CN212758630U

CN212758630U - Chemical reaction apparatus

Info

Publication number: CN212758630U
Application number: CN202020483098.1U
Authority: CN
Inventors: 焦其帅
Original assignee: Hebei Chemical and Pharmaceutical College
Current assignee: Hebei Chemical and Pharmaceutical College
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-03-23
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a chemical reaction device, which comprises a frame, two batching tanks arranged on the frame, a feed inlet and a liquid inlet arranged at the top of each batching tank, a stirrer arranged in each batching tank, a liquid outlet pipe arranged at the bottom of each batching tank, and a first control valve arranged on each liquid outlet pipe; the chemical reaction device also comprises a mixing reactor which is provided with a reaction channel and a liquid inlet channel which is arranged at the top of the reaction channel and can be communicated with the liquid outlet end of each liquid outlet pipe; flow meters are respectively arranged between each liquid outlet pipe and each liquid inlet channel, a collecting tank communicated with the reaction channel is arranged on the machine frame, and a discharging pipe and a second control valve are arranged at the bottom of the collecting tank. Chemical reaction device, can treat two kinds of reaction solution and dissolve and stir, can improve two kinds of mixes and the reaction effect of treating reaction solution through mixing the reactor, improve reaction efficiency.

Description

Chemical reaction apparatus

Technical Field

The utility model relates to a chemical reaction equipment technical field, in particular to chemical reaction device.

Background

In the prior art, before two solutions are subjected to a chemical reaction, the solutions are usually prepared and then reacted in a reaction vessel to obtain a reaction product. In the chemical reaction process, the flow rate of the solution, the reaction abundance of the two solutions in the reaction process and the like all affect the production state and efficiency of the product. Therefore, how to arrange a chemical reaction device to control the state of the solution and improve the efficiency of the chemical reaction has been a difficult problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a chemical reaction apparatus, which can perform a chemical reaction on two solutions and has a better reaction effect.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a chemical reaction apparatus mounted on a frame, the chemical reaction apparatus comprising:

the mixing tanks are arranged on the frame, a feed inlet and a liquid inlet are formed in the top of each mixing tank, a stirrer is arranged in each mixing tank, and a liquid outlet pipe is formed in the bottom of each mixing tank;

the mixing reactor is arranged on the rack, and comprises a reaction channel and two liquid inlet channels which are arranged at the top of the reaction channel and respectively communicated with the liquid outlet ends of the liquid outlet pipes; a flow meter and a first control valve are respectively arranged between each liquid outlet pipe and the liquid inlet channel;

the collecting tank is arranged on the rack, the top of the collecting tank is communicated with the liquid outlet end of the reaction channel, the bottom of the collecting tank is provided with a discharging pipe, and a second control valve is arranged on the discharging pipe;

the drive division sets up respectively batching jar with mix between the reactor, in order to order about solution in the batching jar flows into correspondingly inlet channel.

Furthermore, the two liquid inlet channels and the reaction channel are connected into a Y shape.

Furthermore, two the inlet channel central lines coplane setting, and the contained angle between the two is greater than 25 and is less than 45.

Furthermore, a shell is arranged outside the tank body of each mixing tank, a heat insulation cavity is formed between the shell and the tank body in a surrounding mode, a water inlet pipe communicated with the heat insulation cavity is arranged at the bottom of the shell, and a water outlet pipe communicated with the heat insulation cavity is arranged at the top of the shell.

Furthermore, the chemical reaction device comprises a boiler, the water inlet pipe is communicated with the boiler, and a water pump and a third control valve are arranged on the water inlet pipe.

Furthermore, a thermometer for detecting the temperature in the heat preservation cavity is arranged on the shell.

Further, the liquid inlet channel is a vacuum heat preservation pipe.

Further, the ratio of the inner diameter of the reaction channel to the inner diameter of the liquid inlet channel is more than 2 and less than 3.

Furthermore, two opposite protrusions are arranged on the outer peripheral surface of the mixing reactor corresponding to the reaction channel, a mounting plate is arranged on the frame, mounting holes are formed in the mounting plate, first grooves for the protrusions to be inserted are formed in the mounting holes, second grooves for the protrusions to be screwed in around the axial direction of the protrusions are formed in the inner peripheral surface of the mounting holes, the second grooves are close to the bottoms of the second grooves, first limiting protrusions are arranged in the second grooves, and second limiting protrusions which can cross the first limiting protrusions and form the mixing reactor and are arranged in the mounting holes are formed in the outer peripheral surface of each protrusion.

