CN214422396U

CN214422396U - Multiphase hypergravity micro-reaction wastewater treatment device

Info

Publication number: CN214422396U
Application number: CN202120064513.4U
Authority: CN
Inventors: 姬保江
Original assignee: Dalian Dowellone Membrane Technology Co ltd
Current assignee: Dalian Dowellone Membrane Technology Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-19
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a heterogeneous hypergravity micro reaction effluent treatment plant, including alkalization reactor, carbonization reactor, whirl sediment ware, ceramic membrane, alkalization reactor top entry links to each other with alkali lye pipeline a, alkalization reactor bottom export links to each other with carbonization reactor one side entry, carbonization reactor another side entry links to each other with alkali lye pipeline b, and carbonization reactor top entry links to each other with carbon dioxide pipeline, carbonization reactor bottom export links to each other with the ceramic membrane entry, the ceramic membrane export is heavy a ware lateral part entry with the whirl and is linked to each other, the circulation delivery port that the ware was heavy to the whirl sinks to the ware top entry, alkalization reactor lateral part entry respectively to link to the whirl. The device has the characteristics of simple manufacture, low cost, low maintenance cost, improvement of economic benefits of enterprises, and easiness in large-scale production.

Description

Multiphase hypergravity micro-reaction wastewater treatment device

Technical Field

The utility model belongs to the technical field of chemical industry high salt high hard waste water treatment, concretely relates to heterogeneous hypergravity micro-reaction effluent treatment plant.

Background

The traditional microreactors have the problem of small space size, although the traditional microreactors have obvious advantages in many aspects, the traditional microreactors are limited by the volume of equipment, multiple microreactors are required for industrial production, the occupied area is large, the maintenance cost is high, the process pipeline is complex, the processing capacity of a single microreactor is limited, the traditional microreactor is not suitable for large-scale chemical reactions, and the traditional microreactors are large in processing difficulty and often have high equipment investment cost. On the other hand, chemical reactions required by wastewater treatment usually adopt a reaction tank, a reaction kettle and the like, and have the problems of unstable water quality, large occupied area, complex process, low reaction efficiency, mechanical stirring, high medicament consumption, unstable operation and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heterogeneous hypergravity microreaction effluent treatment plant to current microreaction technique not enough, and the reaction tube is thick promptly, and the mixing effect is relatively poor, can not realize even and quick mixture, and the space size is on the small side, is difficult for enlargiing to carry out scale production, the higher scheduling problem of equipment investment cost, this application provides.

In order to achieve the purpose, the technical scheme of the application is as follows: the utility model provides a heterogeneous hypergravity micro reaction effluent treatment plant, includes alkalization reactor, carbonization reactor, whirl deposits ware, ceramic membrane, alkalization reactor top entry links to each other with alkali lye pipeline a, alkalization reactor bottom export links to each other with carbonization reactor one side entry, carbonization reactor another side entry links to each other with alkali lye pipeline b, carbonization reactor top entry links to each other with carbon dioxide pipeline, carbonization reactor bottom export links to each other with the ceramic membrane entry, the ceramic membrane export links to each other with whirl deposits ware side entry, whirl deposits the circulation delivery port of ware and links to each other to whirl deposits ware top entry, alkalization reactor side entry respectively.

Furthermore, a circulating water outlet of the rotational flow precipitator is connected with a return pipeline, and a circulating pump is arranged on the return pipeline.

Further, an outlet at the bottom of the rotational flow settler is connected with a discharge pipeline.

Furthermore, the return pipeline is connected with the brine conveying pipeline, and the connection point is positioned in front of the circulating pump.

Furthermore, the lower part of the rotational flow precipitator adopts a reducing spiral structure.

Furthermore, the lateral inlets of the alkalization reactor, the carbonization reactor and the rotational flow settler are connected with the body in a side wall tangent mode.

Furthermore, a high-pressure pump is arranged on the alkali liquor conveying pipeline a, and a nozzle is arranged at the top of the alkalization reactor.

Furthermore, a membrane element is arranged in the alkalization reactor.

As a further step, the side wall of the carbonization reactor is provided with an alkali liquor inlet which is arranged in a straight-through manner, and the top of the carbonization reactor is provided with a gas injection inlet.

As a further step, the lower part of the rotational flow precipitator is provided with a circulating water outlet which is obliquely inserted along the tangential direction.

