CN212356564U

CN212356564U - Caustic soda processing preheating device

Info

Publication number: CN212356564U
Application number: CN202020764975.2U
Authority: CN
Inventors: 王振军; 赵秀芬; 于旭超; 刘仁强; 刘兆刚
Original assignee: Shandong Zhongyin Chemical Technology Co ltd
Current assignee: Shandong Zhongyin Chemical Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-01-15
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a caustic soda processing preheating device, including the preheating cabinet, the top of preheating cabinet is equipped with the charge pump, inlay in the lateral wall of preheating cabinet diapire and establish fixedly connected with electric heating plate, be equipped with the preheated water in the preheating cabinet, be equipped with interior hot chamber and three spiral pipe in the preheating cabinet, it is three the top in hot chamber including the spiral pipe all sets up, it is three the upper end lateral wall in interior hot chamber and rather than fixed connection are all run through to the lower extreme of spiral pipe. The utility model discloses preheat brine through three spiral pipe and interior hot chamber, can shunt brine, still can prolong brine preheating time, be favorable to more effectual preheating, the water bath heating can be realized to the electrical heating board simultaneously, cooperation high temperature steam preheats the brine in interior hot chamber and the spiral pipe, and the brine of interior hot intracavity can be automatic to mix through the stirring leaf, the stirring is mixed and is mixxed brine and can be makeed brine heat ground more even to make and preheat time-consuming weak point, it is effectual to preheat.

Description

Caustic soda processing preheating device

Technical Field

The utility model relates to a caustic soda processing technology field especially relates to a caustic soda processing preheating device.

Background

The caustic soda is sodium hydroxide, is a necessary chemical in chemical laboratory, is one of the common chemical products, the pure product is colorless transparent crystal, its use is very wide, can be used for producing paper, soap, dye, rayon, smelting metal, refining petroleum, finishing cotton fabric, purifying coal tar product, and in the fields of food processing, wood processing and mechanical industry, etc., in the process of using diaphragm electrolytic method to make caustic soda, firstly adding original salinized salt, adding soda, barium chloride refining agent to remove impurities of calcium, magnesium and sulfate radical ions, then adding sodium polyacrylate or causticizing in clarifying tank to accelerate precipitation, after sand filtration, adding hydrochloric acid to neutralize, preheating brine, then feeding electrolysis, preheating electrolyte, evaporating, separating salt, cooling to obtain liquid caustic soda, further decocting and concentrating to obtain solid caustic soda finished product. The salt slurry washing water is used for dissolving salt.

Through retrieval, chinese patent No. CN207684899U discloses a preheating device for caustic soda processing, which can preheat brine more uniformly, but still has the following disadvantages: the barrel is used for containing saline water to be preheated, the saline water is preheated only through the heating wire at the upper end, the stirring function is lacked, the preheating time is long, and the effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the caustic soda processing preheating device who proposes, it preheats salt solution through three spiral pipe and interior hot chamber, can shunt salt solution, still can prolong salt solution preheating time, be favorable to more effectual preheating, water bath heating can be realized to the electrical heating board simultaneously, cooperation high temperature steam preheats the salt solution in interior hot chamber and the spiral pipe, and the salt solution in interior hot chamber can mix through stirring the leaf automatically, the stirring is mixed and is mixted salt solution and can be made salt solution heat ground more even, thereby make and preheat time-consuming and short, it is effectual to preheat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a caustic soda processing preheating device comprises a preheating box, wherein a feeding pump is arranged above the preheating box, an electric heating plate fixedly connected with the preheating box is embedded in the side wall of the bottom wall of the preheating box, preheating water is arranged in the preheating box, an inner heating cavity and three spiral pipes are arranged in the preheating box, the three spiral pipes are all arranged above the inner heating cavity, the lower ends of the three spiral pipes all penetrate through the side wall of the upper end of the inner heating cavity and are fixedly connected with the inner heating cavity, the upper ends of the three spiral pipes all penetrate through the inner wall of the upper end of the preheating box and are connected with the output end of the feeding pump, a discharge port penetrates through and is fixedly connected with the side wall of the preheating box, one end of the discharge port in the preheating box penetrates through and is fixedly connected with the side wall of the inner heating cavity, three steam spray nozzles penetrate through and are fixedly connected with the side walls of the two sides of the, seven stirring blades are fixedly connected to the three rotating shafts, and the stirring blades are arranged right opposite to the lower end of the spiral pipe.

