CN110393963B - Indoor row suction filtration device - Google Patents
Indoor row suction filtration device Download PDFInfo
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- CN110393963B CN110393963B CN201910634937.7A CN201910634937A CN110393963B CN 110393963 B CN110393963 B CN 110393963B CN 201910634937 A CN201910634937 A CN 201910634937A CN 110393963 B CN110393963 B CN 110393963B
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- 238000000967 suction filtration Methods 0.000 title claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims description 42
- 238000000926 separation method Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 2
- 238000005086 pumping Methods 0.000 abstract description 8
- 229930002875 chlorophyll Natural products 0.000 description 6
- 235000019804 chlorophyll Nutrition 0.000 description 6
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003828 vacuum filtration Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000011097 chromatography purification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/10—Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to an indoor combined drainage and suction filtration device which comprises an operation table, a vacuum pumping mechanism and a circulating filtration mechanism, wherein the operation table is provided with the circulating filtration mechanism and the vacuum pumping mechanism, and one side of a unit filtration mechanism of the circulating filtration mechanism is communicated with the vacuum pumping mechanism through a suction filtration pipe provided with a three-way valve. The invention adopts the combination of the suction filtration unit row, the unit suction filtration mechanism and the circulating filtration, is simple and stable, is easy to realize, and adjusts the opening and closing of the water pump, the vacuum pump and the control valve according to the number of samples, thereby realizing the circulating work of suction filtration, water supply and liquid collection, realizing the three-stage circulating suction filtration of a plurality of identical samples and greatly improving the suction filtration efficiency.
Description
Technical Field
The invention belongs to the technical field of chemical analysis experimental equipment, relates to a suction filtration device technology, and in particular relates to an indoor combined drainage suction filtration device.
Background
Laboratory suction filtration devices utilize filters or the like to block large particulate matter and pass matter smaller than the pores. The vacuum filter uses a vacuum pump to provide pressure difference, so that the sample is forced to flow along the surface of the filter membrane at a certain flow rate, material molecules with a molecular weight larger than the molecular weight cut-off of the membrane are not transmitted through the membrane, the material or molecules with a molecular weight smaller than the molecular weight cut-off of the membrane are transmitted through the membrane, and the filtered sample can be directly stored in a sterile collecting bottle. The membrane separation process is a pure physical process, has the characteristics of no phase change, energy conservation, small volume, split and the like, and is widely used in laboratories, including assays of food, medicine, beverage and drinking water industries, suspended solid determination in the field of environmental protection, and sample pretreatment of microanalysis or purification of solvents. The traditional vacuum filtration device used at present is mostly an independent vacuum filtration system, and consists of a vacuum pump, a liquid collecting bottle, a filter funnel and a connecting hose, wherein the one filtration device can only filter one sample, and the filtration time is long and the filtration efficiency is low.
At present, the country is greatly developing ocean blue economy, emerging fields such as carbon sink fishery and the like are gradually rising, the country is paying more attention to ocean research, how to further research ocean is particularly important, the chlorophyll content of water is an important parameter for evaluating the index of the water environment of the sea area, and the classifying chlorophyll content can reflect the water environment condition of the sea area more accurately. Currently, commonly used graded chlorophyll filters fall into three specifications: 20um, 2um and 0.45um. The suction filtration device that uses circulation on the market at present is to the repeated suction filtration of a water sample for three times, in the suction filtration process, need repeatedly carry out the experiment operations such as change filter membrane, empty water sample, also increased the error risk that the water sample was poured out in the course of working, in addition, the in-process of pouring the filtrate repeatedly makes partial water sample remain in the filter flask easily to make the suction filtration volume inaccurate, these factors have caused the suction filtration to classify chlorophyll sample work efficiency low, the filtration space of the filtration membrane that adopts in order to separate different microorganisms when the big scheduling problem suction filtration of error probability is different, need often change filter paper, filter paper dismouting change inconvenient moreover.
