CN209791493U

CN209791493U - Feeding device for producing ammonium fluoride

Info

Publication number: CN209791493U
Application number: CN201920046670.5U
Authority: CN
Inventors: 杨红权; 薛亮亮
Original assignee: Polyfluoro Kunming Technology Development Co Ltd
Current assignee: Polyfluoro Kunming Technology Development Co Ltd
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2019-12-17
Anticipated expiration: 2029-01-11

Abstract

the utility model relates to a chemical industry equipment technical field, concretely relates to feeding device of production ammonium fluoride. The specific technical scheme is as follows: the utility model provides a feeding device of production ammonium fluoride, includes the frame, fixes the retort in the frame and fixes the feed tank at the retort top through the support, the feed tank includes first jar and second jar, first jar and second jar set up respectively in first cooling chamber and second cooling chamber, the bottom of first jar and second jar is equipped with a plurality of support column respectively, first jar and second jar pass through the interior bottom surface of support column and first cooling chamber and second cooling chamber is fixed. The utility model effectively controls the feeding speed, and raw materials can not contact with each other in the feeding process, thereby reducing the heat generation in the feeding process; and the temperature is reduced in the processes of feeding and reaction, so that the smooth reaction is ensured.

Description

Feeding device for producing ammonium fluoride

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to feeding device of production ammonium fluoride.

Background

Ammonium fluoride is an ionic compound that is deliquescent and decomposes into ammonia and hydrogen fluoride when heated or heated. Decomposing in hot water to obtain strong acidic aqueous solution, and neutralizing ammonium fluoride with anhydrous hydrofluoric acid and liquid ammonia. Ammonium fluoride can corrode glass and is corrosive to skin. Can be used as chemical reagent, glass etching agent (used together with hydrofluoric acid), disinfectant and antiseptic in fermentation industry, solvent for preparing beryllium metal from beryllium oxide, surface treating agent for silicon steel plate, cleaning and descaling for manufacturing ceramics and magnesium alloy, boiler water supply system and steam generation system, acid treatment for oil field sandstone, and alkylation and isomerization catalyst component.

In the prior art, ammonia water is usually slowly added into hydrofluoric acid to prepare ammonium fluoride, but materials are directly added into a reaction tank in the preparation process, and the ammonia water and the hydrofluoric acid enter the reaction tank in strands, so that the feeding speed cannot be controlled, and solution is splashed and reacts violently due to the addition of the strands of ammonia water into the hydrofluoric acid, thereby causing potential safety hazards; in addition, ammonia water and hydrofluoric acid are unstable, and are easy to volatilize when the temperature is higher, and volatilized gas can cause harm to human bodies; in addition, ammonia water and hydrofluoric acid can release heat at the in-process of reaction, if not in time cool down, not only influence the preparation of ammonium fluoride, still can lead to the container explosion of reaction, if open the retort and cool down, then volatile corrosive gas will harm health. Therefore, the cooling operation is needed in the reaction process or the feeding process, so that the safe and efficient production of the ammonium fluoride can be ensured.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a feeding device for producing ammonium fluoride, which effectively controls the feeding speed, prevents raw materials from contacting with each other in the feeding process and reduces the heat generation in the feeding process; and the temperature is reduced in the processes of feeding and reaction, so that the smooth reaction is ensured.

in order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

A feeding device for producing ammonium fluoride comprises a rack, a reaction tank fixed on the rack and a feeding tank fixed at the top of the reaction tank through a support, wherein the feeding tank comprises a first tank and a second tank, the first tank and the second tank are respectively arranged in a first cooling chamber and a second cooling chamber, the bottoms of the first tank and the second tank are respectively provided with a plurality of supporting columns, and the first tank and the second tank are fixed with the inner bottom surfaces of the first cooling chamber and the second cooling chamber through the supporting columns;

A first water inlet pipe is arranged at the top of the first cooling chamber, a first water outlet pipe is arranged at one side of the bottom of the first cooling chamber, a first feed pipe is arranged at one side of the top of the first tank, the first feed pipe penetrates through the first cooling chamber, a first discharge pipe is arranged at the bottom of the first tank, and the first discharge pipe penetrates through the first cooling chamber and extends into the reaction tank; the top of second cooling chamber is equipped with the second inlet tube, bottom one side is equipped with the second outlet pipe, second tank deck portion one side is equipped with the second inlet pipe, the second inlet pipe runs through the second cooling chamber, the bottom of second jar is equipped with the second discharging pipe, the second discharging pipe runs through the second cooling chamber and extends into inside the reaction tank.

