CN116688874A - Moving bed reactor based on precise control of feeding and discharging - Google Patents
Moving bed reactor based on precise control of feeding and discharging Download PDFInfo
- Publication number
- CN116688874A CN116688874A CN202310984222.0A CN202310984222A CN116688874A CN 116688874 A CN116688874 A CN 116688874A CN 202310984222 A CN202310984222 A CN 202310984222A CN 116688874 A CN116688874 A CN 116688874A
- Authority
- CN
- China
- Prior art keywords
- solid raw
- temporary storage
- feeding
- storage mechanism
- moving bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 51
- 239000007787 solid Substances 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 119
- 239000002994 raw material Substances 0.000 claims abstract description 109
- 238000012216 screening Methods 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 description 16
- 230000001276 controlling effect Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/001—Controlling catalytic processes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to the field of moving bed reactors, in particular to a moving bed reactor based on precise control of feeding and discharging, which comprises: a feed pipe for feeding a solid feedstock into a solid feed device; a temporary storage mechanism for storing the solid raw material; the screening mechanism is used for moving the solid raw materials in the temporary storage mechanism in a preset screening mode; a discharge pipe for feeding solid feedstock into the moving bed reactor; an auxiliary mechanism for controlling the discharge rate of the solid raw material; the flow metering mechanism is used for measuring the discharge rate of the solid feeding device; the mechanism is arranged for accurately feeding the solid raw materials of the moving bed, so that the accuracy of the feeding rate of the solid raw materials is effectively improved, and meanwhile, the balance of the moving bed reactor is improved.
Description
Technical Field
The invention relates to the field of moving bed reactors, in particular to a moving bed reactor based on precise control of feeding and discharging.
Background
Moving bed reactors are an important way to process products on petrochemical plants. The fluid and solid feed simultaneously enter the reactor and they contact each other to react while the catalyst particles move, such a reaction bed being referred to as a moving bed.
At present, a solid catalyst flow controller of a moving bed reactor mainly adopts a double-valve intermittent control method and a static catalyst simulated moving bed control method, and the method can only be used manually, can only be intermittent and can only be normal pressure, and the valve has short service life, can only be used for one week at maximum and has high replacement frequency.
There are also many disadvantages to the control method of a simulated moving bed of a static catalyst in that the catalyst is not a moving bed in a practical sense but is made to simulate movement. But also can only be operated at normal pressure, and the valve replacement frequency is also very high.
Chinese application publication No.: CN115722151a discloses a solid-liquid moving bed reactor comprising a cylindrical vertical sealed housing, a catalyst channel, a reactant inlet, a reaction product outlet, a catalyst inlet and a catalyst outlet, and a first line for transporting the catalyst; the inlet of the first pipeline is used for being communicated with a conveying medium source, the catalyst outlet is communicated to the first pipeline through an outlet branch pipe, and a flow control device is arranged on the first pipeline. The reactor disclosed by the invention enables the catalyst to continuously enter the reactor and continuously flow out of the reactor, is beneficial to maintaining the catalyst activity of a reaction system and has flexible and controllable reaction airspeed.
It follows that the following problems exist with the conventional solutions and with the solutions described above: the feed rate of the solid feedstock cannot be precisely controlled.
Disclosure of Invention
Therefore, the invention provides a moving bed reactor based on precise control of feeding and discharging, which is used for solving the problem that the operation unbalance of the moving bed reactor is caused by the fact that the feeding rate of solid raw materials cannot be precisely controlled in the prior art.
In order to achieve the above object, the present invention provides a moving bed reactor based on precise control of feeding and discharging, a solid feeding device of the moving bed reactor comprising:
a feed pipe for feeding solid feedstock into the solid feed device;
the temporary storage mechanism is connected with the feeding pipe and used for storing the solid raw materials;
the screening mechanism is connected with the temporary storage mechanism and is used for moving the solid raw materials in the temporary storage mechanism in a preset screening mode;
the discharging pipe is connected with the temporary storage mechanism and used for feeding the solid raw materials into the moving bed reactor;
the auxiliary mechanism is arranged outside the temporary storage mechanism, connected with the feeding pipe, the discharging pipe and the temporary storage mechanism and used for controlling the discharging rate of the solid raw materials in a preset auxiliary state;
the flow metering mechanism is connected with the temporary storage mechanism and the discharging pipe and is used for measuring the discharging rate of the solid feeding device;
the preset screening mode is to control the discharging rate of the solid raw materials by controlling an impeller, and the preset auxiliary state is that the flow metering mechanism judges that the discharging rate of the solid raw materials exceeds a preset error proportion;
the preset error proportion is the proportion preset in the flow metering mechanism and is in direct proportion to the particle size of the solid raw material.
