CN215917404U

CN215917404U - Continuous multistage reaction kettle

Info

Publication number: CN215917404U
Application number: CN202122564103.9U
Authority: CN
Inventors: 刘振好; 邵成刚
Original assignee: Kesma Dandong High Tech Material Technology Co ltd
Current assignee: Kesma Dandong High Tech Material Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-01
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a continuous multistage reaction kettle, and relates to the technical field of chemical production. This continuous multistage reation kettle, fixed mounting has communicating pipe between first level four reation kettle and the second level four reation kettle's the top, and feed inlet and discharge gate have been seted up respectively to first level four reation kettle and second level four reation kettle's bottom, and first level four reation kettle and second level four reation kettle's both sides fixed mounting has pure water heat exchanger and condenser, and the equal fixed mounting in inside of first level four reation kettle and second level four reation kettle has the hot exchange pipe of convolution, and the inside aeration pipe that is equipped with in bottom of first level four reation kettle. This continuous multistage reation kettle realizes the serialization production of material, improve equipment's utilization ratio, promotes ejection of compact cooling effect and heat utilization ratio simultaneously.

Description

Continuous multistage reaction kettle

Technical Field

The utility model relates to the technical field of chemical production, in particular to a continuous multistage reaction kettle.

Background

In the process of magnesium hydroxide production, a plurality of reaction kettles are generally required to be used for multistage treatment, magnesium liquid and chlorine liquid are introduced into the reaction kettles, and then the mixture is treated by 6 steps of feeding, heating, pressure maintaining, cooling, discharging and cleaning to form mixed slurry for discharging.

However, in the actual use process, a plurality of operation steps need to be sequentially operated through a plurality of reaction kettles, so that the whole operation period is long, the intermediate interval time is long, the equipment utilization rate is low, and the condition of overhigh material temperature exists during discharging, and therefore a continuous multi-stage reaction kettle needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a continuous multi-stage reaction kettle, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a continuous multistage reation kettle, includes first level four reation kettle and second level four reation kettle, fixed mounting has communicating pipe between first level four reation kettle and the second level four reation kettle's the top, feed inlet and discharge gate have been seted up respectively to first level four reation kettle and second level four reation kettle's bottom, first level four reation kettle and second level four reation kettle's both sides fixed mounting has pure water heat exchanger and condenser, the equal fixed mounting in inside of first level four reation kettle and second level four reation kettle has the hot exchange pipe of convolution, the inside aeration pipe that is equipped with in bottom of first level four reation kettle.

Preferably, first level four reation kettle includes that the pan feeding mixes storehouse, preheating storehouse, heated warehouses and reaction storehouse, the pan feeding mixes storehouse, preheating storehouse, heated warehouses and reaction storehouse and follows supreme fixed mounting down in proper order.

Preferably, second level four reation kettle includes heat preservation pressurize storehouse, one-level cooling storehouse, second grade cooling storehouse and goes out the feed bin, heat preservation pressurize storehouse, one-level cooling storehouse, second grade cooling storehouse and play feed bin are from last fixed mounting down in proper order.

Preferably, both ends of the communicating pipe are respectively and fixedly installed at the top ends of the reaction bin and the heat preservation and pressure maintaining bin, and the feeding port and the discharging port are respectively arranged on the outer surfaces of the feeding mixing bin and the discharging bin.

Preferably, the equal fixedly connected with of surface both sides in one-level cooling storehouse and second grade cooling storehouse is managed in parallel, the equal fixed mounting in inside in one-level cooling storehouse and second grade cooling storehouse has the hot pipe of the form of spiraling, the hot pipe both ends of the form of spiraling are linked together with two sets of pipes in parallel respectively.

Preferably, the outer surface of the parallel pipe is fixedly provided with a heat exchange connecting pipe, the other end of the heat exchange connecting pipe is fixedly arranged on two sides of the preheating bin, and the pure water heat exchanger and the condenser are respectively and fixedly arranged in the middle of the two groups of heat exchange connecting pipes.

Preferably, the outer surface of the feeding mixing bin is fixedly welded with a connecting seat, one side of the connecting seat is fixedly provided with an aerator, and the other side of the connecting seat is fixedly arranged with an aerator pipe.

The utility model discloses a continuous multistage reaction kettle, which has the following beneficial effects:

1. this continuous multistage reation kettle, let in chlorine liquid and magnesium liquid into the inside in pan feeding mixed storehouse through the booster pump, then aerate through starting the aeration machine, make the aeration pipe to the inside aeration that carries out in pan feeding mixed storehouse, make chlorine liquid and magnesium liquid misce bene, then the reaction liquid after the mixture upwards enters into in proper order and preheats the storehouse, the heated warehouses, the reaction storehouse, heat preservation pressurize storehouse, one-level cooling storehouse, second grade cooling storehouse, and finally enter into the inside outside ejection of compact of discharge gate that passes through in play storehouse, realize the serialization production of material, improve equipment's utilization ratio.

