CN104632568A - Method and device for continuously delivering oil sludge of single-cylinder bidirectional piston pump - Google Patents
Method and device for continuously delivering oil sludge of single-cylinder bidirectional piston pump Download PDFInfo
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- CN104632568A CN104632568A CN201310551941.XA CN201310551941A CN104632568A CN 104632568 A CN104632568 A CN 104632568A CN 201310551941 A CN201310551941 A CN 201310551941A CN 104632568 A CN104632568 A CN 104632568A
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Abstract
The invention provides a method and device for continuously delivering oil sludge of a single-cylinder bidirectional piston pump and belongs to the technical field of energy environment protection. Solid and semi-solid oil-containing sludge is a pseudoplastic fluid, the nature of a Newtonian mechanical fluid is shown under the double-helix effect, certain pressure is formed before the sludge is fed into the piston pump, and a continuous material is provided for delivery of a piston. In the reciprocating motion process of the piston, and flowing of the oil-containing sludge towards the outlet direction is controlled through matching of switching of a hydraulic brake valve. Outlet pressure can be up to 220 MPa. The delivery amount of the oil sludge is calculated according to the stroke of the piston and the diameter of a piston cylinder. The method and the device for continuously delivering the oil sludge of the single-cylinder bidirectional piston pump have the advantages that continuous high-pressure delivery of the oil-containing sludge on a small-sized device is achieved.
Description
Technical field
The present invention relates to a kind of single cylinder type bidirectional piston pump greasy filth continus convergence method and device, belong to energy environment protection technical field.
Background technique
The sewage treatment mud of field and Petrochemical Enterprises is after mechanical dehydration, oil content is generally about 80%, usually in solid-state or half flowing state, belong to the heterogeneous dispersion of heterogeneous body, primarily of compositions such as crude oil, moisture, clay mineral, biological organic matter and chemical additivess, general oil content is at about 2-15%, and high reached at 20%-30%, major part can think pseudoplastic fluid.This type of greasy filth is the main hazardous waste of petroleum and petrochemical industry, and comparatively promising processing mode is oily sludge pyrolysis and cryogenic high pressure carbonization technology at present, and these two kinds of technology all require feed system that is continuous, airtight, relatively high force (1MPa).At present, for carrying the option means of mud to mainly contain screw pump, Pulp pump, reciprocating pump etc., its main feature is as shown in table 1.
Table 1 can carry pump and the major character thereof of greasy filth
Wherein, screw pump is measurable, but the impurity of hard is comparatively large to its damage, and too the material feeding of thickness is more difficult; Pulp pump is beyond count, and when pressure surge, feed rate is also restive, is not suitable for greasy filth; Helical feed mode is comparatively applicable to mass transport that is solid-state, dispersion, carries under being generally used for normal pressure; Single cylinder piston pump is measurable, discharge pressure is also higher, but it can not continus convergence.Multi-cylinder piston pump can simulate continus convergence, and pressure is also enough, and its quantity delivered is generally 1-10t/h.
Oily sludge pyrolysis and cryogenic high pressure carbonization technology are in the simulation of indoor lab scale or pilot plant test stage at home, the demand of charging is generally to the scope of 5-50kg/h, require that pressure is at 5-10MPa, above-mentioned several optional that conveying mechanism is all difficult to meet the demands, be badly in need of a kind of volume to be applicable to, control flexibly, the oily sludge feedway of accurate quantitative analysis.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of single cylinder type bidirectional piston pump greasy filth continus convergence method and device, can realize following functions: the continus convergence 1) realizing the sticky materials such as mud, controlled delivery amount can at 5-50kg/h; 2) the accurate quantitative analysis conveying of the sticky materials such as mud can be realized; 3) discharge pressure can reach more than 20MPa; 4) mode of movement that horizontal bar is two-way makes the volume of Whole Equipment reduce (contrast multi-cylinder piston pump), meets common laboratory installation requirement.
