CN113181972A - Circulation dipping system of catalyst carrier and liquid raw materials - Google Patents
Circulation dipping system of catalyst carrier and liquid raw materials Download PDFInfo
- Publication number
- CN113181972A CN113181972A CN202110459569.4A CN202110459569A CN113181972A CN 113181972 A CN113181972 A CN 113181972A CN 202110459569 A CN202110459569 A CN 202110459569A CN 113181972 A CN113181972 A CN 113181972A
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- liquid
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- filtering cavity
- reaction kettle
- box body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
Abstract
The invention discloses a circulating impregnation system of a catalyst carrier and a liquid raw material, which structurally comprises an intermediate box body and a filtering cavity arranged at the bottom of a reaction kettle, wherein the top of the reaction kettle is provided with a plurality of liquid inlet pipes positioned at the top of the filtering cavity, the liquid inlet pipes are communicated with the inside of the filtering cavity, the intermediate box body is positioned below the reaction kettle, a first communication pipe is arranged between the liquid inlet pipes and the intermediate box body, a liquid pump is arranged between the first communication pipe and the intermediate box body, a second communication pipe is arranged between a liquid outlet and the intermediate box body, a plurality of thermocouples penetrate through the inside of the reaction kettle from top to bottom, a controller is arranged on the liquid pump, a flow velocity sensor is arranged on the first communication pipe, a flow sensor is arranged on the second communication pipe, and the thermocouples, the flow velocity sensor and the flow sensor are all electrically connected with the controller, so that the saturation of the catalyst carrier on the liquid raw material is ensured, but also improves the accuracy of judging the saturated dipping result.
Description
The technical field is as follows:
the invention relates to the technical field of catalyst production, in particular to a circulating impregnation system for a catalyst carrier and a liquid raw material.
Background art:
in the production process of the catalyst, under the condition that the requirement on the chlorine content is high, a liquid raw material and catalyst carrier particles (spherical or strip-shaped) need to be subjected to supersaturation impregnation reaction to fix chlorine on a catalyst carrier, the impregnation process usually needs to be carried out in a closed fixed container protected by nitrogen, at present, the liquid raw material and the catalyst are usually impregnated in the fixed container, however, the catalyst particles are high in stacking ratio and compact in catalyst carrier, a liquid flow direction short circuit may exist to cause that the catalyst particles are difficult to be sufficiently impregnated in the liquid raw material, and in the impregnation process of the liquid raw material and the catalyst particles, the saturation of the catalyst particle impregnation is usually judged manually and the judgment accuracy is poor.
The invention content is as follows:
it is an object of the present invention to provide a system for the cyclic impregnation of a catalyst support and a liquid feedstock that solves one or more of the above mentioned problems of the prior art.
In order to solve the technical problems, the invention provides a circulating impregnation system of a catalyst carrier and a liquid raw material, which structurally comprises a reaction kettle, wherein a feeding port is arranged at the top of the reaction kettle, a liquid discharge port and a discharge port are arranged at the bottom of the reaction kettle, and the circulating impregnation system is characterized in that: the structure of the reaction kettle also comprises an intermediate box body and a filtering cavity arranged at the bottom of the reaction kettle, wherein the bottom of the filtering cavity is communicated with a discharge port, a liquid outlet is positioned below the filtering cavity, the top of the filtering cavity is communicated with a feed port, the top of the reaction kettle is provided with a plurality of liquid inlet pipes positioned at the top of the filtering cavity, the liquid inlet pipes are communicated with the inside of the filtering cavity, the intermediate box body is positioned below the reaction kettle, a first communicating pipe is arranged between the plurality of liquid inlet pipes and the intermediate box body, a liquid suction pump is arranged between the first communicating pipe and the intermediate box body, a second communicating pipe is arranged between the liquid outlet and the intermediate box body, and the intermediate;
a plurality of thermocouples penetrate through the inside of the reaction kettle from top to bottom, a controller is arranged on the liquid pump, a flow velocity sensor is arranged on the first communicating pipe, a flow sensor is arranged on the second communicating pipe, and the thermocouples, the flow velocity sensor and the flow sensor are all electrically connected with the controller.
Furthermore, the filtering cavity is conical, the filtering cavity is arranged at the bottom of the reaction kettle in an inverted mode, the bottom of a cone of the filtering cavity is communicated with the inside of the reaction kettle, and the top of the cone of the filtering cavity is communicated with the discharge hole.
