CN104133449B - The full-automatic control system of steam cooling tank - Google Patents
The full-automatic control system of steam cooling tank Download PDFInfo
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- CN104133449B CN104133449B CN201410371457.3A CN201410371457A CN104133449B CN 104133449 B CN104133449 B CN 104133449B CN 201410371457 A CN201410371457 A CN 201410371457A CN 104133449 B CN104133449 B CN 104133449B
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- steam
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- control system
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Abstract
A kind of full-automatic control system of steam cooling tank, cooling layer it is provided with in cooling tank tank body, by arranging temperature sensor collecting temperature parameter at the venthole of cooling tank, after parameter is sent to PLC process, automatically control the temperature lowering water control valve opening connecting cooling layer；It is provided with steam control valve in the steam inlet of cooling tank, steam (vapor) outlet is provided with effusion meter, and effusion meter collects after cooling tank processes after quantity of steam parameter, sends PLC process to, and automatically control the aperture of steam control valve by the data processed, thus control throttle flow and quantity of steam.The present invention can extensively adapt to all types of industries steam thermal energy demand, and carries out efficient and rational control.
Description
Technical field
The present invention relates to a kind of automaton, particularly relate to temperature and the stream of a kind of energy Automatic Control output steam
The full-automatic control system of the steam cooling tank of amount.
Background technology
Along with Chinese national economy quickly increases, especially weaving, silk, printing and dyeing, medication chemistry, papermaking, sugaring, leather
Etc. the fast development of industry, the demand of steam heating is the most persistently risen by enterprise；And steam supply is required variation.Traditional
Pressure and temperature reducing valve is not suitable for a large amount of heat demand.
Traditional cooling tank by container type tank body, tank base, tank body outer the most top-down spiral water pipe, open on tank body
If shower water entrance, steam inlet, steam (vapor) outlet, condensed fluid outlet composition.Desuperheating water (deaerated water) passes through through coil pipe
Nozzle sprays into tank interior, after steam mixes with desuperheating water from top to bottom, after reaching the parameter that technique produces, in tank
Portion's central canal is discharged.Monitor mode is by manual observation vapor (steam) temperature situation, opens depending on vapor (steam) temperature situation of change or closes
Temperature lowering water valve carries out temperature control.
Open source literature reports some steam raising plants, takes passages as follows:
The steam generating tank Application Number (patent) of Chinese patent a kind of pressure-adjustable steam engine: CN201120546251.1
The applying date: 2011.12.23 Authorization Notice No.: CN202470017U authorized announcement date: 2012.10.03 applies for right
People: Jiangsu Rongxin Science & Technology Development Co., Ltd. invention designer: Shang Jia;Kingly way is grand;Clock Guoqiang makes a summary: steam generating equipment
Technical field, the steam generating tank of a kind of pressure-adjustable steam engine.The steam generating tank bag of this pressure-adjustable steam engine
Including vapor can and control tank, described control tank is connected with vapor can, and described vapor can includes steam tank body, the first joint and the
Two joints, described first joint is connected with steam tank body by square tube, and described second joint is connected with steam tank body, described
Steam tank body is provided with three way cock and pipe；Described control tank includes controlling tank body, the 3rd joint, the 4th joint, the 5th joint
And threeway, described 4th joint be located at control tank body one end, described 3rd joint be located at control tank wall on, described threeway and
5th joint is connected with controlling tank body by connecting tube, and described control tank is provided with the first through hole and the second through hole, and described the
One through hole is connected with described pipe, and described second through hole is connected with three way cock.
Chinese patent one pressure-adjustable steam engine Application Number (patent): the CN201120546251.1 applying date:
2011.12.23 Authorization Notice No.: CN202470017U authorized announcement date: 2012.10.03 holder of the application: Zhejiang is melted
Letter development in science and technology company limited invention designer: Shang Jia;Kingly way is grand;Clock Guoqiang makes a summary: a kind of pressure-adjustable steam engine.This can
Pressure regulation steam engine includes that body, shell, steam generating tank, heater, heat exchanger, blower fan and control chamber, described body are externally provided with
Shell, described steam generating tank includes vapor can and controls tank, and being located on body, and described vapor can is by pipeline and control tank
Being connected, described connection vapor can and the pipeline controlled between tank are provided with pressure inductor, and electrically connect with control chamber, described
Heater includes that fire row assembly and fire row seat board, described fire row assembly are located at vapor can inside and bottom, and is electrically connected with control chamber
Connecing, fixed by fire row seat board, described air exhaust box is connected with described blower fan, and described heat exchanger is connected with vapor can by pipeline
Connecing, described vapor can is provided with steam (vapor) outlet.This utility model provides a kind of simple in construction, easy-operating pressure-adjustable steam engine.
