CN102180432A - Three-channel alkali liquor distributor - Google Patents
Three-channel alkali liquor distributor Download PDFInfo
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- CN102180432A CN102180432A CN201110041422XA CN201110041422A CN102180432A CN 102180432 A CN102180432 A CN 102180432A CN 201110041422X A CN201110041422X A CN 201110041422XA CN 201110041422 A CN201110041422 A CN 201110041422A CN 102180432 A CN102180432 A CN 102180432A
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- alkali liquor
- pipe
- alkali
- alkali lye
- steam
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Abstract
The invention relates to a three-channel alkali liquor distributor. The three-channel alkali liquor distributor adopts a technical scheme that: a cylinder body, a top plate and a bottom plate are welded together to form a closed tank; the top plate is provided with an alkali liquor inlet pipe, and the bottom plate is provided with three alkali liquor outlet pipes; a molten salt pipe coil and a steam pipe coil are arranged outside the tank, and the steam pipe coil is clung to the molten salt pipe coil; the wall of the tank is provided with a manhole, a thermometer interface, a nitrogen inlet and three steam sweeping pipes; the lower part of the tank is divided into three cavities by using a division plate, each cavity corresponds to one alkali liquor outlet pipe, the three steam sweeping pipes correspond to the three alkali liquor outlet pipes respectively, and each steam sweeping pipe is concentric with the corresponding alkali liquor outlet pipe; and an alkali liquor overflow cylinder is arranged in the tank, the lower end of the alkali liquor inlet pipe extends into the alkali liquor overflow cylinder, the alkali liquor overflow cylinder is provided with an outlet, and a rotating device passes through the bottom plate and is connected with the alkali liquor overflow cylinder. The three-channel alkali liquor distributor is easy to maintain, is safe and stable to operate, and has a long service life, and the molten alkali liquor can be switched at any time according to production requirements.
Description
Technical field
The invention relates to the adjustment by wheel word at high temperature of a kind of molten caustic soda, change the distribution device that molten caustic soda flows to, this device can use with granulation tower, flake caustic unit, dissolving tank, this device of alkali lye process back is according to whole device production demand, both can remove the liquid caustic soda of dissolving tank preparation 50%, also can remove flake caustic unit film-making alkali, can also remove granulation tower granulation alkali.
Background technology
Along with domestic alkali, grain alkali are used the increasing that consumes, the demand of molten caustic soda increases thereupon; But existing facilities fail guarantees to adjust the flow direction of molten caustic soda at any time, to produce different products in the process that serialization is produced.Therefore the device that needs a kind of optimization, link to each other with granulation tower, flake caustic unit, dissolving tank simultaneously and use, not only guarantee the macrocyclic operation of equipment, enhance productivity, and can adjust the flow direction of molten caustic soda at any time according to the demand of producing, both can remove the liquid caustic soda of dissolving tank preparation 50%, also can remove flake caustic unit film-making alkali, can also remove granulation tower granulation alkali.
Summary of the invention:
In order to address the above problem, the invention provides a kind of cost low, can use with granulation tower, flake caustic unit, dissolving tank, adjusts the triple channel alkali liquor allocator that molten caustic soda flows at any time according to the demand of producing.
The technical scheme that the invention is adopted is: a kind of triple channel alkali liquor allocator is characterized in that: cylindrical shell, top board and base plate are welded to form an airtight tank body; The alkali liquor inlet pipe is set on the top board, three alkali lye outlet pipes are set on the base plate; Tank body outer setting fused salt coil pipe and steam coils, steam coils is close to the fused salt coil pipe; Manhole, thermometer boss, nitrogen inlet and three steam blowing pipes are set on the tank wall; The bottom adopts dividing plate that the tank body bottom is divided into three cavitys in the tank body, the corresponding alkali lye outlet pipe of each cavity, and three respectively corresponding three alkali lye outlet pipes of steam blowing pipe, and every steam blowing pipe is concentric with cooresponding alkali lye outlet pipe; The alkali lye overflow cylinder is set in the tank body, and the lower end of alkali liquor inlet pipe is stretched in the alkali lye overflow cylinder, and the alkali lye overflow cylinder is provided with outlet, and wheel word passes base plate and is connected with the alkali lye overflow cylinder.
In order to reduce the stress of commissure, top board, base plate adopt flange docking structure and cylindrical shell welding.
After guaranteeing system shutdown, fused salt can flow back to the fused salt storage tank by deadweight, avoids fused salt crystallization blocking pipeline, and the degree of dip of fused salt coil pipe is 3～10 degree, and the degree of dip that also is fused salt coil pipe and horizontal surface is 3～10 degree.
Steady in order to guarantee jar interior molten caustic soda liquid level, the alkali liquor inlet pipe adopts the structure of enlarged to reduce the alkali lye flow velocity, that is: the alkali liquor inlet pipe adopts the step tube structure of lower end diameter greater than upper end diameter.
