CN114768718A - Photocatalysis nitrogen fixation reaction device - Google Patents
Photocatalysis nitrogen fixation reaction device Download PDFInfo
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- CN114768718A CN114768718A CN202210600805.4A CN202210600805A CN114768718A CN 114768718 A CN114768718 A CN 114768718A CN 202210600805 A CN202210600805 A CN 202210600805A CN 114768718 A CN114768718 A CN 114768718A
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/127—Sunlight; Visible light
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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
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
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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
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/007—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
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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
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/02—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor of the thin-film type
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
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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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0417—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor
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Abstract
The invention relates to a photocatalytic nitrogen fixation reactor, which belongs to the technical field of catalytic reaction equipment and comprises a reaction box and a base; the reaction box comprises a box body and a box cover, wherein a film assembly for catalysis, a gas input device for gas input, a water inlet and a water outlet for water flow to pass through are arranged in the box body; the box cover is provided with an air pressure balancing device; the film assembly is rotatably connected in the box body; a connecting rod is fixedly arranged at the center of one side of the box body relative to the base, and a plurality of magnetic materials are arranged around the connecting rod in a surrounding manner; the connecting part is arranged in the center of the base and is hinged with the connecting rod; counter bores corresponding to the magnetic materials are annularly arranged around the connecting part, and electromagnets for controlling deflection of the reaction box are arranged in the counter bores. The deflection of the box body is driven by the electromagnet of the box body, so that the technical problems that the traditional catalyst reaction device for photo-catalytic gas and solid ammonia has poor illumination acquisition capability, can not automatically capture sunlight, can not replace a catalyst, has low reaction rate and can not be used for actual production are solved.
Description
Technical Field
The invention belongs to the technical field of catalytic reaction equipment, and particularly relates to a photocatalytic nitrogen fixation reactor.
Background
Ammonia is an important raw material which is indispensable in modern industrial and agricultural production. Particularly in the agricultural field, ammonia is consumed in a large amount as a fertilizer. At present, the main industrial synthesis method of ammonia is the Hubble-Bosch method, which needs to be carried out at high temperature and high pressure, has serious energy consumption, and generates a large amount of carbon dioxide which is extremely poor in environmental friendliness.
Compared with the traditional ammonia preparation method, the photocatalysis ammonia preparation reaction is carried out at normal temperature and normal pressure, does not generate greenhouse gases and energy consumption, and can realize the simultaneous synthesis of two products by utilizing the catalyst. Photocatalysis is the focus of new nitrogen fixation research, and a plurality of researchers intensively research the nitrogen fixation research.
The traditional catalyst reaction device for photo-catalytic gas ammonia fixation has the problems of poor illumination acquisition capability, incapability of automatically capturing sunlight, incapability of replacing the catalyst, low reaction rate, incapability of being used for actual production and the like. Therefore, the conversion efficiency of the catalyst for nitrogen is low, and the catalyst is not beneficial to being popularized to actual farmlands.
Disclosure of Invention
In view of this, the present invention aims to provide a photocatalytic nitrogen fixation reactor, which solves the technical problems of the conventional photocatalytic gas ammonia fixation catalyst reaction device that the light acquisition capability is poor, the sunlight cannot be automatically captured, the catalyst cannot be replaced, the reaction rate is low, and the device cannot be used for actual production.
In order to achieve the purpose, the invention provides the following technical scheme:
a photocatalysis nitrogen fixation reactor comprises a reaction box and a base;
the reaction box comprises a box body and a box cover, wherein a film assembly for catalysis, a gas input device for gas input, a water inlet and a water outlet for water flow to pass through are arranged in the box body; the box cover is provided with an air pressure balancing device; the film assembly is rotatably connected in the box body; a connecting rod is fixedly arranged in the center of one side of the box body relative to the base, and a plurality of magnetic materials are arranged around the connecting rod in a surrounding mode;
the connecting part is arranged in the center of the base and hinged with the connecting rod; counter bores corresponding to the magnetic materials are annularly arranged on the periphery of the connecting part, electromagnets for controlling deflection of the reaction box are arranged in the counter bores, and the electromagnets and the magnetic materials are arranged at intervals in height; and the part of electromagnets are close to each other by adsorbing the corresponding magnetic materials, so that the reaction box deflects up and down.
Furthermore, the one end that the reaction box was kept away from to the connecting rod is equipped with the bulb, connecting portion are for inlaying the ball cover on the base, the ball cover is articulated with the bulb.
