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Fruit and vegetable pasty semi-preserved large pot of sterile

Minutes, open the air filter through into the steam valve, the use of steam sterilization of air filter for a 6O 3O minutes. Air filter must have a diameter less than 25 400M asbestos filter, each used five large cans, it should replace the asbestos filter. 3. Large pot heat the end of the cooling, off a small amount of steam,[link widoczny dla zalogowanych], open air compressors, compressed air and steam at the same time by filtering the way into the big tank cooling, steam increased the amount of dirty air is gradually reduced. About 20-30 minutes later, completely shut down the steam, this time only through the air, to maintain the internal pressure of 49 --- 68. ~ 6KPa, periodically open the bottom valve to release condensed water several times, until the cooling water temperature is 3O military condensing a 35 ℃. After cooling,[link widoczny dla zalogowanych], close all valves, to maintain internal pressure, and in all the valve cover with formalin soaked cotton plugs, covered with the external metal cover. Check air pressure every day. Conditional microbiological examination should be done. (C) filling the pipeline installation and use of sterilization 1. Filling the pipeline with the pipeline installation to install the figure, joint activities, access to large pot with the feed Genei, and with one of the storage container 1, form a loop material, easy to clean. The connected pipeline system with 2 NaOH solution cleaning. 2. Sterilization of the line steam sterilization, according to Figure: - 15, the steam from the container 7 through the supply valve 14, the conditions for the pressure 98 ~ 147KPa, temperature 120 - 126 ~ C, steam sterilization machines and coolers by 3, this to close the valve l5, 19, it can not enter the pump 6, while natural passed cooler 4, and finally to pre-water storage with 0.5M l a material container. Finally, close the valve l3, so that the water temperature rose to 98 - i00 ~ C, steam for sterilization of about l hour. 3. Hot water sterilization can not be used primarily to pump steam sterilization sterilization, and further to make the connection pipes and a variety of sterilization, one of about 15 minutes. Method to open the valve screw pump 9 and 13, the hot water pumped into the 2 and 3, close the valve 18 into the pipe through the pump 6 through heat exchanger 4, and finally back through the pipe material storage container. (D) products sterilization and filling hot water circulation for about 15 minutes later, while in the closed hot water to open another parallel storage material container valve 1, the screw pump 9, the material transported to the sterilization device 2, the heating enter through the atmosphere after the pre-cooling, cooling to around 98 ℃, and finally sent to the pump 6, cooling, cooling to 35 ~ C or so, then enter the tank. Depending on a variety of products, the slurry product can be pre-concentrated, such as tomato paste typically concentrated to 14 to 16, all kinds of fruit juice can be concentrated to a certain extent. Sterilization conditions vary depending on the product, used as follows: 14 to 16 of the tomato and sweet pepper paste 135-14O ℃, 5O seconds; clarified juice 05-07 ℃, 5O 6O seconds a turbidity of natural fruit juice or fruit puree 110 ~ l2 ℃ , 50 ~ 60 seconds, vegetables even 121 ~ l25 ℃, 50 ~ 60 seconds. Zhejiang ★ * 17 * Volume 4 products industry in 1991, filling 3, the first to enter the tank of 200 - 300kg product is not cooled, poured into the form of heat, so that the pipes and large tanks again sterilization only after sinking to a 35-4O ℃ cool about the product. Poured,[link widoczny dla zalogowanych], the part of the open top of the pipe, so that the internal air flow with the product into Korea, the general 24M. Large cans, loaded 22M. So. Cold air filled the rest of the top to form a so-called \Save the pipeline sterilization, asked a number of irrigation, after completion, the pipeline of products collected for Lee rejection, rejection bearing pipe cleaning. (e) the management of a large tank filling is complete, close all valves, foot valve and Other valve port Granting formalin put cotton plugs, covered with metal cover. a daily record of the tank pressure, the pressure is preserved an important indicator of product quality during the period,[link widoczny dla zalogowanych], the pressure rise or fall, must find out the reasons, the general The following reasons can cause pressure changes, such as large temperature changes, large tank is not sealed, instrument damage, deterioration and other products began to ferment. large tank of products, can be preserved during the post picked out for microbiological investigation, But this method, the operation difficult and easy to cause the product elegant stained, generally do not have to use. remove the product from the big tank, preferably a one-time, then open the top of the pipe valve lift pressure. You can also remove part of a , then the valve must be removed in the lower and upper tube while removing the product back into the sterile air or nitrogen pressure in order to maintain pressure on the wall set. large pot once, after emptying, cleaning fluid should be cleaned immediately to keep you clean state. * 18 *
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