CN216687525U

CN216687525U - A filling tube for sulfuric acid process preparation titanium white powder

Info

Publication number: CN216687525U
Application number: CN202123451627.3U
Authority: CN
Inventors: 杨俊�; 李小伟
Original assignee: Longbai Xiangyang Titanium Industry Co ltd
Current assignee: Longbai Xiangyang Titanium Industry Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-07
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a feeding pipe for preparing titanium dioxide by a sulfuric acid method, belongs to the technical field of titanium dioxide production, and solves the problems that the feeding pipe is not cooled and radiated by the conventional device, the heat generated by reaction can be accumulated in the feeding pipe, the high-temperature aging of the feeding pipe is caused, the service life of the feeding pipe is shortened, and concentrated sulfuric acid can leak from the feeding pipe; the heat dissipation device comprises a plurality of air inlets arranged on the box body, and fans with air outlet ends facing the feeding pipe are arranged on the air inlets; correspondingly, at least one air outlet is arranged on the box body. The utility model reduces the adverse effect of the heat of reaction on the feeding pipe.

Description

A filling tube for sulfuric acid process preparation titanium white powder

Technical Field

The utility model belongs to the technical field of titanium dioxide production, and particularly relates to a feeding pipe for preparing titanium dioxide by a sulfuric acid method.

Background

At present, adopt the sulfuric acid process to realize the production of titanium white powder usually, at the in-process that uses the sulfuric acid process to carry out titanium white powder production, multichannel process all need use the filling tube to add concentrated sulfuric acid and material to reaction unit and carry out mixing reaction, because concentrated sulfuric acid material property is special, can produce a large amount of heats at the reaction time, do not cool off and the heat dissipation is handled the filling tube usually among the current device, the heat that the reaction produced can gather in the filling tube, cause the high temperature aging of filling tube, reduce the life of filling tube, there is the concentrated sulfuric acid risk of leaking from the filling tube simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a feeding pipe for preparing titanium dioxide by a sulfuric acid method, and aims to solve the problems that the feeding pipe is not cooled and radiated normally in the existing device, heat generated by reaction can be accumulated in the feeding pipe, the high-temperature aging of the feeding pipe is caused, the service life of the feeding pipe is shortened, and concentrated sulfuric acid can be leaked from the feeding pipe.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model relates to a feeding pipe for preparing titanium dioxide by a sulfuric acid method, which comprises a box body and a feeding pipe penetrating through the whole box body, wherein a cooling device and a heat dissipation device acting on the feeding pipe are arranged in the box body; the heat dissipation device comprises a plurality of air inlets arranged on the box body, and fans with air outlet ends facing the charging pipe are arranged on the air inlets; correspondingly, at least one air outlet is arranged on the box body.

The working principle of the technical scheme is as follows:

the staff is connected the filling tube with the reaction unit who adds the material, through the filling tube to adding concentrated sulfuric acid in the reaction unit, the material can produce a large amount of heats with concentrated sulfuric acid reaction time, these heats can be gathering in the filling tube, the staff carries out cooling treatment through adjusting cooling device to the filling tube, the fan is from air intake inspiration air simultaneously to discharge the air from the air outlet, accelerated the velocity of flow of the inside air of box, play the thermolysis to the filling tube.

Compared with the prior art, this technical scheme is through setting up cooling device, and cooling process cools down the filling tube, simultaneously through the cooperation of air intake, fan and air outlet, has accelerated the air flow rate of box inside, plays the radiating effect to the filling tube, makes the heat can not gather in the filling tube, avoids causing the high temperature of filling tube to age, has prolonged the life of filling tube, has reduced the risk that concentrated sulfuric acid leaked from the filling tube simultaneously.

Further, the cooling device comprises a liquid storage tank, a pump connected with the liquid storage tank through a pipeline, and a cooling pipeline connected with the liquid outlet end of the pump, wherein the cooling pipeline is tightly attached to a metal heat-conducting block arranged on the outer wall of the feeding pipe; the one end that the pump was kept away from to the cooling tube is connected with the feed liquor end of condenser, the play liquid end of condenser through return liquid pipe with the liquid reserve tank is connected.

Through the setting to the cooling device structure, the metal heat conduction piece has absorbed the heat back of gathering in the filling tube, utilizes the coolant liquid at liquid reserve tank, cooling tube and condenser inner loop to cool off the metal heat conduction piece that has absorbed the heat to the realization is to the cooling of filling tube.

