CN205316684U - Temperature control system is made to hot water - Google Patents
Temperature control system is made to hot water Download PDFInfo
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- CN205316684U CN205316684U CN201521074884.1U CN201521074884U CN205316684U CN 205316684 U CN205316684 U CN 205316684U CN 201521074884 U CN201521074884 U CN 201521074884U CN 205316684 U CN205316684 U CN 205316684U
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Abstract
The utility model relates to a temperature control system is made to hot water, including conveyor and temperature regulating device, conveyor includes hot -water cylinder, heat transfer mechanism and carries water to heat transfer mechanism's pump from the hot -water cylinder, is equipped with the water intake pipe of system on the hot -water cylinder, heat transfer mechanism comprises a plurality of heat exchangers, and the water inlet of first heat exchanger is the heat transfer mechanism water inlet, and the delivery port of final heat exchanger is the heat transfer mechanism delivery port, and the water inlet of hou mian heat exchanger links to each other with the delivery port of preceding heat exchanger, and the heat transfer mechanism delivery port is equipped with return water pipeline and the system outlet pipe way of heat transfer mechanism to the hot -water cylinder, temperature regulating device comprises liquid level control mechanism and temperature control mechanism for liquid level and the leaving water temperature of system delivery port of control in the hot -water cylinder. Compared with the prior art, the utility model discloses the control by temperature change is accurate, and the temperature does not reach can only circulation heating and do not go out hydrothermal drawback in the time of can avoiding needing hot water, can obtain the hot water of different temperatures moreover according to the technology needs.
Description
Technical field
The utility model relates to hot water and manufactures field, especially relates to a kind of hot water and manufactures temperature controlling system.
Background technology
Existing hot water manufacturing system is by leading to into hot-water cylinder by cold water, closure systems outlet valve, the circulation line being connected between hot-water cylinder and interchanger, then by pump, water is carried out between hot-water cylinder and an interchanger circulation to heat, when the water temperature of heat exchanger exit reaches temperature requirement, when needing hot water, just stop hot water circulation, open system outlet valve by hot water output system. In time technique needing use hot water, must ensure that exchanger heat water outlet temperature reaches technique initialization temperature, system outlet valve just can automatically be opened and stop hot water circulation simultaneously, hot water manufacturing system outward supplying heat water, when not needing hot water in technique, system outlet valve is automatically closed hot water simultaneously and is circulated between hot-water cylinder and interchanger.
The problem of this system is the decline along with liquid level in hot-water cylinder, new cold water fills into hot-water cylinder automatically by valve, water temperature in hot-water cylinder is sharply declined, owing to only having one-level temperature control, cause the temperature of heat exchanger outlet temperature sensor sense that instantaneous fluctuation occurs, make in time technique needing use water, owing to heat exchanger outlet temperature does not reach technique initialization temperature, hot water can only reflux cycle and downstream process hot water cannot be supplied to, greatly increase the processes time.
Summary of the invention
The purpose of this utility model is exactly the defect in order to overcome the existence of above-mentioned prior art and provides a kind of temperature control accurate, when can avoid needing hot water, water temperature does not reach and can only circulate heating and not go out the drawback of hot water, and the hot water obtaining differing temps hot water can be needed to manufacture temperature controlling system according to technique.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of hot water manufactures temperature controlling system, comprises e Foerderanlage and temperature regulating device,
Described e Foerderanlage comprises hot-water cylinder, heat exchange mechanisms and water is delivered to from hot-water cylinder the pump of heat exchange mechanisms, and described hot-water cylinder is provided with system suction culvert; Described heat exchange mechanisms is made up of multiple interchanger, each interchanger be equipped with water-in, water outlet and give hot media channel, the water-in of first interchanger is heat exchange mechanisms water-in, the water outlet of last interchanger is heat exchange mechanisms water outlet, the water-in of interchanger below is connected with the water outlet of interchanger above, heat exchange mechanisms water outlet is provided with heat exchange mechanisms to the water return pipeline of hot-water cylinder and system outlet pipeline, being connected respectively with to heat medium pipeline to hot media channel of each interchanger;
Described temperature regulating device is made up of level controling mechanism and temperature control device, described level controling mechanism is made up of flow director, the liquid level sensor being arranged on hot-water cylinder and the control valve that is arranged on system suction culvert, described temperature control device comprises controller, be arranged on the temperature sensor of each interchanger water outlet, be arranged on each interchanger to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and the control valve that is arranged on water return pipeline.
