CN211753990U

CN211753990U - Heat accumulation type static pressure kettle for preparing sodium silicate

Info

Publication number: CN211753990U
Application number: CN201922354018.2U
Authority: CN
Inventors: 李霆云; 李灵波; 候杰君; 李翔; 姜薇; 雷昌学
Original assignee: Luoyang Qihang Chemical Co ltd
Current assignee: Luoyang Qihang Chemical Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-27
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a heat accumulation type static pressure kettle for preparing sodium silicate, which comprises a kettle body, wherein the lower part of the kettle body is fixedly connected with a heat exchanger through a support, the center of the upper end surface of the kettle body is communicated with a feed inlet, the bottom end of the kettle body is communicated with a discharge pipe, the lower part of an inner cavity of the kettle body is provided with a pore plate for supporting materials, the outer wall of the kettle body is vertically provided with a steam pipe, one end of the steam pipe penetrates through the outer wall of the kettle body and horizontally extends into the lower part of the pore plate, and the horizontal section of the steam pipe extending into the kettle body is communicated with a plurality of air inlet; and a steam discharge port on the upper end surface of the kettle body is communicated with a tube pass inlet of the heat exchanger through a first pipeline. The utility model collects the exhaust heat source and accumulates the heated water, and the water is added into the kettle body as the water for dissolving water glass next time, thereby effectively utilizing the steam heat energy, reducing the energy consumption and achieving the effects of energy conservation and emission reduction; the air inlet structure is optimally designed, the molten materials are reduced from entering the steam pipe, and the problem of blockage is avoided.

Description

Heat accumulation type static pressure kettle for preparing sodium silicate

Technical Field

The utility model relates to a soda production technical field specifically is a heat accumulation type static pressure cauldron is used in soda preparation.

Background

Water glass is one of the main raw materials for producing precipitated silica. Because the water glass dissolved by the static pressure kettle has good transparency and low steam consumption, the blocky solid water glass produced by the water glass kiln is dissolved into liquid water glass by the static pressure kettle through adding water and adding steam for pressure maintaining, and the liquid water glass is used for a reaction working section. After the static pressure cauldron material, in order to filter and subside in transferring the liquid material that solution formed to other equipment, need not directly discharge the high-temperature steam that does not exhaust in the static pressure cauldron to the atmosphere from the static pressure cauldron, because high-temperature high-pressure steam contains higher heat, the thermal loss of static pressure cauldron has been caused, the power consumption is higher, be unfavorable for the environmental protection, steam intake pipe end is in leading to the back of accomplishing steam in addition, liquid water glass can get into in the steam intake pipe, cause the pipeline to block up after solidifying easily, influence follow-up use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the existing defects and providing a heat storage type static pressure kettle for preparing sodium silicate, which effectively utilizes steam heat energy, reduces energy consumption and achieves the effects of energy conservation and emission reduction; the air inlet structure is optimally designed, the phenomenon that molten materials enter a steam pipe is reduced, the blockage problem is avoided, and the problem in the background technology can be effectively solved.

In order to achieve the above object, the utility model provides a following technical scheme: a heat storage type static pressure kettle for preparing sodium silicate comprises a kettle body, wherein the lower part of the kettle body is fixedly connected with a heat exchanger through a support, the center of the upper end surface of the kettle body is communicated with a feed inlet, the bottom end of the kettle body is communicated with a discharge pipe, the lower part of an inner cavity of the kettle body is provided with a pore plate for supporting materials, the outer wall of the kettle body is vertically provided with a steam pipe, one end of the steam pipe penetrates through the outer wall of the kettle body and horizontally extends into the lower part of the pore plate, and the horizontal section of the steam pipe extending into the kettle body is communicated with a plurality of air inlet structures towards the pore plate; a steam discharge port on the upper end surface of the kettle body is communicated with a tube pass inlet of the heat exchanger through a first pipeline, and a tube pass outlet of the heat exchanger is communicated with an exhaust pipe; the shell pass import of heat exchanger passes through the external normal atmospheric temperature water source of inlet tube, and the shell pass export of heat exchanger communicates with the one end of pipeline two, and the other end of pipeline two runs through cauldron external wall and level and stretches into cauldron internal chamber upper portion, and stretches into the internal second horizontal segment of pipeline of cauldron and be equipped with a plurality of shower nozzles.

Preferably, the air inlet structure comprises a straight pipe, a through hole is formed in the outer wall of the straight pipe, an end cap is in threaded connection with the upper end of the straight pipe, and the lower end of the end cap is connected with a barrel shell which is located in the straight pipe and used for sealing the through hole through a spring.

