CN104607049B - A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier - Google Patents
A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier Download PDFInfo
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- CN104607049B CN104607049B CN201310542021.1A CN201310542021A CN104607049B CN 104607049 B CN104607049 B CN 104607049B CN 201310542021 A CN201310542021 A CN 201310542021A CN 104607049 B CN104607049 B CN 104607049B
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Abstract
The present invention relates to a kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier, including aqua storage tank, evacuate chamber and water tank, the water storage trench bottom is provided with the groove in the hole that is evenly distributed and bottom the is evenly distributed flexible silicone rubber sealing gasket in hole, in fastening gasket of the both sides of groove provided with equidistant bolt and for installing palladium-based composite membrane to be washed；The evacuation chamber is a cavity, between aqua storage tank and water tank, and blow-down pipe is provided with one end of the evacuation chamber and negative tube is taken out；The water tank is a cavity, and in one end of the water tank provided with negative tube and drainpipe is taken out, evacuation tube is provided with the relative other end, support is provided with the bottom of the water tank.Present inventive concept is ingenious, reasonable in design, simple to operate, can be effectively by residual impurity washes clean in palladium-based composite membrane porous carrier deep layer duct.
Description
Technical field
The present invention relates to a kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier, refer specifically to Metal Palladium and answer
The wash mill of residual impurity in film porous carrier duct is closed, is particularly suitable for use in having compared with big L/D ratio, interior membranous type, multi-channel type
The washing of residual impurity in palladium/ceramic composite membrane carrier duct.
Background technology
Palladium and its alloy film are widely used in hydrogen point because having higher permeability and permselective property to hydrogen
From in a variety of hydrogen-involved reactions such as, purifying, hydrogenation, dehydrogenation.Compared with traditional self-cradling type palladium film, load type palladium film has thickness
Thin, permeated hydrogen amount is big, preparation cost is low, high mechanical strength advantage, it has also become the focus of research.
The carrier of load type palladium composite membrane mainly has porous ceramic pipe and porous stainless steel, and the former application is the widest
It is general.Porous ceramic pipe has two kinds of single channel type and multi-channel type, and wherein multi-channel tube is due to higher separating area/volume
Than and mechanical strength, new palladium-based composite membrane using it as carrier receives much concern in the scale application of Hydrogen Separation and purification.
The preparation method of load type palladium composite membrane mainly has high temperature sputtering method, electroless plating method, galvanoplastic, chemical vapor deposition
Method, physical vaporous deposition, magnetron sputtering method, plasma spraying method, photocatalytic method etc., and electroless plating method is acknowledged as preparing
The most successful technique of dense palladium film.The method can be in the complex-shaped uniform palladium film of carrier surface deposit thickness, and operates
Simply, film forming compactness is good.Plating process generally comprises pretreatment, surface active, chemical plating, post processing of carrier etc. four
Step.Wherein in surface active and plating process, porous carrier will unavoidably be contacted with activated solution and plating solution, and be activated
Chemical reagent in solution and plating solution will necessarily be adsorbed in the surface and duct of porous carrier.It is compound for multi-channel metal palladium
Film, after method formation Metal Palladium film of the carrier channel inner surface by chemical plating, the palladium film of preparation is finer and close, in carrier duct
The impurity of residual is more difficult to remove.The method of conventional wash load type palladium film is to use high temperature（Such as 85 DEG C）Deionized water is soaked
Displacement washing, then using soaked in absolute ethyl alcohol displacement washing [Xiaojuan Hu, Yan Huang, Shili Shu, Yiqun
Fan,Nanping Xu,Journal of Power Sources181(2008)135-139].But this conventional deionization
Water soaks and the method for soaked in absolute ethyl alcohol displacement washing is very difficult to remove impurity of the absorption in carrier deep layer duct.
The content of the invention
The technical problems to be solved by the invention are after being covered for multichannel ceramic monolith inner surface by Metal Palladium film, to make
Residual impurity in palladium-based composite membrane carrier deep layer duct is obtained, it is difficult to pass through the method removal that conventional deionized water soaks displacement, and
There is provided a kind of negative pressure washing methods, a kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier is devised, is adopted
The impurity for remaining in carrier deep layer duct can be easy to and thoroughly removed very much with the device, it is ensured that the quality of palladium film.
