CN103846159B - A kind of equipment for separating liquid from solid - Google Patents
A kind of equipment for separating liquid from solid Download PDFInfo
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- CN103846159B CN103846159B CN201210502032.2A CN201210502032A CN103846159B CN 103846159 B CN103846159 B CN 103846159B CN 201210502032 A CN201210502032 A CN 201210502032A CN 103846159 B CN103846159 B CN 103846159B
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Abstract
A kind of equipment for separating liquid from solid, it is made up of cylinder and the component including magnetic field, filter element and flow-guiding channel, described cylinder is divided into free settling district, Magneto separate district, isolated by filtration district and underflow liquid outlet area, connects with flow-guiding channel and make solidliquid mixture directed flow between each district。Equipment for separating liquid from solid provided by the invention can realize the high efficiency separation of magnetic retention granule and liquid mixture, and segregation apparatus volume is little, it is easy to implements, it may be achieved long period operation continuously。
Description
Technical field
The present invention relates to a kind of equipment for separating liquid from solid, relate in particular to a kind of device for separating magnetic retention granule and liquid mixture。
Background technology
The metals such as ferrum, cobalt, nickel have soft magnetism, it is possible to by attraction。At the conventional Magneto separate of the industries such as metallurgy, ore dressing, chemical industry, the solidliquid mixture containing magnetic retention granule is carried out solid-liquid separation。
USP7360657 discloses a kind of equipment for separating liquid from solid, in magnetic separator used, one or more upright bar magnet is set, serosity is by entering magnetic separator in the middle part of magnetic separator, magnetic-particle in serosity is attracted by bar magnet, due to gravity along bar magnet slide downward, clear liquid flows out from magnetic separator top exit, and the underflow liquid rich in solid particle is discharged from the outlet at bottom of magnetic separator。
CN101229499A discloses a kind of method separating syrup state bed Fischer Tropsch synthesis heavy distillate from ferrous and ferrum-based catalyst, mixed serum from Fischer-Tropsch synthetic heavy distillat and the ferrum-based catalyst of paste state bed reactor enters the settling tank being arranged in outside paste state bed reactor, and makes mixed serum in settling tank realize the sharp separation of F-T synthesis heavy distillat and ferrum-based catalyst under the effect in magnetic line of force magnetic field downwardly；F-T synthesis heavy distillat after separation is discharged as product after being filtered by the filter being arranged on settling tank top。
The present invention provides a kind of equipment for separating liquid from solid, utilizes sedimentation, Magneto separate, filtration combination method to realize magnetic retention granule and separate with the continuous high-efficient of liquid mixture。
Summary of the invention
It is an object of the invention to provide and a kind of utilize sedimentation, Magneto separate, filtration combination method to realize the equipment for separating liquid from solid that magnetic retention granule separates with the continuous high-efficient of liquid mixture。
A kind of equipment for separating liquid from solid, it is made up of cylinder and the component including magnetic field, filter element and flow-guiding channel, described cylinder is divided into free settling district, Magneto separate district, isolated by filtration district and underflow liquid outlet area, connects with flow-guiding channel and make solidliquid mixture directed flow between each district；Described cylinder includes main cylinder and upper and lower end socket, its middle cylinder body be provided with solidliquid mixture to be separated charging aperture, separate after rich in the dense serum outlet of solid particle with separate the purified liquor outlet of solid, wherein described low head, its tapering should make the underflow liquid can along low head internal face slide downward by self gravitation；Described free settling district is positioned at the middle and lower part of cylinder central authorities, and the charging aperture of solidliquid mixture to be separated has pipeline to connect into free settling district；Described Magneto separate district by the magnetic field being made up of electric magnet and/or permanent magnet being arranged at cylinder body outer wall middle and upper part in barrel in one's power region formed, when employing an electromagnet, energising makes the magnetic field of field regions produce, power-off makes the magnetic field of field regions disappear, when using permanent magnet, permanent magnet near and leave barrel and make field regions keep magnetic field alternately strong, weak；Described isolated by filtration district is positioned at the middle and upper part of cylinder, and isolated by filtration is provided with filter in district；Described underflow liquid outlet area is positioned at cylinder bottom；Described flow-guiding channel includes the flow-guiding channel I making serosity flow to field regions from free settling district, make the flow-guiding channel II that serosity flows to isolated by filtration district from field region, make solid particle that isolated by filtration gets off from isolated by filtration district to the flow-guiding channel III of underflow liquid outlet area flowing, and make solid particle that magnetic field separation district separates from magnetic field separation district to the flow-guiding channel IV of underflow liquid outlet area flowing。
