CN214861303U

CN214861303U - Steam type negative pressure generating device of titanium white powder crystallization process

Info

Publication number: CN214861303U
Application number: CN202021506592.1U
Authority: CN
Inventors: 聂新元; 李琦; 董一彬
Original assignee: Guangxi Shunfeng Titanium Industry Co ltd
Current assignee: Guangxi Shunfeng Titanium Industry Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-11-26
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a steam type negative pressure generating device of titanium white powder crystallization technology, including steam type negative pressure generating device body and crystallization tank body, one side of steam type negative pressure generating device body is linked together and is provided with steam conveying pipeline, and pipeline's one end is linked together and is provided with venturi, and the last cooperation cover of pipeline's outer wall is equipped with the overheated mechanism that carries out drying to steam. The utility model relates to a steam type negative pressure generating device of titanium white powder crystallization technology, carry out high temperature heating to two superheater tubes, steam through the superheater tube in to pipeline carries out the drying, through surrounding the superheater tube in pipeline's outside, can improve the drying effect to steam, reduce the water content in the steam, improve the crystallization efficiency of titanium white powder, when needs are dismantled overheated mechanism, only need to stimulate two gag lever posts to the outside, move out the one end of gag lever post from the jack, then along two semi-circular sleeves of antiport, can realize dismantling overheated mechanism.

Description

Steam type negative pressure generating device of titanium white powder crystallization process

Technical Field

The utility model relates to a titanium white powder production field specifically is a steam type negative pressure generating device of titanium white powder crystallization technology.

Background

In the production process of titanium dioxide, hydrolyzed liquid needs to be cooled and decompressed for crystallization, the cooling and decompression are mostly carried out in a mode of vacuumizing a crystallization tank body, a negative pressure generating device is connected with the crystallization tank body, and the crystallization tank body is enabled to generate vacuum, so that on one hand, the pressure of the crystallization tank body is reduced, crystallization is facilitated, and on the other hand, the vacuum generated by the crystallization tank body enables the boiling point of the liquid in a pipe to be reduced, the liquid is boiled and evaporated, and crystals are precipitated. The negative pressure generating device usually adopts a steam negative pressure generating device, a steam conveying pipeline is connected with the crystallization tank body through a venturi tube, steam flows in the steam pipe, and negative pressure is formed at the venturi tube, so that air in the crystallization tank body is sucked to form vacuum. But the water content of the steam is higher, so that the negative pressure generating effect is greatly influenced, the vacuum generating effect is reduced, and the crystallization rate of the titanium dioxide is further reduced. Therefore, the steam type negative pressure generating device for the titanium dioxide powder crystallization process is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a steam type negative pressure generating device for titanium dioxide powder crystallization process,

including steam type negative pressure generating device body and crystallization tank body, one side of steam type negative pressure generating device body is linked together and is provided with steam conveying pipe, pipeline's one end is linked together and is provided with venturi, venturi's one end and crystallization tank body communicate mutually, the cooperation cover is equipped with and carries out the overheated mechanism of drying to steam on pipeline's the outer wall, overheated mechanism includes two semi-circular sleeve that set up relatively, two articulated, two are passed through the hinge in semi-circular sleeve's top semi-circular sleeve's bottom is all fixed and is provided with the connecting block, two the opposite side of connecting block is provided with respectively and carries out spacing stop gear to two semi-circular sleeve.

As an optimal technical scheme of the utility model, two all be provided with in the semi-circular sleeve and be snakelike form superheater tube, two the superheater tube encircles respectively in pipeline's outside.

As an optimal technical scheme of the utility model, two the telescopic inner wall of semi-circle is made by copper, two the telescopic outside of semi-circle is provided with the asbestos gauge insulating layer.

As a preferred technical scheme of the utility model, stop gear includes the gag lever post and supports tight spring, support tight spring and cooperate in as to the spout of seting up on the connecting block, the gag lever post cooperatees in as to support tight spring.

As a preferred technical scheme of the utility model, the gag lever post is provided with the separation blade as for the external fixation of the inboard one end of spout, support the both ends of tight spring respectively with the inner wall fixed connection of separation blade and spout.

