CN104045196A - Purified water production equipment with steam sterilizing device and sterilizing method - Google Patents
Purified water production equipment with steam sterilizing device and sterilizing method Download PDFInfo
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- CN104045196A CN104045196A CN201410261164.XA CN201410261164A CN104045196A CN 104045196 A CN104045196 A CN 104045196A CN 201410261164 A CN201410261164 A CN 201410261164A CN 104045196 A CN104045196 A CN 104045196A
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Abstract
The invention discloses a steam sterilizing device of purified water production equipment. The steam sterilizing device is added on the basis of the traditional purified water production equipment, the steam sterilizing device comprises a steam filter and a tubular heat exchanger, wherein the steam filter is respectively connected with a multimedium filter and an activated carbon filter of the purified water production equipment; the inlet end of the tubular heat exchanger is connected with an outlet pipeline of a purified water pump, and the outlet end of the tubular heat exchanger is connected with the inlet end of an ultraviolet ray sterilizer. The steam sterilizing device of the purified water production equipment has the advantages of simple operation, good sterilizing effect and no secondary pollution, modification can be easily carried out on the basis of the existing purified water production equipment, and the traditional pasteurization equipment or chemical sterilizing equipment can be conveniently substituted.
Description
Technical field
The invention belongs to purified water sterilization device field, relate to particularly a kind of purified water production unit and sterilization method with steam sterilizing apparatus.
Background technology
Along with the raising that country requires pharmaceutical production, GMP requires also progressively to improve to the sterilizing of pharmaceutical production water, pharmaceutical industry water, pharmaceutical production water pipeline, and drug water processing needs pre-treatment, filtration etc., and sterilizing also must carry out disinfection.Current former water system adopts the sterilizing that carries out disinfection of chlorine or other strong oxidizing property chemical substances conventionally, but exists these chemical substances sterilizations thoroughly and easily not produce secondary pollution, affect the problems such as water quality.Use ozonization to be widely used to purified water pipeline, but effect is undesirable, because have dead angle or ponding in pipeline, ozone does not arrive whole system.Therefore, need to improve existing purified water production equipment sterilizing unit.
Summary of the invention
The object of the present invention is to provide a kind of easy and simple to handle, sterilisation effect good, a kind of purified water production unit and the sterilization method with steam sterilizing apparatus of non-secondary pollution.
For realizing above-mentioned technical purpose, the present invention proposes a kind of purified water production unit with steam sterilizing apparatus, comprise the pretreatment unit, filtering unit, reverse osmosis units and the ultraviolet sterilization unit that connect by pipeline successively, pretreatment unit comprises successively by the connected raw water box of pipeline, raw water pump, more medium filter and activated charcoal filter; Reverse osmosis units comprises successively by the connected one-level high-pressure hydraulic pump of pipeline, first-stage reverse osmosis device, intermediate water tank, secondary high-pressure hydraulic pump and second level reverse osmosis apparatus; Ultraviolet sterilization unit comprises successively by the connected water tank of pipeline, ultraviolet sterilizer and millipore filter, wherein be transported to each with water spot from millipore filter purified water out, each connect with the form of series connection with water spot, in the time not needing water, be back to water tank with water spot and form a circulation by each; Between raw water pump and more medium filter, be provided with flocculation agent chemicals dosing plant; Between intermediate water tank and secondary high-pressure hydraulic pump, be provided with sodium hydroxide chemicals dosing plant, described steam sterilizing apparatus comprises vapor filter and tubular heat exchanger, and wherein, described vapor filter is connected with activated charcoal filter with more medium filter respectively; The inlet end of described tubular heat exchanger is connected with the export pipeline of pure water pump, and the exit end of tubular heat exchanger is connected with the inlet end of ultraviolet sterilizer.
