Extraction tank oil extraction system with cleaning function

Abstract

The utility model relates to an extraction tank oil extraction system with a cleaning function, and belongs to the technical field of product extraction related to food, pharmacy, chemical engineering and the like. Comprising a circulating outer pipeline communicated with a second circulating pipeline and a third pipeline, a valve B and a valve C which are used for controlling the pipelines to be connected and disconnected are installed at the two ends of the circulating outer pipeline respectively, and a valve A and a valve D which are used for controlling the corresponding pipelines to be connected and disconnected are installed on the second circulating pipeline and the third circulating pipeline respectively. One end of the circulating outer pipeline is connected to the second circulating pipeline between the valve A and the outer circulating pump, and the other end of the circulating outer pipeline is connected to the third communicating pipeline between the valve D and the cooler. The condenser cleaning device has the advantages that hot water is used in cooperation with the outer circulating pump and the circulating outer pipeline, hot water flows back to wash and clean the condenser, residual materials in a tube nest of the condenser can be cleaned, the cleaning effect of the condenser is improved, and the cleaning effect is better than that of secondary steam condensation cleaning in the prior art.

Description

Technical Field

[0001] The utility model relates to an oil extraction system for an extraction tank with a cleaning function, belonging to the technical field of product extraction involving food, pharmacy, chemical industry and the like. Background Art

[0002] Extraction tank is a kind of leaching and extraction equipment commonly used in the field of medicine and chemical industry, and is particularly suitable for the leaching and extraction of components contained in plant products. Commonly used multifunctional extraction tanks, in addition to the main equipment of the extraction tank, often also include equipment such as a foam catcher, a condenser, a cooler, and an oil-water separator.

[0003] After searching, the patent number CN201320274952.3 discloses a high-efficiency oil-water separation system. It includes an extraction tank; a foam trap; a condenser; a cooler; two oil-water separators, each of which has a separator inlet and a separator outlet, the separator inlet is connected to the condenser outlet, and the diverter outlet is connected to the water inlet of the extraction tank; two filters, the filter inlet is connected to the liquid outlet of the extraction tank; and a circulation pump, the circulation pump inlet is connected to the filter outlet, and the circulation pump outlet is connected to the liquid inlet of the extraction tank.

[0004] Although the above patent can realize the extraction function, the current technical considerations are not comprehensive and have the following disadvantages: the cleaning operation of the oil extraction system of the extraction tank requires adding tap water to the tank and heating it to 100°C, and then continuing to heat it. The condenser is cleaned with the generated secondary steam. After the secondary steam enters the oil extraction condenser, it is cooled by cooling water and condensed into condensed water. The water volume is small and the cleaning effect on the condenser is average.

[0005] In our company's actual operation, each time the oil extraction system is cleaned, steam needs to be turned on for continuous evaporation for 120 minutes, which increases steam consumption.

[0006] In order to solve one of the above problems, an oil extraction system for an extraction tank with a cleaning function is urgently needed. Utility Model Content

[0007] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to achieve flushing and cleaning of the condenser by backflow of hot water, so as to clean the residual materials in the condenser tubes and improve the cleaning effect of the condenser, and to provide an extraction tank oil extraction system with a cleaning function.

[0008] The utility model discloses an oil extraction system of an extraction tank with a cleaning function, comprising an extraction tank, a condenser, a cooler, an oil-water separator and an external circulation pump, wherein the liquid inlet of the external circulation pump is connected to the bottom of the extraction tank through a first circulation pipeline, the liquid outlet of the external circulation pump is connected to the top of the extraction tank through a second circulation pipeline, the outlet of the cooler is connected to the inlet of the oil-water separator through a third connecting pipeline, and the utility model is characterized in that: it also comprises an external circulation pipeline connecting the second circulation pipeline and the third pipeline, valve B and valve C for controlling the on-off of the pipeline are respectively installed at both ends of the external circulation pipeline, valve A and valve D for controlling the on-off of the corresponding pipeline are respectively installed on the second circulation pipeline and the third connecting pipeline, one end of the external circulation pipeline is connected to the second circulation pipeline between valve A and the external circulation pump, and the other end of the external circulation pipeline is connected to the third connecting pipeline between valve D and the cooler.

