CN223496651U - Tetrapropylammonium hydroxide synthesizer - Google Patents

Abstract

This invention discloses a tetrapropylammonium hydroxide synthesis apparatus in the field of tetrapropylammonium hydroxide synthesis technology. The apparatus includes an electrolytic cell, with an anode chamber, a raw material chamber, and a cathode chamber arranged sequentially from left to right inside the cell. An anode plate is installed inside the anode chamber, and a cathode plate is installed inside the cathode chamber. An anion exchange membrane is placed between the anode chamber and the raw material chamber, and a cation exchange membrane is placed between the raw material chamber and the cathode chamber. A mixing tank is installed at the top of the electrolytic cell, and a partition is installed inside the mixing tank. A stirring mechanism is installed on the mixing tank above the partition, and a feeding mechanism is installed at the bottom of the partition. A filtration mechanism is installed on the side of the feeding mechanism opposite to the partition. This invention utilizes the stirring mechanism to ensure thorough mixing of the tetrapropylammonium bromide aqueous solution and the filtration mechanism to filter impurities from the solution, resulting in a purer solution and thus improving the quality of the synthesized tetrapropylammonium hydroxide.

Description

Tetrapropylammonium hydroxide synthesizer

Technical Field

The utility model relates to the technical field of tetrapropylammonium hydroxide synthesis, in particular to a tetrapropylammonium hydroxide synthesis device.

Background

Tetrapropylammonium hydroxide is an organic base, can be used as an alkali source and a template agent for synthesizing a phase transfer catalyst and molecular sieves TS-1 and ZSM-5, and the molecular sieves TS-1 and ZSM-5 are widely used in the fields of impurity removing agents, catalysts and the like in the petroleum industry, and at present, the tetrapropylammonium hydroxide is widely applied to the electronic field and mainly used as a photoetching developer of a printed circuit board, a cleaning agent in manufacturing of microelectronic chips and the like, and a synthesizing device is generally needed in the production and preparation process of the tetrapropylammonium hydroxide.

The market demand of tetrapropylammonium hydroxide is gradually increased, the demand on tetrapropylammonium hydroxide is higher and higher, tetrapropylammonium hydroxide generally uses tetrapropylammonium halide salt as raw material, tetrapropylammonium hydroxide is formed by combining tetrapropylammonium cation and hydroxide ion through an electrolysis method, compared with ammonium salts such as tetrapropylammonium chloride, tetrapropylammonium bromide is easy to obtain, the cost is lower, tetrapropylammonium bromide is generally selected as raw material in the production process of tetrapropylammonium hydroxide, but the tetrapropylammonium bromide aqueous solution is not filtered before electrolysis in the prior art, so that impurities are contained in the solution, the purity of the solution is reduced, and the quality of the tetrapropylammonium hydroxide synthesized is further reduced.

Disclosure of utility model

In order to solve the problems that the prior art does not filter the tetrapropylammonium bromide aqueous solution before electrolysis, so that impurities are contained in the solution, the purity of the solution is reduced, and the quality of the tetrapropylammonium hydroxide after synthesis is reduced, the utility model provides a tetrapropylammonium hydroxide synthesizing device.

The utility model provides a tetrapropylammonium hydroxide synthesizer, which adopts the following technical scheme:

The utility model provides a tetrapropylammonium hydroxide synthesizer, includes the electrolysis trough, the inside of electrolysis trough has set gradually positive pole room, raw materials room and negative pole room from left to right, the internally mounted of positive pole room has the positive plate, the internally mounted of negative pole room has the negative plate, be provided with the anion membrane between positive pole room and the raw materials room, be provided with the cation membrane between raw materials room and the negative pole room, the upper end of electrolysis trough both sides all is connected with the inlet pipe, the lower extreme of electrolysis trough both sides all is connected with first row material pipe, the bottom of raw materials room is connected with the second row material pipe;

The mixing box is installed at the top of electrolysis trough, the feed inlet has all been seted up at the both ends at mixing box top, the bottom of mixing box is connected with the discharging pipe, the internally mounted of mixing box has the baffle, be provided with rabbling mechanism on the mixing box of baffle top, the bottom of baffle is provided with feed mechanism, one side that feed mechanism deviates from the baffle is provided with filtering mechanism.

