CN104415636A - Automatic spray system of humidifying tower - Google Patents
Automatic spray system of humidifying tower Download PDFInfo
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- CN104415636A CN104415636A CN201310368245.5A CN201310368245A CN104415636A CN 104415636 A CN104415636 A CN 104415636A CN 201310368245 A CN201310368245 A CN 201310368245A CN 104415636 A CN104415636 A CN 104415636A
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Abstract
The invention discloses an automatic spray system of a humidifying tower, belongs to the technical field of cement production machines, and aims at solving the problem of low dust collector dust collection efficiency caused by high exhaust gas discharge capacity and high temperature of rotary kilns. The automatic spray system comprises the humidifying tower, a water tank and a control cabinet, the upper portion of the humidifying tower is provided with a gas inlet, the bottom of the humidifying tower is provided with a gas outlet, the air inlet and the gas outlet of the humidifying tower are provided with temperature sensors respectively, and the temperature sensors are electrically connected with the control cabinet; a nozzle is arranged in the humidifying tower and is positioned below the gas inlet; the nozzle is connected with an automatic water supply system through a solenoid valve, the automatic water supply system is electrically connected with the control cabinet, and the automatic water supply system is connected with the water tank through a water supply tube; a water level gauge is arranged in the water tank, and the water level gauge is electrically connected with the control cabinet; and the top of the water tank is provided with a water return pipeline, and the water return pipeline is connected with the solenoid valve through a regulating valve. The automatic spray system automatically sprays water into high temperature flue gas in the humidifying tower through temperature detection in order to avoid the wet bottom phenomenon of the humidifying tower and improve the dust collection efficiency of the above dust collector.
Description
Technical field
The present invention relates to a kind of automatic control system, particularly a kind of automatic sprinkler fire-extinguishing system of conditioning Tower, belong to cement manufacturing machine technical field.
Background technology
During current cement dry method rotary kiln is produced, the discharge amount of exhaust gas of kiln tail is higher.The most effectual way of administering the kiln tail gas containing the dust that exceeds standard makes flue gas be gathered dust process by cottrell or bag filter exactly.Before entering dust-precipitator, generally need to carry out cooling pretreatment to flue gas, main cause be one-level cylinder exit gas temperature generally at 360 ± 30 DEG C, higher than filter bag allowable temperature, filter bag can be made to burn and premature aging; And use cottrell, due to drying and the high temperature of flue gas, dust specific resistance is higher, and flue gas dust in by high voltage electric field process is not easy ionization, thus affects dust collection effect.Before dust-precipitator, use conditioning Tower to carry out humidifying cooling process to high-temperature flue gas is way the most general at present.For different dust-precipitators, need the conditioning Tower outlet target temperature controlled to distinguish to some extent, use cottrell, outlet temperature of humidifying tower general control is at 150 ± 10 DEG C; As used bag collector, then outlet temperature of humidifying tower controls at 180 ± 10 DEG C.For the needs of satisfied different dust-precipitator, just need the conditioning Tower control system providing a kind of temperature adjustable.
Summary of the invention
The object of this invention is to provide a kind of automatic sprinkler fire-extinguishing system of conditioning Tower, by temperature detection to high-temperature flue gas automatic spray watering in conditioning Tower, effectively reduce kiln tail gas discharge capacity to reach, avoid conditioning Tower to wet at the end simultaneously, improve dust-precipitator dust-collecting efficiency.
The object of the present invention is achieved like this: a kind of automatic sprinkler fire-extinguishing system of conditioning Tower, comprise conditioning Tower, water tank and switch board, the top of described conditioning Tower is provided with air inlet, bottom is provided with gas outlet, air inlet and the gas outlet of described conditioning Tower are respectively arranged with temperature sensor, and described temperature sensor is electrically connected with switch board; Be positioned at below air inlet and be also provided with shower nozzle in described conditioning Tower; Described shower nozzle is connected with automatic water supply system by magnetic valve, and automatic water supply system is electrically connected with described switch board, and described automatic water supply system is connected with described water tank by feed pipe; Be provided with water-level gauge in described water tank, water-level gauge is electrically connected with switch board; The top of described water tank is also connected with water return pipeline, and described water return pipeline is connected with described magnetic valve by control valve.
