CN1583284A - Spraying method with controllable spraying amount - Google Patents
Spraying method with controllable spraying amount Download PDFInfo
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- CN1583284A CN1583284A CN 200410042480 CN200410042480A CN1583284A CN 1583284 A CN1583284 A CN 1583284A CN 200410042480 CN200410042480 CN 200410042480 CN 200410042480 A CN200410042480 A CN 200410042480A CN 1583284 A CN1583284 A CN 1583284A
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Abstract
A spray method able to control its sprayed quantity includes such steps as atomizing the liquid to be sprayed, mixing atomized liquid with air for diluting it, wind delivering, and spray controlling by use of spray controlling valve and control cabinet for controlling said valve.
Description
Technical field
The present invention relates to a kind of spray method, the controllable spray method of particularly a kind of spray amount is used for the occasion that the accurate subregion of needs is controlled horizontal spray amount, such as the spraying of auxiliary agents such as the paper machine of the wide door width of cloth, dyeing machine.
Background technology
Existing spray method has two big classes.One class is liquid phase spraying, and it is the design by the pressure and the shower nozzle of liquid, and the suddenly reduction of the moment of leaving fog-spray nozzle at liquid owing to pressure forms atomizing.Its atomizing effect depends on fluid flow, pressure and designs of nozzles, thereby is difficult to stepless control, often needs the control of the incompatible realization classification of nozzle sets of different discharge rates when being used for horizontal partition control.Another kind of is gas-liquid mixed spray method, its atomisation pressure is provided by compressed air, spouting liquid can be realized stepless control, can realize stepless control with single nozzle when being used for horizontal partition control, the problem of its existence is when spray amount changes, because variation has also taken place the long-pending ratio of gas-liquid, in fact Pen Wu granular size is unsettled.
For horizontal partition control, no matter adopt above-mentioned any spray method, all be must subregion before entering nozzle to control the liquid applied amount well, manage to guarantee atomizing effect then, like this, each subregion all needs to dispose one a group of liquid phase shower nozzle or a cover gas-liquid shower nozzle, and equipment investment is bigger, the fault rate height of spray nozzle clogging; And owing to be limited by the control accuracy of control element, these two kinds of methods all exist and can't satisfy the defective that the accurate control of ulv spraying requires, such as, when spray amount 30 ml/min are following, just be difficult to realize accurate control.The direct negative consequences that this defective is brought is significantly, can cause the waste of expensive auxiliary agent for dyeing industry, has increased production cost; When the horizontal moisture control of paper machine, owing to can't realize the trace water spray accurately, can only first excessive water spray and then by follow-up oven dry, both influenced output, wasted the energy again.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency that prior art exists, and provides a kind of and can realize the accurate control of subregion ulv spraying, and investment economy, control the controllable spray method of spray amount easily.
The present invention addresses the above problem the technical scheme that is adopted: the controllable spray method of this spray amount, and adopt wind to send the mode of mist, comprise atomization steps, under the optimized nebulization operating mode, the mode of spraying with gas-liquid spraying/liquid atomizes with the liquid of need spraying; Supplying step is carried the liquid atomized with wind; Be characterized in: described supplying step contains dilution, the liquid that has atomized in atomizer with air mixed diluting in proportion; Described spray method also comprises spraying, control step, spray the gas-liquid mixtures that has atomized by the spray control valve of switch board control, spray tank to executing the spray carrier, control spray control valve that each is distinguished respectively according to the switch board setting value, regulate, control the spray amount of each subregion of spray tank.Before implementing subregion control, earlier liquid is atomized, liquid with air flow delivery and dilution atomizing, dilution makes the flow of atomized liquid and AIR MIXTURES reach the optimum controling range of control valve through air, and then implements subregion control, thereby reaches the purpose of accurate control spray amount.
Spraying of the present invention, control step adopt central controlled mode, spray control valve is that motor-driven valve or pneumatic operated valve, spray tank are the subregion spray tank, with concentrated being contained in the control valve cabinet of each control valve of distinguishing of control, the subregion spraying tube bank that picks out by the control valve in the control valve cabinet is connected with the subregion spray tank, corresponding subregion of each pipe in the tube bank.
Spraying of the present invention, control step adopt the mode of decentralised control, spray control valve is the subregion spray valve, the spray valve that its control subregion is sprayed is to be directly installed in the spray tank at spraying scene, controls the spray valve that each is distinguished respectively according to setting value by pneumatic signal tube bank/electronic control bunch of cables automatically or manually of switch board.
