CN102631691B - High-temperature hot water sterilizing process for aerobe fermentation medium or fed-batch material continuous disinfection system and equipment pipeline configuration - Google Patents

High-temperature hot water sterilizing process for aerobe fermentation medium or fed-batch material continuous disinfection system and equipment pipeline configuration Download PDF

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CN102631691B
CN102631691B CN201210008763.1A CN201210008763A CN102631691B CN 102631691 B CN102631691 B CN 102631691B CN 201210008763 A CN201210008763 A CN 201210008763A CN 102631691 B CN102631691 B CN 102631691B
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water
tank
heat exchanger
valve
temperature
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CN102631691A (en
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印建钢
苏峰洁
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China Zhongqing International Engineering Co Ltd
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China Zhongqing International Engineering Co Ltd
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Abstract

A high-temperature hot water sterilizing process for an aerobe fermentation medium or a fed-batch material continuous disinfection system includes following steps: 1) feeding water in a water sterilizing tank, heating the water, and leading hot water to sterilize pipelines and equipment from a continuous sterilizing pump to a fermenting tank or an inlet valve of a fed-batch tank via a total maintaining tank; 2) leading high-temperature water flowing from a water return valve V11 of the water sterilizing tank to enter a heat exchanger D before entering a return water sterilizing tank, leading the high-temperature water and water flowing out from the water sterilizing tank to be in heat exchange, and increasing the temperature of the water flowing out from the water sterilizing tank; 3) leading high-temperature water flowing out from the heat exchanger D to enter a heat exchanger E to be in heat exchange with replenished water flowing into the water sterilizing tank, and increasing the temperature of inflow water of the water sterilizing tank; and 4) beginning to record circulation time and realizing water sterilizing when the temperature of water flowing out from a heat exchanger A reaches 125-130 DEG C. The high-temperature hot water sterilizing process has the advantages that a constant-pressure water sterilizing technological production process is stable, continuous and reliable, safety of the aerobe fermentation medium or fed-batch material continuous disinfection system is improved, a thermal energy recovery system is used for constant-pressure water sterilizing, thermal energy loss is reduced, and energy consumption is lowered.

