CN209165572U - A kind of technique hot water supply system - Google Patents

A kind of technique hot water supply system Download PDF

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Publication number
CN209165572U
CN209165572U CN201822033539.3U CN201822033539U CN209165572U CN 209165572 U CN209165572 U CN 209165572U CN 201822033539 U CN201822033539 U CN 201822033539U CN 209165572 U CN209165572 U CN 209165572U
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China
Prior art keywords
hot water
technique hot
steam
technique
temperature
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CN201822033539.3U
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杨存华
姚广晓
宋佳耀
朱晋兵
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Shanghai Dazhong Xiangyuan Power Supply Co Ltd
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Shanghai Dazhong Xiangyuan Power Supply Co Ltd
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Abstract

The utility model relates to a kind of technique hot water supply systems, including heat exchanger and heat exchanger two sides are arranged in and are connected respectively with heat exchanger technique hot water unit, steam unit, technique hot water unit includes technique hot water return pipe and technique hot water feeding pipe, technique hot water feeding pipe is equipped with high-temperature technology hot water buffer system, steam unit includes steam inlet duct and steam outleting pipe, and steam inlet duct is equipped with steam control valve group.Compared with prior art, the utility model passes through setting high-temperature technology hot water buffer system, high-temperature technology hot water after heat exchange heating in a heat exchanger can be further adjusted to required temperature, it is used to be delivered to workshop for heating equipment, it ensure that the stability of leaving water temperature, and the frequent adjusting of steam control valve is avoided, the spoilage and maintenance expense of steam control valve are reduced, the service life of steam control valve is extended.