The equipment for separating liquid from solid that the present invention proposes has the advantage that
(1) utilizing large granular catalyst free settling, with magnetic separation magnetic retention granule, separation efficiency is high, it is filtered to remove a small amount of fine particle solid, the feature of backwash interval length, adopts sedimentation/Magneto separate/filtration combination separator, it is possible to achieve the high efficiency separation of magnetic retention granule and liquid mixture。
(2) separator volume is little, and Filter Back Washing interval is long。
(3) easy to implement, it may be achieved long period operation continuously。
Accompanying drawing explanation
Fig. 1 is the structure diagram of a kind of mode realizing equipment for separating liquid from solid provided by the invention。
Detailed description of the invention
A kind of equipment for separating liquid from solid provided by the invention, it is made up of cylinder and the component including magnetic field, filter element and flow-guiding channel, described cylinder is divided into free settling district, Magneto separate district, isolated by filtration district and underflow liquid outlet area, connects with flow-guiding channel and make solidliquid mixture directed flow between each district；Described cylinder includes main cylinder and upper and lower end socket, its middle cylinder body be provided with solidliquid mixture to be separated charging aperture, separate after rich in the dense serum outlet of solid particle with separate the purified liquor outlet of solid, wherein described low head, its tapering should make the underflow liquid can along low head internal face slide downward by self gravitation；Described free settling district is positioned at the middle and lower part of cylinder central authorities, and the charging aperture of solidliquid mixture to be separated has pipeline to connect into free settling district；Described Magneto separate district by the magnetic field being made up of electric magnet and/or permanent magnet being arranged at cylinder body outer wall middle and upper part in barrel in one's power region formed, when employing an electromagnet, energising makes the magnetic field of field regions produce, power-off makes the magnetic field of field regions disappear, when using permanent magnet, permanent magnet near and leave barrel and make field regions keep magnetic field alternately strong, weak；Described isolated by filtration district is positioned at the middle and upper part of cylinder, and isolated by filtration is provided with filter in district；Described underflow liquid outlet area is positioned at cylinder bottom；Described flow-guiding channel includes the flow-guiding channel I making serosity flow to field regions from free settling district, make the flow-guiding channel II that serosity flows to isolated by filtration district from field region, make solid particle that isolated by filtration gets off from isolated by filtration district to the flow-guiding channel III of underflow liquid outlet area flowing, and make solid particle that magnetic field separation district separates from magnetic field separation district to the flow-guiding channel IV of underflow liquid outlet area flowing。
In equipment for separating liquid from solid provided by the invention, described closed cylinder includes cylinder, upper cover and taper low head, closed cylinder is provided with solidliquid mixture (serosity) import to be separated, rich in the dense serum outlet of solid particle and liquid (clear liquid) outlet separating solid after separation。Described cylinder is cylinder, cylindroid, square cylinder, rectangular cylinder, conically shaped or other special-shaped cylinder, and the material selection of cylinder is to the without hindrance magnetic permeable material in magnetic field, such as rustless steel, aluminum, glass, resin etc.。Barrel upper seal head is arc, it is also possible to be tabular。The taper low head of cylinder can be conical, it is also possible to the side's of being taper, and the tapering of low head should make underflow liquid by self gravitation along low head internal face slide downward。
Equipment for separating liquid from solid provided by the invention, arranges at least one Magnet at cylinder body outer wall, it is preferable that multiple Magnet。Magnet is along cylinder vertical direction (axially) at least one (one layer), it is preferable that more than two (two layers)。Magnet along cylinder horizontal direction (radially) at least one, it is preferable that multiple。Described Magnet is electric magnet and/or permanent magnet, and magnet surface magnetic induction is 50-10000 Gauss, it is preferable that 1500-5000 Gauss。When using electric magnet, two-layer up and down or multilamellar electric magnet alternate energisation outside cylinder produce magnetic field and the cancellation magnetic field that has a power failure。When using permanent magnet, two-layer up and down or multilamellar permanent magnet outside cylinder replace near cylinder wall (making the magnetic field that inner barrel maintenance is stronger) and leave cylinder wall (making inner barrel field weakening)。
