CN107449289A - A kind of automatic control system and method for condenser inflow temperature - Google Patents
A kind of automatic control system and method for condenser inflow temperature Download PDFInfo
- Publication number
- CN107449289A CN107449289A CN201710621936.XA CN201710621936A CN107449289A CN 107449289 A CN107449289 A CN 107449289A CN 201710621936 A CN201710621936 A CN 201710621936A CN 107449289 A CN107449289 A CN 107449289A
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- water
- condenser
- inlet pipe
- water inlet
- outlet pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B11/00—Controlling arrangements with features specially adapted for condensers
Abstract
The present invention provides a kind of automatic control system and method for condenser inflow temperature, its system includes condenser, expansion drum, cooler and Warm water circulation pump, the condenser includes the first water inlet pipe and the first outlet pipe, the cooler includes the second water inlet pipe and the second outlet pipe, the expansion drum includes the 3rd water inlet pipe, the water side of the Warm water circulation pump is connected with normally open valve and normally close valve side by side, the water side of the normally close valve is connected with the second water inlet pipe, second outlet pipe is connected after converging with the water side of the normally open valve with the first water inlet pipe, first outlet pipe is connected with the 3rd water inlet pipe, first water inlet pipe is provided with thermoindicating controller；Its method includes：Expansion drum water filling, thermoindicating controller control water temperature simultaneously inject water into condenser, and warm water outflow condenser simultaneously enters expansion drum.The system good leak tightness of the present invention, automatically controlling for inflow temperature can be achieved, steam usage amount is few, saves the energy, reduces labor strength.
Description
Technical field
The invention belongs to technical field of heat exchange, is related to condenser, and in particular to a kind of condenser inflow temperature it is automatic
Control system and method.
Background technology
Condenser is the parts of refrigeration system, belongs to one kind of heat exchanger, and application is quite varied.Such as power plant is with perhaps
The steam that more condensers discharge turbine is condensed, with condenser come the system of condensate ammonia and freon etc in refrigeration plant
Hydro carbons and other chemical evapns are condensed in cold steam, and petro chemical industry with condenser.
In chemical industry, often material is condensed using condenser, cooling medium is recirculated water, but is followed under normal temperature
The temperature of ring water is 20-25 DEG C, and the temperature is too low, easily crystallizes material, leads to make recirculated water reach the chilling temperature of needs
Steam-heated mode is often taken to lift the temperature of recirculated water.But prior art is to use open water tank, steam heating is open
The water of water tank, heat is easy to lose, and temperature control is difficult, it is necessary to artificial monitoring in real time, the manipulation strength height of worker and energy waste
Seriously.
A kind of temperature automatic adjustment system (Application No. 201620997522.8) of cooling water of utility model patent includes
Automatic control unit, condenser include the first cooling-water duct, and the first cooling-water duct is provided with the first cooling water inlet and first
Coolant outlet, cooling tower include the second cooling-water duct and cooling blower, and the second cooling-water duct enters provided with the second cooling water
Mouthful and the second coolant outlet, the second coolant outlet connects with the first cooling water inlet, the first coolant outlet and second cold
But entrance connects, and automatic control unit includes temperature sensor, temperature controller and frequency converter, and it is cold that temperature sensor is arranged on first
But on water out and the connecting line of the second cooling water inlet, temperature sensor signal connection temperature controller, temperature controller passes through frequency conversion
Device controls connecting fan.The utility model starts blower fan, cooling water is entered in time according to the inflow temperature of the cooling tower detected
Row cooling, it is not necessary to individually reserve the cooling work of time progress cooling water, save the time.But when circulating water temperature is spent
When low, the system is difficult to improve circulating water temperature, easily causes material crystallization.
Therefore it is badly in need of a kind of system good leak tightness, automatically controlling for inflow temperature can be achieved, steam usage amount is few, saves energy
Source, reduce the automatic control system and method for the condenser inflow temperature of labor strength.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of system good leak tightness, inflow temperature can be achieved
Automatically control, steam usage amount is few, saves the energy, the automatically controlling for condenser inflow temperature for reducing labor strength be
System and method.