The present invention concrete technical scheme be：
A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier, including aqua storage tank, evacuation chamber and water storage
Tank；The bottom of the aqua storage tank is provided with groove, and the bottom of groove is provided with the through hole being evenly distributed, interior membrane type metallo to be washed
Palladium/porous carrier compound film tube is placed in groove, in interior membranous type Metal Palladium/porous carrier compound film tube and groove to be washed
It is provided between internal face on flexible silicone rubber sealing gasket, flexible silicone rubber sealing gasket and offers through hole；
The bolt perpendicular to water storage trench bottom is arranged with the groove both sides of water storage trench bottom, in monosymmetric bolt
Between be provided with fastening gasket, the fastening gasket of the interior membranous type Metal Palladium/porous carrier compound film tube to be washed for installing passes through spiral shell
Connected between female and bolt；
In the bottom of aqua storage tank provided with chamber is evacuated, water tank is provided with the bottom for evacuating chamber；The evacuation chamber is a cavity,
Chamber is evacuated by through hole with groove to be connected；The blow-down pipe and evacuation chamber with being connected in cavity are provided with one end of the evacuation chamber
Take out negative tube；
The water tank is a cavity, is provided with one end of the water tank and takes out negative tube with the water tank being connected in cavity
And drainpipe, it is provided with the evacuation tube with being connected in cavity in the relative other end；Evacuation tube is connected with vacuum plant, evacuates chamber
Take out negative tube and take out negative tube with water tank and be connected.
Fixed support is provided with the bottom of water tank.
The logarithm of the monosymmetric bolt be more than two pairs, and in groove both sides Unequal distance or be equally spaced.
The radial section of the groove is semicircle or trapezoidal, and groove is wide 40-60 millimeters, depth 18-23 millimeters, bottom portion of groove
The uniform bore of distribution can be bar hole or circular hole, and hole is wide 3-7 millimeters.
Described bottom is evenly distributed the flexible silicone rubber sealing gasket of through hole, the shape of sealing gasket and the groove shapes phase
Correspondence, the thickness of sealing gasket is 3-8 millimeters, and the uniform through bore of bottom distribution can be bar hole or circular hole, and hole is wide 3-7 millimeters.
The described equidistant bolt for being distributed in groove both sides, bolt is full thread structure, and two symmetrical bolts are apart
60-80 millimeters, be highly 20-30 millimeters, and external diameter is 6-8 millimeters.
The fastening gasket is several font structures, and middle arc radius is 16-18 millimeters, and it is flat that circular arc two ends stretch out
Face is provided with perforate, and aperture is 6.5-8.5 millimeters, and pitch-row is 60-80 millimeters, and the width of the fastening gasket is 18-25 millimeters, thick
Spend for 2.0-2.5 millimeters.
The interior membranous type Metal Palladium/porous carrier compound film tube to be washed, wherein palladium-based composite membrane are multi-channel type metal
Palladium/ceramic compound film tube, the number of active lanes and shape of carrier are not limited, and the length and diameter ratio of carrier are 1-30.
Described one end for evacuating chamber is provided with blow-down pipe and taking out negative tube, wherein taking out cavity inside size and being：Long 950-1050
Millimeter, it is wide 60-90 millimeters, it is high 30-40 millimeters；Wherein blow-down pipe be used for discharge negative pressure, take out negative tube be used for connect evacuate chamber with
Water tank；
One end of the water tank is provided with evacuation tube 205 provided with negative tube and drainpipe is taken out in the relative other end, in storage
The bottom of water pot is provided with support, and the bottom of wherein water tank is an inclined-plane, is inclined-plane low side close to drainpipe one end, close to evacuation
Pipe one end is that inclined-plane is high-end；The inside dimension of wherein water tank is：It is long 950-1050 millimeters, wide 60-90 millimeters, high 60-90 millis
Rice；Wherein take out negative tube be used for connect evacuate chamber and water tank, drainpipe is used to discharge scrub raffinate in water tank, evacuation tube use
In connection vavuum pump；Its medium-height trestle is used to supporting and fixing negative pressure wash mill；
The described blow-down pipe for being used to discharge negative pressure, its one end is connected with evacuating chamber, and the other end is connected with control valve；It is described
Be used for connect the negative tube of taking out for evacuating chamber and water tank, its one end is connected with evacuation chamber, and the other end is soft by heavy wall silica gel
Pipe is connected with the negative tube of taking out of water tank；
It is described be used to connecting evacuate chamber and water tank take out negative tube, its one end is connected with water tank, and the other end passes through
Heavy wall silica gel hose is connected with evacuating the negative tube of taking out of chamber；The described drainpipe for being used to discharge scrub raffinate in water tank, its
One end is connected with water tank, and the other end is connected with control valve；The described evacuation tube for being used to connect vavuum pump, its one end and storage
Water pot is connected, and the other end is connected by heavy wall silicone tube with vacuum plant.