Further, the flow metering mechanism includes:
an internal monitoring device which is arranged in the temporary storage mechanism and is used for shooting the stacking angle of the solid raw materials;
the external monitoring device is arranged at the outlet of the discharging pipe and is used for measuring the discharging rate of the solid raw material;
wherein the stacking angle is an acute angle formed by a stacking surface of the solid raw material in an overflow state and a bottom surface of the temporary storage mechanism when the solid raw material is stationary in the temporary storage mechanism, and is related to the particle size of the solid raw material;
wherein, the overflow state is that the solid raw material can not be put into the feeding pipe any more.
Further, the screening mechanism includes:
the rotating impeller is arranged at the bottom of the temporary storage mechanism, and fan blades are arranged at preset intervals and used for pushing the solid raw materials through rotation;
the transmission assembly is connected with the rotary impeller and used for providing power for the rotary impeller, and one end of the transmission assembly, which is close to the rotary impeller, is provided with a baffle plate for blocking the solid raw material;
the power assembly is connected with the transmission assembly and used for providing power for the rotary impeller;
wherein the preset interval is related to the particle size of the solid raw material.
Further, the power assembly includes:
the magnetic motor is arranged outside the temporary storage mechanism, and the axis of the magnetic motor is collinear with the central axis of the transmission assembly and is used for providing energy;
the rotating shaft is arranged in the temporary storage mechanism and is connected with the magnetic motor through magnetic force so as to provide power for the rotating device.
Further, an elastic suspension capable of moving up and down is arranged at the joint of the rotary impeller and the transmission assembly, so that the rotary impeller can move elastically when rotating.
Further, the rotating impeller is in soft contact with the solid raw material, and does not squeeze the solid raw material during rotation;
wherein, the isolation material is wrapped up on the single impeller of rotatory impeller.
Further, the auxiliary mechanism includes:
the suspension bracket is connected with the temporary storage mechanism, the feed pipe and the discharge pipe and is used for stabilizing the solid feeding device by fixing the mechanisms;
the vibration frame is connected with the temporary storage mechanism and used for vibrating the temporary storage mechanism in the preset auxiliary state;
and the inclined frame is connected with the temporary storage mechanism and is used for changing the inclination angle of the temporary storage mechanism.
Further, a spiral groove is arranged in the discharging pipe and used for controlling the discharging rate of the solid raw material;
the feeding pipe is internally provided with a clamping groove for controlling the feeding rate of the solid raw material when the solid raw material reaches an overflow state.
Further, buffer cavities are arranged in the rotating impeller and the temporary storage mechanism and used for destroying negative pressure in the rotating impeller when the rotating impeller rotates;
the rotating impeller does not rigidly squeeze the solid raw material and the temporary storage mechanism when rotating.
Further, there is a maximum discharge rate and a minimum discharge rate in the sieving mechanism, which are related to the particle size of the solid raw material and the maximum inclination of the auxiliary mechanism.
Compared with the prior art, the invention has the beneficial effects that the solid raw materials of the moving bed are precisely fed by arranging the feeding pipe, the temporary storage mechanism, the screening mechanism, the discharging pipe, the auxiliary mechanism and the flow metering mechanism, so that the accuracy of the feeding rate of the solid raw materials is effectively improved, and meanwhile, the balance of the moving bed reactor is improved.
Further, by means of the flow metering mechanism, the discharging rate is monitored, and the accuracy of the feeding rate is effectively improved, and meanwhile, the balance of the moving bed reactor is further improved.
Further, through setting up the mode constitution screening mechanism of rotatory impeller, drive assembly and power module, send into the moving bed reactor with solid raw materials, when effectively promoted solid raw materials and thrown the material stability, further promoted the equilibrium of moving bed reactor.
