CN104503515B - Add water humidifier control system and the control method of sand preparing system - Google Patents
Add water humidifier control system and the control method of sand preparing system Download PDFInfo
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- CN104503515B CN104503515B CN201410580336.XA CN201410580336A CN104503515B CN 104503515 B CN104503515 B CN 104503515B CN 201410580336 A CN201410580336 A CN 201410580336A CN 104503515 B CN104503515 B CN 104503515B
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- atomizing water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 239000004576 sand Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
Abstract
The present invention relates to add water humidifier control system and the control method of a kind of sand preparing system, described system includes conveyer belt (1) and humidifying device (2), and the blanking port of conveyer belt (1) just charging aperture to humidifying device (2), described conveyer belt (1) be arranged above nozzle for atomizing water with air group one (3.1), and humidity sensor one (5.1) is installed on conveyer belt (1), this humidity sensor one (5.1) is positioned at nozzle for atomizing water with air group one (3.1) front, it is separately installed with nozzle for atomizing water with air group two (3.2) and nozzle for atomizing water with air group three (3.3) before and after described humidifying device (2), and between nozzle for atomizing water with air group two (3.2) and nozzle for atomizing water with air group three (3.3), it is provided with humidity sensor two (5.2).Add water humidifier control system and the control method of a kind of sand preparing system of the present invention, it is possible to sand material is effectively humidified.
Description
Technical field
The present invention relates to add water humidifier control system and the control method of a kind of sand preparing system.
Background technology
At present, in sand preparing system, need frequently to add water sand material humidification operations, this is because have certain requirement for its humidity of finished sand material；And in the region of some frost severe cold, it being in the reasons such as insulation, its water content does not often reach requirement, it is therefore desirable to when output finished sand, it is carried out humidification process.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that add water humidifier control system and the control method of a kind of sand preparing system that can sand material be effectively humidified.
The object of the present invention is achieved like this:
A kind of humidification control method that adding water of sand preparing system, the step of described control method is:
Step one: sand material is transmitted to humidifying device by conveyer belt；During transmission, conveyer belt is arranged above nozzle for atomizing water with air group one, is sprayed at sand material surface after being used for making water fogging；Meanwhile, conveyer belt being positioned at nozzle for atomizing water with air group one front and is provided with temperature sensor one and humidity sensor one, the temperature and humidity signal that it detects passes to processor, and the current temperature value now obtained is T1, current humidity value is S1；
Step 2: processor calculates required amount of water, amount of water L=(S0- S1+ X) × W, wherein S0For target humidity value, X is the water loss percentage ratio of system, and W is the weight of the sand material of tape transport in the unit cycle；
Step 3: nozzle for atomizing water with air group one works a unit period, sprays into the atomized water L of a unit period1= V1
t1, for being prewetted in sand material surface, wherein V1For controlling the flow of the valve of nozzle for atomizing water with air group one；
Step 4: the sand material after prewetting enters humidifying device, humidifying device is arranged above two groups of nozzle for atomizing water with air of before and after, it is respectively nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, and between nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, it is provided with temperature sensor two and humidity sensor two, described humidifying device is a pair of spiral agitator, discharging after the sand material mix homogeneously after adding water；First closing nozzle for atomizing water with air group three in this step, open nozzle for atomizing water with air group two, then processor calculates the water yield of the required ejection of nozzle for atomizing water with air group two, now water yield L2=L- V1
t1；
Step 5: the temperature and humidity signal that temperature sensor two and humidity sensor two are detected pass to processor with, now obtain twice is added water after temperature value be T2, humidity value is S2；Relatively S2With desired value S0Size, S2If less than desired value S0, the most also need to utilize nozzle for atomizing water with air group three to carry out moisturizing, rate of water make-up L now3=(S0- S2) × W；Otherwise enter step 6；
Step 6: after step 5, the sand material that humidity is qualified gets final product shipment；
The humidification control method that adds water of a kind of sand preparing system of the present invention, in step 3, step 4 and step 5, the amount to water spray only needs to control the service time of valve, the service time t of nozzle for atomizing water with air group one1It it is a unit period；The service time t of nozzle for atomizing water with air group two2=L2/V2；V2For controlling the flow of the valve of nozzle for atomizing water with air group two；The service time t of nozzle for atomizing water with air group one3=L3/V3；V3For controlling the flow of the valve of nozzle for atomizing water with air group three.
