CN217527500U

CN217527500U - Multistage reation kettle of production lead nitrate

Info

Publication number: CN217527500U
Application number: CN202221686562.2U
Authority: CN
Inventors: 王志辉; 姜亚军
Original assignee: Hunan Hanhua Chemical Co ltd
Current assignee: Hunan Hanhua Chemical Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-04
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a multistage reation kettle of production lead nitrate, include: the hollow cauldron body, the internal vertical pivot that is equipped with of cauldron, the internal portion of cauldron divide into from top to bottom in proper order: the preheating zone is vertically provided with a plurality of charging barrels, the area between the charging barrels is a heating cavity, and a heating liquid inlet and a heating liquid outlet which penetrate through the heating cavity are formed in the kettle body; a feed inlet is arranged above the preheating zone, and a coil pipe is arranged on the outer wall of the kettle body of the preheating zone; the material control area is provided with a lifting frame, and the lifting frame is provided with a material control cone matched with the lower port edge of the charging barrel; the reaction zone is provided with stirring blades, and the periphery of the kettle body of the reaction zone is provided with a heating jacket; the upper part of the kettle body of the reaction area is communicated with the coil pipe through a pipeline, and a discharge port is arranged below the kettle body of the reaction area. According to the utility model provides a multistage reaction kettle preheats lead slag, rare nitric acid respectively earlier, concentrates the reaction again, makes to reach best reaction temperature fast for going on of lead nitrate reaction, improved production efficiency.

Description

Multistage reation kettle of production lead nitrate

Technical Field

The utility model relates to a reation kettle technical field especially relates to a multistage reation kettle of production lead nitrate.

Background

Lead nitrate, which is a white cubic or monoclinic crystal, is hard and shiny and readily soluble in water. The method is mainly used for preparing raw materials of lead salt, mordant, fireworks and the like. Lead nitrate usually needs to be put into a reaction kettle with lead slag and dilute nitric acid to react in the production process, and the reaction temperature is most suitable when the reaction temperature is about 65 ℃. The temperature rise is slower when the inside material of reation kettle that uses in current lead nitrate produces mixes, especially the middle part position department of reation kettle, and the time that leads to reacting slow consumption is long, consequently for accelerate the reaction, promote production efficiency, must reform transform, upgrade current reation kettle for the material reaches the best reaction condition fast.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a multistage reation kettle of production lead nitrate, this reation kettle preheats lead dross, rare nitric acid respectively earlier, carries out concentrated reaction on next step again for the material reaches best reaction temperature fast, has accelerated going on of lead nitrate reaction to a certain extent at least, has shortened reaction time, has improved production efficiency.

In order to realize the purpose, the utility model adopts the technical scheme as follows:

the utility model provides a multistage reation kettle of production lead nitrate, include: the hollow cauldron body, the internal vertical pivot that is equipped with of cauldron, the internal portion of cauldron divide into from top to bottom in proper order:

the preheating zone is vertically provided with a plurality of charging barrels which are communicated up and down, the area between the charging barrels is a heating cavity, and the kettle body is provided with a heating liquid inlet and a heating liquid outlet which penetrate through the heating cavity; a feed port penetrating out of the kettle body is arranged above the preheating zone, a coil pipe is arranged on the outer wall of the kettle body of the preheating zone, one end of the coil pipe is provided with a liquid inlet, and the other end of the coil pipe is provided with a liquid outlet;

the material control area is provided with a lifting frame, the lifting frame is provided with a material control cone matched with the lower port edge of the charging barrel, and the opening degree of the material control cone and the lower port edge of the charging barrel is controlled through the lifting frame; and

the reaction zone is provided with a stirring blade fixedly connected with the rotating shaft, and the periphery of the kettle body of the reaction zone is provided with a heating jacket; the upper part of the kettle body of the reaction area is communicated with the liquid outlet through a pipeline, and the lower part of the kettle body of the reaction area is provided with a discharge port.

