CN214854138U

CN214854138U - Constant-temperature hot water circulation system for removing fishy smell of soybeans

Info

Publication number: CN214854138U
Application number: CN202120586269.8U
Authority: CN
Inventors: 王大顺; 李苏洲; 周先华; 罗太元
Original assignee: Chongqing Tianyou Dairy Co Ltd
Current assignee: Chongqing Tianyou Dairy Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-11-26
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to the technical field of bean product processing equipment, in particular to a constant temperature hot water circulating system for removing fishy smell of soybean, which comprises a high temperature steam pipeline, a water injection pipeline, a heat exchanger, a hot water tank and a passivator; the hot water tank is a closed type hot water tank, the lower part of the hot water tank is communicated with a drainage pipeline, the end part of the drainage pipeline is provided with a reversing valve, the outlet of the reversing valve is respectively communicated with a drainage pipeline with a drainage valve and a circulating pipeline with a check valve, and the other end of the circulating pipeline is communicated with a water injection pipeline; a temperature control device is arranged on the high-temperature steam pipeline, and a temperature sensing device is arranged on the hot water pipeline; the main controller is connected with the valve body, the pump body, the temperature control device and the temperature sensing device; 1. has the effects of saving heat energy and water and supplying water at constant temperature; 2. inactivating lipoxidase in the soybeans to achieve the purpose of removing fishy smell; 3. a CIP cleaning system is adopted to clean the hot water tank and the soda water tank in time.

Description

Constant-temperature hot water circulation system for removing fishy smell of soybeans

Technical Field

The utility model relates to a bean products processing equipment technical field specifically is a constant temperature hot water circulating system that is used for soybean to remove fishy smell.

Background

The soybean drink is rich in nutrition and is an important nutrient source in human life. Because the soybean contains lipoxygenase accounting for about 1 percent of the total protein content, the lipoxygenase can enzymatically oxidize multivalent unsaturated fatty acid to generate hydroperoxide as long as water is met, so that the bean beverage has beany flavor, and the quality and the mouthfeel of the bean beverage are greatly influenced. Since the inactivation temperature of lipoxygenase is above 80 °, it is generally necessary to inactivate the lipoxygenase in the process of preparing the soybean drink, i.e. to inactivate the lipoxygenase by heating. Among the passivation methods, hot milling is most commonly used. The hot milling method comprises draining soaking water from soaked semen glycines, introducing into passivation device, introducing hot water in hot water container into passivation device, and keeping the temperature of hot water above 80 deg.C for 10-15 min. The hot water container in the prior passivation process is usually open, and water vapor flows out and flows on the ground for a long time, so that partial heat and water are lost and wasted, the production environment is polluted, and the normal work of operators is influenced. In addition, because the water temperature of the hot water container is high, the water tank is easy to deform after long-time overflow, and the maintenance cost of an enterprise is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a constant temperature hot water circulating system for soybean removes fishy, it can retrieve heat energy and water, has energy-conserving, the stable characteristics of leaving water temperature.

In order to realize the purpose, the following technical scheme is provided:

a constant temperature hot water circulation system for removing fishy smell of soybean comprises a high temperature steam pipeline, a water injection pipeline, a heat exchanger, a hot water tank and a passivator; the high-temperature steam pipeline and the water injection pipeline are both provided with valve bodies, and the water injection pipeline is also provided with a pump body; the high-temperature steam pipeline is communicated with a hot fluid input end of the heat exchanger, the water injection pipeline is communicated with a cold fluid input end of the heat exchanger, a cold fluid output end of the heat exchanger is communicated with a hot water pipeline, and the hot water pipeline is communicated with an inlet of a hot water tank; the hot water tank is communicated with the passivator through a constant-temperature water supply pipeline; the hot water tank is a closed type hot water tank, the lower part of the hot water tank is communicated with a drainage pipeline, the end part of the drainage pipeline is provided with a reversing valve, the outlet of the reversing valve is respectively communicated with a drainage pipeline and a circulating pipeline with a check valve, and the other end of the circulating pipeline is communicated with a water injection pipeline; a temperature control device is arranged on the high-temperature steam pipeline, and a temperature sensing device is arranged on the hot water pipeline; the temperature control device is characterized by further comprising a main controller connected with the valve body, the pump body, the temperature control device and the temperature sensing device.