The vacuum degree control of described negative pressure washing is -0.02MPa--0.04MPa；Described cleaning solution is deionized water,
Temperature is normal temperature.
Beneficial effect：
Compared with conventional load type palladium film washing methods, the negative pressure wash mill that the present invention is provided solves multi-channel type
The problem that residual impurity is effectively removed in palladium-based composite membrane carrier deep layer duct, apparatus of the present invention are simple, easy to operate, can effectively realize
The removal of residual impurity in palladium-based composite membrane porous carrier deep layer duct.
Brief description of the drawings
Fig. 1 is negative pressure wash mill top view.
Fig. 2 is negative pressure wash mill A-A profiles.
Fig. 3 is negative pressure wash mill B-B profiles.
Fig. 4 is palladium-based composite membrane sectional view.
Fig. 5 is the TPO-MS results contrast figures of the different mode of washing of palladium-based composite membrane.
Embodiment
A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier involved in the present invention, its concrete structure
For：
The device is made up of aqua storage tank, evacuation chamber and water tank etc. part；Groove is provided with the bottom of aqua storage tank, groove
Bottom is provided with the through hole being evenly distributed, and interior membranous type Metal Palladium/porous carrier compound film tube to be washed is placed in groove, treated
Flexible silicone rubber sealing gasket is provided between interior membranous type Metal Palladium/porous carrier compound film tube of washing and the internal face of groove, it is flexible
Through hole is offered on silicone rubber seal gasket；
The bolt perpendicular to water storage trench bottom is arranged with the groove both sides of water storage trench bottom, in monosymmetric bolt
Between be provided with fastening gasket, the fastening gasket of the interior membranous type Metal Palladium/porous carrier compound film tube to be washed for installing passes through spiral shell
Connected between female and bolt；
In the bottom of aqua storage tank provided with chamber is evacuated, water tank is provided with the bottom for evacuating chamber；The evacuation chamber is a cavity,
Chamber is evacuated by through hole with groove to be connected；The blow-down pipe and evacuation chamber with being connected in cavity are provided with one end of the evacuation chamber
Take out negative tube；
Water tank is a cavity, is provided with one end of the water tank and takes out negative tube and row with the water tank being connected in cavity
Water pipe, the evacuation tube with being connected in cavity is provided with the relative other end；Evacuation tube is connected with vacuum plant, evacuates chamber and takes out negative
Pressure pipe is taken out negative tube with water tank and is connected.
Fixed support is provided with the bottom of water tank.
The number of active lanes and shape for the multi-channel type cellular ceramic substrate that the present invention is applicable are not limited, and in the market is typically more
Passage earthenware has 7,19,34 passages etc., and channel shape has circle, hexagon etc..Embodiment is as follows：
1) palladium-based composite membrane selected is multi-channel type Metal Palladium ceramic composite membrane, as shown in figure 4, its cellular ceramic substrate is flat
Equal aperture is 0.2 μm, and 19 passages, external diameter 30mm, length 100cm, passage is rounded, channel diameter 4mm.
2) palladium-based composite membrane is placed in the groove of negative pressure wash mill water storage trench bottom, the bottom of groove is logical provided with bar shaped
Place the flexible silicagel pad with strip through-hole on hole, and groove in advance, then fastening gasket is extended by two ends flat
Circular hole on face is placed on the bolt of groove both sides, then rotate nut extruding fastening gasket flexible silica gel is forced by palladium-based composite membrane
Deform upon and realize that the sealing of palladium-based composite membrane is installed, as shown in Figure 1, 2, 3.
3) deionized water at normal temperature will be filled in aqua storage tank.
4) 5 minutes are stood, whether observation liquid level declines, judges whether qualified to install.
5) atmospheric valve, draining valve are closed, connected using heavy wall silicone rubber tube evacuate chamber and water tank take out negative tube, pass through
The evacuation tube and vavuum pump of water tank are attached by heavy wall silicone rubber tube.
6) vavuum pump is started, it is -0.04MPa to control vacuum, carries out negative pressure washing.
7) when liquid level is dropped to close to palladium-based composite membrane in aqua storage tank, vavuum pump is stopped.
8) negative pressure in atmospheric valve, release device is slowly opened.