Through adopting above-mentioned technical scheme, add tetrapropylammonium bromide raw materials and water respectively through two feed inlets into the inside of mixing box, and prepare tetrapropylammonium bromide aqueous solution through rabbling mechanism, evenly spout down through unloading mechanism with the solution, then filter the impurity in the solution through filtering mechanism, and get into the inside of raw materials room through the discharging pipe, add clear water and add sodium hydroxide through the inlet pipe of left side to the inside of positive pole room, add distilled water through the inlet pipe of right side to the inside of negative pole room, and connect positive plate and negative plate direct current power supply, chloride ion passes through anion membrane and gets into the positive pole room, because the electrolyte of positive pole room is alkaline, ensure that chloride ion just can not produce at the positive pole also, at this moment the positive pole takes place the discharge of hydroxide ion, simultaneously tetrapropylammonium cation gets into the negative pole room through cation membrane, the hydrogen ion in the water molecule of negative pole room obtains electron and generates hydrogen, and in the ion electrolyte of tetrapropylammonium cation combines with tetrapropylammonium cation and generates tetrapropylammonium hydroxide.

Optionally, the surface of the electrolytic tank is provided with a plurality of observation windows.

Through adopting above-mentioned technical scheme, conveniently observe the inside liquid level volume of positive pole room, raw materials room and negative pole room through the observation window.

Optionally, the right-hand member at electrolysis trough top is installed the gas holder, and is provided with the vacuum pump subassembly between gas holder and the negative pole room, the vacuum pump subassembly includes the vacuum pump body, the top at the negative pole room is installed to the vacuum pump body, be connected with the exhaust tube between the input of vacuum pump body and the negative pole room, be connected with the gas-supply pipe between the output of vacuum pump body and the negative pole room.

Through adopting above-mentioned technical scheme, hydrogen is inflammable and explosive gas, consequently the hydrogen that will produce through the vacuum pump is through breathing pipe extraction and carry the inside storage to the gas holder through the gas-supply pipe, makes things convenient for the later stage to carry out centralized processing.

Optionally, the bottom of discharging pipe stretches into the inside of raw materials room, the second stock guide is all installed to the both ends of mixing box inner top wall slope, two sets of the lower end of second stock guide all with discharging pipe fixed connection.

Through adopting above-mentioned technical scheme, through the guide of second stock guide, make the solution get into the inside of raw materials room smoothly through the discharging pipe.

Optionally, the top of feed inlet is provided with shutoff mechanism, shutoff mechanism includes the apron, the apron is installed at the top of mixing box, the top of apron is connected with the handle, the cock body with feed inlet grafting complex is all installed at the both ends of apron bottom.

Through adopting above-mentioned technical scheme, when the device need not use, peg graft the cock body of apron bottom in the feed inlet, and then can prevent that external impurity from getting into the inside of mixing box with two sets of feed inlet shutoff.

Optionally, the rabbling mechanism includes the (mixing) shaft, the (mixing) shaft passes through the upper end of bearing connection at the mixing box inner chamber, agitator motor is installed on the right side of mixing box, agitator motor's power take off end and the right-hand member fixed connection of (mixing) shaft, the top and the bottom of (mixing) shaft are connected with a plurality of stirring flabellum.

Through adopting above-mentioned technical scheme, during operation of agitator motor drives stirring flabellum through the (mixing) shaft and rotates, and stirring flabellum rotates and stirs water and tetrapropylammonium bromide raw materials, and then can mix into tetrapropylammonium bromide aqueous solution.

Optionally, unloading mechanism includes the unloading pipe, unloading union coupling is in the middle part of baffle, the house steward is installed to the bottom of unloading pipe, the bottom of house steward is connected with a plurality of shower nozzle, all install the connecting block between the both ends at house steward top and the bottom of baffle, be provided with the solenoid valve on the unloading pipe.

