CN103376305B - Simulation material extrusion of horizontal screw centrifugal machine proving installation and method of testing - Google Patents

Simulation material extrusion of horizontal screw centrifugal machine proving installation and method of testing Download PDF

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CN103376305B
CN103376305B CN201210148365.XA CN201210148365A CN103376305B CN 103376305 B CN103376305 B CN 103376305B CN 201210148365 A CN201210148365 A CN 201210148365A CN 103376305 B CN103376305 B CN 103376305B
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recipient
pressure
depression bar
case
diameter
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CN103376305A (en
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卢彦俊
钱健航
钱青
周成蹊
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Shanghai Centrifuge Institute Co Ltd
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Shanghai Centrifuge Institute Co Ltd
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Abstract

The type selecting apparatus and method of system of the present invention machinery industry hydro-extractor, simulation material extrusion of horizontal screw centrifugal machine proving installation, in cup-shaped stack shell (8), insert depression bar (9), the bottom of depression bar (9) passes stack shell (8) lower shoe and connects pneumatic shuttle (10); Top configuration recipient (5) of stack shell (8), recipient (5) perisporium offers a large amount of permeable hole (5a), pressure sensor (2) on the upper plate of recipient (5), the pressure signal of pressure transducer (2) is connected to electrical control cubicles (4) by wire, and the control signal of electrical control cubicles (4) is connected to pneumatic shuttle (10) by wire; The outside of recipient (5) is nested with case (1), the under shed edge three of the upper shed edge of stack shell (8) and recipient (5), case (1) is tightly connected mutually, and drain pipe (6) is offered in the lower edge of case (1).Use this device can carry out quantitative test respectively to the time of exerting pressure and pressure, when material is limited, the simulation separating effect of material can be obtained, thus can quantitative type selecting be carried out, greatly reduce the cost of test, have very large economic worth.

