CN215312342U

CN215312342U - Environment-friendly silicic acid refining reaction tank

Info

Publication number: CN215312342U
Application number: CN202121103158.3U
Authority: CN
Inventors: 肖启发; 李金荣; 温建军
Original assignee: Foshan Xilong Chemical Co ltd
Current assignee: Foshan Xilong Chemical Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-28
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an environment-friendly silicic acid refining reaction tank, which comprises a reaction tank, a kettle cover, a first feeding pipe, a second feeding pipe and a third feeding pipe, wherein the kettle cover is hermetically fastened and fixed on the reaction tank, the first feeding pipe, the second feeding pipe and the third feeding pipe are arranged on the kettle cover and used for feeding reactants, a discharging port is arranged at the bottom of the reaction tank, a wall scraping mechanism is fixed in the center of the top of the kettle cover and extends into the reaction tank, a first stirring mechanism and a second stirring mechanism which are respectively fixed on the kettle cover, arranged on two sides of the wall scraping mechanism, extend into the reaction tank and have the same structure, a temperature sensor is arranged on the kettle cover and used for acquiring temperature signals in the reaction tank, a transmitter is fixed on the kettle cover, and a pressure gauge is arranged on the kettle cover and used for acquiring the pressure value in the reaction tank; and the lower rotating track of the wall scraping mechanism wraps the rotating tracks of the first stirring mechanism and the second stirring mechanism.

Description

Environment-friendly silicic acid refining reaction tank

Technical Field

The utility model relates to the technical field of silicic acid preparation, in particular to an environment-friendly silicic acid refining reaction tank.

Background

At present, the preparation of silicic acid in the prior art mainly comprises a laboratory preparation method and an industrial preparation method, wherein, water glass (sodium silicate aqueous solution) and hydrochloric acid react or sodium silicate and carbon dioxide react with water to prepare silicic acid colloid in a laboratory. In addition, industrial production methods can be further classified into three categories: (1) soaking the fine-pore spherical silica gel in hydrochloric acid for 4-6 h by a hydrochloric acid method, washing with pure water, drying for more than 72h, washing with pure water, and drying at 70-80 ℃ for the second time to obtain silicic acid; (2) adding acid and electrolyte into sodium silicate solution, stirring to react to produce silicic acid gel, ageing, washing, drying and activating to obtain silica gel. Products with different specifications can be prepared by different raw material proportions and process conditions; (3) adding acid and a certain amount of electrolyte into a sodium silicate solution, reacting under stirring to generate silicic acid gel, and aging, washing, drying and activating to obtain the silica gel. The products with different specifications can be prepared by adopting different raw material proportions and process conditions.

In the industrial preparation process, silicic acid gel is obtained, which has adhesive property, and the traditional reaction tank can not meet the requirements of stirring and reaction. Therefore, an environment-friendly silicic acid refining reaction tank with simple structure and repeated stirring is urgently needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model aims to provide an environment-friendly silicic acid refining reaction tank, and adopts the following technical scheme:

an environment-friendly silicic acid refining reaction tank comprises a reaction tank, a kettle cover, a first feeding pipe, a second feeding pipe and a third feeding pipe, wherein the kettle cover is hermetically fastened and fixed on the reaction tank, the first feeding pipe, the second feeding pipe and the third feeding pipe are arranged on the kettle cover and used for feeding reactants, a discharging port is arranged at the bottom of the reaction tank, a wall scraping mechanism is fixed in the center of the top of the kettle cover and extends into the reaction tank, a first stirring mechanism and a second stirring mechanism are respectively fixed on the kettle cover and distributed on two sides of the wall scraping mechanism and extend into the reaction tank, the first stirring mechanism and the second stirring mechanism are identical in structure, a temperature sensor is arranged on the kettle cover and used for collecting temperature signals in the reaction tank, a transmitter is fixed on the kettle cover, and a pressure gauge is arranged on the kettle cover and used for collecting pressure values in the reaction tank; and the lower rotating track of the wall scraping mechanism wraps the rotating tracks of the first stirring mechanism and the second stirring mechanism.

Furthermore, environment-friendly silicic acid refining reaction jar still includes the heat dissipation skin of parcel on the reaction is irritated, the liquid chamber that constitutes jointly by the outer wall that the reaction irritated and the outer inner wall of heat dissipation, sets up the feed liquor pipe in the outer lower part of heat dissipation to and set up the drain pipe in the outer upper portion of heat dissipation.

Further, the environment-friendly silicic acid refining reaction tank also comprises an observation window arranged on the kettle cover.

Preferably, the second stirring mechanism comprises a bearing sleeve fixed on the kettle cover, a stirring motor fixed at the top of the bearing sleeve, a stirring shaft arranged in the bearing sleeve and extending into the reaction tank, a plurality of stirring paddles sleeved on the stirring shaft and arranged in the reaction tank, and a stirring head arranged at the bottom of the stirring shaft.