Chinese patent one adjustable steam generator over-pressure safety device Application Number (patent):
The CN201310484658.X applying date: 2013.10.17 application publication number: the CN103542397A open day for announcing:
2014.01.29 holder of the application: Zhengzhou Shueren Technology Development Co., Ltd. invention designer: Sun Guofu;Sun Mingzhou;Zhao
Raise;Li Chengwei;Cai Zhuanhong;Li Yingxuan;Pottery is propped up summary: one adjustable steam generator over-pressure safety device its be existing
Mainly by blowdown piping (1), steam output pipe (2), pressure transducer (3), temperature sensor (4), steam tank body (5), heating
On the steam generator device architecture basics that device (7) is constituted, side branch is set in described steam tank body (5) side and gos deep into liquid sealing pipe
(9) near bottom under interior liquid level, the liquidometer (10) that liquid sealing pipe (9) side is arranged is provided with rule (11).The present invention's
Providing the benefit that, controlling steam exit pressure by liquid level, liquid pressure can accurately convert with liquid-column height, can be quickly accurate
True setting goes out steam exit pressure, and when steam releases simultaneously, steam cooling liquefaction or absorption can effectively be avoided by liquid
High-temperature steam is discharged into the safety problem that lab space is caused.
Above-mentioned document is visible, uses this cooling tank device and monitor mode to there is problem:
1, after steam enters this device, desuperheating water is sprayed into by nozzle, and steam and desuperheating water can not reach full and uniform
Mixing, temperature lowering effect is the best, and substantial amounts of shower water is discharged from condensed fluid outlet, not only wastes desuperheating water (deaerated water), and fall
Temperature tank outlet temperature fluctuation is big, affects subsequent technique and produces.
2, manual observation steam exit temperature, the workload controlling valve is bigger.
3, manually adjusting desuperheating water valve opening, accuracy is inadequate, is difficult to accurately control.When vapor (steam) temperature can not reach work
Skill uses when requiring, then technique produces and there is potential safety hazard.
Summary of the invention
The invention aims to extensively adapt to all types of industries steam thermal energy demand efficient and rational control and release
A kind of full-automatic control system.This system can reduce labor intensity, improves working performance, reasonably utilizes heat energy, and omnidistance real
Existing Automated condtrol.
The technical scheme is that
The full-automatic control system of a kind of steam cooling tank, is provided with several cooling layers in described cooling tank tank body, described
Cooling layer counts ground floor, the second layer, third layer and n-th layer from air intake respectively, uses circulating line respectively for first, second and third layer
Being connected with being uniformly distributed spray water inlet, endless tube is connected with water inlet pipe, and regulation valve is arranged on water inlet pipe, and n-th layer is independent control
Preparative layer, each spray water inlet is directly connected with water inlet pipe, every pipeline is respectively mounted regulation valve；Cooling tank steam outlet pipe
Effusion meter is installed on road, cooling tank steam inlet duct is installed regulation valve；
Described full-automatic control system includes master control system, cooling control system, steam flow control system, spray
System, draining system and warning system, LED display touch screen is connected with said system by fieldbus or wireless network, and
It is connected to be arranged on the central computer of control room, shows at central computer or LED and on touch screen, set processing parameter,
And each control system is monitored；
Wherein full-automatic control system is the PLC by master control system, controls cooling water regulating valve to cooling
Layer carries out lowering the temperature, controls steam control valve to the steam flow of the steam inlet of cooling tank, control mouth spray and regulate valve to cooling
Tank carries out spraying cooling, controls drain valve to carrying out hydrophobic bottom cooling tank and alerting unit exception.
Preferably, cooling control system includes lower the temperature layer, temperature sensor and cooling water regulating valve, in cooling tank tank body
Being provided with cooling layer, by arranging temperature sensor collecting temperature parameter at the venthole of cooling tank, parameter is sent to main control system
After system PLC processes, automatically control the temperature lowering water control valve opening size of cooling layer.
