CN104045196B - A kind of purified water production unit with steam sterilizing apparatus and sterilization method - Google Patents
A kind of purified water production unit with steam sterilizing apparatus and sterilization method Download PDFInfo
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- CN104045196B CN104045196B CN201410261164.XA CN201410261164A CN104045196B CN 104045196 B CN104045196 B CN 104045196B CN 201410261164 A CN201410261164 A CN 201410261164A CN 104045196 B CN104045196 B CN 104045196B
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Abstract
The invention discloses a kind of steam sterilizing apparatus of purified water production unit, the basis of traditional purified water production unit adds steam sterilizing apparatus, comprise vapor filter and tubular heat exchanger, wherein, vapor filter is connected with activated charcoal filter with the more medium filter of purified water production unit respectively; The inlet end of 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 present invention have simple to operate, sterilisation effect good and be not easy to produce the advantage such as secondary pollution, and is easy to transform on the basis of existing purified water production unit, can substitute traditional pasteurization equipment or chemical disinfection equipment easily.
Description
Technical field
The invention belongs to purified water sterilization device field, relate to a kind of purified water production unit with steam sterilizing apparatus and sterilization method particularly.
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 waterpipe, and drug water process needs pre-treatment, filtration etc., and also must carry out disinfection sterilizing.Current former water system adopts chlorine or other strong oxidizing property chemical substances to carry out disinfection sterilizing usually, but there is the sterilization of these chemical substances not thoroughly and easily 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 is to not 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 with steam sterilizing apparatus of non-secondary pollution and sterilization method.
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 are connected by pipeline successively, pretreatment unit comprises connected by pipeline successively raw water box, raw water pump, more medium filter and activated charcoal filter; Reverse osmosis units comprises connected by pipeline successively one-level high-pressure hydraulic pump, first-stage reverse osmosis device, intermediate water tank, secondary high-pressure hydraulic pump and second level reverse osmosis apparatus; Ultraviolet sterilization unit comprises connected by pipeline successively water tank, ultraviolet sterilizer and millipore filter, wherein be transported to each water spot from millipore filter purified water out, respectively to connect, not needing to form a circulation with being back to water tank by each water spot during water with the form of series connection with water spot; Flocculation agent chemicals dosing plant is provided with between raw water pump and more medium filter; 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 invention allows for the sterilization method of the above-mentioned purified water production unit with steam sterilizing apparatus, comprise 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 utilizing vapor filter to produce carries out disinfection to more medium filter and charcoal filter respectively, 10 ~ 15 minutes are incubated at 150 ~ 160 DEG C, back-purge system is utilized to carry out back flushing after cooling, 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 impurity in industrial steam, preventing pollution water generator.150 ~ 160 DEG C time, be incubated 10 ~ 15min can guarantee that whole bacterium is killed.The object of back flushing is in order to the materials such as the bacterium corpse above more medium filter after sterilization and disinfection and charcoal filter are rinsed out, to reach the object of cleaning and sterilizing.To more medium filter and charcoal filter sterilization frequency 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 through the industrial steam from tubular heat exchanger, then successively by ultraviolet sterilizer, millipore filter, each 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 high a bit but will need not consider not destroy nutrition as milk, but 100 DEG C can not be reached, reaching 100 DEG C will become steam water, and operation just dangerous property can be scalded people and understood spraying steam etc.
Beneficial effect: compared with the purified water production unit of prior art, purified water production unit of the present invention adds steam sterilizing apparatus, have simple to operate, sterilisation effect good and be not easy to produce the advantage such as secondary pollution, and be easy to transform on the basis of existing purified water production unit, traditional pasteurization equipment or chemical disinfection equipment can be substituted easily.
Accompanying drawing explanation
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 ten one valves; 16: the ten two valves; 17: the ten three valves; 18: the ten nine valves; 19: the two ten valves; 20: the two ten one valves; 21: the two ten two valves; 22: the two ten three valves; 23: the two ten three 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 raw water box, raw water pump 3, more medium filter and activated charcoal filter that pipeline is connected, is provided with flocculation agent feeding device between raw water box and raw water pump; Reverse osmosis units comprises successively by one-level high-pressure hydraulic pump 4, first-stage reverse osmosis device, intermediate water tank, secondary high-pressure hydraulic pump 5 and second level reverse osmosis apparatus that pipeline is connected, is provided with sodium hydroxide chemicals dosing plant between intermediate water tank and secondary high-pressure hydraulic pump 5; Ultraviolet sterilization unit comprises connected by pipeline successively water tank, 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.Valve system is provided with, as shown in Figure 1 between all parts.
