CN1063154C - Method for producing aqueous chlorine dioxide solution - Google Patents
Method for producing aqueous chlorine dioxide solution Download PDFInfo
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- CN1063154C CN1063154C CN98118037A CN98118037A CN1063154C CN 1063154 C CN1063154 C CN 1063154C CN 98118037 A CN98118037 A CN 98118037A CN 98118037 A CN98118037 A CN 98118037A CN 1063154 C CN1063154 C CN 1063154C
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- chlorine dioxide
- aqueous solution
- chlorine
- pipe
- water
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- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 53
- 235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000007864 aqueous solution Substances 0.000 claims abstract description 49
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000460 chlorine Substances 0.000 claims abstract description 13
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 12
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 claims abstract description 12
- 229960002218 sodium chlorite Drugs 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 238000004061 bleaching Methods 0.000 abstract description 2
- 238000004042 decolorization Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000002253 acid Substances 0.000 abstract 1
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 230000001954 sterilising effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 7
- 238000005192 partition Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Chemical compound ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
本发明属于一种二氧化氯水溶液的生产方法及装置，其特点是：将氯气或氯气和盐酸水溶液通入具有一定压力的水流中，在为二次氯酸和盐酸水溶液，经流量计进入二氧化氯发生室，同时把亚氯酸钠水溶液也经流量计加入二氧化氯发生室，使两种水溶液混合反应，生成二氧化氯水溶液。该方法生产安全，不污染环境，生产的二氧化氯水溶液二氧化氯含量高，且成本低，是消毒、灭菌、漂白、脱色及污水处理的理想方法。
The invention belongs to a production method and device of chlorine dioxide aqueous solution, which is characterized in that chlorine gas or chlorine gas and hydrochloric acid aqueous solution are passed into a water flow with a certain pressure, and the secondary chlorine acid and hydrochloric acid aqueous solution enters the secondary chlorine dioxide solution through a flow meter. Oxidize the chlorine generation chamber, and at the same time, add the sodium chlorite aqueous solution into the chlorine dioxide generation chamber through the flow meter, so that the two aqueous solutions are mixed and reacted to generate the chlorine dioxide aqueous solution. The method is safe in production and does not pollute the environment. The chlorine dioxide aqueous solution produced has high chlorine dioxide content and low cost, and is an ideal method for disinfection, sterilization, bleaching, decolorization and sewage treatment.
Description
本发明涉及二氧化氯生产工艺及设备，是一种二氧化氯水溶液的生产方法及装置。The invention relates to a chlorine dioxide production process and equipment, in particular to a production method and device for a chlorine dioxide aqueous solution.
目前，二氧化氯的生产方法有两种，一种是电解法，1991年中国专利公报上公开了一种二氧化氯发生器，公开号CN2102288.U，该发生器生产的二氧化氯含量低；另一种是化学法，为山东大学的发明专利，ZL93111202.8，该法生产二氧化氯需要盐酸和氯酸钠化工料进行反应，这些化工料均为强腐蚀剂或易燃易爆、剧毒产品，化工料运输、储存及操作中存在危险性，且成本较高。At present, the production method of chlorine dioxide has two kinds, and a kind of is electrolysis method, disclosed a kind of chlorine dioxide generator on the Chinese Patent Gazette in 1991, publication number CN2102288.U, the chlorine dioxide content that this generator produces is low The other is the chemical method, which is an invention patent of Shandong University, ZL93111202.8, which needs hydrochloric acid and sodium chlorate chemical materials to react in the production of chlorine dioxide. These chemical materials are strong corrosive agents or flammable and explosive, violent There are dangers in the transportation, storage and operation of toxic products and chemical materials, and the cost is relatively high.
本发明的目的是提供一种二氧化氯水溶液的生产方法及装置，以解决电解法生产的二氧化氯含量低；化学法生产二氧化氯所用化工料，运输、储存使用均存有危险性，且成本较高等问题。The object of the present invention is to provide a production method and device for chlorine dioxide aqueous solution, so as to solve the problem that the content of chlorine dioxide produced by electrolysis is low; the chemicals used in the production of chlorine dioxide by chemical methods are dangerous in transportation, storage and use. and higher costs.