The utility model discloses owing to adopt above technical scheme, can gain following technological effect: the utility model provides a heterogeneous hypergravity microreaction effluent treatment plant, not confine to the medium form, gaseous phase, liquid phase, solid phase particle etc. homoenergetic accurate control reaction and reaction condition have realized green safe multi-functional production demand. The whole device adopts a reflux design, can freely adjust a circulation mode according to different requirements, controls the retention time and achieves the reaction effect. The device has the characteristics of simple manufacture, low cost, low maintenance cost, improvement of economic benefits of enterprises, and easiness in large-scale production.

Drawings

FIG. 1 is a schematic diagram of a multiphase hypergravity micro-reaction wastewater treatment device;

the sequence numbers in the figures illustrate: 1. an alkali liquor conveying pipeline a; 2. a lye conveying pipeline b; 3. a carbon dioxide delivery line; 4. an alkalization reactor; 5. a carbonization reactor; 6. a rotational flow precipitator; 7. a return line; 8. a circulation pump; 9. a ceramic membrane; 10. a brine conveying pipeline.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific embodiments: the present application is further described by taking this as an example.

Example 1

As shown in fig. 1, the present embodiment provides a multiphase hypergravity micro-reaction wastewater treatment apparatus, which is suitable for chemical high-salt wastewater and ion exchange wastewater of various industries. The device comprises an alkalization unit, a carbonization unit and a precipitation unit, wherein the alkalization unit comprises an alkalization reactor, a matched pipeline instrument valve and the like; the carbonization unit comprises a carbonization reactor, a matched pipeline instrument valve and the like; the sedimentation unit comprises a rotational flow sedimentation device, a matched pipeline instrument valve and the like.

The device is suitable for a high-salinity high-hardness wastewater treatment process, raw water is pressurized by a water feeding pump and then is fed into the alkalization reactor at a high speed, nanoparticle crystal nuclei are generated through alkalization treatment, the effluent of the alkalization reactor enters the carbonization reactor by virtue of excess pressure, the micro-reaction of carbon dioxide, alkali liquor and wastewater is realized, nanoparticles are generated, and then the nanoparticles enter the cyclone precipitator to generate nanoparticle products.

The alkalization reactor can realize the mixing of two liquid materials, the inlet liquid enters at high speed along the side wall of the reactor body in a tangential mode to generate an accelerated centrifugal force, and the inlet liquid and the liquid flowing out of the internal parts realize molecular-level collision mixing, so that the alkalization reactor has the characteristics of quick reaction and high efficiency; the carbonization reactor can realize the mixing of various gas-liquid materials, stock solution is cut in at a high speed from the side wall to form a supergravity flow, and after the supergravity flow collides with the alkali liquor entering from the side at a high speed, the stock solution is mixed with gas molecules entering from the top again at the same time to form mixed fluid which flows out of the reactor body in a high-speed rotating manner; the cyclone precipitator has the function of controlling the particle size, so that the stable properties and uniform particle size of the nano particles are realized.

The device has the characteristics of small volume, high efficiency, low energy consumption, thorough reaction and the like, and a plurality of micro-reaction wastewater treatment devices which are connected in series or in parallel can be sequentially arranged according to the characteristics of feed liquid to meet different reaction requirements; the cyclone settler can be of a vortex structure or a spiral structure and is suitable for mixing and discharging gas, liquid, solid powder and the like flowing into the body. The spiral or vortex structure is adopted, so that two liquids or gas-liquid phases entering the micro-reaction channel are alternately collided and mixed in the reactor.

The alkalization reactor is internally provided with a membrane element or a porous membrane component and a porous element with similar functions, and both gas phase and liquid phase have dispersion effects, so that the gas phase and the liquid phase are dispersed to nano-scale molecular particles, the contact area is increased, the reaction rate is accelerated, and the reaction effect is improved.

The main inlets of the alkalization reactor, the carbonization reactor and the rotational flow sedimentation reactor enter in a side wall tangent mode, and simultaneously rotate at a high speed, so that the flow speed can be increased again, and the reaction speed is accelerated.

The lower part of the rotational flow precipitator adopts a reducing spiral structure, so that the supergravity flow reaction is realized, the reaction rate is increased, and the reaction effect is improved.