Description

Simulation material extrusion of horizontal screw centrifugal machine proving installation and method of testing
Technical field
The type selecting apparatus and method of system of the present invention machinery industry hydro-extractor, be particularly related to design, type selecting crouch spiral shell centrifugal and use a kind of a kind of proving installation and method of testing simulating material extrusion of horizontal screw centrifugal machine.
Background technology
The type selecting need of work of hydro-extractor by the Physical Property Analysis of material and the simulated experiment of little type as foundation, and when major part, often because material supply amount is limited, the separation case of horizontal screw centrifuge can only be simulated qualitatively by small-scale test, but quantitative mask data cannot be obtained, the type selected can not be satisfied the demand very rightly, and its key problem to be exactly solid cannot give quantitatively through the material solid content of hydro-extractor extrusion dehydration.Therefore, this area is badly in need of providing a kind of testing equipment and measuring method to simulate and the quantitative deslagging situation of material after sleeping spiral shell is separated, and obtains data to be convenient to correctly, Exact Design, selects horizontal screw centrifuge.
Summary of the invention
The object of this invention is to provide can a kind of proving installation of quantitative simulation material extrusion of horizontal screw centrifugal machine and method of testing, so as correctly, Exact Design, select horizontal screw centrifuge.
The object of the invention is to be achieved through the following technical solutions:
Simulation material extrusion of horizontal screw centrifugal machine proving installation, is characterized in that:
In the columniform cup-shaped stack shell of opening upwards central openings, insert in T-shaped shape, upper end is disk, and below is the depression bar of montant, and the bottom of depression bar passes stack shell lower shoe and connects the pneumatic shuttle that can make depression bar moves;
The cup-shaped recipient that top configuration Open Side Down the diameter of stack shell is identical, recipient perisporium offers a large amount of permeable hole, pressure sensor on the upper plate of recipient, the pressure signal of pressure transducer is connected to electrical control cubicles by wire, and the control signal of electrical control cubicles is connected to pneumatic shuttle by wire;
The outside of the recipient case that to be nested with that Open Side Down cup-shaped, the internal diameter of case is greater than the external diameter of recipient, have gap each other, the under shed edge three of the upper shed edge of stack shell and recipient, case is tightly connected mutually, and drain pipe is offered in the lower edge of case.
Described pressure transducer is that figure spike inserts recipient upper plate, and the circular hole that diameter is greater than pressure transducer final quotaion is offered in the bottom of described case, and wire is connected to electrical control cubicles by this circular hole, between recipient upper plate and the bottom of case, be encased inside rubber washer;
The inner ring diameter of rubber washer is more than or equal to the diameter of pressure transducer final quotaion;
The race diameter of rubber washer is greater than the diameter of casing base circular hole;
The thickness of rubber washer is more than or equal to the difference in height that case is nested with both opposite faces on recipient.
Further, described case is the up-small and down-big truncated cone-shaped of 2-5 degree.
Further, described drain pipe configures valve.
Further, the height of described recipient is 65 centimetres, and diameter is 80 centimetres, and permeable hole diameter is 1-5 microns.
Further, the under shed edge three of the upper shed edge of described stack shell and recipient, case is tightly connected mutually by bolt group.
Further, the O RunddichtringO of diameter compatible is encased inside under shed edge three's binding face of the upper shed edge of described stack shell and recipient, case; At the O RunddichtringO of described depression bar disk outer rim configuration diameter compatible; At the O RunddichtringO of stack shell central openings place configuration diameter compatible.
Further, described pneumatic shuttle is pressure cylinder or oil cylinder.
As described in the using method of simulation material extrusion of horizontal screw centrifugal machine proving installation, it is characterized in that:
1. depression bar moves down, and depression bar disk is placed the material for test of certain volume amount;
2. depression bar under the promotion of pneumatic shuttle on move;
3. pressure transducer receives the pressure of material, and signal notifies electrical control cubicles by wire, until pressure signal reaches preset value, electrical control cubicles notice pneumatic shuttle stops pressurization;
4. record the time of exerting pressure, measure the volume of tested material and the amount of liquid of extrusion.
According to described method, the situation of material solid content under plant running to certain pressure can be obtained.
As described in the using method of simulation material extrusion of horizontal screw centrifugal machine proving installation, it is characterized in that:
1. depression bar moves down, and depression bar disk is placed the material for test of certain volume amount;
2. depression bar under the promotion of pneumatic shuttle on move;
3. pressure transducer (2) receives the pressure of material, and signal notifies electrical control cubicles by wire, until the time that depression bar moves reaches preset value, electrical control cubicles notice pneumatic shuttle stops pressurization;
4. record the pressure of exerting pressure, measure the volume of tested material and the amount of liquid of extrusion.
According to described method, the situation of material solid content under plant running to certain hour can be obtained.
The main implementation step of apparatus of the present invention and function: depression bar parts are fallen back on the end, open case, recipient, poured into by material.The particle of material is that rigid particles can directly be poured into, needs to increase flocculating agent, pour into after stirring if material is soft particle.
Pneumatic shuttle upwards applies pressure to depression bar parts, and material is pushed into extruded segment, extruding; Moisture in material is discharged from filter opening, the liquid after extruding is collected at drain pipe place, and this liquid can measure the ss(suspension of this liquid under pressure) value; Open upper cover after liquid collection and take out solid, this solid can measure the solid content of solid under this pressure.
The cardinal principle of equipment be by material within the unit interval by obtaining solid content after the extruding of certain pressure intensity, thus simulate the solid content that it is subject to identical pressure in horizontal screw centrifuge, extrude after wherein needing the material adding auxiliary agent sedimentation must add equivalent auxiliary agent, the material that settling property is good can directly extrude.