[0009] Add tap water to the extraction tank, and stop heating when it reaches 100℃, close valve A and valve D, open valve B and valve C, and then turn on the external circulation pump to allow the hot water in the extraction tank to flow back to rinse the cooler and condenser, and clean the residual materials in the condenser tubes. After the condenser is cleaned, open valve D to allow hot water to clean the oil-water separator. The entire oil extraction system is cleaned with hot water, and finally close valve B and valve C, and open valve A to restore the working state of the extraction tank. Improve the cleaning effect of the condenser, which is better than the previous cleaning effect of using secondary steam condensation.

[0010] Preferably, the valve A, valve B, valve C and valve D are all electrically controlled valves, which can be connected to an existing controller, and can output control signals for controlling the corresponding valves to open or close through the existing controller.

[0011] Preferably, it also includes a foam trap installed at the steam outlet of the extraction tank, the outlet of the foam trap is connected to the condenser through a fourth connecting pipe, the condenser is connected to a cooler, and the water outlet of the oil-water separator is connected to the extraction tank.

[0012] Preferably, when valve A and valve D are closed and valve B and valve C are opened, the hot water in the extraction tank flows through the first circulation pipeline, the external circulation pump, the second circulation pipeline, the external circulation pipeline, the cooler, the condenser in sequence, and finally flows back to the extraction tank to form a condenser cleaning cycle.

[0013] Preferably, a duplex filter is installed on the first circulation pipeline connected to the external circulation pump.

[0014] Preferably, the outer circulation pipeline is a DN50 stainless steel pipe; and the second circulation pipeline is a DN65 stainless steel pipe.

[0015] Preferably, a water supply pipe is connected to the second circulation pipeline between the valve A and the extraction tank, and a valve E is installed on the water supply pipe. After the valve E is opened, tap water is added into the extraction tank through the water supply pipe.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The oil extraction system with cleaning function of the extraction tank described in the utility model uses hot water in conjunction with an external circulation pump and an external circulation pipeline. The hot water countercurrents to flush and clean the condenser, which can clean up the residual materials in the condenser tubes and improve the cleaning effect of the condenser. The cleaning effect is better than that of the previous use of secondary steam condensation cleaning.

[0018] The oil extraction system of the extraction tank with a cleaning function disclosed by the utility model can shorten the time for cleaning the condenser.

[0019] The oil extraction system of the extraction tank with a cleaning function of the utility model does not use steam after the hot water is cleaned and heated to 100° C., thereby reducing the use of steam and saving energy consumption.

[0020] The oil extraction system of the extraction tank with cleaning function described in the utility model can clean the oil-water separator, condenser, cooler and matching pipelines of the whole oil extraction system more thoroughly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a partial schematic diagram of the utility model;

[0024] In the figure: 1, extraction tank 2, condenser 3, cooler 4, oil-water separator 5, external circulation pump 6, duplex filter 7, external circulation pipeline 8, valve A 9, valve B 10, valve C 11, valve D 12, water supply pipe 13, valve E 14, sewage pipe. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings: The utility model is further illustrated below through specific embodiments, but is not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the protection scope of the utility model.

[0026] Embodiment 1, as Figure 1-2 As shown, the oil extraction system of the extraction tank with a cleaning function includes an extraction tank 1, a condenser 2, a cooler 3, an oil-water separator 4 and an external circulation pump 5, the liquid inlet of the external circulation pump 5 is connected to the bottom of the extraction tank 1 through a first circulation pipeline, the liquid outlet of the external circulation pump 5 is connected to the top of the extraction tank 1 through a second circulation pipeline, the outlet of the cooler 3 is connected to the inlet of the oil-water separator 4 through a third connecting pipeline, and also includes a circulation outer pipeline 7 connecting the second circulation pipeline and the third pipeline, the two ends of the circulation outer pipeline 7 are respectively installed with valves B9 and valve C10 for controlling the on-off of the pipeline, the second circulation pipeline and the third connecting pipeline are respectively installed with valves A8 and valve D11 for controlling the on-off of the corresponding pipeline, one end of the circulation outer pipeline 7 is connected to the second circulation pipeline between valve A8 and the external circulation pump 5, and the other end of the circulation outer pipeline 7 is connected to the third connecting pipeline between valve D11 and the cooler 3.