Spraying of the present invention, control step also have condensation water and get rid of and reclaimer operation, the casing of used spray tank is a sandwich construction, contain shell and inner casing, inner casing is enclosed within the shell, inner casing eye with holes, the outlet of air inlet links to each other with opening on the shell, the outlet of fog inlet links to each other with opening on the inner casing, ventilates between inner casing and the shell, forms the malleation air cushion.Malleation air cushion between inner casing and the shell makes droplet can't contact the inwall of casing, can prevent droplet condensing at cabinet wall effectively.
Spraying of the present invention, control step also have along the spray tank droplet suction operation of dispersing all around, are equipped with around the cabinet shell of used spray tank and inhale the mist layer, reclaim the droplet that disperses with air exhauster.
The present invention compared with prior art has the following advantages: 1, the present invention adopts wind to send the mode of mist, the i.e. atomization of liquid that will spray earlier, with air stream dielectric surface is diluted, carried, sprays application to the liquid desired proportions of atomizing again, can adapt to spray amount application scenario seldom, also can guarantee cross direction profiles evenly, easily control.Precision control when this spray method can realize that spray amount 30 ml/min are following, the smallest region of subregion control is wide can be 25 millimeters.2, the spray amount control method of the present invention's employing, the method that the preceding subregion of nozzle is controlled the liquid applied amount well and then atomized that enters that is different from the prior art use, but atomize earlier, control well atomization gas composition, rezone control atomization gas spray amount, this spray pattern practicality, effective, convenient, and simple, the investment economy of the equipment that need dispose; Be used in the spraying of auxiliary agents such as paper machine, dyeing machine and can receive that spray effect is good, be beneficial to and improve output, energy savings; Benefits such as spray amount control precision, auxiliary agent saving.
Description of drawings
Fig. 1 is the spraying system schematic diagram that embodiment 1 adopts.
Fig. 2 is the spraying system schematic diagram that embodiment 2 adopts.
Fig. 3 is the body structure schematic diagram of the spray tank of the present invention's employing, band partial cutaway.
Fig. 4 is the A-A cutaway view of Fig. 3.
The specific embodiment
Embodiment 1:
The controllable spray method of this spray amount, the spraying system of employing is made up of atomising device, dilution and conveying device, spraying and control device.Referring to Fig. 1, atomising device contains wet tank 1, pump 2, control valve 3, flowmeter 4,8, controller 15, compressed air 16 and atomizer 7, liquid in the wet tank 1 is extracted out by pump 2 through control valve 3 controls and is advanced atomizer 7 with compressed air 16, flowmeter 4 and 8 connects the atomizing import and the outlet of atomizer 7 respectively, and controller 15 connects flowmeter 4,8 and control valve 3.Dilution and conveying device contain air blast 5, air cleaner 6, and the wind that air blast 5 produces filters through air cleaner 6 and sends into atomizer 7.Spraying and control device contain control valve cabinet 9, switch board 10, subregion spray tank 12, liquid trap 13, filter 14, condensation water return duct 17, atomization gas in the atomizer 7 enters subregion spray tank 12 through control valve cabinet 9, switch board 10 connects control valve cabinet 9, control valve cabinet 9 and subregion spray tank 12 all are connected to liquid trap 13, and liquid trap 13 is forged and got back to wet tank 14 after the condensation water that comes filters by condensation water return duct 17, through filter 14.
This method adopts wind to send the mode of mist, may further comprise the steps:
1, atomization steps, under the optimized nebulization operating mode, the mode of spraying with gas-liquid spraying/liquid atomizes with the liquid of need sprayings.The present embodiment atomization steps adopts the gas-liquid spray pattern, provide atomizing pressure by compressed air 16, liquid is extracted out the atomizer 7 of making a gift to someone by pump 2 from holding vessel 1, in actual applications, the total flow of atomization gas may be unsettled, for the stability of the composition of the source of the gas that guarantees to atomize, need control gas-liquid proportional, just need the applied amount of atomized liquid, make it keep certain concentration according to compressed-air actuated flow adjustment.Among the embodiment, liquid-AIR Proportional and flowmeter 4,8 detected compressed air and fluid flow value adjusting fluid flow that control valve 3 is set according to controller 15 are to stablize the composition of atomization gas.
The optimized nebulization operating mode of liquid comprises atomizing pressure, fluid flow, atomization temperature, characteristics of liquids or the like.This optimized nebulization operating mode according to different spraying require, different spraying liquids is determined and align, and obtains suitable droplet sizes with assurance.Droplet is too small to disperse easily, excessively then condense in course of conveying easily.
The advantage of gas-liquid spraying is that the scope of adaptation filter aid applied amount is wider, and guarantees atomizing effect; The advantage of liquid spraying is that the equipment needed thereby structure is simpler, generally adopts under the situation that auxiliary dosage is relatively fixed.