Further, the power assembly is formed by arranging the magnetic motor and the rotating shaft, so that raw materials are effectively prevented from being polluted, meanwhile, the running reliability of the power assembly is effectively improved, and the balance of the moving bed reactor is further improved.
Further, through the mode that sets up resilient means on rotatory impeller, avoid the solid raw materials to be crushed, when effectively promoted the integrality of raw materials, further promoted moving bed reactor's equilibrium.
Further, through setting up mounted frame, vibrations frame and inclination's mode, separate the solid raw materials of piling up at temporary storage mechanism, when effectively having avoided piling up each other because of solid raw materials and leading to the adhesion, further promoted moving bed reactor's equilibrium.
Further, by means of the clamping grooves and the spiral grooves, the solid raw materials form a staggered flow in the temporary storage mechanism, so that the raw materials are effectively prevented from being accumulated, the integrity of the solid raw materials is ensured, and the balance of the moving bed reactor is further improved.
Further, through set up the mode of buffering chamber and control rotating impeller's rotational speed on rotating impeller, avoid solid raw materials to break, when effectively promoting solid raw materials integrality, promoted the stability of throwing the material to the equilibrium of moving bed reactor has further been promoted.
Drawings
FIG. 1 is a schematic diagram of the connection of a moving bed reactor feed device based on precise control of feed and discharge in accordance with the present invention;
FIG. 2 is a schematic view of a feeding device according to an embodiment of the present invention;
wherein: 1, a feeding pipe; 2, temporary storage mechanism; 3, a screening mechanism; 31, a transmission assembly; 32, a power assembly; and 4, a discharging pipe.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a schematic connection diagram of a feeding device of a moving bed reactor based on precise feeding and discharging control, the solid feeding device of the moving bed reactor based on precise feeding and discharging control according to the present invention comprises:
a feed pipe for feeding a solid feedstock into a solid feed device;
the temporary storage mechanism is connected with the feeding pipe and used for storing solid raw materials;
the screening mechanism is arranged in the temporary storage mechanism and used for moving the solid raw materials in the temporary storage mechanism in a preset screening mode;
the discharging pipe is connected with the temporary storage mechanism and is used for conveying the solid raw materials into the moving bed reactor;
the auxiliary mechanism is arranged outside the temporary storage mechanism, connected with the feeding pipe, the discharging pipe and the temporary storage mechanism and used for controlling the discharging rate of the solid raw materials in a preset auxiliary state;
the flow metering mechanism is connected with the temporary storage mechanism and the discharge pipe and is used for measuring the discharge rate of the solid feeding device;
the preset screening mode is to control the discharging rate of the solid raw materials by controlling the impeller, and the preset auxiliary state is that the flow metering mechanism judges that the discharging rate of the solid raw materials exceeds a preset error proportion;
the preset error proportion is the proportion preset in the flow metering mechanism and is in direct proportion to the particle size of the solid raw material.
According to the invention, the feeding pipe, the temporary storage mechanism, the screening mechanism, the discharging pipe, the auxiliary mechanism and the flow metering mechanism are arranged to accurately feed the solid raw materials of the moving bed, so that the accuracy of the feeding rate of the solid raw materials is effectively improved, and meanwhile, the balance of the moving bed reactor is improved.
In the implementation, the preset error can be determined according to the particle size and the reaction type of the moving bed, the error proportion can be set to +/-1% for the reaction rate to be high, and the error proportion can be set to 12% for the reaction rate to be low;
specifically, the flow rate measurement mechanism includes:
an internal monitoring device arranged in the temporary storage mechanism and used for shooting the stacking angle of the solid raw materials;
the external monitoring device is arranged at the outlet of the discharging pipe and is used for measuring the discharging rate of the solid raw material;
wherein the stacking angle is an acute angle formed by a stacking surface of the solid raw material in an overflow state and the solid raw material when the solid raw material is stationary in the temporary storage mechanism and the bottom surface of the temporary storage mechanism, and is related to the particle size of the solid raw material;
wherein, the overflow state is that solid raw materials can not be put into the feeding pipe any more.
The discharge rate is monitored by means of the flow metering mechanism, so that the accuracy of the feeding rate is effectively improved, and meanwhile, the balance of the moving bed reactor is further improved.
