CN218532159U - Smelting equipment suitable for rare earth leaching under low-temperature environment - Google Patents
Smelting equipment suitable for rare earth leaching under low-temperature environment Download PDFInfo
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- CN218532159U CN218532159U CN202222549294.6U CN202222549294U CN218532159U CN 218532159 U CN218532159 U CN 218532159U CN 202222549294 U CN202222549294 U CN 202222549294U CN 218532159 U CN218532159 U CN 218532159U
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Abstract
The utility model discloses a smelting device suitable for leaching rare earth under low temperature environment, which comprises a plurality of high-level liquid caustic soda tanks, wherein a liquid caustic soda conveying pipeline is arranged, and the high-level liquid caustic soda tanks are connected with a liquid caustic soda tank in an acid-base reservoir through the liquid caustic soda conveying pipeline for conveying liquid caustic soda; the liquid alkali conveying pipeline is provided with a first valve, the first valve controls the high-level liquid alkali tank to convey liquid alkali to the liquid alkali conveying pipeline, the first valve is closed, steam condensate water generated by the concentration tank flows into the liquid alkali conveying pipeline through a branch pipeline, the steam condensate water washes the inside of the liquid alkali conveying pipeline with hot water, and liquid alkali solution or liquid alkali part inside the liquid alkali conveying pipeline is crystallized and washed back into the liquid alkali tank of the acid-base storage. Effectively reduces the waste of manpower and material resources and ensures the personal safety of the staff.
Description
Technical Field
The utility model relates to a technical field of separation is smelted to the tombarthite, concretely relates to smelting equipment suitable for tombarthite leaches under low temperature environment.
Background
At present, when the temperature is lower in winter, the liquid caustic soda pipeline is easy to block, workers need to work high above the ground, the hammer is used for knocking to judge the blocking position of the pipeline, the cotton yarn is used for winding the blocking position of the pipeline for multiple times, the cotton yarn is ignited and burnt to heat the blocking position, so that liquid caustic soda crystals melt, and the pipeline is dredged. If the cotton yarn combustion method cannot solve the problem, another hose is connected to connect the high-level liquid alkali storage tank and the outlet of the liquid alkali pump of the acid-base reservoir. The hose has the risk of leakage and rupture, and the concentration of the liquid caustic soda reaches 50 percent, thereby causing personal harm to operators. If the blocked liquid caustic soda pipeline is released, the liquid caustic soda crystals are naturally melted after the temperature rises, and the alkali-transfer operation cannot be carried out on time, so that the whole rare earth leaching and smelting process is stopped, and the yield is reduced. Therefore, the method adopted in the practical application of the prior art is to carry out back flushing on the water pipe and then melt off the liquid caustic soda crystals by hot water, thereby ensuring the smoothness of the pipeline.
The utility model patent application with the application number of CN202023070778.X discloses a device for preventing high-concentration caustic soda in a low-temperature environment from being blocked, which comprises a high-concentration caustic soda tank, wherein a high-concentration caustic soda feed pipe and a condensate feed pipe are arranged on the high-concentration caustic soda tank, a high-concentration caustic soda shut-off valve is arranged on the high-concentration caustic soda feed pipe, a condensate shut-off valve is arranged on the condensate feed pipe, and a high-concentration caustic soda tank liquid level meter is arranged on the high-concentration caustic soda tank; the inlet of the circulating pump is connected with the circulating discharge pipe, and the outlet of the circulating pump is connected with the high-concentration liquid caustic soda tank through a circulating pipe; the low-concentration caustic soda tank is provided with a low-concentration caustic soda tank liquid level meter and is connected with a discharge pipe; the utility model discloses a through go into a certain amount with high concentration liquid caustic soda pump and add proper amount gas condensate water configuration and become the liquid caustic soda of the 25% concentration of conduct degree to high concentration liquid caustic soda groove, the freezing point drops to 16 ℃, need not keep warm and also can not solidify, the pump goes into low concentration liquid caustic soda groove and reuses, can prevent effectively that the liquid caustic soda from blockking up the pipeline because of the low temperature. Adopt this scheme unstable in practical application, liquid caustic soda and condensate water add simultaneously and need strict control to match the proportion volume and the morphological change of every time point