CN213713985U

CN213713985U - Vapour powder tail gas waste heat recovery device for titanium dioxide powder preparation

Info

Publication number: CN213713985U
Application number: CN202021888259.1U
Authority: CN
Inventors: 卢守彬; 江志勇; 关学均
Original assignee: Kunming Donghao Titanium Industry Co ltd
Current assignee: Kunming Donghao Titanium Industry Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-07-16
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a vapor powder tail gas waste heat recovery device for titanium dioxide powder preparation, which comprises a box body and a production device, wherein the left side of the bottom inner wall of the box body is fixedly connected with a purifying box, the bottoms of the two side inner walls of the box body are fixedly connected with water-stop sheets, the right side of the top of the production device is fixedly connected with an air duct, one end of the air duct far away from the production device is fixedly connected with an air blower, the air outlet of the air blower is sleeved with a U-shaped pipe which runs through and extends to the inside of the purifying box, the inner wall and the outer wall of the U-shaped pipe are both welded with heat-conducting fins, the left side top of the box body is welded with a water inlet pipe, the right side bottom of the box body is welded with a water outlet pipe, the bottom inner wall of the box body is fixedly connected with a first water, the economic benefit is improved, the labor cost is saved, the working efficiency is more efficient, and the method is suitable for wide popularization.

Description

Vapour powder tail gas waste heat recovery device for titanium dioxide powder preparation

Technical Field

The utility model relates to a vapour powder tail gas waste heat recovery field especially relates to a vapour powder tail gas waste heat recovery device is used in titanium dioxide powder preparation.

Background

In the titanium white production process, metatitanic acid calcines and generally adopts coal gas or natural gas as fuel, calcine tail gas temperature high (320 ℃ to 500 ℃), moisture content is big, contain noncondensable gases such as acid mist, oxysulfide, titanium white powder dust, vapor, air in the tail gas, because the tail gas composition is complicated, domestic titanium white powder factory is direct processing mostly, will calcine kiln tail gas and remove most coarse particle dust through the clean room earlier, through the dunli washing cooling, then through foam tower detach S03, then enter the electric demister, acid mist and a small amount of dust are got rid of, the flue gas is up to standard and discharges, whole processing procedure is only for environmental protection up to standard and discharges, do not retrieve the reuse to the heat, cause a large amount of heat energy to be wasted.

Can produce a large amount of heats during traditional vapour powder exhaust emissions, and traditional device can not be to the recycle that the heat goes on, cause a large amount of heat extravagant, and vapour powder is before discharging, can not be to the effective processing of vapour powder, thereby cause the pollution to the environment, and economic cost is higher, can't reach the effect of environmental protection, need use a lot of manpower and materials to solve, improved economic cost, it is inconvenient to use, the practicality is not strong, unsuitable extensive popularization.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a titanium dioxide powder preparation is with vapour powder tail gas waste heat recovery device, the utility model discloses simple structure, the modern design can carry out recycle to vapour powder tail gas waste heat, has the effect of purifying vapour powder tail gas simultaneously, has improved economic benefits, has practiced thrift the cost of labor, makes work be efficiency more high-efficient, is fit for extensively promoting.

(II) technical scheme

The utility model provides a vapor powder tail gas waste heat recovery device for titanium dioxide preparation, which comprises a box body and a production device, wherein the left side of the bottom inner wall of the box body is fixedly connected with a purifying box, the bottoms of the two side inner walls of the box body are fixedly connected with water-stop plates, the right side of the top of the production device is fixedly connected with an air duct, one end of the air duct, which is far away from the production device, is fixedly connected with an air blower, a U-shaped pipe which runs through and extends to the inside of the purifying box is sleeved at the air outlet of the air blower, heat-conducting fins are welded on the inner wall and the outer wall of the U-shaped pipe, a water inlet pipe is welded at the top of the left side of the box body, a water outlet pipe is welded at the bottom of the right side of the box body, a first water suction, the utility model discloses a refrigerator, including box, bottom fixedly connected with of box, the right side outer wall bottom fixedly connected with second suction pump of box, the play water end fixedly connected with of second suction pump runs through and extends to the aqueduct of box inside, the bottom fixedly connected with shower nozzle of aqueduct, the left side outer wall bottom fixedly connected with outlet duct of box.

Preferably, the water inlet valve is sleeved inside the water inlet pipe, the water outlet valve is sleeved inside the water outlet pipe, and the air outlet valve is fixedly connected inside the air outlet pipe.

