CN112891983A

CN112891983A - Waste heat recovery device of titanium white powder

Info

Publication number: CN112891983A
Application number: CN202110054436.9A
Authority: CN
Inventors: 孟德斌; 邓文亮; 凡晓峰; 张正坦; 张明祥
Original assignee: Anhui Jinlong Machinery Co ltd
Current assignee: Anhui Jinlong Machinery Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-06-04

Abstract

The invention discloses a waste heat recovery device of titanium dioxide, which comprises a crystallization box, wherein the outer end of the crystallization box is fixedly connected with a steam guide pipe, the other end of the steam guide pipe is fixedly connected with a communicating column, the communicating column is fixedly connected with the outer end of the crystallization box, the top end of the communicating column is fixedly connected with an exhaust pipe, the top end of the exhaust pipe is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a filter pump, the bottom end of the filter pump is fixedly connected with a branch pipe, one end of the branch pipe is fixedly connected with an air inlet pipe, one end of the air inlet pipe is fixedly connected with a conducting pipe, the conducting pipe is of a multi-section S-shaped structure through the arranged conducting pipe, the heat generated during crystallization is convenient to be transmitted in the inner cavity of the crystallization box in a circling manner, the transmitted heat can repeatedly heat, therefore, waste of waste heat resources is reduced, and the gas is transmitted out for treatment after heat is utilized.

Description

Waste heat recovery device of titanium white powder

Technical Field

The invention relates to the technical field of waste heat recovery devices, in particular to a waste heat recovery device for titanium dioxide.

Background

At present, the production process of the global titanium dioxide product is still dominated by a sulfuric acid method, about 42.5 percent of the titanium dioxide capacity is generated in the world by adopting a chlorination method process, 84 percent of the capacity is generated in China by using a sulfuric acid method, only a few enterprises have the production capacity of the chlorination method titanium dioxide due to the influence of the technical barrier of the chlorination method in China, and China is used as the largest titanium dioxide producing country and does not completely master the chlorination method titanium dioxide technology, so the sulfuric acid method titanium dioxide process is still dominated at present, and sulfuric acid method manufacturers actively adopt a new process, new equipment for reducing consumption and improving efficiency, and environment-friendly standard improvement.

However, waste heat generated in the modern titanium dioxide crystallization production process is usually directly discharged after being treated, and gas heat generated during crystallization is high, so that waste of thermal resources is caused by direct discharge, and the resource utilization rate in the production process is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the waste heat recovery device for titanium dioxide, which can recycle waste heat generated during crystallization, and enhances the crystallization efficiency of the titanium dioxide while increasing the utilization rate of waste heat resources.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a waste heat recovery device of titanium white powder, includes the crystallization case, the outer end fixedly connected with steam guide of crystallization case, steam guide's other end fixedly connected with intercommunication post, intercommunication post fixed connection in the outer end of crystallization case, just the top fixedly connected with blast pipe of intercommunication post, the top fixedly connected with connecting pipe of blast pipe, the other end fixedly connected with strainer pump of connecting pipe, the bottom fixedly connected with branch pipe of strainer pump, the one end fixedly connected with intake pipe of branch pipe, the other end fixed connection of intake pipe in the outer end of intercommunication post, just the one end fixedly connected with conduction pipe of intake pipe, the conduction pipe encircle in the inner wall of crystallization case, just the other end fixedly connected with outlet duct of conduction pipe, outlet duct fixed connection in the outer end of crystallization case.

As a preferable technical scheme of the invention, one side of the crystallization box is fixedly connected with a circulation inlet, and the other side of the crystallization box is fixedly connected with a circulation outlet.

As a preferable technical scheme of the invention, the outer end of the circulating outlet is fixedly connected with a liquid discharge pipe, the other end of the liquid discharge pipe is fixedly connected with an extension conduit, and the other end of the extension conduit is fixedly connected with a PH adjusting box.