Preferably, the retort sets up in the third cooling chamber, the bottom of retort is equipped with a plurality of pillar, the retort pass through the pillar with the interior bottom surface of third cooling chamber is fixed, the retort with form the third cavity between the third cooling chamber.

Preferably, a stirring mechanism is vertically arranged in the reaction tank, the stirring mechanism comprises a stirring shaft and a plurality of blades arranged on the stirring shaft, a guide plate is arranged above the blades on the stirring shaft, and one end of the stirring shaft extends out of the third cooling chamber and is connected with a motor.

Preferably, the guide plates are symmetrically fixed on two sides of the shaft sleeve, the shaft sleeve is sleeved on the stirring shaft, one end of the shaft sleeve is fixed on the inner wall of the top of the reaction tank, and the guide plates are provided with a plurality of semicircular bulges.

preferably, the first discharge pipe and the second discharge pipe are respectively located above the deflector.

Preferably, the two guide plates are arranged from the connecting part to two sides in a downward inclined mode, and the edges of the two guide plates respectively extend out of the side face, close to the inner wall of the reaction tank, of the blade.

Preferably, the bottom of the reaction tank is provided with a discharge pipe, and the discharge pipe extends out of the bottom wall of the third cooling chamber.

Preferably, the top of the third cooling chamber is provided with a water inlet pipe, the bottom of the third cooling chamber is provided with a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively connected with the water storage tank, and a refrigerating pump is arranged between the water inlet pipe and the water storage tank.

Preferably, the outlets of the first discharge pipe and the second discharge pipe are respectively provided with a spray head.

Preferably, the first water inlet pipe and the second water inlet pipe are respectively connected with a refrigerating pump.

The utility model discloses possess following beneficial effect:

The utility model is provided with two feeding tanks at the bottom of the reaction tank, namely a first tank and a second tank which are arranged in a first cooling chamber and a second cooling chamber, so that the first tank and the second tank respectively form a first cavity and a second cavity with the first cooling chamber and the second cooling chamber, and circulating cooling water is introduced into the cavities, thereby cooling the raw materials in the first tank and the second tank and avoiding the evaporation of the raw materials; meanwhile, the reaction tank is arranged in the third cooling chamber, a third cavity is formed between the reaction tank and the third cooling chamber, circulating cooling water is introduced into the third cavity, heat generated by the solvent in the reaction process is reduced, the temperature of the material feeding and the reaction process is reduced, the reaction is ensured to be carried out smoothly, and evaporation of the solvent is reduced. And through the guide plates arranged above the blades and below the spray head, the raw materials can not react due to contact in the feeding process, and the generation of heat in the feeding process is also reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of a guide plate and a stirring shaft;

In the figure: the device comprises a rack 1, a reaction tank 2, a support 3, a first tank 4, a second tank 5, a first cooling chamber 6, a second cooling chamber 7, a support column 8, a first cavity 9, a second cavity 10, a first water inlet pipe 11, a first water outlet pipe 12, a first water inlet pipe 13, a first water outlet pipe 14, a second water inlet pipe 15, a second water outlet pipe 16, a second water inlet pipe 17, a second water outlet pipe 18, a third cooling chamber 19, a support column 20, a third cavity 21, a stirring shaft 22, blades 23, a guide plate 24, a motor 25, a shaft sleeve 26, a discharging pipe 27, a water inlet pipe 28, a water outlet pipe 29, a water storage tank 30, a refrigeration pump 31, a spray head 32 and a protrusion 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

referring to fig. 1-2, the utility model discloses a feeding device of production ammonium fluoride, including frame 1, fix retort 2 in frame 1 and fix the feed jar at retort 2 top through support 3, the feed jar includes first jar 4 and second jar 5, first jar 4 and second jar 5 set up respectively in first cooling chamber 6 and second cooling chamber 7, the bottom of first jar 4 and second jar 5 is equipped with a plurality of support column 8 respectively, first jar 4 and second jar 5 are fixed through the interior bottom surface of support column 8 with first cooling chamber 6 and second cooling chamber 7. It should be noted that: a first cavity 9 is formed between the first tank 4 and the first cooling chamber 6 and a second cavity 10 is formed between the second tank 5 and the second cooling chamber 7.