Described temperature control device controlled temperature signal transmission to controller by the temperature sensor that is arranged on each interchanger water outlet to be arranged on each interchanger to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and the control valve that is arranged on water return pipeline.
Described water return pipeline is also provided with bypass duct.
Described bypass duct is provided with small-bore normally open valve.
Described heat exchange mechanisms comprises two interchanger.
The desired temperature of the temperature sensor of the interchanger water outlet before in described heat exchange mechanisms is lower than the desired temperature of the temperature sensor of interchanger water outlet below.
Control valve on the described control valve on system suction culvert, system outlet pipeline and the control valve on water return pipeline are the Pneumatic butterfly valve with switch two position, described interchanger be the ratio control valve with aperture control to the control valve in heat medium pipeline.
The heat exchange mechanisms that the utility model adopts is at least two interchanger, at the outlet set temperature sensor of each interchanger, this system is made to have at least two-stage function of temperature control, during work, system is by the temperature that the design for temperature sensor on each interchanger is different, and make the desired temperature of the temperature sensor of heat exchanger exit above lower than the desired temperature of the temperature sensor of heat exchanger exit below, the temperature signal transmission of each interchanger water outlet is controlled the flow of each interchanger heating medium by temperature control device by the temperature sensor of each interchanger water outlet to controller, by such multistage temperature control, the temperature of the water outlet of last interchanger is made to reach stable. and by being provided with the bypass duct of normally open valve on water return pipeline, make no matter to need hot water, all the time part hot water is had to circulate between hot-water cylinder and heat exchange mechanisms, water temperature in hot-water cylinder can not fill into cold water and fluctuate bigger due to system suction culvert, but remain in a temperature range of the slightly desired temperature of temperature sensor lower than first heat exchanger exit, it is possible to reduce the temperature fluctuation that hot-water cylinder causes due to moisturizing further. the utility model can also when needing the hot water of outlet design temperature of the interchanger of certain in heat exchange mechanisms, only need to be shielded by the temperature sensor of the interchanger after this interchanger by controller, turn off the control valve on the heating medium pipeline of the interchanger after this interchanger, so that it may to obtain the hot water of this heat exchanger exit design temperature.
Compared with prior art, the utility model has the following advantages:
(1) there is multistage function of temperature control. At least two interchanger, at the outlet set temperature sensor of each interchanger so that this system has at least two-stage function of temperature control so that technological temperature control is more accurate.
(2) multiple different hot-water process's temperature is obtained according to process requirements. When technique needs the hot water of outlet design temperature of the interchanger of certain in heat exchange mechanisms, only need to be shielded by the temperature sensor of the interchanger after this interchanger by controller, turn off the control valve on the heating medium pipeline of the interchanger after this interchanger, so that it may to obtain the hot water of certain heat exchanger exit design temperature.
(3) by multistage temperature control and the bypass duct being provided with small-bore normally open valve at water return pipeline, water temperature in hot-water cylinder can not be fluctuated excessive due to moisturizing, avoid heat exchanger outlet temperature and do not reach technique initialization temperature, hot water can only reflux cycle and the drawback of downstream process hot water cannot be supplied to.