The invention has the beneficial effects as follows, thus and thus when material is limited, the simulation separating effect of material can be obtained through this device, thus can quantitative type selecting be carried out, greatly reduce the cost of test, have very large economic worth, fill up a great blank of this area.
Accompanying drawing explanation
Fig. 1 is the general structure arrangement plan that the present invention simulates material extrusion of horizontal screw centrifugal machine proving installation;
Fig. 2 is that the present invention opens case, recipient parts, tested material is poured into the structure graph above depression bar disk in stack shell;
Fig. 3 be in Fig. 2 material with depression bar by pneumatic shuttle upwardly, the structure graph moved up;
Fig. 4 is the structure graph that in Fig. 3, depression bar is depressed into top;
Fig. 5 is the structural drawing of casing component of the present invention;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the structural drawing of stack shell parts of the present invention;
Fig. 8 is the sectional view of recipient parts of the present invention;
Fig. 9 is the structural drawing of recipient parts of the present invention;
Figure 10 is the structural drawing of depression bar parts of the present invention.
1 be pressure transducer for case, 1a are circular hole, 2,3 be ring-shaped rubber pad, 4 be electrical control cubicles, 5 be recipient, 5a be permeable hole, 6 is drain pipe, 7 be O RunddichtringO, 8 be stack shell, 9 be depression bar, 10 be pneumatic shuttle.
Embodiment
Below in conjunction with drawings and Examples, the present invention is elaborated.
A kind of simulation material extrusion of horizontal screw centrifugal machine proving installation, in the columniform cup-shaped stack shell 8 of opening upwards central openings, insert in T-shaped shape, upper end is disk, below is the depression bar 9 of montant, and the bottom of depression bar 9 passes stack shell 8 lower shoe and connects the pneumatic shuttle 10 that can make depression bar 9 moves; The cup-shaped recipient 5 that top configuration Open Side Down the diameter of stack shell 8 is identical, recipient 5 perisporium offers a large amount of permeable hole 5a, pressure sensor 2 on the upper plate of recipient 5, the pressure signal of pressure transducer 2 is connected to electrical control cubicles 4 by wire, and the control signal of electrical control cubicles 4 is connected to pneumatic shuttle 10 by wire; The outside of recipient 5 case 1 that to be nested with that Open Side Down cup-shaped, the internal diameter of case 1 is greater than the external diameter of recipient 5, have gap each other, the under shed edge three of the upper shed edge of stack shell 8 and recipient 5, case 1 is tightly connected mutually, and drain pipe 6 is offered in the lower edge of case 1.
Described pressure transducer 2 inserts recipient 5 upper plate in figure spike, the circular hole 1a that diameter is greater than pressure transducer 2 final quotaion is offered in the bottom of described case 1, wire is connected to electrical control cubicles 4 by this circular hole 1a, is encased inside rubber washer 3 between recipient 5 upper plate and the bottom of case 1; The inner ring diameter of rubber washer 3 is more than or equal to the diameter of pressure transducer 2 final quotaion; The race diameter of rubber washer 3 is greater than the diameter of case 1 bottom circular aperture 1a; The thickness of rubber washer 3 is more than or equal to the difference in height that case 1 is nested with both opposite faces on recipient 5.Structure like this is compacter, and content with funtion needs and seal request again.
The truncated cone-shaped that described case 1 is up-small and down-big in 2-5 degree.Generally can be 3 degree, be convenient to collect liquid.
Described drain pipe 6 configures valve, is convenient to control fluid.
The height of described recipient 5 is 65 centimetres, and diameter is 80 centimetres, and permeable hole 5a diameter is 1-5 micron, Commonly Used Size.
The under shed edge three of the upper shed edge of described stack shell 8 and recipient 5, case 1 is tightly connected mutually by bolt group.Sealing is simple, and cost is low, certainly also can be made into a kind of special carrier, easy to use.
The O RunddichtringO 7 of diameter compatible is encased inside under shed edge three's binding face of the upper shed edge of described stack shell 8 and recipient 5, case 1; At the O RunddichtringO 7 of described depression bar 9 disk outer rim configuration diameter compatible; At the O RunddichtringO 7 of stack shell 8 central openings place configuration diameter compatible, aforementioned three kinds of O RunddichtringO 7 diameters are each unequal, favourable sealing after configuration, and test is accurate.
Described pneumatic shuttle 10 is pressure cylinder or oil cylinder, conventional pressure apparatus.
A kind of as described in the using method of simulation material extrusion of horizontal screw centrifugal machine proving installation:
1. depression bar 9 moves down, and depression bar 9 disk is placed the material for test of certain volume amount;
2. depression bar 9 under the promotion of pneumatic shuttle 10 on move;
3. pressure transducer 2 receives the pressure of material, and signal notifies electrical control cubicles 4 by wire, until pressure signal reaches preset value, electrical control cubicles 4 notifies that pneumatic shuttle 10 stops pressurization;
4. record the time of exerting pressure, measure the volume of tested material and the amount of liquid of extrusion.
A kind of as described in the using method of simulation material extrusion of horizontal screw centrifugal machine proving installation:
1. depression bar 9 moves down, and depression bar 9 disk is placed the material for test of certain volume amount;
2. depression bar 9 under the promotion of pneumatic shuttle 10 on move;
3. pressure transducer 2 receives the pressure of material, and signal notifies electrical control cubicles 4 by wire, until the time that depression bar 9 moves reaches preset value, electrical control cubicles 4 notifies that pneumatic shuttle 10 stops pressurization;
4. record the pressure of exerting pressure, measure the volume of tested material and the amount of liquid of extrusion.
Each parts major function:
Casing component mainly prevents the liquid splash after extruding, and the liquid after extruding is conveniently collected in the design at 3 degree of inclination angles simultaneously.
Pressure sensor component mainly gathers the pressure value that pneumatic shuttle provides, and is transferred to electrical control cubicles.
Ring-shaped rubber pad and O RunddichtringO parts mainly ensure the sealing mechanism of whole device.
Electrical control cubicles parts mainly electric automatization, main image data, the start and stop of pneumatic shuttle, display working pressure and working time.
Recipient parts mainly extruded segment.The aperture of 1-5 microns around stack shell to be filter bores be quincuncial pile formula arrangement, in order to discharge material be squeezed after liquid.Generally can be 300ml capacity, is the maximum extruding capacity of this device.
Discharge pipe part is conveniently got liquid and designs.
Stack shell parts are trip segment.
Pneumatic shuttle parts are generators of pressure.