A kind of single cylinder type bidirectional piston pump greasy filth continus convergence method, containing following steps; Solid-state, semi-solid oily sludge can form the Newtonian mechanics fluid of certain degree of compaction under double helix effect, can discharge most of air before entering reciprocating pump; In the process of reciprocating motion of the pistons, coordinate the switch of hydraulic sluice valve, control oily sludge and flow to Way out; Outlet pressure reaches as high as 20MPa; The quantity delivered of greasy filth is calculated by the stroke of piston and the diameter of piston cylinder.
Also containing following steps;
The compacting of step 1, 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 form certain pressure before charging gate valve.Double helix is designed by the symmetrical reverse of spiral plate, can realize greasy filth and carry to both direction simultaneously.
The matching step of step 2, piston movement and gate valve switch;
Piston initial position is the left end of oil hydraulic cylinder 1, now the second gate valve 3, the 4th gate valve 8 are opened, first gate valve 2, the 3rd gate valve 5 are closed, in the process that piston advances to the right, left can form certain vacuum, coordinate double-helical pressure to be sucked by oily sludge, right-hand member air enters pipeline from the second gate valve 3; Stop when piston marches to right-hand member, now the second gate valve 3, the 4th gate valve 8 are closed, and the first gate valve 2, the 3rd gate valve 5 are opened (opening and closing of valve needs about 1S), and valve converts back piston to left movement, now material enters pipeline from the first gate valve 2, and pressure can reach 20MPa; After piston marches to left end, repeat a upper process, continuous, airtight, the high pressure conveying of greasy filth can be realized.
The rate-determining steps of step 3, piston stroke;
Between oil hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4, have the first electromagnetic monitoring point 9, magnetic contact 10 and the second electromagnetic monitoring point 11, when magnetic get an electric shock 10 by time can send piston break-in and valve switch signal as control system.The total stroke length of regulating piston is carried out, by the gait of march of the speed regulating piston of hydraulic rod by the position of the first electromagnetic monitoring point 9, second electromagnetic monitoring point 11 two.
A kind of single cylinder type bidirectional piston pump greasy filth continuous conveying device, the piston rod the other end of oil hydraulic cylinder 1 connects the piston of horizontal bar type bidirectional piston pump 4 inner chamber, one end of horizontal bar type bidirectional piston pump 4 connects the 4th gate valve 8, first gate valve 2 respectively, the other end of horizontal bar type bidirectional piston pump 4 connects the 3rd gate valve 5, second gate valve 3 respectively, first gate valve 2, second gate valve 3 is connecting line respectively, 3rd gate valve 5, the 4th gate valve 8 connect mud hopper 7 respectively, the housing connecting motor of mud hopper 7, motor connects two-way precompressed double helix 6; The first electromagnetic monitoring point 9, magnetic contact 10 and the second electromagnetic monitoring point 11 is had between oil hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4.
Advantage of the present invention is:
1) piston two-way all can conveying material, the volume problems of too avoiding multi-cylinder to design.By reducing cylinder body quantity mode compression integral volume, Whole Equipment height is less than 1.5m, meets common laboratory requirement.
2) the accurate quantitative analysis conveying of the sticky materials such as mud can be realized.External electromagnetic monitoring point is utilized can accurately to measure piston stroke and speed, conveying amount is calculated by the sectional area of cylinder and speed to the right in the process that piston is advanced, realize the continus convergence of the sticky materials such as mud in piston process left, controlled delivery amount can at 5-50kg/h;
3) discharge pressure can reach 20MPa, meets the needs of oily sludge pyrolysis and cryogenic high pressure carbonization technical research.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is oily sludge continuous feed heattreated chamber inner evaluation manufacturing equipment schematic diagram of the present invention;
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1, suppose that piston initial position is the left end of oil hydraulic cylinder 1, now the second gate valve 3, the 4th gate valve 8 are opened, first gate valve 2, the 3rd gate valve 5 are closed, in the process that piston advances to the right, left can form certain vacuum, coordinate double-helical pressure to be sucked by oily sludge, right-hand member air enters pipeline from the second gate valve 3; Stop when piston marches to right-hand member, now the second gate valve 3, the 4th gate valve 8 are closed, and the first gate valve 2, the 3rd gate valve 5 are opened (opening and closing of valve needs about 1S), and valve converts back piston to left movement, now material enters pipeline from the first gate valve 2, and pressure can reach 20MPa; After piston marches to left end, repeat a upper process, continuous, airtight, the high pressure conveying of greasy filth can be realized.
