CN219428825U

CN219428825U - Chemical industry feed tank heating device

Info

Publication number: CN219428825U
Application number: CN202223417403.5U
Authority: CN
Inventors: 朱可丽; 许园园
Original assignee: Shengdahe Shanghai Technology Co ltd
Current assignee: Shengdahe Shanghai Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-28
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a chemical raw material tank heating device which comprises a storage tank, wherein the top of the storage tank is provided with a feed inlet, a sealing cover is arranged on the feed inlet, the bottom of the storage tank is provided with a discharge pipe in a penetrating manner, the discharge pipe is provided with a discharge valve, the outer wall of the storage tank is fixedly sleeved with a casing, the outer wall of the casing is fixedly connected with a plurality of supporting legs, a heat exchange medium is injected into the casing, and the inner bottom end of the casing is provided with an electric heating pipe; according to the utility model, the electric heating pipe is started to heat the heat exchange medium in the shell, and after the heat exchange medium is heated, the storage tank is heated uniformly, so that the chemical raw materials in the storage tank are heated, and the local overheating of the storage tank can be avoided due to the large contact area between the heat exchange medium and the storage tank, so that the internal chemical raw materials are heated more uniformly, and the heating device for connecting a pipeline and the heat exchange medium is not needed, so that the use is more convenient.

Description

Chemical industry feed tank heating device

Technical Field

The utility model relates to chemical equipment, in particular to a chemical raw material tank heating device.

Background

The liquid chemical raw materials are usually stored by adopting a storage tank, and some storage tanks have the functions of heating and heat preservation so as to maintain the temperature inside the storage tank and ensure the stability of the stored chemical raw materials.

The existing common storage tank heating modes mainly comprise direct heating and indirect heating, wherein most of the direct heating modes adopt an electric heating rod inserted into the storage tank to directly heat the chemical raw materials, and electric heating wires and the like are adopted to directly heat the storage tank, so that the heating efficiency is high, but the chemical raw materials near the electric heating rod or the electric heating wire are easy to react due to overhigh temperature; the indirect heating type is mainly characterized in that a coil is arranged outside the storage tank, other mediums such as steam and hot water are circularly input into the coil to heat the storage tank, the problem that the temperature of local chemical raw materials is too high can be effectively avoided, but a medium conveying pipeline, a steam generator, a water heater and the like are additionally arranged, and the cost is high.

Disclosure of Invention

The utility model aims to provide a chemical raw material tank heating device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a chemical industry head tank heating device, includes the storage tank, the top of storage tank is provided with the feed inlet, install sealed lid on the feed inlet, the bottom of storage tank runs through and is provided with the discharging pipe, and installs the bleeder valve on the discharging pipe, the outer wall of storage tank is fixed to be cup jointed the cover shell, the outer wall fixedly connected with of cover shell a plurality of landing legs, the intussuseption of cover shell has heat transfer medium, the inside bottom of cover shell is provided with electric heating pipe, the outer wall fixedly connected with of cover shell a plurality of landing legs, the outer wall of discharging pipe is around being equipped with the companion area that is spiral distribution, the outer wall cladding of storage tank and cover shell has first heat preservation jointly, the outer wall cladding of discharging pipe has the second heat preservation.

As a further scheme of the utility model: the top of the shell is provided with a guide pipe in a penetrating mode, and the top end of the guide pipe is provided with a pressure relief valve.

As a further scheme of the utility model: the top of the outer wall of the storage tank and the top of the outer wall of the shell are provided with air compensating valves in a penetrating mode, and air filters are installed at air inlets of the air compensating valves.

As a further scheme of the utility model: the discharging pipe is provided with a first temperature transmitter, the heat tracing belt is positioned between the discharging valve and the first temperature transmitter, and the storage tank is provided with a second temperature transmitter in a penetrating mode.

As a further scheme of the utility model: the top of storage tank rotates wears to be equipped with the agitator, the top fixed mounting of storage tank has the motor, the output shaft and the agitator fixed connection of motor.

As a further scheme of the utility model: the outer wall top of cover shell is run through and is provided with the water injection pipe, first blanking cap is installed to the tip of water injection pipe, the bottom outer wall of cover shell runs through and is provided with the drain pipe, the second bottom is installed to the tip of drain pipe.

As still further aspects of the utility model: the shell comprises a lower sleeve, an upper sleeve and a plurality of round pipes, wherein the lower sleeve, the round pipes and the upper sleeve are sleeved outside the storage tank, the lower sleeve, the round pipes and the upper sleeve are welded and fixed once, the lower sleeve and the upper sleeve are welded and fixed with the outer wall of the storage tank, a plurality of fixing blocks are welded and fixed on the inner wall of the top opening of the lower sleeve and the inner wall of the top opening of the round pipes, and the fixing blocks are welded and fixed with the outer wall of the storage tank.