Description

Aerobic microbiological fermentation medium or stream are added to thing continuous sterilization disinfection system and carry out high-temperature-hot-water sterilization process and the configuration of equipment pipeline
Technical field
The present invention relates to microbe industrial fermentation production field, particularly a kind ofly for aerobic microbiological, in commercial production, fermentation medium or stream are added to the Processes and apparatus pipeline configuration that thing continuous sterilization disinfection system (abbreviation continuous sterilizing system) carries out high-temperature-hot-water sterilization (being called for short water at atmospheric pressure disappears).Background technology
Take biotechnology that fermentation engineering is core content today at development, by microorganism culturing, carry out production and related to medicine, chemical industry, light industry, the energy, the fields such as environmental protection, along with fermentation engineering trend equipment enlarging, efficient and automatization, production technology operation and equipment Design to scale are had higher requirement, wherein a very important production link is exactly the process that the continuous sterilizing systems such as fermentation medium are carried out disinfection, when particularly making good use of oxygen animalcule and carrying out fermenting and producing, it is that the success or failure of sweat are crucial that the continuous sterilizing system that culture medium and stream are added to thing carries out disinfection, if continuous sterilizing system sterilization is not thorough, will cause microbiological contamination during the fermentation, thereby can not guarantee the quality of fermented product, even cause sweat failure, cause the huge economic loss of manufacturing enterprise.
When fermentation industry manufacturing enterprise adds thing continuous sterilizing system and carries out disinfection fermentation medium or stream, generally according to the state of sterilization thermal medium, be divided into steam (125 ℃~130 ℃) sterilization (being called for short vapour disappears) and high-temperature-hot-water (125 ℃~130 ℃) sterilization (abbreviation water disappears) two type systematics.
The advantage of vapour sterilizing system technique is that quick heating, time are short, the efficiency of heating surface is high, operation is relatively simple; Shortcoming is the bad control of sterilization temperature, the residual easy fouling of material in e-quipment and pipe, and the effect of impact sterilization, is the factor that causes sweat microbiological contamination.And the advantage of water sterilizing system is that sterilization temperature control is steady; In sterilization, cleaned e-quipment and pipe, bactericidal effect is more safe and reliable; Shortcoming is that current domestic fermenting and producing enterprise is when making water sterilizing system technique, because could not effectively solve, energy reclaims and a difficult problem for system balancing, before high-temperature water is got back to water pot, in order to maintain the balance of system, can only be by flash distillation and the mode of directly discharging, the high-temperature-hot-water of 125 ℃~130 ℃ is dropped to below 100 ℃, therefore need to be constantly heated to 125 ℃~130 ℃ with again water the is disappeared water of tank of steam, cause energy waste in circulation disinfecting process.
Feature based on above-mentioned two kinds of decontamination systems, because current domestic fermenting and producing enterprise cannot solve, fermentation medium or stream are added to thing continuous sterilizing system carry out the problem that water disappears and exists in technique, so what most enterprises adopted is all vapour sterilizing system technique, make to have safety, steadily, easily the water sterilizing system of the feature such as control but cannot be widely used in fermentation industry, has restricted greatly the promotion and application of this technology in fermentation industry.And how in the feature that keeps water sterilizing system, can reduce again energy resource consumption, this is topic before proposing of the present invention.
Summary of the invention
The object of this invention is to provide and a kind ofly for aerobic microbiological fermentation medium or stream being added to thing continuous sterilization disinfection system, carry out high-temperature-hot-water sterilization process and the configuration of equipment pipeline, this technique has production process operative temperature steadily, continuously, reliably, improved the safety of system, control system is simple, safe and reliable, easy to operate; Heat energy has carried out efficient recovery, and water sterilizing system is used widely at fermentation industry, and this technique is particularly useful for existing fermenting and producing enterprise water sterilizing system to undergo technological transformation.
For achieving the above object, the present invention by the following technical solutions:
Thisly for aerobic microbiological fermentation medium or stream are added to thing continuous sterilization disinfection system, carry out high-temperature-hot-water sterilization process, it comprises the following steps:
1) disappear tank water inlet of water, make the disappear water of tank of water directly enter heat exchanger A by company's pump that disappears, water is heated, open fermentation tank or stream and add the water discharging valve V10 on tank material inlet valve V9 top and the water tank backwater valve V11 that disappears, hot water is carried out disinfection to the pipeline and the equipment that add to fermentation tank or stream from connecting the pump that disappears the inlet valve of tank by the whole tank that maintains;
2) from the water tank back-water valve (BWV) V11 high-temperature water out that disappears, before backwater disappears tank, be introduced into heat exchanger D, carry out heat exchange with the water tank water outlet that disappears, improved the water tank leaving water temperature that disappears;
3) from heat exchanger D high-temperature water out, enter the disappear supplementing water of tank of heat exchanger E and water inlet and carry out heat exchange, improved the disappear water inlet water temperature of tank of water;
4) when heat exchanger A output water temperature reaches 125 ℃~130 ℃, start to record circulation time and carry out water and disappear, after the water process of disappearing completes, the water tank that disappears stops water outlet, makes material enter continuous sterilizing system.