The matching process of the device comprises the following steps:

the method comprises the following steps: the inlet water is mainly high-salinity wastewater sent by a circulating pump in the device, enters the alkalization reactor in a side wall tangent mode, is added with alkali liquor at the top of the alkalization reactor in a spraying mode, directly enters membrane elements in the alkalization reactor, is scattered on the outer wall of the membrane elements under the action of high-pressure spraying, reacts with the high-salinity high-hardness wastewater, and enters the carbonization reactor through an outlet at the bottom of the alkalization reactor after the reaction;

step two: the inlet of the carbonization reactor is also arranged on the side wall, the carbonization reactor enters the carbonization reactor in a high-flow-rate tangential direction and rotates at a high speed in the carbonization reactor, meanwhile, alkali liquor is introduced through an alkali liquor inlet which is directly arranged on the side wall, carbon dioxide is introduced through a gas injection inlet at the top, the alkali liquor and the carbon dioxide fully react to generate a precipitate, the precipitate enters a next-stage rotational flow precipitator through a spiral outlet at the bottom of the carbonization reactor, the outlet of the carbonization reactor can select the effluent direction according to the requirement, and the effluent can be directly discharged or can enter the next-stage precipitation;

step three: the entry of whirl clarifier is equally set up at the lateral wall to tangential direction gets into in this whirl clarifier of settling, it is equipped with along the tangential direction circulation delivery port of inserting to one side to sink the ware lower part at the whirl, the feed liquid is through circulation delivery port and the high hard waste water of external high salt together get into the circulating pump, the circulation pump back respectively flows back to whirl clarifier top and alkalization reactor lateral part entry, form backward flow formula circulation reaction flow, set up the outlet pipe way in whirl clarifier bottom, and for spiral binding off design, improve the velocity of flow once more, accelerate the reaction, simultaneously according to demand control feed liquid dwell time, guarantee crystal nucleus production and size evenly distributed, realize even ejection of compact.

The method can be used for preparing calcium carbonate and nano calcium carbonate from high-hardness wastewater, and has better practical value. The alkalization reactor, the carbonization reactor and the rotational flow settler are not limited to tubular structures, and can be adjusted into a disc spiral structure, a continuous bent pipe structure, a spherical interlinked structure and the like according to requirements; the feeding and discharging mode is not limited to tangential feeding and high-speed supergravity feeding, the flow rate and the flow direction can be adjusted according to requirements, and the reaction rate and the reaction effect can be improved in the modes of bidirectional downstream, bidirectional countercurrent, advection, turbulence combination and the like.

The above, only for the utility model discloses create the concrete implementation way of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any person skilled in this technical field is in the utility model discloses create the technical scope of disclosure, according to the utility model discloses the technical scheme of creation and utility model design equivalence replacement or change all should be covered in the protection scope of creation of the utility model.

Claims

1. The utility model provides a heterogeneous hypergravity micro reaction effluent treatment plant, its characterized in that, includes alkalization reactor, carbonization reactor, whirl deposits and changes ware, ceramic membrane, alkalization reactor top entry links to each other with alkali lye pipeline a, alkalization reactor bottom export links to each other with carbonization reactor one side entry, carbonization reactor another side entry links to each other with alkali lye pipeline b, carbonization reactor top entry links to each other with carbon dioxide pipeline, carbonization reactor bottom export links to each other with the ceramic membrane entry, the ceramic membrane export links to each other with whirl deposits ware side entry, whirl deposits the circulation delivery port of ware and links to each other back respectively to whirl deposits ware top entry, alkalization reactor side entry.

2. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, wherein a circulating water outlet of the cyclone settler is connected with a return pipeline, and a circulating pump is arranged on the return pipeline.

3. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, wherein the bottom outlet of the cyclone settler is connected with a discharge pipeline.

4. The apparatus of claim 2, wherein the return line is connected to the brine supply line and the connection point is located in front of the circulation pump.

5. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, wherein the lower part of the rotational flow settler adopts a reducing spiral structure.

6. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, characterized in that the lateral inlets of the alkalization reactor, the carbonization reactor and the cyclone settler are connected with the body in a side wall tangent mode.

7. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, characterized in that the lye delivery pipeline a is provided with a high pressure pump and the top of the alkalization reactor is provided with a nozzle.

8. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, characterized in that membrane elements are arranged in the alkalization reactor.

9. The apparatus of claim 1, wherein the carbonization reactor has an alkali inlet on its side wall and a gas injection inlet on its top.

10. The multiphase hypergravity micro-reaction wastewater treatment device according to claim 1, wherein the lower part of the rotational flow settler is provided with a circulating water outlet which is obliquely inserted along the tangential direction.