A super-high-temperature solid-state heat storage device hot water output system

Abstract

The hot water output system of the super-high-temperature solid heat storage device comprises an upper computer, a super-high-temperature heat storage device, a mixed air valve, a main air valve, an air fan, a second temperature sensor, an air-water heat exchanger, a first temperature sensor and a mixed air pipe. The double air valve mixed air design is adopted, the opening degrees of the main air valve and the mixed air valve are controlled according to the hot water temperature output by the air-water heat exchanger and the gas temperature input by the air-water heat exchanger, constant temperature and constant quantity hot air can be generated, the material requirement of the air-water heat exchanger is reduced, the service life of the air-water heat exchanger is improved, and the output hot water temperature is stable.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of solid-state heat storage, in particular to a hot water output system of an ultra-high-temperature solid-state heat storage device. BACKGROUND

[0002] In the existing hot water output system of the ultra-high-temperature solid-state heat storage device, the maximum temperature of the output hot air of the ultra-high-temperature solid-state heat storage device reaches 750℃ or above, and the temperature variation range of the output hot air is large, so the material requirement of the rear-end air-water heat exchanger is extremely high, thereby causing the cost to increase; and when the medium temperature changes in a large range, the service life of the air-water heat exchanger device will be reduced, and at the same time, the medium flow needs to be changed greatly synchronously, so as to ensure the stability of the system output enthalpy, so the existing hot water output system of the ultra-high-temperature solid-state heat storage device has high control difficulty and is not easy to maintain the stability of the output hot water temperature. SUMMARY

[0003] To solve the problem of high control difficulty and not easy to maintain the stability of the output hot water temperature of the existing hot water output system of the ultra-high-temperature solid-state heat storage device, a hot water output system of an ultra-high-temperature solid-state heat storage device is provided;

[0004] The hot water output system of the ultra-high-temperature solid-state heat storage device comprises an upper computer, an ultra-high-temperature heat storage device, a mixed air valve, a main air valve, a fan, a second temperature sensor, an air-water heat exchanger, a first temperature sensor and a mixed air pipe.

[0005] The air-water heat exchanger outputs gas to the fan, and the fan sends the input gas to the ultra-high-temperature heat storage device through the main air valve, and the fan also sends the input gas to the mixed air pipe through the mixed air valve.

[0006] The ultra-high-temperature heat storage device heats the input gas, and inputs the heated gas to the mixed air pipe; the mixed air pipe fully mixes the gases input by the ultra-high-temperature heat storage device and the mixed air valve, and inputs the fully mixed gas to the air inlet of the air-water heat exchanger; the air-water heat exchanger heats the liquid in the air-water heat exchanger by the gas input through the mixed air pipe to obtain heated liquid and cooled gas, and inputs the cooled gas to the fan through the air outlet of the air-water heat exchanger; the main air valve is used to adjust the gas rate input by the fan to the ultra-high-temperature heat storage device by changing the opening degree; and the mixed air valve is used to adjust the gas rate input by the fan to the mixed air pipe by changing the opening degree.

[0007] The second temperature sensor is arranged at the hot water output port of the air-water heat exchanger, and the first temperature sensor is arranged at the air inlet of the air-water heat exchanger.

[0008] The upper computer is used to control the second temperature sensor to obtain the hot water temperature T m2 of the air-water heat exchanger, and the second temperature sensor sends the hot water temperature T m2Send to the host computer; the host computer is used to control the first temperature sensor to obtain the gas water heat exchanger input gas temperature T m1 , the first temperature sensor sends the gas temperature T m1 to the host computer;

[0009] The host computer is also used to adjust the main air valve or air mixing valve opening degree according to the received output hot water temperature T m2 And the input gas temperature T m1 .

[0010] Advantages

[0011] The superhigh-temperature solid heat storage device hot water output system based on double air valve air mixing of the application adopts double air valve air mixing design, controls the opening degree of the main air valve and the air mixing valve according to the output hot water temperature of the gas water heat exchanger and the input gas temperature of the gas water heat exchanger, can produce constant temperature and constant quantity hot air, reduces the material requirement of the gas water heat exchanger, improves the service life of the gas water heat exchanger, and at the same time ensures the stability of the output hot water temperature. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the superhigh-temperature solid heat storage device hot water output system structure schematic diagram of the specific embodiment of the application;

[0013] Fig. 2 It is the host computer adjusting main air valve or air mixing valve opening degree flow chart of the specific embodiment of the application. DETAILED DESCRIPTION

[0014] The following will be combined Figs. 1-2 , explain the embodiment, a superhigh-temperature solid heat storage device hot water output system, comprising: host computer, superhigh-temperature heat storage device 1, air mixing valve 2, main air valve 3, fan 4, second temperature sensor 5, gas water heat exchanger 6, first temperature sensor 7 and air mixing pipe 8;

