CN202315427U - Catalyst forming pretreatment device adopting plate tower and catalyst forming system - Google Patents
Catalyst forming pretreatment device adopting plate tower and catalyst forming system Download PDFInfo
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- CN202315427U CN202315427U CN2011203268979U CN201120326897U CN202315427U CN 202315427 U CN202315427 U CN 202315427U CN 2011203268979 U CN2011203268979 U CN 2011203268979U CN 201120326897 U CN201120326897 U CN 201120326897U CN 202315427 U CN202315427 U CN 202315427U
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Abstract
The utility model relates to a catalyst forming pretreatment device adopting a plate tower and a catalyst forming system. The utility model relates to the catalyst forming pretreatment device adopting the plate tower. The catalyst forming pretreatment device comprises the plate tower, downcomers and a vacuum pumping system, wherein the plant tower is provided with a catalyst slurry inlet, a catalyst slurry outlet, at least two tower plates and gas passages; the catalyst slurry inlet is formed at the top of the plate tower; the catalyst slurry outlet is formed at the bottom of the plate tower; the tower plates are transversely arranged inside the plate tower; each tower plate is provided with an inlet end and an outlet end which are mutually opposite; a downflow weir is arranged at each outlet end; a liquid receiving area is arranged at each inlet end; the gas passages are arranged between the liquid receiving areas and the downflow weirs and are used for ensuring gas to pass through the tower plates from bottom to top; the downcomers are arranged above the liquid receiving areas of the corresponding tower plates; and the vacuum pumping system is connected to the top of the plate tower. After catalyst slurry to be formed, which is treated by the pretreatment device, is formed, the catalyst strength is obviously improved.
Description
Technical field
The utility model provides a kind of shaping of catalyst pretreating device and shaping of catalyst system, more specifically, is that a kind of plate column that adopts is treated device and shaping of catalyst system that the preformed catalyst slip is bled.
Background technology
The development of chemical industry depends on the exploitation of catalyst to a great extent, wherein is again that gas phase, catalyst are the gas-solid heterogeneous catalysis process of solid phase with the reactant, in chemical industry, uses more general.Concerning a kind of industrial heterogeneous catalyst, must possess the following aspects performance: active good; Selectivity is high; Activity stabilized, long service life; Has suitable physical and chemical performance (specific area, pore volume, aperture etc.); Has necessary strength (crushing strength, tear strength); Suitable shape (particle diameter or size distribution) is arranged.Above-mentioned each item catalyst serviceability all has relation in various degree with the shaping of catalyst process.
The industrial chemicals that Catalyst Production needs is of a great variety, and the preparation process is complicated.Sometimes, laboratory research tentatively obtain have excellent activity, catalyst optionally, when the expanding test scale, but find catalyst cracked or efflorescence easily in the process of the test; Active component comes off; Cause the reaction unit resistance to increase, heat transfer situation worsens, and perhaps causes catalyst to carry loss.At this moment often need update the prescription and the moulding process of catalyst again, till making the catalyst that is fit to the industrial reaction requirement.In industrial operation, the example that causes device to stop because of the catalyst strength difference also is of common occurrence.
Fact proved; Shaping of catalyst is one of important step of industrial catalyst preparation section, and concerning the solid catalyst that gas-solid reaction is used, forming operation also is essential step usually; So, both at home and abroad moulding as one of important content that improves catalyst performance.Catalyst just can provide the beaded catalyst of suitable shape, size and mechanical strength according to catalytic reaction and reaction unit requirement through processing and forming, and the activity and the selectivity that catalyst are given full play to had, prolongation catalyst service life.
Yet the various molding modes of present catalyst such as compression forming, extrusion molding, rotational forming, spray shaping and other various molding modes are not all treated the moulding slip and are carried out preceding degassing processing.Because air is got among the slip; As prepare processes such as stirring in the process, grinding, screening and all can make a large amount of air dissolves wherein; That solid dissolving air has wherein weakened greatly is solid-between and intermolecular force between solid-liquid, cause slip tack to be formed, compendency reduction.
