Defoaming agent preparation and disinfection device

Abstract

The utility model belongs to the technical field of defoaming agent use, and particularly relates to a defoaming agent preparation and disinfection device, a feeding hole and a discharging hole are formed in a defoaming agent tank, the feeding hole is respectively connected with a defoaming agent storage tank and a water source, and the discharging hole is connected with a fermentation system; a heat preservation shell is arranged on the outer wall of the defoaming agent tank, and a heat preservation cavity is formed by the heat preservation shell and the outer wall of the defoaming agent tank; the defoaming agent tank is further provided with a steam inlet, a sterile air inlet, an emptying valve and a pressure gauge, the steam inlet is connected with a steam production device through a steam pipe, and the sterile air inlet is connected with a sterile air source through a sterile air pipe; according to the device, a defoaming agent with a specific concentration can be prepared according to production requirements, sterile disinfection is carried out, the temperature of the defoaming agent can be kept constant, the viscosity of the defoaming agent is reduced, smooth conveying of the defoaming agent is facilitated, positive pressure is maintained in the tank through sterile air, and the sterile state of the defoaming agent is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of defoaming agent use, and specifically relates to a defoaming agent configuration and disinfection device. Background Art

[0002] During the citric acid fermentation process, the fermentation liquid will produce a lot of foam, which needs to be defoamed by adding a defoamer. The defoamer is a viscous liquid. Problems and defects in the prior art: (1) The concentration of the defoamer stock solution is high, and it has a great impact on the dissolved oxygen in the fermentation tank after being directly added, affecting the acid production of citric acid fermentation; (2) The defoamer stock solution is viscous, difficult to transport and difficult to measure; (3) The defoamer is viscous and cannot be thoroughly disinfected, resulting in the risk of bacterial contamination; (4) During use, as the temperature of the defoamer decreases, the viscosity increases, making it difficult to transport. Utility Model Content

[0003] In view of the many shortcomings of the prior art, the utility model provides a defoaming agent preparation and disinfection device, through which a defoaming agent of a specific concentration can be prepared according to production needs and sterilized, and at the same time, the temperature of the defoaming agent can be kept constant during use, thereby reducing the viscosity of the defoaming agent, which is conducive to the smooth transportation of the defoaming agent, and sterile air is used to maintain positive pressure in the tank to ensure the sterile state of the defoaming agent.

[0004] The technical solution of the utility model is as follows:

[0005] A defoamer configuration and disinfection device comprises a defoamer tank, a stirring device is arranged inside the defoamer tank, a feed port and a discharge port are arranged on the defoamer tank, the feed port is respectively connected to a defoamer storage tank and a water source, and the discharge port is connected to a fermentation system; an insulation shell is arranged on the outer wall of the defoamer tank, and the insulation shell and the outer wall of the defoamer tank form an insulation cavity; a steam inlet, a sterile air inlet and an exhaust valve are also arranged on the defoamer tank, the steam inlet is connected to a steam production device through a steam pipe, and the sterile air inlet is connected to a sterile air source through a sterile air pipe; a pressure gauge is arranged on the defoamer tank.

[0006] Preferably, the heat-insulating shell is connected to a hot water source via a heat-insulating water inlet pipe, and the heat-insulating shell is connected to other heat source utilization devices via a heat-insulating water outlet pipe.

[0007] Preferably, the position where the insulation shell is connected to the insulation water inlet pipe is set at the bottom of the insulation shell, and the position where the insulation shell is connected to the insulation water outlet pipe is set at the top of the insulation shell.

[0008] Preferably, the drain valve, pressure gauge and sterile air inlet of the defoamer tank are all arranged on the top of the defoamer tank.

[0009] Preferably, the steam inlet of the defoamer tank is arranged at the lower part of the defoamer tank, and one end of the steam pipe passes through the heat-insulating shell and is arranged in the defoamer tank.

[0010] Preferably, the discharge port of the defoamer tank is arranged at the bottom of the defoamer tank, and the discharge port passes through the insulation shell to connect to the fermentation system.

[0011] Preferably, a liquid level pressure sensor and a temperature sensor are arranged in the defoaming agent tank.

[0012] Preferably, a steam filter is provided on the steam pipe, and a sterile air filter is provided on the sterile air pipe.

[0013] Preferably, the defoamer tank is connected to the defoamer storage tank through a defoamer pipe, a defoamer exhaust valve is arranged on the defoamer pipe, the feed port on the defoamer tank is connected to the hot water source through a water pipe, a water exhaust valve is arranged on the water pipe; and a gas exhaust valve is arranged on the sterile air pipe.

