CN219823691U - System for solving scab of forced effect heating device - Google Patents
System for solving scab of forced effect heating device Download PDFInfo
- Publication number
- CN219823691U CN219823691U CN202320517075.1U CN202320517075U CN219823691U CN 219823691 U CN219823691 U CN 219823691U CN 202320517075 U CN202320517075 U CN 202320517075U CN 219823691 U CN219823691 U CN 219823691U
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- CN
- China
- Prior art keywords
- pipe
- heating device
- separation chamber
- circulating
- forced
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 206010039509 Scab Diseases 0.000 title claims abstract description 11
- 230000000694 effects Effects 0.000 title description 16
- 238000000926 separation method Methods 0.000 claims abstract description 27
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 claims description 12
- 230000037390 scarring Effects 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 19
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 9
- 208000032544 Cicatrix Diseases 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 231100000241 scar Toxicity 0.000 abstract description 2
- 230000037387 scars Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000004131 Bayer process Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model discloses a system for solving scab of a forced heating device, which comprises a feeding pipe of sodium aluminate solution, wherein the feeding pipe is sequentially connected with the heating device and a separation chamber, the upper end and the lower end of the separation chamber are respectively provided with a steam exhaust pipe and a circulating pipe for circulating materials to the upper part of the separation chamber, the circulating pipe is provided with a circulating pump, and the lower part of the separation chamber is provided with a discharging pipe; the utility model can avoid the precipitation of sodium carbonate to form scars on the heating device and improve the forced effective operation efficiency.
Description
Technical Field
The utility model relates to a system for solving the scab of a forced effect heating device, and belongs to the technical field of salt removal in alumina production.
Background
In the process of producing alumina by the Bayer process, part of sodium aluminate solution needs to be heated, evaporated and concentrated by forced effect, and salt is discharged after systematic carbon is crystallized and separated out in a sodium carbonate form, so that the purpose of reducing systematic carbon alkali is achieved, and the forced effect is key equipment for discharging salt in the production of alumina. The traditional forced effective operation mode is that sodium aluminate solution to be subjected to salt removal is fed into a separation chamber, is conveyed to a heating device through a circulating pump at the bottom of the separation chamber and then is fed into the separation chamber again after being heated, and is continuously pumped and circulated through the circulating pump in the separation chamber and the heating device, and in the circulation process, scabs are formed on the heating device due to precipitation of sodium carbonate in the circulation process, so that the forced effect heat exchange effect is reduced, the heating device is seriously blocked, and the forced effect operation efficiency is greatly reduced.
Namely: there is a need for a forced effect system for alumina production, which can prevent precipitated sodium carbonate from forming scars on a heating device and improve forced effect operation efficiency.
Disclosure of Invention
Therefore, the utility model aims to provide a system for solving the problem of scab of the forced-effect heating device, which can prevent precipitated sodium carbonate from forming scab on the heating device and improve the forced-effect operation efficiency; can overcome the defects of the prior art.
The utility model aims at realizing the following technical scheme:
the utility model discloses a system for solving scab of a forced heating device, which comprises a feeding pipe of sodium aluminate solution, wherein the feeding pipe is sequentially connected with the heating device and a separation chamber, the upper end and the lower end of the separation chamber are respectively provided with a steam exhaust pipe and a circulating pipe for circulating materials to the upper part of the separation chamber, the circulating pipe is provided with a circulating pump, and the lower part of the separation chamber is provided with a discharging pipe.
The feeding pump is arranged on the feeding pipe.
The feeding pipe is provided with a flowmeter.
The circulating pipe is provided with a concentration measuring device.
The discharging pipe is connected with a salt discharging sedimentation tank.
Compared with the prior art, the utility model has the beneficial effects that:
1. the traditional forced effect is that the sodium aluminate solution needing to be subjected to salt elimination is continuously heated, evaporated and crystallized and separated out of sodium carbonate in a heating device and a separation chamber, and the separated sodium carbonate is subjected to scarring in the heating device; the novel evaporation forcing is to heat the sodium aluminate solution by using the heating device, the evaporation, sodium carbonate crystallization and circulation processes are completed in the separation chamber, so that sodium carbonate is not precipitated in the heating device, the formation of scabs of sodium carbonate in the heating device is avoided, the heating effect of the heating device is ensured, and the forced operation efficiency is improved.
