CN213811132U - Constant temperature water supply installation - Google Patents

Constant temperature water supply installation Download PDF

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Publication number
CN213811132U
CN213811132U CN202022875058.4U CN202022875058U CN213811132U CN 213811132 U CN213811132 U CN 213811132U CN 202022875058 U CN202022875058 U CN 202022875058U CN 213811132 U CN213811132 U CN 213811132U
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China
Prior art keywords
water
temperature
steam
water tank
shell
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Application number
CN202022875058.4U
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Chinese (zh)
Inventor
吴晓峰
赵良川
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Hubei Broad Live Stock Science And Technology Co ltd
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Hubei Broad Live Stock Science And Technology Co ltd
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Priority to CN202022875058.4U priority Critical patent/CN213811132U/en
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Abstract

The utility model belongs to the field of mechanical devices, in particular to a constant-temperature water supply device, which comprises a heat exchange device, a heating device and a water outlet device; in the device, go into target hot water (the thermostatic water of setting value) output from the cold water input, all heating process and heat exchange process (heat transfer) all take place inside the system, do not have to external heat loss and material loss, compare with the direct hot water mode of heating to the target with cold water, the utility model discloses the hot water of output not only satisfies the settlement temperature, has still passed through special high temperature treatment process, does not contain harmful microorganism nearly, is applicable to the higher water supply occasion of microorganism index requirement. Can quickly provide high-quality constant-temperature hot water with the temperature of 30-60 ℃ and subjected to boiling disinfection for part of links in the fields of microbial fermentation engineering and feed production.