In practice, the overflow condition is determined as a condition that the material cannot be fed from the feeding pipe any more, and it is understood that when the overflow condition is reached, the solid material accumulated under the feeding pipe blocks the feeding pipe, so that the material cannot be fed any more.
Specifically, the screening mechanism includes:
the rotating impeller is arranged at the bottom of the temporary storage mechanism, and fan blades are arranged at preset intervals and used for pushing the solid raw materials through rotation;
the transmission assembly is connected with the rotary impeller and used for providing power for the rotary impeller, and a baffle plate is arranged at one end of the transmission assembly, which is close to the rotary impeller and used for blocking solid raw materials;
the power assembly is connected with the transmission assembly and used for providing power for the rotary impeller;
wherein the preset spacing is related to the particle size of the solid feedstock.
Through setting up the mode of impeller, drive assembly and power module, send into moving bed reactor with solid raw materials, when effectively promoted solid raw materials and thrown the material stability, further promoted moving bed reactor's equilibrium.
In practice, the preset interval should be slightly larger than the solid raw material, which can be determined by the category of the solid raw material, and can be set to 1.2 times of particle size, 1.1 times of particle size and 1.5 times of particle size;
specifically, the power assembly includes:
the magnetic motor is arranged outside the temporary storage mechanism, and the axis of the magnetic motor is collinear with the central axis of the transmission assembly and is used for providing energy;
the rotating shaft is arranged in the temporary storage mechanism and is connected with the magnetic motor through magnetic force so as to provide power for the rotating device.
The power assembly is formed by arranging the magnetic motor and the rotating shaft, so that raw materials are effectively prevented from being polluted, and meanwhile, the running reliability of the power assembly is effectively improved, and the balance of the moving bed reactor is further improved.
Fig. 2 is a schematic structural diagram of a feeding device according to an embodiment of the present invention;
wherein, when the feeding device is operated, solid raw materials are loaded into the feeding pipe 1 and enter the temporary storage device 2 to be piled up, the rotating impeller connected together through the transmission component 31 is driven by the power component 32 to uniformly feed the catalyst into the discharging pipe 4, and the rotating speed of the screening mechanism 3 is regulated according to the requirement to control the flow rate of the solid raw materials. A spring is arranged above the rotary impeller, and the rotary impeller can elastically micro-move up and down freely during rotation.
The rotary impeller is not contacted with the lower wall of the temporary storage mechanism, so that rigid extrusion among the rotary impeller, the solid raw materials and the lower wall of the temporary storage mechanism is ensured.
Specifically, the connection part of the rotary impeller and the transmission assembly is provided with an elastic suspension capable of moving up and down, and the elastic suspension is used for performing elastic movement when the rotary impeller rotates.
Specifically, the rotating impeller is in soft contact with the solid raw material, and does not squeeze the solid raw material during rotation;
wherein, the isolation material is wrapped on the single impeller of the rotary impeller.
Through set up resilient means's mode on rotatory impeller, avoid the solid raw materials to be crushed, when effectively promoted the integrality of raw materials, further promoted moving bed reactor's equilibrium.
It will be appreciated that the particle size of the solid feedstock is the average particle size and that during operation of the rotating impeller, the oversized and undersized portions of the solid feedstock are subjected to the spring force causing the rotating impeller to space the solid feedstock and to deliver the solid feedstock that is more compatible with the average particle size to a location adjacent the discharge pipe.
Specifically, the assist mechanism includes:
the suspension bracket is connected with the temporary storage mechanism, the feed pipe and the discharge pipe and is used for stabilizing the solid feeding device by fixing the mechanisms;
the vibration frame is connected with the temporary storage mechanism and used for vibrating the temporary storage mechanism in a preset auxiliary state;
and the inclined frame is connected with the temporary storage mechanism and is used for changing the inclination angle of the temporary storage mechanism.
Through setting up mounted frame, vibrations frame and the mode of slope frame, separate the solid raw materials of piling up at temporary storage mechanism, when effectively having avoided piling up each other because of solid raw materials and leading to the adhesion, further promoted moving bed reactor's equilibrium.
Specifically, a spiral groove is arranged in the discharging pipe and is used for controlling the discharging rate of the solid raw material;
the feed pipe is provided with a clamping groove for controlling the feeding rate of the solid raw material when the solid raw material reaches an overflow state.