Therefore, the pretreating device that needs the high shaping of catalyst of a kind of reliable, cheap, practical, environmental friendliness and automaticity.
The utility model content
The utility model relates to a kind of shaping of catalyst pretreating device that adopts plate column, comprising:
Plate column has:
Catalyst pulp enters the mouth, and is arranged on the top of plate column;
Catalyst pulp exports, and is arranged on the bottom of plate column;
At least two column plates are horizontally installed on the inside of plate column, and each column plate has:
The entrance point respect to one another and the port of export, the port of export is provided with downflow weir, and entrance point is provided with liquid receiving area; And
Gas passage is arranged between liquid receiving area and the downflow weir, and supplied gas is passed column plate from bottom to top;
Downspout is arranged on above the liquid receiving area of each column plate;
Pumped vacuum systems is connected to the top of plate column.
Preferably, column plate is a sieve plate, and gas passage is a sieve aperture.
Preferably, the aperture of sieve aperture is 0.1～8mm.
Preferably, gas passage is the pipeline that projects upwards the surface of column plate.
Preferably, has gap h between the column plate of the bottom of downspout and its below
0, the height h of downflow weir
wGreater than gap h
0
Preferably, the height h of downflow weir
wWith gap h
0Poor h
w-h
0>=6mm.
Preferably, further comprise: blowdown system is connected in the top of plate column.
Preferably, the port of export of the downspout UNICOM upper level column plate between the column plate and the entrance point of next stage column plate, the downspout that is positioned at top links to each other with the catalyst pulp inlet.
The utility model also relates to a kind of shaping of catalyst system, comprising:
The shaping of catalyst pretreating device of the employing plate column of the utility model; And
The shaping of catalyst device is connected to the shaping of catalyst pretreating device.
Preferably, the shaping of catalyst device is selected from the group that compression-molding apparatus, extrusion molding apparatus, rotational forming device and spray shaping device are formed.
Adopt the catalyst slurry to be formed after this pretreating device is handled, obviously improve through moulding rear catalyst intensity.
Description of drawings
Fig. 1 is the sketch map of a kind of preferred implementation of the utility model device.
The specific embodiment
In the utility model, " with ... link to each other " or " being connected to " or " connections ", both can be that the two directly links to each other, also can across common parts or device (for example valve, pump, heat exchanger etc.) links to each other or connection.
In the utility model, under the situation of not contradiction or conflict, all embodiment of the present invention, embodiment and characteristic can make up each other.
In the utility model, all units, parts etc. both can be purchased, also can be according to content self-control disclosed by the invention.
In the utility model, for outstanding emphasis of the present invention, the omission that some conventional operations and unit, parts are carried out, or only do simple description.
The utility model purpose is: the pretreating device that the high shaping of catalyst of a kind of reliable, cheap, practical, environmental friendliness and automaticity is provided.
The utility model provides a kind of pretreating device of shaping of catalyst.
The utility model is that a kind of plate column that adopts is treated the device that the preformed catalyst slip is bled.This device has that the gas separative efficiency is high, production capacity is big, operating flexibility is big, air resistance is little, advantages of simple structure and simple, adopts the catalyst slurry to be formed after this apparatus processes, obviously improves through moulding rear catalyst intensity; This apparatus structure is simple in addition, and is easy to maintenance, cheap, and operation is simple and reliable, reduced the synthetic cost of catalyst.
The utility model purpose is: the pretreating device that the high shaping of catalyst of a kind of reliable, cheap, practical, environmental friendliness and automaticity is provided.
The utility model relates in one aspect to the shaping of catalyst pretreating device, especially adopts the shaping of catalyst pretreating device of plate column.