The key technical indexes such as the table 1 of the invention.
Table 1 the key technical indexes
| Project | In the container | The fused salt coil pipe | Steam coils |
| Maximum working pressure MPa | Normal pressure | 0.5 | 0.2 |
| Design pressure MPa | Normal pressure | 1.0 | -0.1/1.3 |
| Operating temperature (advancing/go out) ℃ | 380 | 430 | 133.5 |
| Design temperature ℃ | 400 | 450 | 160 |
| Medium | 98% alkali lye | Fused salt | Steam |
| Dielectric property | — | — | — |
| |
1 | 1 | 1 |
| Hydraulic pressure test pressure MPa | Full water test | 1.4 | 1.26 |
| AB class weld joint factor | 1.0 | 1.0 | 1.0 |
The beneficial effect of the invention is:
1, the invention relates to a kind of distribution device that guarantees to change in the continuous flow procedure molten caustic soda flow direction, and this device can be used with granulation tower, flake caustic unit, dissolving tank.Use by the triple channel distributing box, can satisfy market to the many-sided demand of product type, use by the triple channel distributing box, can transfer production sheet alkali to being used for a molten caustic soda of alkali production, changed traditional liquid caustic soda production procedure of 50% that transfers to earlier, improve sheet alkali production efficiency on the so very big degree, avoided the more loss of multipotency.
2, the material of this equipment and alkali lye contact portion all adopts the Ni201 material, improves the equipment corrosion stability, prolongs the service life of equipment, guarantees the process units long-term operation.
3, tank body is provided with the heating of fused salt and steam coils outward, and two coil pipes dish side by side paste with tank body and closely on tank body.Steam coils and fused salt coil pipe closely cooperate, and guarantee that the temperature of molten salt in the fused salt coil pipe does not reduce in operational process.By the fused salt coil pipe of dish on tank body is material heating in the jar, prevents the molten caustic soda drop in temperature and crystallisation by cooling.Two coil pipes are installed must certain degree of dip (being not less than 3 °), and when guaranteeing parking or the system failure occurring, fused salt can flow back to the fused salt storage tank by deadweight.
4, every alkali lye outlet pipe all is provided with the steam blowing pipe, and in the anti-locking apparatus docking process, drop in temperature causes fusion alkali lye to be set in the pipe and blocking pipeline in the tank body.
5, under the high temperature, fusion alkali lye has stress corrosion inclination to the Ni201 material, and equipment in the past the area of high stress weld seam often occurs and crackle occurs in operational process.The invention is with top board and base plate and cylindrical shell corner connection form changes top board into and base plate adopts flange docking structure and cylindrical shell welding, avoids the stack of edge peak stress and welding stress.
6, the invention has realized the production domesticization that molten caustic soda triple channel distributing box is made, and is easy to change and maintenance, and safe in operation is stable, long service life, and fusion alkali lye can be changed according to the production demand through behind this device.
Description of drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the birds-eye view of the invention.
Fig. 3 is base plate and cylindrical shell connection diagram.
Among the figure: 1. alkali liquor inlet pipe; 2. top board; 3. manhole; 4. alkali lye overflow cylinder; 5. cylindrical shell; 6. insulation support; 7. base plate; 8. wheel word; 9. bearing; 10. nitrogen inlet; 11. thermometer boss; 12. steam blowing pipe; 13. fused salt coil pipe; 14. steam coils; 15. dividing plate; 16. alkali lye outlet pipe; 17. outlet.
The specific embodiment
As Fig. 1～shown in Figure 3, a kind of triple channel alkali liquor allocator: cylindrical shell (5), top board (2) and base plate (7) are welded to form an airtight tank body.As shown in Figure 3, in order to reduce the stress of commissure, top board (2), base plate (7) adopt the flange docking structure to be connected with cylindrical shell (5); Alkali liquor inlet pipe (1) is set on the top board (2), steady in order to guarantee jar interior molten caustic soda liquid level, the alkali liquor inlet pipe adopts the structure of enlarged to reduce the alkali lye flow velocity, that is: alkali liquor inlet pipe (1) adopts the step tube structure of lower end diameter greater than upper end diameter.Three alkali lye outlet pipes (16) are set on the base plate (7), and alkali lye outlet pipe (16) has certain degree of dip, makes material emptying fully.
Tank body outer setting fused salt coil pipe (13) and steam coils (14) heat, fused salt coil pipe (13) and steam coils (14) material adopt 15CrMo, after guaranteeing system shutdown, fused salt can flow back to the fused salt storage tank by deadweight, avoid fused salt crystallization blocking pipeline, the fused salt coil pipe adopts degree of dip to be not less than 3 degree, and steam coils (14) is close to the fused salt coil pipe, to guarantee the temperature of fused salt in the fused salt coil pipe, be not less than crystallization point.Insulation support (6) is set, with fixing and support fused salt coil pipe (13) and steam coils (14) on the barrel wall.