Equipment for separating liquid from solid provided by the invention, is internally provided with filter assemblies at closed cylinder, and filter element used is the combination of one or more in the sintered chimney filter of powdered-metal, the sintered chimney filter of metal gauze, ceramic membrane, metal gauze, filter cloth。Described filter, couples and has purified liquor outlet and counter-flushing liquid entrance。
Equipment for separating liquid from solid provided by the invention, a kind of structural shape of its realization is as shown in Figure 1。
In FIG, including closed cylinder (1), upper cover (6), low head (5), is provided with electric magnet (2) in the outside of closed cylinder (1), and electric magnet (2) is positioned at the middle and upper part of closed cylinder (1), the electric magnet (2) arranged along closed cylinder (1) circumferencial direction is two-layer, one layer is one group, the electric magnet alternate energisation of adjoining course and power failure, to produce magnetic field and to cancel magnetic field；Being provided with slurry feed pipe (3) in the bottom of closed cylinder (1) makes solidliquid mixture enter the free settling district A in closed cylinder, free settling district A is connected with magnetic separation district B and C by the gap of flow-guiding channel (11) bottom, magnetic separation district B and C is connected with isolated by filtration district D by flow-guiding channel (11), is connected with the underflow liquid outlet area G being made up of the inwall inclined-plane of cylinder low head (5) by flow-guiding channel (13) at the bottom F of magnetic separation district B and C；It is isolated by filtration district D on the top of closed cylinder (1), inside set filter assemblies (9), isolated by filtration district D is provided with purified liquor outlet (8) and Backwash pipeline (7), being connected with underflow liquid outlet area G by flow-guiding channel (12) at the bottom E of isolated by filtration district D, underflow liquid outlet area G is provided with dense serum outlet (4)。
Equipment for separating liquid from solid provided by the invention, can be used for the solidliquid mixture containing ferromagnetism solid particle is carried out solid-liquid separation operation。For Fig. 1, solidliquid mixture (raw slurry) containing ferromagnetism solid particle enters equipment for separating liquid from solid from slurry feed pipe (3), in a-quadrant (free settling district), serosity is sluggish flow upwards, solid particle in serosity settles by gravity, and solid particle that in serosity, granule is bigger is separated to get off。The solidliquid mixture risen from A district enters B, C district (magnetic separation district) from the gap of flow-guiding channel (11) bottom, flows up along flow-guiding channel (11)。Now, upper strata electric magnet no power, lower floor's electric magnet energising produces magnetic field, magnetic retention granule in the solidliquid mixture that flow-guiding channel (11) flows up is attracted to B district, dilute slurry after cutting out partial solid particle continues to flow up along flow-guiding channel (11), behind C district, enter D district (isolated by filtration district)。After a certain amount of solid particle is adsorbed in B district, upper strata electric magnet energising produces magnetic field, magnetic retention granule in the material moved up is attracted to C district, and simultaneously, lower floor's electric magnet has a power failure, magnetic field, B district disappears, then the solid particle of B district absorption settles downwards by gravity, enter F district, and continue to move down along flow-guiding channel (13), then slide along the inwall inclined-plane of cylinder low head (5) to G district (underflow liquid outlet area)。After the magnetic-particle of B district absorption settles into downwards F district, lower floor's electric magnet energising, upper strata electric magnet has a power failure, and is attracted to B district after the magnetic-particle sedimentation of C district absorption。The dilute slurry entering D district enters filter assemblies (9), and from outside to inside through filter tube, the filtered medium of solid particle intercepts, and is attached to the outside of filter tube, and the clear liquid after filtration flows out equipment for separating liquid from solid from purified liquor outlet (8)。When the pressure drop of filter assemblies (9) reaches to a certain degree, introduce a certain amount of counter-flushing liquid from Backwash pipeline (7), filter assemblies (9) is carried out backwash, make the solid filter cake of filter assemblies (9) outside attachment come off。The filter cake come off forms underflow liquid in E district, inclined-plane slide downward along flow-guiding channel (10), enter flow-guiding channel (12), then enter G district along flow-guiding channel (12), together with the underflow liquid separated with electric magnet, discharge equipment for separating liquid from solid from dense serum outlet (4)。
The invention will be further described by the examples below, but content not thereby limiting the invention。
Embodiment 1～3