The shaping of catalyst pretreating device of the utility model comprises:
Plate column has:
Catalyst pulp enters the mouth, and is arranged on the top of plate column;
Catalyst pulp exports, and is arranged on the bottom of plate column;
At least two column plates are horizontally installed on the inside of plate column, and each column plate has:
The entrance point respect to one another and the port of export, the port of export is provided with downflow weir, and entrance point is provided with liquid receiving area; And
Gas passage is arranged between liquid receiving area and the downflow weir, and supplied gas is passed column plate from bottom to top;
Downspout is arranged on above the liquid receiving area of each column plate;
Pumped vacuum systems is connected to the top of plate column.
The shaping of catalyst pretreating device of the utility model comprises:
Plate column has:
Catalyst pulp enters the mouth, and is arranged on the top of plate column;
Catalyst pulp exports, and is arranged on the bottom of plate column;
At least two column plate layers are arranged on the inside of plate column, and each column plate layer has the column plate of horizontally set, downflow weir and the downspout that vertically is provided with, and column plate is provided with the gas passage supplied gas and passes column plate from bottom to top;
Wherein, the downspout of the downflow weir of each column plate and this column plate top is oppositely arranged;
Pumped vacuum systems is connected to the top of plate column.
Plate column is known in this area.For example, plate column can be the structure that is similar to plate distillation column.
Tower plate structure in the plate column is known in this area, and for example, the tower plate structure in the plate column can be the tower plate structure of plate distillation column.
Preferably, the tower plate structure in the plate column is identical or similar with the tower plate structure of plate distillation column.Preferably, each column plate layer setting interlaced with each other in the plate column forms identical with plate distillation column or similar tower plate structure.
Preferably, plate column has: at least two column plate layers, be arranged on the inside of plate column, and each column plate layer has: the column plate of horizontally set, have the relative entrance point and the port of export, the port of export is provided with downflow weir, and entrance point is provided with liquid receiving area; Be provided with the gas passage district between liquid receiving area and the downflow weir.Preferably, two of adjacent two column plates ports of export are relative.
Preferably, plate column is a sieve-plate tower.In this case, column plate is a sieve plate.Offer a plurality of apertures (being called " sieve aperture ") on the sieve plate equably.The aperture of sieve plate sieve aperture is 0.1～8mm, is preferably 0.5～2mm.
In another preferred embodiment, the gas passage district is the pipeline that projects upwards tray surfaces.
Column plate is horizontally installed on the inside of plate column.Preferably, column plate comprises liquid receiving area and gas channel region.The liquid receiving area of column plate is corresponding with the downspout that is positioned at this column plate top.That is to say that the liquid receiving area of column plate is positioned at the entrance point of this column plate.The port of export of column plate is provided with downflow weir.Therefore, the liquid receiving area of column plate and downflow weir are oppositely arranged.Preferably, gas passage (for example sieve aperture) is not set in the liquid receiving area.The gas passage district is positioned between liquid receiving area and the downflow weir.Be provided with the gas passage supplied gas in the gas passage district and pass column plate from bottom to top.Preferably, column plate can also comprise: Anding District, and between gas passage district and downflow weir.The effect of Anding District is that the foam liquid phase that contains of avoiding a large amount of gets into downspout.
The port of export of column plate is provided with downflow weir.The downflow weir that is arranged on the port of export of column plate is called outer weir or exit weir again, and its effect is that certain liquid layer is arranged on the retaining plate, and makes flow even.To the uniflow type column plate, general long lw in weir and the ratio lw/D of tower diameter D are 0.6～0.8; For double discharge type, l
w/ D is 0.5～0.7.The height of downflow weir is relevant with the height of liquid layer on column plate form and the plate.For sieve plate, overflow height of weir h
w=6～15mm, for example 10mm.Preferably, height of weir plate h
wBe 1～40mm, be preferably 5～20mm; More preferably 6～15mm, for example 10mm.Except the port of export of column plate, other neighborings of column plate are bonded on the inwall of plate column.