By adopting the technical scheme, the electromagnetic valve is opened, the solution enters the interior of the main pipe through the discharging pipe and is sprayed downwards through the spray head, so that the solution is uniformly sprayed on the filtering mechanism.

Optionally, a first material guiding plate is obliquely arranged between the top of the partition plate and the inner bottom wall of the mixing box, and the lower ends of the two groups of first material guiding plates are fixedly connected with the blanking pipe.

Through adopting above-mentioned technical scheme to can make the solution get into the inside of unloading pipe fast under the guide of first stock guide.

Optionally, the filtering mechanism includes the filter screen, the lower extreme at the mixing box inner chamber is installed to the filter screen, the right-hand member of filter screen stretches out the mixing box and installs the arm-tie, the left end of filter screen is connected with the fixture block, the draw-in groove with fixture block joint complex is seted up to the left side wall of mixing box inner chamber.

Through adopting above-mentioned technical scheme, intercept impurity in the solution through the filter screen to through draw-in groove and fixture block grafting cooperation, conveniently dismantle the filter screen regularly and clear up, prevent to use for a long time that the condition of jam from appearing.

In summary, the present utility model includes at least one of the following beneficial effects:

The setting through rabbling mechanism makes tetrapropylammonium bromide aqueous solution mix ground more even to through the setting of filtering mechanism, can filter the solution after mixing, make the solution that obtains purer, effectively avoid impurity to get into the inside of electrolysis trough, thereby improved the quality after tetrapropylammonium hydroxide is synthesized.

Through the cooperation setting of unloading pipe, solenoid valve, connecting block, house steward and shower nozzle to make the solution after mixing can spray at filtering mechanism's top more evenly, and then improved the filter effect of device to the solution.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

Fig. 3 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.

In the figure, 1, an electrolytic tank, 2, a feeding pipe, 3, an anode plate, 4, an anion membrane, 5, a first discharging pipe, 6, an anode chamber, 7, a second discharging pipe, 8, a raw material chamber, 9, a cathode chamber, 10, a cation membrane, 11, a cathode plate, 12, a vacuum pump assembly, 1201, an exhaust pipe, 1202, a vacuum pump body, 1203, a gas pipe, 13, a gas storage tank, 14, a discharging pipe, 15, a filtering mechanism, 1501, a filter screen, 1502, a clamping groove, 1503, a clamping block, 16, a partition plate, 17, a first material guide plate, 18, a stirring mechanism, 1801, a stirring motor, 1802, a stirring shaft, 1803, stirring blades, 19, a blocking mechanism, 1901, a plug body, 1902, a handle, 1903, a cover plate, 20, a feed inlet, 21, a mixing box, 22, a blanking mechanism, 2201, a blanking pipe, a solenoid valve, 2203, a connecting block, 2204, a main pipe, 2205, a spray head, 23, a second material guide plate, 24 and an observation window are shown.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2 of the drawings, in an embodiment of the present utility model, a tetrapropylammonium hydroxide synthesizing apparatus includes an electrolytic tank 1, an anode chamber 6, a raw material chamber 8 and a cathode chamber 9 are sequentially disposed in the electrolytic tank 1 from left to right, and a plurality of observation windows 24 are disposed on the surface of the electrolytic tank 1. It is convenient to observe the liquid level amounts inside the anode chamber 6, the raw material chamber 8 and the cathode chamber 9 through the observation window 24.

Referring to fig. 1 of the drawings, an air storage tank 13 is mounted at the right end of the top of the electrolytic tank 1, a vacuum pump assembly 12 is arranged between the air storage tank 13 and the cathode chamber 9, the vacuum pump assembly 12 comprises a vacuum pump body 1202, the vacuum pump body 1202 is mounted at the top of the cathode chamber 9, an exhaust pipe 1201 is connected between the input end of the vacuum pump body 1202 and the cathode chamber 9, and an air pipe 1203 is connected between the output end of the vacuum pump body 1202 and the cathode chamber 9. The hydrogen is inflammable and explosive gas, so the generated hydrogen is pumped by the vacuum pump 1202 through the air suction pipe 1201 and is conveyed to the inside of the air storage tank 13 through the air conveying pipe 1203 for storage, and the later concentrated treatment is facilitated.

