Fermentation liquid chilling device with safety protection

Abstract

The utility model belongs to the technical field of industrial beer production, and particularly relates to a fermentation liquor chilling device with safety protection, which comprises a plate heat exchanger, one side of the plate heat exchanger is connected with a fermentation liquor inlet pipe and a cooled fermentation liquor outlet pipe, the other side of the plate heat exchanger is connected with a liquid ammonia inlet pipe and a heat-exchanged ammonia outlet pipe, the fermentation liquor inlet pipe is provided with a fermentation liquor pump for controlling fermentation liquor to flow into the plate heat exchanger, and the fermentation liquor inlet pipe is provided with a flowmeter, a thermometer, a first pH meter and a pressure sensor; the cooled fermentation liquor outlet pipe is provided with a temperature sensor and a second pH meter, the fermentation liquor pump is a variable frequency pump, the power of the fermentation liquor pump is controlled according to the flow of the flow meter, and the first pH meter is used for detecting the pH of the fermentation liquor in the pipeline. According to the utility model, the pH value is monitored in real time through the pH meter, the power of the variable frequency pump is controlled through the flow meter, and the pneumatic diaphragm regulating valve is controlled through the temperature sensor. According to the utility model, the system operation state is monitored in multiple dimensions, and the safety risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of industrialized beer production, in particular to a fermentation liquid quenching device with a safety protection mechanism. Background Art

[0002] During the fermentation process, wort generates a lot of heat. The increase in temperature will cause the activity of microorganisms in the fermentation tank to decrease, which will eventually affect the fermentation effect. Therefore, during the beer production process, the fermentation liquid is often cooled quickly to ensure the quality of the beer and extend its shelf life.

[0003] At present, the heat transfer medium commonly used in the existing fermentation liquid quenching device is liquid ammonia or propylene glycol, which are not food grade heat transfer mediums. Since liquid ammonia and propylene glycol may leak, especially ammonia leakage, there is a great safety risk, so it is necessary to develop a fermentation liquid quenching device with safety protection. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A fermentation liquid quenching device with safety protection comprises a plate heat exchanger; one side of the plate heat exchanger is connected with a fermentation liquid inlet pipe and a fermentation liquid outlet pipe after cooling, and the other side is connected with a liquid ammonia inlet pipe and an ammonia outlet pipe after heat exchange; wherein the fermentation liquid inlet pipe is provided with a fermentation liquid pump for controlling the fermentation liquid to flow into the plate heat exchanger; wherein the fermentation liquid inlet pipe is provided with a flow meter, a thermometer, a first pH meter and a pressure sensor, and the fermentation liquid outlet pipe after cooling is provided with a temperature sensor and a second pH meter.

[0007] As a preferred solution of the fermentation liquid quenching device with safety protection described in the utility model, the fermentation liquid pump is a variable frequency pump, and the power of the fermentation liquid pump is controlled according to the flow rate of the flow meter.

[0008] As a preferred solution of the fermentation liquid chilling device with safety protection described in the utility model, wherein: the first pH meter is used to detect the pH of the fermentation liquid in the pipeline.

[0009] As a preferred solution of the fermentation liquid quenching device with safety protection described in the utility model, the liquid ammonia inlet pipe is provided with a first stop valve and a one-way valve, and the ammonia outlet pipe after heat exchange is provided with a pneumatic diaphragm regulating valve and a second stop valve.

[0010] As a preferred solution of the fermentation liquid chilling device with safety protection described in the utility model, wherein: the pneumatic film regulating valve adjusts the opening according to the temperature signal transmitted by the temperature sensor.

[0011] Compared with the prior art, the utility model has the following beneficial effects: real-time monitoring of pH value through pH meter, control of variable frequency pump power through flow meter, and control of pneumatic diaphragm regulating valve through temperature sensor. The utility model monitors the operating status of the system in multiple dimensions and reduces safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a process flow chart applicable to the utility model.

[0015] In the figure: a plate heat exchanger 1; a fermentation liquid inlet pipe 2; a fermentation liquid outlet pipe 3 after cooling; a liquid ammonia inlet pipe 4; ammonia outlet pipe 5 after heat exchange; a fermentation liquid pump 6; a flow meter 21; a thermometer 22; a first pH meter 23; a pressure sensor 24; a temperature sensor 31; a second pH meter 32; a first stop valve 41; a one-way valve 42; a pneumatic diaphragm regulating valve 51; and a second stop valve 52. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0017] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0018] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0019] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0020] like Figure 1 and Figure 2 As shown, the utility model is further described in conjunction with specific embodiments and drawings.