When the present invention works, the temperature signal that switch board transmits according to the temperature sensor of conditioning Tower air inlet and gas outlet, detects and judges in conditioning Tower the need of starting automatic water supply system; When air inlet temperature is higher than a certain value, switch board controls automatic water supply system and supplies water to conditioning Tower, by shower nozzle to flue gas cool-down; When air outlet temperature being detected lower than a certain value, system stops supplying water automatically, and is back to water tank by water return pipeline by remaining in water pipe; When high water tank meter detected low water level, switch board also can send a digital output modul signal to automatic water supply system, stopped supplying water.Compared with prior art, the invention has the beneficial effects as follows: the automatic spray achieving conditioning Tower controls, make temperature in tower control in the scope needed; Be provided with water return pipeline, avoid the water be detained in pipeline to cause conditioning Tower to wet at the end, improve the dust-collecting efficiency of dust-precipitator.
As preferred version of the present invention, described automatic water supply system includes stop valve one, overflow prevention valve, centrifugal pump and the stop valve two be linked in sequence, stop valve one is connected with described magnetic valve by water supply line, stop valve two is connected with described water tank, and the pipeline between described overflow prevention valve and centrifugal pump is also connected with Pressure gauge by stop valve three; Described centrifugal pump is electrically connected with the frequency converter be arranged in described switch board.Pressure in supply channel can be detected whether in the pressure limit of shower nozzle atomization by Pressure gauge, pressure is larger, and atomizing effect is better; Centrifugal pump motor along with the change of outlet temperature of humidifying tower, under the control of frequency converter speed change work, thus change pipeline pressure and also have adjusted injection flow rate.In addition, when conditioning Tower inlet temperature is too low or pipeline pressure is too low, this system can stop centrifugal pump work automatically, avoids phenomenon of the wet end to occur.
As a further improvement on the present invention, the pipeline between described centrifugal pump and stop valve two is also provided with filter.The setting of filter can effectively stop the impurity in water tank to enter shower nozzle, causes the problem that shower nozzle blocks.
As a further improvement on the present invention, described automatic water supply system is provided with two-way, and two-way automatic water supply system is connected in parallel.Two-way automatic water supply system can work simultaneously, also can work independently, and when wherein break down in a road, does not impact another road, avoids automatic water supply system to break down and causes reducing enterprises production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1 conditioning Tower; 2 water tanks; 3 switch boards; 4 frequency converters; 5 shower nozzles; 6 magnetic valves; 7 automatic water supply systems; 7a stop valve one; 7b overflow prevention valve; 7c centrifugal pump; 7d stop valve two; 7e filter; 7f Pressure gauge; 7g stop valve three; 8 water-level gauges; 9 control valves; 10a, 10b temperature sensor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of automatic sprinkler fire-extinguishing system of conditioning Tower, comprise conditioning Tower 1, water tank 2 and switch board 3, the top of conditioning Tower 1 is provided with air inlet, bottom is provided with gas outlet, the air inlet of conditioning Tower 1 and gas outlet are respectively arranged with temperature sensor 10a, 10b, and temperature sensor 10a, 10b are electrically connected with switch board 3; Be positioned at below air inlet and be also provided with shower nozzle 5 in conditioning Tower 1; Shower nozzle 5 is connected with automatic water supply system 7 by magnetic valve 6, and automatic water supply system 7 is electrically connected with switch board 3, and automatic water supply system 7 is connected with water tank 2 by feed pipe; Be provided with water-level gauge 8 in water tank 2, water-level gauge 8 is electrically connected with switch board 3; The top of water tank 2 is also connected with water return pipeline, and water return pipeline is connected with magnetic valve 6 by control valve 9.