本发明的目的是这样实现的：将氯气或氯气和盐酸水溶液通入具有一定压力的水流中，成为次氯酸和盐酸水溶液，经流量计计量进入二氧化氯发生室内，同时再把亚氯酸钠水溶液由水射器抽入管中，经流量计计量加入二氧化氯发生室内，使两种水溶液混合并发生化学反应，生成二氧化氯水溶液，化学反应式如下：The object of the present invention is achieved like this: chlorine gas or chlorine gas and hydrochloric acid aqueous solution are fed in the water flow with certain pressure, become hypochlorous acid and hydrochloric acid aqueous solution, enter the chlorine dioxide generation chamber through flowmeter metering, simultaneously again hypochlorous acid The sodium aqueous solution is pumped into the pipe by the water injector, and is metered into the chlorine dioxide generating chamber through the flow meter, so that the two aqueous solutions are mixed and chemically reacted to generate chlorine dioxide aqueous solution. The chemical reaction formula is as follows:
上述反应要通过专用二氧化氯水溶液发生装置来实现，该装置是由氯气器，加料器、二氧化氯发生室和进水管构成，进水管分为2个支管，一支管通过阀门、水射器，流量计接二氧化氯发生室进管，水射器由连接管接氯气器，由管、阀门接盐酸水溶液加料器，使进入二氧化氯发生室的溶液成为次氯酸和盐酸水溶液；另一支管通过阀门接亚氯酸钠水溶液加料器，同时通过阀门、水射器、流量计接二氧化氯发生室另一进管，水射器接头由管、阀门接亚氯酸钠水溶液加料器，使含有亚氯酸钠的水溶液进入二氧化氯发生室，二氧化氯发生室上端盖上设有二氧化氯水溶液出管和阀门。The above reaction should be realized by a special chlorine dioxide aqueous solution generating device, which is composed of a chlorine gas generator, a feeder, a chlorine dioxide generating chamber and a water inlet pipe. , the flow meter is connected to the inlet pipe of the chlorine dioxide generating chamber, the water injector is connected to the chlorine gas device through the connecting pipe, and the hydrochloric acid aqueous solution feeder is connected to the pipe and valve, so that the solution entering the chlorine dioxide generating chamber becomes hypochlorous acid and hydrochloric acid aqueous solution; One pipe is connected to the sodium chlorite aqueous solution feeder through the valve, and at the same time, it is connected to the other inlet pipe of the chlorine dioxide generation chamber through the valve, water injector and flow meter. The water injector joint is connected to the sodium chlorite aqueous solution feeder by the pipe and valve , so that the aqueous solution containing sodium chlorite enters the chlorine dioxide generating chamber, and the upper end cover of the chlorine dioxide generating chamber is provided with a chlorine dioxide aqueous solution outlet pipe and a valve.
氯气器是指氯气发生器，氯气罐加氯机。Chlorine generator refers to chlorine generator, chlorine tank chlorinator.
二氧化氯发生室：室体呈圆柱形，其下端盖呈凸形，外圈均布有螺栓孔，底面上固有两个进管，室体中部固有隔板，隔板中心固有过渡管，过渡管两端封死，过渡管上、下两部分圆周上均设有径向孔，室体上端固有盖，其中心固有出头，出头下端封死，上端固有二氧化氯水溶液出管，下部圆周上设有径向孔。Chlorine dioxide generation chamber: the chamber body is cylindrical, its lower end cover is convex, and the outer ring is evenly distributed with bolt holes. There are two inlet pipes on the bottom surface, an inherent partition in the middle of the chamber, and an inherent transition pipe in the center of the partition. Both ends of the tube are sealed, radial holes are provided on the upper and lower circumferences of the transition tube, the upper end of the chamber body has a built-in cover, the center of which is inherently protruding, the lower end of the protruding end is sealed, the upper end has a chlorine dioxide aqueous solution exiting the tube, and the lower circumference With radial holes.
该发明与现有技术相比具有以下优点：1)较电解法二氧化氯含量高；2)氯气器若采用氯气罐加氯机，则该二氧化氯水溶液生产装置不用电，靠自来水压力即可生产，节省电能；3)较化学法生产成本低；4)生产过程不污染环境；5)能充分利用商品氯气，扩大了液氯的使用范围；6)采用亚氯酸钠水溶液生产安全，使用方便、可靠。Compared with the prior art, this invention has the following advantages: 1) the content of chlorine dioxide is higher than that of the electrolytic method; 2) if the chlorine generator adopts a chlorine gas tank chlorinator, the chlorine dioxide aqueous solution production device does not need electricity and relies on tap water pressure 3) The production cost is lower than that of the chemical method; 4) The production process does not pollute the environment; 5) It can make full use of commercial chlorine gas and expand the application range of liquid chlorine; 6) The use of sodium chlorite aqueous solution is safe for production , Easy to use and reliable.