Manhole (3), thermometer boss (11), nitrogen inlet (10) and three steam blowing pipes (12) are set on the tank wall; Manhole (3) is set, so that to overhauling and change consumable accessory in the equipment, thermometer boss (11) prevents the equipment overheating operation in order to on-line monitoring equipment operation temperature on the tank wall.Device for the alkali steam in the emptying container, is provided with nitrogen inlet (10) after stopping on tank wall, after waiting to stop, adopt nitrogen that the alkali steam in the container is replaced.
The bottom adopts dividing plate (15) that the tank body bottom is divided into three cavitys in the tank body, the corresponding alkali lye outlet pipe (16) of each cavity, three alkali lye outlet pipes (16) lead to three directions (promptly leading to granulation tower, flake caustic unit and dissolving tank respectively) respectively, respectively corresponding three the alkali lye outlet pipes (16) of three steam blowing pipes (12), and every steam blowing pipe (12) is concentric with cooresponding alkali lye outlet pipe (16); After preventing parking, molten caustic soda stops up outlet pipe owing to drop in temperature solidifies, and is provided with three steam blowing mouths (12) on tank wall, and alkali lye outlet pipe of every steam blowing Guan Douyu is corresponding with one heart, during with convenient the parking, purge with the alkali lye of steam to the exit.
Alkali lye overflow cylinder (4) is set in the tank body, and the lower end of alkali liquor inlet pipe (1) is stretched in the alkali lye overflow cylinder (4), and alkali lye overflow cylinder (4) is provided with outlet (17), and wheel word (8) passes base plate (7) and is connected with alkali lye overflow cylinder (4).
Bearing (9) is used for fixing to pretend to know and is contained in (8).
Used material: cylindrical shell (5), top board (2), base plate (7) adopt Ni201, and fused salt coil pipe (13) and steam coils (14) material adopt 15CrMo, and dividing plate (5) is a Ni201 sheet material, and insulation support (6) adopts 06Cr19Ni10.Alkali lye overflow cylinder (4) adopts Ni201, manhole (3), and thermometer boss (11), nitrogen inlet (10), steam blowing pipe (12), material adopts Ni201, and wheel word (8) material is a carbon steel material.
The principle of work of the invention:
Steam coils (14) feeds steam earlier, and fused salt coil pipe (13) is carried out preheating, when fused salt coil pipe (13) reaches steam coils (14) temperature, feeds fused salt, and this fused salt is 360 ℃ of fused salts of temperature.And begin to feed material, molten caustic soda enters alkali lye overflow cylinder (4) through alkali liquor inlet pipe (1), according to production requirement, adjust wheel word (8), alkali lye overflow cylinder (4) rotates, outlet (17) gets final product corresponding different cavitys, alkali lye enters in the different cavitys, thereby change the whereabouts of molten caustic soda, molten caustic soda enters the granulation tower that is attached thereto by the alkali lye outlet pipe, flake caustic unit or dissolving tank, this device of alkali lye process back is according to whole device production demand, both can remove the liquid caustic soda of dissolving tank preparation 50%, also can remove flake caustic unit film-making alkali, can also remove granulation tower granulation alkali.
Claims (4)
1. triple channel alkali liquor allocator, it is characterized in that: cylindrical shell (5), top board (2) and base plate (7) are welded to form an airtight tank body; Alkali liquor inlet pipe (1) is set on the top board (2), three alkali lye outlet pipes (16) are set on the base plate (7); Tank body outer setting fused salt coil pipe (13) and steam coils (14), steam coils (14) is close to fused salt coil pipe (13); Manhole (3), thermometer boss (11), nitrogen inlet (10) and three steam blowing pipes (12) are set on the tank wall; The bottom adopts dividing plate (15) that the tank body bottom is divided into three cavitys in the tank body, the corresponding alkali lye outlet pipe (16) of each cavity, respectively corresponding three the alkali lye outlet pipes (16) of three steam blowing pipes (12), and every steam blowing pipe (12) is concentric with cooresponding alkali lye outlet pipe (16); Alkali lye overflow cylinder (4) is set in the tank body, and the lower end of alkali liquor inlet pipe (1) is stretched in the alkali lye overflow cylinder (4), and alkali lye overflow cylinder (4) is provided with outlet (17), and wheel word (8) passes base plate (7) and is connected with alkali lye overflow cylinder (4).
2. according to the described triple channel alkali liquor allocator of claim 1, it is characterized in that: top board (2), base plate (7) adopt flange docking structure and cylindrical shell (5) welding.
3. according to the described triple channel alkali liquor allocator of claim 1, it is characterized in that: the degree of dip of fused salt coil pipe (13) is 3～10 degree.
