CN212524055U - Staggered covering-proof photocatalytic reactor device and application system thereof - Google Patents

Abstract

The utility model discloses a staggered prevents hiding photocatalytic reactor device and application system thereof, include: the reaction box is provided with an inlet and an outlet; a plurality of reactor units are arranged in the reaction box; wherein each reactor unit comprises: a fixed rod, a reaction surface and a catalyst carrier; the fixed rod is used for detachably mounting the reactor unit on the reaction box; the reaction surface is fixedly arranged on the top of the fixed rod; catalyst carriers are arranged on the periphery of the fixed rods in a staggered manner; the reactor unit comprises: a first reactor unit and a second reactor unit; wherein the height of the fixed rods of the first reactor unit is greater than the height of the fixed rods of the second reactor unit. The utility model can uniformly mix water and catalyst; the fluid in the reaction box can also participate in catalytic reaction; the photocatalyst is convenient to clean, disassemble and recycle, and the photocatalytic reaction rate can be improved.

Description

Staggered covering-proof photocatalytic reactor device and application system thereof

Technical Field

The utility model belongs to the technical field of the photocatalytic reactor, in particular to staggered prevents hiding photocatalytic reactor device and application system thereof.

Background

The photocatalytic reactor uses light to excite a semiconductor catalyst to effectively degrade organic matters, and is commonly used for converting carbon dioxide in the atmosphere to produce methanol and purifying wastewater and sewage. When the photocatalytic reactor is used, catalytic reaction needs to be carried out by matching with catalyst particles, and the existing photocatalytic reactor still has certain defects, including:

1. the existing photocatalytic reactor often cannot enable water to be uniformly mixed with a catalyst, the reaction efficiency is low, and the conversion rate of CO2 is slow;

2. the existing photocatalytic reactor is not convenient for the contact of the solution and the catalyst inside with the light when water enters, so that the formed effective catalytic surface is less;

3. the existing photocatalytic reactor is inconvenient for catalytic cleaning, replacement and recycling, and causes resource waste.

In view of the above, a need exists for a new staggered anti-shadow photocatalytic reactor device and an application system thereof.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a staggered form is prevented hiding photocatalytic reactor device and application system thereof to solve the photocatalytic reactor that exists at present and can not make water and the even mixture of catalyst, the speed of reaction is lower, and inside solution can not accept illumination, and effectual catalytic surface is less, the washing and the change of the catalyst of being not convenient for, causes one or more among the wasting of resources's the technical problem. The utility model can uniformly mix water and catalyst; the fluid in the reaction box can also participate in catalytic reaction; the photocatalyst is convenient to clean, disassemble and recycle, and the photocatalytic reaction rate can be improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a staggered form prevents hiding photocatalytic reactor device, include: a reaction box;

the reaction box is provided with an inlet and an outlet which are respectively used for introducing and discharging reactant solution;

a plurality of reactor units are arranged in the reaction box; wherein each reactor unit comprises: a fixed rod, a reaction surface and a catalyst carrier; the fixed rod is used for detachably mounting the reactor unit on the reaction box; the reaction surface is fixedly arranged on the top of the fixed rod; the catalyst carriers are arranged on the periphery of the fixed rod in a staggered manner and are used for fixedly arranging a reaction catalyst;

the reactor unit comprises: a first reactor unit and a second reactor unit; wherein the height of the fixed rods of the first reactor unit is greater than the height of the fixed rods of the second reactor unit.

The utility model is further improved in that a plurality of first reactor unit rows and second reactor unit rows are arranged in the reaction box along the flowing direction of reactant solution; wherein the first reactor unit row and the second reactor unit row are arranged at intervals.

A further development of the invention is that the reaction surface of the reactor unit is pyramidal or conical.

The utility model discloses a further improvement lies in, the reaction box is fusiform, and the entry sets up the constriction department in the middle of both ends respectively with the export.

The utility model discloses a further improvement lies in, the top of reaction box is provided with the quartz glass cover.

The utility model discloses a further improvement lies in, still includes: a compound parabolic concentrator and a linear fresnel array mirror array;

the linear Fresnel array reflector array is arranged below the reaction box, and the compound parabolic condenser is arranged above the reaction box; the linear Fresnel array reflector array is used for reflecting received light to the focal point of the compound parabolic concentrator; the compound parabolic condenser is used for reflecting the received light to the reaction box.