下面结合附图作进一步说明：Below in conjunction with accompanying drawing for further explanation:
图1二氧化氯水溶液生产装置结构示意图；Fig. 1 structural representation of chlorine dioxide aqueous solution production device;
图2二氧化氯发生室部件图。Fig. 2 Parts diagram of the chlorine dioxide generation chamber.
图1——2中：水表(9)、流量计(16)、(17)、阀门(10)、(14)、(19)、(20)、(21)、(23)进水管(8)、支管(11)、(12)、连接管(7)、出管(22)均外购。Among Fig. 1--2: water meter (9), flow meter (16), (17), valve (10), (14), (19), (20), (21), (23) water inlet pipe (8) ), branch pipe (11), (12), connection pipe (7), outlet pipe (22) are all outsourcing.
加料器(3)、(5)采用塑料板制成，呈正方、长方或圆柱体，上端有加料口和盖，一侧设有液位显示管(15)，以显示加料器内液面高低，另一侧设有管和阀门(21)、(14)，下端设有裙座，靠螺栓固定在支座(2)上。氯气器(6)采用氯气发生器，氯气罐加氯机。The feeders (3), (5) are made of plastic plates, in the shape of a square, a rectangle or a cylinder, with a feeding port and a cover on the upper end, and a liquid level display tube (15) on one side to display the liquid level in the feeder High and low, the other side is provided with pipe and valve (21), (14), and the lower end is provided with skirt seat, is fixed on the bearing (2) by bolt. Chlorine device (6) adopts chlorine generator, chlorine tank chlorinator.
二氧化氯发生室(4)、室体(28)呈圆柱形，采用ABS塑料制成，其下端盖(27)呈凸字形，外圈均布有螺栓孔(26)，靠螺栓固定在支座(2)上，下端盖(27)底面上固有进管(24)、(25)，室体中部内固有径向隔板(30)，隔板中心粘或焊固有过渡管(29)，过渡管两端封死，过渡管上、下圆周上设有至少2个径向孔，室体上端固有盖(32)，其中心粘或焊固有出头(31)，出头上端固有二氧化氯水溶液出管(22)、阀门(23)，下端封死，下部圆周上设有至少2个径向孔。Chlorine dioxide generation chamber (4), chamber body (28) is cylindrical, adopts ABS plastics to make, and its lower end cover (27) is convex character shape, and outer ring is evenly distributed with bolt holes (26), is fixed on the support by bolts. On the seat (2), there are inherent inlet pipes (24), (25) on the bottom surface of the lower end cover (27), the inherent radial partition (30) in the middle of the chamber body, and the inherent transition pipe (29) glued or welded in the center of the partition, Both ends of the transition pipe are sealed, and at least 2 radial holes are provided on the upper and lower circumferences of the transition pipe. The upper end of the chamber body has a built-in cover (32), the center of which is glued or welded with a head (31), and the upper end of the head has an inherent chlorine dioxide aqueous solution. Outlet pipe (22), valve (23), the lower end is sealed, and the lower circumference is provided with at least 2 radial holes.
为了移动方便，在支座(2)和氯气器(6)下面设有底座(1)。进水管(8)一端接自来水管、水表(9)，自来水要有一定压力，另一端分为两个支管(11)、(12)，支管(11)通过阀门(10)、水射器(13)、流量计(16)接二氧化氯发生室(4)的进管(25)，水射器(13)一接头连接管(7)接氯气器(6)，另一接头由管、阀门(14)接盐酸水溶液加料器(5)，氯气和盐酸水溶液由水射器(13)随进水流动抽入支管内，成为次氯酸和盐酸水溶液，经流量计(16)计量进入二氧化氯发生室内；支管(12)通过阀门(20)接亚氯酸钠水溶液加料器(3)，同时通过阀门(19)、水射器(18)、流量计(17)接二氧化氯发生室进管(24)，水射器(18)接头由管、阀门(21)接亚氯酸钠水溶液加料器(3)，亚氯酸钠水溶液由水射器(18)随水流动抽入支管(12)内，经流量计(17)计量进入二氧化氯发生室(4)内，与次氯酸和盐酸水溶液混合进行化学反应，生成二氧化氯水溶液，反应式如下：For the convenience of moving, a base (1) is provided below the support (2) and the chlorine device (6). Water inlet pipe (8) one end connects water pipe, water meter (9), tap water will have certain pressure, and the other end is divided into two branch pipes (11), (12), and branch pipe (11) passes through valve (10), water injector ( 13), the flowmeter (16) connects the inlet pipe (25) of the chlorine dioxide generation chamber (4), the water injector (13) one joint connection pipe (7) connects the chlorine gas device (6), and the other joint is connected by the pipe, The valve (14) is connected to the hydrochloric acid aqueous solution feeder (5), and the chlorine gas and hydrochloric acid aqueous solution are drawn into the branch pipe by the water injector (13) along with the water inlet flow, and become hypochlorous acid and hydrochloric acid aqueous