The mode of setting up draw-in groove and helicla flute is utilized, makes solid raw materials form the heart flow in temporary storage mechanism, when effectively having avoided the raw materials to pile up, has guaranteed the integrality of solid raw materials to further promoted moving bed reactor's equilibrium.
Specifically, buffer cavities are arranged in the rotating impeller and the temporary storage mechanism and used for destroying the negative pressure in the rotating impeller when the rotating impeller rotates;
the rotating impeller does not rigidly extrude the solid raw material and the temporary storage mechanism when rotating.
In particular, there is a maximum discharge rate and a minimum discharge rate in the screening mechanism, which are related to the particle size of the solid feedstock and the maximum inclination of the auxiliary mechanism.
Through set up the mode of buffering chamber and control rotation number of rotating impeller on rotating impeller, avoid solid raw materials to break, when effectively promoting solid raw materials integrality, promoted the stability of throwing the material to the equilibrium of moving bed reactor has further been promoted.
For a better understanding of the technical solution of the present invention, the following is further described according to examples:
please refer to table 1 below, which is a series a catalyst flow meter;
wherein, the solid raw material is a series A, and the particle size is: 2 mm, catalyst flow rate: 4.423/min;
the values in the table are subjected to curve fitting, and the feeding rate of the material is obtained as follows: y1=4.423t+2×10 -12 Mean square error R 2 1 is shown in the specification;
please refer to table 2 below, which is a series B catalyst flow meter;
wherein, the solid raw material is a series B, and the particle size is as follows: 2 mm, catalyst flow rate: 0.3687/min;
the values in the table are subjected to curve fitting, and the feeding rate of the material is obtained as follows: y3= 0.3687t-2 x 10 -13 Mean square error R 2 1.
Wherein Y is: the flow rate is as follows: g;
t is time in units of: dividing;
it will be appreciated that the feed rates of example 1 and example 2 in the catalytic reaction are controllable and that stable feeds can be made over a long period of time at the set rates.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Moving bed reactor based on feeding and discharging accurate control, characterized in that, the solid feed arrangement of moving bed reactor includes:
a feed pipe for feeding solid feedstock into the solid feed device;
the temporary storage mechanism is connected with the feeding pipe and used for storing the solid raw materials;
the screening mechanism is connected with the temporary storage mechanism and is used for moving the solid raw materials in the temporary storage mechanism in a preset screening mode;
the discharging pipe is connected with the temporary storage mechanism and used for feeding the solid raw materials into the moving bed reactor;
the auxiliary mechanism is arranged outside the temporary storage mechanism, connected with the feeding pipe, the discharging pipe and the temporary storage mechanism and used for controlling the discharging rate of the solid raw materials in a preset auxiliary state;
the flow metering mechanism is connected with the temporary storage mechanism and the discharging pipe and is used for measuring the discharging rate of the solid feeding device;
the preset screening mode is to control the discharging rate of the solid raw materials by controlling an impeller, and the preset auxiliary state is that the flow metering mechanism judges that the discharging rate of the solid raw materials exceeds a preset error proportion;
the preset error proportion is the proportion preset in the flow metering mechanism and is in direct proportion to the particle size of the solid raw material.
2. The moving bed reactor based on precise control of feeding and discharging according to claim 1, wherein the flow metering mechanism comprises:
an internal monitoring device which is arranged in the temporary storage mechanism and is used for shooting the stacking angle of the solid raw materials;
the external monitoring device is arranged at the outlet of the discharging pipe and is used for measuring the discharging rate of the solid raw material;
wherein the stacking angle is an acute angle formed by a stacking surface of the solid raw material in an overflow state and a bottom surface of the temporary storage mechanism when the solid raw material is stationary in the temporary storage mechanism, and is related to the particle size of the solid raw material;
wherein, the overflow state is that the solid raw material can not be put into the feeding pipe any more.