The sterilization method that the invention allows for the above-mentioned purified water production unit with steam sterilizing apparatus, comprises the steps:
(1) sterilization of more medium filter and charcoal filter: the water in emptying more medium filter and charcoal filter, using industrial steam as thermal source, under 0.2～0.6Mpa pressure, the pure steam that utilizes vapor filter to produce carries out disinfection to more medium filter and charcoal filter respectively, at 150～160 DEG C, be incubated 10～15 minutes, after cooling, utilize back-purge system to carry out back flushing, back flushing 10～15 minutes, completes more medium filter and charcoal filter and the steam sterilizing of connecting tube between them.Under 0.2～0.6Mpa pressure, the temperature of saturated industrial steam can reach more than 180 DEG C, utilizes vapor filter can remove the impurity in industrial steam, prevents from polluting water generator.In the time of 150～160 DEG C, be incubated 10～15min and can guarantee that whole bacteriums are killed.The object of back flushing is for the materials such as more medium filter after sterilization and disinfection and the bacterium corpse above charcoal filter are rinsed out, to reach the object of cleaning and sterilizing.To the frequency of more medium filter and charcoal filter sterilization can be every 3 days once.
(2) sterilization of ultraviolet sterilization device: the purified water of water tank is heated to 85～90 DEG C by pure water pump warp from the industrial steam of tubular heat exchanger, then successively by ultraviolet sterilizer, millipore filter, respectively with water spot and then be back to water tank and form a circulation, circulation 1～2h, thus complete the sterilization between ultraviolet sterilization device and each connecting tube.85～90 DEG C is the optimum temps that under normal pressure, pasteurization is selected, and can be 1～2 time weekly to the sterilization frequency of purified water water tank and transport pipe.Sterilisation temp herein can be high a bit but need not will consider not destroy nutrition as milk, but can not reach 100 DEG C, reach 100 DEG C and will become steam water, operation can be scalded people with regard to dangerous property and be understood spraying steam etc.
Beneficial effect: compared with the purified water production unit of prior art, purified water production unit of the present invention has increased steam sterilizing apparatus, have simple to operate, sterilisation effect good and be not easy to produce the advantages such as secondary pollution, and on the basis of existing purified water production unit, be easy to transform, can substitute easily traditional pasteurization equipment or chemical disinfection equipment.
Brief description of the drawings
Fig. 1 purified water Production Flow Chart of the present invention schematic diagram, wherein, 1: the first valve; 2: the second valves; 3: original pump, 4: one-level high-pressure hydraulic pump; 5: secondary high-pressure pump; 6: pure water pump; 7: the three valves; 8: the four valves; 9: the five valves; 10: the six valves; 11: the seven valves; 12: the eight valves; 13: the nine valves; 14: the ten valves; 15: the 11 valves; 16: the 12 valves; 17: the 13 valves; 18: the 19 valves; 19: the 20 valves; 20: the 21 valves; 21: the 22 valves; 22: the 23 valves; 23: the 23 valves.
Embodiment
As described in Figure 1, purified water production unit of the present invention comprises the pretreatment unit, filtering unit (accurate filter), reverse osmosis units, ultraviolet sterilization unit and the steam sterilizing apparatus that connect successively, wherein, pretreatment unit comprises successively by the connected raw water box of pipeline, raw water pump 3, more medium filter and activated charcoal filter, is provided with flocculation agent feeding device between raw water box and raw water pump; Reverse osmosis units comprises successively by the connected one-level high-pressure hydraulic pump 4 of pipeline, first-stage reverse osmosis device, intermediate water tank, secondary high-pressure hydraulic pump 5 and second level reverse osmosis apparatus, between intermediate water tank and secondary high-pressure hydraulic pump 5, is provided with sodium hydroxide chemicals dosing plant; Ultraviolet sterilization unit comprises successively by the connected water tank of pipeline, ultraviolet sterilizer and millipore filter.Steam sterilizing apparatus comprises vapor filter and tubular heat exchanger, and wherein, vapor filter is connected with activated charcoal filter with more medium filter respectively; The inlet end of tubular heat exchanger is connected with the export pipeline of pure water pump 6, and the exit end of tubular heat exchanger is connected with the inlet end of ultraviolet sterilizer.Between all parts, be provided with valve system, as shown in Figure 1.
