CN216909207U

CN216909207U - Flash tank

Info

Publication number: CN216909207U
Application number: CN202122948052.XU
Authority: CN
Inventors: 王智; 孙建民; 黄岳; 袁金忠; 于敬虎; 杨光剑; 王千
Original assignee: Guangxi Xinfa Aluminum Electric Co ltd
Current assignee: Guangxi Xinfa Aluminum Electric Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-07-08
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a flash evaporation tank, which adopts the technical scheme that a tank body is provided with a reaction cavity and a discharge hole communicated with the reaction cavity, the discharge hole is formed in the bottom of the tank body, a mounting seat of an anti-blocking structure is arranged in the reaction cavity and is detachably connected with a body, an elastic piece is connected with the mounting seat, an anti-blocking baffle is connected with the elastic piece and is matched with the mounting seat to form a discharge gap communicated with the feed hole, and the anti-blocking baffle covers the discharge hole in the height direction of the tank body. According to the utility model, the anti-blocking baffle is elastically connected with the mounting seat through the elastic piece, when red mud impacts the anti-blocking baffle, the elastic piece can play a buffering role on the anti-blocking baffle, so that the anti-blocking baffle is prevented from being damaged by impact, the red mud can be rebounded to one side far away from the discharge hole through the reaction force of the elastic piece at present, so that materials in the reaction cavity can flow out through the discharge gap and the discharge hole, and the anti-blocking effect of the anti-blocking baffle is better.

Description

Flash tank

Technical Field

The utility model relates to the technical field of aluminum production equipment, in particular to a flash tank.

Background

At present, in the production of alumina, high-pressure digestion is a key process, and a flash tank is one of key devices for high-pressure digestion. The flash tank has the function that after the materials dissolved out at high temperature and high pressure are subjected to flash evaporation of a plurality of stages, secondary steam is fully released from the materials, and the temperature and the pressure of the materials are reduced. In the wet-process smelting production process of alumina, bauxite slurry and caustic soda undergo high-temperature high-pressure digestion reaction in an autoclave, so that a mixture of sodium aluminate and red mud with high temperature and high pressure is generated. Red mud scars on the inner wall of a flash tank body, along with the operation of equipment, scars are loosened and fall off, large scars falling off are gathered at a discharge port to block the discharge port, during the production process, when a discharge pipe is blocked, a unit needs to be stopped for cleaning, a large amount of manpower and material resources are needed, the waste of resources is caused, the normal operation of production is influenced, and the running efficiency of the equipment is low.

In the correlation technique, the red mud is usually blocked from the discharge port by the baffle at the discharge port, but most of the existing baffles are rigidly connected with the flash tank, so that the red mud frequently strikes the baffle and then is damaged, the service life of the baffle is short, and the anti-blocking effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a flash tank, aiming at improving the anti-blocking effect.

To achieve the above object, the flash tank of the present invention comprises

The device comprises a tank body, a gas inlet and a gas outlet, wherein the tank body is provided with a reaction cavity and a discharge hole communicated with the reaction cavity, and the discharge hole is formed in the bottom of the tank body; and

prevent stifled structure, prevent stifled structure including mount pad, elastic component and prevent stifled baffle, the mount pad is located the reaction intracavity, and with the connection can be dismantled to the cell body, the elastic component connect in the mount pad, prevent stifled baffle connect in the elastic component, and with the mount pad cooperation forms ejection of compact clearance, prevent stifled baffle in cover in the direction of height of cell body the discharge gate.

Optionally, the elastic member includes at least one spring, the mounting seat is provided with a slot, the anti-blocking baffle includes a plate body and a connecting column connected to the plate body, the spring is sleeved in the slot and connected to a slot bottom wall of the slot, and the connecting column is inserted into the slot and elastically abuts against the spring.

Optionally, the notch end of the slot is convexly provided with a stop flange, the end part of the connecting column, which is far away from the plate body, is convexly provided with a limit flange, and the spring provides elastic force so that the limit flange abuts against the stop flange.

Optionally, the stop flange extends along the edge of the side wall surface of the slot.

Optionally, the elastic member includes a plurality of springs, the mounting seat is provided with a plurality of slots, the slots are uniformly arranged along the axial direction of the mounting seat at intervals, and one of the springs is sleeved in one of the slots.

Optionally, prevent stifled baffle still includes the puncture awl, the puncture awl connect in the plate body, and towards discharge gate one side extends.

Optionally, the flash drum still includes the inlet pipe, the inlet pipe with the reaction chamber is linked together, and orientation the middle part of reaction chamber extends, the inlet pipe is located the top of plate body, the plate body is the orientation the toper form setting of inlet pipe one side.

Optionally, prevent stifled structure still including preventing stifled rail, prevent stifled rail ring and locate the outside of mount pad to seted up and filtered the hole, filter the hole with discharge gap communicates.