In some embodiments, the material control area is provided with a mounting rack, and a material smashing rod extending into the material barrel is vertically and movably arranged on the mounting rack; the material control area is also provided with a jacking plate fixedly connected with the rotating shaft, the upper end of the jacking plate is provided with a jacking inclined surface, and when the jacking plate rotates to be in contact with the lower end of the material smashing rod, the jacking inclined surface drives the material smashing rod to ascend.

In some embodiments, a return spring is sleeved between the lower part of the material smashing rod and the mounting frame and used for elastically pushing the material smashing rod to return downwards.

In some embodiments, the tamping bar on the inner portion of the barrel has a spike inclined downwardly.

In some embodiments, the upper end of the charging barrel is provided with a scraping plate fixedly connected with the rotating shaft.

In some embodiments, the heating jacket has a jacket inlet above and a jacket outlet below the heating jacket.

Compared with the prior art, the utility model provides a multistage reation kettle of production lead nitrate's beneficial effect is: the reaction kettle preheats the lead slag and the dilute nitric acid respectively, and then carries out the next step of concentrated reaction, so that the materials quickly reach the optimal reaction temperature, the lead nitrate reaction is accelerated to a certain extent, the reaction time is shortened, and the production efficiency is improved.

Moreover, the utility model discloses well material pole of smashing of reciprocating motion about setting up can effectively reduce the material in the feed cylinder and condense, plug up the condition, has improved the reliability that lead slag preheats the reaction in succession, is worth using widely.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a main sectional structure of an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic top view of the crane of fig. 3 according to the present invention;

fig. 5 is a schematic top view of the jacking plate of fig. 3 according to the present invention.

In the figure: 1. a preheating zone; 101. a feeding port; 102. a discharge outlet; 10. a rotating shaft; 11. a charging barrel; 111. a heating fluid inlet; 112. a heating liquid outlet; 12. a coil pipe; 121. a liquid inlet; 122. a liquid outlet; 13. a squeegee; 2. a material control area; 21. a lifting frame; 22. a material control cone; 23. a mounting frame; 24. a material smashing rod; 25. a jacking plate; 26. a return spring; 27. a spine portion; 3. a reaction zone; 31. stirring blades; 32. heating the jacket; 321. a jacket inlet; 322. and (4) a jacket outlet.

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. 1-5, fig. 1 is a schematic main sectional structure diagram of an embodiment of the present invention; FIG. 2 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 1 according to the present invention; fig. 3 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic top view of the crane shown in fig. 3 according to the present invention; fig. 5 is a schematic top view of the jacking plate of fig. 3 according to the present invention.

Example one

In a specific embodiment, the present invention provides a multi-stage reaction kettle for producing lead nitrate, including: the hollow cauldron body, the cauldron body is cylindrical, the internal vertical pivot 10 that is equipped with of cauldron, with the axis coincidence of cylinder, cauldron body upper end is equipped with the speed reducer, and this speed reducer is connected with the transmission of pivot 10, drives the rotation of pivot 10, the internal portion of cauldron divide into from top to bottom in proper order:

the preheating device comprises a preheating zone 1, wherein the preheating zone 1 is vertically provided with a plurality of material cylinders 11 which are communicated up and down and are cylindrical, the diameter of each material cylinder is about 400mm, the area between the material cylinders 11 is a heating cavity, and a heating liquid inlet 111 and a heating liquid outlet 112 which penetrate through the heating cavity are arranged on the kettle body, wherein the farther the distance between the heating liquid inlet 111 and the heating liquid outlet 112 is, the better the heating liquid inlet 111 is arranged at the right lower part of the preheating zone 1 in the figure 1, and the heating liquid outlet 112 is arranged at the left upper part of the preheating zone 1; a feeding port 101 penetrating outside the kettle body is arranged above the preheating zone 1, a coil 12 is arranged on the outer wall of the kettle body of the preheating zone 1, one end of the coil 12 is provided with a liquid inlet 121, the other end of the coil is provided with a liquid outlet 122, and a heat-insulating layer is covered on the periphery of the coil 12;