Description

Constant temperature water supply installation
Technical Field
The utility model belongs to the field of mechanical device, concretely relates to constant temperature water supply installation.
Background
In the fields of microbial fermentation engineering and feed production, a large amount of hot water is needed in many links, and the conventional method is to directly heat normal-temperature tap water to about 35 ℃ by using a heater. In this way, a large amount of harmful microorganisms are undoubtedly present in the warm water which is not subjected to high-temperature sterilization, and the quality of the product is adversely affected. And in addition, tap water is heated to a higher temperature for disinfection and then is cooled by a cooler, and a large amount of heat replaced by the cooler is not fully utilized, so that the energy consumption is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a constant temperature water supply system can prepare the constant temperature hot water of different temperatures, especially specific temperature in 30 ℃ -60 ℃ fast, and hot water is through boiling the disinfection, and the quality is better. All heat exchange in the device is carried out internally, so that heat loss is reduced to the maximum extent.
In order to achieve the purpose, the utility model adopts the following technical measures:
a constant temperature water supply device comprises a heat exchange device, a heating device and a water outlet device;
the heat exchange device comprises a water inlet valve, a vortex shedding flowmeter and a shell-and-tube heat exchanger; the three are connected in series through water pipes in sequence; the water pipe is connected with a cold water inlet in the heat exchange device;
the heating device comprises a first steam regulating valve, a pipeline type steam-water mixed heater, a safety valve, a first temperature sensor and a first water tank; a water outlet of the pipeline type steam-water mixed heater, a safety valve, a first temperature sensor and a water inlet at the bottom of the first water tank are sequentially connected in series through a water pipe; the first steam regulating valve is arranged on the pipeline type steam-water mixed heater; a cold water outlet of the shell-and-tube heat exchanger is connected with a water inlet of the pipeline type steam-water mixing heater through a water pipe; a hot water inlet of the shell-and-tube heat exchanger is connected with a water outlet at the top of the first water tank through a water pipe;
the water outlet device comprises a second temperature sensor, a stirrer, a second water tank, an immersion type steam-water mixed heater, a diaphragm type electromagnetic valve and a third temperature sensor; a stirrer, a third temperature sensor and an immersion steam-water mixing heater are arranged in the second water tank; the diaphragm type electromagnetic valve is arranged outside the second water tank; the water pipe extends to the inside of the second water tank through a hot water outlet of the shell-and-tube heat exchanger; the second temperature sensor is arranged at a water pipe of a hot water outlet of the shell-and-tube heat exchanger;
in the above-described apparatus, preferably, the steam control valve is connected to the immersion steam-water mixing heater and disposed outside the second water tank.
In the above device, preferably, the water pipe is a water pipe externally wrapped with a heat insulating material, and the heat insulating material is an aluminum silicate fiber heat insulating layer.
In the above device, preferably, the first water tank and the second water tank are both heat preservation water tanks.
Compared with the prior art, the utility model has the advantages of it is following:
1) the cold and hot media of the heat exchange device are the same substance, namely water, and the cold and hot medium channels are connected. The heat exchange process is carried out among the same media, heat loss caused by the fact that irrelevant media take away the heat exchange process is avoided, and energy is saved fully.
2) The heat exchange device and the water outlet device respectively carry out coarse adjustment and fine adjustment on the water temperature, the temperature control difficulty is reduced, the precision is improved, and the water supply temperature is constant.
3) The pipeline type steam-water mixed heater is heated by high-temperature steam, the heating is quick, the water supply amount in unit time is large, and water generated after steam condensation is recycled without pollution.
4) The first water tank delays the flow rate of the boiling point high-temperature water, so that the time of the first water tank in a high-temperature state is prolonged, and harmful microorganisms are killed.
5) The water inlet valve can basically stabilize the outlet water temperature of the shell-and-tube heat exchanger through flow regulation, reduce the inlet water temperature fluctuation of the second water tank and facilitate accurate temperature control.
Drawings
FIG. 1 is a schematic view of a constant temperature water supply apparatus according to embodiment 1;
wherein: the system comprises a water inlet valve-1, a vortex shedding flowmeter-2, a shell-and-tube heat exchanger-3, a first water tank-4, a first temperature sensor-5, a safety valve-6, a pipeline type steam-water mixed heater-7, a first steam regulating valve-8, a second temperature sensor-9, a stirrer-10, a second water tank-11, a second steam regulating valve-12, an immersion type steam-water mixed heater-13, a diaphragm type electromagnetic valve-14 and a third temperature sensor-15.
FIG. 2 is a schematic view showing the operation of a constant temperature water supply apparatus according to embodiment 1;
wherein: all the thick solid lines represent water flow channels, the small arrows indicate the flow direction, the large arrows indicate the heat flow direction during heat exchange, and the hot water 1-4 are hot water with different temperatures generated in the middle process.
Detailed Description
Example 1:
a constant temperature water supply device comprises a heat exchange device, a heating device and a water outlet device;
the heat exchange device comprises a water inlet valve 1, a vortex shedding flowmeter 2 and a shell-and-tube heat exchanger 3; the three are connected in series through water pipes in sequence; the water pipe is connected with a cold water inlet in the heat exchange device;
the heating device comprises a first steam regulating valve 8, a pipeline type steam-water mixed heater 7, a safety valve 6, a first temperature sensor 5 and a first water tank 4; the pipeline type steam-water mixed heater 7, the safety valve 6, the first temperature sensor 5 and the first water tank 4 are sequentially connected in series through a water pipe; the first steam regulating valve 8 is arranged on the pipeline type steam-water mixed heater 7; a cold water outlet of the shell-and-tube heat exchanger 3 is connected with a water inlet of the pipeline type steam-water mixing heater 7 through a water pipe; a hot water inlet of the shell-and-tube heat exchanger 3 is connected with a water outlet at the top of the first water tank 4 through a water pipe;
the water outlet device comprises a second temperature sensor 9, a stirrer 10, a second water tank 11, an immersion type steam-water mixed heater 13, a diaphragm type electromagnetic valve 14 and a third temperature sensor 15; a stirrer 10, a third temperature sensor 15 and an immersion type steam-water mixing heater 13 are arranged in the second water tank 11; the diaphragm type electromagnetic valve 14 is arranged outside the second water tank 11; the water pipe extends into the second water tank 11 through a hot water outlet of the shell-and-tube heat exchanger 3; the second temperature sensor 9 is arranged at the water pipe of the hot water outlet of the shell-and-tube heat exchanger 3; the steam regulating valve 12 is connected with the immersion type steam-water mixing heater 13 and is arranged outside the second water tank 11;
the water pipe is a water pipe with the external part wrapped by a heat insulation material;
the first water tank and the second water tank are both heat-preservation water tanks.
The working process is as follows:
the system enters and always keeps in a stable state after undergoing a short initial state when working for the first time, and under the stable state: cold water enters the shell-and-tube heat exchanger from a cold water inlet of the shell-and-tube heat exchanger after passing through the water inlet valve and the vortex flowmeter, and high-temperature water in the tube bundle and low-temperature water outside the tube bundle exchange heat in the whole length range of the tube bundle in the shell-and-tube heat exchanger. The shell-and-tube heat exchanger adopts countercurrent arrangement, so that the temperature difference between the inside and the outside of each section of tube bundle along the length direction is kept at a large value, and the heat transfer rate is large. As a result of the heat exchange, the temperature of the hot water inside the tube bundle decreases and the temperature of the cold water outside the tube bundle increases. The cold water is heated by the shell-and-tube heat exchanger and then enters the pipeline type steam-water mixed heater from the cold water outlet of the shell-and-tube heat exchanger, and is heated to the boiling point temperature in the pipeline type steam-water mixed heater. The pipeline type steam-water mixed heater uses steam for heat supply, a first steam regulating valve is arranged on the pipeline type steam-water mixed heater, the opening degree of the valve determines the steam flow, and the steam flow determines the heating power of the pipeline type steam-water mixed heater. The outlet of the pipeline type steam-water mixed heater is provided with a first temperature sensor for collecting the temperature of the point, heating power is adjusted in real time, so that water in the pipeline type steam-water mixed heater is not prone to bumping after reaching the boiling point temperature, and when high temperature and high pressure are generated in a system by accident, the water is released through a safety valve. Pipeline formula soda mixes heater and carries to first water tank after heating water to boiling temperature, and first water tank volume and cross section are great, and inside water velocity is very slow to make high-temperature water stay for long time here, realize the disinfection. The sterilized high-temperature water enters the shell-and-tube heat exchanger through the hot water inlet of the shell-and-tube heat exchanger, exchanges heat with cold water entering from the cold water inlet of the shell-and-tube heat exchanger in the shell-and-tube heat exchanger, the temperature of the sterilized water is reduced to 20-28 ℃, the sterilized water flows out from the hot water outlet, and the redundant heat is recovered by the cold water, so that the energy conservation is realized. The second temperature sensor is arranged at the hot water outlet of the shell-and-tube heat exchanger, and the flow rate of water in the shell-and-tube heat exchanger is controlled by adjusting the opening of the water inlet valve in combination with flow data acquired by the vortex shedding flowmeter, so that the aim of adjusting the water temperature range of the hot water outlet of the shell-and-tube heat exchanger is fulfilled. The warm water at 20-28 ℃ flowing out of the hot water outlet of the shell-and-tube heat exchanger is lower than a set value, and after flowing into the second water tank, the warm water is heated again by an immersion type steam-water mixing heater arranged in the water tank, and is stirred by a stirrer while heating, so that the temperature is ensured to be uniform. Reheating process influence factor is more single, and the feedback temperature is gathered by third temperature sensor, and the second water tank externally provides the constant temperature hot water of settlement temperature through diaphragm formula solenoid valve.