[0014] Preferably, valves are correspondingly provided on the pipelines between the above-mentioned devices to control the inflow and outflow of substances.

[0015] The utility model can set the liquid level values ​​of water and defoaming agent added by a liquid level pressure sensor according to the required ratio of the defoaming agent, first add water, stop adding water when the liquid level reaches the water level setting value, then add the defoaming agent, stop adding the defoaming agent when the liquid level reaches the total liquid level setting value, then pass steam for disinfection, maintain constant temperature for a set time after heating to the set disinfection temperature, pass sterile air to maintain positive pressure after the disinfection is completed, and ensure the sterile state of the defoaming agent. At the same time, a heat preservation shell is arranged on the outer wall of the defoaming agent tank, and hot water is arranged in the heat preservation chamber to maintain the constant temperature of the defoaming agent, thereby ensuring the low viscosity and fluidity of the defoaming agent, thereby ensuring the normal transportation of the defoaming agent.

[0016] In summary, the defoaming agent configuration and disinfection device provided by the utility model can be configured according to the defoaming agent concentration required for production; and can perform aseptic disinfection; during use, the temperature of the defoaming agent is constant, which reduces the viscosity of the defoaming agent and is beneficial to the transportation and use of the defoaming agent; and sterile air is used to maintain positive pressure in the tank to ensure the sterile state of the defoaming agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] In the figure, 1 is a defoaming agent tank, 2 is an insulation shell, 3 is a liquid level pressure sensor, 4 is a stirring device, 5 is a feed port, 6 is a pressure gauge, 7 is an emptying valve, 8 is a temperature sensor, 9 is a discharge port, 10 is an insulation outlet pipe, 11 is a steam pipe, 12 is an insulation inlet pipe, 13 is a discharge pipe, 14 is a hot water source, 15 is a fermentation system, 16 is a water pipe, 16-1 is a main valve on the water pipe, 16-2 is a water inlet valve, 16-3 is a water exhaust valve, 17 is a defoamer storage tank, 18 is a defoamer pipe, 18-1 is a main valve on the defoamer pipe, 18-2 is a feed valve, 18-3 is a defoamer exhaust valve, 19 is other heat source utilization devices, 20 is a sterile air source, 21 is a sterile air filter, 22 is a sterile air pipe, 22-1 is a main valve on the sterile air pipe, 22-2 is a sterile air valve, 22-3 is an air exhaust valve, 23 is a steam production device, and 24 is a steam filter. DETAILED DESCRIPTION

[0019] In order to make the technical solution of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings. The specific examples described here are only used to explain the utility model and are not used to limit the utility model.

[0020] As shown in the figure, a defoamer configuration and disinfection device comprises a defoamer tank 1, a stirring device 4 is arranged inside the defoamer tank 1, a feed port 5 and a discharge port 9 are arranged on the defoamer tank 1, the feed port 5 is respectively connected to the defoamer storage tank 17 and the water source, and the discharge port 9 is connected to the fermentation system 15; an insulation shell 2 is arranged on the outer wall of the defoamer tank 1, and the insulation shell 2 and the outer wall of the defoamer tank 1 form an insulation cavity; a steam inlet, a sterile air inlet and an emptying valve 7 are also arranged on the defoamer tank 1, the steam inlet is connected to the steam production device 23 through the steam pipe 11, and the sterile air inlet is connected to the sterile air source 20 through the sterile air pipe 22; a pressure gauge 6 is arranged on the defoamer tank 1.

[0021] In another embodiment, the discharge port 9 and the feed port 5 pass through the insulation shell 2 respectively, and the processed material 9 and the feed port 5 are fixedly connected to the insulation shell to prevent water in the insulation chamber from overflowing; the insulation shell 2 is connected to the hot water source 14 through the insulation water inlet pipe 12, and the insulation shell 2 is connected to other heat source utilization devices 19 through the insulation water outlet pipe 10, and the feed port 5 of the defoaming agent tank 1 is connected to the hot water source 14. The hot water of the hot water source 14 can be directly used to configure a specific concentration of the defoaming agent, and can also be used to maintain the temperature of the defoaming agent to ensure the low viscosity and fluidity of the defoaming agent, which is beneficial to the normal transportation of the defoaming agent.

