CN106895586A - A kind of hot water manufactures temperature-controlling system - Google Patents
A kind of hot water manufactures temperature-controlling system Download PDFInfo
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- CN106895586A CN106895586A CN201510967981.1A CN201510967981A CN106895586A CN 106895586 A CN106895586 A CN 106895586A CN 201510967981 A CN201510967981 A CN 201510967981A CN 106895586 A CN106895586 A CN 106895586A
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- water
- temperature
- hot
- heat exchanger
- heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The present invention relates to a kind of hot water manufacture temperature-controlling system, including conveying device and temperature regulating device, conveying device includes hot-water cylinder, heat exchange mechanisms and water is delivered to the pump of heat exchange mechanisms from hot-water cylinder, and hot-water cylinder is provided with system inlet pipeline；Heat exchange mechanisms are made up of multiple heat exchangers, first water inlet of heat exchanger is heat exchange mechanisms water inlet, the delivery port of last heat exchanger is heat exchange mechanisms delivery port, the water inlet of heat exchanger below is connected with the delivery port of heat exchanger above, and heat exchange mechanisms delivery port is provided with the water return pipeline and system outlet pipeline of heat exchange mechanisms to hot-water cylinder；Temperature regulating device is made up of level controling mechanism and temperature control device, the leaving water temperature for controlling liquid level and system delivery port in hot-water cylinder.Compared with prior art, temperature control of the present invention is accurate, when can avoid the need for hot water water temperature do not reach can only circulating-heating without going out hot water the drawbacks of, and can be needed to obtain the hot water of different temperatures according to technique.
Description
Technical field
The present invention relates to hot water manufacture field, temperature-controlling system is manufactured more particularly, to a kind of hot water.
Background technology
Existing hot water manufacture system is passed through hot-water cylinder by by cold water, closes system outlet valve, connection hot-water cylinder with
Circulation line between heat exchanger, is then circulated heating by water by pump between hot-water cylinder and a heat exchanger,
, it is necessary in the case of hot water, just stop hot water circuit when the water temperature of heat exchanger exit reaches temperature requirement, system is opened
System outlet valve is by hot water output system.When needing to use hot water in technique, it is necessary to ensure that heat exchanger hot water goes out
Mouth temperature reaches technique initialization temperature, and system outlet valve can just be automatically opened up and stop hot water circuit simultaneously, hot water manufacture
System outward supplying heat water, when hot water is not needed in technique, system outlet valve is automatically switched off while hot water is in hot-water cylinder
Circulated and heat exchanger between.
The problem of this system is that, with the decline of liquid level in hot-water cylinder, new cold water fills into hot water automatically by valve
Tank, makes the water temperature in hot-water cylinder drastically decline, and due to there was only one-level temperature control, causes heat exchanger outlet temperature sensor
There is momentary fluctuation in the temperature of sensing, makes when needing to use water in technique, because heat exchanger outlet temperature is not up to
To technique initialization temperature, hot water can only reflux cycle and downstream process hot water cannot be supplied to, technique is increased significantly
Process time.
The content of the invention
The purpose of the present invention is exactly that a kind of temperature control is provided for the defect for overcoming above-mentioned prior art to exist accurately, energy
When enough avoiding the need for hot water water temperature do not reach can only circulating-heating without going out hot water the drawbacks of, and can be according to technique need
Obtain the hot water manufacture temperature-controlling system of different temperatures hot water.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of hot water manufactures temperature-controlling system, including conveying device and temperature regulating device,
Described conveying device includes hot-water cylinder, heat exchange mechanisms and water is delivered to the pump of heat exchange mechanisms from hot-water cylinder,
Described hot-water cylinder is provided with system inlet pipeline；Described heat exchange mechanisms are made up of multiple heat exchangers, each heat exchange
Device is equipped with water inlet, delivery port and to hot media channel, and first water inlet of heat exchanger is intake for heat exchange mechanisms
Mouthful, the delivery port of last heat exchanger is heat exchange mechanisms delivery port, the water inlet of heat exchanger below with above
The delivery port of heat exchanger is connected, and heat exchange mechanisms delivery port is provided with heat exchange mechanisms to the water return pipeline and system of hot-water cylinder and goes out
Water lines, each heat exchanger is connected to hot media channel with to heat medium pipeline respectively；
Described temperature regulating device is made up of level controling mechanism and temperature control device, described level controling mechanism by
Flow controller, the liquid level sensor being arranged on hot-water cylinder and the control valve group being arranged on system inlet pipeline
Into described temperature control device includes controller, is arranged on the temperature sensor of each heat exchanger delivery port, sets
Put and to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and set in each heat exchanger
Put the control valve on water return pipeline.