liquid caustic soda, and is higher to the requirement of technology, and this technical scheme does not have effectual scheme to solve, and this application adopts control system pertinence utilization steam condensate water to dredge the pipeline to carrying the liquid caustic soda pipeline after accomplishing, has reduced manpower and materials waste, ensures staff personal safety simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses a smelting device suitable for leaching rare earth under low temperature environment, which comprises a plurality of high-level liquid caustic soda tanks, a liquid caustic soda conveying pipeline is arranged, the high-level liquid caustic soda tanks are connected with a liquid caustic soda tank of an acid-base reservoir through the liquid caustic soda conveying pipeline for conveying liquid caustic soda, the high-level liquid caustic soda tanks are connected with the liquid caustic soda tank of the acid-base reservoir through the liquid caustic soda conveying pipeline, branch pipelines are arranged on the liquid caustic soda conveying pipeline, the branch pipelines are connected with a concentration tank, and the concentration tank generates steam condensate water; the liquid caustic soda conveying pipeline is provided with a first valve, the first valve controls the high-level liquid caustic soda tank to convey liquid caustic soda to the liquid caustic soda conveying pipeline, the first valve is closed, steam condensate water generated by the concentration tank flows into the liquid caustic soda conveying pipeline through the branch pipeline, the steam condensate water washes the inside of the liquid caustic soda conveying pipeline with hot water, and liquid caustic soda solution or liquid caustic soda part inside the liquid caustic soda conveying pipeline is crystallized and washed back into the liquid caustic soda tank of the acid-base storage. This application has reduced the waste of manpower and materials, has ensured staff personal safety.
The utility model adopts the technical scheme as follows:
the utility model discloses a smelting device suitable for leaching rare earth under low temperature environment, which comprises a plurality of high-level liquid caustic soda tanks, wherein a liquid caustic soda conveying pipeline is arranged, and the high-level liquid caustic soda tanks are connected with a liquid caustic soda tank in an acid-base reservoir through the liquid caustic soda conveying pipeline for conveying liquid caustic soda;
furthermore, a first valve is arranged on the liquid alkali conveying pipeline, the first valve controls the high-level liquid alkali tank to convey the liquid alkali to the liquid alkali conveying pipeline, the first valve is closed, steam condensate water generated by the concentration tank flows into the liquid alkali conveying pipeline through the branch pipeline, the steam condensate water washes the inside of the liquid alkali conveying pipeline with hot water, and the liquid alkali solution or the liquid alkali part inside the liquid alkali conveying pipeline is crystallized and washed back into the liquid alkali tank of the acid-base storage.
Furthermore, a second valve is arranged on the branch pipeline, and the second valve controls the steam condensate water to flow to the liquid caustic soda conveying pipeline.
Furthermore, a tee joint is arranged at the joint of the branch pipeline and the liquid caustic soda conveying pipeline, the communication position of the branch pipeline forms a front-section pipeline and a rear-section pipeline of the liquid caustic soda conveying pipeline, a first valve is arranged on the front-section pipeline of the liquid caustic soda conveying pipeline, a third valve is arranged on the rear-section pipeline of the liquid caustic soda conveying pipeline, and the third valve controls the flow of liquid caustic soda conveyed by the liquid caustic soda conveying pipeline or controls the flow of steam condensate conveyed by the branch pipeline.
Furthermore, the first valve, the second valve and the third valve are electromagnetic valves, the smelting equipment comprises a control system, and the control system controls the opening and closing of the first valve, the second valve and the third valve and the flow rate of the first valve, the second valve and the third valve.
Furthermore, the smelting equipment comprises a heating circulation concentration tank, a rear pipeline of a circulation pipeline connected with the liquid caustic soda conveying pipeline is arranged on the heating circulation concentration tank, and the heating circulation concentration tank is heated continuously to provide circulating steam condensate water to act on a single position of the rear pipeline of the liquid caustic soda conveying pipeline.
Further, the temperature of the steam condensate water is 50-60 ℃, and the diameter of the liquid caustic soda conveying pipeline is 4-6cm.
Furthermore, a fourth valve is arranged on the circulating pipeline and controls the heating circulating concentration tank to circularly convey steam condensate to the rear section pipeline of the liquid caustic soda conveying pipeline.
