CN217077615U

CN217077615U - Novel membrane immobilization bionic photoreactor

Info

Publication number: CN217077615U
Application number: CN202121427399.3U
Authority: CN
Inventors: 黄玉红; 纪秀玲; 张锁江
Original assignee: Institute of Process Engineering of CAS
Current assignee: Institute of Process Engineering of CAS
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-29
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a membrane immobilization bionic photoreactor which uses solar energy to efficiently regenerate coenzyme NADH/NADPH under mild conditions by referring to photosynthesis in the nature and a preparation method thereof. The novel membrane immobilized bionic photoreactor comprises a reaction tank, a gland nut, a quartz glass sheet, a thermocouple sleeve, a welding ground plate plug, a magneton support glass sheet, a fixed rod and a support frame; the wall of the reaction tank shell is respectively provided with a reaction liquid inlet and outlet, a gas inlet and outlet, a circulating water inlet and outlet and a pressure gauge, so that the reaction tank not only is more suitable for gas-liquid-solid three-phase reaction than the traditional reaction tank, but also can strengthen the photoreaction effect; the reactor is also equipped with a temperature sensor for monitoring the internal temperature. The device has reasonable design structure, simple preparation process, high energy conversion efficiency, low cost of stainless steel materials, long service life and the like, and provides reference for manufacturing of photoreaction large-scale industrial production equipment.

Description

Novel membrane immobilization bionic photoreactor

Technical Field

The utility model belongs to the technical field of the photoreaction equipment, concretely relates to borrow from natural photosynthesis, utilize solar energy high efficiency regeneration coenzyme NADH/NADPH's novel membrane immobilization bionic photoreactor under mild condition.

Background

The breakthrough of high-efficiency activation and economic transformation is an important opportunity for low-carbon transformation of an energy structure and is also the key of industrialization. The efficient and selective biotransformation can directionally convert CO2 into high-value fuels and chemicals under mild conditions, is a very important environment-friendly clean energy production process, but lacks a matched green efficient coenzyme regeneration process. The coenzyme reduced Nicotinamide Adenine Dinucleotide (NADH) or a phosphorylated form (NADPH) thereof transfers electrons and energy to an enzyme activity center to provide reducing power for CO2 conversion, and is consumed, and plays an important role in the process of biocatalytic conversion of CO 2. However, since these coenzymes are expensive, efficient regeneration and reuse of coenzymes are important prerequisites for continuous production and industrialization of such reactions.

In recent years, with the development of technology and the cross-fusion between disciplines, the research on the regeneration of coenzyme NADH/NADPH by light reaction has made a great breakthrough. The photoreaction regeneration enzyme method uses the concept of photosynthesis of green plants in the nature as reference, utilizes clean and cheap sunlight to induce and excite electron transfer to regenerate coenzyme NADH/NADPH, has the advantages of simple construction process and green reaction process, can effectively reduce the cost of industrial production, and improves the level of circular economy. Meanwhile, continuous production of the photoreactive regenerated coenzyme system needs to be effectively constructed in a suitable reactor. Therefore, the photoreactor is also one of the key technologies for realizing the industrial application of the CO2 biotransformation. The current membrane reactor mainly supports the construction of enzyme method and electrochemical method regenerated coenzyme system, and no published data shows that the reactor can support the construction of effective photoreaction regenerated coenzyme NADH/NADPH system.

The utility model discloses utilize superior load of membrane material and selective separation characteristic to support to establish light reaction regeneration coenzyme NADH/NADPH system, be the experiment or the apparatus for producing of reaction and separation coupling, have collection product separation, purification and catalyst recycle in characteristics of an organic whole. In addition, the special structure and function of the present invention can not only realize the continuous light regeneration reaction and promote the light reaction to proceed toward the direction favorable for generating the product, but also support the effective construction of other coenzyme regeneration systems (such as enzyme method and electrochemical method) like the existing membrane reactor. Therefore, the utility model has important significance for the industrial application of the biotransformation of CO 2.

Disclosure of Invention

To prior art not enough, the utility model provides a membrane immobilization bionical light reactor utilizes solar energy and reactor looks coupling, realizes coenzyme NADH/NADPH's serialization, low-cost production through bionical light reactor's correlation structure to solve the problem that conventional membrane reactor does not support photoreaction regeneration coenzyme NADH/NADPH. The bionic photoreactor has the advantages of simple preparation method, low cost, uniform phase mixing, obvious reaction strengthening effect and good application prospect in industrial production.

Technical scheme

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a membrane immobilization bionic photoreactor, hold in the palm glass piece, dead lever, stand and temperature sensor including reaction tank, gland nut, quartz glass piece, thermocouple sleeve pipe, welding ground dish sprue, magnon.

The top of the reaction tank is provided with a quartz glass sheet, a gland and a gland nut, and the side surface of the shell of the reaction tank is provided with a gas inlet, a gas outlet, a reaction liquid inlet, a thermocouple sleeve pipe for monitoring the internal temperature and pressure and a pressure gauge; a jacket is arranged outside the reaction tank, and a jacket water inlet and a jacket water outlet are arranged on the jacket; the bottom of the reaction tank is provided with a welding ground plate plugging port and a welding ground plate, and the ground plate is provided with a reaction liquid outlet.