As a preferred technical scheme, the inner cavity of the communication column is fixedly connected with two filter cottons, the inner cavity of the communication column is fixedly connected with two partition plates, two partition plates are arranged, a filter element is clamped between the two partition plates, and the outer end of the communication column is hinged with a box door.

As a preferred technical scheme of the present invention, an outer end of the air outlet pipe is fixedly connected with a first air pipe, the other end of the first air pipe is fixedly connected with an air pump, one end of the air pump is fixedly connected with a second air pipe, and the other end of the second air pipe is fixedly connected to an outer end of the PH adjusting box.

As a preferable technical proposal of the invention, the outer end of the extension conduit is connected with a liquid flow valve by screw thread, and the outer end of the PH adjusting box is fixedly connected with a liquid level meter,

as a preferred technical solution of the present invention, a fixing shell is fixedly connected to the top end of the PH adjusting box, a measuring instrument is fixedly connected to the inner cavity of the fixing shell, one end of the measuring instrument is electrically connected to a display screen, the display screen is fixedly connected to the inner cavity of the fixing shell, a measuring meter is fixedly connected to the bottom end of the measuring instrument, the measuring meter is arranged in the inner cavity of the PH adjusting box, and the outer end of the PH adjusting box is fixedly connected to a sewage pipe.

According to a preferable technical scheme of the invention, a crystallization outlet is fixedly connected to the bottom end of the crystallization box, a connection plate is fixedly connected to an inner cavity of the crystallization box, a rotating motor is fixedly connected to the bottom end of the connection plate, a rotating shaft is rotatably connected to the outer end of the rotating motor, a rotating plate is fixedly connected to the other end of the rotating shaft, and a stirring blade is fixedly connected to the bottom end of the rotating plate.

As a preferable technical scheme of the invention, the number of the stirring blades is four, the four stirring blades are arranged at the bottom end of the rotating plate in a cross shape, and the bottom ends of the stirring blades are disc-shaped.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. through the conduction pipe that sets up, the conduction pipe is the S-shaped structure of multistage, is convenient for encircle the transmission in the inner chamber of crystallization case with the heat that produces when crystallizing, and the heat of transmission carries out the reheat to the titanium white powder liquid of semi-crystalline state to accelerate the crystallization rate of titanium white powder, the conduction pipe has strengthened thermal recovery reuse rate, thereby reduces the waste of used heat resource, handles gaseous transmission again after utilizing the heat.

2. Through the measuring apparatu that sets up, the measuring apparatu can be measured the PH numerical value of the exhaust gas solution after handling, and the PH value after the measurement shows through the display screen, and the operating personnel of being convenient for detects the improvement condition of waste gas, and through the filter pulp and the filter core that set up, double-deck filter pulp can carry out preliminary treatment to the harmful substance in the waste gas, and the gaseous rethread filter core after the processing carries out retreatment to reduce the pollution that waste gas caused the environment.

3. Through the stirring leaf that sets up, the stirring leaf can stir the titanium white powder of semi-crystalline state easily, and the heat of waste gas of deuterogamying heats the titanium white powder easily to improve the clean speed of titanium white powder, through the liquid flow valve that sets up, the velocity of flow of cooling water can be controlled to the liquid flow valve, can dilute the waste water that produces simultaneously, and the cooling water also can wash the PH regulating box, has strengthened the utilization ratio of water resource.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the crystallization tank and the conduction pipe according to the present invention;

FIG. 3 is a schematic view of the internal structure of the filtration pump of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 5 is a schematic view showing the internal structure of the pH adjusting tank according to the present invention;

FIG. 6 is a schematic view showing the internal structure of the crystallization tank of the present invention.