Furthermore, the stirring paddle comprises a paddle sleeve seat which is sleeved and fixed on the stirring shaft, and a plurality of paddles which are annularly arranged on the paddle sleeve seat.

Preferably, the lower edge of the stirring head is annularly provided with a plurality of stirring teeth.

Furthermore, the wall scraping mechanism comprises a wall scraping motor arranged on the kettle cover, a wall scraping shaft connected with the wall scraping motor and extending into the reaction tank, and a U-shaped wall scraping blade connected with the lower part of the wall scraping shaft.

Furthermore, an access door is arranged on the kettle cover.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the utility model skillfully arranges the wall scraping mechanism, the first stirring mechanism and the second stirring mechanism, thereby ensuring full stirring in the reaction process and improving the reaction efficiency; moreover, the wall scraping mechanism and the stirring mechanism are arranged to scrape down the silicic acid gel and push the discharged material, so that the discharging is more reliable;

(2) the temperature of the reaction tank is adjusted by arranging the heat dissipation outer layer, the liquid cavity, the liquid inlet pipe and the liquid outlet pipe; according to signals collected by the transmitter, the temperature sensor and the pressure gauge, reliable and controllable adjustment reaction regulation is performed;

(3) the utility model solves the problem that the traditional reaction kettle can not carry out full stirring in the reaction process by arranging the stirring paddle, the stirring head and the wall scraping blade;

in conclusion, the utility model has the advantages of simple structure, strong controllability and the like, and has very high practical value and popularization value in the technical field of production of environment-friendly heat-insulating layers of buildings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 of protection, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural view of the kettle cover and the accessory equipment of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1. filling a reaction tank; 2. a kettle cover; 3. a heat dissipation outer layer; 4. a liquid chamber; 5. a liquid inlet pipe; 6. a liquid outlet pipe; 7. a discharge port; 8. an access door; 9. a first stirring mechanism; 10. a second stirring mechanism; 11. a wall scraping mechanism; 12. a transmitter; 13. an observation window; 14. a temperature sensor; 15. a pressure gauge; 16. a first feed tube; 17. a second feed tube; 18. a third feed pipe; 101. a stirring motor; 102. a stirring shaft; 103. a stirring paddle; 104. a stirring head; 105. a bearing housing; 111. a wall scraping motor; 112. a wall scraping shaft; 113. a wall scraping blade; 1031. a blade bushing seat; 1032. a paddle; 1041. and (4) stirring teeth.

Detailed Description

To further clarify the objects, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Examples

As shown in fig. 1 to 2, this example provides an environment-friendly silicic acid refining reaction tank. In the present embodiment, the terms "first", "second", and the like are used only for distinguishing the similar components, and are not to be construed as limiting the scope of protection. In the present embodiment, the terms of orientation such as "bottom", "top", "peripheral edge", "center", and the like are explained based on the drawings.

In this embodiment, the environment-friendly silicic acid refining reaction tank mainly comprises four plates: the device comprises a main body structure, a stirring structure, a detection mechanism and a temperature adjusting mechanism;

the first part, the major structure includes that the reaction irritates 1, and sealed lock is fixed at the reaction and is irritated kettle cover 2 on 1, sets up on kettle cover 2, is used for the first inlet pipe 16, second inlet pipe 17 and the third inlet pipe 18 of reactant feeding to and set up the discharge gate 7 in the bottom of reaction irritate 1. And an access door 8 is arranged on the kettle cover 2.

And the second part is that the stirring structure comprises a wall scraping mechanism 11 which is fixed at the center of the top of the kettle cover 2 and extends into the reaction tank 1, and a first stirring mechanism 9 and a second stirring mechanism 10 which are respectively fixed on the kettle cover 2, arranged at two sides of the wall scraping mechanism 11, extend into the reaction tank 1 and have the same structure. Taking the second stirring mechanism 10 as an example, it includes a bearing housing 105 fixed on the kettle cover 2, a stirring motor 101 fixed on the top of the bearing housing 105, a stirring shaft 102 disposed in the bearing housing 105 and extending into the reaction tank 1, a plurality of stirring paddles 103 sleeved on the stirring shaft 102 and disposed in the reaction tank 1, and a stirring head 104 disposed at the bottom of the stirring shaft 102. In the present embodiment, the stirring paddles 103 are uniformly distributed, and include a paddle socket 1031 fixed on the stirring shaft 102, and a plurality of paddles 1032 annularly disposed on the paddle socket 1031. In addition, in the embodiment, a plurality of stirring teeth 1041 are annularly arranged on the lower edge of the stirring head 104. In addition, the wall scraping mechanism 11 comprises a wall scraping motor 111 arranged on the kettle cover 2, a wall scraping shaft 112 connected with the wall scraping motor 111 and extending into the reaction tank 1, and a wall scraping blade 113 connected with the lower part of the wall scraping shaft 112 and in a U shape. In the present embodiment, the rotation trajectory of the wall scraping blade 113 wraps the rotation trajectories of the stirring paddle 103 and the stirring head 104.