The piston rod the other end of oil hydraulic cylinder 1 connects the piston of horizontal bar type bidirectional piston pump 4 inner chamber, one end of horizontal bar type bidirectional piston pump 4 connects the 4th gate valve 8, first gate valve 2 respectively, the other end of horizontal bar type bidirectional piston pump 4 connects the 3rd gate valve 5, second gate valve 3 respectively, first gate valve 2, second gate valve 3 is connecting line respectively
3rd gate valve 5, the 4th gate valve 8 connect mud hopper 7 respectively, the housing connecting motor of mud hopper 7, and motor connects two-way precompressed double helix 6;
The first electromagnetic monitoring point 9, magnetic contact 10 and the second electromagnetic monitoring point 11 is had between oil hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4.
A kind of single cylinder type bidirectional piston pump greasy filth continus convergence method, containing following steps; Solid-state, semi-solid oily sludge can form the Newtonian mechanics fluid of certain degree of compaction under double helix effect, can discharge most of air before entering reciprocating pump; In the process of reciprocating motion of the pistons, coordinate the switch of hydraulic sluice valve, control oily sludge and flow to Way out; Outlet pressure reaches as high as 20MPa; The quantity delivered of greasy filth is calculated by the stroke of piston and the diameter of piston cylinder.
Also containing following steps;
The compacting of step 1, 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 form certain pressure before charging gate valve.Double helix is designed by the symmetrical reverse of spiral plate, can realize greasy filth and carry to both direction simultaneously.
The matching step of step 2, piston movement and gate valve switch;
Suppose that piston initial position is the left end of oil hydraulic cylinder 1, now the second gate valve 3, the 4th gate valve 8 are opened, first gate valve 2, the 3rd gate valve 5 are closed, in the process that piston advances to the right, left can form certain vacuum, coordinate double-helical pressure to be sucked by oily sludge, right-hand member air enters pipeline from the second gate valve 3; Stop when piston marches to right-hand member, now the second gate valve 3, the 4th gate valve 8 are closed, and the first gate valve 2, the 3rd gate valve 5 are opened (opening and closing of valve needs about 1S), and valve converts back piston to left movement, now material enters pipeline from the first gate valve 2, and pressure can reach 20MPa; After piston marches to left end, repeat a upper process, continuous, airtight, the high pressure conveying of greasy filth can be realized.
The rate-determining steps of step 3, piston stroke;
As shown in Figure 1, between oil hydraulic cylinder 1 and horizontal bar type bidirectional piston pump 4, have the first electromagnetic monitoring point 9, magnetic contact 10 and the second electromagnetic monitoring point 11, when magnetic get an electric shock 10 by time can send piston break-in and valve switch signal as control system.The total stroke length of regulating piston is carried out, by the gait of march of the speed regulating piston of hydraulic rod by the position of the first electromagnetic monitoring point 9, second electromagnetic monitoring point 11 two.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (3)
1. a single cylinder type bidirectional piston pump greasy filth continus convergence method, is characterized in that containing following steps; Solid-state, semi-solid oily sludge can form the Newtonian mechanics fluid of certain degree of compaction under double helix effect, forms certain pressure before entering reciprocating pump; In the process of reciprocating motion of the pistons, coordinate the switch of hydraulic sluice valve, control oily sludge and flow to Way out; Outlet pressure reaches as high as 20MPa; The quantity delivered of greasy filth is calculated by the stroke of piston and the diameter of piston cylinder.