3. The moving bed reactor based on precise control of feed and discharge according to claim 2, wherein the sieving mechanism comprises:
the rotating impeller is arranged at the bottom of the temporary storage mechanism, and fan blades are arranged at preset intervals and used for pushing the solid raw materials through rotation;
the transmission assembly is connected with the rotary impeller and used for providing power for the rotary impeller, and one end of the transmission assembly, which is close to the rotary impeller, is provided with a baffle plate for blocking the solid raw material;
the power assembly is connected with the transmission assembly and used for providing power for the rotary impeller;
wherein the preset interval is related to the particle size of the solid raw material.
4. A moving bed reactor based on accurate control of feed and discharge according to claim 3, characterized in that the power unit comprises:
the magnetic motor is arranged outside the temporary storage mechanism, and the axis of the magnetic motor is collinear with the central axis of the transmission assembly and is used for providing energy;
the rotating shaft is arranged in the temporary storage mechanism and is connected with the magnetic motor through magnetic force so as to provide power for the rotating device.
5. The moving bed reactor based on accurate control of feeding and discharging according to claim 4, wherein an elastic suspension capable of moving up and down is provided at the connection part of the rotating impeller and the transmission assembly, so as to be capable of moving elastically when the rotating impeller rotates.
6. The moving bed reactor based on precise control of feeding and discharging according to claim 5, wherein the rotating impeller is in soft contact with the solid raw material and does not squeeze the solid raw material during rotation;
wherein, the isolation material is wrapped up on the single impeller of rotatory impeller.
7. The moving bed reactor based on precise control of feeding and discharging according to claim 1, wherein the auxiliary mechanism comprises:
the suspension bracket is connected with the temporary storage mechanism, the feed pipe and the discharge pipe and is used for stabilizing the solid feeding device by fixing the mechanisms;
the vibration frame is connected with the temporary storage mechanism and used for vibrating the temporary storage mechanism in the preset auxiliary state;
and the inclined frame is connected with the temporary storage mechanism and is used for changing the inclination angle of the temporary storage mechanism.
8. The moving bed reactor based on precise control of feeding and discharging according to any one of claims 6 or 7, wherein a spiral groove is provided in the discharging pipe for controlling the discharging rate of the solid raw material;
the feeding pipe is internally provided with a clamping groove for controlling the feeding rate of the solid raw material when the solid raw material reaches an overflow state.
9. The moving bed reactor based on precise control of feeding and discharging according to claim 8, wherein buffer cavities are arranged in the rotating impeller and the temporary storage mechanism, and are used for destroying negative pressure in the rotating impeller when the rotating impeller rotates;
the rotating impeller does not rigidly squeeze the solid raw material and the temporary storage mechanism when rotating.
10. The moving bed reactor based on precise control of feed and discharge according to claim 9, wherein there is a maximum discharge rate and a minimum discharge rate in the sieving mechanism, which are related to the particle size of the solid raw material and the maximum inclination of the auxiliary mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984222.0A CN116688874A (en) | 2023-08-07 | 2023-08-07 | Moving bed reactor based on precise control of feeding and discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984222.0A CN116688874A (en) | 2023-08-07 | 2023-08-07 | Moving bed reactor based on precise control of feeding and discharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116688874A true CN116688874A (en) | 2023-09-05 |
Family
ID=87831575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310984222.0A Pending CN116688874A (en) | 2023-08-07 | 2023-08-07 | Moving bed reactor based on precise control of feeding and discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116688874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225298A (en) * | 2023-11-09 | 2023-12-15 | 北京拓川科研设备股份有限公司 | Solid raw material feeding system based on moving bed reactor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631870A (en) * | 2011-02-14 | 2012-08-15 | 中国石油化工股份有限公司 | Automatic catalyst feeder and automatic catalyst feeding method |