Preferably, steam flow control system includes effusion meter and steam control valve, is provided with in the steam inlet of cooling tank
Steam control valve, steam (vapor) outlet is provided with effusion meter, and effusion meter collects after cooling tank processes after quantity of steam parameter, sends master control to
System PLC process processed, automatically controls the aperture size of steam control valve, thus controls throttle flow and quantity of steam.
Preferably, spray system includes mouth spray, water inlet pipe and mouth spray regulation valve, when cooling tank reaches design temperature,
Temperature data is transferred to master control system PLC and processes by temperature sensor, described PLC send control signal
Control mouth spray control valve opening, cooling tank is carried out cooling process.
Preferably, draining system includes air inlet, drain port, liquid level sensor and drain valve, at the bottom of cooling tank central canal
Portion arranges air inlet, drain port and liquid level sensor, and air inlet draws central canal the steam after cooling, then is sufficiently mixed；Work as liquid
After level sensor senses that water accumulating volume reaches setting value, liquid level sensor transmits a signal at master control system PLC
Reason, is sent in control signal controls drain valve discharge cooling tank by described PLC and condenses hydrops.
Preferably, warning system includes equipment fault alarm, system and abnormality alarming, temperature over-range alarm and power supply event
Barrier alarm, warning system connects buzzer can sound alarm.
Preferably, cooling tank is provided with cooling layer, designs inspection socket outside tank body, is used for observing and overhauling.
The invention has the beneficial effects as follows:
1, the full-automatic control system of the steam cooling tank of the present invention have highly reliable, automaticity is high, use behaviour
Make simplicity, rich display information intuitively, cost performance advantages of higher；
2, the full-automatic control system of the steam cooling tank of the present invention by master control system to cooling control system, steam stream
Amount control system, spray system, draining system and warning system Based Intelligent Control, it is possible to regulation temperature, steam into and out of vapour amount,
And there is warning function, reduce labor intensity, improve working performance；
3, the full-automatic control system of the steam cooling tank of the present invention is provided with drain port, it is possible to draining at the bottom of cooling tank of intelligence
Portion's hydrops；
4, the full-automatic control system of the steam cooling tank of the present invention is externally provided with inspection socket at steam cooling tank, it is simple to
Manually overhaul when observing and break down；
5, the full-automatic control system of the steam cooling tank of the present invention provides one and automatically can drop according to Production requirement
Low vapor (steam) temperature, to production technology demand temperature, is automatically adjusted the throttle flow of steam according to the quantity of steam of production technology demand, whole
Individual system is unpowered equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the full-automatic control system of steam cooling tank of the present invention；
Fig. 2 is the structural representation of the steam cooling tank of the full-automatic control system of steam cooling tank of the present invention；
Wherein: cooling tank tank body 1, mouth spray 2, inspection socket 3, water regulating valve 4 of lowering the temperature, upper colored orifice plate 5, temperature lowering water coil pipe 6,
Pressure transducer 7, floss hole 8, drain valve 9, steam control valve 10, temperature sensor 11, effusion meter 12, central canal 13, center
Pipe air inlet 14, air intake 15, venthole 16.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As in figure 2 it is shown, the structure of the present invention includes cooling tank tank body 1, air intake 15, mouth spray 2, central canal 13, goes out vapour
Mouth 16, it is characterised in that: in cooling tank, the trend according to steam separately designs first, second, third and fourth cooling layer, often
Layer flower orifice plate 5 is spaced, and every layer is respectively provided with mouth spray 2, inspection socket 3, first, second, third cooling layer mouth spray 2 respectively at
For temperature lowering water coil pipe 6 connect, coil pipe with cooling water regulating valve 4 be connected, the 4th cooling layer each mouth spray 2 separate connection one
Individual cooling water regulating valve 4；Steam control valve 10 is set at cooling tank air intake 15, regulates according to the effusion meter 12 of venthole 16
The steam control valve 10 of air intake 15；Temperature sensor 11 is set at cooling tank venthole 16；In cooling tank center, weldering is put
Central canal 13, opens central canal admission opening 14 in central canal 13 bottom, opens floss hole 8 bottom central canal 13；Bottom cooling tank
Drain valve 9 is set；In cooling tank bottom, pressure transducer 7 is set；All of sensor, regulation valve are connected with PLC.