And in the third part, the detection mechanism comprises a temperature sensor 14, a transmitter 12, a pressure gauge 15 and an observation window 13, wherein the temperature sensor 14 is arranged on the kettle cover 2 and used for acquiring a temperature signal in the reaction tank 1, the transmitter 12 is fixed on the kettle cover 2, the pressure gauge 15 is arranged on the kettle cover 2 and used for acquiring a pressure value in the reaction tank 1, and the observation window 13 is arranged on the kettle cover 2.

And in the fourth part, the temperature adjusting mechanism comprises a heat dissipation outer layer 3 wrapped on the reaction tank 1, a liquid cavity 4 formed by the outer wall of the reaction tank 1 and the inner wall of the heat dissipation outer layer 3, a liquid inlet pipe 5 arranged at the lower part of the heat dissipation outer layer 3, and a liquid outlet pipe 6 arranged at the upper part of the heat dissipation outer layer 3.

In this example, the sodium silicate solution is fed by means of the third feed line 18, the acid is fed by means of the first feed line 16, and the electrolyte is fed by means of the second feed line 17; after feeding and in the reaction process, stirring operation is carried out by utilizing the wall scraping mechanism 11, the first stirring mechanism 9 and the second stirring mechanism 10; meanwhile, the present embodiment collects the pressure and temperature conditions during the reaction process by using a detection mechanism. In addition, this embodiment enters the liquid of adjusting the retort temperature through feed liquor pipe 5 for liquid that the temperature adjustment, keep is filled up in liquid chamber 4, gathers feedback through temperature sensor, with the retort inside be in the best temperature range of reacting.

The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, but all the modifications made by the principles of the present invention and the non-inventive efforts based on the above-mentioned embodiments shall fall within the scope of the present invention.

Claims

1. An environment-friendly silicic acid refining reaction tank is characterized by comprising a reaction tank (1), a kettle cover (2) which is hermetically fastened and fixed on the reaction tank (1), a first feeding pipe (16), a second feeding pipe (17) and a third feeding pipe (18) which are arranged on the kettle cover (2) and used for feeding reactants, a discharging port (7) which is arranged at the bottom of the reaction tank (1), a wall scraping mechanism (11) which is fixed at the center of the top of the kettle cover (2) and extends into the reaction tank (1), a first stirring mechanism (9) and a second stirring mechanism (10) which are respectively fixed on the kettle cover (2), distributed at two sides of the wall scraping mechanism (11) and extend into the reaction tank (1) and have the same structure, a temperature sensor (14) which is arranged on the kettle cover (2) and used for collecting a temperature signal in the reaction tank (1), and a transmitter (12) which is fixed on the kettle cover (2), a pressure gauge (15) arranged on the kettle cover (2) and used for collecting the pressure value in the reaction tank (1); and the lower rotating track of the wall scraping mechanism (11) wraps the rotating tracks of the first stirring mechanism (9) and the second stirring mechanism (10).

2. The environment-friendly silicic acid refining reaction tank as claimed in claim 1, further comprising a heat dissipation outer layer (3) wrapped on the reaction tank (1), a liquid chamber (4) formed by the outer wall of the reaction tank (1) and the inner wall of the heat dissipation outer layer (3), a liquid inlet pipe (5) disposed at the lower part of the heat dissipation outer layer (3), and a liquid outlet pipe (6) disposed at the upper part of the heat dissipation outer layer (3).

3. The environment-friendly silicic acid refining reaction tank as claimed in claim 1, further comprising an observation window (13) provided on the tank cover (2).

4. The environment-friendly silicic acid refining reaction tank as claimed in claim 1, wherein the second stirring mechanism (10) comprises a bearing sleeve (105) fixed on the kettle cover (2), a stirring motor (101) fixed on the top of the bearing sleeve (105), a stirring shaft (102) arranged in the bearing sleeve (105) and extending into the reaction tank (1), a plurality of stirring paddles (103) fixed on the stirring shaft (102) and arranged in the reaction tank (1), and a stirring head (104) arranged at the bottom of the stirring shaft (102).

5. The environmentally friendly silicic acid refining reaction tank of claim 4, wherein the stirring paddle (103) comprises a paddle socket (1031) fixed on the stirring shaft (102) and a plurality of paddles (1032) annularly arranged on the paddle socket (1031).

6. The environment-friendly silicic acid refining reaction tank as claimed in claim 4, wherein the lower edge of the stirring head (104) is annularly provided with a plurality of stirring teeth (1041).

7. The environment-friendly silicic acid refining reaction tank as claimed in claim 1, wherein the wall scraping mechanism (11) comprises a wall scraping motor (111) arranged on the kettle cover (2), a wall scraping shaft (112) connected with the wall scraping motor (111) and extending into the reaction tank (1), and a wall scraping blade (113) connected with the lower part of the wall scraping shaft (112) and having a U shape.

8. The environment-friendly silicic acid refining reaction tank as claimed in claim 1, wherein the kettle cover (2) is provided with an access door (8).