[0015] The gas water heat exchanger 6 outputs gas to the fan 4, the fan 4 sends the input gas to the superhigh-temperature heat storage device 1 through the main air valve 3, and the fan 4 also sends the input gas to the air mixing pipe 8 through the air mixing valve 2;

[0016] The super-high-temperature heat storage device 1 heats the input gas and inputs the heated gas into the air mixing pipe 8; the air mixing pipe 8 fully mixes the gases input by the super-high-temperature heat storage device 1 and the air mixing valve 2 and inputs the fully mixed gas into the air-water heat exchanger 6 air inlet; the air-water heat exchanger 6 heats the liquid in the air-water heat exchanger 6 by the gas input by the air mixing pipe 8 to obtain heated liquid and cooled gas, and inputs the cooled gas into the fan 4 through the air-water heat exchanger 6 air outlet; the main air valve 3 is used to adjust the gas rate input by the fan 4 into the super-high-temperature heat storage device 1 by changing the opening degree; the air mixing valve 2 is used to adjust the gas rate input by the fan 4 into the air mixing pipe 8 by changing the opening degree;

[0017] The second temperature sensor 5 is arranged at the hot water outlet of the air-water heat exchanger 6, and the first temperature sensor 7 is arranged at the air inlet of the air-water heat exchanger 6;

[0018] The host computer is used to control the second temperature sensor 5 to obtain the air-water heat exchanger output hot water temperature T m2 , and the second temperature sensor 5 sends the hot water temperature T m2 to the host computer; the host computer is used to control the first temperature sensor 7 to obtain the air-water heat exchanger input gas temperature T m1 , and the first temperature sensor 7 sends the gas temperature T m1 to the host computer;

[0019] The host computer is also used to adjust the opening degree of the main air valve or the air mixing valve according to the received output hot water temperature T m2 and the input gas temperature T m1 .

[0020] Specifically, the super-high-temperature heat storage device 1 inputs the heated gas into the air mixing pipe 8, the temperature of the gas input by the air mixing valve 2 into the air mixing pipe 8 is lower than the temperature of the gas output by the super-high-temperature heat storage device 1, the air mixing pipe fully mixes the input gases of different temperatures and inputs the fully mixed gas into the air-water heat exchanger, so as to ensure the stability of the air-water heat exchanger input gas temperature and improve the service life of the air-water heat exchanger; the host computer adjusts the opening degree of the main air valve and the air mixing valve according to the air-water heat exchanger output liquid temperature and the air-water heat exchanger input gas temperature, so as to ensure the constant air-water heat exchanger output liquid temperature.

[0021] Further, the host computer adjusts the opening degree of the main air valve or the air mixing valve according to the received output hot water temperature T m2 and the input gas temperature T m1 , including:

[0022] Step one: set the hot water standard temperature T S2 , the hot water temperature deviation value ΔT2, the gas standard temperature T S1 and the gas temperature deviation value ΔT1;

[0023] Step 2: The host computer controls the second temperature sensor 5 to obtain the output hot water temperature T. m2 Determine the temperature T of the received hot water. m2 With the standard temperature of hot water T S2 If the absolute value of the difference is greater than the hot water temperature deviation value ΔT2, then determine the hot water temperature T. m2 With the standard temperature of hot water T S2 The size relationship, if the hot water temperature T m2 Less than the standard hot water temperature T S2 Then increase the opening of the main air valve, and proceed to step three after increasing the opening of the main air valve; if the hot water temperature T m2 Greater than the standard hot water temperature T S2 Then reduce the opening of the main air valve, and proceed to step three after reducing the opening of the main air valve; if the received hot water temperature T m2 With the standard temperature of hot water T S2 If the absolute value of the difference is less than the hot water temperature deviation value ΔT2, then proceed to step three;

[0024] Step 3: The host computer controls the first temperature sensor 7 to acquire the gas temperature T. m1 Determine the gas temperature T m1 With gas standard temperature T S1 If the absolute value of the difference is greater than the gas temperature deviation value ΔT1, then determine the gas temperature T. m1 With gas standard temperature T S1 The magnitude relationship, if the gas temperature T m1 Greater than the standard gas temperature T S1 If the gas temperature T is increased, the mixing valve opening will be increased, and the process will end; m1 Less than the standard temperature of the gas T S1 If the gas temperature T decreases, reduce the opening of the mixing valve to stop the process; m1 With gas standard temperature T S1 If the absolute value of the difference is less than the gas temperature deviation value ΔT1, then return to step two.

[0025] Specifically, such as Fig. 2 As shown, the host computer outputs the hot water temperature T. m2 and input gas temperature T m1 Dynamically adjust the opening of the main air valve or mixing air valve to ensure a stable output liquid temperature from the air-water exchanger.

[0026] Furthermore, the hot water output system of the ultra-high temperature solid-state thermal storage device based on dual-valve air mixing also includes an alarm, which is connected to a host computer for communication; the host computer determines the received hot water output temperature T from the air-water heat exchanger. m2 If the value exceeds the output threshold T, an alarm signal is generated and sent to the alarm device; the alarm device then sounds an alarm based on the received alarm signal.