[0027] Add tap water to the extraction tank 1, and stop heating when it reaches 100°C, close valve A8 and valve D11, open valve B9 and valve C10, and then turn on the external circulation pump 5, so that the hot water in the extraction tank 1 can flow back to flush and clean the cooler 3 and condenser 2, and the residual materials in the tubes of condenser 2 can be cleaned. After the cleaning of condenser 2 is completed, open valve D11 to allow hot water to clean the oil-water separator. The entire oil extraction system is cleaned with hot water, and finally close valve B9 and valve C10, and open valve A8 to restore from the cleaning state to the working state. Improve the cleaning effect of condenser 2, which is better than the previous cleaning effect of using secondary steam condensation.

[0028] Embodiment 2, as Figure 1-2 As shown, the oil extraction system of the extraction tank with a cleaning function includes an extraction tank 1, a condenser 2, a cooler 3, an oil-water separator 4 and an external circulation pump 5, the liquid inlet of the external circulation pump 5 is connected to the bottom of the extraction tank 1 through a first circulation pipeline, the liquid outlet of the external circulation pump 5 is connected to the top of the extraction tank 1 through a second circulation pipeline, the outlet of the cooler 3 is connected to the inlet of the oil-water separator 4 through a third connecting pipeline, and also includes a circulation outer pipeline 7 connecting the second circulation pipeline and the third pipeline, the two ends of the circulation outer pipeline 7 are respectively installed with valves B9 and valve C10 for controlling the on-off of the pipeline, the second circulation pipeline and the third connecting pipeline are respectively installed with valves A8 and valve D11 for controlling the on-off of the corresponding pipeline, one end of the circulation outer pipeline 7 is connected to the second circulation pipeline between valve A8 and the external circulation pump 5, and the other end of the circulation outer pipeline 7 is connected to the third connecting pipeline between valve D11 and the cooler 3.

[0029] Furthermore, the valve A8, valve B9, valve C10 and valve D11 are all electrically controlled valves, which can be connected to an existing controller, and can output control signals for controlling the opening or closing of the corresponding valves through the existing controller.

[0030] Furthermore, it also includes a foam trap installed at the steam outlet of the extraction tank 1, the outlet of the foam trap is connected to the condenser 2 through a fourth connecting pipe, the condenser 2 is connected to the cooler 3, and the water outlet of the oil-water separator 4 is connected to the extraction tank 1.

[0031] Furthermore, when valve A8 and valve D11 are closed and valve B9 and valve C10 are opened, the hot water in the extraction tank 1 flows through the first circulation pipeline, the external circulation pump 5, the second circulation pipeline, the external circulation pipeline 7, the cooler 3, the condenser 2 in sequence, and finally flows back to the extraction tank 1 to form a condenser cleaning cycle.

[0032] Furthermore, a duplex filter 6 is installed on the first circulation pipeline connected to the external circulation pump 5 .

[0033] Furthermore, the outer circulation pipeline 7 is a DN50 stainless steel pipe; the second circulation pipeline is a DN65 stainless steel pipe.

[0034] Furthermore, a water supply pipe 12 is connected to the second circulation pipeline between the valve A8 and the extraction tank 1, and a valve E13 is installed on the water supply pipe 12. After the valve E13 is opened, tap water is added into the extraction tank 1 through the water supply pipe 12. After the tap water is added, the valve E13 is closed.