As a preferred technical scheme of the utility model, the one end of gag lever post is passed the spout and is in as to the spacing inslot that sets up on the connecting block, the cooperation is provided with the stopper in the spacing inslot, stopper and the relative connecting block fixed connection of spacing groove, just the jack has been seted up with the gag lever post is corresponding on the stopper.

The utility model has the advantages that: this kind of steam type negative pressure generating device of titanium white powder crystallization technology, carry out high temperature heating to two superheater tubes, steam through the superheater tube in to pipeline carries out the drying, through the outside that encircles the superheater tube at pipeline, can improve the drying effect to steam, reduce the water content in the steam, improve the crystallization efficiency of titanium white powder, when needs are dismantled overheated mechanism, only need to pull two gag lever posts to the outside, move out the one end of gag lever post from the jack, then along two semi-circular sleeves of antiport, can realize dismantling overheated mechanism, be convenient for change or maintain overheated mechanism.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a steam type negative pressure generator of titanium dioxide powder crystallization process of the present invention;

FIG. 2 is a schematic view of the structure of the overheating mechanism of the steam type negative pressure generator of the titanium dioxide powder crystallization process of the present invention;

FIG. 3 is a schematic diagram of the position structures of the limiting block and the limiting groove of the steam type negative pressure generator of the titanium dioxide powder crystallization process of the present invention;

FIG. 4 is a schematic view of the superheater tube structure of the steam type negative pressure generator of the titanium dioxide powder crystallization process of the present invention;

fig. 5 is a schematic structural diagram of a limiting mechanism of the steam type negative pressure generating device of the titanium dioxide powder crystallization process of the present invention.

In the figure: 1. a steam type negative pressure generating device body; 2. a delivery conduit; 3. a venturi tube; 4. a crystallization tank body; 5. an overheating mechanism; 501. a semicircular sleeve; 502. connecting blocks; 503. a superheater tube; 6. a limiting mechanism; 601. a limiting rod; 602. the spring is tightly propped; 603. blocking; 7. a chute; 8. a limiting groove; 9. and a limiting block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in the figures 1 and 2, respectively, fig. 3, fig. 4 and fig. 5 show, the utility model relates to a titanium white powder crystallization technology's steam type negative pressure generator, including steam type negative pressure generator body 1 and crystallization tank body 4, one side of steam type negative pressure generator body 1 is linked together and is provided with steam conveying pipeline 2, the one end of conveying pipeline 2 is linked together and is provided with venturi 3, venturi 3's one end is linked together with crystallization tank body 4, the cooperation cover is equipped with and carries out dry overheated mechanism 5 to steam on conveying pipeline 2's the outer wall, overheated mechanism 5 includes two semi-circular sleeve 501 that set up relatively, hinge joint is passed through on two semi-circular sleeve 501's top, two semi-circular sleeve 501's bottom is the fixed connecting block 502 that is provided with all, two mutually opposite sides of connecting block 502 are provided with respectively and carry out spacing stop gear 6 to two semi-circular sleeve 501.

Wherein, all be provided with the superheat tube 503 that is snakelike in two semi-circular sleeves 501, two superheat tubes 503 encircle respectively in pipeline 2's outside, and two superheat tubes 503 all are through external overheat switch and external power electric connection, through carrying out high temperature heating to superheat tube 503, can realize carrying out the drying to the steam in pipeline 2, reduce the water content in the steam.

Wherein, two semicircular sleeve 501's inner wall is made by copper, and two semicircular sleeve 501's outside is provided with the asbestos gauge insulating layer, and through making semicircular sleeve 501's inner wall by copper, can improve heat transfer's effect, through being equipped with the insulating layer in semicircular sleeve 501's outside, can prevent to take place the possibility of scalding the staff.

Wherein, the limiting mechanism 6 comprises a limiting rod 601 and a resisting spring 602, the resisting spring 602 is matched and arranged in a chute 7 arranged on the connecting block 502, the limiting rod 601 is matched and arranged in the resisting spring 602, a baffle 603 is fixedly arranged outside one end of the limiting rod 601 at the inner side of the chute 7, two ends of the resisting spring 602 are respectively fixedly connected with the baffle 603 and the inner wall of the chute 7, one end of the limiting rod 601 passes through the chute 7 and is arranged in a limiting groove 8 arranged on the connecting block 502, a limiting block 9 is arranged in the limiting groove 8 in a matched manner, the limiting block 9 is fixedly connected with the connecting block 502 opposite to the limiting groove 8, jacks corresponding to the limiting rod 601 are arranged on the limiting block 9, two limiting rods 601 are respectively pulled outwards to move the limiting rod 601 out of the limiting groove 8, then the two semicircular sleeves 501 are rotated relatively to be closed, at this time, the limiting block 9 is matched and limited in the limiting groove 8, then, the acting force on the limiting rod 601 is released, and at this time, under the elastic action of the abutting spring 602, the limiting rod 601 is pushed to be matched and inserted with the insertion hole, so that the two semicircular sleeves 501 are limited and fixed.