Furthermore, a conical filtering screen is laid on the inner side wall of the filtering cavity, a plurality of filtering holes are uniformly distributed on the side wall of the filtering cavity, and the aperture of the filtering screen is larger than that of the filtering holes.
Furthermore, the structure of the invention also comprises a rotary driving piece, an annular plate is arranged at the joint of the bottom of the cone of the filtering cavity and the reaction kettle, the annular plate can rotatably surround the outer side of the reaction kettle, a rotary bearing is arranged at the joint of the top of the cone of the filtering cavity and the discharge hole, and the rotary driving piece acts on the annular plate to enable the filtering cavity to slowly rotate in the reaction kettle.
Furthermore, the rotary driving piece comprises a driving motor and helical teeth arranged on the circumferential surface of the annular plate, a driving gear is arranged at the output end of the driving motor, the diameter of the driving gear is smaller than that of the annular plate, and the driving gear is meshed with the helical teeth.
Furthermore, the inside of above-mentioned discharge gate establishes the dead lever of L type, and the minor face of dead lever is fixed on the lateral wall of discharge gate, and the long limit of dead lever extends and puts at the inside central point of filter chamber, and the long limit from the top down of dead lever distributes and has a plurality of branch material leaves.
Further, the top of above-mentioned reation kettle is equipped with the air inlet, and the air inlet is located and filters the cavity directly over, and reation kettle's bottom is equipped with the gas outlet, and the gas outlet is located and filters the below of cavity.
Furthermore, a plurality of liquid outlet holes are formed in the liquid inlet pipe, the liquid outlet holes face the filtering cavity one by one, a vertically downward extension line of the feeding port is set as a separation line, and the liquid inlet pipes are distributed on two sides of the separation line in a left-right staggered mode from top to bottom.
Furthermore, the liquid outlet holes are all provided with inclined liquid guide plates, and the extending directions of the liquid guide plates face the separation lines.
The invention has the beneficial effects that:
1. the invention provides a circulating impregnation system for a catalyst carrier and a liquid raw material, wherein the liquid raw material permeates through the catalyst carrier to the bottom of a filter cavity, the liquid raw material permeated from the bottom of the filter cavity is discharged out of a reaction kettle from a liquid discharge port and re-enters the interior of an intermediate box body through a second communicating pipe, the liquid raw material in the intermediate box body is always in a circulating impregnation process with the catalyst carrier, and the liquid raw material is always in a circulating impregnation process in the filter cavity in a circulating flow process of the liquid raw material, so that the saturation of the catalyst carrier in the liquid raw material is improved.
2. The invention provides a circulating impregnation system of a catalyst carrier and a liquid raw material, which judges whether the liquid raw material and the catalyst carrier are saturated or not through the temperature distribution condition detected by a thermocouple and the liquid flow of a liquid discharge port, and judges whether the liquid raw material and the catalyst carrier are saturated or not through two data, so that the judgment result is more accurate.
3. The invention provides a circulating impregnation system of a catalyst carrier and a liquid raw material, wherein a flow rate sensor detects the circulating flow rate of the liquid raw material, once the flow rate of the liquid raw material is slowed in the circulating flow process of the liquid raw material, the circulating flow of the liquid raw material is reduced, at the moment, a signal needs to be transmitted to a controller, the controller firstly closes a liquid pump, then adds the liquid raw material into an intermediate box body again, and continuously opens the liquid pump, so that the continuity of the impregnation of the catalyst carrier and the liquid raw material is ensured.
4. The invention provides a circulating impregnation system for a catalyst carrier and a liquid raw material, wherein a rotary driving piece is opened in the internal circulating permeation process of the liquid raw material in a filtering cavity, the rotary driving piece drives the filtering cavity to slowly rotate in a reaction kettle, and the flowing action of the liquid raw material in the filtering cavity can be accelerated in the slow rotation process of the filtering cavity, so that the flowing short circuit of the liquid raw material in the filtering cavity is avoided, and the permeation action of the liquid raw material in the filtering cavity is improved.
Description of the drawings:
fig. 1 is a schematic side view of the present invention.
FIG. 2 is a cross-sectional view of the inner wall of the filtration chamber of the present invention.
FIG. 3 is a cross-sectional view of the bottom of the liquid inlet pipe of the present invention.