Referring to fig. 1 of the drawings, an anode plate 3 is installed in an anode chamber 6, a cathode plate 11 is installed in a cathode chamber 9, an anion membrane 4 is arranged between the anode chamber 6 and a raw material chamber 8, a cation membrane 10 is arranged between the raw material chamber 8 and the cathode chamber 9, feeding pipes 2 are connected to the upper ends of the two sides of an electrolytic tank 1, first discharging pipes 5 are connected to the lower ends of the two sides of the electrolytic tank 1, and a second discharging pipe 7 is connected to the bottom of the raw material chamber 8.

Referring to fig. 1 and 2 of the drawings, a mixing tank 21 is mounted at the top of the electrolytic tank 1, feed inlets 20 are formed at two ends of the top of the mixing tank 21, a plugging mechanism 19 is arranged at the top of the feed inlets 20, the plugging mechanism 19 comprises a cover plate 1903, the cover plate 1903 is mounted at the top of the mixing tank 21, a handle 1902 is fixedly connected to the top of the cover plate 1903, and plugs 1901 in plug connection with the feed inlets 20 are mounted at two ends of the bottom of the cover plate 1903. When the device is not needed to be used, the plug body 1901 at the bottom of the cover plate 1903 is inserted into the feed inlet 20, so that two groups of feed inlets 20 can be plugged, and external impurities are prevented from entering the mixing box 21.

Referring to fig. 1 and 3 of the drawings, a discharging pipe 14 is fixedly connected to the bottom of the mixing box 21, the bottom of the discharging pipe 14 extends into the raw material chamber 8, two ends of the inner top wall of the mixing box 21 are obliquely provided with second material guiding plates 23, and lower ends of the two groups of second material guiding plates 23 are fixedly connected with the discharging pipe 14. The solution is guided by the second guide plate 23 to enter the interior of the raw material chamber 8 smoothly through the discharge pipe 14.

Referring to fig. 1 and 2 in the drawings, a partition plate 16 is installed in a mixing box 21, a stirring mechanism 18 is arranged on the mixing box 21 above the partition plate 16, the stirring mechanism 18 comprises a stirring shaft 1802, the stirring shaft 1802 is rotatably connected to the upper end of an inner cavity of the mixing box 21 through a bearing, a stirring motor 1801 is installed on the right side of the mixing box 21, a power output end of the stirring motor 1801 is fixedly connected with the right end of the stirring shaft 1802, and a plurality of stirring blades 1803 are fixedly connected to the top and the bottom of the stirring shaft 1802. During operation, stirring motor 1801 drives stirring fan blade 1803 to rotate through stirring shaft 1802, and stirring fan blade 1803 rotates to stir water and tetrapropylammonium bromide raw materials, so that tetrapropylammonium bromide aqueous solution can be mixed.

Referring to fig. 1 of the drawings, a blanking mechanism 22 is disposed at the bottom of a partition board 16, a filtering mechanism 15 is disposed at one side of the blanking mechanism 22 away from the partition board 16, the blanking mechanism 22 includes a blanking pipe 2201, the blanking pipe 2201 is connected to the middle of the partition board 16, a main pipe 2204 is mounted at the bottom of the blanking pipe 2201, a plurality of spray heads 2205 are connected to the bottom of the main pipe 2204, connecting blocks 2203 are mounted between two ends of the top of the main pipe 2204 and the bottom of the partition board 16, and electromagnetic valves 2202 are disposed on the blanking pipe 2201. The solenoid valve 2202 is opened, and the solution enters the interior of the manifold 2204 through the discharge pipe 2201 and is sprayed downward through the spray head 2205 so that the solution is uniformly sprayed on the filter mechanism 15.