2. This continuous multistage reation kettle, mixed liquid is heated in the heating bunker is inside, then the mixed liquid that is heated is inside entering into one-level cooling storehouse and second grade cooling storehouse, form heat exchange pipe through its inside spiral, with spiral the inside pure water of form heat exchange pipe and carry out the heat exchange, make the pure water after being heated enter into inside the pure water heat exchanger through the heat transfer connecting pipe and finally enter into and preheat the storehouse inside, preheat the mixed liquid of preheating the storehouse inside, then the pure water after preheating enters into the condenser through the heat transfer connecting pipe and carries out the condensation and then returns once more and cool down the storehouse inside and cool down the processing before the mixed liquid ejection of compact to one-level cooling storehouse and second grade cooling storehouse, promote heat utilization when promoting ejection of compact cooling effect.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a schematic view of the overall backside structure of the present invention;

FIG. 3 is a sectional view of the internal structure of the feeding mixing bin according to the present invention;

FIG. 4 is a sectional view showing the internal structure of a second four-stage reaction tank according to the present invention.

In the figure: 1. a first fourth-order reaction kettle; 101. feeding into a material mixing bin; 102. preheating a bin; 103. a heating chamber; 104. a reaction bin; 2. a second four-stage reaction kettle; 201. a heat preservation and pressure maintaining bin; 202. a first-stage cooling bin; 203. a secondary cooling bin; 204. a discharging bin; 3. a communicating pipe; 4. a feed inlet; 5. a discharge port; 6. a pure water heat exchanger; 7. a condenser; 8. an aerator; 9. a connecting seat; 10. an aeration pipe; 11. connecting pipes in parallel; 12. a coiled heat exchange tube.

Detailed Description

The embodiment of the utility model discloses a continuous multistage reaction kettle, which comprises a first four-stage reaction kettle 1 and a second four-stage reaction kettle 2, wherein a communicating pipe 3 is fixedly arranged between the top ends of the first four-stage reaction kettle 1 and the second four-stage reaction kettle 2, the bottom ends of the first four-stage reaction kettle 1 and the second four-stage reaction kettle 2 are respectively provided with a feeding hole 4 and a discharging hole 5, two sides of the first four-stage reaction kettle 1 and the second four-stage reaction kettle 2 are fixedly provided with a pure water heat exchanger 6 and a condenser 7, the first four-stage reaction kettle 1 and the second four-stage reaction kettle 2 are both fixedly provided with coiled heat exchange pipes 12, and the bottom end of the first four-stage reaction kettle 1 is internally provided with an aeration pipe 10.

Referring to the attached drawings 1-2, a first four-stage reaction kettle 1 comprises a feeding mixing bin 101, a preheating bin 102, a heating bin 103 and a reaction bin 104, the feeding mixing bin 101, the preheating bin 102, the heating bin 103 and the reaction bin 104 are fixedly installed from bottom to top in sequence, a second four-stage reaction kettle 2 comprises a heat preservation and pressure preservation bin 201, a one-level cooling bin 202, a second-level cooling bin 203 and a discharge bin 204, the heat preservation and pressure preservation bin 201, the one-level cooling bin 202, the second-level cooling bin 203 and the discharge bin 204 are fixedly installed from top to bottom in sequence, and the side faces of a plurality of processing bin bodies are connected through a guide pipe.

Referring to fig. 1, two ends of the communicating pipe 3 are respectively and fixedly installed at the top ends of the reaction bin 104 and the heat preservation and pressure maintaining bin 201, and the feed inlet 4 and the discharge outlet 5 are respectively opened at the outer surfaces of the feed mixing bin 101 and the discharge bin 204.

Referring to the attached figure 4, both sides of the outer surfaces of the first-stage cooling bin 202 and the second-stage cooling bin 203 are fixedly connected with parallel pipes 11, both the interiors of the first-stage cooling bin 202 and the second-stage cooling bin 203 are fixedly provided with coiled heat exchange pipes 12, both ends of the coiled heat exchange pipes 12 are respectively communicated with the interiors of the two groups of parallel pipes 11, the outer surface of the parallel pipes 11 is fixedly provided with heat exchange connecting pipes, the other ends of the heat exchange connecting pipes are fixedly arranged at both sides of the preheating bin 102, the pure water heat exchanger 6 and the condenser 7 are respectively fixedly arranged at the middle parts of the two groups of heat exchange connecting pipes, the mixed liquid enters the interiors of the first-stage cooling bin 202 and the second-stage cooling bin 203 and exchanges heat with the pure water in the coiled heat exchange pipes 12 through the coiled heat exchange pipes 12 inside, so that the heated pure water enters the pure water heat exchanger 6 through the heat exchange pipes and finally enters the preheating bin 102, the mixed liquid in the preheating bin 102 is preheated, then the preheated pure water enters the condenser 7 through the heat exchange connecting pipe to be condensed and then returns to the interior of the first-stage cooling bin 202 and the second-stage cooling bin 203 to be cooled before discharging the mixed liquid.