Optionally, the flash tank further comprises a dead steam communicating pipeline, the dead steam communicating pipeline is arranged at the top of the tank body and communicated with the reaction cavity, and the dead steam communicating pipeline is used for communicating the reaction cavity of another flash tank.

According to the technical scheme, the groove body is provided with the reaction cavity and the discharge hole communicated with the reaction cavity, the discharge hole is formed in the bottom of the groove body, the mounting seat of the anti-blocking structure is arranged in the reaction cavity and detachably connected with the body, the elastic piece is connected with the mounting seat, the anti-blocking baffle is connected with the elastic piece and matched with the mounting seat to form a discharge gap communicated with the feed hole, and the anti-blocking baffle covers the discharge hole in the height direction of the groove body. According to the utility model, the anti-blocking baffle is elastically connected with the mounting seat through the elastic piece, when red mud impacts the anti-blocking baffle, the elastic piece can play a buffering role on the anti-blocking baffle, so that the anti-blocking baffle is prevented from being damaged by impact, the red mud can be rebounded to one side far away from the discharge hole through the reaction force of the elastic piece at present, so that materials in the reaction cavity can flow out through the discharge gap and the discharge hole, and the anti-blocking effect of the anti-blocking baffle is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a flash drum according to an embodiment of the present invention;

FIG. 2 is a top view of the flash drum shown in FIG. 1;

FIG. 3 is a cross-sectional view of the flash drum of FIG. 1 taken along line III-III;

fig. 4 is an enlarged detail view at a in fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Flash tank	22	Elastic piece
10	Trough body	23	Anti-blocking baffle
				10a	Reaction chamber		231	Plate body
10b	Discharge port		232						Connecting column
				10c	Discharge gap		233	Limit flange
11	Feed pipe	234	Puncture awl
				20	Anti-blocking structure	235	Anti-blocking fence
21	Mounting seat	235a	Filtering hole
				21a	Inserting groove		30		Dead steam communicating pipeline
211	Stop flange

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a flash drum 100.

In an embodiment of the present invention, the flash drum 100 comprises

The device comprises a tank body 10, wherein the tank body 10 is provided with a reaction cavity 10a and a discharge hole 10b communicated with the reaction cavity 10a, and the discharge hole 10b is formed in the bottom of the tank body 10; and

prevent stifled structure 20, prevent stifled structure 20 includes mount pad 21, elastic component 22 and prevents stifled baffle 23, mount pad 21 is located in the reaction chamber 10a, and with the connection can be dismantled to cell body 10, elastic component 22 connect in mount pad 21, prevent stifled baffle 23 connect in elastic component 22, and with mount pad 21 cooperation forms discharge gap 10c, prevent stifled baffle 23 in cover on the direction of height of cell body 10 discharge gate 10 b.

Particularly, cell body 10 is the shell structure who is made by the metal sheet, and the cavity of cell body 10 is reaction chamber 10a, and its lower part is discharge gate 10b, and the feed inlet has been seted up to the side, and inlet pipe 11 is linked together with the feed inlet to extend towards the middle part of reaction chamber 10a, the opening of inlet pipe 11 is corresponding with discharge gate 10b, and discharge gate 10b sets up in the bottom of cell body 10 in this application, and the ground paste is extrudeed easily during the ejection of compact, and can reduce the content of gas-liquid mixture.

In the technical scheme of the utility model, the mounting seat 21 of the anti-blocking structure 20 is arranged in the reaction cavity 10a and is detachably connected with the body through a screw, the elastic part 22 is connected with the mounting seat 21, the anti-blocking baffle 23 is connected with the elastic part 22 and is matched with the mounting seat 21 to form a discharge gap 10c communicated with the feed inlet, and the anti-blocking baffle 23 covers the discharge outlet 10b in the height direction of the groove body 10. In the utility model, the anti-blocking baffle 23 is elastically connected with the mounting seat 21 through the elastic piece 22, when red mud impacts the anti-blocking baffle 23, the elastic piece 22 can buffer the red mud, so that the anti-blocking baffle 23 is prevented from being damaged by impact, the red mud can be rebounded to one side far away from the discharge hole 10b through the reaction force of the elastic piece 22 at present, so that materials in the reaction cavity 10a can flow out through the discharge gap 10c and the discharge hole 10b, and the anti-blocking effect of the anti-blocking baffle 23 is better.

Referring to fig. 4 again, in an embodiment of the present invention, the elastic member 22 includes at least one spring, the mounting seat 21 is provided with a slot 21a, the anti-blocking baffle 23 includes a plate 231 and a connecting post 232 connected to the plate 231, the spring is sleeved in the slot 21a and connected to a bottom wall of the slot 21a, and the connecting post 232 is inserted into the slot 21a and elastically abuts against the spring.