The working principle is as follows: the two semicircular sleeves 501 are sleeved outside the conveying pipeline 2, then the two limiting rods 601 are respectively pulled outwards, the limiting rods 601 are moved out from the limiting grooves 8, at this time, the two semicircular sleeves 501 are rotated relatively to be closed, the limit block 9 is matched and limited in the limit groove 8, then the acting force on the limiting rod 601 is released, at this time, under the elastic action of the abutting spring 602, the limiting rod 601 is pushed to be matched and inserted with the jack, the two semicircular sleeves 501 are limited and fixed, the overheating switch is turned on to heat the two overheating pipes 503 at high temperature, the steam in the conveying pipeline 2 is dried, the water content in the steam is reduced, and when the overheating mechanism 5 needs to be disassembled, only the two limiting rods 601 need to be pulled outwards to move one end of each limiting rod 601 out of the jack, then, the two semicircular sleeves 501 are rotated in the opposite direction, so that the overheating mechanism 5 can be disassembled.

Finally, it should be noted that: although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a titanium white powder crystallization technology's steam formula negative pressure generating device, includes steam formula negative pressure generating device body (1) and crystallization tank body (4), its characterized in that, one side of steam formula negative pressure generating device body (1) is linked together and is provided with steam conveying pipeline (2), the one end of conveying pipeline (2) is linked together and is provided with venturi (3), the one end and the crystallization tank body (4) of venturi (3) are linked together, the cooperation cover is equipped with and carries out overheated mechanism (5) that dry to steam on the outer wall of conveying pipeline (2), overheated mechanism (5) include two semi-circular sleeve (501) that set up relatively, two the top of semi-circular sleeve (501) is passed through the hinge and is articulated, two the bottom of semi-circular sleeve (501) is all fixed and is provided with connecting block (502), two the opposite side of taking the back of connecting block (502) is provided with respectively and carries out spacing to two semi-circular sleeve (501) A mechanism (6).

2. The steam type negative pressure generating device for the titanium dioxide powder crystallization process according to claim 1, wherein a serpentine-shaped superheater pipe (503) is arranged in each of the two semicircular sleeves (501), and the two superheater pipes (503) are respectively surrounded outside the conveying pipeline (2).

3. The steam type negative pressure generating device for the titanium dioxide powder crystallization process according to claim 1, wherein the inner walls of the two semicircular sleeves (501) are both made of copper, and the outside of the two semicircular sleeves (501) is provided with an asbestos gauze heat-insulating layer.

4. The steam type negative pressure generating device for the titanium dioxide crystallization process according to claim 1, wherein the limiting mechanism (6) comprises a limiting rod (601) and a resisting spring (602), the resisting spring (602) is matched with a sliding groove (7) formed in the connecting block (502), and the limiting rod (601) is matched with the resisting spring (602).

5. The steam type negative pressure generating device for the titanium dioxide powder crystallization process according to claim 4, wherein a blocking piece (603) is fixedly arranged outside one end of the limiting rod (601) at the inner side of the sliding groove (7), and two ends of the abutting spring (602) are respectively and fixedly connected with the blocking piece (603) and the inner wall of the sliding groove (7).

6. The steam type negative pressure generating device for the titanium dioxide crystallization process according to claim 5, wherein one end of the limiting rod (601) passes through the sliding groove (7) and is arranged in a limiting groove (8) formed in the connecting block (502), a limiting block (9) is arranged in the limiting groove (8) in a matching manner, the limiting block (9) is fixedly connected with the connecting block (502) opposite to the limiting groove (8), and a jack is formed in the limiting block (9) corresponding to the limiting rod (601).