[0022] In another embodiment, the position where the insulation shell 2 is connected to the insulation water inlet pipe 12 is set at the bottom of the insulation shell 2, and the position where the insulation shell 2 is connected to the insulation water outlet pipe 10 is set at the top of the insulation shell 2; the drain valve 7, pressure gauge 6, and sterile air inlet of the defoamer tank 1 are all set at the top of the defoamer tank 1; the steam inlet of the defoamer tank 1 is set at the lower part of the defoamer tank 1, and one end of the steam pipe 11 passes through the insulation shell 2 and is set in the defoamer tank 1; the discharge port 9 of the defoamer tank 1 is set at the bottom of the defoamer tank 1, and the discharge port 9 passes through the insulation shell 2 to connect to the fermentation system 15; the probe of the temperature sensor 8 passes through the insulation shell 2 and is set inside the defoamer tank 1.

[0023] In another embodiment, a liquid level pressure sensor 3 is provided on the defoaming agent tank 1 . The liquid level pressure sensor 3 is used to configure a defoaming agent of a specific concentration, so as to clearly determine the liquid level in the defoaming agent tank 1 .

[0024] In another embodiment, a steam filter 24 is provided on the steam pipe 11 , and a sterile air filter 21 is provided on the sterile air pipe 22 , so as to further sterilize the steam and the air respectively, and prevent impurities from entering the defoaming agent tank 1 .

[0025] In another embodiment, the defoamer tank 1 is connected to the defoamer storage tank 17 through a defoamer pipe 18, a defoamer exhaust valve 18-3 is provided on the defoamer pipe 18, the defoamer tank 1 is connected to the hot water source 14 through a water pipe 16, a water exhaust valve 16-3 is provided on the water pipe 16; the sterile air pipe 22 is provided with a gas exhaust valve 22-3 for exhaust and disinfection during disinfection.

[0026] In another embodiment, a temperature sensor 8 is disposed in the defoaming agent tank 1 , and one end of the temperature sensor 9 passes through the insulation shell 2 and the side wall of the defoaming agent tank 1 and is disposed in the defoaming agent tank 1 , with a gap between the insulation sensor 9 and the insulation shell 2 .

[0027] In another embodiment, valves are correspondingly arranged on the pipelines between the above-mentioned devices to control the inflow and outflow of substances; a main valve 16-1, a water inlet valve 16-2 and a water exhaust valve 16-3 are arranged on the water pipe 16, the water inlet valve 16-2 is arranged at a position close to the defoamer tank 1, and the water exhaust valve 16-3 is arranged between the main valve 16-1 and the water inlet valve 16-2; a main valve 18-1, a feed valve 18-2 and a defoamer exhaust valve 18-3 are arranged on the defoamer pipe 18, and the feed valve 18-2 is arranged at a position close to the defoamer tank 1. Position, the defoaming agent exhaust valve 18-3 is arranged between the main valve 18-1 and the feed valve 18-2; the main valve 22-1, the sterile air valve 22-2 and the air exhaust valve 22-3 are arranged on the sterile air pipe 22, the sterile air valve 22-2 is arranged at a position close to the defoaming agent tank 1, and the gas exhaust valve 22-3 is arranged between the main valve 22-1 and the sterile air valve 22-2; valves are arranged on the steam pipe 11, the insulation water inlet pipe 12, and the insulation water outlet pipe 10, and a valve is also arranged on the discharge pipe between the discharge port 9 and the fermentation system 15.

[0028] When used specifically:

[0029] (1) Adding water: First, open the drain valve 7, then open the main valve 16-1 and the water inlet valve 16-2 on the water pipe 16 to add water. Set the water adding level L1 according to the target defoamer concentration. When the water is added to the set stirring level L2, the stirring device 4 starts stirring. When the water continues to be added to the set level L1, close the main valve 16-1 and open the water exhaust valve 16-3;

[0030] (2) Adding defoamer: set the total liquid level C according to the target defoamer concentration, open the main valve 18-1 and the feed valve 18-2 on the defoamer pipe 18, and when the liquid level reaches the set total liquid level C, close the main valve 18-1 and open the defoamer exhaust valve 18-3;

[0031] (3) Disinfection: Open the valve on the steam pipe 11 at the bottom of the tank, introduce steam into the defoamer tank 1, close the main valve 22-1 on the sterile air pipe 22, open the sterile air valve 22-2 and the air exhaust valve 22-3, and when the temperature reaches the set temperature value T1, close the drain valve 7, and continue to heat up to the disinfection set temperature T2, adjust and control through the steam regulating valve, start timed constant temperature disinfection, and at the same time, steam disinfects the inlet pipeline through the water exhaust valve 16-3, the defoamer exhaust valve 18-3, and the air exhaust valve 22-3;

[0032] (4) Pressurization: When the constant temperature disinfection reaches the set time t, close the valve on the steam pipe 11 at the bottom of the tank, close the water inlet valve 16-2, the feed valve 18-2 and the gas exhaust valve 22-3, open the main valve 22-1 on the sterile air pipe 22, and introduce sterile air into the tank to maintain positive pressure in the tank to prevent external bacteria from entering;