FIG. 4 is a block diagram of the connection of the annular plate and the rotary drive member of the present invention.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 to 2, a specific embodiment of the present invention is provided, which comprises a reaction vessel 101, a feed inlet 102 is provided at the top of the reaction vessel 101, a liquid outlet 103 and a discharge outlet 104 are provided at the bottom of the reaction vessel 101, the structure further comprises an intermediate tank 1 and a filtering chamber 2 provided at the bottom of the reaction vessel 101, the bottom of the filtering chamber 2 is communicated with the discharge outlet 104, the liquid outlet 103 is located below the filtering chamber 2, the top of the filtering chamber 2 is communicated with the feed inlet 102, the top of the reaction vessel 101 is provided with a plurality of liquid inlet pipes 3 located at the top of the filtering chamber 2, the liquid inlet pipes 3 are communicated with the inside of the filtering chamber 2, the intermediate tank 1 is located below the reaction vessel 101, a first communicating pipe 105 is provided between the plurality of liquid inlet pipes 3 and the intermediate tank 1, a liquid pump 200 is provided between the first communicating pipe 105 and the intermediate tank 1, a second communicating pipe 106 is provided between the liquid outlet 103 and the intermediate tank 1, a liquid filling port 11 is arranged on the middle box body 1;
a plurality of thermocouples 107 penetrate through the reaction kettle 101 from top to bottom, a controller is arranged on the liquid pumping pump 200, a flow rate sensor is arranged on the first communicating pipe 105, a flow sensor is arranged on the second communicating pipe 106, and the thermocouples 107, the flow rate sensor and the flow sensor are all electrically connected with the controller.
In the invention, the working principle of impregnating the liquid raw material and the catalyst carrier is as follows: adding a certain amount of liquid raw materials into the middle box body 1 from the liquid adding port 11, pouring catalyst carriers into the reaction kettle 101 from the material feeding port 102, accumulating the catalyst carriers in the filtering cavity 2, then opening the liquid pump 200 through the controller, pumping the liquid raw materials in the middle box body 1 into the liquid inlet pipe 3 through the first communicating pipe 105, allowing the liquid raw materials in the liquid inlet pipe 3 to enter the filtering cavity 2 and contact with the catalyst carriers, allowing the liquid raw materials to permeate to the bottom of the filtering cavity 2 through the catalyst carriers, allowing the liquid raw materials permeated from the bottom of the filtering cavity 2 to be discharged out of the reaction kettle 101 from the liquid discharging port 103 and enter the middle box body 1 again through the second communicating pipe 106, wherein the liquid raw materials in the middle box body 1 are always in a process of circularly impregnating with the catalyst carriers, and in the circulating flow process of the liquid raw materials, the liquid raw material is always in the process of circulating and permeating in the filtering cavity 2, so that the saturation of the catalyst carrier soaked in the liquid raw material is improved.
In the present invention, the judgment of whether the catalyst carrier and the liquid raw material are saturated or not is made as follows: 1. the temperature inside the filtering cavity 2 can be monitored by utilizing the performance of the thermocouple 107, and the impregnation condition between the catalyst carrier and the liquid raw material can be reflected by observing the temperature conditions of different positions inside the filtering cavity 2, so that whether the catalyst carrier is saturated and impregnated with the liquid raw material can be judged; 2. utilize flow sensor can detect the flow of the liquid raw materials of leakage fluid dram 103 position all the time, whether stable through observing the flow of the liquid raw materials of leakage fluid dram 103 position to can judge whether the catalyst carrier carries out saturation impregnation with the liquid raw materials, in view of this, judging whether saturation impregnation of liquid raw materials and catalyst carrier, the temperature distribution condition that detects through thermocouple 107 and the liquid flow of leakage fluid dram 103 judge, two data judge whether saturation impregnation of liquid raw materials and catalyst carrier, this kind of judged result is more accurate, concrete judgement process is as follows: if only one of the above-mentioned substances does not reach the standard, the controller controls the liquid pump 200 to be continuously opened, and if both substances reach the standard, the controller controls the liquid pump 200 to be closed, at this time, the liquid raw material and the catalyst carrier are fully saturated and impregnated, and then the discharge hole 104 is opened, and the catalyst carrier inside the filtering cavity 2 is discharged from the discharge hole 104.
In the invention, the flow rate sensor detects the circulation flow rate condition of the liquid raw material, and in the circulation flow process of the liquid raw material, once the flow rate of the liquid raw material is slowed, the liquid raw material which circularly flows at the moment is reduced, at the moment, a signal is required to be transmitted to the controller, the controller firstly closes the liquid pump 200, then adds the liquid raw material into the middle box body 1 again, and continuously opens the liquid pump 200, thereby ensuring the continuity of the impregnation of the catalyst carrier and the liquid raw material.