Described temperature control device is by being arranged on the temperature sensor of each heat exchanger delivery port by temperature signal
Controller is passed to control to be arranged on going out to the control valve in heat medium pipeline, the system of being arranged on for each heat exchanger
Control valve and the control valve being arranged on water return pipeline in water lines.
Bypass duct is additionally provided with described water return pipeline.
Described bypass duct is provided with small-bore normally open valve.
Described heat exchange mechanisms include two heat exchangers.
The desired temperature of the temperature sensor of the heat exchanger delivery port before in described heat exchange mechanisms is less than below
Heat exchanger delivery port temperature sensor desired temperature.
The control on control valve and water return pipeline on control valve, system outlet pipeline on described system inlet pipeline
Valve processed is the Pneumatic butterfly valve with two positions of switch, and described heat exchanger is to the valve that controls in heat medium pipeline
Proportional control valve with aperture control.
The heat exchange mechanisms that the present invention is used are at least two heat exchangers, and TEMP is set in the outlet of each heat exchanger
Device so that the system has at least two-stage function of temperature control, and during work, system is by the temperature on each heat exchanger
The different temperature of Sensor Design, and cause that the desired temperature of the temperature sensor of heat exchanger exit above is less than
The desired temperature of the temperature sensor of heat exchanger exit below, temperature control device passes through each heat exchanger water outlet
The temperature signal of each heat exchanger delivery port is passed to controller to control each heat exchanger by the temperature sensor of mouth
The flow of medium is heated, by such multistage temperature control so that the temperature of the delivery port of last heat exchanger reaches
Stabilization.And by being provided with the bypass duct of normally open valve on water return pipeline so that no matter hot water need to not be needed,
All the time part hot water is circulated between hot-water cylinder and heat exchange mechanisms, the water temperature in hot-water cylinder will not be intake due to system
Pipeline fills into cold water and fluctuates larger, and is held in slightly less than first temperature of the temperature sensor of heat exchanger exit
Spend in a temperature range of setting value, can further reduce the temperature fluctuation that hot-water cylinder is caused due to moisturizing.This
Invention can also be in the hot water of the outlet design temperature of the heat exchanger of certain in needing heat exchange mechanisms, it is only necessary to passes through
Controller shields the temperature sensor of the heat exchanger after the heat exchanger, turns off heat exchanger after the heat exchanger
Control valve on heating medium pipeline, it is possible to obtain the hot water of the heat exchanger exit design temperature.
Compared with prior art, the present invention has advantages below：
(1) with multistage function of temperature control.At least two heat exchangers, set temperature and pass in the outlet of each heat exchanger
Sensor so that the system has at least two-stage function of temperature control so that technological temperature control is more accurate.
(2) various different hot-water process's temperature are obtained according to process requirements.In heat exchange mechanisms are needed in technique
Certain heat exchanger outlet design temperature hot water when, it is only necessary to by controller by the heat exchange after the heat exchanger
The temperature sensor shielding of device, turns off the control valve on the heating medium pipeline of the heat exchanger after the heat exchanger, just
The hot water of certain heat exchanger exit design temperature can be obtained.
(3) it is provided with the bypass duct of small-bore normally open valve by multistage temperature control and in water return pipeline so that heat
Water temperature in water pot will not fluctuate excessive due to moisturizing, it is to avoid heat exchanger outlet temperature does not reach technique initialization temperature
Degree, hot water can only reflux cycle and the drawbacks of downstream process hot water cannot be supplied to.