Referring to fig. 1 and 3 of the drawings, the filtering mechanism 15 includes a filter screen 1501, the filter screen 1501 is mounted at the lower end of the inner cavity of the mixing box 21, the right end of the filter screen 1501 extends out of the mixing box 21 and is provided with a pull plate, the left end of the filter screen 1501 is connected with a clamping block 1503, and a clamping groove 1502 matched with the clamping block 1503 in a clamping manner is formed in the left side wall of the inner cavity of the mixing box 21. The impurity in the solution is intercepted through the filter screen 1501 to peg graft the cooperation through draw-in groove 1502 and fixture block 1503, conveniently dismantle the filter screen 1501 regularly and clear up, prevent to use for a long time and appear the condition of jam.

Working principle is that when in use, a worker holds the handle 1902 to remove the cover 1903 from the top of the mixing box 21, adds tetrapropylammonium bromide raw material into the mixing box 21 from the left feed inlet 20, adds a proper amount of water through the right feed inlet 20, then starts the stirring motor 1801, and drives the stirring fan blade 1803 to rotate through the stirring shaft 1802 when the stirring motor 1801 works, so as to prepare tetrapropylammonium bromide aqueous solution.

Then, the solenoid valve 2202 is opened, the solution enters the interior of the main pipe 2204 through the discharging pipe 2201 and is sprayed downwards through the spray nozzle 2205, so that the solution is uniformly sprayed on the top of the filter screen 1501, impurities in the solution are intercepted through the filter screen 1501, the filtered solution enters the interior of the raw material chamber 8 through the discharging pipe 14, when more impurities are adhered to the surface of the filter screen 1501, the filter screen 1501 is driven to move rightward by pulling the pulling plate rightward, and then the clamping groove 1502 and the clamping block 1503 are separated until the filter screen 1501 is taken out from the interior of the mixing box 21 and cleaned.

When tetrapropylammonium hydroxide is needed to be synthesized, clean water is added into the anode chamber 6 through the left feeding pipe 2, sodium hydroxide is added, distilled water is added into the cathode chamber 9 through the right feeding pipe 2, the anode plate 3 and the cathode plate 11 are connected with a direct current power supply, chloride ions enter the anode chamber 6 through the anion membrane 4, the electrolyte of the anode chamber 6 is alkaline, so that the chloride ions are not discharged at the anode and cannot be generated, at the moment, the discharge of the hydroxide ions occurs at the anode, meanwhile, the tetrapropylammonium cations enter the cathode chamber 9 through the cation membrane 10, hydrogen ions in water molecules in the cathode chamber 9 are subjected to electron generation to generate hydrogen, in the hydroxide ion electrolyte, the hydrogen is combined with the tetrapropylammonium cations to generate tetrapropylammonium hydroxide, and the hydrogen is inflammable and explosive gas, so that the generated hydrogen is extracted through the vacuum pump 1202 and is conveyed to the inside of the air storage tank 13 through the air conveying pipe 1203, and is convenient for post-stage concentrated treatment.

The above embodiments are not intended to limit the scope of the utility model, so that the equivalent changes of the structure, shape and principle of the utility model are covered by the scope of the utility model.

Claims (9)

1. The tetrapropylammonium hydroxide synthesizing device comprises an electrolytic tank (1) and is characterized in that an anode chamber (6), a raw material chamber (8) and a cathode chamber (9) are sequentially arranged in the electrolytic tank (1) from left to right, an anode plate (3) is arranged in the anode chamber (6), a cathode plate (11) is arranged in the cathode chamber (9), an anion membrane (4) is arranged between the anode chamber (6) and the raw material chamber (8), a cation membrane (10) is arranged between the raw material chamber (8) and the cathode chamber (9), feeding pipes (2) are connected to the upper ends of two sides of the electrolytic tank (1), a first discharging pipe (5) is connected to the lower ends of two sides of the electrolytic tank (1), and a second discharging pipe (7) is connected to the bottom of the raw material chamber (8).