Preferably, the outer wall of the barrel shell is in transition fit with the inner wall of the straight pipe.

Preferably, the upper end surface of the end cap is in a convex arc shape.

Preferably, the outer wall middle part of the cauldron body is equipped with the manhole, and the outer wall of the cauldron body corresponds the below of manhole and is equipped with the sample connection.

Preferably, the upper end surface of the kettle body is communicated with a pressure gauge.

Compared with the prior art, the beneficial effects of the utility model are that: according to the heat storage type static pressure kettle for preparing the sodium silicate, the heat exchanger is arranged at the lower part of the kettle body, after the material melting is finished, high-temperature high-pressure steam discharged from the kettle body enters the heat exchanger through the first pipeline, the high-temperature high-pressure steam exchanges heat with normal-temperature water in the heat exchanger, and the normal-temperature water is heated and used as water for dissolving water glass next time and added into the kettle body, so that the steam heat energy can be effectively utilized, the energy consumption is reduced, and the effects of energy conservation and emission reduction are achieved; in addition, through the arrangement of the air inlet structure, when high-temperature and high-pressure steam is introduced into the kettle body, the steam acts on the barrel shell and pushes the barrel shell to move upwards, the spring is compressed, the through hole is opened, the steam enters the kettle body to heat materials, when the high-temperature and high-pressure steam is closed, the spring resets, the through hole is closed, the molten materials are reduced, and the problem of blockage is avoided.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention.

In the figure: the device comprises a kettle body 1, a pressure gauge 101, a manhole 102, a sampling port 103, a discharge pipe 2, a heat exchanger 3, a second pipeline 4, a gas inlet structure 5, an end cap 501, a straight pipe 502, a through hole 503, a spring 504, a barrel shell 505, a steam pipe 6, a spray head 7, a feed inlet 8, a first pipeline 9 and a hole plate 10.

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 present invention provides a technical solution: a heat accumulation type static pressure kettle for preparing sodium silicate comprises a kettle body 1, wherein the upper end surface of the kettle body 1 is communicated with a pressure gauge 101, so that the pressure in the kettle body 1 can be conveniently checked, a manhole 102 is arranged in the middle of the outer wall of the kettle body 1, the kettle body 1 can be conveniently opened and entered during later maintenance, the interior of the kettle body 1 can be cleaned, a sampling port 103 is arranged below the outer wall of the kettle body 1 corresponding to the manhole 102 and used for sampling detection, a heat exchanger 3 is fixedly connected to the lower part of the kettle body 1 through a support, a feed inlet 8 is communicated with the center of the upper end surface of the kettle body 1, a cover plate at the feed inlet 8 is opened, blocky solid water glass is added into the kettle body 1 through the feed inlet 8, a discharge pipe 2 is communicated with the bottom end of the kettle body 1, a valve is arranged on the discharge pipe 2 and used for discharging liquid water glass, a pore plate 10 used for supporting, a steam pipe 6 is vertically arranged on the outer wall of the kettle body 1, one end of the steam pipe 6 penetrates through the outer wall of the kettle body 1 and horizontally extends below the pore plate 10, and the horizontal section of the steam pipe 6 extending into the kettle body 1 is communicated with a plurality of air inlet structures 5 towards the pore plate 10;

the air inlet structure 5 comprises a straight pipe 502, a through hole 503 is formed in the outer wall of the straight pipe 502, an end cap 501 is connected to the upper end of the straight pipe 502 in a threaded mode, the upper end face of the end cap 501 is in a protruding arc shape, the lower end of the end cap 501 is connected with a barrel shell 505 which is located in the straight pipe 502 and used for sealing the through hole 503 through a spring 504, the outer wall of the barrel shell 505 is in transition fit with the inner wall of the straight pipe 502, the barrel shell 505 can play a sealing role in the sliding process of the straight pipe 502, when high-temperature and high-pressure steam is introduced into the kettle body 1, the steam acts on the barrel shell 505 and pushes the barrel shell 505 to move upwards, the spring 504 is compressed, the through hole 503 is opened, the steam enters the kettle body 1 to heat blocky solid water glass, when the high-temperature and high;