Description

A kind of technique hot water supply system
Technical field
The utility model belongs to technique hot water hydrotechny field, is related to a kind of technique hot water supply system.
Background technique
Technique hot water supply water when, the low temperature process hot water flowed back to by workshop enters in heat exchanger, with by boiler conveying Lai High-temperature steam carry out heat exchange, obtain the high-temperature technology hot water for meeting demand of industrial production, be delivered to workshop later for heat Equipment uses.Currently, the low temperature process hot water and high-temperature steam in heat exchanger when carrying out heat exchange, are mostly adjusted using steam The steam inlet amount of steam side is adjusted in valve, and then realizes the purpose of control leaving water temperature.Steam control valve uses PID tune Section mode changes the aperture of steam control valve by the size of input current signal, and then adjusts steam inlet amount.This tune Section mode is primarily present following problems: if the setting of 1, pid parameter is improper, not meeting working condition requirement, then will lead to leaving water temperature It is difficult to meet needs;2, in order to guarantee that leaving water temperature meets the requirements, need to adjust the aperture of steam control valve in time, but due to Workshop operating condition is becoming always, when especially shop loading is changed greatly, in order to avoid leaving water temperature fluctuation is big, then needs frequently The aperture for adjusting steam control valve easily leads to steam control valve damage, shortens the service life of steam control valve.
Utility model content
The purpose of this utility model is exactly to provide a kind of technique hot water to overcome the problems of the above-mentioned prior art Water system.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of technique hot water supply system, the system include heat exchanger and be arranged in heat exchanger two sides and respectively with Technique hot water unit, the steam unit that heat exchanger is connected, the technique hot water unit include technique hot water return pipe and Technique hot water feeding pipe, the technique hot water feeding pipe are equipped with high-temperature technology hot water buffer system, the steam unit Including steam inlet duct and steam outleting pipe, the steam inlet duct is equipped with steam control valve group.The low temperature flowed back to by workshop Technique hot water enters in heat exchanger through technique hot water return pipe, with by boiler through steam inlet duct conveying Lai high-temperature steam into Row heat exchange obtains high-temperature technology hot water, and is adjusted to required temperature by high-temperature technology hot water buffer system, after through process heat Water water supplying pipe is delivered to workshop and uses for heating equipment.Steam control valve group adjusts the quantity of steam for entering heat exchanger.
Further, which further includes the controller being electrically connected respectively with technique hot water unit, steam unit.Controller Signal can be received and carry out feedback regulation.
Further, the high-temperature technology hot water buffer system includes being successively set on work along process heat water flowing direction Technique hot water surge tank, technique hot water thermoregulation pot and technique hot water constant temperature tank on skill hot water feeding pipe.It is flowed out by heat exchanger High-temperature technology hot water be introduced into technique hot water surge tank, entered back into technique hot water thermoregulation pot later, and in technique hot water It is adjusted to required temperature in thermoregulation pot, enters in technique hot water constant temperature tank later, it is constant to provide temperature for workshop heating equipment High-temperature technology hot water.
Further, the first technique hot water flow is equipped between the technique hot water constant temperature tank and technique hot water thermoregulation pot Regulating valve is equipped with the second process heat Water flow adjusting valve, institute between the technique hot water thermoregulation pot and technique hot water surge tank The controller stated is electrically connected with the first process heat Water flow adjusting valve, the second process heat Water flow adjusting valve respectively.Controller energy The opening and closing of the first process heat Water flow adjusting valve, the second process heat Water flow adjusting valve are enough adjusted, and then adjust water flow.
Further, the first temperature sensor, the technique hot water temperature adjustment are equipped in the technique hot water constant temperature tank Second temperature sensor is equipped in tank, the controller is electrically connected with the first temperature sensor, second temperature sensor respectively. First temperature sensor, second temperature sensor can monitor technique hot water constant temperature tank, the water in technique hot water thermoregulation pot respectively Temperature, and water temperature signal is fed back in controller.
Further, the technique hot water return pipe is equipped with heat-exchanger pump.Heat-exchanger pump provides dynamic for process heat water flowing Power.
Further, the steam control valve group includes that multiple steam being arranged in parallel on steam inlet duct are adjusted Valve, the controller are electrically connected with steam control valve.
Steam control valve group described in as a preferred technical solution, includes 3 and is arranged in parallel on steam inlet duct Steam control valve.3 steam control valves are the steam control valve with PID regulatory function.General steam control valve is opened The degree corresponding input current signal of range 0~100% is 4~20mA, in order to avoid 3 steam control valve frequencies in the utility model The parameter of 3 steam control valves is set to 4~12mA, 8~16mA, 12~20mA by numerous unlatching, to meet input current letter Number for the adjusting within the scope of 4~20mA, and consumption of the system to steam can be greatly reduced, the shape of condensed water is greatly reduced At making more energy efficient, more efficient before system ratio.
The utility model is in practical application, under the regulation of controller, and the first process heat Water flow adjusting valve is closed, together When the second process heat Water flow adjusting valve open, meet the Process heat of demand of industrial production in technique hot water constant temperature tank at this time Water sends constantly into workshop, while the high-temperature technology hot water after heat exchange heating constantly flows into technique hot water surge tank in a heat exchanger In, enter in technique hot water thermoregulation pot later, the water temperature in second temperature sensor real-time monitoring technique hot water thermoregulation pot, and anti- It is fed in controller, controller accordingly adjusts steam control valve group, and then changes steam inlet amount, adjusts high-temperature technology hot water Temperature makes the water temperature in technique hot water thermoregulation pot progressively reach required temperature;The second process heat Water flow adjusting valve is closed later, The first process heat Water flow adjusting valve is opened simultaneously, and the high-temperature technology hot water of demand of industrial production is met in technique hot water thermoregulation pot It sends constantly into technique hot water constant temperature tank, while the high-temperature technology hot water after heat exchange heating is constantly stored in work in a heat exchanger In skill hot water surge tank, after the high-temperature technology hot water in technique hot water thermoregulation pot is all sent into technique hot water constant temperature tank, The first process heat Water flow adjusting valve is closed, while opening the second process heat Water flow adjusting valve, repeats above-mentioned steps.
Compared with prior art, the utility model has the following characteristics that
It 1), can be by the high-temperature technology after heat exchange heating in a heat exchanger by setting high-temperature technology hot water buffer system Hot water is further adjusted to required temperature, uses to be delivered to workshop for heating equipment, ensure that the stability of leaving water temperature, And the frequent adjusting of steam control valve is avoided, the spoilage and maintenance expense of steam control valve are reduced, steam tune is extended Save the service life of valve;
2) the utility model is facing complex working condition, or when the bigger operating condition of fluctuation, can still stablize and accurately Ground controls the output of technique hot water constant temperature, greatly improves the stability of system.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Description of symbols in figure:
1-heat exchanger, 2-technique hot water return pipes, 3-technique hot water feeding pipes, 4-steam inlet ducts, 5-steam Escape pipe, 6-technique hot water surge tanks, 7-technique hot water thermoregulation pots, 8-technique hot water constant temperature tanks, the 9-the first technique hot water Flow control valve, the 10-the second process heat Water flow adjusting valve, 11-heat-exchanger pumps, 12-steam control valves.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model Shield range is not limited to the following embodiments.
Embodiment:
A kind of technique hot water supply system as shown in Figure 1, including heat exchanger 1 and setting are in 1 two sides of heat exchanger And technique hot water unit, the steam unit being connected respectively with heat exchanger 1, technique hot water unit include technique hot water return pipe 2 and technique hot water feeding pipe 3, technique hot water feeding pipe 3 is equipped with high-temperature technology hot water buffer system, and steam unit includes steam Air inlet pipe 4 and steam outleting pipe 5, steam inlet duct 4 are equipped with steam control valve group.The system further include respectively with technique hot water list The controller that member, steam unit are electrically connected.
Wherein, high-temperature technology hot water buffer system includes that the water supply of technique hot water is successively set on along process heat water flowing direction Technique hot water surge tank 6, technique hot water thermoregulation pot 7 and technique hot water constant temperature tank 8 on pipe 3.Technique hot water constant temperature tank 8 and technique Be equipped with the first process heat Water flow adjusting valve 9 between hot water thermoregulation pot 7, technique hot water thermoregulation pot 7 and technique hot water surge tank 6 it Between be equipped with the second process heat Water flow adjusting valve 10, controller respectively with the first process heat Water flow adjusting valve 9, the second process heat Water flow adjusting valve 10 is electrically connected.It is equipped with the first temperature sensor in technique hot water constant temperature tank 8, is set in technique hot water thermoregulation pot 7 There is second temperature sensor, controller is electrically connected with the first temperature sensor, second temperature sensor respectively.Technique hot water backwater Pipe 2 is equipped with heat-exchanger pump 11.
Steam control valve group includes multiple steam control valves 12 being arranged in parallel on steam inlet duct 4, controller and steaming Steam control valve 12 is electrically connected.
In practical application, the first process heat Water flow adjusting valve 9 is closed, while the second work under the regulation of controller Skill hot water flow regulating valve 10 is opened, and meets the high-temperature technology hot water of demand of industrial production in technique hot water constant temperature tank 8 not at this time It forfeits into workshop, while the high-temperature technology hot water in heat exchanger 1 after heat exchange heating constantly flows into technique hot water surge tank 6 In, enter in technique hot water thermoregulation pot 7 later, the water temperature in second temperature sensor real-time monitoring technique hot water thermoregulation pot 7, and It feeds back in controller, controller accordingly adjusts steam control valve group, and then changes steam inlet amount, adjusts high-temperature technology hot water Temperature, so that the water temperature in technique hot water thermoregulation pot 7 is progressivelyed reach required temperature;Second process heat Water flow adjusting valve 10 later It closes, while the first process heat Water flow adjusting valve 9 is opened, the high temperature of demand of industrial production is met in technique hot water thermoregulation pot 7 Technique hot water is sent constantly into technique hot water constant temperature tank 8, while the high-temperature technology hot water in heat exchanger 1 after heat exchange heating is not It is disconnected to be stored in technique hot water surge tank 6, when the high-temperature technology hot water in technique hot water thermoregulation pot 7 is all sent into technique hot water perseverance After in warm tank 8, the first process heat Water flow adjusting valve 9 is closed, while opening the second process heat Water flow adjusting valve 10, repeated Carry out above-mentioned steps.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and Modification should be all within the protection scope of the utility model.