Further, the driving part is a corrosion-resistant pump.

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

(1) chemical reaction unit, through setting up two batching jars, can treat reaction solution to two kinds and dissolve and stir to can be convenient for look over and control the flow of solution through setting up the flowmeter, can improve two kinds of mixings and the reaction effect of treating reaction solution through mixing the reactor, improve reaction efficiency, this chemical reaction unit's simple structure, convenient operation to can show the improvement and treat the mixed reaction effect of reacting two solutions, have better popularization meaning.

(2) The liquid inlet channel and the reaction channel are connected into a Y shape, the structure is simple, and the mixing and the reaction of two solutions to be reacted are facilitated.

(3) The arrangement of the included angle between the two liquid inlet channels can improve the mixing effect of the solution to be reacted flowing in the liquid inlet channels, and the liquid inlet channels are simple in structure and good in using effect.

(4) Through setting up the heat preservation cavity, accessible inlet tube and outlet pipe are to the heating water of its interior certain temperature of carrying to ensure the temperature control of treating reaction solution, this heating method's easy and simple to handle, temperature control is more even.

(5) Through setting up the boiler and can be for the heating water of the constant temperature of circulation in the insulation chamber to adjust the temperature of solution in the batching jar, reach better result of use.

(6) The temperature sensor is arranged to detect the temperature in the heat-insulating cavity, so that the temperature in the heat-insulating cavity can be checked and controlled conveniently.

(7) The liquid inlet channel and the reaction channel adopt vacuum heat preservation pipes, so that the temperature loss of the solution circulating in the liquid inlet channel and the reaction channel can be reduced, the structure is mature, and the heat preservation effect is good.

(8) Through setting up the flow area ratio of reaction channel and inlet channel, can produce the torrent when treating reaction solution inflow reaction channel, and then improve two and treat the mixed effect between the reaction solution, improve reaction efficiency.

(9) Adopt corrosion resistant pump as drive division, can do benefit to and prolong its life, and the product is ripe, and the purchase is convenient.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic structural diagram of a chemical reaction apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a mixing reactor according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a mixing reactor according to an embodiment of the present invention in a state where a part of the mixing reactor is mounted on a mounting plate;

FIG. 4 is a schematic structural view of the bottom of a mixing reactor according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a mounting plate portion according to an embodiment of the present invention;

description of reference numerals:

1-a first batching tank, 101-a feed inlet and 102-a liquid inlet;

2-a stirrer;

3-shell, 301-water inlet pipe, 302-water outlet pipe;

4-a flow meter, 5-a first control valve, 6-a corrosion-resistant pump and 7-a heat-insulating pipe;

8-mixing reactor, 801-liquid inlet channel, 802-reaction channel, 803-projection and 804-second limiting projection;

9-a second dosing tank, 10-a collection tank, 11-a second control valve;

12-mounting plate, 1201-mounting hole, 1202-first groove, 1203-second groove, 1204-first limit projection.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a chemical reaction device which is arranged on a frame and used for preparing two solutions to be reacted, reacting and collecting reactants. As shown in FIG. 1, the chemical reaction apparatus comprises two dosing tanks for dosing a solution to be reacted, a mixing reactor 8 for mixing and reacting the dosed solution to be reacted, and a collecting tank 10 for collecting a solution after the reaction, which are mounted on a frame. In the following description, a barium chloride solution and a sodium sulfate solution are reacted to produce a barium sulfate solution and a sodium chloride solution, and a preparation tank for preparing the barium chloride solution is referred to as a first preparation tank 1, and a reaction tank for preparing the sodium sulfate solution is referred to as a second preparation tank 9. Of course, the working principle of the chemical reaction device for the chemical reaction of other solutions is substantially the same as the using process of barium chloride and sodium sulfate, and the detailed description thereof is omitted here.

The first dosage tank 1 and the second dosage tank 9 have substantially the same structure, and the first dosage tank 1 is exemplified as follows, as shown in fig. 1, a feeding port 101 and a liquid inlet 102 are provided at the top of the dosage tank, wherein the feeding port 101 is used for placing the reactive barium chloride powder to be prepared into the first dosage tank 1, and the liquid inlet 102 is used for introducing deionized water into the first dosage tank 1. Barium chloride powder is dissolved in deionized water to obtain a barium chloride solution with a certain concentration.