a steam discharge port on the upper end surface of the kettle body 1 is communicated with a tube side inlet of the heat exchanger 3 through a first pipeline 9, a valve is arranged on the first pipeline 9, and a tube side outlet of the heat exchanger 3 is communicated with an exhaust pipe; the shell side inlet of the heat exchanger 3 is externally connected with a normal temperature water source through a water inlet pipe, the shell side outlet of the heat exchanger 3 is communicated with one end of a pipeline II 4, equipment such as a valve, a water pump and the like are arranged on the pipeline II 4, the other end of the pipeline II 4 penetrates through the outer wall of the kettle body 1 and horizontally extends into the upper part of the inner cavity of the kettle body 1, a plurality of spray heads 7 are arranged at the horizontal section of the pipeline II 4 extending into the kettle body 1, the plurality of spray heads 7 can be arranged around the inner wall of the kettle body 1, the spray heads are prevented from being collided during blanking, the interior of the kettle body 1 can be cleaned by spraying water through the spray heads during later use, after the material melting is finished, high-temperature high-pressure steam discharged from the kettle body 1 enters the heat exchanger 3 through a pipeline I9, the high-temperature high-pressure steam exchanges heat with normal temperature water in the heat exchanger 3, the normal temperature water is, the heat exchanger 3 is a common device in the prior art and is not described in detail herein.

The working principle is as follows: when the device is used, a cover plate at the position of a feed port 8 is opened, blocky solid water glass is added into the kettle body 1, the blocky solid water glass is accumulated on the pore plate 10, then a proper amount of water is added into the kettle body 1 through a pipeline two 4, then the cover plate at the position of the feed port 8 is closed, high-temperature high-pressure steam is introduced into the air inlet structure 5 through the steam pipe 6, at the moment, the steam acts on the barrel shell 505 and pushes the barrel shell 505 to move upwards, the spring 504 is compressed, the through hole 503 is opened, the high-temperature high-pressure steam enters the kettle body 1 and heats the blocky solid water glass on the pore plate 10, the high-temperature high-pressure steam is continuously introduced and maintains pressure, the high-temperature high-pressure steam is stopped being introduced after a period of time, the spring 504 is reset, the through hole 503 is closed, after the material melting is finished, a valve on a pipeline one 9 is opened, the high, the water which is used for dissolving the water glass next time is heated by the normal temperature water and added into the kettle body 1, and then a valve on the discharge pipe 2 is opened to discharge the liquid water glass.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a preparation of sodium silicate is with heat accumulation type static pressure cauldron, includes the cauldron body (1), its characterized in that: the heat exchanger (3) is fixedly connected to the lower portion of the kettle body (1) through a support, a feed inlet (8) is communicated with the center of the upper end face of the kettle body (1), a discharge pipe (2) is communicated with the bottom end of the kettle body (1), a pore plate (10) used for supporting materials is arranged on the lower portion of an inner cavity of the kettle body (1), a steam pipe (6) is vertically arranged on the outer wall of the kettle body (1), one end of the steam pipe (6) penetrates through the outer wall of the kettle body (1) and horizontally extends into the lower portion of the pore plate (10), and the horizontal section of the steam pipe (6) extending into the kettle body (1) is communicated with a plurality of air inlet structures (5) towards the pore plate (10); a steam discharge port on the upper end surface of the kettle body (1) is communicated with a tube side inlet of the heat exchanger (3) through a first pipeline (9), and a tube side outlet of the heat exchanger (3) is communicated with an exhaust pipe; the shell side import of heat exchanger (3) is through the external normal temperature water source of inlet tube, and the shell side export of heat exchanger (3) communicates with the one end of pipeline two (4), and the other end of pipeline two (4) runs through cauldron body (1) outer wall and level and stretches into cauldron body (1) inner chamber upper portion, and stretches into pipeline two (4) horizontal segment in the cauldron body (1) and be equipped with a plurality of shower nozzles (7).

2. The heat storage type static pressure kettle for preparing sodium silicate according to claim 1, which is characterized in that: air inlet structure (5) are equipped with through-hole (503) including straight tube (502), the outer wall of straight tube (502), and the upper end threaded connection of straight tube (502) has end cap (501), and the lower extreme of end cap (501) is connected with through spring (504) and is located straight tube (502) and be used for sealed bucket shell (505) through-hole (503).

3. The heat storage type static pressure kettle for preparing sodium silicate according to claim 2, which is characterized in that: the outer wall of the barrel shell (505) is in transition fit with the inner wall of the straight pipe (502).

4. The heat storage type static pressure kettle for preparing sodium silicate according to claim 2, which is characterized in that: the upper end face of the end cap (501) is in a convex arc shape.

5. The heat storage type static pressure kettle for preparing sodium silicate according to claim 1, which is characterized in that: the outer wall middle part of the cauldron body (1) is equipped with manhole (102), and the outer wall of the cauldron body (1) corresponds the below of manhole (102) and is equipped with sample connection (103).

6. The heat storage type static pressure kettle for preparing sodium silicate according to claim 1, which is characterized in that: the upper end surface of the kettle body (1) is communicated with a pressure gauge (101).