The structure of the equipment for separating liquid from solid used by the present embodiment is as shown in Figure 1, the cylinder internal diameter of equipment for separating liquid from solid 0.6 meter, adopt upper and lower two layers of high-speed double electromagnet Magneto separate, electric magnet diameter 0.15 meter, electric magnet surface induction intensity is 2000 Gausses, filter and adopt sintered metal filtration pipe, 17 microns of filter element aperture。Solidliquid mixture used is Raney nickel and the diesel oil of alumina load, catalyst nickel content 30%(mass), mean diameter 60 microns, in raw slurry, concentration of solid particles is 15%(mass)。First 80 seconds conduction time of electric magnet from the bottom to top, power-off time 10 seconds, energising, power-off hocket；Second 10 seconds conduction time of electric magnet from the bottom to top, power-off time 80 seconds, energising, power-off hocket；The operator scheme of upper and lower two electric magnet is: during lower floor's electric magnet energising, and upper strata power-off, during lower floor's power-off, upper strata is energized。Serosity treating capacity and after separating in diesel oil solid content in Table 1。
Table 1
Claims (10)
1. an equipment for separating liquid from solid, it is made up of cylinder and the component including magnetic field, filter element and flow-guiding channel, described cylinder is divided into free settling district, Magneto separate district, isolated by filtration district and underflow liquid outlet area, connects with flow-guiding channel and make solidliquid mixture directed flow between each district；Described cylinder includes main cylinder and upper and lower end socket, its middle cylinder body be provided with solidliquid mixture to be separated charging aperture, separate after rich in the dense serum outlet of solid particle with separate the purified liquor outlet of solid, wherein said low head, its tapering should make underflow liquid by self gravitation can along low head internal face slide downward；Described free settling district is positioned at the middle and lower part of cylinder central authorities, and the charging aperture of solidliquid mixture to be separated is connected into free settling district by pipeline；Described Magneto separate district by the magnetic field being made up of electric magnet and/or permanent magnet being arranged at cylinder body outer wall middle and upper part in barrel in one's power region formed, when employing an electromagnet, energising makes the magnetic field in Magneto separate district produce, power-off makes the magnetic field in Magneto separate district disappear, when using permanent magnet, permanent magnet near and leave barrel and make Magneto separate district keep magnetic field alternately strong, weak；Described isolated by filtration district is positioned at the middle and upper part of cylinder, and isolated by filtration is provided with filter in district；Described underflow liquid outlet area is positioned at cylinder bottom；Described flow-guiding channel includes the flow-guiding channel I making serosity flow to Magneto separate district from free settling district, make the flow-guiding channel II that serosity flows to isolated by filtration district from Magneto separate district, make solid particle that isolated by filtration gets off from isolated by filtration district to the flow-guiding channel III of underflow liquid outlet area flowing, and make solid particle that Magneto separate district separates from Magneto separate district to the flow-guiding channel IV of underflow liquid outlet area flowing。
2. the device described in claim 1, wherein said main cylinder is cylinder, cylindroid, rectangular cylinder or conically shaped。
3. the device described in claim 1, wherein said cylinder, its material selection is to the without hindrance magnetic permeable material in magnetic field。
4. the device described in claim 1, wherein, in described Magneto separate district, magnet surface magnetic induction is 50～10000 Gausses。
5. the device described in claim 4, wherein, described magnet surface magnetic induction is 1500～5000 Gausses。
6. the device described in claim 1, described magnetic field is at least two-layer。
7. the device described in claim 1, wherein said filter, its filter element is the combination of one or more in the sintered chimney filter of powdered-metal, the sintered chimney filter of metal gauze, ceramic membrane, metal gauze, filter cloth。
8. the device described in claim 1, wherein said filter, couple and have purified liquor outlet and counter-flushing liquid entrance。
9. the device described in claim 1, wherein, including the cylinder (1) closed, upper cover (6), low head (5), the outside of the cylinder (1) Feng Biing is provided with electric magnet (2), electric magnet (2) is positioned at the middle and upper part of the cylinder (1) of closing, the electric magnet (2) arranged along cylinder (1) circumferencial direction closed is upper and lower two-layer, one layer is one group, the respectively upper strata (C) in the lower floor (B) in Magneto separate district and Magneto separate district, the electric magnet alternate energisation on the lower floor (B) in Magneto separate district and the upper strata (C) in Magneto separate district and power failure, to produce magnetic field and to cancel magnetic field；Being provided with slurry feed pipe (3) in the bottom of the cylinder (1) Feng Biing makes solidliquid mixture enter the free settling district (A) in the cylinder (1) closed, free settling district (A) is connected with Magneto separate district by the gap of flow-guiding channel I (11) bottom, Magneto separate district is connected by flow-guiding channel II (10) and isolated by filtration district (D), and the lower area (F) in Magneto separate district is connected with underflow liquid outlet area (G) being made up of the inwall inclined-plane of cylinder low head (5) by flow-guiding channel IV (13)；It is isolated by filtration district (D) on the top of the cylinder (1) Feng Biing, inside set filter assemblies (9), isolated by filtration district (D) is provided with purified liquor outlet (8) and Backwash pipeline (7), lower area (E) at isolated by filtration district (D) is connected with underflow liquid outlet area (G) by flow-guiding channel III (12), and underflow liquid outlet area (G) is provided with dense serum outlet (4)。
