CN213182456U - Constant-temperature heating system for food - Google Patents
Constant-temperature heating system for food Download PDFInfo
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- CN213182456U CN213182456U CN202022676387.6U CN202022676387U CN213182456U CN 213182456 U CN213182456 U CN 213182456U CN 202022676387 U CN202022676387 U CN 202022676387U CN 213182456 U CN213182456 U CN 213182456U
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Abstract
The utility model relates to the technical field of heating devices, in particular to a constant temperature heating system for food, which comprises a food storage tank, a heat exchanger, an expansion tank and a water storage tank; the food storage tank is connected with the expansion tank through a water return pipeline, and a first pressure sensor and a first temperature sensor are arranged on the water return pipeline; a water pump and a check valve are arranged on the first cold water inlet pipeline and the second cold water inlet pipeline; the first hot water supply pipeline and the second hot water supply pipeline are respectively provided with an electromagnetic valve, a second pressure sensor and a second temperature sensor, and the electromagnetic valves are respectively electrically connected with the first pressure sensor, the first temperature sensor, the second pressure sensor and the second temperature sensor. A plurality of cold water inlet pipelines and hot water supply pipelines of the constant temperature heating system can be independently switched and controlled, and the temperature difference control precision is high and is not more than +/-2 ℃.
Description
Technical Field
The utility model relates to a heating device technical field, concretely relates to constant temperature heating system for food.
Background
Liquid food products are typically heated during processing and storage to provide a germicidal effect. The existing heating mode mainly comprises an electric heating mode and a steam heating mode, and compared with the electric heating mode, the steam heating mode is energy-saving, so that the existing food heating mode mostly adopts the steam heating mode. However, due to the unreasonable pipeline design, the feedback delay of the food storage tank and other reasons, the existing heating system often causes poor temperature control precision and large temperature fluctuation exceeding +/-2 ℃, and the sterilization effect is difficult to ensure, so that the quality of products is influenced; on the other hand, the temperature of every storage jar can't be carried out independent control to current heating system, and when one of them heat supply pipeline goes wrong, whole heating system all will stop, and maintenance and use operation are inconvenient, and are inefficient.
Disclosure of Invention
An object of the utility model is to prior art not enough, and provide a temperature and be used for constant temperature heating system of food, but a plurality of cold water inlet pipe of this constant temperature heating system and hot water supply channel independent switching control, the difference in temperature control precision is high, does not exceed 2 ℃.
The purpose of the utility model is realized through the following technical scheme:
the constant-temperature heating system for the food comprises two food storage tanks, a heat exchanger, a filter, an expansion tank and a water storage tank, wherein the water storage tank is sequentially connected with the expansion tank and the filter;
the food storage tank is characterized by further comprising a first cold water inlet pipeline and a second cold water inlet pipeline which are arranged in parallel, and a first hot water supply pipeline and a second hot water supply pipeline which are arranged in parallel, wherein one end of each of the first cold water inlet pipeline and the second cold water inlet pipeline is connected with a water outlet of the filter, the other end of each of the first cold water inlet pipeline and the second cold water inlet pipeline is connected with a cold water inlet of the heat exchanger, one end of each of the first hot water supply pipeline and the second hot water supply pipeline is connected with a hot water outlet of the heat exchanger, the other end of each of the first hot water supply pipeline and the second hot water supply pipeline is respectively connected with a water inlet of one corresponding food storage tank, a water outlet of the food storage tank is connected;
the first cold water inlet pipeline and the second cold water inlet pipeline are both provided with a water pump and a check valve which are sequentially connected in series; the first hot water supply pipeline and the second hot water supply pipeline are respectively provided with an electromagnetic valve, a second pressure sensor and a second temperature sensor, and the electromagnetic valves are respectively electrically connected with the first pressure sensor, the first temperature sensor, the second pressure sensor and the second temperature sensor.
In the above technical scheme, the first cold water inlet pipeline and the second cold water inlet pipeline are further provided with two ball valves, and the two ball valves are respectively arranged on one sides of the water inlet and the water outlet of the water pump.
In the technical scheme, the water storage tank is connected with the water inlet of the expansion tank through a water supplementing pipeline, and the water supplementing pipeline is provided with an electromagnetic ball valve and a manual ball valve.
In the technical scheme, the expansion tank is provided with the overflow port.
In the technical scheme, a high-low liquid level meter is arranged in the expansion tank.
In the technical scheme, the heat exchanger is provided with a steam inlet and a steam outlet, the steam inlet is connected with the steam outlet of the workshop boiler, and the steam outlet is connected with the steam trap.
In the above technical scheme, an electric valve is arranged on a pipeline positioned at the steam inlet, and the electric valve is electrically connected with the second pressure sensor and the second temperature sensor.