A first water inlet pipe 11 is arranged at the top of the first cooling chamber 6, a first water outlet pipe 12 is arranged at one side of the bottom of the first cooling chamber 6, a first feed pipe 13 is arranged at one side of the top of the first tank 4, the first feed pipe 13 penetrates through the first cooling chamber 6, a first discharge pipe 14 is arranged at the bottom of the first tank 4, and the first discharge pipe 14 penetrates through the first cooling chamber 6 and extends into the reaction tank 2; the top of second cooling chamber 7 is equipped with second inlet tube 15, bottom one side is equipped with second outlet pipe 16, and second jar 5 top one side is equipped with second inlet pipe 17, and second inlet pipe 17 runs through second cooling chamber 7, and the bottom of second jar 5 is equipped with second discharging pipe 18, and second discharging pipe 18 runs through second cooling chamber 7 and extends into inside retort 2. It should be noted that: a first water inlet pipe 11 and a first water outlet pipe 12 are communicated with the first cavity 9, a second water inlet pipe 15 and a second water outlet pipe 16 are communicated with the second cavity 10, spray heads 32 are respectively arranged at outlets of the first discharge pipe 14 and the second discharge pipe 18, and the spray heads 32 are used for dispersing a solvent and preventing the solvent from falling in strands; the first water inlet pipe 11 and the second water inlet pipe 15 are respectively connected with a refrigerating pump 31, and after refrigerating water by the refrigerating pump 31, the water is introduced into the first cavity 9 and the second cavity 10 and then is discharged by the first water outlet pipe 12 and the second water outlet pipe 16, so that the cooling water in the first cavity 9 and the second cavity 10 is in a circulating state, and the first tank 4 and the second tank 5 are cooled; to avoid waste of water, a water tank (not shown) may be provided to recycle water in the first and second cavities 9 and 10. In this embodiment, hold the aqueous ammonia in the first jar 4, hold hydrofluoric acid in the second jar 5, also can exchange and hold, the recirculated cooling water in first cavity 9 and the second cavity 10 is cooled down aqueous ammonia and hydrofluoric acid, avoids its evaporation or the speed of less evaporation.

The reaction tank 2 is arranged in the third cooling chamber 19, a plurality of support columns 20 are arranged at the bottom of the reaction tank 2, the reaction tank 2 is fixed with the inner bottom surface of the third cooling chamber 19 through the support columns 20, and a third cavity 21 is formed between the reaction tank 2 and the third cooling chamber 19; the top of the third cooling chamber 19 is provided with a water inlet pipe 28, the bottom of the third cooling chamber is provided with a water outlet pipe 29, the water inlet pipe 28 and the water outlet pipe 29 are respectively connected with a water storage tank 30, a refrigerating pump 31 is arranged between the water inlet pipe 28 and the water storage tank 30, so that the refrigerated water falls to the bottom from the top of the reaction tank 2, and then the water is discharged into the water storage tank 30 through the water outlet pipe 29 at the bottom, thereby realizing the continuous cooling of the reaction tank 2. It should be noted that: the ammonia water and the hydrofluoric acid release heat in the reaction process, so in order to ensure the safe and stable reaction, the circulating cooling water is also introduced into the third cavity 21, thereby cooling the reaction tank 2.