[0027] Specifically, the alarm is set to facilitate the alarm when the system outputs abnormal liquid temperature, and timely remind the relevant staff to check the situation.

[0028] Further, when the hot water standard temperature T S2 is 70℃, the gas standard temperature T S1 is set to 180℃, the hot water temperature deviation value ΔT2 is set to 1℃, and the gas temperature deviation value ΔT1 is set to 1℃.

[0029] Specifically, the hot water output system of the super-high-temperature solid heat storage device based on double air valve air mixing of the application is suitable for various scenes, and the numerical value of the relevant parameters can be set according to the actual needs. When the system is used for winter resident heating, due to the need for heating, the water temperature of the heating pipe network needs to reach 70℃, at this time the hot water standard temperature T S2 is 70℃, the gas standard temperature T S1 is set to 180℃, the hot water temperature deviation value ΔT2 is set to 1℃, and the gas temperature deviation value ΔT1 is set to 1℃, the hot water output system of the application can meet the demand of winter resident heating.

[0030] Further, the super-high-temperature heat storage device is a solid heat storage type electric boiler. Specifically, the solid heat storage type electric boiler can reach a temperature of 750℃, which can quickly heat the input gas and meet the demand of the hot water output system of the super-high-temperature solid heat storage device based on double air valve air mixing, and improve the efficiency of the hot water output system of the super-high-temperature solid heat storage device based on double air valve air mixing.

[0031] Further, the air mixing pipe is a metal air pipe or a composite air pipe. Specifically, the metal air pipe or the composite air pipe is conducive to the full mixing of gases at different temperatures.

[0032] Further, the alarm is an audible and visual alarm. Specifically, the audible and visual alarm is conducive to timely handling of abnormal situations by relevant technical personnel.

Claims

1. An ultra-high temperature solid heat storage device hot water output system, characterized by, The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The host computer is configured to control the second temperature sensor (5) to acquire the output hot water temperature of the gas-water heat exchanger , and the second temperature sensor (5) sends the hot water temperature to the host computer ; the host computer is configured to control the first temperature sensor (7) to acquire the input gas temperature of the gas-water heat exchanger , and the first temperature sensor (7) sends the gas temperature to the host computer ; The host computer is also used to determine the received output hot water temperature. and input gas temperature Adjust the opening of the main air valve or mixing air valve; the host computer will adjust the opening based on the received output hot water temperature. and input gas temperature Adjusting the opening of the main air valve or mixing air valve, including: Step one: set hot water standard temperature , hot water temperature deviation value , gas standard temperature , and gas temperature deviation value ; Step two: the host computer controls the second temperature sensor to obtain the output hot water temperature , judges whether the absolute value of the difference between the received hot water temperature and the hot water standard temperature is greater than the hot water temperature deviation value , if yes, judges the size relationship between the hot water temperature and the hot water standard temperature , if the hot water temperature is less than the hot water standard temperature , increases the main air valve opening degree, and turns to step three after increasing the main air valve opening degree; if the hot water temperature is greater than the hot water standard temperature , reduces the main air valve opening degree, and turns to step three after reducing the main air valve opening degree; if the absolute value of the difference between the received hot water temperature and the hot water standard temperature is less than the hot water temperature deviation value , turns to step three ​​​​​​​ Step three: the host computer controls the first temperature sensor to obtain the input gas temperature , judges whether the absolute value of the difference between the gas temperature and the gas standard temperature is greater than the gas temperature deviation value , if yes, judges the size relation between the gas temperature and the gas standard temperature , if the gas temperature is greater than the gas standard temperature , the large mixing valve opening degree is given, and the process is ended; if the gas temperature is less than the gas standard temperature , the mixing valve opening degree is reduced, and the process is ended; if the absolute value of the difference between the gas temperature and the gas standard temperature is less than the gas temperature deviation value , the process returns to step two.

2. The ultra-high temperature solid state heat storage device hot water output system of claim 1, wherein: Also include alarm, with host computer communication connection; host computer determines the received gas water heat exchanger output hot water temperature Whether greater than output threshold T, if yes, alarm signal is generated, and the alarm signal is sent to the alarm; the alarm performs alarm according to the received alarm signal.

3. The ultra-high temperature solid state heat storage device hot water output system of claim 1, wherein: When the hot water standard temperature is set to 70°C, the gas standard temperature is set to 180°C, the hot water temperature deviation value is set to 1°C, and the gas temperature deviation value is set to 5°C.

4. The ultra-high temperature solid state heat storage device hot water output system of claim 1, wherein: The application relates to a superhigh-temperature heat storage device and a control method thereof.

5. The ultra-high temperature solid state heat storage device hot water output system of claim 1, wherein: The application relates to a superhigh-temperature heat storage device and a control method thereof.

6. The ultra-high temperature solid state heat storage device hot water output system of claim 2, wherein: The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device and a control method thereof. The application relates to a superhigh-temperature heat storage device

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