4. according to the described triple channel alkali liquor allocator of claim 1, it is characterized in that: alkali liquor inlet pipe (1) adopts the step tube structure of lower end diameter greater than upper end diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110041422XA CN102180432B (en) | 2011-02-21 | 2011-02-21 | Three-channel alkali liquor distributor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110041422XA CN102180432B (en) | 2011-02-21 | 2011-02-21 | Three-channel alkali liquor distributor |
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| Publication Number | Publication Date |
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| CN102180432A true CN102180432A (en) | 2011-09-14 |
| CN102180432B CN102180432B (en) | 2012-11-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910650A (en) * | 2012-09-29 | 2013-02-06 | 新疆天业（集团）有限公司 | Lye dispenser |
| CN103359761A (en) * | 2013-06-28 | 2013-10-23 | 张家港化工机械股份有限公司 | Alkali solution distribution device for concentrating caustic soda and flaky caustic soda |
| CN107854925A (en) * | 2017-11-17 | 2018-03-30 | 合肥合意环保机电装备制造有限公司 | A kind of sack cleaner automatically cleaning conveyance conduit |
| CN110040747A (en) * | 2019-05-10 | 2019-07-23 | 张健 | Alkali liquor allocator |
| CN112058825A (en) * | 2020-08-20 | 2020-12-11 | 天伟化工有限公司 | Automatic control method for pipeline purging in caustic soda production |
Citations (5)
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| JP2002048782A (en) * | 2000-05-26 | 2002-02-15 | Shimadzu Corp | Metering/feeding mechanism of aqueous solution for analysis and water quality analyzer using the same |
| WO2007106994A1 (en) * | 2006-03-20 | 2007-09-27 | Ravi Solution Inc. | Liquid cooling and dispensing device |
| CN101428824A (en) * | 2008-12-09 | 2009-05-13 | 沈阳东方钛业有限公司 | Apparatus for concentrating and refining alkaline liquor |
| CN101956969A (en) * | 2010-10-19 | 2011-01-26 | 中山大学 | Fused salt coil tube type steam generation method and device |
| CN201952242U (en) * | 2011-02-21 | 2011-08-31 | 沈阳东方钛业有限公司 | Three-channel alkali liquor distributor |
-
2011
- 2011-02-21 CN CN201110041422XA patent/CN102180432B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002048782A (en) * | 2000-05-26 | 2002-02-15 | Shimadzu Corp | Metering/feeding mechanism of aqueous solution for analysis and water quality analyzer using the same |
| WO2007106994A1 (en) * | 2006-03-20 | 2007-09-27 | Ravi Solution Inc. | Liquid cooling and dispensing device |
| CN101428824A (en) * | 2008-12-09 | 2009-05-13 | 沈阳东方钛业有限公司 | Apparatus for concentrating and refining alkaline liquor |
| CN101956969A (en) * | 2010-10-19 | 2011-01-26 | 中山大学 | Fused salt coil tube type steam generation method and device |
| CN201952242U (en) * | 2011-02-21 | 2011-08-31 | 沈阳东方钛业有限公司 | Three-channel alkali liquor distributor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910650A (en) * | 2012-09-29 | 2013-02-06 | 新疆天业（集团）有限公司 | Lye dispenser |
| CN103359761A (en) * | 2013-06-28 | 2013-10-23 | 张家港化工机械股份有限公司 | Alkali solution distribution device for concentrating caustic soda and flaky caustic soda |
| CN103359761B (en) * | 2013-06-28 | 2015-04-15 | 张家港化工机械股份有限公司 | Alkali solution distribution device for concentrating caustic soda and flaky caustic soda |
| CN107854925A (en) * | 2017-11-17 | 2018-03-30 | 合肥合意环保机电装备制造有限公司 | A kind of sack cleaner automatically cleaning conveyance conduit |
| CN110040747A (en) * | 2019-05-10 | 2019-07-23 | 张健 | Alkali liquor allocator |
| CN112058825A (en) * | 2020-08-20 | 2020-12-11 | 天伟化工有限公司 | Automatic control method for pipeline purging in caustic soda production |
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| Publication number | Publication date |
|---|---|
| CN102180432B (en) | 2012-11-07 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Xianjun Inventor after: Tian Xiaojun Inventor after: Zhang Hongjun Inventor after: Kong Qingtang Inventor after: Jia Min Inventor after: Huang Qi Inventor before: Liang Xianjun Inventor before: Tian Xiaojun Inventor before: Zhang Hongjun Inventor before: Kong Qingtang Inventor before: Jia Min Inventor before: Huang Qi |
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Address after: 110000 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 2 Patentee after: Shenyang Orient Titanium Industry Co., Ltd. Address before: 110168 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 2 Patentee before: Shenyang Orient Titanium Industry Co., Ltd. |