Downspout is the passage that liquid flows between column plate, also is the place that the gas carried secretly in the overflowing liquid is able to separate.In view of shape, downspout can be divided into chord downcomer and circular downeomer.Chord downcomer, the zone, gross section between weir and the wall is applicable to that all as falling liquid space the column plate area utilization is the highest in the bigger tower of diameter, but tower diameter hour making welding inconvenience.Circular downeomer is made easier for trourelle, but the downspout flow area is less, does not have the bubble in enough apart overflows, and gas phase is carried secretly seriously, is not suitable for flow and reaches the material that is prone to foaming greatly.For the utility model, preferably adopt chord downcomer.The port of export of the downspout UNICOM upper level column plate between the column plate and the entrance point of next stage column plate, the downspout that is positioned at top links to each other with the catalyst pulp inlet.
Be positioned between downspout bottom (lower end) and the column plate of column plate top and have gap h
0The height h of the downflow weir of column plate
wGreater than gap h
0Preferably, outer height of weir degree h
wWith gap h
0Poor h
w-h
0>=6mm.Preferably, the gap h between downspout bottom and next piece column plate
0Should be as far as possible than outer height of weir h
wMore than the little 6mm.In addition, h
0Also should be enough high, stop up to avoid rust bits and other impurity, or, cause liquid flooding because of installation deviation makes flow not smooth.
Catalyst pulp enters the mouth, and is arranged on the top of plate column.The catalyst pulp inlet is used to feed catalyst pulp to be formed.
Catalyst pulp exports, and is arranged on the bottom of plate column; The catalyst pulp outlet is used to discharge the catalyst pulp to be formed after bleeding.
According to the pretreating device of the utility model, pumped vacuum systems is connected to plate column.Pumped vacuum systems can with the plate column fluid communication, be used for extracting the gas of catalyst slurry to be formed.Preferably, pumped vacuum systems is connected in the top of plate column, for example is connected in the top of plate column.
The pretreating device of the utility model further comprises: blowdown system is connected to plate column.Blowdown system can with the plate column fluid communication.Blowdown system can guarantee the safety of plate column.Preferably, blowdown system is connected in the top of plate column, for example is connected in the top of plate column.
The pretreating device of the utility model further comprises: the pressure indication mechanism is connected to plate column.The pressure indication mechanism can with the plate column fluid communication.The pressure indication mechanism is used to show plate column vacuum.Preferably, the pressure indication mechanism is connected in the top of plate column, for example is connected in the top of plate column.
The utility model provides a kind of shaping of catalyst pretreating device.Comprise with lower component: (1) one is used to treat the plate column that the preformed catalyst slip is bled; (2) one covers are connected in the pumped vacuum systems that plate column is used for extracting catalyst slurry gas to be formed; (3) one covers are used for the pressure indication mechanism of display board formula tower vacuum; (4) one covers are connected in plate column and are its safe blowdown system of assurance; Catalyst slurry to be formed squeezed in the plate column feed pump that supplies to vacuumize processing for (5) one; (6) one covers are placed in downspout, sieve plate, downflow weir in the plate column.This device is applicable to the pre-treatment of the various molding modes of catalyst, like compression forming, extrusion molding, rotational forming, spray shaping and other various molding modes.
Preferably, the sieve plate screen-aperture is 0.1～8mm, is preferably 0.5～2mm.
Preferably, height of weir plate is 1～40mm, is preferably 5～20mm.
Preferably, during operation, vacuum is 0～-1.01 * 10
5Pa, preferred 0.91 * 10
5～-1.01 * 10
5Pa.
Preferably, operating temperature is 10 ℃～80 ℃, preferred 20 ℃～50 ℃.
Preferably, during operation, the time 0h～48h that bleeds, preferred 0h～5h.