2. The sodium aluminate solution directly enters the heating device for heating and then enters the separation chamber, so that the novel evaporation forced effect is utilized for salt elimination, the forced effect operation period is improved, and the forced effect cleaning cost is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a connection structure according to the present utility model.
Wherein, the feeding pipe 1; a heating device 2; a separation chamber 3; a dead steam pipe 4; a circulation pipe 5; a circulation pump 6; a discharge pipe 7; and a feed pump 8.
Detailed Description
Hereinafter, preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
As shown in figure 1, the system for solving the scab of the forced effect heating device comprises a feeding pipe 1 for sodium aluminate solution, a heating device 2, a separation chamber 3, a steam exhaust pipe 4, a circulating pipe 5, a circulating pump 6, a discharging pipe 7 and a feeding pump 8, wherein the feeding pipe 1 is provided with the feeding pump 8 and a flowmeter, the feeding pipe 1 is sequentially connected with the heating device 2 and the separation chamber 3, the heating device 2 increases the heating area of the heating device 2 by increasing the diameter of the heating device and the like, the flow rate of the solution is reduced, the sodium aluminate solution is fully heated, the upper end and the lower end of the separation chamber 3 are respectively provided with the steam exhaust pipe 4 and the circulating pipe 5 for circulating materials to the upper part of the separation chamber 3, the circulating pipe 5 is provided with the circulating pump 6, and the circulating pipe 5 is provided with a concentration measuring device, so that the part is delivered to a salt discharging sedimentation tank for salt discharging after the concentration reaches the requirement by measuring the concentration of the circulating solution; a discharging pipe 7 is arranged at the lower part of the separation chamber 3; the discharging pipe 7 is connected with a salt discharging sedimentation tank.
When the device is used, the sodium aluminate solution is heated by the heating device 2, the heated sodium aluminate solution enters the separation chamber 3, and the sodium aluminate solution circulates in the separation chamber 3 by the circulating pipe 5 and the circulating pump 6, in the process, part of the solution is continuously evaporated by the exhaust steam pipe 4, so that the concentration of the sodium aluminate solution meets the requirement of salt discharge.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variations and modification made to the above embodiment according to the technical matter of the present utility model without departing from the technical scope of the present utility model still fall within the scope of the technical scheme of the present utility model.
Claims (5)
1. A system for solving the scab of a forced heating device, comprising a feed pipe (1) for sodium aluminate solution, characterized in that: the feeding pipe (1) is sequentially connected with the heating device (2) and the separation chamber (3), the upper end and the lower end of the separation chamber (3) are respectively provided with a steam exhaust pipe (4) and a circulating pipe (5) for circulating materials to the upper part of the separation chamber (3), the circulating pipe (5) is provided with a circulating pump (6), and the lower part of the separation chamber (3) is provided with a discharging pipe (7).
2. The system for addressing scarring of a forced heating apparatus of claim 1, further comprising: a feed pump (8) is arranged on the feed pipe (1).
3. The system for addressing scarring of a forced heating apparatus of claim 1, further comprising: a flowmeter is arranged on the feeding pipe (1).
4. The system for addressing scarring of a forced heating apparatus of claim 1, further comprising: the circulating pipe (5) is provided with a concentration measuring device.
5. A system for addressing scarring of forced induction heating apparatus as set forth in any of claims 1-4, further comprising: the discharging pipe (7) is connected with a salt discharging sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320517075.1U CN219823691U (en) | 2023-03-17 | 2023-03-17 | System for solving scab of forced effect heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320517075.1U CN219823691U (en) | 2023-03-17 | 2023-03-17 | System for solving scab of forced effect heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823691U true CN219823691U (en) | 2023-10-13 |
Family
ID=88249689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320517075.1U Active CN219823691U (en) | 2023-03-17 | 2023-03-17 | System for solving scab of forced effect heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823691U (en) |
-
2023
- 2023-03-17 CN CN202320517075.1U patent/CN219823691U/en active Active
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