Referring to the attached drawings 2-3, the outer surface of the feeding mixing bin 101 is fixedly welded with a connecting seat 9, one side of the connecting seat 9 is fixedly provided with an aerator 8, the other side of the connecting seat 9 is fixedly arranged with an aerator pipe 10, and the aerator pipe 8 is started to aerate the inside of the feeding mixing bin 101, so that chlorine liquid and magnesium liquid are uniformly mixed.

The working principle is as follows: when the device is used, chlorine liquid and magnesium liquid are firstly introduced into a feed mixing bin 101 through a booster pump, then aeration is carried out by starting an aerator 8, so that the aeration pipe 10 aerates the interior of the feed mixing bin 101, the chlorine liquid and the magnesium liquid are uniformly mixed, then the mixed reaction liquid sequentially enters a preheating bin 102, a heating bin 103, a reaction bin 104, a heat-preservation and pressure-maintaining bin 201, a primary cooling bin 202 and a secondary cooling bin 203 upwards, and finally enters a discharge bin 204 to be discharged outwards through a discharge port 5;

in this process, the mixed liquor is heated inside the heating chamber 103, then the heated mixed liquor enters into the inside of the first-level cooling chamber 202 and the second-level cooling chamber 203, the spiral heat exchange tube 12 inside the mixed liquor and the pure water inside the spiral heat exchange tube 12 exchange heat, so that the heated pure water enters into the inside of the pure water heat exchanger 6 through the heat exchange connecting tube and finally enters into the inside of the preheating chamber 102, the mixed liquor inside the preheating chamber 102 is preheated, then the preheated pure water enters into the condenser 7 through the heat exchange connecting tube for condensation and then returns to the inside of the first-level cooling chamber 202 and the second-level cooling chamber 203 again to carry out cooling treatment before discharging the mixed liquor, and the maximum utilization of heat is completed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A continuous multi-stage reaction kettle comprises a first four-stage reaction kettle (1) and a second four-stage reaction kettle (2), and is characterized in that; fixed mounting has communicating pipe (3) between the top of first level four reation kettle (1) and second level four reation kettle (2), feed inlet (4) and discharge gate (5) have been seted up respectively to the bottom of first level four reation kettle (1) and second level four reation kettle (2), the both sides fixed mounting of first level four reation kettle (1) and second level four reation kettle (2) has pure water heat exchanger (6) and condenser (7), the equal fixed mounting in inside of first level four reation kettle (1) and second level four reation kettle (2) has the hot pipe of form of spiraling (12), the inside aeration pipe (10) that is equipped with in bottom of first level four reation kettle (1).

2. The continuous multi-stage reactor of claim 1, wherein: first level four reation kettle (1) mixes storehouse (101), preheats storehouse (102), heating chamber (103) and reaction storehouse (104) including the pan feeding, the mixed storehouse of pan feeding (101), preheats storehouse (102), heating chamber (103) and reaction storehouse (104) from supreme fixed mounting down in proper order.

3. A continuous multi-stage reactor according to claim 2, wherein: second level four reation kettle (2) are including heat preservation pressurize storehouse (201), one-level cooling storehouse (202), second grade cooling storehouse (203) and go out feed bin (204), heat preservation pressurize storehouse (201), one-level cooling storehouse (202), second grade cooling storehouse (203) and go out feed bin (204) from last fixed mounting down in proper order.

4. A continuous multi-stage reactor according to claim 3, wherein: two ends of the communicating pipe (3) are respectively and fixedly installed at the top ends of the reaction bin (104) and the heat and pressure preservation bin (201), and the feeding port (4) and the discharging port (5) are respectively arranged on the outer surfaces of the feeding mixing bin (101) and the discharging bin (204).

5. A continuous multi-stage reactor according to claim 3, wherein: the equal fixedly connected with of surface both sides of one-level cooling storehouse (202) and second grade cooling storehouse (203) is parallelly connected pipe (11), the equal fixed mounting in inside of one-level cooling storehouse (202) and second grade cooling storehouse (203) has the hot pipe (12) of the form of spiraling, the both ends of the hot pipe (12) of the form of spiraling are linked together with two sets of parallelly connected pipes (11) inside respectively.

6. The continuous multi-stage reactor of claim 5, wherein: the outer surface of the parallel pipe (11) is fixedly provided with a heat exchange connecting pipe, the other end of the heat exchange connecting pipe is fixedly arranged on two sides of the preheating bin (102), and the pure water heat exchanger (6) and the condenser (7) are respectively and fixedly arranged in the middle of the two groups of heat exchange connecting pipes.

7. A continuous multi-stage reactor according to claim 2, wherein: the outer surface of the feeding mixing bin (101) is fixedly welded with a connecting seat (9), one side of the connecting seat (9) is fixedly provided with an aerator (8), and the other side of the connecting seat (9) is fixedly arranged with an aerator pipe (10).