The technical effects of the utility model are as follows:
the utility model discloses a smelting equipment suitable for tombarthite leaches under low temperature environment, steam condensate water through the concentrated pond wholly washes liquid alkali pipeline, can also wash the condensate of liquid alkali pipeline single point department through the concentrated pond of heating cycle, reaches the beneficial effect who replaces manual work.
The method comprises the following specific steps:
1. the utility model discloses a smelting equipment transformation is not influencing the condition of liquid caustic soda concentration, guarantees that no liquid caustic soda remains in the liquid caustic soda pipeline.
2. The utility model discloses a smelting equipment transformation has replaced manual operation effectively, and it is extravagant to reduce meaningless manpower and materials, ensures staff personal safety.
3. The utility model discloses a smelting equipment transformation can be in the winter guarantee liquid caustic soda transportation of severe cold stable, and output and quality are guaranteed in stable production.
Drawings
FIG. 1 is a schematic structural view of a smelting device suitable for leaching rare earth in a low-temperature environment;
the mark in the figure is: 1-high-level liquid caustic soda tank, 2-liquid caustic soda conveying pipeline, 3-acid-base reservoir liquid caustic soda tank, 4-branch pipeline, 5-concentration tank, 6-first valve, 7-second valve, 8-third valve, 9-heating circulation concentration tank, 10-circulation pipeline and 11-fourth valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
In the present embodiment, the data used is the preferred scheme, but is not used to limit the present invention.
Example 1
As shown in fig. 1, the embodiment provides a smelting device suitable for leaching rare earth in a low-temperature environment, which includes a plurality of high-level liquid caustic soda tanks, and a liquid caustic soda conveying pipeline is provided, through which the high-level liquid caustic soda tanks are connected with an acid-base reservoir liquid caustic soda tank to convey liquid caustic soda, the high-level liquid caustic soda tanks are connected with the acid-base reservoir liquid caustic soda tank through the liquid caustic soda conveying pipeline, branch pipelines are provided on the liquid caustic soda conveying pipeline, the branch pipelines are connected with a concentration tank, and the concentration tank generates steam condensate water;
the liquid caustic soda conveying pipeline is provided with a first valve, the first valve controls the high-level liquid caustic soda tank to convey liquid caustic soda to the liquid caustic soda conveying pipeline, the first valve is closed, steam condensate water generated by the concentration tank flows into the liquid caustic soda conveying pipeline through the branch pipeline, the steam condensate water washes the inside of the liquid caustic soda conveying pipeline with hot water, and liquid caustic soda solution or liquid caustic soda part inside the liquid caustic soda conveying pipeline is crystallized and washed back into the liquid caustic soda tank of the acid-base storage.
In this embodiment, three 2.5m 3 The high-level liquid caustic soda tank is preferably connected with a tee joint one meter close to the first high-level liquid caustic soda tank, and the tee joint is connected with a branch pipeline. The concentration tank provides steam condensate water, and is connected with a concentration Buddhist sound pipe to generate the steam condensate water; and a first valve, a second valve and a third valve are arranged by taking the tee joint as a center to control the conveying of the liquid caustic soda and the conveying of the steam condensate.
In this embodiment, after the conveying of the caustic soda liquid is completed, the second valve and the third valve are opened, the first valve is closed, the steam condensate at 50 to 60 ℃ is subjected to hot water flushing through the inside of the caustic soda liquid conveying pipeline, the residual caustic soda liquid or part of the caustic soda liquid in the pipeline is crystallized and flushed back to the caustic soda liquid tank of the acid-base reservoir, and the second valve is closed in time.
Preferably, the capacity of an acid-base library liquid-base tank is set to be 96m 3 The diameter of the liquid caustic soda conveying pipeline is 5cm, the liquid caustic soda conveying pipeline is calculated according to sixty meters of the total length of the conveying pipeline, the liquid caustic soda conveying pipeline is washed once, and the volume of condensed water entering a liquid caustic soda tank of the acid-base reservoir is 0.11775m 3 The volume of condensed water enters 96m 3 The concentration of (2) in the liquid caustic soda storage tank is about 50%, and the influence on the concentration of the liquid caustic soda is very small. The equipment is improved under the condition of not influencing the concentration of the liquid caustic soda, and the liquid caustic soda conveying pipeline is ensured to be internally provided with the liquid caustic sodaNo liquid alkali residue.