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

1. according to the utility model, the electric heating pipe is started to heat the heat exchange medium in the shell, and after the heat exchange medium is heated, the storage tank is heated uniformly, so that the chemical raw materials in the storage tank are heated, and the local overheating of the storage tank can be avoided due to the large contact area between the heat exchange medium and the storage tank, so that the internal chemical raw materials are heated more uniformly, and the heating device for connecting a pipeline and the heat exchange medium is not needed, so that the use is more convenient.

2. According to the utility model, through the arrangement of the heat tracing belt, when chemical raw materials in the storage tank are led out through the discharge pipe, the heat tracing belt can be started to exit the material pipe for preheating, so that the temperature of the chemical raw materials is prevented from being reduced when the chemical raw materials pass through the discharge pipe.

Drawings

Fig. 1 is a schematic structural view of a chemical raw material tank heating device.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a partial enlarged view of fig. 1.

The storage tank 1, a shell 2, a lower sleeve 3, a round tube 4, an upper sleeve 5, a fixed block 6, a supporting leg 7, an electric heating tube 8, a water injection tube 9, a first blanking cover 10, a guide tube 11, a pressure relief valve 12, a drain pipe 13, a second bottom cover 14, a gas supplementing valve 15, an air filter 16, a feed inlet 17, a sealing cover 18, a discharge pipe 19, a discharge valve 20, a heat tracing belt 21, a first heat preservation layer 22, a second heat preservation layer 23, a first temperature transmitter 24, a second temperature transmitter 25, a motor 26 and a stirrer 27.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the present utility model, a chemical raw material tank heating device includes a storage tank 1, a feed inlet 17 is provided at the top of the storage tank 1, a sealing cover 18 is installed on the feed inlet 17, a discharge pipe 19 is provided at the bottom of the storage tank 1 in a penetrating manner, a discharge valve 20 is installed on the discharge pipe 19, a jacket 2 is fixedly sleeved on the outer wall of the storage tank 1, a plurality of support legs 7 are fixedly connected to the outer wall of the jacket 2, a heat exchange medium is injected into the jacket 2, an electric heating pipe 8 is provided at the inner bottom end of the jacket 2, an electric connection end of the electric heating pipe 8 penetrates through the jacket 2, the electric heating pipe 8 is in sealing connection with the jacket, a plurality of support legs 7 are fixedly connected to the outer wall of the jacket 2, a first heat insulation layer 22 is jointly coated on the outer walls of the storage tanks 1 and 2, and a second heat insulation layer 23 is coated on the outer walls of the jacket 19.

According to the scheme, when the liquid chemical raw material heating device is used, after the liquid chemical raw material is injected into the storage tank 1 through the feed inlet 17, the electric heating pipe 8 is started to heat the heat exchange medium in the shell 2, and after the heat exchange medium is heated, the storage tank 1 is heated uniformly, so that the chemical raw material in the storage tank is heated, and the contact area between the heat exchange medium and the storage tank 1 is large, so that the situation that the storage tank 1 is locally overheated can be avoided, the internal chemical raw material is heated more uniformly, and heating equipment externally connected with a pipeline and the heat exchange medium is not needed, so that the use is more convenient.

In addition, by the arrangement of the heat tracing band 21, when the chemical raw material in the storage tank 1 is led out through the discharge pipe 19, the chemical raw material can be preheated by starting the heat tracing band 21 to exit the discharge pipe 19, so that the temperature of the chemical raw material is prevented from being reduced when the chemical raw material passes through the discharge pipe 19.

Through the setting of first heat preservation 22 and second heat preservation 23, can play good heat preservation effect to storage tank 1, cover shell 2 and discharging pipe 19 to slow down the heat loss.

With specific reference to fig. 1 and 2, in one embodiment of the present utility model, a conduit 11 is disposed through the top of the casing 2, and a pressure release valve 12 is mounted at the top of the conduit 11, so that when the pressure in the casing 2 exceeds a set value due to evaporation of the heat exchange medium in the casing 2 caused by temperature rise through the arrangement of the conduit 11, the surplus gas in the casing 2 is released, so that the inside of the casing 2 is always in a safe pressure range.

With specific reference to fig. 1, in one embodiment of the present utility model, the top parts of the outer walls of the storage tank 1 and the casing 2 are respectively provided with an air compensating valve 15 (the air compensating valve 15 on the storage tank 1 is not shown), an air filter 16 is installed at an air inlet of the air compensating valve 15 on the casing, the air compensating valve 15 on the casing can introduce external air into the casing 2 when negative pressure occurs in the casing 2, and the air compensating valve 15 on the storage tank 1 can supplement external air into the storage tank 1 when chemical raw materials are output through the discharging pipe 19 so as to avoid the negative pressure state occurring in the storage tank 1.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a first temperature transmitter 24 is installed on the discharging pipe 19, the heat tracing band 21 is located between the discharging valve 20 and the first temperature transmitter 24, a second temperature transmitter 25 is disposed on the storage tank 1 in a penetrating manner, and the temperature of the chemical raw materials in the storage tank 1 and the temperature of the chemical raw materials output through the discharging pipe 19 are monitored by the arrangement of the first temperature transmitter 24 and the second temperature transmitter 25, so that the power of the electric heating pipe 8 and the heat tracing band 21 is adjusted in time, and the chemical raw materials are always in a required temperature range.