In the bionic photoreactor, the inner wall of the reaction tank is coated with an anti-sticking coating.

In the bionic photoreactor, the upper end of the quartz glass sheet at the top of the reaction tank is provided with an external visible light source.

In the bionic photoreactor, a support frame is arranged in the reaction tank, and the support frame is arranged at the top of the reaction tank and is opposite to the welding ground plate.

In the bionic photoreactor, a magneton support glass sheet is arranged in the reactor and is arranged at the top of the welding ground plate.

In the bionic photoreactor, a gas inlet and outlet, a reaction liquid inlet and outlet, a circulating water inlet and outlet, a thermocouple sleeve for monitoring internal temperature and pressure and a pressure gauge are arranged on the side surface of a shell of a reaction tank, wherein the gas inlet and outlet and the circulating water inlet and outlet are arranged oppositely.

The fixed membrane in the bionic photoreactor is flaky, is supported by a welding ground disc, is sealed by a stainless steel sealing ring with rubber on the inner side and is fixed by a stainless steel threaded ferrule, and has the characteristics of integrating product separation, purification and photocatalyst recycling.

Advantageous effects

The utility model has the advantages that:

(1) the membrane immobilized bionic photoreactor has reasonable design, and the gland, the quartz glass sheet, the thermocouple sleeve, the magneton support glass sheet, the support frame and the temperature sensor have independent structures, so that the service life of the reactor can be prolonged;

(2) the structure of the membrane immobilization bionic photoreactor with the independent gas inlet and outlet and reaction liquid inlet and outlet greatly improves the contact area of the gas and the reaction liquid, thereby improving the solubility of the gas in the reaction liquid or being beneficial to the degassing of the reaction liquid;

(3) the membrane material which can be used for fixing the photocatalyst in the membrane immobilization bionic photoreactor has the characteristics of integrating product separation, purification and photocatalyst recycling;

(4) the jacket structure of the membrane immobilized bionic photoreactor of the utility model can realize the uniform control of the temperature of the reaction liquid through proper circulating water temperature, and ensure the stable reaction condition;

(5) the membrane immobilization bionic photoreactor has simple preparation process, low cost, easy process control and simple operation, and is very suitable for amplification production and industrial application.

The device has simple preparation process, easily controlled size and low cost of stainless steel materials, and can realize linear amplification of a continuous production mode; the novel membrane immobilized bionic photoreactor has good mixing effect among phases, obvious reaction strengthening effect and good application prospect in industrial production.

Drawings

FIG. 1 is a structural engineering view (1-1 and 1-2) and a sectional view (A-A, B-B and C-C) of the reaction tank of the present invention.

Fig. 2 is a view of the gland structure engineering drawing, a cross-sectional view (a-a) and a partial view (3: 1).

FIG. 3 is a plan view and a side view of the structure of the quartz glass plate of the present invention.

Fig. 4 is a structural engineering drawing of the thermocouple casing of the present invention.

Fig. 5 is a structural engineering drawing and a sectional view (C-C) of the compression nut of the present invention.

Fig. 6 is a sectional view (C-C) of the welding floor structure of the present invention.

Fig. 7 is the engineering drawing of the welding floor block structure of the utility model.

Fig. 8 is a plan view and a side view of the magneton holder glass sheet of the present invention.

Fig. 9 is a plan view and a side view of the magnetic substructure of the present invention.

Fig. 10 is a sectional view of the fixing rod structure of the present invention.

Fig. 11 is a plan view and a sectional view of the holder structure of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. It should be understood, however, that various modifications and substitutions may be made thereto without departing from the scope of the invention which is defined by the appended claims. The detailed description and drawings are to be regarded as illustrative rather than restrictive, and any such modifications and variations are intended to be included within the scope of the present invention as described herein. Furthermore, the background is intended to illustrate the present state of research and development and the meaning of the invention, and is not intended to limit the field of application of the invention.

) As shown in fig. 1-11, the novel membrane immobilized photoreactor of the present invention comprises a reaction tank (fig. 1), a press cover (fig. 2), a quartz glass plate (fig. 3), a thermocouple sleeve (fig. 4), a gland nut (fig. 5), a welding ground plate (fig. 6), a welding ground plate plug (fig. 7), a magneton support glass plate (fig. 8), a magneton (fig. 9), a fixing rod (fig. 10), a support frame (fig. 11), and a temperature sensor.

The top of the reaction tank (figure 1) is provided with a quartz glass sheet (figure 3), a gland (figure 2) and a gland nut (figure 5), and the side surface of the shell of the reaction tank is provided with a gas inlet, a gas outlet, a reaction liquid inlet, a thermocouple sleeve (figure 4) for monitoring the internal temperature and pressure and a pressure gauge; a jacket is arranged outside the reaction tank, and a jacket water inlet and a jacket water outlet are arranged on the jacket; the bottom of the reaction tank is provided with a welding ground plate plugging port (figure 7) and a welding ground plate (figure 6), and the ground plate is provided with a reaction liquid outlet.