The utility model discloses a theory of operation and theory of use lie in: a heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid. High-temperature steam is adopted as a heat source in the application, the high-temperature steam is input into the heat exchanger to exchange heat with water, and then the heated water is input into the hot water tank. The high-temperature steam and the water are not mixed in the heat exchanger and only flow in and out of the respective channels, and in the process, the high-temperature steam is in contact with the water pipe to transfer heat energy to the water in the water pipe so as to achieve the aim of heating the water. In the context of the present application, it is,

1. water is input into the cold fluid input end of the heat exchanger through the water injection pipeline, meanwhile, high-temperature steam is input into the hot fluid input end of the heat exchanger through the high-temperature steam pipeline, and the water is heated by the high-temperature steam. The heated water flows into a hot water pipeline through a cold fluid output end and then enters a hot water tank, the hot water tank inputs constant-temperature hot water into the passivation device through a constant-temperature water supply pipeline, the soybeans in the passivation device are soaked by the hot water, and lipoxidase in the soybeans is passivated, so that the effect of removing fishy smell is achieved. In the process, the temperature of hot water is measured through a temperature sensing device arranged on a hot water pipeline, signals are fed back to a main controller, and the main controller respectively adjusts the injection proportion of high-temperature steam and water by controlling the opening degrees of the temperature control device and a valve body on the pipeline so as to achieve the effect of constant outlet water temperature of the hot water tank.

2. The closed hot water tank is adopted, and the leakage of steam and water is avoided. When the hot water tank is full of water, the water does not need to be continuously input by the water injection pipeline or the water in the hot water tank does not reach the set temperature, and the valve body on the water injection pipeline is closed by the controller. Water stored in the hot water tank enters the circulating pipeline through the drainage pipeline and then enters the water injection pipeline through the circulating pipeline, water discharged from the hot water tank still has partial heat energy, and after entering the heat exchanger, the partial water can be heated to the preset temperature more quickly, so that the loss of high-temperature steam is reduced, and the energy-saving effect is achieved.

3. After coming out from the hot fluid output end of the heat exchanger, the high-temperature steam can be discharged by a hot fluid discharge pipeline and also can flow into a hot water pipeline through a condensate water recovery pipeline, so that the effect of saving water is achieved.

4. By inputting soda water into the passivation device, the effect of better passivating the lipoxygenase in the soybeans is realized.

The utility model has the beneficial technical effects that: 1. the closed hot water circulation path is adopted, so that the effect of saving heat energy and water is achieved; 2. the effect of supplying water to the passivator at constant temperature is realized, and the hot water is used for passivating lipoxidase in the soybeans to achieve the purpose of removing fishy smell; 3. the lipoxidase in the soybeans can be better passivated by soaking the soybeans in hot water and soda water, and the fishy smell removing effect is better; 4. in order to prevent the hot water tank and the soda water tank from generating scale after being used for a long time at the inner part and the bottom of the hot water tank and the soda water tank, a CIP cleaning system is adopted to clean the hot water tank and the soda water tank in time.

Drawings

Fig. 1 is a schematic diagram of the constant temperature hot water circulation system for removing fishy smell of soybean of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

In the figure: 1. a high temperature steam line; 2. a water injection pipeline; 3. a heat exchanger; 4. a hot water tank; 5. a passivator; 6. a hot water pipe; 7. a constant temperature water supply pipeline; 8. a water discharge pipeline; 9. a diverter valve; 10. a discharge valve; 11. a discharge conduit; 12. a check valve; 13. a circulation pipe; 14. a hot fluid output manifold; 15. a hot fluid discharge line; 16. a condensate recovery pipeline; 17. soda water tanks; 18. a soda water output main pipe; 19. a waste liquid discharge pipe; 20. a stirrer; 21. cleaning and inputting the CIP into a main road; 22. cleaning an output main channel by CIP; 23. a liquid ring pump; 24. a lead-out pipe; 25. an automatic valve; 26. an electric pressure regulating valve; 27. a pressure display; 28. a temperature controller; 29. a temperature transmitter; 30. a liquid level high limit measuring element; 31. a liquid level lower limit measuring element; 32. a temperature sensing element.

Detailed Description

The following describes a constant temperature hot water circulation system for removing fishy smell of soybean according to the present invention with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, a constant temperature hot water circulation system for removing fishy smell of soybean comprises a high temperature steam pipeline 1, a water injection pipeline 2, a heat exchanger 3, a hot water tank 4 and a passivator 5; the high-temperature steam pipeline 1 and the water injection pipeline 2 are both provided with valve bodies, and the water injection pipeline 2 is also provided with a pump body; the high-temperature steam pipeline 1 is communicated with the input end of hot fluid of the heat exchanger 3, the water injection pipeline 2 is communicated with the cold fluid input end of the heat exchanger 3, the cold fluid output end of the heat exchanger 3 is communicated with the hot water pipeline 6, and the hot water pipeline 6 is communicated with the inlet of the hot water tank 4; the hot water tank 4 is communicated with the passivator 5 through a constant-temperature water supply pipeline 7; the hot water tank 4 is a closed hot water tank 4, the lower part of the hot water tank 4 is communicated with a drainage pipeline 8, the end part of the drainage pipeline 8 is provided with a reversing valve 9, the outlet of the reversing valve 9 is respectively communicated with a drainage pipeline 11 with a drainage valve 10 and a circulating pipeline 13 with a check valve 12, and the other end of the circulating pipeline 13 is communicated with the water injection pipeline 2; a temperature control device is arranged on the high-temperature steam pipeline 1, and a temperature sensing device is arranged on the hot water pipeline 6; the temperature control device is characterized by further comprising a main controller connected with the valve body, the pump body, the temperature control device and the temperature sensing device.