nullThe humidifier control system that adds water of a kind of sand preparing system of the present invention，Described system includes conveyer belt and humidifying device，And the blanking port of conveyer belt just charging aperture to humidifying device，Described conveyer belt be arranged above nozzle for atomizing water with air group one，And humidity sensor one is installed on conveyer belt，This humidity sensor one is positioned at nozzle for atomizing water with air group one front，Nozzle for atomizing water with air group two and nozzle for atomizing water with air group three it is separately installed with before and after described humidifying device，And between nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, it is provided with humidity sensor two，Above-mentioned nozzle for atomizing water with air group one，Control valve one it is serially connected with respectively on the inlet pipeline of nozzle for atomizing water with air group two and nozzle for atomizing water with air group three、Control valve two and control valve three，Control valve one、Control valve two is all connected with a processor with control valve three，Above-mentioned humidity sensor one is the most all connected with processor with humidity sensor two.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention carries out humidification process by the mode that repeatedly adds water to sand material, it is ensured that can accurately reach target humidity, and decreases the consumption of water, contributes to water saving.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the humidifier control system that adds water of sand preparing system of the present invention.
Wherein:
Conveyer belt 1, humidifying device 2；
Nozzle for atomizing water with air group 1, nozzle for atomizing water with air group 2 3.2, nozzle for atomizing water with air group 3 3.3；
Control valve 1, control valve 2 4.2, control valve 3 4.3；
Humidity sensor 1, humidity sensor 2 5.2.
Detailed description of the invention
See Fig. 1, add water humidifier control system and the control method of a kind of sand preparing system that the present invention relates to, described control method is:
Step one: sand material is transmitted to humidifying device by conveyer belt；During transmission, conveyer belt is arranged above nozzle for atomizing water with air group one, is sprayed at sand material surface after being used for making water fogging；Meanwhile, conveyer belt being positioned at nozzle for atomizing water with air group one front and is provided with temperature sensor one and humidity sensor one, the temperature and humidity signal that it detects passes to processor, and the current temperature value now obtained is T1, current humidity value is S1；
Step 2: processor calculates required amount of water, amount of water L=(S0- S1+ X) × W, wherein S0For target humidity value, X is the water loss percentage ratio of system, and W is the weight of the sand material of tape transport in the unit cycle；
Step 3: nozzle for atomizing water with air group one works a unit period, sprays into the atomized water L of a unit period1= V1
t1, for being prewetted in sand material surface, wherein V1For controlling the flow of the valve of nozzle for atomizing water with air group one；
Step 4: the sand material after prewetting enters humidifying device, humidifying device is arranged above two groups of nozzle for atomizing water with air of before and after, it is respectively nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, and between nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, it is provided with temperature sensor two and humidity sensor two, described humidifying device is a pair of spiral agitator, discharging after the sand material mix homogeneously after adding water；First closing nozzle for atomizing water with air group three in this step, open nozzle for atomizing water with air group two, then processor calculates the water yield of the required ejection of nozzle for atomizing water with air group two, now water yield L2=L- V1
t1；
Step 5: the temperature and humidity signal that temperature sensor two and humidity sensor two are detected pass to processor with, now obtain twice is added water after temperature value be T2, humidity value is S2；Relatively S2With desired value S0Size, S2If less than desired value S0, the most also need to utilize nozzle for atomizing water with air group three to carry out moisturizing, rate of water make-up L now3=(S0- S2) × W；Otherwise enter step 6；
In step 3, step 4 and step 5, the amount to water spray only needs to control the service time of valve, the service time t of nozzle for atomizing water with air group one1It it is a unit period；The service time t of nozzle for atomizing water with air group two2=L2/V2；V2For controlling the flow of the valve of nozzle for atomizing water with air group two；The service time t of nozzle for atomizing water with air group one3=L3/V3；V3For controlling the flow of the valve of nozzle for atomizing water with air group three；
Step 6: after step 5, the sand material that humidity is qualified gets final product shipment；
Below, for said method step, lift an object lesson and illustrate:
One system, its sand flow amount V=6000kg/min=100kg/s, V1=60L/min=1L/S；V2=90L/min=1.5L/S；V1=90L/min=1.5L/S；The water loss of system is 1 ‰；Its target humidity S0=5%；