Wherein: 1. a crystallization box; 2. a steam guide pipe; 3. a communication column; 4. an exhaust pipe; 5. a connecting pipe; 6. a filter pump; 7. a branch pipe; 8. an air inlet pipe; 9. a conducting tube; 10. an air outlet pipe; 11. a circulation inlet; 12. a recycle outlet; 13. a liquid discharge pipe; 14. extending the catheter; 15. a PH adjusting box; 16. filtering cotton; 17. a partition plate; 18. a filter element; 19. a box door; 20. a first air pipe; 21. an air pump; 22. a second air pipe; 23. a fluid flow valve; 24. a liquid level meter; 25. a stationary case; 26. a measuring instrument; 27. a display screen; 28. measuring a meter; 29. a sewage pipe; 30. a crystallization outlet; 31. a connector tile; 32. a rotating electric machine; 33. a rotating shaft; 34. a rotating plate; 35. stirring the leaves.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

referring to fig. 1-6, the invention provides a waste heat recovery device for titanium dioxide, comprising a crystallization box 1, wherein the outer end of the crystallization box 1 is fixedly connected with a steam guide pipe 2, the other end of the steam guide pipe 2 is fixedly connected with a communication column 3, the communication column 3 is fixedly connected with the outer end of the crystallization box 1, and the top end of the communicating column 3 is fixedly connected with an exhaust pipe 4, the top end of the exhaust pipe 4 is fixedly connected with a connecting pipe 5, the other end of the connecting pipe 5 is fixedly connected with a filter pump 6, the bottom end of the filter pump 6 is fixedly connected with a branch pipe 7, one end of the branch pipe 7 is fixedly connected with an air inlet pipe 8, the other end of the air inlet pipe 8 is fixedly connected with the outer end of the communicating column 3, and one end of the air inlet pipe 8 is fixedly connected with a conduction pipe 9, the conduction pipe 9 surrounds the inner wall of the crystallization box 1, the other end of the conduction pipe 9 is fixedly connected with an air outlet pipe 10, and the air outlet pipe 10 is fixedly connected with the outer end of the crystallization box 1;

titanium white powder solution can produce a large amount of heats when the crystallization, the heat passes through air duct 2 and transmits to the inner chamber of intercommunication post 3 in, waste gas is discharged through blast pipe 4 after administering through the intercommunication post again, the gaseous of exhaust with big heat passes through branch pipe 7 and intake pipe 8 again and enters into in the conduction pipe 9, conduction pipe 9 is the S-shaped structure of multistage, be convenient for with the heat that produces when the crystallization in the inner chamber of crystallization case 1 around the transmission, the heat of transmission carries out the repeated heating to the titanium white powder liquid of semi-crystalline state, thereby accelerate the crystallization rate of titanium white powder, conduction pipe 9 has strengthened thermal recovery reuse rate, thereby reduce waste heat resource' S waste, again with gaseous transmission after utilizing the heat and handle.

In other embodiments, one side of the crystallization box 1 is fixedly connected with a circulation inlet 11, and the other side of the crystallization box 1 is fixedly connected with a circulation outlet 12;

when cooling the titanium dioxide solution, cooling water is introduced from the circulating inlet 11 and surrounds the inner cavity of the crystallization box 1, so that the crystallization box 1 is cooled by the cooling water, and the cooled cooling water is discharged from the circulating outlet 12.

In other embodiments, the outer end of the circulation outlet 12 is fixedly connected with a liquid discharge pipe 13, the other end of the liquid discharge pipe 13 is fixedly connected with an extension conduit 14, and the other end of the extension conduit 14 is fixedly connected with a pH adjusting box 15;

waste water passes through fluid-discharge tube 13 and discharges, and during exhaust liquid reentrant extension pipe 14, extension pipe 14 introduced into PH regulating box 15 with the waste liquid, PH regulating box 15 can be handled waste water, prevents that waste water direct discharge from causing the pollution to the environment.