The disappear water of tank of water is got to heat exchanger A by company's pump that disappears, make water be warmed up to 125 ℃~130 ℃, high-temperature water adds the feeding pipe of thing after maintaining tank along culture medium or stream, return to the water tank that disappears before adding tank entering fermentation tank or stream, so circulation, at fermentation medium or stream, add before thing connects and disappear, the pipeline and the equipment that from connecting the pump that disappears, to fermentation tank or stream, add the inlet valve of tank are carried out disinfection; And high-temperature water after disinfection first passed through heat exchanger D, heat exchanger E before backwater disappears tank, carry out thermal energy exchange with water the disappear water inlet of tank of tank water outlet and water that disappears, return water temperature is reduced to below 100 ℃, fully reclaimed heat energy.
After having sterilized, close water disappear tank outlet valve and back-water valve (BWV), open material-compound tank outlet valve and fermentation tank or stream and add tank inlet valve, start logistics to connect and disappear.
This technique also can be used for many cover fermentation medium continuous sterilizing systems and many cover stream and adds thing continuous sterilizing system and carry out the water at atmospheric pressure operation that disappears simultaneously.
Advantage of the present invention is: water disappear production process operative temperature steadily, continuously, reliable, the safety that has improved system, cleans pipeline, prevents material fouling on equipment tank skin and tube wall, has improved the reliability of continuous sterilizing system; Control system is simple, safe and reliable, easy to operate, and heat energy has carried out efficient recovery.This technique is particularly useful for existing fermenting and producing enterprise water sterilizing system to undergo technological transformation.
Accompanying drawing explanation
Fig. 1: the equipment pipeline configuration schematic diagram of high-temperature-hot-water sterilization of the present invention
In Fig. 1, V1 is inlet valve, and V2 is inlet valve, and V3 is discharge valve, and V4 is flowing water Valve, and V5 is material inlet valve, and V6 is inlet valve, and V7 is steam valve, and V8 is inlet valve, and V9 is material inlet valve, and V10 is water discharging valve, V11 backwater valve.
The specific embodiment
The present invention comprises for the equipment pipeline configuration of high-temperature-hot-water sterilization process: it comprises: the water tank that disappears, the water tank that disappears is established two-way water inlet, one tunnel taps into penstock V2, another termination water pipe of valve V2, the water inlet of another road is connected in series a valve V1, another termination heat exchanger of valve V1 E water inlet for connecing on water pipe, the heat exchanger E outlet water receiving tank water inlet that disappears, disappear tank outlet of water connects the water inlet of heat exchanger D, and heat exchanger D outlet picks out penstock V4, and the valve V4 other end connects and connects the pump that disappears; Connect the pump inlet that disappears and also connect a material inlet valve V3, the valve V3 other end connects material-compound tank, connect the pump discharge that disappears and meet an inlet valve V6, the valve V6 other end connects the import of heat exchanger A material channel, and heat exchanger A outlet connects and maintains tank, the outlet that maintains tank meets heat exchanger B, the outlet of heat exchanger B meets heat exchanger C, and heat exchanger C outlet meets material inlet valve V9, and the valve V9 other end connects fermentation tank or stream adds tank, valve V9 epimere connects a water discharging valve V10, and the valve V10 other end connects the water tank that disappears; Heat exchanger C outlet meets a backwater valve V11, and the valve V11 other end connects the high-temperature water import of heat exchanger D, and the high-temperature water outlet of heat exchanger D connects the import of heat exchanger E high-temperature water, the disappear water return outlet of tank of heat exchanger E high-temperature water outlet water receiving.
Heat exchanger B material inlet valve 5, this valve one end connects feed pipe, and the other end connects the import of heat exchanger B material channel;
Heat exchanger A admission valve 7, this valve one end connects into jet chimney, and the other end connects the import of heat exchanger steam channel;
Heat exchanger C inlet valve V8, this valve one end connects cooling water inlet pipe road, and the other end connects the import of spiral-plate heat exchanger C cooling-water duct.
In this configuration, heat exchanger A is for heating up, and heat exchanger B is for preheating, and heat exchanger C, for cooling, can adopt spiral-plate heat exchanger, and described heat exchanger D, heat exchanger E can be independently, can be also two-stage nitration plate-type heat exchanger D/E.
High-temperature-hot-water sterilization process comprises the following steps:
1) the tank inlet valve V1 that disappears that fetches boiling water, the water tank water inlet that disappears;
2) when water inlet disappears the certain liquid level of tank to water, successively open water disappear tank flowing water Valve V4, connect disappear pump, water intaking valve V6, make the disappear water of tank of water directly enter heat exchanger A by company's pump that disappears, open steam valve V7 simultaneously, make steam enter heat exchanger A, water is heated, open fermentation tank or stream and add tank inlet valve V9 top float water valve V10 and the water tank back-water valve (BWV) V11 that disappears, make hot water maintain tank and heat exchanger B, heat exchanger C by whole, until inlet valve 9 tops, it is carried out disinfection, and return to the water tank that disappears; Now cooling water water intaking valve V8, fermentation tank or the stream of material-compound tank outlet valve V3, heat exchanger B inlet valve V5, heat exchanger C add tank inlet valve V9 and are closed condition;
3) high-temperature water was introduced into heat exchanger D before backwater disappears tank, exchanged with the water tank water outlet that disappears, and had improved the water tank leaving water temperature that disappears;
4) when high-temperature water enters heat exchanger, open valve 1, valve-off 2, high-temperature water enters the disappear supplementing water of tank of heat exchanger E section and water inlet and carries out heat exchange, improved the disappear water inlet water temperature of tank of water.By secondary, exchange the heat energy that has fully reclaimed high-temperature water;
5) when heat exchanger A output water temperature reaches 125 ℃~130 ℃, start to record circulation time;
6) after the water process of disappearing completes, valve-off V4, the water tank water outlet that disappears stops, and Open valve V3, makes material enter continuous sterilizing system simultaneously; Valve-off V11, valve V10, open valve V9, make hot water not backwater disappear tank and enter in fermentation tank; Valve-off V6 opens valve V5 simultaneously, makes material enter heat exchanger B and carries out preheating; Open valve V8, cooling water enters heat exchanger C, material is carried out cooling, and at this moment material continuous sterilizing system brings into operation, and remaining water in pipeline is pushed up in fermentation tank, and the water process of disappearing finishes.