The following patent documents related to the present application are found by searching, and specific disclosures are as follows:
1. A multi-connected vacuum suction filtration device (CN 207056060U) consists of a power line, a power switch, a vacuum pump, a vacuum-resistant connecting pipe, an experiment table, a vent valve, a buffer container, a vacuum meter, a vacuum regulating valve, a vacuum distributor, a suction filtration bottle fixing frame and a suction filtration device, wherein the suction filtration device consists of a suction filtration bottle and a glass sand core funnel; the power line is connected with a power supply, and the on-off of the vacuum pump is controlled through the power switch; the lower part of the experiment table is provided with a vacuum pump, the tabletop of the experiment table is provided with a buffer container, a vacuum distributor and a suction bottle fixing frame, the suction device is fixed through the suction bottle fixing frame, the vacuum pump is connected with the buffer container through a vacuum-resistant connecting pipe, the buffer container is connected with the vacuum distributor through a vacuum-resistant connecting pipe, and the vacuum distributor is connected with a plurality of suction devices through the vacuum-resistant connecting pipe; the bottom of the buffer container is provided with a vent valve for removing liquid which is sucked into the buffer container when the operation is improper; the top of the buffer container is provided with a vacuum regulating valve for regulating the vacuum degree in the suction filtration device; the vacuum gauge is installed at the top of buffer container for measure the vacuum degree in the suction filtration device, vacuum gauge and vacuum control valve cooperation use, ensure that the vacuum degree in the device is in the bearing range of suction filtration bottle.
2. A multistage series suction filtration device (CN 103432815A), a plurality of suction filtrate collecting devices are connected with each other through connecting hoses; each pumping filtrate collecting device comprises the following components: a suction filtration device is inserted into the bottle mouth of the double-mouth suction filtration bottle, a soft plug and a filler are arranged on the suction filtration device from top to bottom, a water sample is placed between the soft plug and the filler, and a conduit is inserted into the filler and used for guiding suction filtrate into a suction filtrate collecting device; the filter tips of the two-nozzle filter flask are connected in series through a hose; the suction filter tip of the head end double-mouth suction filter bottle is connected with a vacuum pump through a hose, and one of the suction filter tips of the tail end double-mouth suction filter bottle is sealed by a plug.
3. The multi-filter device comprises a multi-filter device body (CN 205164231U), wherein the multi-filter device body comprises at least two filter bottles, namely a first filter bottle and a second filter bottle, the at least two filter bottles comprise a bottle body, one side of the bottle body is provided with a filter port, and the upper end of the bottle body is provided with a liquid inlet; the liquid inlet of the first suction filtration bottle is inserted with a funnel, the suction filtration port of the first suction filtration bottle is communicated with the liquid inlet of the second suction filtration bottle through a rubber hose, and the suction filtration port of the second suction filtration bottle is connected with a vacuum pump.
By comparing technical characteristics, the technical structures of the disclosed patent documents are different from those of the invention, and the creativity and novelty of the application of the invention are not affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the indoor combined drainage suction filtration device which has the advantages of simple structure, convenient operation, short suction filtration time of a laboratory suction filtration device, high suction filtration efficiency and capability of circulating three-stage suction filtration.
The invention solves the technical problems by adopting the following technical scheme:
The indoor combined drainage and suction filtration device comprises an operation table, a vacuum pumping mechanism and a circulating filtration mechanism, wherein the operation table is provided with the circulating filtration mechanism and the vacuum pumping mechanism, the vacuum pumping mechanism comprises an air pipe support frame, a vacuum pump, a connecting pipe and suction filtration pipes, the connecting pipe is horizontally arranged on the air pipe support frame, a plurality of suction filtration pipes are uniformly distributed on the connecting pipe at intervals through a three-way valve, the suction filtration pipe on the rightmost side is connected with the vacuum pump, and other suction filtration pipes are all communicated with filter heads of unit filtration mechanisms of the circulating filtration mechanism; the circulating filter mechanism comprises a water tank, a unit filter mechanism, a liquid collecting pipe, a water supply connecting pipe, a filter support frame and a water supply support frame, wherein the liquid collecting pipe is horizontally arranged on the filter support frame, one end of the liquid collecting pipe is connected with the water tank, a plurality of liquid collecting vertical pipes with valves are uniformly distributed on the liquid collecting pipe at intervals, and the unit filter mechanism is coaxially arranged at the top end of the liquid collecting vertical pipes; the water supply support frame is horizontally provided with water supply connecting pipes, a plurality of water supply pipes are uniformly distributed on the water supply connecting pipes at intervals and are connected with the water tank through three-way valves, and other water supply pipes are communicated with filter cups of the unit filtering mechanisms; the water pump is arranged in the box body, the water pump, the vacuum pump and the valve are adjusted to be opened and closed in a matched mode, and water circulation suction filtration is achieved.