The current humidity S of humidity sensor one test1=2.7%, then unit period (t1=10s) the weight W=100kg/s × 10s=1000kg, total amount of water L=(S of needs of sand material of interior tape transport0- S1+ X) × W=(5%-2.7%+1 ‰) × 1000=24L；
Now in step 3, nozzle for atomizing water with air group one works water yield L added in unit period 10s1= V1
t1=1L/S×10s=10L；
Then in step 4, the amount of water L of nozzle for atomizing water with air group two2=L- V1
t1=24-10=14L, it needs the time opened to be t2=L2/V2=14/1.5 ≈ 9s, the valve i.e. controlling nozzle for atomizing water with air group two needs to open 9s；
Last in step 5, humidity S detected that humidity sensor two detects2=4.7%, then now need the rate of water make-up L carried out by nozzle for atomizing water with air group three3=(S0- S2) × W=(5%-4.7%) × 1000=3L, the opening time of the valve now controlling nozzle for atomizing water with air group three is t3=L3/V3=3/1.5=2s；By the above-mentioned mode that adds water, the sand material of output i.e. may conform to required humidity；
nullAbove-mentioned control mode relate to the humidifier control system that adds water of a kind of sand preparing system，Described system includes conveyer belt 1 and humidifying device 2，And the blanking port of conveyer belt 1 just charging aperture to humidifying device 2，Described conveyer belt 1 be arranged above nozzle for atomizing water with air group 1，And humidity sensor 1 is installed on conveyer belt 1，This humidity sensor 1 is positioned at nozzle for atomizing water with air group 1 front，It is separately installed with nozzle for atomizing water with air group 2 3.2 and nozzle for atomizing water with air group 3 3.3 before and after described humidifying device 2，And between nozzle for atomizing water with air group 2 3.2 and nozzle for atomizing water with air group 3 3.3, it is provided with humidity sensor 2 5.2，Above-mentioned nozzle for atomizing water with air group 1，Control valve 1 it is serially connected with respectively on the inlet pipeline of nozzle for atomizing water with air group 2 3.2 and nozzle for atomizing water with air group 3 3.3、Control valve 2 4.2 and control valve 3 4.3，Control valve 1、Control valve 2 4.2 is all connected with a processor with control valve 3 4.3，Above-mentioned humidity sensor 1 is the most all connected with processor with humidity sensor 2 5.2；
Additionally: it should be noted that above-mentioned detailed description of the invention is only a prioritization scheme of this patent, any change that those skilled in the art is done according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (3)
1. the humidification control method that adds water of a sand preparing system, it is characterised in that: described control method is:
Step one: sand material is transmitted to humidifying device by conveyer belt；During transmission, conveyer belt is arranged above nozzle for atomizing water with air group one, is sprayed at sand material surface after being used for making water fogging；Meanwhile, conveyer belt being positioned at nozzle for atomizing water with air group one front and is provided with temperature sensor one and humidity sensor one, the temperature and humidity signal that it detects passes to processor, and the current temperature value now obtained is T1, current humidity value is S1；
Step 2: processor calculates required amount of water, amount of water L=(S0-
S1+ X) × W, wherein S0For target humidity value, X is the water loss percentage ratio of system, and W is the weight of the sand material of tape transport in the unit cycle；
Step 3: nozzle for atomizing water with air group one works a unit period, sprays into the atomized water L of a unit period1= V1 t1, for being prewetted in sand material surface, wherein V1For controlling the flow of the valve of nozzle for atomizing water with air group one, t1It it is a unit period；
Step 4: the sand material after prewetting enters humidifying device, humidifying device is arranged above two groups of nozzle for atomizing water with air of before and after, it is respectively nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, and between nozzle for atomizing water with air group two and nozzle for atomizing water with air group three, it is provided with temperature sensor two and humidity sensor two, described humidifying device is a pair of spiral agitator, discharging after the sand material mix homogeneously after adding water；First closing nozzle for atomizing water with air group three in this step, open nozzle for atomizing water with air group two, then processor calculates the water yield of the required ejection of nozzle for atomizing water with air group two, now water yield L2=L- V1 t1；
Step 5: the temperature and humidity signal that temperature sensor two and humidity sensor two are detected pass to processor with, now obtain twice is added water after temperature value be T2, humidity value is S2；Relatively S2With desired value S0Size, S2If less than desired value S0, the most also need to utilize nozzle for atomizing water with air group three to carry out moisturizing, rate of water make-up L now3=(S0- S2) × W；Otherwise enter step 6；
Step 6: after step 5, the sand material that humidity is qualified gets final product shipment.