The invention provides following technical scheme：
A kind of automatic control system of condenser inflow temperature, including condenser, expansion drum, cooler and Warm water circulation
Pump, the condenser include the first water inlet pipe and the first outlet pipe, and the cooler includes the second water inlet pipe and the second outlet pipe,
The expansion drum includes the 3rd water inlet pipe；The water side of the Warm water circulation pump is connected with normally open valve and normally close valve side by side, described
The water side of normally close valve is connected with second water inlet pipe, the water side of second outlet pipe and the normally open valve converge after with
First water inlet pipe is connected, and first outlet pipe is connected with the 3rd water inlet pipe, and first water inlet pipe is provided with temperature
Indicate controller.
Preferably, self-circulating water water main is connected with the downside of the cooler, upside is connected with self-circulating water backwater
House steward, the structure realize the circulating chilled water inside cooler, are easy to be cooled to the water from normally close valve.
Preferably, the top of the expansion drum is provided with the 3rd outlet pipe, and the expansion drum is provided with liquid-level indicating controller, uses
In the liquid level being monitored and controlled in real time in expansion drum.
Preferably, the condenser is additionally provided with thermal material inlet pipe and cold material outlet pipe, the thermal material inlet pipe and described
One outlet pipe is located at the upside of the condenser, and the cold material outlet pipe is located under the condenser with first water inlet pipe
Side.The flow direction of recirculated water is on the contrary, be advantageous to temperature with high efficiency and the condensation of material in the flow direction and condenser of material.
Preferably, the height of the expansion drum is higher than the height of the condenser, and the expansion drum of height design can be protected
Liquid level in card whole system is in normal level, while prevents Warm water circulation pump depletion.
Preferably, the water inlet end of the Warm water circulation pump is connected with self-circulating water water main and from low-pressure steam house steward,
For providing a system to the recirculated water after steam heats.
Preferably, the self-circulating water water main and it is described from low-pressure steam house steward simultaneously with the 3rd water inlet pipe phase
Water and real-time amount of makeup water are introduced when even, for just driving into expansion drum.
A kind of autocontrol method of condenser inflow temperature, comprises the following steps：
S1：Water is injected into expansion drum by self-circulating water water main and from low-pressure steam house steward, indicates to control in liquid level
By Liquid level in tank in 48-52% in the presence of device processed；
S2：Warm water circulation pump is opened, self-circulating water water main and the water provided from the total pipe end of low-pressure steam are heated to
Required temperature, enter condenser then in turn through normally open valve and the first water inlet pipe；
S3：When thermoindicating controller monitors that water temperature rises to over design temperature, the part valve of normally open valve closes
Close, normally close valve is opened, and now some water cools down by normally close valve into cooler, and then the aqueous phase with normally open valve outflow is converged
Conjunction reaches required temperature, then enters condenser by the first water inlet pipe；
S4：Into condenser water material is cooled down after from the first outlet pipe flow out, and through the 3rd water inlet pipe flow into
Expansion drum.
Preferably, the design temperature of thermoindicating controller is 40-70 DEG C in the S3, and the temperature can ensure material not
Crystallization and rapid condensation.
The beneficial effects of the invention are as follows：
(1) automatic control system of condenser inflow temperature provided by the invention is closed system, by low-pressure steam plus
The hydro-thermal amount of heat is scattered and disappeared less, therefore steam usage amount is few, saves the energy.
(2) automatic control system of condenser inflow temperature provided by the invention is monitored in real time by thermoindicating controller
Water temperature in first water inlet pipe, so as to control the folding of normally open valve and normally close valve, and then the temperature of recirculated water is controlled, from
And realize automatically controlling for condenser inflow temperature.
(3) automatic control system and method for condenser inflow temperature provided by the invention, simple to operate, automaticity
Height, artificial monitoring in real time and operation are not required to, reduce the labor intensity of worker.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the automatic control system of condenser inflow temperature in the present invention.