The valve body on the water injection pipeline 2 is positioned in front of the connection node of the circulating pipeline 13 and the water injection pipeline 2, so that the pump body provides power for injected water and circulating water.

The heat exchanger 3 is a device that transfers part of the heat of a hot fluid to a cold fluid. In the application, high-temperature steam is used as a heat source, the high-temperature steam is input into the heat exchanger 3 to exchange heat with water, and then the heated water is input into the hot water tank 4. The high-temperature steam and the water are not mixed in the heat exchanger 3 and only flow in and out of respective channels, and the high-temperature steam channel is tightly attached to the water channel. In the process, the high-temperature steam is contacted with the water pipe to transfer heat energy to water in the water pipe so as to achieve the aim of heating the water. In this application, through water injection pipeline 2 to 3 cold fluid input ends input water of heat exchanger, meanwhile through 1 input high temperature steam in the hot fluid input end to heat exchanger 3 of high temperature steam pipeline, high temperature steam heats water. The heated water flows into a hot water pipeline 6 through a cold fluid output end and then enters a hot water tank 4, the hot water tank 4 inputs constant-temperature hot water into a passivation device 5 through a constant-temperature water supply pipeline 7, the soybeans in the passivation device 5 are soaked by the hot water, and lipoxygenase in the soybeans is passivated, so that the effect of removing fishy smell is achieved. In the process, the temperature of hot water is measured through a temperature sensing device arranged on the hot water pipeline 6, signals are fed back to a main controller, and the main controller respectively adjusts the injection proportion of high-temperature steam and water by controlling the opening degrees of the temperature control device and a valve body on the pipeline so as to achieve the effect of constant temperature of the outlet water of the hot water tank 4.

Because the closed hot water tank 4 is adopted, the leakage of steam and water is avoided. When the hot water tank 4 is full of water, the water does not need to be continuously input by the water injection pipeline 2 or the water in the hot water tank 4 does not reach the set temperature, and the valve body on the water injection pipeline 2 is closed by the controller. Water stored in the hot water tank 4 enters the circulating pipeline 13 through the water drainage pipeline 8 and then enters the water injection pipeline 2 through the circulating pipeline 13, water from the hot water tank 4 still has partial heat energy, and after entering the heat exchanger 3, the partial water can be heated to the preset temperature more quickly, so that the loss of high-temperature steam is reduced, and the energy-saving effect is achieved. The check valve 12 on the circulation pipe 13 allows only water in the hot water tank 4 to flow toward the water injection pipe 2, and water in the water injection pipe 2 cannot directly enter the hot water tank 4.

In this embodiment, the valve bodies of the high-temperature steam pipeline 1 and the water injection pipeline 2 are all automatic valves 25, and the pump body of the water injection pipeline 2 is a liquid ring pump 23. The temperature control device on the high-temperature steam pipeline 1 comprises an electric pressure regulating valve 26, and a pressure display 27 and a temperature controller 28 are installed on the electric pressure regulating valve 26.

The temperature sensing device is arranged on a temperature detection element on the hot water pipeline 6, the temperature detection element is connected with a temperature transmitter 29, and the temperature transmitter 29 is connected with a temperature controller 28; the temperature detecting element is used as a sensor for detecting temperature, and the output of the temperature detecting element is not a standard current signal, and a signal converter is required to convert an RTD signal provided by the temperature detecting element into a temperature signal. The temperature transmitter 29 automatically converts the signal detected by the temperature detecting element into a standard current signal and sends the standard current signal to the temperature controller 28.