The humidification control method that adds water of a kind of sand preparing system the most as claimed in claim 1, it is characterised in that: in step 3, step 4 and step 5, the amount to water spray only needs to control the service time of valve, and the service time of nozzle for atomizing water with air group one is t1；The service time t of nozzle for atomizing water with air group two2=L2/V2；V2For controlling the flow of the valve of nozzle for atomizing water with air group two；The service time t of nozzle for atomizing water with air group one3=L3/V3；V3For controlling the flow of the valve of nozzle for atomizing water with air group three.
null3. the humidifier control system that adds water of a sand preparing system，It is characterized in that: described system includes conveyer belt (1) and humidifying device (2)，And the blanking port of conveyer belt (1) just charging aperture to humidifying device (2)，Described conveyer belt (1) be arranged above nozzle for atomizing water with air group one (3.1)，And humidity sensor one (5.1) is installed on conveyer belt (1)，This humidity sensor one (5.1) is positioned at nozzle for atomizing water with air group one (3.1) front，It is separately installed with nozzle for atomizing water with air group two (3.2) and nozzle for atomizing water with air group three (3.3) before and after described humidifying device (2)，And between nozzle for atomizing water with air group two (3.2) and nozzle for atomizing water with air group three (3.3), it is provided with humidity sensor two (5.2)，Above-mentioned nozzle for atomizing water with air group one (3.1)，Control valve one (4.1) it is serially connected with respectively on the inlet pipeline of nozzle for atomizing water with air group two (3.2) and nozzle for atomizing water with air group three (3.3)、Control valve two (4.2) and control valve three (4.3)，Control valve one (4.1)、Control valve two (4.2) is all connected with a processor with control valve three (4.3)，Above-mentioned humidity sensor one (5.1) is the most all connected with processor with humidity sensor two (5.2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580336.XA CN104503515B (en) | 2014-10-27 | 2014-10-27 | Add water humidifier control system and the control method of sand preparing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580336.XA CN104503515B (en) | 2014-10-27 | 2014-10-27 | Add water humidifier control system and the control method of sand preparing system |
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| CN104503515A CN104503515A (en) | 2015-04-08 |
| CN104503515B true CN104503515B (en) | 2016-09-14 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1142074A (en) * | 1965-05-10 | 1969-02-05 | Rexall Drug Chemical | An improved dispensing apparatus |
| CN2041984U (en) * | 1988-12-27 | 1989-08-02 | 东南大学 | Moistening and cooling device with several=stage sand screen |
-
2014
- 2014-10-27 CN CN201410580336.XA patent/CN104503515B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1142074A (en) * | 1965-05-10 | 1969-02-05 | Rexall Drug Chemical | An improved dispensing apparatus |
| CN2041984U (en) * | 1988-12-27 | 1989-08-02 | 东南大学 | Moistening and cooling device with several=stage sand screen |
Non-Patent Citations (4)
| Title |
|---|
| 《DH-1 型型砂水分自动测控系统》;朱世根等;《特种铸造及有色合金》;20020108(第1期);第15-17页 * |
| 《型砂性能智能化测控系统的研制》;张立光等;《铸造》;19940430(第4期);第88-92页 * |
| 《铸工车间砂处理型砂控制系统分析》;向安战等;《机械》;20050731;第32卷(第7期);第40-41页 * |
| THMC型砂水分自动控制系统;黄天佑;《中国铸造装备与技术》;19970531(第5期);第15-17页 * |
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Effective date of registration: 20231026 Address after: 286 Chengjiang Middle Road, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Patentee after: Jiangyin Sanzhu Intelligent Equipment Co.,Ltd. Address before: No. 286 Chengjiang Middle Road, Jiangyin City, Wuxi City, Jiangsu Province, 214434 Patentee before: JIANGYIN NO.3 FOUNDRY MACHINERY Co.,Ltd. |
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