Furthermore, a mesh enclosure is sleeved outside the fan.

The mesh enclosure is sleeved outside the fan, so that the influence on the normal operation of the fan caused by the fact that external sundries enter the box body is avoided.

Furthermore, an anti-corrosion coating is arranged on the inner wall of the feeding pipe.

The corrosion of concentrated sulfuric acid to the feeding pipe is reduced by arranging the anti-corrosion coating on the inner wall of the feeding pipe.

Further, the feed pipe is made of a heat-resistant and corrosion-resistant material.

Through the setting to the filling tube material, use heat-resisting corrosion-resistant material to make the filling tube, further reduce the influence of the heat that the reaction produced to the filling tube, further reduce the corruption of concentrated sulfuric acid to the filling tube simultaneously.

The beneficial effects of the utility model include:

1. through setting up cooling device, cool down cooling treatment to the filling tube, simultaneously through the cooperation of air intake, fan and air outlet, accelerated the inside air flow rate of box, play the thermolysis to the filling tube, make the heat can not the gathering in the filling tube, avoid causing the high temperature of filling tube to age, prolonged the life of filling tube, reduced the concentrated sulfuric acid simultaneously and followed the risk of leaking in the filling tube.

2. Through the setting to the cooling device structure, the metal heat conduction piece has absorbed the heat back of gathering in the filling tube, utilizes the coolant liquid at liquid reserve tank, cooling tube and condenser inner loop to cool off the metal heat conduction piece that has absorbed the heat to the realization is to the cooling of filling tube.

3. The mesh enclosure is sleeved outside the fan, so that the influence on the normal operation of the fan caused by the fact that external sundries enter the box body is avoided.

4. The corrosion of concentrated sulfuric acid to the feeding pipe is reduced by arranging the anti-corrosion coating on the inner wall of the feeding pipe.

5. Through the setting to the filling tube material, use heat-resisting corrosion-resistant material to make the filling tube, further reduce the influence of the heat that the reaction produced to the filling tube, further reduce the corruption of concentrated sulfuric acid to the filling tube simultaneously.

Drawings

FIG. 1 is a cross-sectional view of a feeding tube for preparing titanium dioxide by a sulfuric acid process.

Description of reference numerals:

1. a cooling device; 2. a box body; 3. a feed tube; 4. a fan; 5. a mesh enclosure; 6. an air inlet; 7. an air outlet; 8. an anti-corrosion coating; 101. a liquid storage tank; 102. a pump; 103. a cooling duct; 104. a metal heat conducting block; 105. a liquid return pipe; 106. a condenser.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of embodiments of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

Referring to the attached drawing 1, the feeding pipe for preparing titanium dioxide by a sulfuric acid method in the embodiment comprises a box body 2 and a feeding pipe 3 penetrating through the whole box body 2, wherein a cooling device 1 and a heat dissipation device acting on the feeding pipe 3 are arranged in the box body 2; the heat dissipation device comprises a plurality of air inlets 6 arranged on the box body 2, and fans 4 with air outlet ends facing the charging pipe 3 are arranged on the air inlets 6; correspondingly, at least one air outlet 7 is arranged on the box body 2.

Specifically, two fans 4 are arranged, are longitudinally arranged and are arranged below the air outlet 7

Compared with the prior art, this embodiment is through setting up cooling device 1, and cooling process cools down to filling tube 3, simultaneously through the cooperation of air intake 6, fan 4 and air outlet 7, has accelerated the air flow rate of 2 inside of box, plays the radiating effect to filling tube 3, makes the heat can not gather in filling tube 3, avoids causing the high temperature of filling tube 3 to age, has prolonged the life of filling tube 3, has reduced the concentrated sulfuric acid simultaneously and has followed the risk of leaking in the filling tube 3.

In this embodiment, the cooling device 1 includes a liquid storage tank 101, a pump 102 connected to the liquid storage tank 101 through a pipeline, and a cooling pipeline 103 connected to a liquid outlet end of the pump 102, wherein the cooling pipeline 103 is tightly attached to a metal heat conducting block 104 disposed on an outer wall of the feed pipe 3; one end of the cooling pipeline 103 far away from the pump 102 is connected with a liquid inlet end of a condenser 106, and a liquid outlet end of the condenser 106 is connected with the liquid storage tank 101 through a liquid return pipe 105.