In other embodiments, the inner cavity of the communicating column 3 is fixedly connected with two filter cottons 16, the inner cavity of the communicating column 3 is fixedly connected with two partition plates 17, the two partition plates 17 are clamped with a filter element 18 between the two partition plates 17, and the outer end of the communicating column 3 is hinged with a box door 19;

the waste gas that produces during the crystallization passes through filter pulp 16 earlier, produces double-deck filter pulp 16 and can carry out preliminary treatment to the harmful substance in the waste gas, and the gaseous rethread filter element 18 after the processing carries out retreatment, discharges the waste gas after will twice again to reduce the pollution that waste gas caused the environment.

In other embodiments, the outer end of the air outlet pipe 10 is fixedly connected with a first air pipe 20, the other end of the first air pipe 20 is fixedly connected with an air pump 21, one end of the air pump 21 is fixedly connected with a second air pipe 22, and the other end of the second air pipe 22 is fixedly connected with the outer end of the PH adjusting box 15;

the air pump 21 can transmit the generated waste gas to the inner cavity of the PH adjusting box 15 through the second air pipe 22, and then the waste gas is treated through the PH adjusting box 15.

In other embodiments, the outer end of the extension duct 14 is connected with a liquid flow valve 23 in a threaded manner, and the outer end of the PH adjusting tank 15 is fixedly connected with a liquid level meter 24;

the flow rate of cooling water can be controlled to liquid stream valve 23, can dilute the waste water that produces simultaneously, and the cooling water also can wash PH regulating box 15, has strengthened the utilization ratio of water resource.

In other embodiments, the top end of the PH adjusting box 15 is fixedly connected with a fixing shell 25, the inner cavity of the fixing shell 25 is fixedly connected with a measuring instrument 26, one end of the measuring instrument 26 is electrically connected with a display screen 27, the display screen 27 is fixedly connected in the inner cavity of the fixing shell 25, the bottom end of the measuring instrument 26 is fixedly connected with a measuring meter 28, the measuring meter 28 is arranged in the inner cavity of the PH adjusting box 15, and the outer end of the PH adjusting box 15 is fixedly connected with a sewage pipe 29;

the pH value of survey meter 28 to waste water detects, and the PH numerical value that detects the record through measuring apparatu 26 again, and detector 26 can detect the pH value of waste water in the 15 inner chambers of pH regulating box, and the data after detecting passes through display screen 27 and shows to be convenient for detect the regulation to the pollution quality of waste water.

In other embodiments, the bottom end of the crystallization box 1 is fixedly connected with a crystallization outlet 30, the inner cavity of the crystallization box 1 is fixedly connected with a connecting plate 31, the bottom end of the connecting plate 31 is fixedly connected with a rotating motor 32, the outer end of the rotating motor 32 is rotatably connected with a rotating shaft 33, the other end of the rotating shaft 33 is fixedly connected with a rotating plate 34, and the bottom end of the rotating plate 34 is fixedly connected with a stirring blade 35;

the rotating motor 32 is started, and then the rotating motor 32 drives the rotating shaft 33 to rotate, so that the rotating shaft 33 drives the stirring blade 35 at the bottom end of the rotating plate 34 to rotate, the stirring blade 35 can easily stir the semi-crystalline titanium dioxide, and the heat of waste gas is matched again to enable the titanium dioxide solution to be uniformly heated, so that the cleaning rate of the titanium dioxide is improved.

In other embodiments, four stirring blades 35 are provided, the four stirring blades 35 are arranged at the bottom end of the rotating plate 34 in a cross shape, and the bottom end of each stirring blade 35 is in a disc shape;

