CN207734989U - Neutralization device for anhydrous sodium sulfite production - Google Patents
Neutralization device for anhydrous sodium sulfite production Download PDFInfo
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- CN207734989U CN207734989U CN201721774640.3U CN201721774640U CN207734989U CN 207734989 U CN207734989 U CN 207734989U CN 201721774640 U CN201721774640 U CN 201721774640U CN 207734989 U CN207734989 U CN 207734989U
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- neutralization
- stirring
- stirring shaft
- lye
- feed pipe
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- 238000006386 neutralization reaction Methods 0.000 title claims abstract description 60
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 229940101006 anhydrous sodium sulfite Drugs 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 56
- 238000003860 storage Methods 0.000 claims abstract description 10
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 7
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 34
- 239000000463 material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 229940001482 sodium sulfite Drugs 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
本实用新型涉及一种用于无水亚硫酸钠生产的中和装置，包括中和釜，中和釜顶部设有入料口和观察口，底部设有碱液进料管，内部设有沿其轴线进行延伸的搅拌轴，入料口通过入料管连接亚硫酸氢钠储槽，入料管上设有第一控制阀和第一流量计，碱液进料管一端通过旋转接头连接搅拌轴底部，另一端通过碱液泵连接碱液储槽，碱液进料管上设有第二控制阀和第二流量计；搅拌轴由电机进行驱动，搅拌轴下部设有U型搅拌桨，搅拌轴和U型搅拌桨上均开设有布液孔，中和釜内部在水平方向上设有分隔板。本实用新型的用于无水亚硫酸钠生产的中和装置采用自动化控制进料和出料，保证中和反应过程的效率和安全性，且搅拌效率高，搅拌均匀性好，实现生产效率的最大化。
The utility model relates to a neutralization device used for the production of anhydrous sodium sulfite, which comprises a neutralization kettle, the top of the neutralization kettle is provided with a feed port and an observation port, the bottom is provided with a lye feed pipe, and the interior is provided with a Extended stirring shaft, the feed port is connected to the sodium bisulfite storage tank through the feed pipe, the feed pipe is provided with a first control valve and a first flow meter, and one end of the lye feed pipe is connected to the bottom of the stir shaft through a rotary joint , the other end is connected to the lye storage tank through the lye pump, and the lye feed pipe is provided with a second control valve and a second flow meter; the stirring shaft is driven by a motor, and the lower part of the stirring shaft is provided with a U-shaped stirring paddle, and the stirring shaft There are liquid distribution holes on the and U-shaped stirring paddles, and there are partition plates in the horizontal direction inside the neutralization kettle. The neutralization device used in the production of anhydrous sodium sulfite of the utility model adopts automatic control of feeding and discharging to ensure the efficiency and safety of the neutralization reaction process, and has high stirring efficiency and good stirring uniformity to realize the maximization of production efficiency .
Description
技术领域technical field
本实用新型涉及无水亚硫酸钠生产设备领域，尤其涉及一种用于无水亚硫酸钠生产的中和装置。The utility model relates to the field of anhydrous sodium sulfite production equipment, in particular to a neutralization device used for the production of anhydrous sodium sulfite.
背景技术Background technique
无水亚硫酸钠生产过程中需要采用中和釜对亚硫酸氢钠与氢氧化钠进行中和反应。目前，大多数中和釜大都搅拌效率低下，搅拌均匀性差，导致局部溶液pH变化不均匀，且难以精确控制添加量，导致反应效率低下。In the production process of anhydrous sodium sulfite, it is necessary to use a neutralization kettle to neutralize sodium bisulfite and sodium hydroxide. At present, most neutralization tanks have low stirring efficiency and poor stirring uniformity, resulting in uneven pH changes in local solutions, and it is difficult to accurately control the amount of addition, resulting in low reaction efficiency.