The utility model has the advantages that:
the utility model discloses a constant temperature heating system for food, which comprises two food storage tanks, a heat exchanger, a filter, an expansion tank and a water storage tank, wherein the water storage tank is sequentially connected with the expansion tank and the filter; the food storage tank is characterized by further comprising a first cold water inlet pipeline and a second cold water inlet pipeline which are arranged in parallel, and a first hot water supply pipeline and a second hot water supply pipeline which are arranged in parallel, wherein one end of each of the first cold water inlet pipeline and the second cold water inlet pipeline is connected with a water outlet of the filter, the other end of each of the first cold water inlet pipeline and the second cold water inlet pipeline is connected with a cold water inlet of the heat exchanger, one end of each of the first hot water supply pipeline and the second hot water supply pipeline is connected with a hot water outlet of the heat exchanger, the other end of each of the first hot water supply pipeline and the second hot water supply pipeline is respectively connected with a water inlet of a corresponding food storage tank, a; a water pump and a check valve which are sequentially connected in series are arranged on the first cold water inlet pipeline and the second cold water inlet pipeline; the first hot water supply pipeline and the second hot water supply pipeline are respectively provided with an electromagnetic valve, a second pressure sensor and a second temperature sensor, and the electromagnetic valves are respectively electrically connected with the first pressure sensor, the first temperature sensor, the second pressure sensor and the second temperature sensor. Compared with the prior art, the utility model is provided with two groups of independent cold water inlet pipelines and hot water supply pipelines respectively, the two pipelines can be freely switched, the electromagnetic valve on the hot water supply pipeline is respectively associated with the temperature sensor and the pressure sensor to control, and the pressure and the temperature on the hot water supply pipeline are adjusted in real time, thereby realizing the constant temperature control of two food storage tanks, controlling the temperature difference within +/-2 ℃, greatly improving the temperature difference control precision and ensuring the product quality; in addition, two sets of independent cold water inlet pipelines and hot water supply pipelines can be switched at will, are not influenced mutually, and are convenient to operate and control.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural diagram of a constant temperature heating system for food according to the present invention.
Reference numerals:
a food storage tank 1 and a heat insulation layer 11;
the system comprises a water storage tank 2, an expansion tank, a filter 4, a heat exchanger 5, a steam trap 6, a water pump 7, a check valve 8, a ball valve 9 and an electromagnetic valve 10;
a first temperature sensor 12, a second temperature sensor 13, an electromagnetic ball valve 14, a manual ball valve 15 and an electric valve 16;
a first cold water inlet pipeline 101, a second cold water inlet pipeline 102, a first hot water supply pipeline 201 and a second hot water supply pipeline 202.
Detailed Description
The invention will be further described with reference to the following examples.
The specific implementation mode of a constant temperature heating system for food of this embodiment is shown in fig. 1, including two food storage jar 1, heat exchanger 5, filter 4, expansion tank 3 and storage water tank 2, and storage water tank 2 connects gradually expansion tank 3 and filter 4, and the outer wall of food storage jar 1 is provided with heat preservation 11, and water inlet and delivery port have been seted up to heat preservation 11. Still including parallelly connected first cold water inlet pipe 101 and the second cold water inlet pipe 102 that sets up and parallelly connected first hot water supply pipe 201 and the second hot water supply pipe 202 that sets up, the one end of first cold water inlet pipe 101 and the second cold water inlet pipe 102 is connected with the delivery port of filter 4, its other end and heat exchanger 5's cold water inlet connection, the one end of first hot water supply pipe 201 and second hot water supply pipe 202 and the hot water exit linkage of heat exchanger 5, its other end is connected with the water inlet of a food storage jar 1 that corresponds respectively, the delivery port of food storage jar 1 passes through the return water pipeline and is connected with expansion tank 3, be provided with first pressure sensor and first temperature sensor 12 on the return water pipeline. The first cold water inlet pipeline 101 and the second cold water inlet pipeline 102 are both provided with a water pump 7 and a check valve 8 which are connected in series in sequence; the first hot water supply pipeline 201 and the second hot water supply pipeline 202 are respectively provided with an electromagnetic valve 10, a second pressure sensor and a second temperature sensor 13, and the electromagnetic valve 10 is electrically connected with the first pressure sensor, the first temperature sensor 12, the second pressure sensor and the second temperature sensor 13. Like this, solenoid valve 10 on the hot water supply pipe is relevant with temperature sensor and pressure sensor respectively, adjusts pressure and temperature on the hot water supply pipe in real time to realized two food storage jar 1 thermostatic control, the temperature difference control is within 2 ℃, has improved the temperature difference control precision greatly, has guaranteed the quality of food storage jar 1 interior product.
Specifically, two ball valves 9 are further arranged on the first cold water inlet pipeline 101 and the second cold water inlet pipeline 102, and the two ball valves 9 are respectively arranged on one side of the water inlet and the water outlet of the water pump 7, so that water inlet and water outlet flow can be controlled conveniently, and the water inlet amount can be accurately controlled.