In this embodiment, the main controller is a PLC programmable logic controller, and the PLC receives temperature signals from the temperature control device and the temperature sensing device, and controls the opening and closing or opening of the valve body and the pump body to adjust the injection ratio of the high-temperature steam and the water, so as to achieve the effect of constant temperature of the outlet water of the hot water tank 4. The valve body includes a change valve 9, a discharge valve 10, an electric pressure regulating valve 26, and the like. Because the particle size of the soybean base material and the baking temperature of different varieties are different, the water adding amount is different. The water injection amount is adjusted by an operator, and the water temperature is also set by the operator; once the parameters are set by the program, the PLC automatically adjusts the injection amount of the high-temperature steam and the water according to the difference between the set value and the actual temperature so as to control the outlet temperature to be stable.

The upper portion of hot-water cylinder 4 is equipped with liquid level high limit measuring element 30, and the lower part is equipped with liquid level low limit measuring element 31, can the accurate liquid level condition of measuring in the hot-

water cylinder

4, and 4 water-filled backs of hot-water cylinder, water injection pipeline 2 stops into water, and the hot water in the hot-water cylinder 4 gets into circulating line 13 and begins the circulation. Avoid the full water state for a long time, the jar body takes place to warp.

Further, a hot fluid output end of the heat exchanger 3 is communicated with a hot fluid output header pipe 14, the hot fluid output header pipe 14 is respectively communicated with a hot fluid discharge pipeline 15 and a condensate recovery pipeline 16, the condensate recovery pipeline 16 is communicated with the hot water pipeline 6, and a discharge valve 10 is arranged on the discharge pipeline 11.

After coming out from the hot fluid output end of the heat exchanger 3, the high-temperature steam can be discharged by a hot fluid discharge pipeline 15, and can also flow into the hot water pipeline 6 through a condensate water recovery pipeline 16, so that the effect of saving water is achieved. The discharge valve 10 can be a manual valve or an automatic valve 25, the automatic valve 25 is connected with a main controller, and the opening and closing or the opening degree of the valve body is controlled by the main controller. The discharge valve 10 is an automatic valve 25 in this particular embodiment.

Further, a soda water tank 17 is included, the output end of the soda water tank 17 is provided with a soda water output main pipe 18 communicated with the passivation device 5, the lower part of the soda water tank 17 is also provided with a waste liquid discharge pipeline 19, and the waste liquid discharge pipeline 19 is provided with a discharge valve 10. By feeding soda water into the passivation unit 5, the effect of better passivating lipoxygenase in soybeans is achieved. In this embodiment, the soda tank 17 is provided with a soda solution feeding pipe at the upper part and a discharge valve 10 at the bottom part. The temperature of the soda water in the soda water tank 17 is identical to the temperature of the hot water in the hot water tank to ensure the passivation effect.

In the embodiment, the original open type hot water tank is integrated into a whole, a water source is added in a sealed and concentrated manner and is heated automatically, and then the water source is distributed to each passivator 5 in a unified manner, and the soda addition is realized by a unified tank.

Further, stirrers 20 are provided in both the hot water tank 4 and the soda tank 17. Can guarantee the quick homogeneous of jar interior temperature.

Further, a CIP cleaning system is also included, and the CIP cleaning system comprises a CIP cleaning input main pipe 21 and a CIP cleaning output main pipe 22; the hot water tank 4 and the soda water tank 17 are connected in parallel between the CIP cleaning input main pipeline 21 and the CIP cleaning output main pipeline 22, valve bodies are arranged on pipelines of the CIP cleaning input main pipeline 21 to the hot water tank 4 and the soda water tank 17, and a water discharge pipeline 8 of the hot water tank 4 is communicated with the CIP cleaning output main pipeline 22 through a steering valve; the waste liquid discharge pipeline 19 of the soda water tank 17 is communicated with a CIP cleaning output main pipeline 22 through a valve body, and a liquid ring pump 23 is further arranged on the CIP cleaning output main pipeline 22. The central CIP station delivers cleaning fluid to the CIP cleaning input manifold 21 and finally to the central CIP station by a fluid ring pump 23 provided in the CIP cleaning output manifold 22. The hot water tank 4 and the soda tank 17 are arranged in parallel, the two tanks can be cleaned by CIP respectively, and valve bodies on pipelines leading to the hot water tank 4 and the soda tank 17 through the CIP cleaning input main 21 can be switched. The valve body can be a manual valve or an automatic valve 25, the automatic valve 25 is connected with a main controller, and the opening and closing or the opening degree of the valve body is controlled by the main controller. The valve body is an automatic valve 25 in this particular embodiment.

Further, when the soda concentration or temperature needs to be adjusted, the water discharge pipe 8 of the hot water tank 4 is communicated with the soda tank 17 through the outlet pipe 24 and the valve body, so that the hot water in the hot water tank 4 enters the soda tank 17.