(4) pipeline of circulation water of the present utility model adopts the Pneumatic butterfly valve having and opening and closing two positions, heating medium pipeline adopts the ratio control valve can with aperture control, thus realizing simplified system on the basis of temperature control, reliability is better, and system response is rapider.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present utility model;
In figure, 1 is hot-water cylinder, 2 is the first interchanger, 201 is the first interchanger water-in, 202 is the first interchanger water outlet, 203 is the first heat exchange temperature sensor, 204 is that the first interchanger is to hot medium pipeline control valve, 3 is the 2nd interchanger, 301 is the 2nd interchanger water-in, 302 is the 2nd interchanger water outlet, 303 is the 2nd heat exchange temperature sensor, 304 is that the 2nd interchanger is to hot medium pipeline control valve, 4 is pump, 5 is system suction culvert, 501 is system suction culvert control valve, 6 is system outlet pipeline, 601 is system outlet pipeline control valve, 7 is water return pipeline, 701 is water return pipeline control valve, 8 is bypass duct, 801 is small-bore normally open valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of hot water manufactures temperature controlling system, comprise e Foerderanlage and temperature regulating device, e Foerderanlage comprises hot-water cylinder 1, heat exchange mechanisms and water is delivered to from hot-water cylinder 1 pump 2 of heat exchange mechanisms, hot-water cylinder 1 is provided with system suction culvert 5, which is provided with system water inlet tank road control valve 501, hot-water cylinder 1 is also provided with liquid level sensor, heat exchange mechanisms is made up of the first interchanger 2 and the 2nd interchanger 3, each interchanger is equipped with water-in, water outlet and give hot media channel, first interchanger water-in 201 is heat exchange mechanisms water-in, 2nd interchanger water outlet 302 is heat exchange mechanisms water outlet, 2nd interchanger water-in 301 is connected with the first interchanger water outlet 202, first interchanger water outlet 202 is provided with the first heat exchange temperature sensor 203, 2nd interchanger water outlet 302 is provided with the 2nd heat exchange temperature sensor 303, heat exchange mechanisms water outlet is provided with heat exchange mechanisms to the water return pipeline 7 of hot-water cylinder 1 and system outlet pipeline 6, water return pipeline 7 is provided with water return pipeline control valve 701, water return pipeline 7 is provided with bypass duct 8, bypass duct 8 is provided with small-bore normally open valve 801, system outlet pipeline 6 is provided with system outlet pipeline control valve 601, being connected respectively with to heat medium pipeline to hot media channel of each interchanger, first interchanger be provided with the first interchanger to heat medium pipeline to heat medium pipeline, 2nd interchanger be provided with the 2nd interchanger to heat medium pipeline to heat medium pipeline, first interchanger is provided with the first interchanger to hot medium pipeline control valve 204 to heat medium pipeline, 2nd interchanger is provided with the 2nd interchanger to hot medium pipeline control valve 304 to heat medium pipeline,
Temperature regulating device is made up of level controling mechanism and temperature control device, wherein, level controling mechanism is made up of flow director, liquid level sensor and system suction culvert control valve 501, by fluid level controller, the liquid level signal of hot-water cylinder 1 is passed to controller, controller Controlling System suction culvert control valve 501, for the liquid level controlled in hot-water cylinder 1, when liquid level is lower than set(ting)value, opening system suction culvert control valve 501, cold water enters thus system is carried out moisturizing. temperature control device comprises controller, first heat exchange temperature sensor 203, 2nd heat exchange temperature sensor 303, first interchanger is to heat medium pipeline control valve 204, 2nd interchanger is to heat medium pipeline control valve 304, system outlet pipeline control valve 601 and water return pipeline control valve 701, first heat exchange temperature sensor 203 and the 2nd heat exchange temperature sensor 303 by the temperature signal transmission of the outlet of corresponding interchanger to controller, controller controls the first interchanger and to the aperture of heat medium pipeline control valve 304 thus regulates to the flow of thermal medium to heat medium pipeline control valve 204 and the 2nd interchanger, regulated by two-stage temperature, make technological temperature control more accurate, by the desired temperature of the desired temperature of the 2nd heat exchange temperature sensor 303 higher than the first heat exchange temperature sensor 203, when system is just started working, the temperature value that the temperature value of heat exchange mechanisms water outlet sets lower than the 2nd heat exchange temperature sensor 303, by controller closure systems outlet pipeline control valve 601, open water return pipeline control valve 701, water is allowed to be circulated between hot-water cylinder 1 and heat exchange mechanisms by water return pipeline 7 and bypass duct 8, when the temperature value of heat exchange mechanisms water outlet reaches the desired temperature of the 2nd heat exchange temperature sensor 303, closure systems water return pipeline control valve 701, open system outlet water control valve 601 and carry out supplying hot water, in supplying hot water process, due to the existence of bypass duct 8, all the time part heat exchange mechanisms hot water out is had to be circulated to again in hot-water cylinder 1, make in the temperature range that the water temperature in hot-water cylinder 1 can maintain the slightly desired temperature of temperature sensor lower than the first heat exchanger exit, even if when at this moment the liquid level in hot-water cylinder 1 is lower than set(ting)value, open system suction culvert control valve 501 and system is carried out moisturizing, also the fluctuating temperature in hot-water cylinder 1 will be made bigger due to entering of cold water,When technique needs the desired temperature of the first heat exchange temperature sensor 203, the 2nd heat exchange temperature sensor 303 is shielded by controller, close the 2nd interchanger to heat medium pipeline control valve 304, stop the heating to the 2nd interchanger, thus obtain the water of the temperature value that the first heat exchange temperature sensor 203 sets. Wherein system suction culvert control valve 501, system outlet pipeline control valve 601 and water return pipeline control valve 701 are the Pneumatic butterfly valve with switch two position, and the first interchanger is the ratio control valve with aperture control to hot medium pipeline control valve 204 and the 2nd interchanger to heat medium pipeline control valve 304.