Claims (4)

1. A constant temperature water supply installation, characterized by: comprises a heat exchange device, a heating device and a water outlet device;
the heat exchange device comprises a water inlet valve (1), a vortex shedding flowmeter (2) and a shell-and-tube heat exchanger (3); the three are connected in series through water pipes in sequence; the water pipe is connected with a cold water inlet in the heat exchange device;
the heating device comprises a first steam regulating valve (8), a pipeline type steam-water mixed heater (7), a safety valve (6), a first temperature sensor (5) and a first water tank (4); the pipeline type steam-water mixed heater (7), the safety valve (6), the first temperature sensor (5) and the first water tank (4) are sequentially connected in series through a water pipe; the first steam regulating valve (8) is arranged on the pipeline type steam-water mixed heater (7); a cold water outlet of the shell-and-tube heat exchanger (3) is connected with a water inlet of the pipeline type steam-water mixed heater (7) through a water pipe; a hot water inlet of the shell-and-tube heat exchanger (3) is connected with a water outlet at the top of the first water tank (4) through a water pipe;
the water outlet device comprises a second temperature sensor (9), a stirrer (10), a second water tank (11), an immersion type steam-water mixed heater (13), a diaphragm type electromagnetic valve (14) and a third temperature sensor (15); a stirrer (10), a third temperature sensor (15) and an immersion steam-water mixing heater (13) are arranged in the second water tank (11); the diaphragm type electromagnetic valve (14) is arranged outside the second water tank (11); the water pipe extends into the second water tank (11) through a hot water outlet of the shell-and-tube heat exchanger (3); the second temperature sensor (9) is arranged at the water pipe of the hot water outlet of the shell-and-tube heat exchanger (3).
2. The apparatus of claim 1, wherein: the steam regulating valve (12) is connected with the immersion type steam-water mixing heater (13) and is arranged outside the second water tank (11).
3. The apparatus of claim 1, wherein: the water pipe is a water pipe with the heat insulation material wrapped outside.
4. The apparatus of claim 1, wherein: the first water tank and the second water tank are both heat-preservation water tanks.
CN202022875058.4U 2020-12-02 2020-12-02 Constant temperature water supply installation Active CN213811132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022875058.4U CN213811132U (en) 2020-12-02 2020-12-02 Constant temperature water supply installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022875058.4U CN213811132U (en) 2020-12-02 2020-12-02 Constant temperature water supply installation

Publications (1)

Publication Number Publication Date
CN213811132U true CN213811132U (en) 2021-07-27

Family

ID=76942404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022875058.4U Active CN213811132U (en) 2020-12-02 2020-12-02 Constant temperature water supply installation

Country Status (1)

Country Link
CN (1) CN213811132U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Constant temperature water supply device

Effective date of registration: 20220118

Granted publication date: 20210727

Pledgee: Bank of China Limited Huangshi Branch

Pledgor: HUBEI BROAD LIVE-STOCK SCIENCE AND TECHNOLOGY CO.,LTD.

Registration number: Y2022420000014