A stirring mechanism is vertically arranged in the reaction tank 2, the stirring mechanism comprises a stirring shaft 22 and a plurality of blades 23 arranged on the stirring shaft 22, the shape of the lower part of each blade 23 is consistent with that of the bottom of the reaction tank 2, a guide plate 24 is arranged on the stirring shaft 22 and above the blade 23, and one end of the stirring shaft 22 extends out of the third cooling chamber 19 and is connected with a motor 25. The guide plate 24 is two plates similar to a fan shape, and is symmetrically fixed on two sides of the shaft sleeve 26, the shaft sleeve 26 is sleeved on the stirring shaft 22, one end of the shaft sleeve 26 is fixed on the inner wall of the top of the reaction tank 2, so that the guide plate 24 is fixed in the process that the stirring 22 drives the blades 23 to stir; the baffle 24 is provided with a plurality of semicircular projections 33. The two guide plates are arranged from the joint to the two sides in a downward inclined manner, so that the solvent can fall conveniently, and the edges of the two guide plates respectively extend out of the side surfaces of the blades 23 close to the inner wall of the reaction tank 2; the bottom of the reaction tank 2 is provided with a discharge pipe 27, and the discharge pipe 27 extends out of the bottom wall of the third cooling chamber 19. It should be noted that: the stirring mechanism is used for stirring the solvent, which not only is beneficial to the reaction, but also disperses the heat generated in the reaction process and avoids the over-high temperature rising rate. The first discharging pipe 14 and the second discharging pipe 18 are respectively positioned above the guide plate 24, that is, the two nozzles 32 are respectively corresponding to the upper parts of the two fan-shaped plates, so that the solvents in the first tank 4 and the second tank 5 can fall from two sides of the reaction tank 2 through the fan-shaped plates and fall along the side wall of the reaction tank 2, and in the feeding process, two different raw materials are only mixed at the bottom of the reaction tank 2, and cannot be mixed/reacted during feeding; and the cooling water in the third cavity 21 can cause the temperature of the side wall of the reaction tank 2 to be lower than the temperature of the inner part, thereby enhancing the cooling of the solvent and avoiding the splashing caused by the direct falling of the solvent at the bottom of the reaction tank 2. Moreover, the edges of the two sector plates respectively extend out of the side faces of the blades 23 close to the inner wall of the reaction tank 2, so that the solvent is prevented from directly contacting with the blades 23 to cause solvent splashing, and further, in order to prevent the solvent from contacting with the blades 23, two flanges can be respectively arranged on two side edges of the two sector plates to enable the solvent to fall from the arc-shaped ends of the sector plates. And set up a plurality of semicircular protrusion 33 on two sector plates, mainly in order to avoid the solvent strand whereabouts, a plurality of irregularly arranged protrusion 33 can be fine make the solvent disperse the whereabouts.

Furthermore, valves are respectively arranged on the first water inlet pipe 11, the first water outlet pipe 12, the first feed pipe 13, the first discharge pipe 14, the second water inlet pipe 15, the second water outlet pipe 16, the second feed pipe 17, the second discharge pipe 18, the discharge pipe 27, the water inlet pipe 28 and the water outlet pipe 29, and the valves are connected with a controller, so that the controller controls the opening and closing time and the opening and closing time of all the valves. In a further preferred embodiment, flow meters are arranged below the valves on the first discharge pipe 14 and the second discharge pipe 18, in order to control the flow of the solvent falling, i.e. to control the feed rate.

Furthermore, in order to facilitate the water discharge in the first cavity 9, the second cavity 10, and the third cavity 21, water pumps may be disposed on the first water outlet pipe 12, the second water outlet pipe 16, and the water outlet pipe 29, so as to increase the circulation speed of the cooling water in the first cavity 9, the second cavity 10, and the third cavity 21.

When the utility model is used, firstly, the circulating cooling water is introduced into the first cavity 9, the second cavity 10 and the third cavity 21, the solvent in the first tank 4 and the second tank 5 is cooled, the temperature in the reaction tank 2 is reduced, then ammonia water and hydrofluoric acid are added into the reaction tank 2 by the control valve and the flowmeter, the solvent is dropped onto the guide plate 24 through the spray head 32, the solvent is dropped from the side wall of the reaction tank 2 through the guide plate 24, in the feeding process, the motor 25 is started, the blade 23 is used for stirring and reacting the solvent in the reaction tank 2, and according to the reaction principle and the characteristic of the solvent, the rotating speed of the motor 25 is controlled through the controller; after the reaction is completed, the valve on the discharge pipe 27 is opened to discharge the reaction-completed product. Then, the steps are continuously repeated, so that the whole reaction is finished in a low-temperature environment, the feeding speed is effectively controlled, raw materials are not contacted/mixed/reacted in the feeding process, and the generation of heat in the feeding process is reduced; and the temperature is reduced in the feeding and reaction processes, so that the smooth reaction is ensured, and the potential safety hazard possibly generated in the reaction process is greatly reduced.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a feeding device of production ammonium fluoride, includes frame (1), fixes retort (2) in frame (1) and fixes the feed tank at retort (2) top through support (3), its characterized in that: the feeding tank comprises a first tank (4) and a second tank (5), the first tank (4) and the second tank (5) are respectively arranged in a first cooling chamber (6) and a second cooling chamber (7), the bottoms of the first tank (4) and the second tank (5) are respectively provided with a plurality of supporting columns (8), and the first tank (4) and the second tank (5) are fixed with the inner bottom surfaces of the first cooling chamber (6) and the second cooling chamber (7) through the supporting columns (8);