Claims (7)

1. a kind of technique hot water supply system, which is characterized in that the system includes heat exchanger (1) and is arranged in heat exchanger (1) two sides and the technique hot water unit, the steam unit that are connected respectively with heat exchanger (1), the technique hot water unit packet Technique hot water return pipe (2) and technique hot water feeding pipe (3) are included, the technique hot water feeding pipe (3) is equipped with high-temperature technology Hot water buffer system, the steam unit include steam inlet duct (4) and steam outleting pipe (5), the steam inlet duct (4) it is equipped with steam control valve group.
2. a kind of technique hot water supply system according to claim 1, which is characterized in that the system further include respectively with work The controller that skill hot water unit, steam unit are electrically connected.
3. a kind of technique hot water supply system according to claim 2, which is characterized in that the high-temperature technology hot water is slow Flushing system include the technique hot water surge tank (6) being successively set on along process heat water flowing direction on technique hot water feeding pipe (3), Technique hot water thermoregulation pot (7) and technique hot water constant temperature tank (8).
4. a kind of technique hot water supply system according to claim 3, which is characterized in that the technique hot water constant temperature tank (8) the first process heat Water flow adjusting valve (9), the technique hot water thermoregulation pot are equipped between technique hot water thermoregulation pot (7) (7) it is equipped with the second process heat Water flow adjusting valve (10) between technique hot water surge tank (6), the controller is respectively with the One process heat Water flow adjusting valve (9), the electrical connection of the second process heat Water flow adjusting valve (10).
5. a kind of technique hot water supply system according to claim 3, which is characterized in that the technique hot water constant temperature tank (8) it is equipped with the first temperature sensor in, is equipped with second temperature sensor, the control in the technique hot water thermoregulation pot (7) Device processed is electrically connected with the first temperature sensor, second temperature sensor respectively.
6. a kind of technique hot water supply system according to claim 2, which is characterized in that the technique hot water return pipe (2) heat-exchanger pump (11) are equipped with.
7. a kind of technique hot water supply system according to claim 2, which is characterized in that the steam control valve group packet Include multiple steam control valves (12) being arranged in parallel on steam inlet duct (4), the controller and steam control valve (12) Electrical connection.
CN201822033539.3U 2018-12-05 2018-12-05 A kind of technique hot water supply system Active CN209165572U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822033539.3U CN209165572U (en) 2018-12-05 2018-12-05 A kind of technique hot water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822033539.3U CN209165572U (en) 2018-12-05 2018-12-05 A kind of technique hot water supply system

Publications (1)

Publication Number Publication Date
CN209165572U true CN209165572U (en) 2019-07-26

Family

ID=67342245

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822033539.3U Active CN209165572U (en) 2018-12-05 2018-12-05 A kind of technique hot water supply system

Country Status (1)

Country Link
CN (1) CN209165572U (en)

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