9) silicone rubber tube that connection water tank takes out negative tube is pulled out, is sampled by the silicone rubber tube from chamber is evacuated, sample is measured
Product electric conductivity value, if electric conductivity value and the electric conductivity value of deionized water are close, shows that washing is qualified.
Fig. 5 is the TPO-MS of the palladium Ceramic Composite membrane carrier using conventional deionized water immersion displacement washing and negative pressure washing
Analysis result, it can be seen that the TPO-MS curvilinear motions of the palladium-based composite membrane carrier washed through negative pressure are smaller from figure, illustrates to use
The method of negative pressure washing can realize effective removal of residual impurity in palladium-based composite membrane carrier deep layer duct.
Claims (7)
1. a kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier, including aqua storage tank, evacuation chamber and water tank；
It is characterized in that：The bottom of the aqua storage tank (5) is provided with groove (1), and the bottom of groove (1) is provided with the through hole (7) being evenly distributed,
Interior membranous type Metal Palladium/porous carrier compound film tube to be washed is placed in groove (1), in interior membranous type Metal Palladium to be washed/many
Flexible silicone rubber sealing gasket (2), flexible silicone rubber sealing gasket are provided between the internal face of hole carrier compound membrane pipe (6) and groove (1)
(2) through hole being evenly distributed is offered on bottom；
The bolt (208) perpendicular to aqua storage tank (5) bottom is arranged with groove (1) both sides of aqua storage tank (5) bottom, in both sides
Fastening gasket (4), the interior membranous type Metal Palladium/porous carrier composite membrane to be washed for installing are provided between symmetrical bolt (208)
The fastening gasket (4) of pipe between nut and bolt (208) by being connected；
In the bottom of aqua storage tank (5) provided with chamber (3) is evacuated, water tank (206) is provided with the bottom for evacuating chamber (3)；It is described to evacuate
Chamber (3) is a cavity, evacuates chamber (3) and is connected by through hole (7) with groove (1)；The radial section of the groove (1) is semicircle
Shape is trapezoidal, and groove is wide 40-60 millimeters, 18-23 millimeters of depth, and the uniform bore of bottom portion of groove distribution is bar hole or circular hole, Kong Kuan
3-7 millimeters；Bottom is evenly distributed the flexible silicone rubber sealing gasket (2) of through hole, and the shape of sealing gasket is relative with the groove shapes
Should, the thickness of sealing gasket is 3-8 millimeters, and the uniform through bore of bottom distribution is bar hole or circular hole, and hole is wide 3-7 millimeters；
Blow-down pipe (201) and evacuation chamber with being connected in cavity are provided with one end of the evacuation chamber and takes out negative tube (202)；
The water tank is a cavity, is provided with one end of the water tank and takes out negative tube with the water tank being connected in cavity
(203) and drainpipe (204), it is provided with the evacuation tube (205) with being connected in cavity in the relative other end；
Evacuate chamber and take out negative tube (202) and take out negative tube (203) with water tank and be connected；Evacuation tube (205) is connected with vavuum pump；
The interior membranous type Metal Palladium/porous carrier compound film tube (6) to be washed is multi-channel type Metal Palladium/ceramic composite membrane
Pipe, the number of active lanes and shape of carrier are not limited, and the length and diameter ratio of carrier are 1-30.
2. device according to claim 1, it is characterised in that：Fixed support (207) is provided with the bottom of the water tank.
3. device according to claim 1, it is characterised in that：The logarithm of the monosymmetric bolt (208) is two pairs
More than, and in groove (1) both sides Unequal distance or be equally spaced.
4. device according to claim 1, it is characterised in that：The described bolt (208) for being distributed in groove both sides, bolt
For full thread structure, two symmetrical bolts, at a distance of 60-80 millimeters, are highly 20-30 millimeters, and external diameter is 6-8 millimeters.
5. device according to claim 1, it is characterised in that：The fastening gasket (4) is several font structures, middle circular arc
Radius is 16-18 millimeters, and the plane that circular arc two ends stretch out is provided with perforate, and aperture is 6.5-8.5 millimeters, and pitch-row is 60-
80 millimeters, the width of the fastening gasket is 18-25 millimeters, and thickness is 2.0-2.5 millimeters.