The utility model also relates to a kind of shaping of catalyst system, comprising:
The shaping of catalyst pretreating device of the utility model; And
The shaping of catalyst device is connected to the shaping of catalyst pretreating device.
The shaping of catalyst device is used to make the catalyst slurry moulding.Preferably, the shaping of catalyst device is selected from the group of compression-molding apparatus, extrusion molding apparatus, rotational forming device, spray shaping device composition.
Embodiment below in conjunction with 1 pair of the utility model of the utility model accompanying drawing further describes, so that those skilled in the art's understanding, but therefore the utility model does not receive any restriction.
As shown in Figure 1, the pretreating device of the shaping of catalyst of the utility model comprises plate column 100, pumped vacuum systems 300.Plate column 100 has catalyst pulp inlet 110 and catalyst pulp outlet 120.Catalyst pulp inlet 110 is arranged on the top of plate column 100, is used to feed catalyst pulp 610 to be formed.Catalyst pulp outlet 120 is arranged on the bottom of plate column 100, is used to discharge the catalyst pulp to be formed 620 after bleeding.
Column plate 210 is horizontally installed on the inside of plate column.As shown in Figure 1, column plate comprises liquid receiving area and gas channel region.The liquid receiving area of column plate 210 is corresponding with the downspout 220 that is positioned at these column plate 210 tops, is positioned at the below of downspout 220.That is to say that the liquid receiving area of column plate 210 is positioned at the entrance point of this column plate 210.The port of export of column plate 210 is provided with downflow weir 230.Therefore, the liquid receiving area of column plate 210 and downflow weir 230 are oppositely arranged.As shown in Figure 1, gas passage (for example sieve aperture) is not set in the liquid receiving area.The gas passage district is positioned between liquid receiving area and the downflow weir 230.Be provided with gas passage (sieve aperture as shown in the figure) supplied gas in the gas passage district and pass column plate from bottom to top.Preferably, column plate 210 can also comprise: Anding District, and between gas passage district and downflow weir.The effect of Anding District is that the foam liquid phase that contains of avoiding a large amount of gets into downspout.Column plate shown in the figure is a sieve plate.Offer a plurality of apertures (being called " sieve aperture ") in the gas passage district on the sieve plate 210 (sieve aperture district) equably.The aperture of sieve aperture is 0.1～8mm, is preferably 0.5～2mm.
Pumped vacuum systems 300 is connected to plate column 100.Pumped vacuum systems 300 can with plate column 100 fluid communication, be used for extracting the gas of catalyst slurry to be formed.Preferably, pumped vacuum systems 300 is connected in the top of plate column 100, for example is connected in the top of plate column 100.
The pretreating device of the utility model may further include: blowdown system 400 is connected to plate column 100.Blowdown system 400 can with plate column 100 fluid communication.Blowdown system 400 can guarantee the safety of plate column 100.Preferably, blowdown system 400 is connected in the top of plate column 100, for example is connected in the top of plate column 100.
The pretreating device of the utility model may further include: pressure indication mechanism 500 is connected to plate column.Pressure indication mechanism 500 can with plate column 100 fluid communication.Pressure indication mechanism 500 is used to show plate column 100 vacuums.Preferably, pressure indication mechanism 500 is connected in the top of plate column, for example is connected in the top of plate column 100.
After catalyst pulp 610 pumps to be formed being fed the downspout 220 of the superiors' column plate of plate column 100; Slip is flowed through by downspout 220 and is got into next layer sieve plate 210 through downflow weir 230 backs again behind the sieve plate 210; So go on; The gas that is dissolved in wherein in this process is drawn out of, and the catalyst slurry to be formed 620 after bleeding is carried out moulding again.Be connected in the top (being connected in the top of plate column 100) of plate column 100 because of pumped vacuum systems 300; The gas of the catalyst pulp below being arranged in is after catalyst pulp is extracted out; The gas passage that passes each column plate 210 rises, thereby forms uprising gas 630 (shown in Fig. 1 arrow).