2, dilution, supplying step, the liquid that has atomized in atomizer 7 with the air of air blast 5 ratio mixed diluting on request; And carry the liquid that has atomized with the wind of air blast 5.
3, spraying, control step, spray the liquid that has atomized by the spray control valve of switch board 10 control, spray tank to executing the spray carrier 18, automatic or manual subregion setting value input signal 21 according to switch board 10 is controlled the spray control valve that each is distinguished respectively, regulates, controls the spray amount of each subregion of spray tank.Present embodiment adopts central controlled mode, and spray control valve is that motor-driven valve or pneumatic operated valve, spray tank are subregion spray tank 12, is divided into a plurality of intervals in the spray tank 12, determines to divide several districts according to the actual conditions of need subregion control.Control valve that will each district of control is concentrated and to be contained in the control valve cabinet 9, and subregion corresponding in the subregion spraying tube bank 11 of sending by each control valve in the control valve cabinet 9 and the subregion spray tank 12 connects, and every pipe correspondence is controlled a spray tank subregion in the tube bank.
Consider that the droplet in the mist might condense, this step also have condensation water get rid of and reclaim, the droplet suction operation of dispersing around the spray tank.Casing 30 adopts sandwich constructions, is made of the inner casing 25 of inhaling mist layer 27, shell 24, having an eyelet 26, inhales that mist layer 27 is contained in around the shell 24, shell 24 is enclosed within inner casing 25 outsides; Inhale opening on the mist layer 27 and connect the opening that the opening on bleeding point 28, the shell 24 taps on air port 22, the inner casing 25 and connect fog inlet 23, the top that bleeding point 28 is contained on the limit of casing 30, air inlet 22 and fog inlet 23 all are positioned at casing 30.Bleeding point 28 is generally 1-2, according to casing 30 sizes, to guarantee that shell 24 edges form uniform, enough negative pressure suction spray tank droplets that disperses all around, decide the quantity of bleeding point 28, the air-flow that contains residual mist that bleeding point 28 is extracted out is sent back to air blast 5 through pipeline 31 and filter 6.The quantity of air inlet 22 and fog inlet 23, size, arrangement and spacing are decided on size, spray amount, droplet proterties and the spraying purpose of spray tank; The quantity of air inlet 22 to guarantee between the inside and outside shell air intake evenly, can form the malleation air cushion, make droplet can't contact inwall 25 and condense; The quantity of fog inlet 25 is according to the width configuration of spray tank, and under the situation of subregion control spray amount, the quantity of fog inlet 25 equals the quantity of institute's subregion, and present embodiment needs nine.Inner casing 25 adopts the eyelet material, also can adopt Web materials.Bleeding point 28, air inlet 22, fog inlet 23 are fixed by fixtures such as screw, nuts respectively, or directly are welded on suction mist layer 27, shell 24, the inner casing 25.The spray tank body structure is referring to Fig. 3,4, and spray tank is patent protection separately.
Embodiment 2:
The spraying of present embodiment, control step adopt the mode of decentralised control, spray control valve is a subregion spray valve 20, the spray valve 20 of its control subregion spraying is to be directly installed in the on-the-spot spray tank 29 of spraying, according to the setting value 21 automatically or manually, control the spray valve 20 in each district respectively of switch board 10 by pneumatic signal tube bank/electronic control bunch of cables 19, thus control, the spray amount of regulating each subregion.Present embodiment is just different in control mode with the difference of embodiment 1, and other operating procedure is all the same.
Spraying in the spraying system that present embodiment adopts is different with embodiment 1 with control device, and other is identical, specifically referring to Fig. 2.The control signal of switch board 10 is directly controlled the subregion spray valves 20 that are contained in the spray tank 29 and is sprayed to executing the spray carrier.
This embodiment has lower-cost advantage, but its spray control valve is very high to environmental requirement, and maintenance is not as embodiment 1 convenience.
Claims (5)
1, the controllable spray method of a kind of spray amount adopts wind to send the mode of mist, comprises atomization steps, and under the optimized nebulization operating mode, the mode of spraying with gas-liquid spraying/liquid atomizes with the liquid of need spraying; Supplying step is carried the liquid atomized with wind; It is characterized in that: described supplying step contains dilution, the liquid that has atomized in atomizer with air mixed diluting in proportion; Described spray method also comprises spraying, control step, spray the gas-liquid mixtures that has atomized by the spray control valve of switch board control, spray tank to executing the spray carrier, control spray control valve that each is distinguished respectively according to the switch board setting value, regulate, control the spray amount of each subregion of spray tank.