(4) using the Pneumatic butterfly valve with two positions of opening and closing, heating is situated between the pipeline of circulation water of the invention
The use of matter pipeline can have the proportional control valve of aperture control, so as to simplify system on the basis of temperature control is realized,
More preferably, system response is rapider for reliability.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the invention；
In figure, 1 is hot-water cylinder, and 2 is First Heat Exchanger, and 201 is First Heat Exchanger water inlet, and 202 change for first
Hot device delivery port, 203 is First Heat Exchanger temperature sensor, and 204 give hot medium pipeline control for First Heat Exchanger
Valve, 3 is the second heat exchanger, and 301 is the second heat exchanger water inlet, and 302 is the second heat exchanger delivery port, 303
It is the second heat exchange temperature sensor, 304 is that the second heat exchanger controls valve to hot medium pipeline, and 4 is pump, and 5 are
System inlet pipeline, 501 is that system inlet pipeline controls valve, and 6 is system outlet pipeline, and 601 is system water outlet
Pipe-line control valve, 7 is water return pipeline, and 701 is that water return pipeline controls valve, and 8 is bypass duct, and 801 is small-bore
Normally open valve.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of hot water manufactures temperature-controlling system, including conveying device and temperature regulating device, conveying device include hot-water cylinder 1,
Heat exchange mechanisms and water is delivered to the pump 2 of heat exchange mechanisms from hot-water cylinder 1, hot-water cylinder 1 is provided with system inlet pipeline
5, the system of which is provided with enters water pot road control valve 501, and hot-water cylinder 1 is additionally provided with liquid level sensor；Heat exchange mechanisms by
The heat exchanger 3 of First Heat Exchanger 2 and second is constituted, and each heat exchanger is equipped with water inlet, delivery port and to thermal medium
Passage, First Heat Exchanger water inlet 201 is heat exchange mechanisms water inlet, and the second heat exchanger delivery port 302 is heat exchanger
Structure delivery port, the second heat exchanger water inlet 301 is connected with First Heat Exchanger delivery port 202, First Heat Exchanger water outlet
Mouth 202 is provided with First Heat Exchanger temperature sensor 203, and the second heat exchanger delivery port 302 is provided with the second heat exchanger temperature
Degree sensor 303, heat exchange mechanisms delivery port is provided with water return pipeline 7 and system water outlet of the heat exchange mechanisms to hot-water cylinder 1
Pipeline 6, water return pipeline 7 is provided with water return pipeline control valve 701, and water return pipeline 7 is provided with bypass duct 8,
Bypass duct 8 is provided with small-bore normally open valve 801, and system outlet pipeline 6 is provided with system outlet pipeline control valve
601, each heat exchanger is connected to hot media channel with to heat medium pipeline respectively, and the heat of giving of First Heat Exchanger is situated between
Matter pipeline is provided with First Heat Exchanger to heat medium pipeline, and the second heat exchanger is provided with second and changes to heat medium pipeline
Hot device is provided with First Heat Exchanger and gives hot medium pipeline control to heat medium pipeline, First Heat Exchanger to heat medium pipeline
Valve 204, the second heat exchanger is provided with the second heat exchanger and controls valve 304 to hot medium pipeline to heat medium pipeline；
Temperature regulating device is made up of level controling mechanism and temperature control device, wherein, level controling mechanism is by flow control
Device processed, liquid level sensor and system inlet pipeline control valve 501 are constituted, by fluid level controller by hot-water cylinder 1
Liquid level signal pass to controller, controller control system inlet pipeline control valve 501, for controlling hot-water cylinder
Liquid level in 1, when liquid level is less than setting value, opens system inlet pipeline control valve 501, cold water enter so as to
Moisturizing is carried out to system.Temperature control device includes that controller, First Heat Exchanger temperature sensor 203, second are changed
Hot device temperature sensor 303, First Heat Exchanger is to heat medium pipeline control valve 204, the second heat exchanger to thermal medium
Pipe-line control valve 304, system outlet pipeline control valve 601 and water return pipeline control valve 701, First Heat Exchanger temperature
The degree heat exchange temperature sensor 303 of sensor 203 and second passes the temperature signal of the outlet of corresponding heat exchanger
Controller is passed, controller controls First Heat Exchanger to be situated between to heat to heat medium pipeline control valve 204 and second heat exchanger