In the time carrying out purified water production, the first valve 1, the second valve 2, the 4th valve 8 and the 5th valve 9 are closed, whether the 7th valve the 11 and the 22 valve 21 is according to needing to add flocculation agent and sodium hydroxide to open and close, remaining valve open, from the water of raw water box first by adding flocculation agent to carry out flocculation sediment to the impurity in water, then successively by the small particle size impurity in more medium filter and the further planar water of activated charcoal filter, then by the further removal of impurities of accurate filter, then experience again twice reverse-osmosis treated, water after treatment is finally by ultraviolet sterilizer and the further sterilizing of millipore filter, obtain purified water, the purified water of preparation is assigned to each and uses water spot, in the time not needing water with water spot, the purified water of preparation is back to water tank.
In the time not carrying out purified water production, except daily flushing and back flushing, also need equipment to carry out disinfection.For the sterilization of more medium filter and activated charcoal filter, in the time of sterilization, open the first valve 1 and the second valve 2, close all the other valves, open the outlet valve of more medium filter and activated charcoal filter bottom, now pure steam has become steam and water leaves system by trap simultaneously.Using industrial steam as thermal source, under 0.2～0.6Mpa pressure, the pure steam that utilizes vapor filter to produce carries out disinfection to more medium filter and charcoal filter respectively, 150～160 DEG C of insulations 10～15 minutes, utilizes back-purge system to carry out back flushing after cooling.Under 0.2～0.6Mpa pressure, the temperature of saturated industrial steam can reach more than 180 DEG C, is incubated 10～15min and can guarantees that whole bacteriums are killed in the time of 150～160 DEG C.The object of back flushing is for the materials such as more medium filter after sterilization and disinfection and the bacterium corpse above charcoal filter are rinsed out, to reach the object of cleaning and sterilizing.After sterilization, shut the first valve 1 and the second valve 2.
For the sterilization of ultraviolet sterilization device, in the time of sterilization, open the 4th valve 8, the 5th valve the 9 and the 20 valve, close remaining valve, first by the purified water from water tank by pure water pump and be sent in tubular heat exchanger and be heated to 85～90 DEG C, then successively by ultraviolet sterilizer, millipore filter, respectively use water spot, be finally back to again water tank and form a circulation, circulation 1～2h.85～90 DEG C is the optimum temps that under normal pressure, pasteurization is selected, and the sterilization frequency of water tank and purified water pipeline can be 1～2 time weekly.After sterilization, close the 4th valve 8, the 5th valve the 9 and the 20 valve 19.
Use sterilization method of the present invention, can make become present 20 minutes (specific conductivity is 4us/cm) from original 40 minutes (specific conductivity is 10us/cm) fall time of water one-level specific conductivity processed, simple to operate, sterilisation effect good and be not easy to produce secondary pollution, and on the basis of existing purified water production unit, be easy to transform, can substitute easily traditional pasteurization equipment or chemical disinfection equipment.
Claims (2)
1. the purified water production unit with steam sterilizing apparatus, it is characterized in that, comprise the pretreatment unit, filtering unit, reverse osmosis units, ultraviolet sterilization unit and the steam sterilizing apparatus that connect by pipeline successively, wherein, pretreatment unit comprises successively by the connected raw water box of pipeline, raw water pump, more medium filter and activated charcoal filter; Reverse osmosis units comprises successively by the connected one-level high-pressure hydraulic pump of pipeline, first-stage reverse osmosis device, intermediate water tank, secondary high-pressure hydraulic pump and second level reverse osmosis apparatus; Ultraviolet sterilization unit comprises successively by the connected water tank of pipeline, pure water pump, ultraviolet sterilizer and millipore filter, wherein be transported to each with water spot from millipore filter purified water out, each connect with the form of series connection with water spot, in the time not needing water, be back to water tank with water spot and form a circulation by each; Between raw water pump and more medium filter, be provided with flocculation agent chemicals dosing plant; Between intermediate water tank and secondary high-pressure hydraulic pump, be provided with sodium hydroxide chemicals dosing plant, described steam sterilizing apparatus comprises vapor filter and tubular heat exchanger, and wherein, described vapor filter is connected with activated charcoal filter with more medium filter respectively; The inlet end of described tubular heat exchanger is connected with the export pipeline of pure water pump, and the exit end of tubular heat exchanger is connected with the inlet end of ultraviolet sterilizer, connects and be respectively arranged with valve system between all parts by pipeline.