Specifically, the mounting seat 21 includes the pedestal and connects in a plurality of bosss of pedestal, and the pedestal encircles the outside of locating discharge gate 10b, and the boss sets up along the even interval of circumference of pedestal, and a slot 21a has been seted up to a boss, and the slot end of slot 21a is equipped with backstop flange 211 to its inside protruding the establishing, spliced pole 232 keeps away from the protruding establishing of tip of plate body 231 is formed with spacing flange 233 with backstop flange 211 matched with, and a spring cup joints in a slot 21a, and spliced pole 232 pegs graft in slot 21a to compress the spring, so that the spring provides elasticity, make spacing flange 233 butt in backstop flange 211. In this application, connect pedestal and plate body 231 through spliced pole 232, spring and boss, simple structure to but the spring buffering power through the spring impact force that the greatly reduced plate originally received, and elasticity keeps off red mud from discharge gate 10b, when improving the life-span of plate body 231, the stifled effect of preventing of flash tank 100 is better.

It should be noted that, in order to facilitate the installation of the anti-blocking structure 20, in this application, the connection post 232 and the plate body 231 are in threaded connection, and of course, the connection post 232 and the plate body 231 may be integrally formed, and are not specifically limited herein.

Further, the stopping flange 211 extends along the edge of the sidewall of the slot 21 a. That is, the stop flange 211 is matched with the side wall surface of the connecting column 232 to seal the slot 21a, so that slurry in the reaction tank can be prevented from entering the slot 21a and affecting the elastic effect of the elastic member 22.

Furthermore, prevent stifled baffle 23 still includes puncture awl 234, puncture awl 234 connect in plate body 231, and orientation discharge gate 10b one side is extended, and it can be understood that, after plate body 231 received the impact of red mud, receives the effect of elasticity, plate body 231 can drive puncture awl 234 towards discharge gate 10b one side motion, strikes the plug of discharge gate 10b department, dredges discharge gate 10b, so flash tank 100 prevents stifled effect better.

In an embodiment of the present invention, the plate 231 is disposed in a tapered shape facing the feeding pipe 11, so that the overall strength of the plate 231 is higher.

Further, the anti-blocking structure 20 further includes an anti-blocking fence 235, the anti-blocking fence 235 is annularly disposed on the outer side of the mounting seat 21 and is provided with a filtering hole 235a, and the filtering hole 235a is communicated with the discharging gap 10 c. The discharge gap 10c is a gap formed between the bosses on the mounting base 21, and the slurry in the reaction chamber 10a flows into the discharge hole 10b through the discharge gap 10 c. In this application, prevent stifled rail 235 through the setting and can avoid red mud to block up ejection of compact clearance 10c, the stifled effect of preventing of flash drum 100 is better.

In an embodiment of the present invention, the flash tank 100 further includes a dead steam communicating pipe 30, the dead steam communicating pipe 30 is disposed at the top of the tank body 10 and is communicated with the reaction chamber 10a, and the dead steam communicating pipe 30 is used for communicating the reaction chamber 10a of another flash tank 100, in the present invention, the dead steam communicating pipe 30 is disposed to move back the surplus dead steam, so as to balance the dead steam between the flash tanks 100, improve the safety of the flash tanks 100, and reduce energy consumption.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A flash tank is characterized by comprising

2. The flash tank of claim 1, wherein the resilient member comprises at least one spring, the mounting base defines a slot, the anti-blocking baffle comprises a plate and a connecting post connected to the plate, the spring is disposed in the slot and connected to a bottom wall of the slot, and the connecting post is inserted into the slot and resiliently abuts against the spring.

3. The flash tank of claim 2, wherein the slot opening end of the slot is formed with a protruding stop flange, the end of the connecting column away from the plate body is formed with a protruding stop flange, and the spring provides a spring force to make the stop flange abut against the stop flange.

4. The flash tank of claim 3, wherein the stop flange extends edgewise along the side wall surface of the socket.

5. The flash drum of claim 3, wherein the elastic member comprises a plurality of springs, the mounting base is provided with a plurality of slots, the slots are uniformly spaced along the axial direction of the mounting base, and one of the springs is sleeved in one of the slots.

6. The flash tank of any one of claims 2 to 5, wherein the anti-clogging baffle further comprises a piercing cone attached to the plate body and extending toward the discharge outlet side.

7. The flash drum of claim 6, further comprising a feed pipe in communication with the reaction chamber and extending toward a middle portion of the reaction chamber, the feed pipe being positioned above the plate body, the plate body being tapered toward a side of the feed pipe.

8. The flash tank of any one of claims 2 to 5, wherein the anti-blocking structure further comprises an anti-blocking fence, the anti-blocking fence is annularly arranged outside the mounting seat and is provided with a filtering hole, and the filtering hole is communicated with the discharging gap.

9. A flash tank according to any one of claims 2 to 5, further comprising a dead steam communication conduit provided at the top of the tank body and communicating with the reaction chamber, the dead steam communication conduit being for communication with the reaction chamber of another flash tank.