But 2, the spray method of a kind of subregion control spray amount according to claim 1, it is characterized in that: described spraying, control step adopt central controlled mode, spray control valve is that motor-driven valve or pneumatic operated valve, spray tank are the subregion spray tank, with concentrated being contained in the control valve cabinet of each control valve of distinguishing of control, the subregion spraying tube bank that picks out by the control valve in the control valve cabinet is connected with the subregion spray tank, corresponding subregion of each pipe in the tube bank.
3, the controllable spray method of a kind of spray amount according to claim 1, it is characterized in that: described spraying, control step adopt the mode of decentralised control, spray control valve is the subregion spray valve, the spray valve that its control subregion is sprayed is to be directly installed in the spray tank at spraying scene, controls the spray valve that each is distinguished respectively according to setting value by pneumatic signal tube bank/electronic control bunch of cables automatically or manually of switch board.
4, according to claim 2 or the controllable spray method of 3 described a kind of spray amount, it is characterized in that: described spraying, control step also have condensation water and get rid of and reclaimer operation, the casing of used spray tank is a sandwich construction, contain shell and inner casing, inner casing is enclosed within the shell, inner casing eye with holes, and the outlet of air inlet links to each other with opening on the shell, the outlet of fog inlet links to each other with opening on the inner casing, ventilate between inner casing and the shell, form the malleation air cushion.
But 5, the spray method of a kind of subregion control spray amount according to claim 4, it is characterized in that: described spraying, control step also have along the spray tank droplet suction operation of dispersing all around, be equipped with around the cabinet shell of used spray tank and inhale the mist layer, reclaim the droplet that disperses with air exhauster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042480 CN1260012C (en) | 2004-05-26 | 2004-05-26 | Spraying method with controllable spraying amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042480 CN1260012C (en) | 2004-05-26 | 2004-05-26 | Spraying method with controllable spraying amount |
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| Publication Number | Publication Date |
|---|---|
| CN1583284A true CN1583284A (en) | 2005-02-23 |
| CN1260012C CN1260012C (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410042480 Expired - Fee Related CN1260012C (en) | 2004-05-26 | 2004-05-26 | Spraying method with controllable spraying amount |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355502C (en) * | 2006-01-26 | 2007-12-19 | 朱根荣 | Spraying device |
| CN106094939A (en) * | 2016-06-08 | 2016-11-09 | 中国电力科学研究院 | A kind of uniform-mist analog systems for extra-high voltage pollution test and method |
| CN107199138A (en) * | 2017-06-29 | 2017-09-26 | 安徽信陆电子科技有限公司 | A kind of spraying equipment control pressurer system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440325A (en) * | 2018-11-08 | 2019-03-08 | 上海大学 | Reactive dye are to cotton fabric using the spraying wet method for steaming dyeing |
-
2004
- 2004-05-26 CN CN 200410042480 patent/CN1260012C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355502C (en) * | 2006-01-26 | 2007-12-19 | 朱根荣 | Spraying device |
| CN106094939A (en) * | 2016-06-08 | 2016-11-09 | 中国电力科学研究院 | A kind of uniform-mist analog systems for extra-high voltage pollution test and method |
| CN107199138A (en) * | 2017-06-29 | 2017-09-26 | 安徽信陆电子科技有限公司 | A kind of spraying equipment control pressurer system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1260012C (en) | 2006-06-21 |
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| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU HUAZHANG ELECTRICAL ENGINEERING CO., LTD Free format text: FORMER OWNER: TANG HENGBO Effective date: 20050603 |
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Effective date of registration: 20050603 Address after: 310012, No. 8, building 3, Chang Torch Hotel, No. 259, Wensanlu Road, Zhejiang, Hangzhou Applicant after: Huazhang Electric Engineering Co., Ltd., Hangzhou City Address before: 310012 Xinzhou mangrove forest Plaza, HOLLEY Road, Hangzhou, Zhejiang province 9-2-101 Applicant before: Tang Hengbo |
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Owner name: HUAZHANG ELECTRICAL ( TONGXIANG ) CO., LTD. Free format text: FORMER OWNER: HANGZHOU HUAZHANG ELECTRICAL ENGINEERING CO., LTD. Effective date: 20090403 |
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Effective date of registration: 20090403 Address after: No. 1068 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang Patentee after: Huazhang Electric (tongxiang) Co., Ltd. Address before: Floor 3, building 8, Chang Chang Torch Hotel, No. 259, Wensanlu Road, Zhejiang, Hangzhou Patentee before: Huazhang Electric Engineering Co., Ltd., Hangzhou City |
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Owner name: ZHEJIANG HUAZHANG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUAZHANG ELECTRIC (TONGXIANG) CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 314500 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang 1068, China Patentee after: Zhejiang Huazhang Technology Co., Ltd. Address before: 314500 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang 1068, China Patentee before: Huazhang Electric (Tongxiang) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060621 Termination date: 20160526 |