Automatic water supply system 7 include be linked in sequence stop valve one 7a, overflow prevention valve 7b, centrifugal pump 7c and stop valve two 7d, stop valve one 7a is connected with magnetic valve 6 by water supply line, stop valve two 7d is connected with water tank 2, and the pipeline between overflow prevention valve 7b and centrifugal pump 7c is also connected with Pressure gauge 7f by stop valve three 7g; Centrifugal pump 7c is electrically connected with the frequency converter 4 be arranged in switch board 3.For avoiding impurity blocking shower nozzle 5 in water tank 2, the pipeline between centrifugal pump 7c and stop valve two 7d is also provided with filter 7e.Automatic water supply system 7 is preferably provided with two-way, and two-way automatic water supply system is connected in parallel, and can work independently and also can work simultaneously, when working independently, and spare duct each other.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection scope of the present invention.
Claims (4)
1. the automatic sprinkler fire-extinguishing system of a conditioning Tower, comprise conditioning Tower, water tank and switch board, the top of described conditioning Tower is provided with air inlet, bottom is provided with gas outlet, it is characterized in that, air inlet and the gas outlet of described conditioning Tower are respectively arranged with temperature sensor, and described temperature sensor is electrically connected with switch board; Be positioned at below air inlet and be also provided with shower nozzle in described conditioning Tower; Described shower nozzle is connected with automatic water supply system by magnetic valve, and automatic water supply system is electrically connected with described switch board, and described automatic water supply system is connected with described water tank by feed pipe; Be provided with water-level gauge in described water tank, water-level gauge is electrically connected with switch board; The top of described water tank is also connected with water return pipeline, and described water return pipeline is connected with described magnetic valve by control valve.
2. the automatic sprinkler fire-extinguishing system of conditioning Tower according to claim 1, it is characterized in that, described automatic water supply system includes stop valve one, overflow prevention valve, centrifugal pump and the stop valve two be linked in sequence, stop valve one is connected with described magnetic valve by water supply line, stop valve two is connected with described water tank, and the pipeline between described overflow prevention valve and centrifugal pump is also connected with Pressure gauge by stop valve three; Described centrifugal pump is electrically connected with the frequency converter be arranged in described switch board.
3. the automatic sprinkler fire-extinguishing system of conditioning Tower according to claim 2, is characterized in that, the pipeline between described centrifugal pump and stop valve two is also provided with filter.
4. the automatic sprinkler fire-extinguishing system of conditioning Tower according to claim 3, is characterized in that, described automatic water supply system is provided with two-way, and two-way automatic water supply system is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368245.5A CN104415636A (en) | 2013-08-20 | 2013-08-20 | Automatic spray system of humidifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368245.5A CN104415636A (en) | 2013-08-20 | 2013-08-20 | Automatic spray system of humidifying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104415636A true CN104415636A (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310368245.5A Pending CN104415636A (en) | 2013-08-20 | 2013-08-20 | Automatic spray system of humidifying tower |
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| Country | Link |
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| CN (1) | CN104415636A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423556A (en) * | 2015-08-12 | 2017-02-22 | 王亚萍 | Conditioning tower for intelligently regulating cement |
| CN109351164A (en) * | 2018-12-11 | 2019-02-19 | 南京凯盛国际工程有限公司 | A kind of cement kiln denitration chilling bypass system and technique |
-
2013
- 2013-08-20 CN CN201310368245.5A patent/CN104415636A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423556A (en) * | 2015-08-12 | 2017-02-22 | 王亚萍 | Conditioning tower for intelligently regulating cement |
| CN109351164A (en) * | 2018-12-11 | 2019-02-19 | 南京凯盛国际工程有限公司 | A kind of cement kiln denitration chilling bypass system and technique |
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Application publication date: 20150318 |