A first water inlet pipe (11) is arranged at the top of the first cooling chamber (6), a first water outlet pipe (12) is arranged on one side of the bottom of the first cooling chamber, a first feeding pipe (13) is arranged on one side of the top of the first tank (4), the first feeding pipe (13) penetrates through the first cooling chamber (6), a first discharging pipe (14) is arranged at the bottom of the first tank (4), and the first discharging pipe (14) penetrates through the first cooling chamber (6) and extends into the reaction tank (2); the top of second cooling chamber (7) is equipped with second inlet tube (15), bottom one side is equipped with second outlet pipe (16), second jar (5) top one side is equipped with second inlet pipe (17), second inlet pipe (17) run through second cooling chamber (7), the bottom of second jar (5) is equipped with second discharging pipe (18), second discharging pipe (18) run through second cooling chamber (7) and extend into inside retort (2).

2. The feeding device for producing ammonium fluoride according to claim 1, wherein: retort (2) set up in third cooling chamber (19), the bottom of retort (2) is equipped with a plurality of pillar (20), retort (2) pass through pillar (20) with the interior bottom surface of third cooling chamber (19) is fixed, retort (2) with form third cavity (21) between third cooling chamber (19).

3. The feeding device for producing ammonium fluoride according to claim 2, characterized in that: the vertical rabbling mechanism that is provided with in retort (2), the rabbling mechanism includes (mixing) shaft (22), sets up a plurality of blade (23) on (mixing) shaft (22), be located the top of blade (23) is equipped with guide plate (24), the one end of (mixing) shaft (22) is stretched out third cooling chamber (19) and is connected with motor (25).

4. The feeding device for producing ammonium fluoride according to claim 3, characterized in that: the guide plate (24) is symmetrically fixed on two sides of the shaft sleeve (26), the shaft sleeve (26) is sleeved on the stirring shaft (22), one end of the shaft sleeve (26) is fixed on the inner wall of the top of the reaction tank (2), and the guide plate (24) is provided with a plurality of semicircular bulges (33).

5. The feeding device for producing ammonium fluoride according to claim 4, wherein: the first discharge pipe (14) and the second discharge pipe (18) are each located above the deflector (24).

6. The feeding device for producing ammonium fluoride according to claim 4, wherein: the two guide plates (24) are arranged from the connection part to the two sides in a downward inclined mode, and the edges of the two guide plates (24) extend out of the side face, close to the inner wall of the reaction tank (2), of the blade (23) respectively.

7. The feeding device for producing ammonium fluoride according to claim 2, characterized in that: the bottom of retort (2) is equipped with row material pipe (27), arrange material pipe (27) and stretch out the diapire of third cooling chamber (19).

8. the feeding device for producing ammonium fluoride according to claim 2, characterized in that: the top of third cooling chamber (19) is equipped with inlet tube (28), the bottom is equipped with outlet pipe (29), inlet tube (28) and outlet pipe (29) are connected with storage water tank (30) respectively, be equipped with refrigerating pump (31) between inlet tube (28) and storage water tank (30).

9. The feeding device for producing ammonium fluoride according to claim 1, wherein: spray heads (32) are respectively arranged at the outlets of the first discharge pipe (14) and the second discharge pipe (18).

10. The feeding device for producing ammonium fluoride according to claim 1, wherein: and the first water inlet pipe (11) and the second water inlet pipe (15) are respectively connected with a refrigeration pump (31).