In the present invention, preferably, the filtering cavity 2 is conical, the filtering cavity 2 is arranged at the bottom of the reaction kettle 101 in an inverted manner, the bottom of the cone of the filtering cavity 2 is communicated with the inside of the reaction kettle 101, and the top of the cone of the filtering cavity 2 is communicated with the discharge hole 104.
In the present invention, as a preferable scheme, a conical filtering screen 21 is laid on the inner side wall of the filtering cavity 2, a plurality of filtering holes 22 are uniformly distributed on the side wall of the filtering cavity 2, and the aperture of the filtering screen 21 is larger than that of the filtering holes 22.
In the invention, the aperture of the filter screen 21 is smaller than the size of catalyst carrier particles, so as to play a role of holding a catalyst carrier, the filter cavity 2 plays a role of supporting the filter screen 21 as a whole, the filter holes 22 play a role of permeating liquid raw materials, and the filter holes 22 are arranged to be smaller, so that the liquid raw materials can be conveniently and fully retained in the filter cavity 2, and the liquid raw materials and the catalyst carrier can be fully saturated and impregnated.
In the invention, as a preferential scheme, the structure of the invention further comprises a rotary driving member 4, an annular plate 23 is arranged at the joint of the bottom of the cone of the filtering cavity 2 and the reaction kettle 101, the annular plate 23 can rotatably surround the outer side of the reaction kettle 101, a rotary bearing 24 is arranged at the joint of the top of the cone of the filtering cavity 2 and the discharge hole 104, and the rotary driving member 4 acts on the annular plate 23 to enable the filtering cavity 2 to slowly rotate in the reaction kettle 101.
In the invention, in the internal circulation permeation process of the liquid raw material in the filtering cavity 2, the rotary driving piece 4 is opened, the rotary driving piece 4 drives the filtering cavity 2 to slowly rotate in the reaction kettle 101, and in the slow rotation process of the filtering cavity 2, the flowing effect of the liquid raw material in the filtering cavity 2 can be accelerated, so that the short circuit of the liquid raw material flowing in the filtering cavity 2 is avoided, and the permeation effect of the liquid raw material in the filtering cavity 2 is improved.
In the present invention, it is preferable that the specific structure of the rotary drive 4 is as follows: the rotary driving member 4 comprises a driving motor 41 and helical teeth 42 arranged on the circumferential surface of the annular plate 23, the output end of the driving motor 41 is provided with a driving gear 411, the diameter of the driving gear 411 is smaller than that of the annular plate 23, and the driving gear 411 is meshed with the helical teeth 42.
In the invention, the operation principle of the rotary driving member 4 is that the driving motor 41 is used as power, the annular plate 23 is driven to rotate on the reaction kettle 101 through the meshing action of the driving gear 411 and the helical teeth 42, so as to drive the filtering cavity 2 to rotate in the reaction kettle 101, and the diameter of the annular plate 23 is larger than that of the driving gear 411, so as to reduce the transmission of the rotating speed between the driving gear 411 and the annular plate 23, so that the filtering cavity 2 slowly rotates in the reaction kettle 101.
In the present invention, as a preferred scheme, an L-shaped fixing rod 5 is disposed inside the discharge port 104, a short side of the fixing rod 5 is fixed on a side wall of the discharge port 104, a long side of the fixing rod 5 extends to a central position inside the filtering cavity 2, and a plurality of distributing blades 51 are distributed on the long side of the fixing rod 5 from top to bottom.
In the invention, in the rotation process of the filtering cavity 2, the material distributing blade 51 enables the center of the catalyst carrier to have a penetrating material distributing groove, so that the liquid raw material can temporarily stay at the position of the flowing groove, thereby being beneficial to the penetration of the liquid raw material to the inner position of the filtering cavity 2 and further ensuring the comprehensiveness of the penetration of the liquid raw material in the catalyst carrier.
In the present invention, as a preferable scheme, the top of the reaction kettle 101 is provided with an air inlet 108, the air inlet 108 is located right above the filtering cavity 2, the bottom of the reaction kettle 101 is provided with an air outlet 109, and the air outlet 109 is located below the filtering cavity 2.