Because of catalyst pulp 610 to be formed each column plate 210 of flowing through, on column plate 210, form the thin catalyst slurry bed of material, help the deviating from of gas in the catalyst pulp.Owing to be provided with a plurality of column plates 210, can increase the contact area of catalyst pulp and air greatly.In addition, in degasification process, catalyst pulp 610 flows on column plate 210, can further promote gas from catalyst pulp 610, to overflow, and has excellent gas removal effect.Like this, impel gas to overflow with regard to need not other mixing plant from catalyst pulp.The scheme of the utility model has been practiced thrift energy consumption, has reduced running cost.
Beneficial effect:
1. this device has that the gas separative efficiency is high, production capacity is big, operating flexibility is big, air resistance is little, advantages of simple structure and simple, adopts the catalyst slurry to be formed after this apparatus processes, obviously improves through moulding rear catalyst intensity;
2. this apparatus structure is simple, and is easy to maintenance, cheap, and operation is simple and reliable, reduced the synthetic cost of catalyst.
Embodiment below in conjunction with 1 pair of the utility model of the utility model accompanying drawing further describes, so that those skilled in the art's understanding, but therefore the utility model does not receive any restriction.
The practical implementation step is following:
(1) plate column is connected pipeline by the layout of Fig. 1, and install members such as downspout, sieve plate, downflow weir, selecting plate column sieve plate screen-aperture is 1mm, and height of weir plate is 10mm, and plate column is selected the multilayer sieve plate as required.
(2) pressure indication mechanism and pumped vacuum systems are connected in plate column top through pipeline,, blowdown system are connected in plate column top for safety.
(3) behind the downspout with the above-mentioned the superiors' column plate that feeds plate column through feed pump; Slip is flowed through behind the sieve plate again through getting into next layer sieve plate behind the downflow weir by downspout; So go on; The gas that is dissolved in wherein in this process is drawn out of, and the catalyst slurry to be formed after bleeding is carried out moulding again.Can take different forming methods as required, like compression forming, extrusion molding, rotational forming, spray shaping and other various molding modes.
(4) catalyst after the above-mentioned moulding is carried out post processing, as carry out work such as roasting, screening, obtain the catalyst finished product.
Embodiment
Put up plate column air extractor as shown in Figure 1, selecting plate column sieve plate screen-aperture is 1mm, and height of weir plate is 10mm.
Take by weighing an amount of SAPO-34 molecular sieve, water, binding agent and carrier respectively and be prepared into the slip of the moulding of waiting to spray; 6 groups of slurries numbering of measuring 200ml respectively is respectively 1#, 2#, 3#, 4#, 5#, 6#, and sets 1# and 2# is one group, and 3# and 4# are one group; 5# and 6# are one group; Every group of respectively ageing 0h, 2h, 24h, then with the direct spray drying forming of sample 1#, 3#, 5# after the ageing, with the sample 2# after the ageing, 4#, 6# respectively in this device-vacuumize 30min under the 0.95atm; And then spray drying forming, again 1#～6# sample is carried out wear test.
Test result is shown in Table 1.
Table 11#～6# wear test is contrast table as a result
Annotate: catalyst abrasion intensity adopts two-tube abrasion index analyzer to measure.
Wear rate=[(W
1-W
0)/W
S]/4;
W wherein
S=W
2+ W
1-W
0
Wherein:
W
0The empty bag of expression collecting bag weight, unit: g;
W
1Expression wearing and tearing collecting bag gross weight after 4 hours, unit: g;
W
2Catalyst weight in the developmental tube after expression was worn and torn 4 hours, unit: g;
W
S4 hours rear catalyst gross weights of expression wearing and tearing, unit: g.
Can find out that be improved significantly through the preformed catalyst sample wearability after the vacuum outgas, this also proves the validity of this device.