The aperture of matter pipe-line control valve 304 so as to adjust to the flow of thermal medium, by two-stage temperature adjustment so that technique
Temperature control is more accurate, is higher than First Heat Exchanger temperature by the desired temperature of the second heat exchange temperature sensor 303
The desired temperature of sensor 203 is spent, when system is just started working, the temperature value of heat exchange mechanisms delivery port is less than the
The temperature value of the setting of two heat exchange temperature sensor 303, closes system outlet pipeline and controls valve 601 by controller,
Water return pipeline control valve 701 is opened, allows water to pass through water return pipeline 7 and bypass duct 8 in hot-water cylinder 1 and heat exchanger
Circulated between structure, when the temperature that the temperature value of heat exchange mechanisms delivery port reaches the second heat exchange temperature sensor 303 sets
During definite value, system return pipe-line control valve 701 is closed, opening system outlet water control valve 601 carries out supply hot water,
During supply hot water, due to the presence of bypass duct 8, there is heat exchange mechanisms hot water out in part to circulate again all the time
Into hot-water cylinder 1 so that the water temperature in hot-water cylinder 1 is able to maintain that the temperature in the outlet of slightly less than First Heat Exchanger is passed
In one temperature range of the desired temperature of sensor, even if at this moment the liquid level in hot-water cylinder 1 is less than setting value,
Opening system inlet pipeline control valve 501 carries out moisturizing to system, also will not cause hot-water cylinder due to the entrance of cold water
Fluctuating temperature in 1 is larger；When the desired temperature of First Heat Exchanger temperature sensor 203 is needed in technique,
Second heat exchange temperature sensor 303 is shielded by controller, the second heat exchanger is closed and is controlled valve to heat medium pipeline
304, stop the heating to the second heat exchanger, so as to obtain the temperature of the setting of First Heat Exchanger temperature sensor 203
The water of value.Wherein system inlet pipeline control valve 501, system outlet pipeline control valve 601 and water return pipeline control
Valve 701 is the Pneumatic butterfly valve with two positions of switch, and First Heat Exchanger controls valve 204 and the to hot medium pipeline
Two heat exchangers are the proportional control valve with aperture control to heat medium pipeline control valve 304.
Claims (7)
1. a kind of hot water manufactures temperature-controlling system, including conveying device and temperature regulating device, it is characterised in that：
Described conveying device includes hot-water cylinder, heat exchange mechanisms and water is delivered to the pump of heat exchange mechanisms from hot-water cylinder,
Described hot-water cylinder is provided with system inlet pipeline；Described heat exchange mechanisms are made up of multiple heat exchangers, each heat exchange
Device is equipped with water inlet, delivery port and to hot media channel, and first water inlet of heat exchanger is intake for heat exchange mechanisms
Mouthful, the delivery port of last heat exchanger is heat exchange mechanisms delivery port, the water inlet of heat exchanger below with above
The delivery port of heat exchanger is connected, and heat exchange mechanisms delivery port is provided with heat exchange mechanisms to the water return pipeline and system of hot-water cylinder and goes out
Water lines, each heat exchanger is connected to hot media channel with to heat medium pipeline respectively；
Described temperature regulating device is made up of level controling mechanism and temperature control device, described level controling mechanism by
Flow controller, the liquid level sensor being arranged on hot-water cylinder and the control valve group being arranged on system inlet pipeline
Into described temperature control device includes controller, is arranged on the temperature sensor of each heat exchanger delivery port, sets
Put and to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and set in each heat exchanger
Put the control valve on water return pipeline.
2. hot water according to claim 1 manufactures temperature-controlling system, it is characterised in that described temperature control
Temperature signal is passed to controller by being arranged on the temperature sensor of each heat exchanger delivery port and controlled by mechanism
Be arranged on each heat exchanger to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and
It is arranged on the control valve on water return pipeline.
3. hot water according to claim 1 manufactures temperature-controlling system, it is characterised in that described water return pipeline
On be additionally provided with bypass duct.