[0033] (5) Use: Open the valve on the discharge pipe 13 connected to the discharge port 9 of the defoamer tank 1, and press the sterile defoamer of a specific concentration into the fermentation tank of the fermentation system 15 through sterile air;

[0034] (6) Insulation: When the temperature in the defoaming agent tank 1 is lower than the set value T3, the valves on the insulation water inlet pipe 12 and the insulation water outlet pipe 10 are opened to introduce hot water into the insulation chamber for insulation to prevent the low-temperature defoaming agent from becoming thick and causing a transportation failure.

[0035] According to the required ratio of the defoaming agent, water is added first, then the defoaming agent, and then steam is passed in for sterilization. After the temperature is raised to the disinfection temperature, constant temperature disinfection is maintained for a specified time. After the disinfection is completed, sterile air is passed in to maintain positive pressure to ensure the sterile state of the defoaming agent. At the same time, the insulation shell 2 arranged on the outer wall of the defoaming agent tank is provided with hot water passed in the insulation cavity to maintain the constant temperature of the defoaming agent, thereby ensuring the low viscosity and fluidity of the defoaming agent, thereby ensuring the normal transportation of the defoaming agent.

[0036] The utility model provides a defoamer configuration and disinfection device, which can configure the defoamer concentration according to production needs and perform aseptic disinfection. During use, the temperature of the defoamer is constant, which reduces the viscosity of the defoamer and is beneficial to the transportation and use of the defoamer. Sterile air is used to maintain positive pressure in the tank, ensuring the aseptic state of the defoamer.

Claims

1. A defoamer preparation and disinfection device, comprising a defoamer tank (1), wherein a stirring device (4) is arranged inside the defoamer tank (1), characterized in that: The defoamer tank (1) is provided with a feed port (5) and a discharge port (9), the feed port (5) being connected to a defoamer storage tank (17) and a water source respectively, and the discharge port (9) being connected to a fermentation system (15); a heat preservation shell (2) is provided on the outer wall of the defoamer tank (1), and the heat preservation shell (2) and the outer wall of the defoamer tank (1) form a heat preservation chamber; the defoamer tank (1) is also provided with a steam inlet, a sterile air inlet, an exhaust valve (7) and a pressure gauge (6), the steam inlet being connected to a steam production device (23) via a steam pipe (11), and the sterile air inlet being connected to a sterile air source (20) via a sterile air pipe (22).

2. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: The heat-insulating shell (2) is connected to a hot water source (14) via a heat-insulating water inlet pipe (12), and the heat-insulating shell (2) is connected to other heat source utilization devices (19) via a heat-insulating water outlet pipe (10).

3. A defoaming agent configuration and disinfection device according to claim 2, characterized in that: The feed port (5) of the defoamer tank (1) is connected to a hot water source (14).

4. A defoaming agent configuration and disinfection device according to claim 2, characterized in that: The position where the insulation shell (2) is connected to the insulation water inlet pipe (12) is arranged at the bottom of the insulation shell (2), and the position where the insulation shell (2) is connected to the insulation water outlet pipe (10) is arranged at the top of the insulation shell (2).

5. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: The exhaust valve (7), the pressure gauge (6) and the sterile air inlet of the defoaming agent tank (1) are all arranged at the top of the defoaming agent tank (1).

6. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: The steam inlet of the defoamer tank (1) is arranged at the lower part of the defoamer tank (1), and one end of the steam pipe (11) passes through the heat-insulating shell (2) and is arranged in the defoamer tank (1).

7. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: The discharge port (9) of the defoamer tank (1) is arranged at the bottom of the defoamer tank (1), and the discharge port (9) passes through the heat-insulating shell (2) to connect to the fermentation system (15).

8. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: A liquid level pressure sensor (3) and a temperature sensor (8) are arranged in the defoaming agent tank (1).

9. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: The steam pipe (11) is provided with a steam filter (24), and the sterile air pipe (22) is provided with a sterile air filter (21).

10. A defoaming agent configuration and disinfection device according to claim 1, characterized in that: The defoamer tank (1) is connected to the defoamer storage tank (17) via a defoamer pipe (18), a defoamer exhaust valve (18-3) is provided on the defoamer pipe (18), a feed port (5) of the defoamer tank (1) is connected to a water source via a water pipe (16), a water exhaust valve (16-3) is provided on the water pipe (16); and the sterile air pipe (22) is provided with a gas exhaust valve (22-3).

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