In this embodiment, for the dissolution sufficiency and the dissolution efficiency of improvement barium chloride powder in the deionized water, still be equipped with agitator 2 in first batching jar 1, agitator 2 among this agitator 2 can adopt prior art, for example use agitator 2 on reation kettle, and it has the (mixing) shaft and sets up at the epaxial stirring structure of stirring. The stirrer 2 is driven by a motor positioned at the top of the first batching tank 1 to work, and the barium chloride powder and the deionized water are stirred and mixed by a stirring structure on the stirrer, so that a barium chloride solution with a certain proportion is prepared. Here, the part of the stirrer 2 extending into the first batching tank 1 is made of corrosion-resistant material, so as to prevent the corrosion of the stirrer 2 from affecting the purity of the barium chloride solution and shorten the service life of the stirrer 2. In addition, a liquid outlet pipe is arranged at the bottom of the first batching tank 1 so as to discharge the prepared barium chloride solution out of the first batching tank 1. Similarly, sodium sulfate powder and deionized water are put into the second batching tank 9, and are stirred and dissolved by the stirrer 2 on the second batching tank to obtain a sodium sulfate solution with a certain concentration.

In addition, the reaction between the barium chloride solution and the sodium sulfate solution needs to be maintained at the first temperature, i.e. the solutions in the first dispensing tank 1 and the second dispensing tank 9 should be at a certain temperature. Therefore, in this embodiment, the outer shell 3 is disposed outside the tank body of each ingredient tank, a heat preservation cavity is formed between the outer shell 3 and the tank body, the bottom of the outer shell 3 is provided with a water inlet pipe 301 communicated with the heat preservation cavity, and the top of the outer shell 3 is provided with a water outlet pipe 302 communicated with the heat preservation cavity. So set up, the rivers of uniform temperature can flow to the top by the bottom of heat preservation cavity through inlet tube 301, discharge via outlet pipe 302 at last to the realization is to the temperature control of solution in the corresponding batching jar. For obtaining the temperature value in the batching jar, still be equipped with temperature sensor and the display of being connected with temperature sensor electricity in the bottom of batching jar to the temperature value that shows and examine. And a thermometer is arranged on the shell to detect the temperature of water flow in the heat preservation cavity, so that the temperature in the batching tank can be conveniently controlled.

The chemical reaction apparatus in this embodiment further includes a boiler, the water inlet pipe 301 is connected to the boiler to input water at a certain temperature into the heat-insulating cavity, and the water inlet pipe 301 is provided with a water pump for driving the water in the boiler to flow into the water inlet pipe 301, and a third control valve for controlling the connection or disconnection between the water inlet pipe 301 and the boiler. It should be noted that, the boiler here can be a boiler in the prior art, and the product is mature and the use effect is good.

The mixing reactor 8 has a reaction channel 802 for chemical reaction between barium chloride solution and sodium sulfate solution, and a liquid inlet channel 801 disposed at the top of the reaction channel 802 and capable of communicating with the liquid outlet end of each liquid outlet pipe. As shown in fig. 2, the mixing reactor 8 in this embodiment is in a "Y" shape as a whole, and the two liquid inlet channels 801 and the reaction channel 802 in a connected state are also in a "Y" shape, that is, the barium chloride solution and the sodium sulfate solution flow into the top of the reaction channel 802 through the top, respectively, and then the two solutions are mixed and reacted in the reaction channel 802. Wherein, the joint of the inner sides of the two liquid inlet channels 801 is higher than the top of the reaction channel 802, and in addition, the liquid inlet channels 801 in the mixing reactor 8 can adopt vacuum heat preservation pipes in the prior art to achieve better heat preservation effect.

In addition, through repeated experiments of the inventor, the center lines of the two liquid inlet channels 801 are arranged in a coplanar manner, and the included angle alpha between the two liquid inlet channels is larger than 25 degrees and smaller than 45 degrees, for example, when the included angle alpha is 30 degrees, the mixing reaction effect of the barium chloride solution and the sodium sulfate solution is better. In addition, the ratio of the inner diameter of the reaction channel 802 to the inner diameter of the liquid inlet channel 801 is greater than 2 and less than 3, for example, the inner diameter of the reaction channel 802 is 15cm, and the inner diameter of the liquid inlet channel 801 is 6cm, at this time, the ratio of the inner diameters of the two is 2.5, and in this state, the solution generates turbulence due to the change of the cross section of the flow channel, so that the mixing effect of the barium chloride solution and the sodium sulfate solution is improved, and the efficiency and the sufficiency of the reaction are improved.