the material control area 2 is provided with lifting frames 21, wherein, in order to realize lifting adjustment, sliding chutes can be vertically arranged on the kettle body, at least two sliding chutes are arranged around the axis of the kettle body, four sliding chutes are arranged in the figure, then supports matched with the sliding chutes are arranged on the lifting frames 21, the supports extend to the outer wall of the kettle body, lifting mechanisms such as hydraulic cylinders, electric push rods and the like are vertically arranged on the outer wall of the kettle body, and the telescopic ends of the lifting frames are connected with the supports, so that the lifting frames 21 are lifted; in addition, a flexible rubber mat is arranged at the sliding chute to prevent the material from leaking out of the sliding chute, a material control cone 22 matched with the lower port edge of the charging barrel 11 is arranged on the lifting frame 21, and the opening degrees of the material control cone 22 and the lower port edge of the charging barrel 11 are controlled by the lifting frame 21; and

the reaction zone 3 is provided with a stirring blade 31 fixedly connected with the rotating shaft 10, and the periphery of the kettle body of the reaction zone 3 is provided with a heating jacket 32; the upper part of the kettle body of the reaction area 3 is communicated with the liquid outlet 122 through a pipeline, and the lower part of the kettle body of the reaction area 3 is provided with a discharge port 102.

In the specific use process, heating media such as heat conduction oil, water and the like are introduced from a heating liquid inlet 111, then the lead slag is continuously fed from a feeding port 101, when the lead slag passes through the charging barrel 11, all parts of the inner layer of the lead slag are basically preheated to a higher temperature under the heating of the heating cavity, meanwhile, dilute nitric acid is fed from a liquid inlet 121, the dilute nitric acid is also preheated to the higher temperature under the heating of the heating cavity, the preheated lead slag and the dilute nitric acid enter the reaction zone 3 in the next step, are uniformly mixed under the action of the stirring blades 31 and are subjected to concentrated reaction, and the heating jacket 32 is used for keeping the reaction zone 3 at the optimal reaction temperature; understandably, the lead slag and the dilute nitric acid are respectively preheated, and then the next concentrated reaction is carried out, so that the material quickly reaches the optimal reaction temperature, the lead nitrate reaction is accelerated to a certain extent, the reaction time is shortened, and the production efficiency is improved.

Example two

Based on the first embodiment, in order to reduce the coagulation and blockage of the material in the material cylinder 11, in this embodiment, optionally, the material control area 2 is provided with a mounting frame 23 fixed on the inner wall of the kettle body, a material smashing rod 24 extending into the material cylinder 11 is vertically movably arranged on the mounting frame 23, and of course, the material smashing rod 24 also penetrates through the axis of the material control cone 22 and is in sliding fit; the material control area 2 is further provided with four jacking plates 25 fixedly connected with the rotating shaft 10, the four jacking plates can be uniformly distributed around the shaft, the upper ends of the jacking plates 25 are provided with jacking inclined planes, and when the jacking plates 25 rotate to be in contact with the lower ends of the smashing rods 24, the jacking inclined planes drive the smashing rods 24 to ascend, so that when the smashing rods 24 ascend, lead slag in the charging barrels 11 can be smashed, and lead slag blocking at the centers of the charging barrels is prevented.

Further, the cover is equipped with return spring 26 between ramming material pole 24 below and the mounting bracket 23, return spring 26 is used for the tight return in elasticity downwards of ramming material pole 24, and it is peripheral that ramming material pole 24 below is located to return spring 26 cover promptly, and the mounting bracket is withstood to return spring 26's upper end, and the lower extreme withstands return spring 26 lower extreme, when ramming material pole 24 leaves the jacking inclined plane, return spring 26 alright make ramming material pole 24 elasticity reset downwards, and in addition, for the stroke that restriction ramming material pole 24 descends, can set up the stopper on the ramming material pole 24 that is located the mounting bracket top position, thereby restriction ramming material pole 24 descends the stroke, simultaneously for making ramming material pole 24 lower extreme and jacking inclined plane smooth transition, can set up ramming material pole 24 lower extreme into the bulb form.