2. the sterilization method of the purified water production unit with steam sterilizing apparatus claimed in claim 1, is characterized in that, comprises the steps:
(1) sterilization of more medium filter and charcoal filter: the water in emptying more medium filter and charcoal filter, using industrial steam as thermal source, under 0.2～0.6Mpa pressure, the pure steam that utilizes vapor filter to produce carries out disinfection to more medium filter and charcoal filter respectively, at 150～160 DEG C, be incubated 10～15 minutes, after cooling, utilize back-purge system to carry out back flushing, back flushing 10～15 minutes, completes more medium filter and charcoal filter and the steam sterilizing of connecting tube between them;
(2) sterilization of ultraviolet sterilization device: the purified water of water tank is heated to 85～90 DEG C by pure water pump warp from the industrial steam of tubular heat exchanger, then successively by ultraviolet sterilizer, millipore filter, respectively with water spot and then be back to water tank and form a circulation, circulation 1～2h, thus complete the sterilization between ultraviolet sterilization device and each connecting tube.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105435511A (en) * | 2015-12-30 | 2016-03-30 | 江苏爱姆欧光电材料有限公司 | Self-cleaning multistage series filtering device |
| CN106698779A (en) * | 2015-11-12 | 2017-05-24 | 江苏鑫东方环保设备科技有限公司 | Purified-water production process system |
| CN107986565A (en) * | 2017-12-11 | 2018-05-04 | 天津东伟环保科技有限公司 | A kind of water ring protection device |
| CN108285220A (en) * | 2018-03-06 | 2018-07-17 | 上海康雷分析仪器有限公司 | A kind of pure water system and with water lines chlorination equipment and technique |
| CN108793560A (en) * | 2018-06-26 | 2018-11-13 | 苏州他山石环保科技有限公司 | A kind of automatically washing and sterilizing pure water equipment and its working method |
| CN110642397A (en) * | 2018-06-26 | 2020-01-03 | 周子宏 | Water purifying device and water purifying and self-cleaning method |
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| CN107986565A (en) * | 2017-12-11 | 2018-05-04 | 天津东伟环保科技有限公司 | A kind of water ring protection device |
| CN108285220A (en) * | 2018-03-06 | 2018-07-17 | 上海康雷分析仪器有限公司 | A kind of pure water system and with water lines chlorination equipment and technique |
| CN108285220B (en) * | 2018-03-06 | 2024-01-26 | 上海康雷分析仪器有限公司 | Water purification system and disinfection device and process for water pipeline |
| CN108793560A (en) * | 2018-06-26 | 2018-11-13 | 苏州他山石环保科技有限公司 | A kind of automatically washing and sterilizing pure water equipment and its working method |
| CN110642397A (en) * | 2018-06-26 | 2020-01-03 | 周子宏 | Water purifying device and water purifying and self-cleaning method |
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| CN104045196B (en) | 2016-03-30 |
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Address after: Leng Yu Lu Dantu high tech Industrial Park, 212000 Jiangsu city of Zhenjiang province Jiangsu No. 86 Zhongxing Pharmaceutical Co. Ltd. Patentee after: Jiangsu Zhongxing Pharmaceutical Co., Ltd. Address before: 212009 No. three, No. 6, weft Road, Zhenjiang hi tech Industrial Development Zone, Jiangsu, China Patentee before: Jiangsu Zhongxing Pharmaceutical Co., Ltd. |