Moreover, unit filtering mechanism includes filter bowl, filter head, sand core caulking groove, album liquid bottle and rotatable separation blade, album liquid bottle coaxial mounting is in album liquid standpipe upper end, filter head coaxial mounting is on album liquid bottle, upper portion coaxial arrangement has circular sand core caulking groove in the filter head, the lower part activity of rotatable separation blade inlays in filter head upper portion, the coaxial movable mounting of rotatable separation blade upper end has the filter bowl, filter bowl and filter head butt joint setting, and it is fixed with filter bowl axial limit through pin and cotter pin with filter bowl, realizes rotatable separation blade rotatory between filter bowl and filter head.
The filter head comprises a filter head pipe and a filter funnel, the filter funnel is coaxially arranged at the upper end of the filter head pipe, a suction filtration negative pressure port is integrally formed in the left side of the filter head pipe and communicated with the suction filtration pipe, a first annular groove and a second annular groove are integrally formed in the inner side of the upper part of the filter funnel, an annular lower connecting table is integrally formed in the radial outer side of the upper part of the filter funnel, and two limiting holes are symmetrically formed in the annular lower connecting table; the lower part of the filter bowl is provided with an opening, a third annular groove is integrally formed in the filter bowl, an annular upper connecting table is radially outwards formed at the opening, two limiting holes are symmetrically formed in the annular upper connecting table, and the limiting holes in the annular upper connecting table and the limiting holes in the annular lower connecting table correspond to jointly inserted pins and are fixed through cotter pins.
The diameter of the annular lower connecting table at the upper part of the filter head is larger than that of the annular upper connecting table at the lower part of the filter cup.
Moreover, the sand core caulking groove comprises a round hollow pipe body, thin plates and a hollowed-out net, the hollowed-out net is fixedly arranged at the bottom of the round hollow pipe body, three thin plates are uniformly distributed in the round hollow pipe body, the round hollow pipe body is divided into six identical filter membrane fan-shaped caulking grooves, the angle of each filter membrane fan-shaped caulking groove is 60 degrees, the pair angles of the six filter membrane fan-shaped caulking grooves are three pairs of caulking grooves, the filter membranes arranged in the two filter membrane fan-shaped caulking grooves of each pair of caulking grooves are the same, and three pairs of filter membranes with three different apertures are respectively arranged in the caulking grooves clockwise.
The rotatable baffle comprises a baffle body and a poking rod, the baffle body comprises an outer edge part and a working part, the edge part is of an annular structure, the upper end face and the lower end face of the outer edge part are respectively in sealing contact with an annular upper connecting table of the filter bowl and an annular lower connecting table of the filter head, the working part embedded with a third annular groove of the filter bowl and a second annular groove of the filter head is arranged on the inner side of the outer edge part, a fan-shaped liquid flow opening forming a diagonal angle is arranged in the working part in the plane projection direction, the included angle of the fan-shaped liquid flow opening is 60 degrees, the fan-shaped liquid flow opening forming a diagonal angle corresponds to each group of paired caulking grooves of the sand core caulking grooves, the poking rod is arranged on the outer side of the outer edge part, the distance from the end part of the poking rod to the center of the baffle body is larger than the radius of the annular upper connecting table of the lower part of the filter bowl, and the distance from the end part of the poking rod to the center of the baffle body is smaller than the radius of the annular lower connecting table of the upper part of the filter head.
And moreover, three positioning jacks are formed in the upper surface of the annular lower connecting table of the filter head at intervals, an included angle between two adjacent positioning jacks is 60 degrees, a positioning hole is integrally formed in the end part of the poking rod, and a positioning pin is coaxially inserted into the positioning hole and the positioning hole, so that the rotatable baffle plate can be rotationally positioned.
Moreover, the structure of trachea support frame, filtration support frame and water supply support frame is the same, including bottom support and quick detach joint constitution, install the quick detach joint on the bottom support, the quick detach joint includes first jackscrew bracket, jackscrew, second way jackscrew bracket and bracket from bottom to top in proper order, first jackscrew bracket lower extreme is connected with floor support, and first jackscrew bracket upper end is connected with the jackscrew, and the bracket is installed to the jackscrew upper end, the bracket includes bracket bottom plate and bracket pterygoid lamina, bracket bottom plate and bracket pterygoid lamina integrated into one piece, bracket bottom plate horizontal installation, bracket pterygoid lamina are located bracket bottom plate both ends upper portion.