Through the setting to cooling device 1 structure, metal heat conduction piece 104 has absorbed the heat that gathers in filling tube 3 after, utilizes the coolant liquid at liquid reserve tank 101, cooling tube 103 and condenser 106 inner loop to cool off the metal heat conduction piece 104 that has absorbed the heat to the realization is to the cooling of filling tube 3.

In this embodiment, a mesh enclosure 5 is sleeved outside the fan 4.

Through establishing screen panel 5 at fan 4 outside cover, avoided in getting into box 2 because of external debris, influencing fan 4's normal operating.

In this embodiment, an anti-corrosion coating 8 is disposed on the inner wall of the feeding tube 3.

Specifically, the anti-corrosion coating 8 is an epoxy polyester hybrid coating.

Through set up anticorrosive coating 8 at 3 inner walls of filling tube, reduced the corruption of concentrated sulfuric acid to filling tube 3.

In this embodiment, the feed tube 3 is made of a heat-resistant and corrosion-resistant material.

Specifically, the heat-resistant and corrosion-resistant material is all polytetrafluoroethylene.

Through the setting to the 3 materials of filling tube, use heat-resisting corrosion-resistant material to make filling tube 3, further reduce the influence of the heat that the reaction produced to filling tube 3, further reduce the corruption of concentrated sulfuric acid to filling tube 3 simultaneously.

The working principle is as follows:

the staff connects the feed pipe 3 with the reaction device for adding materials, concentrated sulfuric acid is added into the reaction device through the feed pipe 3, when the materials react with the concentrated sulfuric acid, a large amount of heat can be generated, the heat can be gathered in the feed pipe 3, after the heat gathered in the feed pipe 3 is absorbed through the metal heat-conducting block 104 arranged on the outer wall of the feed pipe 3, the metal heat-conducting block 104 which absorbs the heat is cooled by using cooling liquid circulating in the liquid storage tank 101, the cooling pipeline 103 and the condenser 106, and therefore cooling of the feed pipe 3 is achieved; meanwhile, the fan 4 sucks air from the air inlet 6 and discharges the air from the air outlet 7, so that the flow velocity of the air in the box body 2 is accelerated, and the heat radiation effect on the feeding pipe 3 is achieved; the mesh enclosure 5 arranged outside the fan 4 can prevent the normal operation of the fan 4 from being interfered by foreign matters from the outside; through set up anticorrosive coating 8 on the inner wall at filling tube 3 to will adopt heat-resisting corrosion-resistant material preparation filling tube 3, reduce the influence of the heat that the reaction produced to filling tube 3, reduce the corruption of concentrated sulfuric acid to filling tube 3 simultaneously.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims

1. The feeding pipe for preparing titanium dioxide by a sulfuric acid method is characterized by comprising a box body (2) and a feeding pipe (3) penetrating through the whole box body (2), wherein a cooling device (1) and a heat dissipation device acting on the feeding pipe (3) are arranged in the box body (2); the heat dissipation device comprises a plurality of air inlets (6) arranged on the box body (2), and fans (4) with air outlet ends facing the feeding pipe (3) are arranged on the air inlets (6); correspondingly, at least one air outlet (7) is arranged on the box body (2).

2. The feeding tube for preparing titanium dioxide by a sulfuric acid process according to claim 1, wherein the cooling device (1) comprises a liquid storage tank (101), a pump (102) connected with the liquid storage tank (101) through a pipeline, and a cooling pipeline (103) connected with a liquid outlet end of the pump (102), wherein the cooling pipeline (103) is tightly attached to a metal heat-conducting block (104) arranged on the outer wall of the feeding tube (3); one end of the cooling pipeline (103) far away from the pump (102) is connected with a liquid inlet end of a condenser (106), and a liquid outlet end of the condenser (106) is connected with the liquid storage tank (101) through a liquid return pipe (105).

3. The feeding tube for preparing titanium dioxide by a sulfuric acid process according to claim 1, characterized in that a mesh enclosure (5) is sleeved outside the fan (4).

4. The feeding tube for preparing titanium dioxide by a sulfuric acid process according to claim 1, characterized in that the inner wall of the feeding tube (3) is provided with an anti-corrosion coating (8).

5. A feeding tube for sulfuric acid process to prepare titanium dioxide according to claim 1, characterized in that, the feeding tube (3) is made of heat-resistant and corrosion-resistant material.