The utility model discloses a further improvement lies in, the angularly adjustable of compound parabolic concentrator and linear fresnel array reflector array.

The utility model relates to an application system of a staggered covering-proof photocatalytic reactor device, which adopts the staggered covering-proof photocatalytic reactor device as the device of the utility model; further comprising: CO2₂Aqueous solution tank, separator, methanol collection tank and CO₂An enrichment system;

the CO is₂The outlet of the aqueous solution tank is communicated with the inlet of the reaction box through a water inlet pipe;

the outlet of the reactor is communicated with the inlet of the separator through a water outlet pipe;

the product outlet of the separator is communicated with the inlet of the methanol collection tank, and the residual reactant outlet is communicated with the CO₂The inlet of the enrichment system is communicated with CO₂Outlet of the enrichment system and the CO₂The inlet of the water solution tank is communicated with the inlet of the water solution tank.

The utility model discloses a further improvement lies in, still includes: a compound parabolic concentrator and a linear fresnel array mirror array;

the linear Fresnel array reflector array is arranged below the reaction box, and the compound parabolic condenser is arranged above the reaction box; the linear Fresnel array reflector array is used for reflecting received light to the focal point of the compound parabolic concentrator; the compound parabolic condenser is used for reflecting the received light to the reaction box.

The utility model discloses a further improvement lies in, still includes: a circulation pump; the circulating pump is arranged on the water inlet pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a photocatalytic reactor device can make the even mixture of water and catalyst, and can make the inside fluid of reaction box also participate in catalytic reaction to be convenient for photocatalyst's washing, dismantlement and reuse improve photocatalytic reaction's speed. Specifically, the utility model discloses in, the reactor unit comprises the triplex, and central authorities are a dead lever, at the reaction surface of a pyramid in the top of dead lever, at dead lever staggered arrangement catalyst carrier all around, the catalyst carrier can be the cake form for the fixed catalyst that sets up, entire system's catalyst carrier all is fixed carrier, and the catalyst can not be along with fluid flow at the reaction in-process, and such benefit is the relative speed of increase fluid and catalyst, increases reaction rate. In addition, the reactor unit inside is composed of a reaction surface with a pyramid-shaped upper part, the center of the reactor unit is provided with a fixed rod, and round cake-shaped catalyst carriers are installed around the rod in a staggered mode.

In the device of the utility model, a plurality of first reactor unit rows and second reactor unit rows are arranged in the reaction box along the flowing direction of reactant solution; the first reactor unit line and the second reactor unit line are arranged at intervals, and two types of reactor units are arranged in the reaction box at intervals; the reactor units are arranged in the reaction box at intervals in height, so that the aim of destroying a boundary layer to ensure that fluid is fully contacted with the catalyst is fulfilled; the purpose of the high-low phase arrangement is to make better use of the light energy and to increase the number of reflections of the light inside the reactor.

In the device of the present invention, the reaction surface is pyramid-shaped or conical, which can reduce the reflection loss when the light enters the system.

The utility model discloses an among the device, the reaction box is "shuttle" shape, and the entry sets up in the middle narrower department with the export, and such purpose prevents to appear the backward flow in the edge.

In the utility model, a linear Fresnel array reflector array is arranged below the reaction box, and a compound parabolic condenser is arranged above the reaction box; the linear Fresnel array reflector array is used as a primary reflecting surface, the compound parabolic condenser is used as a secondary reflecting surface and provides light energy for the reaction box, and the light enters the system after twice refraction; the compound parabolic condenser and the linear Fresnel array reflector array can be structurally adjusted according to the local solar incident angle, and the purpose of efficiently utilizing light energy is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of an interlaced anti-covering photocatalytic reactor device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the reactor unit array inside the reaction chamber in the embodiment of the present invention;

FIG. 3 is a schematic top view of an array structure of reactor units according to an embodiment of the present invention;

fig. 4 is a schematic front view of fig. 3 according to an embodiment of the present invention;

fig. 5 is a left side view schematically illustrating fig. 3 according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another staggered anti-hiding photocatalytic reactor device according to an embodiment of the present invention;

fig. 7 is a schematic diagram of simulating the overall photon density in an embodiment of the present invention;

fig. 8 is a schematic diagram of simulating local photon density in an embodiment of the invention;

fig. 9 is a schematic structural diagram of an application system of an interlaced anti-hiding photocatalytic reactor device according to an embodiment of the present invention;

in fig. 1 to 9, 1, a fixing rod; 2. a reaction surface; 3. a catalyst support; 4. a reaction box; 5. a first reactor unit; 6. a second reactor unit; 7. a compound parabolic concentrator; 8. a linear fresnel array mirror array; 9. a water outlet pipe; 10. a separator; 11. a methanol collection tank; 12. CO2₂An enrichment system; 13. CO2₂An aqueous solution tank; 14. a circulation pump; 15. and (4) a water inlet pipe.