Moreover, the contact part of the outer edge part of the rotatable baffle plate and the annular upper connecting table of the filter bowl and the contact part of the outer edge part of the rotatable baffle plate and the annular lower connecting table of the filter head are both provided with sealing rings.
And sealing plugs are arranged at both ends of the connecting pipe, one end of the liquid collecting pipe and both ends of the water supply connecting pipe.
The invention has the advantages and positive effects that:
1. The invention adopts the combination of the suction filtration unit row, the unit suction filtration mechanism and the circulating filtration, is simple and stable, is easy to realize, and can adjust the opening and closing of the water pump, the vacuum pump and the control valve according to the number of samples, thereby realizing the circulating work of suction filtration, water supply and liquid collection, realizing the three-stage circulating suction filtration of a plurality of identical samples and greatly improving the suction filtration efficiency.
2. The invention can shield the filter membrane by the rotatable baffle plate between the rotary filter head and the filter cup, thereby realizing the selection of the filter membrane, and having simple structure and convenient operation; and the circulating filtration mechanism can realize circulating three-stage suction filtration without disassembling and replacing a filter membrane, so that the suction filtration time is reduced, the working efficiency is improved, and meanwhile, the probability of error in the suction filtration process is reduced. Thus, the purpose of repeated filtration can be continuously performed.
3. The invention can be used for liquid sample suction filtration in the aspects of chemical analysis, chromatographic purification, instrument analysis, sanitary inspection, pharmaceutical industry, biological products and pesticide monitoring, petroleum monitoring, environmental protection monitoring and the like, is used for removing particles and bacteria in liquid, has wide application, can observe each filtration process, and can carry out test and inspection on samples collected each time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a unit suction filtration mechanism according to the present invention;
FIG. 3 is a partial cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram of a sand core caulking groove according to the present invention;
FIG. 5 is a schematic view of a rotatable baffle according to the present invention;
FIG. 6 is a top view of the sand core caulking groove of the present invention with filter membranes of different pore diameters embedded therein;
FIG. 7 is a top view of the filter funnel of the present invention with a rotatable baffle mounted thereon;
FIG. 8 is a top view of the rotatable flap of FIG. 7 rotated 60 clockwise;
FIG. 9 is a top view of the rotatable flap of FIG. 8 rotated 60 clockwise;
Fig. 10 is a schematic view of the structure of the quick connector of the present invention.
Detailed Description
The invention will now be described in further detail by way of specific examples, which are given by way of illustration only and not by way of limitation, with reference to the accompanying drawings.
The utility model provides an indoor row suction filtration device that allies oneself with, includes operation panel 18, evacuating mechanism and circulation filtering mechanism, be provided with circulation filtering mechanism and evacuating mechanism on the operation panel, circulation filtering mechanism's filter head one side is linked together with evacuating mechanism through the suction filtration pipe that is equipped with the three-way valve to realize high-efficient suction filtration.
The vacuum pumping mechanism comprises an air pipe support frame 10, a vacuum pump 17, a connecting pipe 5 and a suction filtration pipe 3, wherein the air pipe support frame is arranged on an operation table, the vacuum pump is arranged on the right side of the operation table, the connecting pipe is horizontally arranged on the air pipe support frame, sealing plugs 1 are arranged at two ends of the connecting pipe, a plurality of suction filtration pipes are arranged on the connecting pipe at equal intervals through three-way valves (2, 4, 6 and 8), the suction filtration pipe on the rightmost side is connected with the vacuum pump, and other suction filtration pipes are all communicated with filter heads of the circulating filtration mechanism.
The trachea support frame comprises a bottom support and a quick-release connector 9, the quick-release connector is arranged on the bottom support and sequentially comprises a first jackscrew bracket 41, jackscrews 40, a second jackscrew bracket 39 and a bracket 38 from bottom to top, the lower end of the first jackscrew bracket is connected with a floor stand, the upper end of the first jackscrew bracket is connected with jackscrews, the upper end of the jackscrews is provided with the bracket, and the first jackscrew bracket is used for adjusting the ground height of the quick-release connector. The second jackscrew bracket upwards holds the connecting pipe installed in the bracket through the bracket, the bracket comprises a bracket bottom plate and bracket wing plates, the bracket bottom plate and the bracket wing plates are integrally formed, the bracket bottom plate is horizontally installed, and the bracket wing plates are positioned on the upper parts of the two ends of the bracket bottom plate and are convenient to detach.