| DE102011014349A1 (en) * | 2011-03-18 | 2012-09-20 | Ecoloop Gmbh | Moving bed reactor |
| CN108371929A (en) * | 2018-03-20 | 2018-08-07 | 北京拓川科研设备股份有限公司 | A kind of device and method for the charging of moving-burden bed reactor solid catalyst |
| CN110065801A (en) * | 2019-06-05 | 2019-07-30 | 安徽金星钛白（集团）有限公司 | A kind of titanium dioxide conveying anti-blocking equipment of blanking |
| CN112717835A (en) * | 2020-12-16 | 2021-04-30 | 亚洲硅业(青海)股份有限公司 | Hydrogenation reaction system and method for improving conversion rate of hydrogenation reaction |
| CN217910309U (en) * | 2022-08-16 | 2022-11-29 | 贵州容百锂电材料有限公司 | Washing cladding cauldron |
| CN115501820A (en) * | 2022-11-23 | 2022-12-23 | 山东法拉第氘源科技有限公司 | Deuterated benzene catalytic reaction kettle with continuous catalytic function |
| CN218539591U (en) * | 2022-09-09 | 2023-02-28 | 刘小伟 | Catalyst quantitative input equipment for heavy oil cracking reaction |
-
2023
- 2023-08-07 CN CN202310984222.0A patent/CN116688874A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631870A (en) * | 2011-02-14 | 2012-08-15 | 中国石油化工股份有限公司 | Automatic catalyst feeder and automatic catalyst feeding method |
| DE102011014349A1 (en) * | 2011-03-18 | 2012-09-20 | Ecoloop Gmbh | Moving bed reactor |
| CN108371929A (en) * | 2018-03-20 | 2018-08-07 | 北京拓川科研设备股份有限公司 | A kind of device and method for the charging of moving-burden bed reactor solid catalyst |
| CN110065801A (en) * | 2019-06-05 | 2019-07-30 | 安徽金星钛白（集团）有限公司 | A kind of titanium dioxide conveying anti-blocking equipment of blanking |
| CN112717835A (en) * | 2020-12-16 | 2021-04-30 | 亚洲硅业(青海)股份有限公司 | Hydrogenation reaction system and method for improving conversion rate of hydrogenation reaction |
| CN217910309U (en) * | 2022-08-16 | 2022-11-29 | 贵州容百锂电材料有限公司 | Washing cladding cauldron |
| CN218539591U (en) * | 2022-09-09 | 2023-02-28 | 刘小伟 | Catalyst quantitative input equipment for heavy oil cracking reaction |
| CN115501820A (en) * | 2022-11-23 | 2022-12-23 | 山东法拉第氘源科技有限公司 | Deuterated benzene catalytic reaction kettle with continuous catalytic function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225298A (en) * | 2023-11-09 | 2023-12-15 | 北京拓川科研设备股份有限公司 | Solid raw material feeding system based on moving bed reactor |
| CN117225298B (en) * | 2023-11-09 | 2024-03-22 | 北京拓川科研设备股份有限公司 | Solid raw material feeding system based on moving bed reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116688874A (en) | Moving bed reactor based on precise control of feeding and discharging | |
| EP0279353B1 (en) | Mechanism for metering solid materials which flow in a manner similar to liquids | |
| CN102333701A (en) | Continuous bagging processes and systems | |
| CN213386722U (en) | Powdery material anti-blocking pneumatic conveying device | |
| CN106185333A (en) | A kind of rotating disc type powdered graphite powder feeder and powder delivery method | |
| CN201971407U (en) | Anti-sticking, anti-blockage rotary air-locking discharger | |
| CN107934590A (en) | Anti-blockage star feed arrangement and feeding method | |
| CN101716481B (en) | Hypergravity fluidization vapor deposition reaction device | |
| JP6892107B2 (en) | Supply device and supply method of powder and granular material | |
| CN108371929A (en) | A kind of device and method for the charging of moving-burden bed reactor solid catalyst | |
| CN211468997U (en) | Pill particle packing machine | |
| CN201343291Y (en) | Feeding and discharging device of solid particular materials | |
| CN210814872U (en) | Feeding system | |
| CN211997806U (en) | Discharging device and discharging system | |
| CN211870303U (en) | Pneumatic stirring screw feeding machine | |
| CN220130476U (en) | Powder filling device | |
| CN108622675B (en) | Air-assisted vector weighing and feeding system and control method | |
| CN111265972A (en) | Activated carbon injection system | |
| CN215048856U (en) | Quantitative feeding machine | |
| CN215048855U (en) | Quantitative feeder | |
| CN212417474U (en) | Active carbon dosing device | |
| CN117228238B (en) | Screw feeder and powder manufacturing system | |
| CN207061361U (en) | Double vibration activation feeders | |
| CN221165050U (en) | Automatic metering compensation feeder for powdery material | |
| CN110624442A (en) | Terbium slurry stirring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230905 |