因此有必要设计一种用于无水亚硫酸钠生产的中和装置，以克服上述问题。Therefore it is necessary to design a kind of neutralization device for the production of anhydrous sodium sulfite to overcome the above problems.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术之缺陷，提供了一种控制精准、反应效率高的用于无水亚硫酸钠生产的中和装置。The purpose of the utility model is to overcome the defects of the prior art and provide a neutralization device for the production of anhydrous sodium sulfite with precise control and high reaction efficiency.
本实用新型是这样实现的：The utility model is achieved in that:
本实用新型提供一种用于无水亚硫酸钠生产的中和装置，包括中和釜，中和釜顶部设有入料口和观察口，底部设有碱液进料管，内部设有沿其轴线进行延伸的搅拌轴，入料口通过入料管连接亚硫酸氢钠储槽，入料管上设有第一控制阀和第一流量计，碱液进料管一端通过旋转接头连接搅拌轴底部，另一端通过碱液泵连接碱液储槽，碱液进料管上设有第二控制阀和第二流量计，第一控制阀、第一流量计、第二控制阀和第二流量计均与控制单元连接；搅拌轴由设置在中和釜外部的电机进行驱动，搅拌轴下部设有U型搅拌桨，搅拌轴和U型搅拌桨上均开设有布液孔，中和釜内部在水平方向上设有分隔板，分隔板通过连杆连接设置在中和釜顶部的气缸的活塞杆。The utility model provides a neutralization device for the production of anhydrous sodium sulfite, which comprises a neutralization kettle, the top of the neutralization kettle is provided with a feed port and an observation port, the bottom is provided with a lye feed pipe, and the interior is provided with a Extended stirring shaft, the feed port is connected to the sodium bisulfite storage tank through the feed pipe, the feed pipe is provided with a first control valve and a first flow meter, and one end of the lye feed pipe is connected to the bottom of the stir shaft through a rotary joint , the other end is connected to the lye storage tank through the lye pump, the lye feed pipe is provided with a second control valve and a second flowmeter, the first control valve, the first flowmeter, the second control valve and the second flowmeter Both are connected with the control unit; the stirring shaft is driven by the motor installed outside the neutralization tank, and the lower part of the stirring shaft is equipped with a U-shaped stirring paddle, and there are liquid distribution holes on the stirring shaft and the U-shaped paddle, and the inside of the neutralization tank is A dividing plate is arranged in the horizontal direction, and the dividing plate is connected with the piston rod of the cylinder arranged on the top of the neutralization kettle through a connecting rod.
进一步地，中和釜外壁设有夹套，内壁设有陶瓷层。Further, the outer wall of the neutralization kettle is provided with a jacket, and the inner wall is provided with a ceramic layer.
进一步地，中和釜下部的内侧壁上设有pH计，pH计与控制单元连接。Further, a pH meter is provided on the inner wall of the lower part of the neutralization tank, and the pH meter is connected with the control unit.
进一步地，中和釜底部的出料口通过循环泵与中和釜内部连通。Further, the outlet at the bottom of the neutralization tank communicates with the inside of the neutralization tank through a circulating pump.
进一步地，第二控制阀为单向阀。Further, the second control valve is a one-way valve.
进一步地，U型搅拌桨上水平设置支撑杆，支撑杆中部固定在搅拌轴上，搅拌轴下部圆周面上设有多个安装杆，安装杆远离搅拌轴的一侧设置搅拌杆，搅拌杆通过铰接轴与安装杆铰接。Further, a support rod is arranged horizontally on the U-shaped stirring paddle, the middle part of the support rod is fixed on the stirring shaft, and a plurality of installation rods are arranged on the circumferential surface of the lower part of the stirring shaft. The hinge shaft is hinged with the mounting rod.