In figure mark for：1st, self-circulating water water main；2nd, from low-pressure steam house steward；3rd, Warm water circulation pump；4th, normally open valve；
5th, normally close valve；6th, cooler；7th, self-circulating water return main；8th, expansion drum；9th, condenser；10th, thermal material inlet pipe；11st, cold thing
Expect outlet pipe；12nd, liquid-level indicating controller；13rd, thermoindicating controller；14th, the first water inlet pipe；15th, the first outlet pipe；16th,
Two outlet pipes；17th, the 3rd water inlet pipe；18th, the 3rd outlet pipe.
Embodiment
Embodiment 1
As shown in figure 1, a kind of automatic control system of condenser inflow temperature, including condenser 9, expansion drum 8, cooler
6 and Warm water circulation pump 3.Cooler 6 includes the second water inlet pipe and the second outlet pipe 16, the downside of cooler 6 are connected with self-loopa
Water water main 1, upside are connected with self-circulating water return main 7；Expansion drum 8 includes the 3rd water inlet pipe 17, the top of expansion drum 8
Provided with the 3rd outlet pipe 18；Condenser 9 includes the first water inlet pipe 14 and the first outlet pipe 15, and condenser 9 is additionally provided with thermal material and entered
Pipe 10 and cold material outlet pipe 11, the outlet pipe 15 of thermal material inlet pipe 10 and first are located at the upside of condenser 9, cold material outlet pipe 11 with
First water inlet pipe 14 is located at the downside of condenser 9.
The water inlet end of Warm water circulation pump 3 is connected with self-circulating water water main 1 and from low-pressure steam house steward 2, Warm water circulation
The water side of pump 3 is connected with normally open valve 4 and normally close valve 5 side by side, and the water side of normally close valve 5 is connected with the second water inlet pipe, and second goes out
Water pipe 16 is connected after converging with the water side of normally open valve 4 with the first water inlet pipe 14, the first outlet pipe 15 and the phase of the 3rd water inlet pipe 17
Even, self-circulating water water main 1 and it is connected simultaneously with the 3rd water inlet pipe 17 from low-pressure steam house steward 2, is consequently formed a circulation
Path.
First water inlet pipe 14 is provided with thermoindicating controller 13, for monitoring the water temperature in the first water inlet pipe 14, and controls
The folding of normally open valve 4 and normally close valve 5.
Expansion drum 8 is provided with liquid-level indicating controller 12, for the liquid level in expansion drum 8 to be monitored and controlled.
The height of expansion drum 8 is higher than the height of condenser 9, and the expansion drum 8 of height design can ensure in whole system
Liquid level be in normal level, while prevent Warm water circulation pump 3 from evacuating.
A kind of autocontrol method of condenser inflow temperature, comprises the following steps：
S1：Water is injected into expansion drum 8 by self-circulating water water main 1 and from low-pressure steam house steward 2, is indicated in liquid level
By Liquid level in tank 52% in the presence of controller 12；
S2：Warm water circulation pump 3 is opened, self-circulating water water main 1 and the water provided from the end of low-pressure steam house steward 2 are heated
To required temperature, enter condenser 9 then in turn through the water inlet pipe 14 of normally open valve 5 and first；
S3：When thermoindicating controller 13 monitors that water temperature rises to over 70 DEG C of design temperature, the part of normally open valve 4
Valve is closed, and normally close valve 5 is opened, and now some water cools down by normally close valve 5 into cooler 6, is then flowed with normally open valve 4
The aqueous phase gone out, which is converged, reaches required temperature, then enters condenser 9 by the first water inlet pipe 14；
S4：Into condenser 9 water material is cooled down after flow out from the first outlet pipe 15, and through the 3rd water inlet pipe 18
Flow into expansion drum 8.
The automatic control system and method for a kind of condenser inflow temperature that the present embodiment provides, system good leak tightness can
Automatically controlling for inflow temperature is realized, steam usage amount is few, saves the energy, reduces labor strength.