Claims

1. A constant-temperature hot water circulation system for removing fishy smell of soybeans comprises a high-temperature steam pipeline (1), a water injection pipeline (2), a heat exchanger (3), a hot water tank (4) and a passivator (5); the high-temperature steam pipeline (1) and the water injection pipeline (2) are both provided with valve bodies, and the water injection pipeline (2) is also provided with a pump body; the high-temperature steam pipeline (1) is communicated with the input end of hot fluid of the heat exchanger (3), the water injection pipeline (2) is communicated with the cold fluid input end of the heat exchanger (3), and the cold fluid output end of the heat exchanger (3) is communicated with the inlet of the hot water tank (4) through the hot water pipeline (6); the hot water tank (4) is communicated with the passivator (5) through a constant-temperature water supply pipeline (7); the device is characterized in that the hot water tank (4) is a closed hot water tank (4), the lower part of the hot water tank (4) is communicated with a drainage pipeline (8), the end part of the drainage pipeline (8) is provided with a reversing valve (9), the outlet of the reversing valve (9) is respectively communicated with a discharge pipeline (11) and a circulating pipeline (13) with a check valve (12), and the other end of the circulating pipeline (13) is communicated with the water injection pipeline (2); a temperature control device is arranged on the high-temperature steam pipeline (1), and a temperature sensing device is arranged on the hot water pipeline (6); the temperature control device is characterized by further comprising a main controller connected with the valve body, the pump body, the temperature control device and the temperature sensing device.

2. The constant-temperature hot water circulation system for removing the fishy smell of the soybeans according to claim 1, wherein a hot fluid output end of the heat exchanger (3) is communicated with a hot fluid output header pipe (14), the hot fluid output header pipe (14) is respectively communicated with a hot fluid discharge pipeline (15) and a condensate water recovery pipeline (16), the condensate water recovery pipeline (16) is communicated with a hot water pipeline (6), and a discharge valve (10) is arranged on a discharge pipeline (11).

3. The constant-temperature hot water circulation system for removing the fishy smell of the soybeans according to claim 1 or 2, further comprising a soda water tank (17), wherein an output end of the soda water tank (17) is provided with a soda water output main pipe (18) communicated with the passivator (5), a waste liquid discharge pipeline (19) is further arranged at the lower part of the soda water tank (17), and a discharge valve (10) is arranged on the waste liquid discharge pipeline (19).

4. A constant temperature hot water circulation system for soybean deodorization according to claim 3, characterized in that stirrers (20) are arranged in the hot water tank (4) and the soda water tank (17).

5. The constant-temperature hot water circulation system for removing soybean smell according to claim 3, further comprising a CIP cleaning system, wherein the CIP cleaning system comprises a CIP cleaning input main (21) and a CIP cleaning output main (22); the hot water tank (4) and the soda water tank (17) are connected in parallel between the CIP cleaning input main pipeline (21) and the CIP cleaning output main pipeline (22), valve bodies are arranged on pipelines of the CIP cleaning input main pipeline (21) leading to the hot water tank (4) and the soda water tank (17), and a water drainage pipeline (8) of the hot water tank (4) is communicated with the CIP cleaning output main pipeline (22) through a diverter valve; a waste liquid discharge pipeline (19) of the soda water tank (17) is communicated with a CIP cleaning output main pipeline (22) through a valve body, and a liquid ring pump (23) is also arranged on the CIP cleaning output main pipeline (22).

6. The constant-temperature hot water circulation system for removing soybean smell according to claim 4, further comprising a CIP cleaning system, wherein the CIP cleaning system comprises a CIP cleaning input main (21) and a CIP cleaning output main (22); the hot water tank (4) and the soda water tank (17) are connected in parallel between the CIP cleaning input main pipeline (21) and the CIP cleaning output main pipeline (22), valve bodies are arranged on pipelines of the CIP cleaning input main pipeline (21) leading to the hot water tank (4) and the soda water tank (17), and a water drainage pipeline (8) of the hot water tank (4) is communicated with the CIP cleaning output main pipeline (22) through a diverter valve; a waste liquid discharge pipeline (19) of the soda water tank (17) is communicated with a CIP cleaning output main pipeline (22) through a valve body, and a liquid ring pump (23) is also arranged on the CIP cleaning output main pipeline (22).

7. The constant-temperature hot water circulation system for soybean deodorization according to claim 3, wherein the water discharge pipeline (8) of the hot water tank (4) is communicated with the soda water tank (17) through an outlet pipe (24) and a valve body.

8. The constant-temperature hot water circulation system for soybean deodorization according to claim 4, 5 or 6, characterized in that the water discharge pipeline (8) of the hot water tank (4) is communicated with the soda water tank (17) through an outlet pipe (24) and a valve body.