本实用新型具有如下有益效果：The utility model has the following beneficial effects:
本实用新型的用于无水亚硫酸钠生产的中和装置采用自动化控制进料和出料，保证中和反应过程的效率和安全性，且搅拌效率高，搅拌均匀性好，实现生产效率的最大化。The neutralization device used in the production of anhydrous sodium sulfite of the utility model adopts automatic control of feeding and discharging to ensure the efficiency and safety of the neutralization reaction process, and has high stirring efficiency and good stirring uniformity to realize the maximization of production efficiency .
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1是本实用新型提供的用于无水亚硫酸钠生产的中和装置的结构示意图。Fig. 1 is the structural representation of the neutralization device for the production of anhydrous sodium sulfite provided by the utility model.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
如图1所示，本实用新型的用于无水亚硫酸钠生产的中和装置，包括中和釜1，中和釜1顶部设有入料口11和观察口，底部设有碱液进料管4，内部设有沿其轴线进行延伸的搅拌轴2。入料口11通过入料管5连接亚硫酸氢钠储槽51，入料管5上设有第一控制阀52和第一流量计53，碱液进料管4一端通过旋转接头41连接搅拌轴2底部，另一端通过碱液泵42连接碱液储槽45，碱液进料管4上设有第二控制阀43和第二流量计44，第一控制阀52、第一流量计53、第二控制阀43和第二流量计44均与控制单元连接，以根据中和釜1内部情况自动控制进料。As shown in Figure 1, the neutralization device used for the production of anhydrous sodium sulfite of the present utility model comprises a neutralization kettle 1, and the top of the neutralization kettle 1 is provided with a feeding port 11 and an observation port, and the bottom is provided with a lye feed pipe 4. There is a stirring shaft 2 extending along its axis inside. Feed inlet 11 is connected to sodium bisulfite storage tank 51 by feed pipe 5, is provided with first control valve 52 and first flowmeter 53 on feed pipe 5, and lye feed pipe 4 one ends are connected by rotary joint 41 and stir The bottom of the shaft 2, the other end is connected to the lye storage tank 45 by the lye pump 42, the lye feed pipe 4 is provided with the second control valve 43 and the second flowmeter 44, the first control valve 52, the first flowmeter 53 , the second control valve 43 and the second flow meter 44 are all connected with the control unit to automatically control the feeding according to the internal conditions of the neutralization tank 1 .
搅拌轴2由设置在中和釜1外部的电机21进行驱动，搅拌轴2下部设有U型搅拌桨22，搅拌轴2和U型搅拌桨22上均开设有布液孔23，碱液加入后又布液孔23分散流出，便于物料混合和反应。中和釜1内部在水平方向上设有分隔板3，分隔板3通过连杆31连接设置在中和釜1顶部的气缸32的活塞杆，改善下料速率。分隔板3上还设有导流孔。The stirring shaft 2 is driven by the motor 21 arranged on the outside of the neutralization kettle 1. The lower part of the stirring shaft 2 is provided with a U-shaped stirring paddle 22. Both the stirring shaft 2 and the U-shaped stirring paddle 22 are provided with a liquid distribution hole 23, and the lye is added Afterwards, liquid distribution holes 23 disperse and flow out, which is convenient for material mixing and reaction. The inside of the neutralization kettle 1 is provided with a partition plate 3 in the horizontal direction, and the partition plate 3 is connected to the piston rod of the cylinder 32 arranged on the top of the neutralization kettle 1 through a connecting rod 31 to improve the feeding rate. Diverting holes are also provided on the partition plate 3 .
中和釜1外壁设有夹套13，以便于调节釜体内温度；中和釜1内壁设有陶瓷层，以防止物料对中和釜1内部的腐蚀，提高使用寿命。The outer wall of the neutralization kettle 1 is provided with a jacket 13 to adjust the temperature inside the kettle; the inner wall of the neutralization kettle 1 is provided with a ceramic layer to prevent the material from corroding the inside of the neutralization kettle 1 and improve the service life.