2. a kind of single cylinder type bidirectional piston pump greasy filth continus convergence method according to claim 1, is characterized in that also containing following steps;
The compacting of step 1, 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 form certain pressure before charging gate valve; Double helix is designed by the symmetrical reverse of spiral plate, realizes greasy filth and carries to both direction simultaneously;
The matching step of step 2, piston movement and gate valve switch;
Piston initial position is the left end of oil hydraulic cylinder, now the second gate valve, the 4th gate valve are opened, and the first gate valve, the 3rd gate valve are closed, and in the process that piston advances to the right, left can form certain vacuum, coordinate double-helical pressure to be sucked by oily sludge, 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 gate valve are closed, and the first gate valve, the 3rd gate valve are opened (opening and closing of valve needs about 1S), and valve converts back piston to left movement, now material enters pipeline from the first gate valve, and pressure can reach 20MPa; After piston marches to left end, repeat a upper process, realize continuous, airtight, the high pressure conveying of greasy filth;
The rate-determining steps of step 3, piston stroke;
Between oil hydraulic cylinder and horizontal bar type bidirectional piston pump, have the first electromagnetic monitoring point, magnetic contact and the second electromagnetic monitoring point, when magnetic get an electric shock by time can send piston break-in and valve switch signal as control system; The total stroke length of regulating piston is carried out, by the gait of march of the speed regulating piston of hydraulic rod by the position of the first electromagnetic monitoring point, the second electromagnetic monitoring point two.
3. a single cylinder type bidirectional piston pump greasy filth continuous conveying device, it is characterized in that the piston rod the other end of oil hydraulic cylinder connects the piston of horizontal bar type bidirectional piston pump inner chamber, one end of horizontal bar type bidirectional piston pump connects the 4th gate valve, the first gate valve respectively, 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 connecting line respectively, 3rd gate valve, the 4th gate valve connect mud hopper respectively, the housing connecting motor of mud hopper, motor connects two-way precompressed double helix; The first electromagnetic monitoring point, magnetic contact and the second electromagnetic monitoring point is had between oil hydraulic cylinder and horizontal bar type bidirectional piston pump.
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| CN201310551941.XA CN104632568B (en) | 2013-11-08 | 2013-11-08 | A kind of single cylinder continuous carrying method of type bidirectional piston pump greasy filth and device |
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| CN201310551941.XA CN104632568B (en) | 2013-11-08 | 2013-11-08 | A kind of single cylinder continuous carrying method of type bidirectional piston pump greasy filth and device |
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| CN104632568A true CN104632568A (en) | 2015-05-20 |
| CN104632568B CN104632568B (en) | 2017-01-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN109437497A (en) * | 2017-08-30 | 2019-03-08 | 广州汽车集团股份有限公司 | A kind of greasy filth recycling 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 |
| CN112928892A (en) * | 2021-02-05 | 2021-06-08 | 中国农业大学 | Double-helix electromagnetic pump for driving conductive fluid to accelerate |
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| CN203627118U (en) * | 2013-11-08 | 2014-06-04 | 中国石油天然气股份有限公司 | Continuous oily sludge conveying device for single-cylinder bidirectional piston pump |
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| US3716304A (en) * | 1970-09-14 | 1973-02-13 | Mancole Co Ltd | Concrete pump |
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Cited By (6)
| 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 |
| CN109437497A (en) * | 2017-08-30 | 2019-03-08 | 广州汽车集团股份有限公司 | A kind of greasy filth recycling equipment |
| 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 |
| CN112928892A (en) * | 2021-02-05 | 2021-06-08 | 中国农业大学 | Double-helix electromagnetic pump for driving conductive fluid to accelerate |
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