Preferably, the water inlet end of the second water suction pump is located inside the filter box, and the blower is a ZG series Roots blower.

Preferably, the water-stop sheet and the filter plate are provided with through holes, and the bottom parts of the inner walls of the two sides of the box body are fixedly connected with the filter plate.

Preferably, the filter screen is welded on the inner wall of the top and the bottom of the filter box, and the valve is arranged at the bottom of the filter box.

Preferably, the inside of purifying box is equipped with lime wash, the top right side of purifying box and the bottom right side fixedly connected with baffle of filter, and the contained angle of baffle and filter is 30 degrees, the air vent has been seted up at the top of purifying box.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. through installing the air-blower, the U type pipe, the water-stop sheet, inlet tube and outlet pipe isotructure, when carrying out waste heat to vapour powder tail gas and can picking up, open the inlet tube, pour into cold water and start the air-blower simultaneously into the box, blow in vapour powder tail gas to U type intraductal, vapour powder tail gas is through the conducting strip of welding at U type intraductal outer wall to vapour powder tail gas cooling, the water of storing in the box of concurrent heating, open the outlet pipe and collect the water of heating, thereby reached the recycle to vapour powder tail gas waste heat.

2. Through the first suction pump of installation, the second suction pump, the purifying box, the aqueduct, the outlet duct, the rose box, shower nozzle and filter isotructure, when purifying vapour powder tail gas, start first suction pump and take out the water in the purifying box and filter in the filter box, lime wash after being used is by the filtration after being purified through the filter screen, start the second suction pump, pass through the aqueduct to purify the stone water after the shower nozzle discharges, thereby has reached reuse's effect, the utility model discloses simple structure, the modern design can carry out recycle to vapour powder tail gas waste heat, has the effect of purifying vapour powder tail gas simultaneously, has improved economic benefits, has practiced thrift the cost of labor, makes work efficiency more high-efficient, is fit for extensive popularization.

Drawings

Fig. 1 is the utility model provides a titanium dioxide powder preparation is with vapour powder tail gas waste heat recovery device's schematic structure diagram.

Fig. 2 is a schematic structural view of a filter plate of the vapor-powder tail gas waste heat recovery device for titanium dioxide powder preparation according to the present invention.

Fig. 3 is the utility model provides a titanium dioxide powder preparation is with vapour powder tail gas waste heat recovery device's rose box schematic structure.

Reference numerals: 1. a box body; 2. a U-shaped pipe; 3. a water inlet pipe; 4. a heat conductive sheet; 5. a water outlet pipe; 6. a spray head; 7. a filter box; 8. a first water pump; 9. a purification box; 10. a filter plate; 11. an air outlet pipe; 12. a water-stop sheet; 13. a blower; 14. an air duct; 15. a production device; 16. a second water pump; 17. a filter screen; 18. a water conduit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in FIGS. 1-3, the utility model provides a vapor powder tail gas waste heat recovery device for titanium dioxide powder preparation, which comprises a box body 1 and a production device 15, a purification box 9 is fixedly connected to the left side of the inner wall at the bottom of the box body 1, water-stop plates 12 are fixedly connected to the bottoms of the inner walls at the two sides of the box body 1, an air duct 14 is fixedly connected to the right side of the top of the production device 15, an air blower 13 is fixedly connected to one end of the air duct 14 away from the production device 15, a U-shaped tube 2 penetrating through and extending into the purification box 9 is sleeved at the air outlet of the air blower 13, heat-conducting fins 4 are welded on the inner wall and the outer wall of the U-shaped tube 2, a water inlet tube 3 is welded at the top of the left side of the box body 1, a water outlet tube 5 is welded at the bottom of the right side of the box body 1, a first, the water outlet end of the second water pump 16 is fixedly connected with a water guide pipe 18 which penetrates through and extends to the inside of the box body 1, the bottom of the water guide pipe 18 is fixedly connected with a spray head 6, and the bottom of the outer wall of the left side of the box body 1 is fixedly connected with an air outlet pipe 11.

The water intaking valve has been cup jointed to the inside of inlet tube 3, the outlet valve has been cup jointed to the inside of outlet pipe 5, the inside fixedly connected with outlet valve of outlet duct 11, the end of intaking of second suction pump 16 is located the inside of rose box 7, the model of blower 13 is ZG series roots blower 13, the through-hole has all been seted up to water-stop sheet 12 and filter 10, the both sides inner wall bottom fixedly connected with filter 10 of box 1, the top and the bottom inner wall welding of rose box 7 have filter screen 17, the valve has been seted up to the bottom of rose box 7, lime wash is equipped with to the inside of purifying box 9, the top right side of purifying box 9 and the bottom right side fixedly connected with baffle of filter 10, and the baffle is 30 degrees with the contained angle of filter 10, the air.