When carrying out purified water and producing, first valve 1, second valve 2, 4th valve 8 and the 5th valve 9 are closed, 7th valve the 11 and the 22 valve 21 is according to the need of adding flocculation agent and sodium hydroxide opens and closes, remaining valve open, first water from raw water box carry out flocculation sediment by adding flocculation agent 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 twice reverse-osmosis treated is experienced again, water after process 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, when not needing to use water with water spot, the purified water of preparation is back to water tank.
When not carrying out purified water and producing, except daily flushing and back flushing, also need to carry out disinfection to equipment.For the sterilization of more medium filter and activated charcoal filter, when sterilizing, open the first valve 1 and the second valve 2, close all the other valves, open the outlet valve bottom more medium filter and activated charcoal filter, 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 utilizing 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 bacterium is killed 150 ~ 160 DEG C time.The object of back flushing is in order to the materials such as the bacterium corpse above more medium filter after sterilization and disinfection and 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, when sterilizing, open the 4th valve 8, the 5th valve the 9 and the 20 valve, close remaining valve, first the purified water from water tank is sent in tubular heat exchanger is heated to 85 ~ 90 DEG C by pure water pump, then successively by ultraviolet sterilizer, millipore filter, respectively use water spot, be finally back to water tank again 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 produce secondary pollution, and be easy to transform on the basis of existing purified water production unit, traditional pasteurization equipment or chemical disinfection equipment can be substituted easily.
Claims (1)
1. the sterilization method with the purified water production unit of steam sterilizing apparatus, described purified water production unit comprises pretreatment unit, filtering unit, reverse osmosis units, ultraviolet sterilization unit and steam sterilizing apparatus, described pretreatment unit, filtering unit, reverse osmosis units are connected successively with ultraviolet sterilization unit, wherein, pretreatment unit comprises connected by pipeline successively raw water box, raw water pump, more medium filter and activated charcoal filter, reverse osmosis units comprises connected by pipeline successively one-level high-pressure hydraulic pump, first-stage reverse osmosis device, intermediate water tank, secondary high-pressure hydraulic pump and second level reverse osmosis apparatus, ultraviolet sterilization unit comprises connected by pipeline successively water tank, pure water pump, ultraviolet sterilizer and millipore filter, wherein be transported to each water spot from millipore filter purified water out, each with water spot with series connection form connect, not needing to form a circulation with being back to water tank by each water spot during water, the exit end of described second level reverse osmosis apparatus is connected with the inlet end of described water tank, flocculation agent chemicals dosing plant is provided with between raw water pump and more medium filter, 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, the exit end of tubular heat exchanger is connected with the inlet end of ultraviolet sterilizer, undertaken connecting and being respectively arranged with valve system by pipeline between the parts that described purified water production unit is adjacent, it is characterized in that, described sterilization method comprises the steps: the sterilization of (1) 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 utilizing vapor filter to produce carries out disinfection to more medium filter and charcoal filter respectively, 10 ~ 15 minutes are incubated at 150 ~ 160 DEG C, back-purge system is utilized to carry out back flushing after cooling, back flushing 10 ~ 15 minutes, complete more medium filter and charcoal filter and the steam sterilizing of connecting tube between them,
(2) sterilization of ultraviolet sterilization unit: the purified water of water tank is heated to 85 ~ 90 DEG C by pure water pump through the industrial steam from tubular heat exchanger, then successively by ultraviolet sterilizer, millipore filter, each water spot and then be back to water tank and form a circulation, circulation 1 ~ 2h, thus complete the sterilization between ultraviolet sterilization unit and adjacent connecting tube.
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| 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 |
| 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 |
| 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 |
| 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 |
| CN110986647A (en) * | 2019-12-04 | 2020-04-10 | 南京迦南比逊科技有限公司 | Purified water heat exchange pipeline system |
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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. |