Claims (7)
1. hot water manufactures a temperature controlling system, comprises e Foerderanlage and temperature regulating device, it is characterised in that:
Described e Foerderanlage comprises hot-water cylinder, heat exchange mechanisms and water is delivered to from hot-water cylinder the pump of heat exchange mechanisms, and described hot-water cylinder is provided with system suction culvert; Described heat exchange mechanisms is made up of multiple interchanger, each interchanger be equipped with water-in, water outlet and give hot media channel, the water-in of first interchanger is heat exchange mechanisms water-in, the water outlet of last interchanger is heat exchange mechanisms water outlet, the water-in of interchanger below is connected with the water outlet of interchanger above, heat exchange mechanisms water outlet is provided with heat exchange mechanisms to the water return pipeline of hot-water cylinder and system outlet pipeline, being connected respectively with to heat medium pipeline to hot media channel of each interchanger;
Described temperature regulating device is made up of level controling mechanism and temperature control device, described level controling mechanism is made up of flow director, the liquid level sensor being arranged on hot-water cylinder and the control valve that is arranged on system suction culvert, described temperature control device comprises controller, be arranged on the temperature sensor of each interchanger water outlet, be arranged on each interchanger to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and the control valve that is arranged on water return pipeline.
2. hot water according to claim 1 manufactures temperature controlling system, it is characterized in that, described temperature control device controlled temperature signal transmission to controller by the temperature sensor that is arranged on each interchanger water outlet to be arranged on each interchanger to the control valve in heat medium pipeline, the control valve being arranged on system outlet pipeline and the control valve that is arranged on water return pipeline.
3. hot water according to claim 1 manufactures temperature controlling system, it is characterised in that, described water return pipeline is also provided with bypass duct.
4. hot water according to claim 3 manufactures temperature controlling system, it is characterised in that, described bypass duct 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 comprises two interchanger.
6. hot water according to claim 1 manufactures temperature controlling system, it is characterised in that, the desired temperature of the temperature sensor of the interchanger water outlet before in described heat exchange mechanisms is lower than the desired temperature of the temperature sensor of interchanger water outlet below.
7. hot water according to claim 1 manufactures temperature controlling system, it is characterized in that, control valve on the described control valve on system suction culvert, system outlet pipeline and the control valve on water return pipeline are the Pneumatic butterfly valve with switch two position, described interchanger be the ratio control valve with aperture control to the control valve in heat medium pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074884.1U CN205316684U (en) | 2015-12-21 | 2015-12-21 | Temperature control system is made to hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074884.1U CN205316684U (en) | 2015-12-21 | 2015-12-21 | Temperature control system is made to hot water |
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| Publication Number | Publication Date |
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| CN205316684U true CN205316684U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521074884.1U Active CN205316684U (en) | 2015-12-21 | 2015-12-21 | Temperature control system is made to hot water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895586A (en) * | 2015-12-21 | 2017-06-27 | 上海沃迪自动化装备股份有限公司 | A kind of hot water manufactures temperature-controlling system |
| CN113651382A (en) * | 2021-09-03 | 2021-11-16 | 大连船舶重工集团有限公司 | FPSO sump oil water cabin heating system |
-
2015
- 2015-12-21 CN CN201521074884.1U patent/CN205316684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895586A (en) * | 2015-12-21 | 2017-06-27 | 上海沃迪自动化装备股份有限公司 | A kind of hot water manufactures temperature-controlling system |
| CN113651382A (en) * | 2021-09-03 | 2021-11-16 | 大连船舶重工集团有限公司 | FPSO sump oil water cabin heating system |
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