Further, the inner wall of the reaction cell (FIG. 1) is coated with an anti-sticking coating.

Further, the upper end of the quartz glass sheet (figure 3) at the top of the reaction cell (figure 1) is provided with an external visible light source.

Furthermore, a support frame (FIG. 11) is arranged in the reaction tank (FIG. 1), and the support frame is arranged at the top of the reaction tank and is opposite to the welding ground plate (FIG. 6).

Further, a magneton glass plate (fig. 8) is arranged in the reactor (fig. 1), and the magneton glass plate (fig. 8) is arranged on the top of the welding ground plate (fig. 6).

Further, a gas inlet and outlet, a reaction liquid inlet and outlet, a circulating water inlet and outlet, a thermocouple sleeve (shown in fig. 4) for monitoring the internal temperature and pressure, and a pressure gauge are arranged on the side surface of the shell of the reaction tank (shown in fig. 1), wherein the gas inlet and outlet and the circulating water inlet and outlet are arranged oppositely.

Further, the phase of the reactant is a liquid phase, enters the reaction tank (figure 1) from the reactant inlet, and flows out of the reaction tank from the reactant outlet; the phase of the reactant is liquid phase and/or gas phase, and enters the reactor from a shell-side reaction liquid inlet and a gas inlet on the side surface of the reaction tank, and the corresponding outlet is used for removing the phase of the reactant.

Further, the reaction liquid can be mixed with the gas in the reaction tank through the gas inlet by controlling the operating pressure of the reactant phase, and further reacted.

Further, the fixed membrane is sheet-shaped, is supported by a welding ground disc (figure 6), is sealed by a stainless steel sealing ring with rubber on the inner side, and is fixed by a stainless steel threaded ferrule, and the fixed membrane has the characteristic of integrating product separation, purification and photocatalyst recycling.

When the device is used, reaction liquid enters the surface of a fixed membrane supported by a welding ground plate (figure 6) in a reaction tank through a liquid inlet on the side surface of a shell of the reaction tank (figure 1), gas enters the reaction tank (figure 1) through a gas inlet, and the solution is subjected to photoreaction under the irradiation of an external light source. In the reaction process, the solution is stirred by magnetons (figure 9) to react uniformly, the light reaction conditions are monitored by a temperature sensor and a pressure gauge, if the temperature and the pressure are abnormal, the temperature of the reaction solution is controlled by regulating and controlling a water inlet and a water outlet of a jacket respectively, water with proper temperature is introduced into the jacket, and the internal pressure of the reaction tank is controlled by adjusting the gas flow rate.

Claims

1. The utility model provides a novel membrane immobilization bionic photoreactor, includes reaction tank, gland nut, quartz glass piece, thermocouple sleeve pipe, welding ground dish sprue, magnon hold in the palm glass piece, dead lever, stand and temperature sensor, its characterized in that: the top of the reaction tank is provided with a quartz glass sheet, a gland and a gland nut, and the side surface of the shell of the reaction tank is provided with a gas inlet, a gas outlet, a reaction liquid inlet, a thermocouple sleeve pipe for monitoring the internal temperature and pressure and a pressure gauge; a jacket is arranged outside the reaction tank, and a jacket water inlet and a jacket water outlet are arranged on the jacket; the bottom of the reaction tank is provided with a welding ground plate plugging port and a welding ground plate, and the ground plate is provided with a reaction liquid outlet.

2. The novel membrane immobilized biomimetic photoreactor according to claim 1, characterized in that: the inner wall of the reaction tank is coated with an anti-sticking coating.

3. The novel membrane immobilized biomimetic photoreactor according to claim 1, characterized in that: an external visible light source is arranged at the upper end of the quartz glass sheet at the top of the reaction tank.

4. The novel membrane immobilized biomimetic photoreactor according to claim 1, characterized in that: the reaction tank is internally provided with a support frame which is arranged at the top of the reaction tank and is opposite to the welding ground plate.

5. The novel membrane immobilized biomimetic photoreactor according to claim 1, characterized in that: a magneton support glass sheet is arranged in the reactor and is arranged at the top of the welding ground plate.

6. The novel membrane immobilized biomimetic photoreactor according to claim 1, characterized in that: the side surface of the reaction tank shell is provided with a gas inlet and outlet, a reaction liquid inlet and outlet, a circulating water inlet and outlet, a thermocouple sleeve and a pressure gauge for monitoring the internal temperature and pressure, wherein the gas inlet and outlet and the circulating water inlet and outlet are arranged oppositely.

7. The novel membrane immobilized biomimetic photoreactor according to claim 1, characterized in that: the fixed membrane is in a sheet shape, is supported by a welding ground disc, is sealed by a stainless steel sealing ring with rubber on the inner side, and is fixed by a stainless steel threaded ferrule.