Claims (2)

1. for aerobic microbiological fermentation medium or stream are added to thing continuous sterilization disinfection system, carry out a high-temperature-hot-water sterilization process, it is characterized in that: it comprises the following steps:
1) disappear tank water inlet of water, make the disappear water of tank of water directly enter heat exchanger A by company's pump that disappears, water is heated, open fermentation tank or stream and add the water discharging valve V10 on tank material inlet valve V9 top and the water tank backwater valve V11 that disappears, hot water is carried out disinfection to the pipeline and the equipment that add to fermentation tank or stream from connecting the pump that disappears the inlet valve of tank by the whole tank that maintains;
2) from the water tank back-water valve (BWV) V11 high-temperature water out that disappears, before backwater disappears tank, be introduced into heat exchanger D, carry out heat exchange with the water tank water outlet that disappears, improved the water tank leaving water temperature that disappears;
3) from heat exchanger D high-temperature water out, enter the disappear supplementing water of tank of heat exchanger E and water inlet and carry out heat exchange, improved the disappear water inlet water temperature of tank of water;
4) when heat exchanger A output water temperature reaches 125 ℃~130 ℃, start to record circulation time and carry out water and disappear, after the water process of disappearing completes, the water tank that disappears stops water outlet, makes material enter continuous sterilizing system.
2. the equipment for high-temperature-hot-water sterilization process described in claim 1, it is characterized in that: it comprises: the water tank that disappears, the water tank that disappears is established two-way water inlet, one tunnel taps into penstock V2, another termination water pipe of valve V2, the water inlet of another road is connected in series a valve V1 for connecing on water pipe, another termination heat exchanger of valve V1 E water inlet, the heat exchanger E outlet water receiving tank water inlet that disappears, disappear tank outlet of water connects the water inlet of heat exchanger D, heat exchanger D outlet picks out penstock V4, and the valve V4 other end connects and connects the pump that disappears; Connect the pump inlet that disappears and also connect a material inlet valve V3, the valve V3 other end connects material-compound tank, connect the pump discharge that disappears and meet an inlet valve V6, the valve V6 other end connects the import of heat exchanger A material channel, and heat exchanger A outlet connects and maintains tank, the outlet that maintains tank meets heat exchanger B, the outlet of heat exchanger B meets heat exchanger C, and heat exchanger C outlet meets material inlet valve V9, and the valve V9 other end connects fermentation tank or stream adds tank, valve V9 epimere connects a water discharging valve V10, and the valve V10 other end connects the water tank that disappears; Heat exchanger C outlet meets a backwater valve V11, and the valve V11 other end connects the high-temperature water import of heat exchanger D, and the high-temperature water outlet of heat exchanger D connects the import of heat exchanger E high-temperature water, the disappear water return outlet of tank of heat exchanger E high-temperature water outlet water receiving.
CN201210008763.1A 2012-01-12 2012-01-12 High-temperature hot water sterilizing process for aerobe fermentation medium or fed-batch material continuous disinfection system and equipment pipeline configuration Active CN102631691B (en)

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CN109331192A (en) * 2018-11-07 2019-02-15 肇庆市天臻生物化工技术有限公司 A kind of efficient, full nutrition protection continuous sterilization system and technique

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Publication number Priority date Publication date Assignee Title
CN201782983U (en) * 2010-09-14 2011-04-06 北京东方诚益通工业自动化技术有限公司 Superheated water sterilizing device for fermentation equipment
CN201791122U (en) * 2010-09-14 2011-04-13 北京东方诚益通工业自动化技术有限公司 Automatic control device for continuous sterilization of fermentation base material
CN202019699U (en) * 2011-03-30 2011-11-02 鹿泽海 Novel high efficiency dual triple-connected-tank sterilization kettle

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WO2007051235A1 (en) * 2005-11-02 2007-05-10 Packaged Environmental Solutions Pty Ltd Disinfection system improvements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201782983U (en) * 2010-09-14 2011-04-06 北京东方诚益通工业自动化技术有限公司 Superheated water sterilizing device for fermentation equipment
CN201791122U (en) * 2010-09-14 2011-04-13 北京东方诚益通工业自动化技术有限公司 Automatic control device for continuous sterilization of fermentation base material
CN202019699U (en) * 2011-03-30 2011-11-02 鹿泽海 Novel high efficiency dual triple-connected-tank sterilization kettle

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