Still further, the ramming material rod 24 in the inner part of the barrel 11 is provided with a downward inclined spike part 27, and the spike part 27 is beneficial to scraping lead slag downwards.

EXAMPLE III

Based on the first or second embodiment, in order to ensure that the material from the material feeding port 101 can be continuously fed to the upper end of the material barrel 11, in this embodiment, optionally, the upper end of the material barrel 11 is provided with a scraping plate 13 fixedly connected to the rotating shaft 10 to scrape off the material, and it should be noted that an upward protruding sleeve should be provided at the center where the rotating shaft 10 passes through the upper end of the material barrel 11 to prevent the material from entering the rotating shaft 10 and being stuck.

Example four

Based on the first or second embodiment, in order to continuously supply heat to the heating jacket 32, in this embodiment, optionally, a jacket inlet 321 is provided above the heating jacket 32, and a jacket outlet 322 is provided below the heating jacket 32, so that the conduction oil or the hot water can be introduced from the jacket inlet 321 and then led out from the jacket outlet 322 to form a circulation.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing are only preferred embodiments of the present invention, and it should be noted that there are practically unlimited specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features described above can also be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A multi-stage reaction vessel for producing lead nitrate comprising: the hollow cauldron body, the internal vertical pivot (10) that are equipped with of cauldron, its characterized in that, the internal portion of cauldron divide into from top to bottom in proper order:

the device comprises a preheating zone (1), wherein a plurality of charging barrels (11) which are communicated up and down are vertically arranged in the preheating zone (1), a heating cavity is arranged in an area between the charging barrels (11), and a heating liquid inlet (111) and a heating liquid outlet (112) which penetrate through the heating cavity are formed in the kettle body; a feed port (101) penetrating out of the kettle body is arranged above the preheating zone (1), a coil (12) is arranged on the outer wall of the kettle body of the preheating zone (1), one end of the coil (12) is provided with a liquid inlet (121), and the other end of the coil is provided with a liquid outlet (122);

the material control area (2), the material control area (2) is provided with a lifting frame (21), the lifting frame (21) is provided with a material control cone (22) matched with the lower port edge of the charging barrel (11), and the opening degree of the material control cone (22) and the lower port edge of the charging barrel (11) is controlled through the lifting frame (21); and

the reaction zone (3), the reaction zone (3) is provided with a stirring blade (31) fixedly connected with the rotating shaft (10), and the periphery of the kettle body of the reaction zone (3) is provided with a heating jacket (32); the upper part of the kettle body of the reaction area (3) is communicated with the liquid outlet (122) through a pipeline, and the lower part of the kettle body of the reaction area (3) is provided with a discharge opening (102).

2. The multistage reaction kettle for producing lead nitrate according to claim 1, wherein the material control area (2) is provided with a mounting frame (23), and a material smashing rod (24) extending into the charging barrel (11) is vertically and movably arranged on the mounting frame (23); the material control area (2) is further provided with a jacking plate (25) fixedly connected with the rotating shaft (10), the upper end of the jacking plate (25) is provided with a jacking inclined surface, and when the jacking plate (25) rotates to be in contact with the lower end of the material smashing rod (24), the jacking inclined surface drives the material smashing rod (24) to ascend.

3. The multistage reaction kettle for producing lead nitrate according to claim 2, wherein a return spring (26) is sleeved between the lower part of the material smashing rod (24) and the mounting frame (23), and the return spring (26) is used for elastically pushing the material smashing rod (24) downwards to return.

4. The multistage reaction kettle for producing lead nitrate according to claim 2, characterized in that the ramming rod (24) located in the inner part of the barrel (11) is provided with a downward-inclined spike part (27).

5. The multistage reaction kettle for producing lead nitrate according to any one of claims 1 to 4, characterized in that the upper end of the charging barrel (11) is provided with a scraper (13) fixedly connected with the rotating shaft (10).

6. The multistage reaction kettle for producing lead nitrate according to any one of claims 1 to 4, characterized in that the heating jacket (32) has a jacket inlet (321) above and a jacket outlet (322) below the heating jacket (32).