The circulating filter mechanism comprises a water tank 19, a unit filter mechanism 11, a liquid collecting pipe 15, a water supply connecting pipe 22, a filter support frame 16 and a water supply support frame 13, wherein the water tank is arranged on the left side of an operation table, the filter support frame and the water supply support frame are arranged on the operation table in parallel, the water supply support frame is higher than the filter support frame, the liquid collecting pipe is horizontally arranged on the filter support frame, one end of the liquid collecting pipe is provided with a sealing plug, the other end of the liquid collecting pipe is connected with the water tank through a hose, a plurality of liquid collecting vertical pipes 14 are uniformly distributed on the liquid collecting pipe at intervals, a valve 7 is arranged on each liquid collecting vertical pipe, the unit filter mechanism is coaxially arranged at the top end of each liquid collecting vertical pipe, and the liquid collecting vertical pipes are connected with a liquid collecting bottle of the unit filter mechanism; a water supply connecting pipe is horizontally arranged on the water supply supporting frame, sealing plugs 21 are arranged at two ends of the water supply connecting pipe, a plurality of water supply pipes 20 are uniformly distributed on the water supply connecting pipe at intervals through a three-way valve, the leftmost water supply pipe is connected with a water tank, and other water supply pipes are communicated with filter cups of the unit filtering mechanism; the water tank comprises an openable sealing box cover and a box body, the openable sealing box cover is hinged on the box body, a water pump is arranged in the box body, the water pump pumps water from the water tank to a water supply connecting pipe, then the water is filtered through a unit filtering mechanism and is discharged into the water tank again, and the water is pumped to the water supply connecting pipe through the water pump to realize circulation.
The unit filtering mechanism comprises a filter bowl 23, a filter head, a sand core caulking groove 32, a liquid collecting bottle 12 and a rotatable baffle 35, wherein the liquid collecting bottle is coaxially arranged at the upper end of a liquid collecting vertical pipe, the filter head is coaxially arranged on the liquid collecting bottle, the upper part of the filter head is coaxially provided with a round sand core caulking groove, the lower part of the rotatable baffle is movably embedded at the upper part of the filter head, the upper end of the rotatable baffle is coaxially movably provided with the filter bowl, the filter bowl is in butt joint with the filter head, the filter bowl and the filter head are axially limited and fixed through a pin 30 and a cotter pin 31, and the rotatable baffle can rotate between the filter bowl and the filter head.
The filter head comprises a filter head pipe 29 and a filter funnel 28, the filter funnel is coaxially arranged at the upper end of the filter head pipe, a suction filtration negative pressure port is integrally formed in the left side of the filter head pipe and is communicated with the suction filtration pipe, a first annular groove and a second annular groove are formed in the inner side of the upper part of the filter funnel, the first annular groove is used for placing a sand core caulking groove, the second annular groove is used for movably mounting a rotatable baffle, an annular lower connecting table 27 is arranged in the radial outer body of the upper part of the filter funnel, and two limiting holes 36 are symmetrically formed in the annular lower connecting table and are used for limiting and fixing the filter funnel axially.
The lower part of the filter bowl is provided with an opening, a third annular groove is integrally formed in the filter bowl and movably mounted with the rotatable baffle, an annular upper connecting table 24 is radially and outwards arranged at the opening, two limiting holes are symmetrically formed in the annular upper connecting table and are jointly inserted with the limiting holes in the annular lower connecting table of the filter funnel, the limiting holes are fixed by cotter pins, and the top end of the filter bowl is connected with a water supply connecting pipe through a water supply pipe provided with a three-way valve.
The diameter of the annular lower connecting table at the upper part of the filter head is larger than that of the annular upper connecting table at the lower part of the filter cup.
The sand core caulking groove comprises a round hollow pipe body, thin plates 44 and a hollowed-out net 45, the bottom of the round hollow pipe body is fixedly provided with the hollowed-out net, three thin plates are uniformly distributed in the round hollow pipe body and are divided into six identical filter membrane fan-shaped caulking grooves, the angle of each filter membrane fan-shaped caulking groove is 60 degrees, the paired angles of the six filter membrane fan-shaped caulking grooves are three groups of paired caulking grooves, identical filter membranes arranged in the two filter membrane fan-shaped caulking grooves of the paired caulking grooves are formed, and three groups of paired caulking grooves are respectively provided with three filter membranes with different apertures, for example, when ocean water is to be filtered, classification chlorophyll filter membranes can be adopted, and the common classification chlorophyll filter membranes are divided into three specifications: primary membrane 33, secondary membrane 43, and tertiary membrane 42, and have diameters of 20um, 2um, and 0.45um, respectively.