Detailed Description

In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following description, with reference to the drawings in the embodiments of the present invention, clearly and completely describes the technical solution in the embodiments of the present invention; obviously, the described embodiments are some of the embodiments of the present invention. Based on the embodiments disclosed in the present invention, other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, an exemplary embodiment of a staggered covering-proof photocatalytic reactor device includes:

the reaction box 4 is provided with an inlet and an outlet and is respectively used for introducing and discharging reactant solution; for example, in an example application where carbon dioxide is reduced to methanol, the reactant solution is an aqueous solution of carbon dioxide.

Preferably, the reaction chamber 4 is "shuttle" shaped, with the inlet and outlet arranged in the narrower middle, in order to prevent backflow at the corners; specifically, the whole path of the reaction box 4 is hexagonal, and the water inlet and the water outlet are narrowed, so that backflow at corners is avoided. The top of the reaction box 4 is provided with a water-proof glass cover to prevent liquid from splashing.

Be provided with a plurality of reactor units in the reaction box 4, every reactor unit all includes: a fixed rod 1, a reaction surface 2 and a catalyst carrier 3; wherein, the fixed rod 1 is used for detachably installing the reactor unit in the reaction box 4; the reaction surface 2 is fixedly arranged at the top of the fixed rod 1, and the reaction surface 2 is pyramid-shaped or conical, so that the reflection loss of light entering the system can be reduced; the catalyst carriers 3 are arranged on the periphery of the fixed rod 1 in a staggered mode, the catalyst carriers 3 can be in a round cake shape and are used for fixedly arranging catalysts, the catalyst carriers 3 of the whole system are fixed carriers, the catalysts cannot flow along with fluid in the reaction process, and the advantages that the relative speed of the fluid and the catalysts is increased, and the reaction rate is increased are achieved. In addition, the inner reactor unit is composed of a reaction surface 2 with a pyramid-shaped upper part, a fixed rod 1 is arranged in the center, and round cake-shaped catalyst carriers 3 are installed on the periphery of the rod in a staggered mode.

Preferably, the reactor unit comprises: a first reactor unit 5 and a second reactor unit 6; wherein the height of the fixed bars 1 of the first reactor unit 5 is greater than the height of the fixed bars 1 of the second reactor unit 6.

In the embodiment of the utility model, a plurality of first reactor unit rows and second reactor unit rows are arranged in the reaction box 4 along the flowing direction of reactant solution; the first reactor unit line and the second reactor unit line are arranged at intervals, two types of reactor units are arranged in the reaction box 4 at intervals, and the purpose of the high-low interval arrangement is to better utilize light energy and increase the reflection times of light rays in the reactor.

Referring to fig. 6, in the embodiment of the present invention, the system further includes: a compound parabolic concentrator 7 and a linear fresnel array mirror array 8;

the linear Fresnel array reflector array 8 is arranged below the reaction box 4, and the compound parabolic condenser 7 is arranged above the reaction box 4; wherein the linear fresnel array mirror array 8 is used for reflecting the received light to the focal point of the compound parabolic concentrator 7; the compound parabolic concentrator 7 is used to reflect the received light into the reaction box 4. In the embodiment of the utility model, a linear Fresnel array reflector array 8 is arranged below the reaction box 4, and a compound parabolic condenser 7 is arranged above the reaction box; the linear Fresnel array reflector array 8 is used as a primary reflecting surface, the compound parabolic condenser 7 is used as a secondary reflecting surface and provides light energy for the reaction box 4, and the light enters the system after being refracted twice; the compound parabolic condenser 7 and the linear Fresnel array reflector array 8 can be structurally adjusted according to the local solar incident angle, so that the purpose of efficiently utilizing light energy is achieved.