The specific structure is as shown in fig. 1 and fig. 2, and a heat preservation pipe 7 is respectively connected between the liquid outlet pipe and the liquid inlet channel 801 to reduce the energy loss of the solution in the conveying process. And a first control valve 5 is arranged on the heat preservation pipe 7 to control the communication state between the liquid outlet pipe and the liquid inlet channel 801. And the heat preservation pipe 7 is provided with a driving part which drives the solution in the batching tank to flow into the corresponding liquid inlet channel 801, and the driving part is a corrosion-resistant pump 6, so that the product is mature and the corrosion-resistant effect is good. In order to control the flow rate of the solution on the heat-preserving pipe 7, a flow meter 4 is further installed on the heat-preserving pipe 7, and the flow meter 4 can be a rotameter 4 in the prior art. It should be noted that the holding tube 7 in this embodiment may be a holding tube capable of transporting a reaction solution in the prior art.

As shown in fig. 3 to 5, (only the structure of the bottom of the mixing reactor is illustrated in the drawings), the bottom of the mixing reactor 8 in the present embodiment is specifically mounted on a mounting plate 12 located on a rack, in order to mount the mixing reactor 8, in the present embodiment, two protrusions 803 arranged oppositely are provided on the outer circumferential surface of the mixing reactor 8 corresponding to the reaction channel 802, the mounting plate 12 is provided on the rack, a mounting hole 1201 is provided on the mounting plate 12, and a first groove 1202 for inserting each protrusion 803 is provided, and a second groove 1203 for screwing each protrusion 803 in the axial direction thereof is provided on the inner circumferential surface of the mounting hole 1201. And close to the groove bottom of the second groove 1203, a first limiting protrusion 1204 is arranged in the second groove 1203, and a second limiting protrusion 804 which can cross the first limiting protrusion 1204 and form a mixing reactor 8 to be installed in the installation hole 1201 is arranged on the outer peripheral surface of each protrusion 803.

When the mixing reactor 8 is installed, the protrusion 803 is aligned with the opening of the first groove 1202, and then inserted into the groove bottom along the direction of the first groove 1202, and then the mixing reactor 8 is rotated, and after the first limiting protrusion 1204 crosses the second limiting protrusion 804, the protrusion 803 is clamped in the second groove 1203, thereby realizing the fixed installation of the mixing reactor 8 on the installation plate 12. So set up, the installation of mixing reactor 8 on mounting panel 12 is dismantled the mode simply, convenient to use.

The collecting tank 10 is constructed as shown in fig. 1, and is mounted on a frame, the top of the collecting tank 10 is communicated with the liquid outlet end of the reaction channel 802 through a heat preservation pipe 7 to introduce the reacted solution into the collecting tank 10, a discharge pipe is arranged at the bottom of the collecting tank 10, and a second control valve 11 for controlling the discharge of the product in the collecting tank 10 is mounted on the discharge pipe. When the generated reactant needs to be treated, the second control valve 11 is opened to discharge the reactant in the collection tank 10.

Chemical reaction unit when using, first step, prepare barium chloride solution and sodium sulfate solution, in the concrete operation, add the barium chloride powder in the feed inlet to first batching jar, add deionized water in the inlet to first batching jar, then start the agitator and stir the barium chloride powder and the deionized water in first batching jar to stir into even barium chloride solution. Adding sodium sulfate powder into a feeding hole in the second batching tank, adding deionized water into a liquid inlet of the first batching tank, starting a stirrer to stir the sodium sulfate powder and the deionized water in the second batching tank, and stirring the mixture into a uniform sodium sulfate solution.

The second step, adjust the temperature of barium chloride solution and sodium sulfate solution, the temperature value of adjusting as required, carry out the temperature setting with the boiler that first batching jar and second batching jar link to each other respectively, start the water pump, during rivers that make in the boiler flowed into the heat preservation cavity via the inlet tube, and then carry out temperature control to the internal solution of corresponding jar, the in-process, whether the temperature value judgement solution that detects through looking over temperature sensor reachs the target temperature.

And thirdly, starting two corrosion-resistant pumps, and conveying the barium chloride solution and the sodium sulfate solution to a mixing reactor at a certain flow rate, wherein the flow rate of the solution conveying is checked and determined through a rotor flow meter on the heat-insulating pipe, so that the constant-speed conveying of the barium chloride solution and the sodium sulfate solution is ensured.