Certainly, the utility model also can have other specific embodiment, and the preferred implementation that the above is merely the utility model is not the protection domain that is used for limiting the utility model; Under the situation that does not deviate from the utility model spirit, those of ordinary skills are every to make various corresponding variations and modification according to the utility model content, all belongs to the protection domain of the claim of the utility model.
Claims (10)
1. a shaping of catalyst pretreating device that adopts plate column is characterized in that, comprising:
(A) plate column has:
(A1) catalyst pulp enters the mouth, and is arranged on the top of said plate column;
(A2) catalyst pulp exports, and is arranged on the bottom of said plate column;
(A3) at least two column plates are horizontally installed on the inside of said plate column, and each column plate has:
(A31) entrance point respect to one another and the port of export, the said port of export is provided with downflow weir, and said entrance point is provided with liquid receiving area; And
(A33) gas passage is arranged between said liquid receiving area and the said downflow weir, and supplied gas is passed said column plate from bottom to top;
(A4) downspout is arranged on above the said liquid receiving area of each column plate;
(B) pumped vacuum systems is connected to the top of said plate column.
2. the shaping of catalyst pretreating device of employing plate column according to claim 1 is characterized in that said column plate is a sieve plate, and said gas passage is a sieve aperture.
3. the shaping of catalyst pretreating device of employing plate column according to claim 2 is characterized in that, the aperture of said sieve aperture is 0.1～8mm.
4. the shaping of catalyst pretreating device of employing plate column according to claim 1 is characterized in that, said gas passage is the pipeline that projects upwards the surface of said column plate.
5. the shaping of catalyst pretreating device of employing plate column according to claim 1 is characterized in that, has gap h between the column plate of the bottom of said downspout and its below
0, the height h of said downflow weir
wGreater than said gap h
0
6. the shaping of catalyst pretreating device of employing plate column according to claim 5 is characterized in that, the height h of said downflow weir
wWith said gap h
0Poor h
w-h
0>=6mm.
7. the shaping of catalyst pretreating device of employing plate column according to claim 1 is characterized in that, further comprises: (C) blowdown system is connected in the top of said plate column.
8. the shaping of catalyst pretreating device of employing plate column according to claim 1; It is characterized in that; The port of export of the downspout UNICOM upper level column plate between the said column plate and the entrance point of next stage column plate, the downspout that is positioned at top links to each other with said catalyst pulp inlet.
9. a shaping of catalyst system is characterized in that, comprising:
Shaping of catalyst pretreating device according to each described employing plate column of claim 1 to 8; And
The shaping of catalyst device is connected to said shaping of catalyst pretreating device.
10. shaping of catalyst according to claim 9 system is characterized in that, said shaping of catalyst device is selected from the group that compression-molding apparatus, extrusion molding apparatus, rotational forming device and spray shaping device are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203268979U CN202315427U (en) | 2011-09-01 | 2011-09-01 | Catalyst forming pretreatment device adopting plate tower and catalyst forming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203268979U CN202315427U (en) | 2011-09-01 | 2011-09-01 | Catalyst forming pretreatment device adopting plate tower and catalyst forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202315427U true CN202315427U (en) | 2012-07-11 |
Family
ID=46427430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203268979U Expired - Lifetime CN202315427U (en) | 2011-09-01 | 2011-09-01 | Catalyst forming pretreatment device adopting plate tower and catalyst forming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202315427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653099A (en) * | 2022-04-20 | 2022-06-24 | 云南电网有限责任公司电力科学研究院 | Oil purifying device |
-
2011
- 2011-09-01 CN CN2011203268979U patent/CN202315427U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653099A (en) * | 2022-04-20 | 2022-06-24 | 云南电网有限责任公司电力科学研究院 | Oil purifying device |
| CN114653099B (en) * | 2022-04-20 | 2024-03-19 | 云南电网有限责任公司电力科学研究院 | Oil purifying device |
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