Referring to fig. 7 and 8, in fig. 7, the photon density of the photocatalytic reaction system is measured by using the SolTrace software, light is incident from the right above the system, primary reflection occurs on the fresnel array located below the reactor, the light is converged into the compound parabolic condenser located above the reactor, secondary reflection occurs in the compound parabolic condenser, and the light is converged into the reactor to provide light energy for the reactor. Fig. 8 is a diagram illustrating a single simulation of the secondary reflection process of the reaction system, where the reactor is located at the focus of the compound parabolic concentrator, and the compound parabolic concentrator can efficiently converge light rays with different incident angles to the focus, so that the light energy provided by the fresnel array can be more effectively utilized.

Referring to fig. 9, an application system of a staggered covering-proof photocatalytic reactor device according to an embodiment of the present invention includes: the device comprises a reaction box 4, a compound parabolic condenser 7, a linear Fresnel array reflector array 8, a circulating pump 14 and a fixing frame.

Reactor units with alternate heights are arranged in the reaction box 4, each reactor unit consists of three parts, the center of the reactor unit is provided with a fixed rod 1, and the top end of the fixed rod 1 is provided with a pyramid-shaped reaction surface 2, so that the reflection loss of light entering the system can be reduced; a series of round cake-shaped reaction surfaces 2 are arranged around the fixed rod 1 in a staggered way; the reactor units are arranged alternately in the reaction box 4 and have two types of heights. A group of linear Fresnel array reflector arrays 8 are arranged below the reaction box 4 to serve as primary reflecting surfaces, and a compound parabolic condenser 7 is arranged above the reaction box 4 to serve as secondary reflecting surfaces and collect solar energy into the reaction box 4.

The output end of the circulating pump 14 (which can be an air pump) is communicated with the inlet at the left end of the reaction box 4 through a water inlet pipe 15, the outlet at the right end of the reaction box 4 is fixedly provided with a water outlet pipe 9, the right end of the water outlet pipe 9 is connected with a connecting sleeve, and the right side of the water outlet pipe 9 is communicated with methanol and CO₂The purpose of the separator 10 of the aqueous solution is to separate the product from the unreacted reactants. The product flows into a methanol collection tank 11 and the unreacted raw material flows into CO₂ An enrichment system 12 for collecting carbon dioxide in the atmosphere and flowing CO again after the collection₂An aqueous solution tank 13 is pumped into the reaction tank 4 by a circulation pump 14.

Preferably, a glass water shield is covered above the reactor to prevent liquid splashing but not block light.

Preferably, each pie-shaped catalytic surface of each reactor unit is not shielded, so that the light energy utilization area is increased, and the fluid inside can be irradiated to form more catalytic surfaces. In addition, the reactor units in the reaction box can play a role of turbulent flow, damage the boundary layer of the fluid, increase the relative speed of the fluid and the catalyst and improve the reaction rate.

The catalyst is fixed in the reaction box through the reactor units, so that the aim of flushing the catalyst by fluid is fulfilled. Meanwhile, each reactor unit is detachable, and in the process of photocatalytic reaction, the service life of the catalyst is an important factor for limiting the reaction rate, so that the detachable reactor units are more convenient for cleaning and replacing the catalyst.

The embodiment of the utility model provides an in, adopt linear fei nieer array and CPC spotlight ware to provide illumination for the system, the main benefit is that this set of system can avoid pursuing sun illumination through adjusting installation angle for the system provides sufficient illumination for the reaction box under the condition that does not consume any energy.

In the embodiment of the utility model, fixed mounting has the inlet tube in the middle of the left end of reaction box is positive, is fixing the outlet pipe in the middle of the right-hand member is positive. CO is pumped by a circulating pump₂The method comprises the following steps that (1) aqueous solution is pumped into a reaction box, a linear Fresnel array is arranged below the reaction box to serve as a primary reflection surface, and a CPC condenser is arranged above the reaction box to serve as a secondary reflection surface to provide light energy for the reaction box; the linear Fresnel array can be optimally arranged according to the local illumination incidence angle, and 20-30 rectangular light reflecting plates can be installed according to different required illumination intensities, so that illumination is converged into the CPC condenser after being reflected, and the truncation height and acceptance half angle parameters of the CPC are properly optimized according to the local condition. The use of the set of light-gathering system can avoid tracking sunlight without external energy input. Graphite-like carbon nitride is selected as a catalyst in the reaction box and is arranged on the catalyst carrier of each reactor unit. The graphite-like nitrogen carbide can play a role in catalyzing CO in response to full-spectrum natural light₂And reduced to methanol.