Referring specifically to fig. 1, in one embodiment of the present utility model, a stirrer 27 is rotatably disposed on the top of the storage tank 1, a motor 26 is fixedly installed on the top of the storage tank 1, and an output shaft of the motor 26 is fixedly connected with the stirrer 27; through the setting of motor 26 and agitator 27, can start motor 26 drive agitator 27 and rotate to stir the industrial chemicals in the storage tank 1, with the in-process of heating heat preservation to industrial chemicals, make industrial chemicals's being heated more even.

With specific reference to fig. 1, in one embodiment of the present utility model, a water injection pipe 9 is disposed through the top of the outer wall of the casing 2, a first blocking cover 10 is installed at the end of the water injection pipe 9, a drain pipe 13 is disposed through the bottom outer wall of the casing 2, a second bottom cover 14 is installed at the end of the drain pipe 13, and the heat exchange medium, preferably distilled water, is convenient to replace by the arrangement of the water injection pipe 9 and the drain pipe 13, so as to avoid scale on the inner wall of the casing 2 and the outer wall of the electric heating pipe 8 due to long-term heating.

Specifically referring to fig. 1, in one embodiment of the present utility model, the casing 2 includes a lower sleeve 3, an upper sleeve 5, and a plurality of round tubes 4 sleeved outside the storage tank 1, the lower sleeve 3, the round tubes 4, and the upper sleeve 5 are welded and fixed once, the lower sleeve 3 and the upper sleeve 5 are welded and fixed with the outer wall of the storage tank 1, and a plurality of fixing blocks 6 are welded and fixed on the inner walls of the top openings of the lower sleeve 3 and the round tubes 4, and the fixing blocks 6 are welded and fixed with the outer wall of the storage tank 1, so that the casing 2 formed by welding the lower sleeve 3, the upper sleeve 5, and the plurality of round tubes 4 is convenient for production and processing, and is easy to be welded and assembled with the storage tank 1, and by setting the plurality of fixing blocks 6, the connection strength between the casing 2 and the storage tank 1 can be improved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A chemical raw material tank heating device which is characterized in that: including storage tank (1), the top of storage tank (1) is provided with feed inlet (17), install sealed lid (18) on feed inlet (17), the bottom of storage tank (1) runs through and is provided with discharging pipe (19), and installs bleeder valve (20) on discharging pipe (19), the outer wall of storage tank (1) is fixed to be cup jointed cover shell (2), the outer wall fixedly connected with of cover shell (2) has a plurality of landing legs (7), pour into in cover shell (2) and have heat transfer medium, the inside bottom of cover shell (2) is provided with electric heating pipe (8), the outer wall of discharging pipe (19) is around being equipped with companion area (21) that are spiral distribution, the outer wall cladding of storage tank (1) and cover shell (2) has first heat preservation (22) jointly, the outer wall cladding of discharging pipe (19) has second heat preservation (23).

2. A chemical raw material tank heating device according to claim 1, wherein: the top of cover shell (2) runs through and is provided with pipe (11), relief valve (12) are installed on the top of pipe (11).

3. A chemical raw material tank heating device according to claim 1, wherein: the top of the outer walls of the storage tank (1) and the casing (2) are respectively provided with a gas supplementing valve (15) in a penetrating mode, and an air filter (16) is installed at the air inlet of the gas supplementing valve (15).

4. A chemical raw material tank heating device according to claim 1, wherein: install first temperature transmitter (24) on discharging pipe (19), companion area (21) are located between bleeder valve (20) and first temperature transmitter (24), run through on storage tank (1) and be provided with second temperature transmitter (25).

5. A chemical raw material tank heating device according to claim 1, wherein: the top of storage tank (1) rotates wears to be equipped with agitator (27), the top fixed mounting of storage tank (1) has motor (26), the output shaft and the agitator (27) fixed connection of motor (26).

6. A chemical raw material tank heating device according to claim 1, wherein: the water injection pipe (9) is arranged at the top of the outer wall of the casing (2) in a penetrating mode, a first blanking cover (10) is installed at the end portion of the water injection pipe (9), a drain pipe (13) is arranged at the bottom outer wall of the casing (2) in a penetrating mode, and a second bottom cover (14) is installed at the end portion of the drain pipe (13).

7. A chemical raw material tank heating device according to claim 1, wherein: the utility model discloses a storage tank, including cover shell (2), sleeve (3) are gone up in sleeve (5) and a plurality of pipe (4) including the cover and establish outer sleeve (3) of storage tank (1), sleeve (4) are gone up to sleeve (5) one time welded fastening down, sleeve (3) down, sleeve (5) all with the outer wall welded fastening of storage tank (1), and sleeve (3) down, the equal welded fastening of top opening part inner wall of pipe (4) have a plurality of fixed blocks (6), fixed block (6) all with the outer wall welded fastening of storage tank (1).