solution, which are metered into the secondary pipe by the flow meter (16). Chlorine oxide generation chamber; the branch pipe (12) is connected to the sodium chlorite aqueous solution feeder (3) through the valve (20), and connected to the chlorine dioxide generation chamber through the valve (19), water ejector (18), and flow meter (17) at the same time. The chamber inlet pipe (24), the joint of the water ejector (18) is connected to the sodium chlorite aqueous solution feeder (3) by the pipe and the valve (21), and the sodium chlorite aqueous solution is drawn in by the water ejector (18) along with the water flow. In the branch pipe (12), it is metered into the chlorine dioxide generation chamber (4) through the flow meter (17), and mixed with hypochlorous acid and hydrochloric acid aqueous solution for chemical reaction to generate aqueous chlorine dioxide solution. The reaction formula is as follows:
采用氯气和水生成含次氯酸和盐酸水溶液与亚氯酸钠水溶液混合反应，生成二氧化氯水溶液；若采用氯气、盐酸和水生成含次氯酸和盐酸水溶液与亚氯酸钠水溶液混合反应，也可生成二氧化氯水溶液，适用于消毒、漂白、脱色及污水处理。Using chlorine gas and water to generate hypochlorous acid and hydrochloric acid aqueous solution mixed with sodium chlorite aqueous solution to generate chlorine dioxide aqueous solution; if chlorine gas, hydrochloric acid and water are used to generate hypochlorous acid and hydrochloric acid aqueous solution and sodium chlorite aqueous solution mixed reaction , It can also generate chlorine dioxide aqueous solution, which is suitable for disinfection, bleaching, decolorization and sewage treatment.
Claims (4)
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| CN98118037A CN1063154C (en) | 1998-08-06 | 1998-08-06 | Method for producing aqueous chlorine dioxide solution |
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| CN98118037A CN1063154C (en) | 1998-08-06 | 1998-08-06 | Method for producing aqueous chlorine dioxide solution |
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| CN1063154C true CN1063154C (en) | 2001-03-14 |
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| US7087190B2 (en) * | 2003-03-20 | 2006-08-08 | Ecolab Inc. | Composition for the production of chlorine dioxide using non-iodo interhalides or polyhalides and methods of making and using the same |
| CN107021457A (en) * | 2017-06-07 | 2017-08-08 | 马驰 | It is hydrated the preparation method of chlorine solid |
| CN108186370A (en) * | 2018-02-22 | 2018-06-22 | 珠海市绿洁环保技术开发有限公司 | A kind of root canal washing liquid and preparation method thereof |
| DE102018205009A1 (en) * | 2018-04-04 | 2019-10-10 | Krones Ag | Container treatment plant |
| CN114014273A (en) * | 2021-10-27 | 2022-02-08 | 济南爱思医药科技有限公司 | Chlorine dioxide generation process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4435821A1 (en) * | 1994-08-31 | 1996-03-07 | Wafa Gmbh | Mfr. of chlorine di:oxide soln. from hydrochloric acid and sodium chlorite solns. |
| JPH0920502A (en) * | 1995-07-06 | 1997-01-21 | Chisso Corp | Continuous and static production of aqueous chlorine dioxide and equipment therefor |
| CN1189449A (en) * | 1997-01-31 | 1998-08-05 | 陈秀珍 | Method for preparing high-purity high-concentration and stable chlorine dioxide |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4435821A1 (en) * | 1994-08-31 | 1996-03-07 | Wafa Gmbh | Mfr. of chlorine di:oxide soln. from hydrochloric acid and sodium chlorite solns. |
| JPH0920502A (en) * | 1995-07-06 | 1997-01-21 | Chisso Corp | Continuous and static production of aqueous chlorine dioxide and equipment therefor |
| CN1189449A (en) * | 1997-01-31 | 1998-08-05 | 陈秀珍 | Method for preparing high-purity high-concentration and stable chlorine dioxide |
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