To sum up, the utility model provides a photocatalytic reactor device can make the even mixture of water and catalyst, and can make the inside fluid of reaction box also participate in catalytic reaction to be convenient for photocatalyst's washing, dismantlement and reuse improve photocatalytic reaction's speed.

The above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same, although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify or equally replace the specific embodiments of the present invention, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention is within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a covering photocatalytic reactor device is prevented to staggered form which characterized in that includes: a reaction box (4);

the reaction box (4) is provided with an inlet and an outlet which are respectively used for introducing and discharging reactant solution;

a plurality of reactor units are arranged in the reaction box (4); wherein each reactor unit comprises: a fixed rod (1), a reaction surface (2) and a catalyst carrier (3); wherein the fixed rod (1) is used for detachably mounting the reactor unit on the reaction box (4); the reaction surface (2) is fixedly arranged at the top of the fixing rod (1); the catalyst carriers (3) are arranged on the periphery of the fixing rod (1) in a staggered mode, and the catalyst carriers (3) are used for fixedly arranging catalysts for reaction;

the reactor unit comprises: a first reactor unit (5) and a second reactor unit (6); wherein the height of the fixing rods (1) of the first reactor unit (5) is greater than the height of the fixing rods (1) of the second reactor unit (6).

2. The staggered anti-shadow photocatalytic reactor device according to claim 1, wherein a plurality of first reactor unit rows and second reactor unit rows are arranged in the reaction tank (4) along the flow direction of the reactant solution; wherein the first reactor unit row and the second reactor unit row are arranged at intervals.

3. A staggered, anti-hiding photocatalytic reactor device according to claim 1 wherein the reaction surfaces (2) of the reactor units are pyramidal or conical.

4. The staggered covering-proof photocatalytic reactor device as set forth in claim 1, characterized in that the reaction box (4) is shuttle-shaped, and the inlet and outlet are respectively disposed at the narrow part between the two ends.

5. The staggered shield-proof photocatalytic reactor device as set forth in claim 1, characterized in that a quartz glass cover is provided on the top of the reaction tank (4).

6. The staggered, anti-shrouding photocatalytic reactor device of claim 1, further comprising:

a compound parabolic concentrator (7) and a linear Fresnel array reflector array (8);

the linear Fresnel array reflector array (8) is arranged below the reaction box (4), and the compound parabolic condenser (7) is arranged above the reaction box (4); wherein the linear Fresnel array mirror array (8) is used for reflecting the received light to the focus of the compound parabolic concentrator (7); the compound parabolic condenser (7) is used for reflecting the received light into the reaction box (4).

7. The staggered anti-hiding photocatalytic reactor device according to claim 6, wherein the angle of the compound parabolic concentrator (7) and the linear Fresnel array mirror array (8) is adjustable.

8. An application system of a staggered anti-covering photocatalytic reactor device, which is characterized in that the staggered anti-covering photocatalytic reactor device is the device of claim 1; further comprising: CO2₂An aqueous solution tank (13), a separator (10), a methanol collection tank (11) and CO₂An enrichment system (12);

the CO is₂The outlet of the aqueous solution tank (13) is communicated with the inlet of the reaction box (4) through a water inlet pipe (15);

an outlet of the reaction box (4) is communicated with an inlet of the separator (10) through a water outlet pipe (9);

the product outlet of the separator (10) is communicated with the inlet of the methanol collecting tank (11), and the residual reactant outlet is communicated with the CO₂The inlet of the enrichment system (12) is communicated with CO₂An outlet of the enrichment system (12) and the CO₂The inlet of the water solution tank (13) is communicated.

9. The system for applying an interlaced anti-shadow photocatalytic reactor device as set forth in claim 8, further comprising: a compound parabolic concentrator (7) and a linear Fresnel array reflector array (8);

the linear Fresnel array reflector array (8) is arranged below the reaction box (4), and the compound parabolic condenser (7) is arranged above the reaction box (4); wherein the linear Fresnel array mirror array (8) is used for reflecting the received light to the focus of the compound parabolic concentrator (7); the compound parabolic condenser (7) is used for reflecting the received light into the reaction box (4).

10. The system for applying an interlaced anti-shadow photocatalytic reactor device as set forth in claim 8, further comprising: a circulation pump (14);

the circulating pump (14) is arranged on the water inlet pipe (15).

Images