In this embodiment, the branch pipeline is provided with the tee bend with liquid caustic soda pipeline junction, and branch pipeline intercommunication department forms liquid caustic soda pipeline's anterior segment pipeline and back end pipeline, sets up first valve on liquid caustic soda pipeline's the anterior segment pipeline, sets up the third valve on liquid caustic soda pipeline's the back end pipeline, and the third valve control liquid caustic soda pipeline carries the flow of liquid caustic soda or controls the branch pipeline and carries the flow of steam condensate.
In this embodiment, in the liquid caustic soda conveying pipeline cleaning process, the first valve is closed, and the steam condensate is placed to flow into the high-level liquid caustic soda tank. Furthermore, a second valve is arranged on the branch pipeline and used for controlling the steam condensate water to flow to the liquid alkali conveying pipeline, so that the steam condensate water is not involved in the normal alkali conveying process.
Example 2
As shown in fig. 1, the embodiment provides a smelting device suitable for leaching rare earth in a low-temperature environment, which includes a plurality of high-level liquid caustic soda tanks, and a liquid caustic soda conveying pipeline is provided, through which the high-level liquid caustic soda tanks are connected with an acid-base reservoir liquid caustic soda tank to convey liquid caustic soda, the high-level liquid caustic soda tanks are connected with the acid-base reservoir liquid caustic soda tank through the liquid caustic soda conveying pipeline, branch pipelines are provided on the liquid caustic soda conveying pipeline, the branch pipelines are connected with a concentration tank, and the concentration tank generates steam condensate water;
the liquid alkali conveying pipeline is provided with a first valve, the first valve controls the high-level liquid alkali tank to convey liquid alkali to the liquid alkali conveying pipeline, the first valve is closed, steam condensate water generated by the concentration tank flows into the liquid alkali conveying pipeline through a branch pipeline, the steam condensate water washes the inside of the liquid alkali conveying pipeline with hot water, and liquid alkali solution or liquid alkali part inside the liquid alkali conveying pipeline is crystallized and washed back into the liquid alkali tank of the acid-base storage.
In this embodiment, the first valve, the second valve and the third valve are electromagnetic valves, the smelting equipment comprises a control system, and the control system controls the opening and closing and the flow of the first valve, the second valve and the third valve; the purpose of electric control is realized, and in the normal use process, the control system controls the second valve to close, opens the first valve and the third valve and carries out normal conveying of the liquid caustic soda; and in the cleaning process of the steam condensate water in the concentration tank, closing the first valve, opening the second valve and the third valve, and washing the liquid caustic soda solution or the liquid caustic soda part in the pipeline by using the steam condensate water.
In this embodiment, in liquid caustic soda transportation process in winter, because the situation of change of temperature is different, the comparatively serious condition of crystallization can appear in a certain department or a certain section of liquid caustic soda pipeline, because liquid caustic soda pipeline is whole longer, carry the steam condensate water for a long time and can cause great energy consumption, so be provided with the concentrated pond of heating cycle, set up the back end pipeline of circulating line connection liquid caustic soda pipeline on the concentrated pond of heating cycle, the concentrated pond of heating cycle continuously heats, provide endless steam condensate water, the back end pipeline single position that acts on liquid caustic soda pipeline.
Furthermore, the first valve, the second valve and the third valve are closed through a control system, a connector is formed in the liquid caustic soda conveying pipeline and connected with the circulating pipeline, the fourth valve is opened, and the serious crystallization part is independently treated by heating circulating steam condensate water generated by the circulating concentration tank, so that energy loss is reduced.