[0035] A sewage pipe 14 with a valve is provided near the valve D11 in the outer circulation pipeline 7 .

[0036] In actual application, our company uses 100°C hot water in conjunction with an external circulation pump 5 and an external circulation pipe 7. The hot water countercurrents to flush and clean the condenser 2, which can clean the residual materials in the tubes of the condenser 2 and improve the cleaning effect of the condenser. The cleaning effect is better than the previous use of secondary steam condensation cleaning.

[0037] The time for cleaning the condenser 2 can be shortened. The cleaning time using hot water is 30 minutes, and the cleaning time using secondary steam condensation is 120 minutes, thereby improving the operating efficiency of the extraction tank.

[0038] When using secondary steam cleaning, the steam needs to be turned on and run for 120 minutes. After hot water cleaning is heated to 100°C, steam is no longer used, which reduces the use of steam and saves energy.

[0039] The cleaning of the oil-water separator, condenser, cooler and supporting pipelines of the entire oil lifting system is also more thorough.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

[0041] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. An oil extraction system with a cleaning function, comprising an extraction tank (1), a condenser (2), a cooler (3), an oil-water separator (4) and an external circulation pump (5), wherein the liquid inlet of the external circulation pump (5) is connected to the bottom of the extraction tank (1) through a first circulation pipeline, the liquid outlet of the external circulation pump (5) is connected to the top of the extraction tank (1) through a second circulation pipeline, and the outlet of the cooler (3) is connected to the inlet of the oil-water separator (4) through a third communication pipeline, characterized in that: The invention also comprises an external circulation pipeline (7) connecting the second circulation pipeline and the third pipeline, wherein valves B (9) and valves C (10) for controlling the on-off of the pipelines are respectively installed at both ends of the external circulation pipeline (7), and valves A (8) and valves D (11) for controlling the on-off of the corresponding pipelines are respectively installed on the second circulation pipeline and the third connecting pipeline, and one end of the external circulation pipeline (7) is connected to the second circulation pipeline between the valve A (8) and the external circulation pump (5), and the other end of the external circulation pipeline (7) is connected to the third connecting pipeline between the valve D (11) and the cooler (3).

2. The oil extraction system of the extraction tank with cleaning function according to claim 1, characterized in that: The valve A (8), valve B (9), valve C (10) and valve D (11) are all electrically controlled valves that can be connected to an existing controller and can output control signals for controlling the corresponding valves to be opened or closed through the existing controller.

3. The oil extraction system of the extraction tank with cleaning function according to claim 2, characterized in that: It also comprises a foam trap installed at the steam outlet of the extraction tank (1), the outlet of the foam trap being connected to the condenser (2) via a fourth connecting pipe, the condenser (2) being connected to a cooler (3), and the water outlet of the oil-water separator (4) being connected to the extraction tank (1).

4. The oil extraction system of the extraction tank with cleaning function according to claim 3 is characterized in that: When valve A (8) and valve D (11) are closed and valve B (9) and valve C (10) are opened, the hot water in the extraction tank (1) flows sequentially through the first circulation pipeline, the external circulation pump (5), the second circulation pipeline, the external circulation pipeline (7), the cooler (3), the condenser (2), and finally flows back into the extraction tank (1) to form a condenser cleaning cycle.

5. The oil extraction system of the extraction tank with cleaning function according to claim 4, characterized in that: A duplex filter (6) is installed on the first circulation pipeline connected to the external circulation pump (5).

6. The oil extraction system of the extraction tank with cleaning function according to claim 5, characterized in that: The outer circulation pipeline (7) is a DN50 stainless steel pipe; the second circulation pipeline is a DN65 stainless steel pipe.

7. The oil extraction system of the extraction tank with cleaning function according to claim 6, characterized in that: A water supply pipe (12) is connected to the second circulation pipeline between the valve A (8) and the extraction tank (1), and a valve E (13) is installed on the water supply pipe (12). After the valve E (13) is opened, tap water is added into the extraction tank (1) through the water supply pipe (12).

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