Further, the membrane module comprises a hollow frame and a catalytic membrane fixed in the hollow frame; connecting holes are formed in the two ends of the hollow frame, the connecting holes are rotatably connected with the side wall of the box body through connecting rods, and the connecting holes are driven to rotate through a driver arranged on the box body.
Further, the gas input device comprises a gas transmission port, a main pipeline communicated with the gas transmission port, a plurality of gas transmission branch pipes vertically communicated with the main pipeline, and gas outlet positions arranged on the gas transmission branch pipes;
the gas transmission port penetrates through the box body and is communicated with the main pipeline; the main pipeline is transversely arranged along the side wall of the box body, and the gas transmission branch pipes are uniformly and alternately laid at the bottom of the box body; the air outlet position consists of a plurality of air outlet holes, and the air outlet holes are formed towards the film assembly.
Furthermore, the gas transmission branch pipe is provided with 11, and each gas transmission branch pipe is provided with 3 air outlet positions at intervals.
Further, the air pressure balancing device is arranged on one side edge of the box cover, and a plurality of air outlets are formed in the air pressure balancing device.
Further, the magnetic material is a magnet.
Furthermore, the number of the magnets is 6, and the magnets are arranged in a regular hexagon; the counter bores on the base are also provided with 6 counter bores which are arranged in a regular hexagon shape, and grooves for installing power lines are also arranged among the counter bores.
Further, the reaction box is a transparent acrylic plate.
The invention has the beneficial effects that:
1. the box body is driven by electromagnetism, so that the rotation of the box body is realized on the premise that no hole is formed at the bottom. The sealing performance and the safety of the device are improved.
2. The catalytic film can realize the all-round pursuit to the sunlight by utilizing the swing of the hollow frame and the rotation of the box body, thereby improving the energy utilization rate and the reaction catalysis efficiency.
3. The gas input adopts multi-pipeline and multi-direction air holes, so that the contact area of reactants in the catalyst is increased, and the photocatalytic nitrogen fixation conversion rate is increased.
4. The design of the thin film component is used, so that the replacement of the catalytic film is realized, the practical application capability of the product is improved, the independence of the reaction device and materials is ensured, and the service life of the reaction device is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is an exploded view of a photocatalytic nitrogen fixation reactor;
FIG. 2 is a schematic view of the base of a photocatalytic nitrogen fixation reactor;
FIG. 3 is a schematic view of a tank of a photocatalytic nitrogen fixation reactor;
FIG. 4 is a piping diagram of the gas feed device;
FIG. 5 is a diagram showing the distribution of the outlet holes on the gas delivery branch pipes;
FIG. 6 is a schematic view of the installation of a photocatalytic nitrogen fixation reactor.
Reference numerals: the air-conveying device comprises a base 1, a box body 2, a box cover 3, a film component 4, an air pressure balancing device 5, a water inlet 6, an air conveying port 7, a water outlet 8, a driver 9, a ball sleeve 101, a counter bore 102, a groove 103, a ball head 201, a magnet 202, a hollow frame 401, a connecting hole 402, a main pipeline 601, an air conveying branch pipe 602 and an air outlet 603.
Detailed Description
The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and embodiments may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, a photocatalytic nitrogen fixation reactor includes a reaction chamber and a base 1; the reaction box comprises a box body 2 and a box cover 3, a thin film component 4 for catalysis, a gas input device for gas input, a water inlet 6 and a water outlet 8 for water flow to pass through are arranged in the box body 2, and a gas pressure balancing device 5 is arranged on the box cover 3. The film component 4 is rotationally connected in the box body 2; a connecting rod is fixedly arranged at the center of one side of the box body 2, which is opposite to the base 1, a ball head 201 is arranged at one end of the connecting rod, which is far away from the reaction box, and a plurality of magnetic materials are annularly arranged around the connecting rod; the magnetic material in this embodiment is the magnet 202, but other materials that can be attracted by a magnet may be preferable. The connecting portion that base 1 center was equipped with, connecting portion are for inlaying ball cover 101 on base 1, and ball cover 101 is articulated with bulb 201, realizes the support and the multidirectional tilt that rotates of reaction box 2 through the articulated of bulb 201 with ball cover 101. Counter bores 102 corresponding to the magnetic materials are arranged around the connecting part of the base 1 in a surrounding mode, and electromagnets for controlling deflection of the reaction box are arranged in the counter bores 102. In this embodiment, there are 6 magnets 202 arranged in a regular hexagon; 6 counter bores 102 on the base 1 are correspondingly arranged and arranged in a regular hexagon, and grooves 103 for installing power supply lines are arranged among the counter bores 102.