The rotatable separation blade comprises a separation blade body and a poking rod 26, the separation blade body comprises an outer edge 48 and a working part 47, the edge is of an annular structure, the upper end face and the lower end face of the outer edge are respectively in sealing contact with an annular upper connecting table of the filter bowl and an annular lower connecting table of the filter head, the inner side of the outer edge is provided with a working part embedded with a third annular groove of the filter bowl and a second annular groove of the filter head, the working part is internally provided with a fan-shaped liquid flowing port 46 which is diagonal from the plane projection direction, the included angle of the fan-shaped liquid flowing port is 60 degrees, the corresponding filter membrane in each group of paired caulking grooves of the sand core caulking grooves flows through the corresponding paired fan-shaped liquid flowing port, the poking rod is arranged outside the outer edge, the distance from the end part of the poking rod to the annular upper connecting table of the lower part of the separation blade body is larger than the radius of the annular upper connecting table of the filter bowl and smaller than the radius of the annular lower connecting table of the filter head, and the poking rod can realize 180 degrees of the rotatable separation blade between the filter bowl and the filter head.
In the implementation of the invention, in order to realize that the rotatable baffle can rotate between the filter bowl and the filter head in a positioning way, three positioning jacks 37 are formed on the upper surface of the annular lower connecting table of the filter head at intervals, the included angle between two adjacent positioning jacks is 60 degrees, a positioning hole is integrally formed at the end part of the poking rod, the positioning hole corresponds to the positioning jack, a positioning pin 25 is coaxially inserted in the positioning hole, and the positioning pin is coaxially inserted in the positioning jack, so that the rotatable baffle can be rotationally positioned.
In the implementation of the invention, the structures of the filtering support frame and the water supply support frame are the same as those of the air pipe support frame.
In the implementation of the invention, in order to ensure better vacuum degree during suction filtration and stronger tightness between the filter bowl and the filter head, sealing rings 34 are arranged at the contact position of the outer edge part of the rotatable baffle plate and the annular upper connecting table of the filter bowl and the contact position of the outer edge part of the rotatable baffle plate and the annular lower connecting table of the filter head.
In the implementation of the invention, the suction filtration tube can be a PVC hose, the material manufacturing cost is low and the suction filtration tube is light and convenient to install and move, and the liquid collection bottle can be made of PVC material and can be better installed with the liquid collection vertical tube at the bottom of the liquid collection bottle.
When the invention is specifically operated, firstly, the sample to be subjected to vacuum filtration is poured into a water tank, then a valve of a suction filtration pipe and a valve of a water supply pipe are opened according to the sample amount poured into the water tank, then a rotatable baffle plate arranged between a filter head and a filter bowl is rotated and adjusted, other two filter membranes with smaller apertures are shielded by filter paper, the filter paper with the same aperture is adjusted, then a water pump is started, water in the water tank is pumped into a water supply connecting pipe, then the water flows into the filter bowl respectively, a vacuum pump is started at the same time, the sample enters a liquid collecting bottle through the filter membrane, after the sample is filtered for the first time, an air pump and a water pump are closed, a valve on a corresponding liquid collecting vertical pipe is opened, the sample flows back into the water tank through the liquid collecting pipe, then the water tank is rotated by a stirring rod of the rotatable baffle plate for 60 degrees clockwise, the water in the water tank is pumped into the water supply connecting pipe, then flows into the filter bowl respectively, the vacuum pump is started at the same time, the sample flows into the water tank through the filter bowl through the corresponding vertical pipe after the sample is opened, the water pump is rotated and the water tank is pumped into the water tank through the water tank, the water tank through the corresponding vertical pipe is opened, the water tank is rotated and the filter pipe is opened, and the water tank is filtered, and the sample is filtered by the water tank is pumped into the water tank through the filter tube after the vacuum pump, and the filter pipe is opened, and then the filter head is detached from the filter cup, the filter membrane is replaced, and the filtered filter membrane can be taken out for detection.