6. device according to claim 1, it is characterised in that：Described one end for evacuating chamber (3) provided with blow-down pipe (201) and
Negative tube (202) is taken out, wherein taking out cavity inside size and being：It is long 950-1050 millimeters, it is wide 60-90 millimeters, it is high 30-40 millimeters；Its
Middle blow-down pipe is used to discharge negative pressure, take out negative tube be used for connect evacuation chamber and water tank (206)；
One end of the water tank (206) is provided with the relative other end and taken out provided with negative tube (203) and drainpipe (204) is taken out
Blank pipe (205), is provided with support (207), the bottom of wherein water tank is an inclined-plane in the bottom of water tank, close to drainpipe one end
It is that inclined-plane is high-end close to evacuation tube one end for inclined-plane low side；The inside dimension of wherein water tank is：It is long 950-1050 millimeters, it is wide
It is 60-90 millimeters, high 60-90 millimeters；Wherein take out negative tube be used for connect evacuate chamber and water tank, drainpipe is for discharging water tank
Interior scrub raffinate, evacuation tube is used to connect vavuum pump；Its medium-height trestle is used to supporting and fixing negative pressure wash mill；
The described blow-down pipe (201) for being used to discharge negative pressure, its one end is connected with evacuating chamber, and the other end is connected with control valve；Institute
Being used for of stating connect evacuate chamber and water tank (206) take out negative tube (202), its one end is connected with evacuating chamber, and the other end is logical
Heavy wall silica gel hose is crossed with the negative tube (203) of taking out of water tank to be connected；
It is described be used to connecting evacuate chamber and water tank take out negative tube, its one end is connected with water tank, and the other end passes through heavy wall
Silica gel hose is connected with evacuating the negative tube of taking out of chamber；The described drainpipe for being used to discharge scrub raffinate in water tank, its one end
It is connected with water tank, the other end is connected with control valve；The described evacuation tube for being used to connect vavuum pump, its one end and water tank
It is connected, the other end is connected by heavy wall silicone tube with vavuum pump.
7. device according to claim 1, it is characterised in that：The vacuum degree control of described negative pressure washing for-
0.02MPa--0.04MPa；Cleaning solution is deionized water, and temperature is normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542021.1A CN104607049B (en) | 2013-11-04 | 2013-11-04 | A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542021.1A CN104607049B (en) | 2013-11-04 | 2013-11-04 | A kind of negative pressure wash mill of interior membranous type metal palladium-based composite membrane porous carrier |
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| CN104607049A CN104607049A (en) | 2015-05-13 |
| CN104607049B true CN104607049B (en) | 2017-10-13 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52156176A (en) * | 1976-06-22 | 1977-12-26 | Ishikawajima Harima Heavy Ind Co Ltd | Surface washing method of liquid treating membrane |
| CN101284213A (en) * | 2008-05-30 | 2008-10-15 | 北京汉青天朗水处理科技有限公司 | Method and apparatus for cleaning film separation equipment |
| CN201744307U (en) * | 2010-05-13 | 2011-02-16 | 蓝十字生物药业（北京）有限公司 | Membrane cleaning device |
| CN202224072U (en) * | 2011-08-18 | 2012-05-23 | 郑州银科尔科技有限公司 | High-efficiency self-cleaning jet flow membrane device |
| CN202237816U (en) * | 2011-08-18 | 2012-05-30 | 郑州银科尔科技有限公司 | Efficient self-cleaning membrane separation and purification device |
| CN103007754A (en) * | 2012-12-22 | 2013-04-03 | 郑州银科尔科技有限公司 | Multiphase homodromous flow membrane separation device and technology |
-
2013
- 2013-11-04 CN CN201310542021.1A patent/CN104607049B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52156176A (en) * | 1976-06-22 | 1977-12-26 | Ishikawajima Harima Heavy Ind Co Ltd | Surface washing method of liquid treating membrane |
| CN101284213A (en) * | 2008-05-30 | 2008-10-15 | 北京汉青天朗水处理科技有限公司 | Method and apparatus for cleaning film separation equipment |
| CN201744307U (en) * | 2010-05-13 | 2011-02-16 | 蓝十字生物药业（北京）有限公司 | Membrane cleaning device |
| CN202224072U (en) * | 2011-08-18 | 2012-05-23 | 郑州银科尔科技有限公司 | High-efficiency self-cleaning jet flow membrane device |
| CN202237816U (en) * | 2011-08-18 | 2012-05-30 | 郑州银科尔科技有限公司 | Efficient self-cleaning membrane separation and purification device |
| CN103007754A (en) * | 2012-12-22 | 2013-04-03 | 郑州银科尔科技有限公司 | Multiphase homodromous flow membrane separation device and technology |
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