Full-automatic control system include master control system, cooling control system, steam flow control system, spray system,
Draining system and warning system, LED display touch screen is connected with said system by fieldbus or wireless network, and is connected to
It is arranged on the central computer of control room, shows at central computer or LED and on touch screen, set processing parameter, and to respectively
Individual control system is monitored；
Wherein full-automatic control system is the PLC by master control system, controls cooling water regulating valve to cooling
Layer carries out lowering the temperature, controls steam control valve to the steam flow of the steam inlet of cooling tank, control mouth spray and regulate valve to cooling
Tank carries out spraying cooling, controls drain valve to carrying out hydrophobic bottom cooling tank and alerting unit exception.
Cooling control system includes lower the temperature layer, temperature sensor and cooling water regulating valve, is provided with fall in cooling tank tank body
Temperature layer, by arranging temperature sensor collecting temperature parameter at the venthole of cooling tank, parameter is sent to master control system PLC control
After device processed processes, automatically control the temperature lowering water control valve opening size of cooling layer.
Steam flow control system includes effusion meter and steam control valve, is provided with steam regulation in the steam inlet of cooling tank
Valve, steam (vapor) outlet is provided with effusion meter, and effusion meter collects after cooling tank processes after quantity of steam parameter, sends master control system to
PLC process, automatically controls the aperture size of steam control valve, thus controls throttle flow and quantity of steam.
Spray system includes mouth spray, water inlet pipe and mouth spray regulation valve, when cooling tank reaches design temperature, temperature sensing
Temperature data is transferred to master control system PLC and processes by device, described PLC send control signal and control spray
Mouth control valve opening, carries out cooling process to cooling tank.
Draining system includes air inlet, drain port, liquid level sensor and drain valve, arrange bottom cooling tank central canal into
Pore, drain port and liquid level sensor, air inlet draws central canal the steam after cooling, then is sufficiently mixed；Work as liquid level sensor
After sensing that water accumulating volume reaches setting value, liquid level sensor transmits a signal to master control system PLC and processes, by described
PLC sends control signal and controls condensation hydrops in drain valve discharge cooling tank.
Warning system includes equipment fault alarm, system and abnormality alarming, temperature over-range alarm and power failure alarm,
Warning system connects buzzer can sound alarm.Equipment fault alerts, it determines condition is: equipment operation failure；System and different
Often alarm, it determines condition is: System self-test finds mistake, has electronic component failure；Temperature over-range alerts, it determines condition is: be
Unified test amount is to mean temperature in cooling tank > allow maximum temperature in cooling tank；Power failure alerts, it determines condition is: by prison
Survey power supply output and on and off switch trips.
The main operational principle of the present invention is: after temperature sensor 11 collects the vapor (steam) temperature parameter of venthole 16, passes
Give PLC to process, and automatically control each cooling water regulating valve 4 by the data processed；Effusion meter 12 collects
After cooling tank process after quantity of steam parameter, send PLC process to, and automatically control steam control valve 10 by the data processed
Aperture, thus control throttle flow and quantity of steam；Colored orifice plate 5 is set between layer often lowering the temperature, makes every layer of steam be in homogenizing shape
State；Mouth spray 2 uses swirl jet, and the atomizing effect of temperature lowering water can be allowed better, evenly；Liquid level sensor is according to cooling tank
The amount of bottom hydrops, transmits a signal to PLC, PLC control drain valve 9 and carry out hydrophobic；Cooling tank center sets
Put central canal 13 and play homogenizing effect.
Claims (7)
1. the full-automatic control system of a steam cooling tank, it is characterised in that be provided with several falls in described cooling tank tank body
Temperature layer, described cooling layer counts ground floor, the second layer, third layer from air intake respectively ... to n-th layer, first, second and third layer of difference
Being connected with equally distributed spray water inlet with circulating line, circulating line is connected with water inlet pipe, and regulation valve is arranged on water inlet pipe
On, n-th layer is independent key-course, and each spray water inlet is directly connected with water inlet pipe, and every water inlet pipe is respectively mounted regulation
Valve；Effusion meter is installed on cooling tank steam (vapor) outlet pipeline, cooling tank steam inlet duct is installed regulation valve；
Described full-automatic control system includes master control system, cooling control system, steam flow control system, spray system
System, draining system and warning system, LED display touch screen is connected with said system by fieldbus or wireless network, and even
Receive the central computer being arranged on control room, show at central computer or LED and on touch screen, set processing parameter,
And each control system is monitored；
Wherein full-automatic control system is the PLC controller by master control system, controls cooling water regulating valve and enters cooling layer
Row cooling, the switching value of control steam control valve adjust the steam flow of cooling tank steam inlet, control mouth spray regulation valve pair
Cooling tank carries out spraying cooling, controls drain valve to carrying out hydrophobic bottom cooling tank and alerting unit exception.