Preferably, a water inlet and a pressure regulating valve are arranged on the side wall of the preheating tank.

Preferably, a valve is arranged on the discharge hole.

Preferably, one end of each of the three steam nozzles, which is located outside the preheating tank, is fixedly connected and communicated with the output end of the electric heating steam generator.

Preferably, an exhaust pipe penetrates through and is fixedly connected to the side wall of the inner heat cavity close to the top, and the exhaust pipe penetrates through and is fixedly connected with the inner wall of the preheating box.

Preferably, the inner heat cavity is fixedly connected with the bottom wall of the preheating box through a support column.

The utility model discloses following beneficial effect has:

1. through setting up the preheating cabinet, the electric heating board, preheat water, interior hot chamber, the spiral pipe, steam nozzle, electric heating board heatable preheat water, make its boiling and produce steam, thereby carry out water bath heating to the interior hot chamber of preheating cabinet, output through electric heating steam generator pours into high-temperature steam into towards the three steam nozzle of both sides, the steam of cooperation water bath heating production, thereby carry out high-temperature steam heating to the three spiral pipe in the preheating cabinet, three spiral pipe not only can shunt brine, still can prolong brine preheating time, be favorable to more effectual preheating.

2. Through setting up pivot and stirring leaf, when salt solution falls into the inner heat cavity, can assault the stirring leaf, the stirring leaf rotates through the pivot to salt solution in the inner heat cavity stirs, and the stirring is mixed and is stirred salt solution and can be made salt solution heat ground more even.

Drawings

Fig. 1 is a schematic structural view of a preheating device for caustic soda processing according to the present invention;

fig. 2 is a schematic view of the vertical structure of the rotating shaft and the stirring blades of the preheating device for processing caustic soda according to the present invention.

In the figure: 1 preheating box, 2 feeding pumps, 3 electric heating plates, 4 preheating water, 5 internal heating cavities, 6 spiral pipes, 7 discharge ports, 8 steam nozzles, 9 rotating shafts, 10 stirring blades, 11 exhaust pipes and 12 supporting columns.

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.

Referring to fig. 1-2, a caustic soda processing preheating device comprises a preheating box 1, a feeding pump 2 is arranged above the preheating box 1, an electric heating plate 3 is fixedly connected in the side wall of the bottom wall of the preheating box 1 in an embedded manner, preheating water 4 is arranged in the preheating box 1, a water inlet and a pressure regulating valve are arranged on the side wall of the preheating box 1, a proper amount of preheating water 4 is injected into the water inlet, the pressure regulating valve can regulate the air pressure of the preheating water, an inner heating cavity 5 and three spiral pipes 6 are arranged in the preheating box 1, the three spiral pipes 6 are all arranged above the inner heating cavity 5, the electric heating plate 3 is controlled to be started, the electric heating plate 3 can heat the preheating water 4 to boil and generate steam, so as to heat the inner heating cavity 5 in the preheating box 1 in a water bath manner, the lower ends of the three spiral pipes 6 all penetrate through the side wall of the upper end of the inner heating cavity 5 and are fixedly connected with the upper end of, the input end of the feed pump 2 is communicated with brine to be preheated, the side wall of the preheating box 1 is penetrated and fixedly connected with a discharge port 7, one end of the discharge port 7 positioned in the preheating box 1 is penetrated and fixedly connected with the side wall of the inner heat cavity 5, the discharge port 7 is provided with a valve, three steam nozzles 8 are penetrated and fixedly connected with the side walls of two sides of the preheating box 1, one ends of the three steam nozzles 8 positioned outside the preheating box 1 are fixedly connected and communicated with the output end of the electric heating steam generator, high-temperature steam is injected towards the three steam nozzles 8 at two sides through the output end of the electric heating steam generator, so that the three spiral pipes 6 in the preheating box 1 are heated by the high-temperature steam, the three spiral pipes 6 can not only shunt the brine, but also can prolong the brine preheating time and are beneficial to more effective preheating, and three rotating shafts 9 are rotatably connected on the, seven stirring leaves 10 of equal fixedly connected with on three pivot 9, stirring leaf 10 is just to the lower extreme setting of spiral pipe 6, run through and fixedly connected with blast pipe 11 on the lateral wall that interior hot chamber 5 is close to the top, blast pipe 11 runs through preheating cabinet 1's inner wall and rather than fixed connection, when salt solution falls into interior hot chamber 5, can strike stirring leaf 10, stirring leaf 10 rotates through pivot 9, thereby salt solution in the interior hot chamber 5 stirs, the stirring is mixed and is stirred salt solution and can be made salt solution heat ground more even, interior hot chamber 5 passes through the diapire fixed connection of support column 12 with preheating cabinet 1.