In this embodiment, storage water tank 2 is connected with the water inlet of expansion tank 3 through moisturizing pipeline, is provided with electromagnetic ball valve 14 and manual ball valve 15 on the moisturizing pipeline, is convenient for automatic and manual regulation.
Specifically, the expansion tank 3 is provided with an overflow port, and a height liquid level meter is arranged in the expansion tank 3. The expansion tank 3 achieves the purpose of automatic water supplement according to the pressure inside and outside the air bag.
In this embodiment, the heat exchanger 5 is provided with a steam inlet and a steam outlet, the steam inlet is connected with the steam outlet of the workshop boiler, and the steam outlet is connected with the steam trap 6. The steam of the workshop boiler is conveyed to a heat exchanger 5 to exchange heat with cold water.
Specifically, the heat exchanger 5 is a plate heat exchanger.
Specifically, an electric valve 16 is disposed on the pipeline at the steam inlet, and the electric valve 16 is electrically connected with the second pressure sensor and the second temperature sensor 13. The electric valve 16 on the steam conveying pipeline entering the heat exchanger 5 is linked with the second pressure sensor and the second temperature sensor 13, so that the steam flow on the steam conveying pipeline is controlled.
Compared with the prior art, the utility model discloses set up two sets of independent cold water inlet pipe ways and hot water supply channel respectively, the two can freely switch over, solenoid valve 10 on the hot water supply channel carries out relevant control with temperature sensor and pressure sensor respectively, adjusts pressure and temperature on the hot water supply channel in real time, thereby has realized the constant temperature control to two food storage jar 1, and the difference in temperature control is within 2 ℃, has improved the difference in temperature control precision greatly, guarantees the quality of product; in addition, two sets of independent cold water inlet pipelines and hot water supply pipelines can be switched at will, are not influenced mutually, and are convenient to operate and control.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A thermostatic heating system for food products, characterized by: the food storage tank comprises two food storage tanks, a heat exchanger, a filter, an expansion tank and a water storage tank, wherein the water storage tank is sequentially connected with the expansion tank and the filter;
the food storage tank is characterized by further comprising a first cold water inlet pipeline and a second cold water inlet pipeline which are arranged in parallel, and a first hot water supply pipeline and a second hot water supply pipeline which are arranged in parallel, wherein one end of each of the first cold water inlet pipeline and the second cold water inlet pipeline is connected with a water outlet of the filter, the other end of each of the first cold water inlet pipeline and the second cold water inlet pipeline is connected with a cold water inlet of the heat exchanger, one end of each of the first hot water supply pipeline and the second hot water supply pipeline is connected with a hot water outlet of the heat exchanger, the other end of each of the first hot water supply pipeline and the second hot water supply pipeline is respectively connected with a water inlet of one corresponding food storage tank, a water outlet of the food storage tank is connected;
the first cold water inlet pipeline and the second cold water inlet pipeline are both provided with a water pump and a check valve which are sequentially connected in series; the first hot water supply pipeline and the second hot water supply pipeline are respectively provided with an electromagnetic valve, a second pressure sensor and a second temperature sensor, and the electromagnetic valves are respectively electrically connected with the first pressure sensor, the first temperature sensor, the second pressure sensor and the second temperature sensor.
2. A thermostatic heating system for food products according to claim 1, characterized in that: and the first cold water inlet pipeline and the second cold water inlet pipeline are also provided with two ball valves which are respectively arranged at one side of the water inlet and the water outlet of the water pump.
3. A thermostatic heating system for food products according to claim 1, characterized in that: the water storage tank is connected with a water inlet of the expansion tank through a water replenishing pipeline, and an electromagnetic ball valve and a manual ball valve are arranged on the water replenishing pipeline.
4. A thermostatic heating system for food products according to claim 3, characterized in that: the expansion tank is provided with an overflow port.
5. A thermostatic heating system for food products according to claim 3, characterized in that: and a high-low liquid level meter is arranged in the expansion tank.
6. A thermostatic heating system for food products according to claim 1, characterized in that: the heat exchanger is provided with a steam inlet and a steam outlet, the steam inlet is connected with the steam outlet of the workshop boiler, and the steam outlet is connected with a steam trap.
7. A thermostatic heating system for food products according to claim 6, characterized in that: and an electric valve is arranged on a pipeline positioned at the steam inlet and is electrically connected with the second pressure sensor and the second temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676387.6U CN213182456U (en) | 2020-11-18 | 2020-11-18 | Constant-temperature heating system for food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676387.6U CN213182456U (en) | 2020-11-18 | 2020-11-18 | Constant-temperature heating system for food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213182456U true CN213182456U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022676387.6U Active CN213182456U (en) | 2020-11-18 | 2020-11-18 | Constant-temperature heating system for food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213182456U (en) |
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2020
- 2020-11-18 CN CN202022676387.6U patent/CN213182456U/en active Active
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