中和釜1下部的内侧壁上设有pH计14，pH计14与控制单元连接，控制反应更精确。中和釜1底部的出料口15通过循环泵16与中和釜1内部连通，循环泵16可将中和釜1内部物料从中和釜1上部重新加入中和釜1内，进一步加强物料混合效果。A pH meter 14 is arranged on the inner wall of the lower part of the neutralization kettle 1, and the pH meter 14 is connected with the control unit to control the reaction more accurately. The outlet 15 at the bottom of the neutralization tank 1 communicates with the interior of the neutralization tank 1 through the circulation pump 16, and the circulation pump 16 can refill the internal materials of the neutralization tank 1 from the upper part of the neutralization tank 1 to further strengthen the mixing of materials Effect.
第二控制阀43为单向阀，以防止碱液进料时的物料倒流现象。The second control valve 43 is a one-way valve, so as to prevent the material from flowing back when the lye is fed.
U型搅拌桨22上水平设置支撑杆221，支撑杆221中部固定在搅拌轴2上，通过支撑杆221稳固U型搅拌桨22，防止其在搅拌过程发生形变。搅拌轴2下部圆周面上设有多个安装杆24，安装杆24远离搅拌轴2的一侧设置搅拌杆25，搅拌杆25通过铰接轴26与安装杆24铰接。搅拌杆25上设置凸齿，在搅拌轴2转动过程中，搅拌杆25受到物料反作用力的影响绕着铰接轴26无序旋转，产生紊流，物料混合效果更佳。The U-shaped stirring paddle 22 is horizontally provided with a support rod 221, and the middle part of the support rod 221 is fixed on the stirring shaft 2, and the U-shaped stirring paddle 22 is stabilized by the support rod 221 to prevent it from being deformed during the stirring process. A plurality of mounting rods 24 are arranged on the lower peripheral surface of the stirring shaft 2, and a stirring rod 25 is arranged on one side of the mounting rod 24 away from the stirring shaft 2, and the stirring rod 25 is hinged with the mounting rod 24 through a hinge shaft 26. Protruding teeth are provided on the stirring rod 25, and during the rotation of the stirring shaft 2, the stirring rod 25 is affected by the reaction force of the material and rotates around the hinge shaft 26 disorderly to generate turbulent flow, and the material mixing effect is better.
进行中和反应时，亚硫酸氢钠从亚硫酸氢钠储槽51进入中和釜1，氢氧化钠由碱液储槽45通过碱液进料管4加入，并由布液孔23分散在釜体内部，在搅拌中进行中和反应即可的到亚硫酸钠溶液，而后将亚硫酸钠溶液进行蒸发浓缩、离心和干燥，即可得到无水亚硫酸钠。During the neutralization reaction, sodium bisulfite enters the neutralization kettle 1 from the sodium bisulfite storage tank 51, and sodium hydroxide is added from the lye storage tank 45 through the lye feed pipe 4, and is dispersed in the still by the liquid distribution hole 23. Inside the body, the sodium sulfite solution can be obtained through neutralization reaction during stirring, and then the sodium sulfite solution is evaporated, concentrated, centrifuged and dried to obtain anhydrous sodium sulfite.
综上所述，本实用新型的用于无水亚硫酸钠生产的中和装置采用自动化控制进料和出料，保证中和反应过程的效率和安全性，且搅拌效率高，搅拌均匀性好，实现生产效率的最大化。In summary, the neutralization device for the production of anhydrous sodium sulfite of the present invention adopts automatic control of feeding and discharging to ensure the efficiency and safety of the neutralization reaction process, and has high stirring efficiency and good stirring uniformity, realizing Maximize production efficiency.
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.
Claims (6)
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| CN110143703A (en) * | 2019-05-14 | 2019-08-20 | 中国地质大学（武汉） | A purification device for coal mine iron-rich limestone water |
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| CN110143703A (en) * | 2019-05-14 | 2019-08-20 | 中国地质大学（武汉） | A purification device for coal mine iron-rich limestone water |
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