2. according to the full-automatic control system of the steam cooling tank described in claim 1, it is characterised in that described cooling control
System processed includes lower the temperature layer, temperature sensor and cooling water regulating valve, is provided with cooling layer in cooling tank tank body, by cooling
The venthole of tank arranges temperature sensor collecting temperature parameter, after parameter is sent to the process of master control system PLC controller, from
The aperture size of the dynamic cooling water regulating valve controlling cooling layer.
3. according to the full-automatic control system of the steam cooling tank described in claim 1, it is characterised in that described steam stream
Amount control system includes effusion meter and steam control valve, is provided with steam control valve in the steam inlet of cooling tank, and steam (vapor) outlet sets
There are effusion meter, effusion meter to collect after cooling tank processes after quantity of steam parameter, send master control system PLC to and process,
Automatically control the aperture size of steam control valve, thus control throttle flow and quantity of steam.
4. according to the full-automatic control system of the steam cooling tank described in claim 1, it is characterised in that: described spray
System includes spraying water inlet, water inlet pipe and mouth spray regulation valve, when cooling tank reaches design temperature, and temperature sensor is by temperature
Data are transferred to master control system PLC and process, described PLC send control signal and control spray water inlet tune
Joint valve opening, carries out cooling process to cooling tank.
5. according to the full-automatic control system of the steam cooling tank described in claim 1, it is characterised in that: described is hydrophobic
System includes air inlet, drain port, liquid level sensor and drain valve, arranges air inlet, drain port bottom cooling tank central canal
And liquid level sensor, air inlet introduces central canal the steam after cooling, then is sufficiently mixed；When liquid level sensor senses long-pending
After the water yield reaches setting value, liquid level sensor transmits a signal to master control system PLC and processes, described PLC control
Device sends control signal and controls condensation hydrops in drain valve discharge cooling tank.
6. according to the full-automatic control system of the steam cooling tank described in claim 1, it is characterised in that: described warning system
System includes equipment fault alarm, system and abnormality alarming, temperature over-range alarm and power failure alarm, and warning system connects honeybee
Ring device can sound alarm.
7., according to the full-automatic control system of the steam cooling tank described in claim 1, it is further characterized in that: cooling tank is provided with
Cooling layer, designs inspection socket, is used for observing and overhauling outside tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371457.3A CN104133449B (en) | 2014-07-31 | The full-automatic control system of steam cooling tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371457.3A CN104133449B (en) | 2014-07-31 | The full-automatic control system of steam cooling tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104133449A CN104133449A (en) | 2014-11-05 |
| CN104133449B true CN104133449B (en) | 2017-01-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202470017U (en) * | 2011-12-23 | 2012-10-03 | 浙江融信科技发展有限公司 | Pressure-adjustable steam engine |
| CN202470020U (en) * | 2011-12-23 | 2012-10-03 | 浙江融信科技发展有限公司 | Steam generation tank of pressure-adjustable steam engine |
| CN103542397A (en) * | 2013-10-17 | 2014-01-29 | 郑州树仁科技发展有限公司 | Adjustable vapor generator overvoltage protecting device |
| CN103557719A (en) * | 2013-10-18 | 2014-02-05 | 江西稀有稀土金属钨业集团有限公司 | High-temperature air atomization and shock cooling system and method |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202470017U (en) * | 2011-12-23 | 2012-10-03 | 浙江融信科技发展有限公司 | Pressure-adjustable steam engine |
| CN202470020U (en) * | 2011-12-23 | 2012-10-03 | 浙江融信科技发展有限公司 | Steam generation tank of pressure-adjustable steam engine |
| CN103542397A (en) * | 2013-10-17 | 2014-01-29 | 郑州树仁科技发展有限公司 | Adjustable vapor generator overvoltage protecting device |
| CN103557719A (en) * | 2013-10-18 | 2014-02-05 | 江西稀有稀土金属钨业集团有限公司 | High-temperature air atomization and shock cooling system and method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Deng Jiafu Inventor after: Yao Qunyong Inventor after: Chen Jun Inventor after: Zhu Demao Inventor before: Deng Jiafu Inventor before: Yao Qunyong Inventor before: Chen Jun Inventor before: Zhu Demao |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20170731 |