10. the method that the solidliquid mixture containing ferromagnetism solid particle is carried out solid-liquid separation operation by the device utilized described in claim 9, it is characterized by that the solidliquid mixture containing ferromagnetism solid particle enters equipment for separating liquid from solid from slurry feed pipe (3), at free settling district (A) serosity upwards sluggish flow, solid particle in serosity settles by gravity, solid particle that in serosity, granule is bigger is separated to get off, the solidliquid mixture risen from free settling district (A) enters Magneto separate district from the gap of flow-guiding channel I (11) bottom, flow up along flow-guiding channel I (11)；Now, the electric magnet no power on the upper strata (C) in Magneto separate district, the electric magnet energising of the lower floor (B) in Magneto separate district produces magnetic field, magnetic retention granule along flow-guiding channel I (11) solidliquid mixture flowed up is attracted to the lower floor (B) in Magneto separate district, dilute slurry after cutting out partial solid particle continues to flow up along flow-guiding channel I (11), behind the upper strata (C) in Magneto separate district, enter isolated by filtration district (D)；After a certain amount of solid particle is adsorbed in the lower floor (B) in Magneto separate district, the electric magnet energising on the upper strata (C) in Magneto separate district produces magnetic field, magnetic retention granule in the material moved up is attracted to the upper strata (C) in Magneto separate district, and simultaneously, the electric magnet of the lower floor (B) in Magneto separate district has a power failure, the magnetic field of the lower floor (B) in Magneto separate district disappears, the solid particle that then lower floor (B) in Magneto separate district adsorbs settles downwards by gravity, enter the lower area (F) in Magneto separate district, and continue to move down along flow-guiding channel IV (13), then slide along the inwall inclined-plane of cylinder low head (5) to underflow liquid outlet area (G)；After the magnetic-particle adsorbed when the lower floor (B) in Magneto separate district settles into downwards the lower area (F) in Magneto separate district, the electric magnet energising of the lower floor (B) in Magneto separate district, the electric magnet on the upper strata (C) in Magneto separate district has a power failure, and is attracted to the lower floor (B) in Magneto separate district after the magnetic-particle sedimentation that the upper strata (C) in Magneto separate district is adsorbed；The dilute slurry entering isolated by filtration district (D) enters filter assemblies (9), from outside to inside through filter tube, the filtered medium of solid particle intercepts, and is attached to the outside of filter tube, and the clear liquid after filtration flows out equipment for separating liquid from solid from purified liquor outlet (8)；When the pressure drop of filter assemblies (9) reaches to a certain degree, a certain amount of counter-flushing liquid is introduced from Backwash pipeline (7), filter assemblies (9) is carried out backwash, makes the solid filter cake of filter assemblies (9) outside attachment come off；The filter cake come off forms underflow liquid at the lower area (E) of isolated by filtration district (D), inclined-plane slide downward along flow-guiding channel II (10), enter flow-guiding channel III (12), then enter underflow liquid outlet area (G) along flow-guiding channel III (12), together with the underflow liquid separated with electric magnet, discharge equipment for separating liquid from solid from dense serum outlet (4)。
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| CN201210502032.2A CN103846159B (en) | 2012-11-30 | 2012-11-30 | A kind of equipment for separating liquid from solid |
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| CN201210502032.2A CN103846159B (en) | 2012-11-30 | 2012-11-30 | A kind of equipment for separating liquid from solid |
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| CN103846159B true CN103846159B (en) | 2016-06-22 |
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| CN104386872B (en) * | 2014-12-02 | 2016-02-10 | 河海大学 | A kind of apparatus and method for separating of nano magnetic material |
| CN106754345A (en) * | 2016-12-02 | 2017-05-31 | 上海默里科基因科技有限公司 | Nucleic acid-extracting apparatus |
| CN107551615A (en) * | 2017-09-06 | 2018-01-09 | 东北石油大学 | Lamination cycle dynamic back-flushing filtering device and back-flushing method |
| CN107497145A (en) * | 2017-09-22 | 2017-12-22 | 黄经卫 | A kind of equipment for separating liquid from solid |
| CN112439542B (en) * | 2019-09-03 | 2023-03-03 | 国家能源投资集团有限责任公司 | High-temperature liquid-solid magnetic separation method |
| CN116441045B (en) * | 2023-06-15 | 2023-10-24 | 山西首钢国际工程技术有限公司 | Vertical iron powder purifying machine for metallurgical process |
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