And fourthly, the barium chloride solution and the sodium sulfate solution are intersected and reacted in the mixing reactor to generate a barium sulfate precipitate and a sodium chloride solution, and the generated barium sulfate precipitate and the sodium chloride solution enter a collection tank.

Of course, if a separate collection of the barium sulfate powder is desired, the barium sulfate powder can be obtained by prior art means, such as filtration, washing, drying, and the like.

This embodiment chemical reaction device, through setting up two batching jars, can treat reaction solution to two kinds and dissolve and stir to can be convenient for look over and control the flow of solution through setting up flowmeter 4, can improve two kinds of mixtures and the reaction effect of treating reaction solution through mixing reactor 8, improve reaction efficiency, this chemical reaction device's simple structure, convenient operation, and can show the mixed reaction effect that improves two kinds of solutions of treating the reaction, have better popularization meaning.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chemical reaction device mounted on a frame, comprising:

the mixing tanks are arranged on the frame, the top of each mixing tank is provided with a feed inlet (101) and a liquid inlet (102), a stirrer (2) is arranged in each mixing tank, and the bottom of each mixing tank is provided with a liquid outlet pipe;

the mixing reactor (8) is arranged on the rack, the mixing reactor (8) is provided with a reaction channel (802) and two liquid inlet channels (801) which are arranged at the top of the reaction channel (802) and can be respectively communicated with the liquid outlet ends of the liquid outlet pipes; a flow meter (4) and a first control valve (5) are respectively arranged between each liquid outlet pipe and the liquid inlet channel (801);

the collecting tank (10) is arranged on the rack, the top of the collecting tank (10) is communicated with the bottom of the reaction channel (802), a discharging pipe is arranged at the bottom of the collecting tank (10), and a second control valve (11) is arranged on the discharging pipe;

the driving parts are respectively arranged between the proportioning tank and the mixing reactor (8) so as to drive the solution in the proportioning tank to flow into the corresponding liquid inlet channel (801).

2. A chemical reaction device as defined in claim 1, wherein: the two liquid inlet channels (801) and the reaction channel (802) are connected into a Y shape.

3. A chemical reaction device as defined in claim 2, wherein: the central lines of the two liquid inlet channels (801) are coplanar, and the included angle between the two liquid inlet channels is larger than 25 degrees and smaller than 45 degrees.

4. A chemical reaction device as defined in claim 1, wherein: a shell (3) is arranged outside the tank body of each mixing tank, a heat-insulating cavity is formed between the shell (3) and the tank body, a water inlet pipe (301) communicated with the heat-insulating cavity is arranged at the bottom of the shell (3), and a water outlet pipe (302) communicated with the heat-insulating cavity is arranged at the top of the shell (3).

5. The chemical reaction device as claimed in claim 4, wherein: the chemical reaction device comprises a boiler, the water inlet pipe (301) is communicated with the boiler, and a water pump and a third control valve are arranged on the water inlet pipe (301).

6. The chemical reaction device as claimed in claim 4, wherein: a thermometer for detecting the temperature in the heat preservation cavity is arranged on the shell (3).

7. The chemical reaction device as claimed in claim 4, wherein: the liquid inlet channel (801) is a vacuum heat preservation pipe.

8. A chemical reaction device as defined in claim 1, wherein: the ratio of the inner diameter of the reaction channel (802) to the inner diameter of the liquid inlet channel (801) is more than 2 and less than 3.

9. A chemical reaction device as defined in claim 1, wherein: two protrusions (803) which are oppositely arranged are arranged on the outer peripheral surface of the mixing reactor (8) corresponding to the reaction channel (802), a mounting plate (12) is arranged on the rack, a mounting hole (1201) and a first groove (1202) for inserting each protrusion (803) are arranged on the mounting plate (12), a second groove (1203) for screwing each protrusion (803) around the axial direction of the second groove is arranged on the inner peripheral surface of the mounting hole (1201), the second groove is close to the groove bottom of the second groove (1203), a first limiting protrusion (1204) is arranged in the second groove (1203), and a second limiting protrusion (804) which can cross the first limiting protrusion (1204) and form the mixing reactor (8) to be mounted in the mounting hole (1201) is arranged on the outer peripheral surface of each protrusion (803).

10. A chemical reaction device as defined in any one of claims 1 to 9, wherein: the driving part is a corrosion-resistant pump (6).