In the utility model, before the use, inject into proper amount preheating water 4 through the water inlet on the preheating cabinet 1, the pressure regulating valve on the preheating cabinet 1 can adjust its atmospheric pressure, control starts electric heating board 3, electric heating board 3 can heat preheating water 4, make its boiling and produce steam, thereby carry out water bath heating to interior hot chamber 5 in the preheating cabinet 1, then inject high-temperature steam towards three steam spray nozzle 8 of both sides through electric heating steam generator's output, thereby carry out high-temperature steam heating to three spiral pipe 6 in the preheating cabinet 1, control starts charge pump 2, charge pump 2 pumps the brine that waits to preheat into interior hot chamber 5 through three spiral pipe 6, in this process, the steam of intussuseption in preheating cabinet 1, when falling into interior hot chamber 5, can strike stirring leaf 10, stirring leaf 10 rotates through pivot 9, thereby stir the brine in interior hot chamber 5, stirring mixing stirs salt solution can make salt solution heating more even, and steam in the hot chamber 5 can be discharged in the blast pipe 11, preheats the back to the salt solution in the hot chamber 5 to can discharge through discharge gate 7 and carry out next electrolysis process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The caustic soda processing preheating device comprises a preheating box (1) and is characterized in that a feeding pump (2) is arranged above the preheating box (1), a fixedly connected electric heating plate (3) is embedded in the side wall of the bottom wall of the preheating box (1), preheating water (4) is arranged in the preheating box (1), an inner heating cavity (5) and three spiral pipes (6) are arranged in the preheating box (1), the three spiral pipes (6) are arranged above the inner heating cavity (5), the lower ends of the three spiral pipes (6) penetrate through the side wall of the upper end of the inner heating cavity (5) and are fixedly connected with the inner heating cavity, the upper ends of the three spiral pipes (6) penetrate through the inner wall of the upper end of the preheating box (1) and are connected with the output end of the feeding pump (2), a discharge port (7) penetrates through and is fixedly connected with the side wall of the preheating box (1), one end of the discharge port (7) located in the preheating box (1) penetrates through and is fixedly connected with the side wall of the inner heating cavity (5, the preheating device is characterized in that three steam spray nozzles (8) penetrate through and are fixedly connected to the side walls of the two sides of the preheating box (1), three rotating shafts (9) are rotatably connected to the inner walls, opposite to the inner heat cavity (5), of the inner heat cavity, seven stirring blades (10) are fixedly connected to the rotating shafts (9), and the stirring blades (10) are arranged right at the lower end of the spiral pipe (6).

2. The caustic soda process preheating device according to claim 1, wherein a water inlet and a pressure regulating valve are provided on a side wall of the preheating tank (1).

3. The caustic soda processing preheating device according to claim 1, wherein a valve is arranged on the discharge port (7).

4. The caustic soda processing preheating device according to claim 1, characterized in that one end of each of the three steam nozzles (8) located outside the preheating box (1) is fixedly connected and communicated with the output end of the electrically heated steam generator.

5. A preheating device for caustic soda processing according to claim 1, characterized in that the side wall of the internal heating chamber (5) near the top is penetrated and fixedly connected with an exhaust pipe (11), and the exhaust pipe (11) penetrates and is fixedly connected with the inner wall of the preheating chamber (1).

6. A caustic soda process preheating device according to claim 1, characterized in that the inner heat chamber (5) is fixedly connected with the bottom wall of the preheating chamber (1) by means of supporting columns (12).