4. hot water according to claim 3 manufactures temperature-controlling system, it is characterised in that described bypass duct
It is provided with small-bore normally open valve.
5. hot water according to claim 1 manufactures temperature-controlling system, it is characterised in that described heat exchange mechanisms
Including two heat exchangers.
6. hot water according to claim 1 manufactures temperature-controlling system, it is characterised in that described heat exchange mechanisms
In before heat exchanger delivery port temperature sensor temperature of the desired temperature less than heat exchanger delivery port below
Spend the desired temperature of sensor.
7. hot water according to claim 1 manufactures temperature-controlling system, it is characterised in that described system water inlet
The control valve on control valve and water return pipeline on control valve, system outlet pipeline on pipeline is with switch two
The Pneumatic butterfly valve of position, described heat exchanger is the ratio with aperture control to the valve that controls in heat medium pipeline
Control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967981.1A CN106895586A (en) | 2015-12-21 | 2015-12-21 | A kind of hot water manufactures temperature-controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967981.1A CN106895586A (en) | 2015-12-21 | 2015-12-21 | A kind of hot water manufactures temperature-controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106895586A true CN106895586A (en) | 2017-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510967981.1A Pending CN106895586A (en) | 2015-12-21 | 2015-12-21 | A kind of hot water manufactures temperature-controlling system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514845A (en) * | 2009-03-25 | 2009-08-26 | 滁州扬子必威中央空调有限公司 | Novel efficient high temperature air-source heat pump hot water unit |
| CN201327184Y (en) * | 2008-11-28 | 2009-10-14 | 滁州扬子必威中央空调有限公司 | Small-capacity water storage tank of air-source heat pump hot water unit |
| CN101900416A (en) * | 2010-08-06 | 2010-12-01 | 江苏天舒电器有限公司 | Constant-temperature variable energy-saving water heater |
| CN102235746A (en) * | 2010-04-30 | 2011-11-09 | 浙江康泉电器有限公司 | Quick water heating device for heat pump |
| CN202853091U (en) * | 2012-09-07 | 2013-04-03 | 上海理工大学 | External auxiliary electric heating system of water heater |
| GB201411200D0 (en) * | 2014-06-24 | 2014-08-06 | Thermal Integration Ltd | Fluid-heating apparatus |
| CN104848370A (en) * | 2014-10-28 | 2015-08-19 | 青岛万力科技有限公司 | Serial-connected heat exchange hot water supply circulation system |
| CN205316684U (en) * | 2015-12-21 | 2016-06-15 | 上海沃迪自动化装备股份有限公司 | Temperature control system is made to hot water |
-
2015
- 2015-12-21 CN CN201510967981.1A patent/CN106895586A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327184Y (en) * | 2008-11-28 | 2009-10-14 | 滁州扬子必威中央空调有限公司 | Small-capacity water storage tank of air-source heat pump hot water unit |
| CN101514845A (en) * | 2009-03-25 | 2009-08-26 | 滁州扬子必威中央空调有限公司 | Novel efficient high temperature air-source heat pump hot water unit |
| CN102235746A (en) * | 2010-04-30 | 2011-11-09 | 浙江康泉电器有限公司 | Quick water heating device for heat pump |
| CN101900416A (en) * | 2010-08-06 | 2010-12-01 | 江苏天舒电器有限公司 | Constant-temperature variable energy-saving water heater |
| CN202853091U (en) * | 2012-09-07 | 2013-04-03 | 上海理工大学 | External auxiliary electric heating system of water heater |
| GB201411200D0 (en) * | 2014-06-24 | 2014-08-06 | Thermal Integration Ltd | Fluid-heating apparatus |
| CN104848370A (en) * | 2014-10-28 | 2015-08-19 | 青岛万力科技有限公司 | Serial-connected heat exchange hot water supply circulation system |
| CN205316684U (en) * | 2015-12-21 | 2016-06-15 | 上海沃迪自动化装备股份有限公司 | Temperature control system is made to hot water |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
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| RJ01 | Rejection of invention patent application after publication |