1. The invention adopts the combination of the suction filtration unit row, the unit suction filtration mechanism and the circulating filtration, is simple and stable, is easy to realize, and can adjust the opening and closing of the water pump, the vacuum pump and the control valve according to the number of samples, thereby realizing the circulating work of suction filtration, water supply and liquid collection, realizing the three-stage circulating suction filtration of a plurality of identical samples and greatly improving the suction filtration efficiency.
The invention can realize the selection of the filter membrane by shielding the filter membrane by the rotatable baffle plate between the rotary filter head and the filter cup, thereby achieving the purpose of continuously and repeatedly filtering without disassembly.
The indoor combined drainage suction filtration device is used for suction filtration of liquid samples in the aspects of chemical analysis, chromatographic purification, instrument analysis, sanitary inspection, pharmaceutical industry, biological products and pesticide monitoring, petroleum monitoring, environmental protection monitoring and the like, and is used for removing particles and bacteria in liquid.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments and the disclosure of the drawings.
Claims (8)
1. An indoor row suction filtration device that allies oneself with which characterized in that: the device comprises an operation table, a vacuumizing mechanism and a circulating filtering mechanism, wherein the operation table is provided with the circulating filtering mechanism and the vacuumizing mechanism, the vacuumizing mechanism comprises an air pipe support frame, a vacuum pump, a connecting pipe and a vacuumizing pipe, the connecting pipe is horizontally arranged on the air pipe support frame, a plurality of vacuumizing pipes are uniformly distributed on the connecting pipe at intervals and are arranged through a three-way valve, the vacuumizing pipe on the rightmost side is connected with the vacuum pump, and other vacuumizing pipes are all communicated with filter heads of unit filtering mechanisms of the circulating filtering mechanism; the circulating filter mechanism comprises a water tank, a unit filter mechanism, a liquid collecting pipe, a water supply connecting pipe, a filter support frame and a water supply support frame, wherein the liquid collecting pipe is horizontally arranged on the filter support frame, one end of the liquid collecting pipe is connected with the water tank, a plurality of liquid collecting vertical pipes with valves are uniformly distributed on the liquid collecting pipe at intervals, and the unit filter mechanism is coaxially arranged at the top end of the liquid collecting vertical pipe; the water supply support frame is horizontally provided with water supply connecting pipes, a plurality of water supply pipes are uniformly distributed on the water supply connecting pipes at intervals and are connected with the water tank through three-way valves, and other water supply pipes are communicated with filter cups of the unit filter mechanisms; a water pump is arranged in the water tank,
The water pump, the vacuum pump and the valve are adjusted to be matched to be opened and closed, so that water circulation suction filtration is realized;
The unit filtering mechanism comprises a filter bowl, a filter head, a sand core caulking groove, a liquid collecting bottle and a rotatable baffle plate, wherein the liquid collecting bottle is coaxially arranged at the upper end of a liquid collecting vertical pipe, the filter head is coaxially arranged on the liquid collecting bottle, the upper part in the filter head is coaxially provided with the circular sand core caulking groove, the lower part of the rotatable baffle plate is movably embedded at the upper part of the filter head, the upper end of the rotatable baffle plate is coaxially movably provided with the filter bowl, the filter bowl is in butt joint with the filter head, the filter bowl and the filter head are axially limited and fixed through a pin and a cotter pin, and the rotatable baffle plate is rotated between the filter bowl and the filter head;
The structure of the air pipe support frame, the filtering support frame and the water supply support frame is the same, the air pipe support frame comprises a bottom support frame and a quick-release connector, the quick-release connector is arranged on the bottom support frame and sequentially comprises a first jackscrew bracket, jackscrews, a second jackscrew bracket and a bracket groove from bottom to top, the lower end of the first jackscrew bracket is connected with a floor support frame, the upper end of the first jackscrew bracket is connected with the jackscrews, the bracket groove is arranged at the upper end of the jackscrews, the bracket groove comprises a bracket groove bottom plate and a bracket groove wing plate, the bracket groove bottom plate and the bracket groove wing plate are integrally formed, the bracket groove bottom plate is horizontally arranged, and the bracket groove wing plate is positioned at the upper parts of two ends of the bracket groove bottom plate.