Embodiment 2
As shown in figure 1, a kind of automatic control system of condenser inflow temperature, including condenser 9, expansion drum 8, cooler
6 and Warm water circulation pump 3.Cooler 6 includes the second water inlet pipe and the second outlet pipe 16, the downside of cooler 6 are connected with self-loopa
Water water main 1, upside are connected with self-circulating water return main 7；Expansion drum 8 includes the 3rd water inlet pipe 17, the top of expansion drum 8
Provided with the 3rd outlet pipe 18；Condenser 9 includes the first water inlet pipe 14 and the first outlet pipe 15, and condenser 9 is additionally provided with thermal material and entered
Pipe 10 and cold material outlet pipe 11, the outlet pipe 15 of thermal material inlet pipe 10 and first are located at the upside of condenser 9, cold material outlet pipe 11 with
First water inlet pipe 14 is located at the downside of condenser 9.
The water inlet end of Warm water circulation pump 3 is connected with self-circulating water water main 1 and from low-pressure steam house steward 2, Warm water circulation
The water side of pump 3 is connected with normally open valve 4 and normally close valve 5 side by side, and the water side of normally close valve 5 is connected with the second water inlet pipe, and second goes out
Water pipe 16 is connected after converging with the water side of normally open valve 4 with the first water inlet pipe 14, the first outlet pipe 15 and the phase of the 3rd water inlet pipe 17
Even, self-circulating water water main 1 and it is connected simultaneously with the 3rd water inlet pipe 17 from low-pressure steam house steward 2, is consequently formed a circulation
Path.
First water inlet pipe 14 is provided with thermoindicating controller 13, for monitoring the water temperature in the first water inlet pipe, and controls normal
The folding of valve opening and normally close valve.
Expansion drum 8 is provided with liquid-level indicating controller 12, for the liquid level being monitored and controlled in expansion drum.
The height of expansion drum 8 is higher than the height of condenser 9, and the expansion drum of height design can ensure in whole system
Liquid level is in normal level, while prevents Warm water circulation pump depletion.
A kind of autocontrol method of condenser inflow temperature, comprises the following steps：
S1：Water is injected into expansion drum 8 by self-circulating water water main 1 and from low-pressure steam house steward 2, is indicated in liquid level
By Liquid level in tank 48% in the presence of controller 12；
S2：Warm water circulation pump 3 is opened, self-circulating water water main 1 and the water provided from the end of low-pressure steam house steward 2 are heated
To required temperature, enter condenser 9 then in turn through the water inlet pipe 14 of normally open valve 5 and first；
S3：When thermoindicating controller 13 monitors that water temperature rises to over 40 DEG C of design temperature, the part of normally open valve 4
Valve is closed, and normally close valve 5 is opened, and now some water cools down by normally close valve 5 into cooler 6, is then flowed with normally open valve 4
The aqueous phase gone out, which is converged, reaches required temperature, then enters condenser 9 by the first water inlet pipe 14；
S4：Into condenser 9 water material is cooled down after flow out from the first outlet pipe 15, and through the 3rd water inlet pipe 18
Flow into expansion drum 8.
The automatic control system and method for a kind of condenser inflow temperature that the present embodiment provides, system good leak tightness can
Automatically controlling for inflow temperature is realized, steam usage amount is few, saves the energy, reduces labor strength.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
- A kind of 1. automatic control system of condenser inflow temperature, it is characterised in that including condenser, expansion drum, cooler and Warm water circulation pump, the condenser include the first water inlet pipe and the first outlet pipe, and the cooler includes the second water inlet pipe and the Two outlet pipes, the expansion drum include the 3rd water inlet pipe；The water side of the Warm water circulation pump is connected with normally open valve and normally close valve side by side, the water side of the normally close valve and described the Two water inlet pipes are connected, and second outlet pipe is connected after converging with the water side of the normally open valve with first water inlet pipe, institute State the first outlet pipe with the 3rd water inlet pipe to be connected, first water inlet pipe is provided with thermoindicating controller.
- A kind of 2. automatic control system of condenser inflow temperature according to claim 1, it is characterised in that the cooling Self-circulating water water main is connected with the downside of device, upside is connected with self-circulating water return main.
- A kind of 3. automatic control system of condenser inflow temperature according to claim 1, it is characterised in that the expansion The top of tank is provided with the 3rd outlet pipe, and the expansion drum is provided with liquid-level indicating controller.