[0021] Example 1

[0022] A fermentation liquid chilling device with safety protection comprises a plate heat exchanger 1; one side of the plate heat exchanger 1 is respectively connected with a fermentation liquid inlet pipe 2 and a fermentation liquid outlet pipe 3 after cooling, and the other side is respectively connected with a liquid ammonia inlet pipe 4 and an ammonia outlet pipe 5 after heat exchange;

[0023] The fermentation liquid inlet pipe 2 is provided with a fermentation liquid pump 6, one end of which is connected to the connection plate of the fermentation tank; the fermentation liquid inlet pipe 2 is provided with a flow meter 21, a thermometer 22, a first pH meter 23 and a pressure sensor 24, the fermentation liquid outlet pipe 3 after cooling is provided with a temperature sensor 31 and a second pH meter 32; the liquid ammonia inlet pipe 4 is provided with a first stop valve 41 and a one-way valve 42, and the ammonia outlet pipe 5 after heat exchange is provided with a pneumatic diaphragm regulating valve 51 and a second stop valve 52. Under normal working conditions, the fermentation liquid pump 6 is started, and the opening of the pneumatic diaphragm regulating valve 51 is adjusted according to the thermometer 22, so that the fermentation liquid is instantly reduced to the required temperature.

[0024] Example 2

[0025] A fermentation liquid chilling device with safety protection comprises a plate heat exchanger 1; one side of the plate heat exchanger 1 is respectively connected with a fermentation liquid inlet pipe 2 and a fermentation liquid outlet pipe 3 after cooling, and the other side is respectively connected with a liquid ammonia inlet pipe 4 and an ammonia outlet pipe 5 after heat exchange; a fermentation liquid pump 6 is arranged on the fermentation liquid inlet pipe 2, one end of the fermentation liquid pump 6 is connected to the fermentation tank and the other end is connected to the plate heat exchanger; a flow meter 21, a thermometer 22, a first pH meter 23 and a pressure sensor 24 are arranged on the fermentation liquid inlet pipe 2, and a temperature sensor 31 and a second pH meter 32 are arranged on the fermentation liquid outlet pipe 3 after cooling; a first stop valve 41 and a one-way valve 42 are arranged on the liquid ammonia inlet pipe 4, and a pneumatic diaphragm regulating valve 51 and a second stop valve 52 are arranged on the ammonia outlet pipe 5 after heat exchange. Under normal working conditions, the fermentation liquid pump 6 is started, and the opening of the pneumatic diaphragm regulating valve 51 is adjusted according to the thermometer 22, so that the fermentation liquid is instantly reduced to the required temperature. The first pH meter 23 and the second pH meter 32 monitor the pH value of the pipeline. If ammonia leakage occurs and the pH value in the pipeline rises to exceed the set value, the first stop valve 41 is closed.

[0026] In summary, this solution mainly monitors the pH value in real time through a pH meter, controls the power of the variable frequency pump through a flow meter, and controls the pneumatic diaphragm regulating valve through a temperature sensor. The utility model monitors the operating status of the system in multiple dimensions and reduces safety risks.

[0027] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fermentation liquid chilling device with safety protection, characterized in that: The invention comprises a plate heat exchanger (1); one side of the plate heat exchanger is connected to a fermentation liquid inlet pipe (2) and a fermentation liquid outlet pipe (3) after cooling, and the other side is connected to a liquid ammonia inlet pipe (4) and an ammonia outlet pipe (5) after heat exchange; the fermentation liquid inlet pipe (2) is provided with a fermentation liquid pump (6) for controlling the fermentation liquid to flow into the plate heat exchanger (1); the fermentation liquid inlet pipe (2) is provided with a flow meter (21), a thermometer (22), a first pH meter (23) and a pressure sensor (24), and the fermentation liquid outlet pipe (3) after cooling is provided with a temperature sensor (31) and a second pH meter (32).

2. A fermentation liquid chilling device with safety protection according to claim 1, characterized in that: The fermentation liquid pump (6) is a variable frequency pump, and the power of the fermentation liquid pump (6) is controlled according to the flow rate of the flow meter (21); the first pH meter (23) is used to detect the pH of the fermentation liquid in the pipeline.

3. The fermentation liquid chilling device with safety protection according to claim 1, characterized in that: The liquid ammonia inlet pipe (4) is provided with a first stop valve (41) and a one-way valve (42), and the ammonia outlet pipe (5) after heat exchange is provided with a pneumatic diaphragm regulating valve (51) and a second stop valve (52).

4. A fermentation liquid chilling device with safety protection according to claim 3, characterized in that: The pneumatic diaphragm regulating valve (51) adjusts its opening according to the temperature signal transmitted by the temperature sensor (31).

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