The working principle is as follows:

in the utility model, firstly, when recovering the waste heat of the steam powder tail gas, the water inlet pipe 3 is opened to inject cold water into the box body 1, the air blower 13 is started, the air blower 13 conveys the steam powder tail gas generated in the production device 15 to the U-shaped pipe 2 through the air duct 14, the steam powder tail gas is conveyed out by the heat conducting fins 4 welded on the inner wall and the outer wall when passing through the U-shaped pipe 2, thereby heating the water in the box body 1, the water outlet pipe 5 is opened to flow out the heated cold water in the box body 1, the heated water is stored and used during production, thereby achieving the recycling of the waste heat of the steam powder tail gas, the first water suction pump 8 is started simultaneously to convey the lime water inside the purifying box 9 and after the steam powder tail gas is purified to the filtering box 7, the evolved gas is discharged through the through hole on the surface of the purifying box 9 and then discharged through the air outlet pipe 11, after the purified lime water is filtered by the filtering net 17 in the filtering box, filtered solid particles are accumulated in the filter box 7, at the moment, the valve is manually opened to be taken out, the purified lime water passes through the second water pump 16 and the water guide pipe 18, the water is conveyed to the spray head 6 to be sprayed, and the steam-powder tail gas in the box body 1 is precipitated into particles to fall on the surface of the filter plate 10.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.

Claims

1. The utility model provides a vapour powder tail gas waste heat recovery device for titanium dioxide powder preparation, includes box (1) and apparatus for producing (15), its characterized in that, the bottom inner wall left side fixedly connected with purifying box (9) of box (1), the both sides inner wall bottom fixedly connected with water-stop sheet (12) of box (1), the top right side fixedly connected with air duct (14) of apparatus for producing (15), the one end fixedly connected with air-blower (13) of apparatus for producing (15) is kept away from in air duct (14), the gas outlet of air-blower (13) is cup jointed and is run through and extend to the inside U type pipe (2) of purifying box (9), heat-conducting strip (4) have all been welded to the inner wall and the outer wall of U type pipe (2), the left side top welding of box (1) has inlet tube (3), the right side bottom welding of box (1) has outlet pipe (, the utility model discloses a water purification device, including box (1), the first suction pump of bottom inner wall fixedly connected with (8) of box (1), the bottom inner wall right side fixedly connected with rose box (7) of box (1), the right side outer wall bottom fixedly connected with second suction pump (16) of box (1), the play water end fixedly connected with of second suction pump (16) runs through and extends to aqueduct (18) of box (1) inside, the bottom fixedly connected with shower nozzle (6) of aqueduct (18), the left side outer wall bottom fixedly connected with outlet duct (11) of box (1).

2. The vapor-powder tail gas waste heat recovery device for titanium dioxide powder preparation according to claim 1, wherein a water inlet valve is sleeved inside the water inlet pipe (3), a water outlet valve is sleeved inside the water outlet pipe (5), and a gas outlet valve is fixedly connected inside the gas outlet pipe (11).

3. The vapor-powder tail gas waste heat recovery device for titanium dioxide powder preparation as claimed in claim 1, characterized in that the water inlet end of the second water pump (16) is located inside the filter box (7), and the blower (13) is a ZG series Roots blower (13).

4. The device for recovering the waste heat of the tail gas of the steam powder for preparing the titanium dioxide powder as claimed in claim 1, wherein the water-stop sheet (12) and the filter sheet (10) are both provided with through holes, and the filter sheet (10) is fixedly connected to the bottom of the inner walls of the two sides of the box body (1).

5. The device for recovering the waste heat of the tail gas of the steam powder for preparing the titanium dioxide powder as claimed in claim 1, wherein the inner walls of the top and the bottom of the filter box (7) are welded with filter screens (17), and the bottom of the filter box (7) is provided with a valve.

6. The steam-powder tail gas waste heat recovery device for titanium dioxide powder preparation according to claim 1, wherein the interior of the purification tank (9) is filled with lime water, a baffle is fixedly connected to the right side of the top of the purification tank (9) and the right side of the bottom of the filter plate (10), an included angle between the baffle and the filter plate (10) is 30 degrees, and the top of the purification tank (9) is provided with a vent hole.