The above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The smelting equipment suitable for rare earth leaching in the low-temperature environment comprises a plurality of high-level liquid alkali tanks (1) and a liquid alkali conveying pipeline (2), wherein the high-level liquid alkali tanks (1) are connected with an acid-base library liquid alkali tank (3) through the liquid alkali conveying pipeline (2) to convey liquid alkali, and is characterized in that the high-level liquid alkali tanks (1) are connected with the acid-base library liquid alkali tank (3) through the liquid alkali conveying pipeline (2), branch pipelines (4) are arranged on the liquid alkali conveying pipeline (2), the branch pipelines (4) are connected with a concentration pool (5), and the concentration pool (5) generates steam condensate water;
be provided with first valve (6) on liquid caustic soda pipeline (2), first valve (6) control high-order liquid caustic soda jar (1) carries the liquid caustic soda to liquid caustic soda pipeline (2), closes first valve (6), and the steam condensate water that concentrated pond (5) produced flows into liquid caustic soda pipeline (2) through lateral conduit (4), steam condensate water carries out hot water washing to liquid caustic soda pipeline (2) inside, washes back acid-base storehouse liquid caustic soda jar (3) with the inside liquid caustic soda solution of liquid caustic soda pipeline (2) or the crystallization of liquid caustic soda part.
2. Smelting plant suitable for rare earth leaching in a cryogenic environment according to claim 1, characterized in that a second valve (7) is arranged on the branch conduit (4), the second valve (7) controlling the steam condensate flow to the liquid caustic conveying conduit (2).
3. The smelting equipment suitable for rare earth leaching under the low-temperature environment according to claim 2, wherein a tee joint is arranged at the joint of the branch pipeline (4) and the liquid caustic soda conveying pipeline (2), a front-section pipeline and a rear-section pipeline of the liquid caustic soda conveying pipeline (2) are formed at the joint of the branch pipeline (4) and the liquid caustic soda conveying pipeline (2), a first valve (6) is arranged on the front-section pipeline of the liquid caustic soda conveying pipeline (2), a third valve (8) is arranged on the rear-section pipeline of the liquid caustic soda conveying pipeline (2), and the third valve (8) controls the flow of liquid caustic soda conveyed by the liquid caustic soda conveying pipeline (2) or controls the flow of steam condensate conveyed by the branch pipeline (4).
4. The metallurgical plant suitable for rare earth leaching in a low temperature environment according to claim 3, wherein the first valve (6), the second valve (7) and the third valve (8) are solenoid valves, and the metallurgical plant comprises a control system that controls the opening and closing and the flow of the first valve (6), the second valve (7) and the third valve (8).
5. The smelting equipment suitable for rare earth leaching under the low-temperature environment according to claim 4, wherein the smelting equipment comprises a heating circulation concentration tank (9), a circulation pipeline (10) is arranged on the heating circulation concentration tank (9) and is connected with a rear pipeline of the liquid caustic soda conveying pipeline (2), and the heating circulation concentration tank (9) is continuously heated to provide circulating steam condensate to act on a single position of the rear pipeline of the liquid caustic soda conveying pipeline (2).
6. Smelting equipment suitable for rare earth leaching in low temperature environment according to claim 1 or 5, characterized in that the steam condensate has a temperature of 50-60 ℃ and the liquid caustic soda delivery pipe (2) is set to have a diameter of 4-6cm.
7. The smelting equipment suitable for rare earth leaching under the low-temperature environment according to claim 5, wherein a fourth valve (11) is arranged on the circulating pipeline (10), and the fourth valve (11) controls the heating circulating concentration tank (9) to circularly convey steam condensate to the rear pipeline of the liquid caustic soda conveying pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222549294.6U CN218532159U (en) | 2022-09-26 | 2022-09-26 | Smelting equipment suitable for rare earth leaching under low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222549294.6U CN218532159U (en) | 2022-09-26 | 2022-09-26 | Smelting equipment suitable for rare earth leaching under low-temperature environment |
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| Publication Number | Publication Date |
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| CN218532159U true CN218532159U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222549294.6U Active CN218532159U (en) | 2022-09-26 | 2022-09-26 | Smelting equipment suitable for rare earth leaching under low-temperature environment |
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| CN (1) | CN218532159U (en) |
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- 2022-09-26 CN CN202222549294.6U patent/CN218532159U/en active Active
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Address after: 615600 Rare Earth Industrial Park, Fuxing Town, Mianning County, Liangshan Yi Autonomous Prefecture, Sichuan Province Patentee after: Zhongxi (Liangshan) Rare Earth Co.,Ltd. Address before: 615600 Rare Earth Industrial Park, Fuxing Town, Mianning County, Liangshan Yi Autonomous Prefecture, Sichuan Province Patentee before: SICHUAN JCC RARE EARTH METALS CO.,LTD. |