The reaction box articulates on base 1's connecting portion through one section connecting rod that stretches out, and magnetic force break-make or size through the electro-magnet on base 1 adsorb the magnetic material of reaction bottom of the case portion and are close to, make reaction box 2 can carry out the multidirectional rotation slope of small angle, and then catch sunshine, make its different agricultural environment of adaptation, improve the actual application rate.
Specifically, the membrane module 4 includes a hollow frame 401 and a catalytic membrane fixed in the hollow frame 401; the hollow frame 401 has connection holes 402 at both ends, and the connection holes 402 are rotatably connected to the side walls of the cabinet 2 by links and driven to rotate by a driver 9 provided on the cabinet 2. The catalytic membrane is detachably connected with the hollow frame 401, and can be replaced at any time. The driver 9 drives the hollow frame 401 to rotate, so that the tracking of sunlight can be realized.
The gas input device comprises a gas transmission port 7, a main pipeline 601 communicated with the gas transmission port 7, a plurality of gas transmission branch pipes 602 vertically communicated with the main pipeline 601, and gas outlet positions arranged on the gas transmission branch pipes 602; the gas transmission port 7 penetrates through the box body 2 and is communicated with the main pipeline 601; the main pipe 601 is transversely disposed along the sidewall of the tank 2. The gas transmission branch pipes 602 are uniformly laid at the bottom of the box body 2 at intervals; the gas outlet is formed by a plurality of gas outlet holes 603, and the gas outlet holes 603 are opened toward the membrane module 4. In this embodiment, 11 gas transmission branch pipes 602 are provided, and each gas transmission branch pipe 602 is provided with 3 gas outlet positions at intervals. A plurality of positions of giving vent to anger and a plurality of ventholes that set up on the position of giving vent to anger can be everywhere with gas homodisperse to the reaction box, have increased the area of contact of reactant, have improved reaction rate.
The air pressure balancing device 5 is arranged on one side edge of the box cover 3, a plurality of air outlets are formed in the air pressure balancing device 5, and when the air pressure in the reaction box body 2 exceeds a set value, the air outlets exhaust air.
The reaction chamber in this embodiment is a transparent acrylic plate, and other transparent materials may be preferred.
The process flow is that water is filled into the box body 2 through the water inlet 6, when two thirds of the box body 2 is filled with the water, the angle of the box body 2 is controlled and adjusted through the electromagnet 202 on the base 1, so that the box body is opposite to the sun, then the driver 9 controls the hollow frame 401 to rotate, the sunlight vertically irradiates on the catalytic film, and N is used for leading the N to be absorbed by the catalytic film2The gas inlet 7, the main pipeline 601 and the gas outlet 603 on the gas transmission branch pipe 602 are sequentially arranged in the box body 2, a large amount of bubbles are generated in the box body 2, so that reactants are fully contacted with a catalyst, the synthesis ammonia reaction is carried out by the aid of sunlight, the air pressure balancing device 5 on the box cover 3 can keep the air pressure in the box body 2 constant, and after the reaction is finished, the ammonia water is discharged through the water outlet 8.
The photocatalysis nitrogen fixation device in this embodiment fully considers illumination intensity factor, is a device of high-efficient catalysis nitrogen fixation, and the device adopts rotatable film subassembly 4 and base 1 control reaction box with electromagnet 202 to rotate and traces the sunlight in real time, has improved catalytic reaction efficiency greatly. The topographic factors brought by the application scene are fully considered, the box body 2 can be adjusted through the base 1 under different terrains, the level of the box body 2 is kept, the reaction safety is greatly guaranteed, and the practical application capacity is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A photocatalysis nitrogen fixation reactor is characterized in that: comprises a reaction box and a base;
the reaction box comprises a box body and a box cover, wherein a film assembly for catalysis, a gas input device for gas input, a water inlet and a water outlet for water flow to pass through are arranged in the box body; the box cover is provided with an air pressure balancing device; the film assembly is rotatably connected in the box body; a connecting rod is fixedly arranged at the center of one side of the box body, which is opposite to the base, and a plurality of magnetic materials are arranged around the connecting rod;
the connecting part is arranged in the center of the base and hinged with the connecting rod; counter bores corresponding to the magnetic materials are annularly arranged on the periphery of the connecting part, electromagnets for controlling deflection of the reaction box are arranged in the counter bores, and the electromagnets and the magnetic materials are arranged at intervals in height; and part of the electromagnets are close to each other by adsorbing the corresponding magnetic materials, so that the reaction box deflects up and down.