the stirring blades 35 in the disc shape enhance the easy stirring efficiency of the titanium dioxide, so that the rotation speed of the solution in the inner cavity of the crystallization box 1 is accelerated, and meanwhile, the crystallization rate of the titanium dioxide is enhanced by the four stirring blades 35, so that the production efficiency of the titanium dioxide is improved.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a waste heat recovery device of titanium white powder, includes crystallization case (1), its characterized in that: the outer end of the crystallization box (1) is fixedly connected with a steam guide pipe (2), the other end of the steam guide pipe (2) is fixedly connected with a communication column (3), the communication column (3) is fixedly connected with the outer end of the crystallization box (1), the top end of the communication column (3) is fixedly connected with an exhaust pipe (4), the top end of the exhaust pipe (4) is fixedly connected with a connecting pipe (5), the other end of the connecting pipe (5) is fixedly connected with a filter pump (6), the bottom end of the filter pump (6) is fixedly connected with a branch pipe (7), one end of the branch pipe (7) is fixedly connected with an air inlet pipe (8), the other end of the air inlet pipe (8) is fixedly connected with the outer end of the communication column (3), one end of the air inlet pipe (8) is fixedly connected with a conduction pipe (9), and the conduction pipe (9) is surrounded in the inner wall of the crystallization box (, and the other end of the conduction pipe (9) is fixedly connected with an air outlet pipe (10), and the air outlet pipe (10) is fixedly connected with the outer end of the crystallization box (1).

2. The waste heat recovery device of titanium dioxide according to claim 1, characterized in that: one side of the crystallization box (1) is fixedly connected with a circulation inlet (11), and the other side of the crystallization box (1) is fixedly connected with a circulation outlet (12).

3. The waste heat recovery device of titanium dioxide according to claim 2, characterized in that: the outer end of the circulating outlet (12) is fixedly connected with a liquid discharge pipe (13), the other end of the liquid discharge pipe (13) is fixedly connected with an extension guide pipe (14), and the other end of the extension guide pipe (14) is fixedly connected with a PH adjusting box (15).

4. The waste heat recovery device of titanium dioxide according to claim 1, characterized in that: inner chamber fixedly connected with filter pulp (16) of intercommunication post (3), filter pulp (16) are equipped with two, just the inner chamber fixedly connected with baffle (17) of intercommunication post (3), baffle (17) are equipped with two, two the joint has filter core (18) between baffle (17), just the outer end of intercommunication post (3) articulates there is chamber door (19).

5. The waste heat recovery device of titanium dioxide according to claim 3, characterized in that: the outer end fixedly connected with of outlet duct (10) first trachea (20), the other end fixedly connected with air pump (21) of first trachea (20), the one end fixedly connected with second trachea (22) of air pump (21), the other end fixed connection of second trachea (22) in the outer end of PH regulating box (15).

6. The waste heat recovery device of titanium dioxide according to claim 3, characterized in that: the outer end of the extension conduit (14) is in threaded connection with a liquid flow valve (23), and the outer end of the PH adjusting box (15) is fixedly connected with a liquid level meter (24).

7. The waste heat recovery device of titanium dioxide according to claim 3, characterized in that: the utility model discloses a PH adjusting box, including PH adjusting box (15), top fixedly connected with set casing (25) of PH adjusting box (15), the inner chamber fixedly connected with measuring apparatu (26) of set casing (25), the one end electric connection of measuring apparatu (26) has display screen (27), display screen (27) fixed connection in the inner chamber of set casing (25), just the bottom fixedly connected with meter (28) of measuring apparatu (26), meter (28) are located in the inner chamber of PH adjusting box (15), just the outer end fixedly connected with sewage pipe (29) of PH adjusting box (15).

8. The waste heat recovery device of titanium dioxide according to claim 1, characterized in that: the bottom fixedly connected with crystallization of crystallization case (1) exports (30), just the inner chamber fixedly connected with of crystallization case (1) links up fishplate bar (31), the bottom fixedly connected with rotating electrical machines (32) of linking up fishplate bar (31), the outer end of rotating electrical machines (32) is rotated and is connected with axis of rotation (33), the other end fixedly connected with rotor plate (34) of axis of rotation (33), the bottom fixedly connected with stirring leaf (35) of rotor plate (34).

9. The waste heat recovery device of titanium dioxide according to claim 8, wherein: stirring leaf (35) are equipped with four, four stirring leaf (35) become the cross and locate the bottom of rotor plate (34), just the bottom of stirring leaf (35) is the disc.