The utility model provides a mixing box (21) is installed at the top of electrolysis trough (1), feed inlet (20) have all been seted up at the both ends at mixing box (21) top, the bottom of mixing box (21) is connected with discharging pipe (14), the internally mounted of mixing box (21) has baffle (16), be provided with rabbling mechanism (18) on mixing box (21) of baffle (16) top, the bottom of baffle (16) is provided with feed mechanism (22), one side that feed mechanism (22) deviate from baffle (16) is provided with filtering mechanism (15).

2. The tetrapropylammonium hydroxide synthesizing apparatus as defined in claim 1, wherein a plurality of observation windows (24) are arranged on the surface of the electrolytic tank (1).

3. The tetrapropylammonium hydroxide synthesizing device of claim 1, wherein the right end of the top of the electrolytic tank (1) is provided with a gas storage tank (13), a vacuum pump assembly (12) is arranged between the gas storage tank (13) and the cathode chamber (9), the vacuum pump assembly (12) comprises a vacuum pump body (1202), the vacuum pump body (1202) is arranged at the top of the cathode chamber (9), an exhaust pipe (1201) is connected between the input end of the vacuum pump body (1202) and the cathode chamber (9), and a gas transmission pipe (1203) is connected between the output end of the vacuum pump body (1202) and the cathode chamber (9).

4. The tetrapropylammonium hydroxide synthesizing apparatus of claim 1, wherein the bottom of the discharging pipe (14) extends into the raw material chamber (8), two ends of the inner top wall of the mixing box (21) are obliquely provided with second material guiding plates (23), and lower ends of two groups of second material guiding plates (23) are fixedly connected with the discharging pipe (14).

5. The tetrapropylammonium hydroxide synthesis device according to claim 1, characterized in that a plugging mechanism (19) is arranged at the top of the feed inlet (20), the plugging mechanism (19) comprises a cover plate (1903), the cover plate (1903) is installed at the top of the mixing box (21), a handle (1902) is connected to the top of the cover plate (1903), and plugs (1901) in plug-in fit with the feed inlet (20) are installed at two ends of the bottom of the cover plate (1903).

6. The tetrapropylammonium hydroxide synthesizing device according to claim 1, characterized in that the stirring mechanism (18) comprises a stirring shaft (1802), the stirring shaft (1802) is connected to the upper end of an inner cavity of the mixing box (21) through a bearing, a stirring motor (1801) is installed on the right side of the mixing box (21), the power output end of the stirring motor (1801) is fixedly connected with the right end of the stirring shaft (1802), and a plurality of stirring blades (1803) are connected to the top and the bottom of the stirring shaft (1802).

7. The tetrapropylammonium hydroxide synthesizing device of claim 1, wherein the blanking mechanism (22) comprises a blanking pipe (2201), the blanking pipe (2201) is connected to the middle of the partition plate (16), a main pipe (2204) is installed at the bottom of the blanking pipe (2201), a plurality of spray heads (2205) are connected to the bottom of the main pipe (2204), connecting blocks (2203) are installed between two ends of the top of the main pipe (2204) and the bottom of the partition plate (16), and electromagnetic valves (2202) are arranged on the blanking pipe (2201).

8. The tetrapropylammonium hydroxide synthesizing apparatus of claim 7, wherein a first material guiding plate (17) is obliquely arranged between the top of the partition plate (16) and the inner bottom wall of the mixing box (21), and lower ends of two groups of the first material guiding plates (17) are fixedly connected with the blanking pipe (2201).

9. The tetrapropylammonium hydroxide synthesizing device according to claim 1, characterized in that the filtering mechanism (15) comprises a filter screen (1501), the filter screen (1501) is arranged at the lower end of the inner cavity of the mixing box (21), the right end of the filter screen (1501) extends out of the mixing box (21) and is provided with a pulling plate, the left end of the filter screen (1501) is connected with a clamping block (1503), and the left side wall of the inner cavity of the mixing box (21) is provided with a clamping groove (1502) which is matched with the clamping block (1503) in a clamping mode.