2. The photocatalytic nitrogen fixation reactor as set forth in claim 1, characterized in that: the one end that the reaction box was kept away from to the connecting rod is equipped with the bulb, connecting portion are for inlaying the ball cover on the base, the ball cover is articulated with the bulb.
3. The photocatalytic nitrogen fixation reactor as set forth in claim 1, characterized in that: the membrane assembly comprises a hollow frame and a catalytic membrane fixed in the hollow frame; connecting holes are formed in the two ends of the hollow frame, the connecting holes are rotatably connected with the side wall of the box body through connecting rods, and the connecting holes are driven to rotate through a driver arranged on the box body.
4. The photocatalytic nitrogen fixation reactor as set forth in claim 1, characterized in that: the gas input device comprises a gas transmission port, a main pipeline communicated with the gas transmission port, a plurality of gas transmission branch pipes vertically communicated with the main pipeline, and gas outlet positions arranged on the gas transmission branch pipes;
the gas transmission port penetrates through the box body and is communicated with the main pipeline; the main pipeline is transversely arranged along the side wall of the box body, and the gas transmission branch pipes are uniformly and alternately laid at the bottom of the box body; the air outlet position consists of a plurality of air outlet holes, and the air outlet holes are formed towards the film assembly.
5. The photocatalytic nitrogen fixation reactor as set forth in claim 4, characterized in that: the gas transmission branch pipe is provided with 11, and each gas transmission branch pipe is provided with 3 gas outlet positions at intervals.
6. The photocatalytic nitrogen fixation reactor as set forth in claim 1, characterized in that: the air pressure balancing device is arranged on one side edge of the box cover, and a plurality of air outlets are formed in the air pressure balancing device.
7. The photocatalytic nitrogen fixation reactor as set forth in claim 1, characterized in that: the magnetic material is a magnet.
8. The photocatalytic nitrogen fixation reactor as recited in claim 7, wherein: the number of the magnets is 6, and the magnets are arranged in a regular hexagon; the counter bores on the base are also provided with 6 counter bores which are arranged in a regular hexagon, and grooves for installing power supply lines are also arranged among the counter bores.
9. The photocatalytic nitrogen fixation reactor as recited in claim 1, wherein: the reaction box is a transparent acrylic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600805.4A CN114768718A (en) | 2022-05-30 | 2022-05-30 | Photocatalysis nitrogen fixation reaction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210600805.4A CN114768718A (en) | 2022-05-30 | 2022-05-30 | Photocatalysis nitrogen fixation reaction device |
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| CN202210600805.4A Pending CN114768718A (en) | 2022-05-30 | 2022-05-30 | Photocatalysis nitrogen fixation reaction device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555062A (en) * | 2009-05-22 | 2009-10-14 | 武汉理工大学 | Photocatalytic water treatment reactor |
| CN110280195A (en) * | 2019-05-28 | 2019-09-27 | 浙江工业大学 | A kind of light-catalyzed reaction system and its application during artificial fixed nitrogen |
| CN110387314A (en) * | 2019-08-15 | 2019-10-29 | 陶玲 | A kind of Self-adjusting bioreactor |
| CN114014405A (en) * | 2022-01-05 | 2022-02-08 | 济南天邦化工有限公司 | Waste water treatment recovery system of smart glufosinate-ammonium solvent |
| CN216396377U (en) * | 2021-10-25 | 2022-04-29 | 江苏七洲绿色科技研究院有限公司 | Continuous production system for gas-liquid two-phase application |
-
2022
- 2022-05-30 CN CN202210600805.4A patent/CN114768718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555062A (en) * | 2009-05-22 | 2009-10-14 | 武汉理工大学 | Photocatalytic water treatment reactor |
| CN110280195A (en) * | 2019-05-28 | 2019-09-27 | 浙江工业大学 | A kind of light-catalyzed reaction system and its application during artificial fixed nitrogen |
| CN110387314A (en) * | 2019-08-15 | 2019-10-29 | 陶玲 | A kind of Self-adjusting bioreactor |
| CN216396377U (en) * | 2021-10-25 | 2022-04-29 | 江苏七洲绿色科技研究院有限公司 | Continuous production system for gas-liquid two-phase application |
| CN114014405A (en) * | 2022-01-05 | 2022-02-08 | 济南天邦化工有限公司 | Waste water treatment recovery system of smart glufosinate-ammonium solvent |
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