Claims (10)

1. simulate material extrusion of horizontal screw centrifugal machine proving installation, it is characterized in that:
In the columniform cup-shaped stack shell (8) of opening upwards central openings, insert in T-shaped shape, upper end is disk, below is the depression bar (9) of montant, and the bottom of depression bar (9) passes stack shell (8) lower shoe and connects the pneumatic shuttle (10) that can make depression bar (9) moves;
The cup-shaped recipient (5) that top configuration Open Side Down the diameter of stack shell (8) is identical, recipient (5) perisporium offers a large amount of permeable hole (5a), pressure sensor (2) on the upper plate of recipient (5), the pressure signal of pressure transducer (2) is connected to electrical control cubicles (4) by wire, and the control signal of electrical control cubicles (4) is connected to pneumatic shuttle (10) by wire;
The outside of recipient (5) case (1) that to be nested with that Open Side Down cup-shaped, the internal diameter of case (1) is greater than the external diameter of recipient (5), there is gap each other, the under shed edge three of the upper shed edge of stack shell (8) and recipient (5), case (1) is tightly connected mutually, and drain pipe (6) is offered in the lower edge of case (1).
2. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that described pressure transducer (2) inserts recipient (5) upper plate in figure spike, the circular hole (1a) that diameter is greater than pressure transducer (2) final quotaion is offered in the bottom of described case (1), wire is connected to electrical control cubicles (4) by this circular hole (1a), is encased inside rubber washer (3) between recipient (5) upper plate and the bottom of case (1);
The inner ring diameter of rubber washer (3) is more than or equal to the diameter of pressure transducer (2) final quotaion;
The race diameter of rubber washer (3) is greater than the diameter of case (1) bottom circular aperture (1a);
The thickness of rubber washer (3) is more than or equal to the difference in height that case (1) is nested with both opposite faces on recipient (5).
3. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that the sidewall of described case (1) and perpendicular line are 2-5 to spend, form up-small and down-big truncated cone-shaped.
4. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that configuring valve on described drain pipe (6).
5. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that the height of described recipient (5) is 65 centimetres, diameter is 80 centimetres, and permeable hole (5a) diameter is 1-5 microns.
6. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that the upper shed edge of described stack shell (8) and recipient (5), the under shed edge three of case (1) is tightly connected mutually by bolt group.
7. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that being encased inside the O RunddichtringO (7) of diameter compatible under shed edge three's binding face of the upper shed edge of described stack shell (8) and recipient (5), case (1); At the O RunddichtringO (7) of described depression bar (9) disk outer rim configuration diameter compatible; At the O RunddichtringO (7) of stack shell (8) central openings place configuration diameter compatible.
8. simulate material extrusion of horizontal screw centrifugal machine proving installation according to claim 1, it is characterized in that described pneumatic shuttle (10) is for pressure cylinder or oil cylinder.
9. a using method for proving installation as claimed in claim 1, is characterized in that:
1. depression bar (9) moves down, and depression bar (9) disk is placed the material for test of certain volume amount;
2. depression bar (9) under the promotion of pneumatic shuttle (10) on move;
3. pressure transducer (2) receives the pressure of material, and signal notifies electrical control cubicles (4) by wire, until pressure signal reaches preset value, electrical control cubicles (4) notice pneumatic shuttle (10) stops pressurization;
4. record the time of exerting pressure, measure the volume of tested material and the amount of liquid of extrusion.
10. a using method for proving installation as claimed in claim 1, is characterized in that:
1. depression bar (9) moves down, and depression bar (9) disk is placed the material for test of certain volume amount;
2. depression bar (9) under the promotion of pneumatic shuttle (10) on move;
3. pressure transducer (2) receives the pressure of material, signal notifies electrical control cubicles (4) by wire, until the time that depression bar (9) moves reaches preset value, electrical control cubicles (4) notice pneumatic shuttle (10) stops pressurization;
4. record the pressure of exerting pressure, measure the volume of tested material and the amount of liquid of extrusion.
CN201210148365.XA 2012-04-26 2012-04-26 Simulation material extrusion of horizontal screw centrifugal machine proving installation and method of testing Active CN103376305B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002292206A (en) * 2001-03-30 2002-10-08 Temujin Eco System Kk Deaeration apparatus
CN2655988Y (en) * 2003-07-07 2004-11-17 曹济民 Rotary drum type automatic solid-liquid separator
CN102011388A (en) * 2010-11-19 2011-04-13 中交第四航务工程局有限公司 Underwater vacuum preloading centrifugal model testing device and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002292206A (en) * 2001-03-30 2002-10-08 Temujin Eco System Kk Deaeration apparatus
CN2655988Y (en) * 2003-07-07 2004-11-17 曹济民 Rotary drum type automatic solid-liquid separator
CN102011388A (en) * 2010-11-19 2011-04-13 中交第四航务工程局有限公司 Underwater vacuum preloading centrifugal model testing device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
带式压滤机污泥脱水模拟试验研究;张善发 等;《上海环境科学》;19951031;第14卷(第10期);第39-42页 *

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