2. The indoor unit row suction filtration device according to claim 1, wherein: the filter head comprises a filter head pipe and a filter funnel, the filter funnel is coaxially arranged at the upper end of the filter head pipe, a suction filtration negative pressure port is integrally formed in the left side of the filter head pipe and communicated with the suction filtration pipe, a first annular groove and a second annular groove are integrally formed in the inner side of the upper part of the filter funnel, an annular lower connecting table is integrally formed in the radial outer side of the upper part of the filter funnel, and two limiting holes are symmetrically formed in the annular lower connecting table; the lower part of the filter bowl is provided with an opening, a third annular groove is integrally formed in the filter bowl, an annular upper connecting table is radially and outwards formed at the opening, two limiting holes are symmetrically formed in the annular upper connecting table, and the limiting holes in the annular upper connecting table are connected with the annular lower part
The limiting holes on the table correspond to the common plug-in pins and are fixed through cotter pins.
3. The indoor unit row suction filtration device according to claim 2, wherein: the upper part of the filter head
The diameter of the annular lower connecting table is larger than that of the annular upper connecting table at the lower part of the filter bowl.
4. The indoor unit row suction filtration device according to claim 1, wherein: the sand core caulking groove
Including circular hollow tube body, sheet metal and fretwork net, a fretwork net is adorned admittedly to circular hollow tube body bottom, this internal equipartition of circular hollow tube has three sheet metal, separates circular hollow tube body into the fan-shaped caulking groove of six identical filter membranes, the angle of every fan-shaped caulking groove of filter membrane is 60, six fan-shaped caulking groove pair angle of filter membrane is three sets of to the caulking groove, and the filter membrane that sets up in two fan-shaped caulking grooves of filter membrane of every set of to the caulking groove is the same, the institute
And three filter membranes with different apertures are respectively arranged in the three pairs of caulking grooves clockwise.
5. The indoor unit row suction filtration device according to claim 1, wherein: the rotatable separation blade comprises a separation blade body and a poking rod, the separation blade body comprises an outer edge part and a working part, the edge part is of an annular structure, the upper end face and the lower end face of the outer edge part are respectively in sealing contact with an annular upper connecting table of the filter bowl and an annular lower connecting table of the filter head, the working part embedded with a third annular groove of the filter bowl and a second annular groove of the filter head is arranged on the inner side of the outer edge part, a fan-shaped liquid flow opening forming a diagonal angle is arranged in the working part in the plane projection direction, the included angle of the fan-shaped liquid flow opening is 60 degrees, the fan-shaped liquid flow opening forming a diagonal angle corresponds to each group of alignment grooves of the sand core caulking grooves, the poking rod is arranged on the outer side of the outer edge part, the distance from the end part of the poking rod to the center of the separation blade body is larger than the radius of the annular upper connecting table of the lower part of the filter bowl, the distance from the end part of the poking rod to the center of the separation blade body is smaller than the radius of the annular lower connecting table of the filter head upper part, a coaxial positioning hole is also integrally formed on the end part of the poking rod, and the positioning pin is inserted into the positioning pin to realize the rotation positioning of the separation blade.
6. The indoor unit row suction filtration device according to claim 2, wherein: the upper surface of the annular lower connecting table of the filter head is provided with three positioning jacks at intervals, and the included angle between two adjacent positioning jacks is 60 degrees.
7. The indoor unit row suction filtration device according to claim 1, wherein: the contact part of the outer edge part of the rotatable baffle plate and the annular upper connecting table of the filter bowl and the annular lower connection of the outer edge part of the rotatable baffle plate and the filter head
The contact parts of the connecting tables are provided with sealing rings.
8. The indoor unit row suction filtration device according to claim 1, wherein: sealing plugs are arranged at two ends of the connecting pipe, one end of the liquid collecting pipe and two ends of the water supply connecting pipe.
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| CN201910634937.7A CN110393963B (en) | 2019-07-15 | 2019-07-15 | Indoor row suction filtration device |
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| CN112899073A (en) * | 2019-12-03 | 2021-06-04 | 刘晓宇 | Peroxide value detection pretreatment equipment |
| CN111530381B (en) * | 2020-05-14 | 2022-10-25 | 智翠梅 | Equipment for preparing methane from synthesis gas with function of inhibiting carbon deposition |
| CN112107901B (en) * | 2020-09-10 | 2024-06-07 | 北京沄汇智能科技有限公司 | Solid-liquid suction filtration device |
| CN115608039B (en) * | 2022-12-14 | 2023-02-28 | 黎耀智能科技有限公司 | Filter for water pump split type multi-connected system and water pump split type multi-connected system |
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