- A kind of 4. automatic control system of condenser inflow temperature according to claim 1, it is characterised in that the condensation Device is additionally provided with thermal material inlet pipe and cold material outlet pipe, and the thermal material inlet pipe and first outlet pipe are located at the condenser Upside, the cold material outlet pipe are located at the downside of the condenser with first water inlet pipe.
- A kind of 5. automatic control system of condenser inflow temperature according to claim 1, it is characterised in that the expansion The height of tank is higher than the height of the condenser.
- A kind of 6. automatic control system of condenser inflow temperature according to claim 1, it is characterised in that the warm water The water inlet end of circulating pump is connected with self-circulating water water main and from low-pressure steam house steward.
- 7. the automatic control system of a kind of condenser inflow temperature according to claim 6, it is characterised in that described to follow certainly Ring water water main and described it is connected simultaneously with the 3rd water inlet pipe from low-pressure steam house steward.
- 8. the autocontrol method of a kind of condenser inflow temperature based on claim 1, it is characterised in that including step：S1：Water is injected into expansion drum by self-circulating water water main and from low-pressure steam house steward, in liquid-level indicating controller In the presence of by Liquid level in tank in 48-52%；S2：Warm water circulation pump is opened, self-circulating water water main and the water provided from the total pipe end of low-pressure steam are heated to required Temperature, enter condenser then in turn through normally open valve and the first water inlet pipe；S3：When thermoindicating controller monitors that water temperature rises to over design temperature, the part valve of normally open valve is closed, often Valve closing is opened, and now some water cools down by normally close valve into cooler, is then converged with the aqueous phase of normally open valve outflow and is reached Enter condenser to required temperature, then by the first water inlet pipe；S4：Into condenser water material is cooled down after from the first outlet pipe flow out, and through the 3rd water inlet pipe flow into expand Tank.
- 9. the autocontrol method of a kind of condenser inflow temperature according to claim 8, it is characterised in that in the S3 The design temperature of thermoindicating controller is 40-70 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621936.XA CN107449289B (en) | 2017-07-27 | 2017-07-27 | A kind of automatic control system and method for condenser inflow temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621936.XA CN107449289B (en) | 2017-07-27 | 2017-07-27 | A kind of automatic control system and method for condenser inflow temperature |
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| CN107449289A true CN107449289A (en) | 2017-12-08 |
| CN107449289B CN107449289B (en) | 2019-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776139A (en) * | 2020-06-09 | 2021-12-10 | 青岛海尔空调电子有限公司 | Air conditioning unit with spray cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016087920A2 (en) * | 2014-12-01 | 2016-06-09 | Ormat Technologies Inc. | Cooling water supply system and method |
| WO2017018082A1 (en) * | 2015-07-27 | 2017-02-02 | 日立Ｇｅニュークリア・エナジー株式会社 | Condenser, cooling system, and operation method |
| CN205980416U (en) * | 2016-08-16 | 2017-02-22 | 维克（天津）有限公司 | Annual refrigeration water route |
| CN206037502U (en) * | 2016-08-29 | 2017-03-22 | 江苏力维检测科技有限公司 | Temperature automatic regulating system of cooling water |
-
2017
- 2017-07-27 CN CN201710621936.XA patent/CN107449289B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016087920A2 (en) * | 2014-12-01 | 2016-06-09 | Ormat Technologies Inc. | Cooling water supply system and method |
| WO2017018082A1 (en) * | 2015-07-27 | 2017-02-02 | 日立Ｇｅニュークリア・エナジー株式会社 | Condenser, cooling system, and operation method |
| CN205980416U (en) * | 2016-08-16 | 2017-02-22 | 维克（天津）有限公司 | Annual refrigeration water route |
| CN206037502U (en) * | 2016-08-29 | 2017-03-22 | 江苏力维检测科技有限公司 | Temperature automatic regulating system of cooling water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776139A (en) * | 2020-06-09 | 2021-12-10 | 青岛海尔空调电子有限公司 | Air conditioning unit with spray cooling system |
| CN113776139B (en) * | 2020-06-09 | 2023-02-28 | 青岛海尔空调电子有限公司 | Air conditioning unit with spray cooling system |
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| Publication number | Publication date |
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| CN107449289B (en) | 2019-10-25 |
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