In the present invention, before the impregnation of the liquid raw material and the catalyst carrier, nitrogen gas is injected into the inside of the reaction tank 101 from the position of the gas inlet 108, and the air inside the reaction tank 101 is discharged from the gas outlet 109, so that the inside of the reaction tank 101 is in a nitrogen gas atmosphere, which provides favorable environmental conditions for the saturated impregnation of the liquid raw material and the catalyst carrier.
In the present invention, as a preferable scheme, the liquid inlet pipe 3 is provided with a plurality of liquid outlet holes 31, the liquid outlet holes 31 face the filtering cavity 2 one by one, a vertically downward extending line of the material inlet 102 is set as a separation line 100, and the liquid inlet pipes 3 are distributed on two sides of the separation line 100 from top to bottom and from left to right in a staggered manner.
In the invention, the liquid raw materials in the liquid inlet pipe 3 fall into the filtering cavity 2 through the liquid outlet hole 31, when catalyst carriers are fed into the reaction kettle 101 from the feeding port 102, the liquid inlet pipe 3 is distributed in a position to prevent the catalyst carriers from falling on the liquid inlet pipe 3, and then the liquid raw materials in the liquid inlet pipe 3 can uniformly fall into the filtering cavity 2 due to the staggered distribution of the liquid inlet pipe 3 on the left and right of the separation line 100.
In the present invention, it is preferable that the liquid outlet holes 31 are each provided with an inclined liquid guide plate 311, and the liquid guide plates 311 extend in the direction toward the dividing line 100.
In the invention, when the liquid raw material in the liquid inlet pipe 3 flows to the filter cavity 2 through the liquid outlet hole 31, the liquid raw material flows along the liquid guide plate 311 towards the direction of the separation line 100, and at the moment, the liquid raw material flows to the inside of the filter cavity 2 from top to bottom in a left-right crossing mode by taking the separation line 100 as a central line, so that the covering surface of the falling liquid raw material in the filter cavity 2 is improved, and all catalyst carriers can be soaked with the liquid raw material.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A circulation impregnation system of catalyst carrier and liquid raw materials, its structure includes reation kettle (101), the top of reation kettle (101) is equipped with dog-house (102), the bottom of reation kettle (101) is equipped with drain outlet (103) and discharge gate (104), characterized by: the structure of the device also comprises a middle box body (1) and a filtering cavity body (2) arranged at the bottom of the reaction kettle (101), wherein the bottom of the filtering cavity body (2) is communicated with the discharge hole (104), the liquid discharge port (103) is positioned below the filtering cavity body (2), the top of the filtering cavity body (2) is communicated with the feed port (102), the top of the reaction kettle (101) is provided with a plurality of liquid inlet pipes (3) positioned at the top of the filtering cavity body (2), the liquid inlet pipes (3) are communicated with the inside of the filtering cavity body (2), the middle box body (1) is positioned below the reaction kettle (101), a first communicating pipe (105) is arranged between the liquid inlet pipes (3) and the middle box body (1), and a liquid pump (200) is arranged between the first communicating pipe (105) and the middle box body (1), a second communicating pipe (106) is arranged between the liquid outlet (103) and the intermediate box body (1), and a liquid filling port (11) is arranged on the intermediate box body (1);
the reaction kettle (101) is internally provided with a plurality of thermocouples (107) which penetrate from top to bottom, the liquid pump (200) is provided with a controller, the first communicating pipe (105) is provided with a flow velocity sensor, the second communicating pipe (106) is provided with a flow sensor, and the thermocouples (107), the flow velocity sensor and the flow sensor are electrically connected with the controller.
2. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 1, wherein: the filter cavity (2) is conical, the filter cavity (2) is arranged at the bottom of the reaction kettle (101) in an inverted mode, the bottom of a cone of the filter cavity (2) is communicated with the inside of the reaction kettle (101), and the top of the cone of the filter cavity (2) is communicated with the discharge hole (104).
3. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 2, wherein: the filter screen cloth (21) of toper shape has been laid to the inside wall of filtering cavity (2), the lateral wall evenly distributed of filtering cavity (2) has a plurality of filtration holes (22), the aperture of filtering screen cloth (21) is greater than the aperture of filtering hole (22).
4. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 3, wherein: its structure still includes rotates driving piece (4), filter the cone bottom of cavity (2) with reation kettle (101) junction is equipped with annular slab (23), annular slab (23) rotatable encircle in reation kettle (101) the outside, filter the cone top of cavity (2) with the junction of discharge gate (104) is equipped with rolling bearing (24), rotate driving piece (4) and act on annular slab (23) make filter cavity (2) are in reation kettle (101)'s inside slowly rotates.
5. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 4, wherein: rotate driving piece (4) and be in including driving motor (41) and setting skewed tooth (42) on annular plate (23) periphery, the output of driving motor (41) is equipped with drive gear (411), the diameter of drive gear (411) is less than the diameter of annular plate (23), drive gear (411) with skewed tooth (42) meshing connection.
6. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 4, wherein: the inside of discharge gate (104) is established the dead lever (5) of L type, the minor face of dead lever (5) is fixed on the lateral wall of discharge gate (104), the long limit of dead lever (5) extends and is in filter the inside central point of cavity (2) puts, the long limit from the top down of dead lever (5) distributes and has a plurality of branch material leaves (51).
7. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 1, wherein: the top of reation kettle (101) is equipped with air inlet (108), air inlet (108) are located filter cavity (2) directly over, the bottom of reation kettle (101) is equipped with gas outlet (109), gas outlet (109) are located filter cavity's (2) below.
8. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 1, wherein: the liquid inlet pipe (3) is provided with a plurality of liquid outlet holes (31), the liquid outlet holes (31) face the filtering cavity (2) one by one, a vertically downward extending line of the feeding port (102) is set as a separation line (100), and the liquid inlet pipes (3) are distributed on two sides of the separation line (100) in a left-right staggered manner from top to bottom.
9. A system for cyclically impregnating a catalyst support with a liquid feedstock according to claim 8, wherein: all be equipped with inclined drain board (311) on play liquid hole (31), the extending direction of drain board (311) all faces division line (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459569.4A CN113181972A (en) | 2021-04-27 | 2021-04-27 | Circulation dipping system of catalyst carrier and liquid raw materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459569.4A CN113181972A (en) | 2021-04-27 | 2021-04-27 | Circulation dipping system of catalyst carrier and liquid raw materials |
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| CN113181972A true CN113181972A (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110459569.4A Pending CN113181972A (en) | 2021-04-27 | 2021-04-27 | Circulation dipping system of catalyst carrier and liquid raw materials |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880605A (en) * | 2021-11-16 | 2022-01-04 | 贵州兰鑫石墨机电设备制造有限公司 | Method for modifying polytetrafluoroethylene impregnated graphite by dynamic isostatic pressing method |
| CN115055210A (en) * | 2022-06-27 | 2022-09-16 | 郝绥生 | Circulation dipping system of catalyst carrier and liquid raw materials |
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| WO2007057210A1 (en) * | 2005-11-17 | 2007-05-24 | Süd-Chemie AG | Method for coating or impregnating the surfaces of a catalyst carrier |
| US20070207079A1 (en) * | 2005-01-04 | 2007-09-06 | Brady John T | Heterogeneous, composite, carbonaceous catalyst system and methods that use catalytically active gold |
| CN205550298U (en) * | 2016-03-15 | 2016-09-07 | 河南中宏清洁能源股份有限公司 | Catalyst impregnating apparatus |
| CN110743627A (en) * | 2019-10-31 | 2020-02-04 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Catalyst impregnation device and method |
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2021
- 2021-04-27 CN CN202110459569.4A patent/CN113181972A/en active Pending
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| US4648999A (en) * | 1985-07-22 | 1987-03-10 | M. W. Kellogg Company | Apparatus for contacting fluid with solid |
| US20070207079A1 (en) * | 2005-01-04 | 2007-09-06 | Brady John T | Heterogeneous, composite, carbonaceous catalyst system and methods that use catalytically active gold |
| WO2007057210A1 (en) * | 2005-11-17 | 2007-05-24 | Süd-Chemie AG | Method for coating or impregnating the surfaces of a catalyst carrier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113880605A (en) * | 2021-11-16 | 2022-01-04 | 贵州兰鑫石墨机电设备制造有限公司 | Method for modifying polytetrafluoroethylene impregnated graphite by dynamic isostatic pressing method |
| CN115055210A (en) * | 2022-06-27 | 2022-09-16 | 郝绥生 | Circulation dipping system of catalyst carrier and liquid raw materials |
| CN115055210B (en) * | 2022-06-27 | 2024-04-12 | 郝绥生 | Catalyst carrier and liquid raw material circulating impregnation system |
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