CN103009495A - Control, detection and alarming device for circulating water system for internal mixer - Google Patents
Control, detection and alarming device for circulating water system for internal mixer Download PDFInfo
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- CN103009495A CN103009495A CN 201210465335 CN201210465335A CN103009495A CN 103009495 A CN103009495 A CN 103009495A CN 201210465335 CN201210465335 CN 201210465335 CN 201210465335 A CN201210465335 A CN 201210465335A CN 103009495 A CN103009495 A CN 103009495A
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Abstract
The invention relates to a control, detection and alarming device for circulating water system for an internal mixer, which is characterized in that a solenoid electric valve is assembled on a soften water pipe communicated with a circulation loop system of the internal mixer, a temperature detection element and a digital electro connecting pressure gauge are respectively assembled in the circulation loop system of the internal mixer, the switching value signal of the upper pressure limit and the lower pressure limit of the digital electro connecting pressure gauge is accessed into an input interface circuit of a PLC (programmable logic controller), and an output interface circuit of the PLC outputs relevant switch on or switch off control signal for the solenoid electric valve and a combined aural and visual alarm. In the system, when the pressure of circulation water is higher or lower than a rated value, the PLC is used for controlling the on and off of the solenoid electric valve so as to replenish water for the system or cut off the water replenished; and when interval time spent on switching on the solenoid electric valve under the control of the PLC for replenishing water for three times is lower than the rated value, leak point occurs in the system, and the combined aural and visual alarm alarms. The device is prompt and efficient in water replenishment controlling and water leakage detection and alarming, softened water leakage amount is reduced, and sizing material quality is improved.
Description
Technical field
The present invention relates to mix or mix the parts of equipment heating or cooling, especially banbury circulation control, detection alarm device.
Background technology
We know, banbury is aborning in order to guarantee to produce the stability of sizing material, in mixing chamber, rotor and upper and lower top bolt closed circuit access demineralized water, according to technological requirement, these parts are cooled off or heat, guarantee that sizing material carries out work in a more stable confined space.And in process of production, the alloy-layer on surface, above-mentioned position causes serious wear owing to rubbing for a long time with sizing material, and easily closed circuit produces leakage point.Large leakage point can be operated the worker and find, but smaller leakage point is difficult for discovering, and demineralized water will replenish always, and the demineralized water of leakage is sneaked in the sizing material, waste water resource not only, and the performance of sizing material produced a very large impact.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the control of banbury circulation, the detection alarm device of a kind of accurately and efficiently automatic water supplement, water leakage alarm.
The technical solution adopted for the present invention to solve the technical problems is: the control of banbury circulation, the detection alarm device, it comprises being connected by tube connector and consists of the cooling heat exchanger of closed circuit system, the samming tank, water pump, temperature control object pipeline and a softening water pipe that is connected with the closed circuit system, at described softening water pipe assembling one check-valves, cooling medium side connection cooling water at described cooling heat exchanger advances, outlet pipe, on described samming tank, assemble respectively a pressure detecting element, one safety valve, one limiting temperature detecting element, one liquid level detecting element, one relief valve and an electric heater, it is characterized in that: on described softening water pipe, also assemble a solenoid electric valve, respectively fitting temperature detecting element and digital electro connecting pressure gauge in described closed circuit system, the upper pressure limit of this digital electro connecting pressure gauge, the switching value signal of lower limit accesses the input interface circuit of a PLC, and be that described solenoid electric valve and an audible-visual annunciator are exported corresponding control signal by the output interface circuit of this PLC, wherein, described PLC exports corresponding control signal and sets by follow procedure: the low pressure limit value of digital electro connecting pressure gauge is lower than 0.2MP, the control signal that solenoid electric valve is opened in the output interface circuit output one of PLC, solenoid electric valve is opened, and demineralized water replenishes through softening water pipe and enters in the closed circuit system; The upper pressure limit value of digital electro connecting pressure gauge is higher than 0.3MP, the control signal that solenoid electric valve is closed in the output interface circuit output one of PLC, and solenoid electric valve cuts out, and cuts off moisturizing; Open moisturizing 3 times and be lower than 20 minutes blanking time, the control signal that audible-visual annunciator is opened in the output interface circuit output one of PLC, audible-visual annunciator sounding, luminous alarm by the solenoid electric valve of PLC control is continuous; Open moisturizing 3 times and be higher than 20 minutes blanking time by the solenoid electric valve of PLC control is continuous, the control signal that audible-visual annunciator is closed in the output interface circuit output one of PLC, audible-visual annunciator is not reported to the police.
The present invention is softening water pipe assembling one solenoid electric valve that is being connected with banbury closed circuit system, difference fitting temperature detecting element and digital electro connecting pressure gauge in the closed circuit system of banbury, the upper pressure limit of digital electro connecting pressure gauge, the switching value signal of lower limit accesses the input interface circuit of a PLC, the output interface circuit of this PLC is the control signal that solenoid electric valve and audible-visual annunciator output open or close accordingly, solenoid electric valve is opened, connecting extraneous demineralized water is the closed circuit system water supplement, or solenoid electric valve cuts out the cut-out moisturizing; Solenoid electric valve is continuous to be opened moisturizing 3 times and is lower than setting blanking time, and then there is leakage point in the closed circuit system, and audible-visual annunciator is reported to the police.It is automatic, accurate, efficient that the moisturizing of banbury circulation of the present invention realizes; Produce leakage point in the system, then realized automatic detection, warning.Compared with prior art, moisturizing control of the present invention, water leakage detection warning in time, efficiently reduce the demineralized water leakage rate, have improved the sizing material quality, reduce time percent defective.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of systematic schematic diagram of the present invention, also is the parts connection layout of a kind of embodiment.
Among the figure: 1. temperature control object pipeline, 2. water pump, 3. audible-visual annunciator, 4.PLC, 5. electric heater, 6. samming tank, 7. relief valve, 8. liquid level detecting element, 9. limiting temperature detecting element, 10. safety valve, 11. pressure detecting element, 12. cooling water inlet pipes, 13. cooling water outlet pipes, 14. cooling heat exchanger, 15. detector units, 16. solenoid electric valves, 17. check-valves, 18. softening water pipes, 19. digital electro connecting pressure gauges.
The specific embodiment
In Fig. 1, the control of banbury circulation, detection alarm device, it comprises cooling heat exchanger 14, samming tank 6, water pump 2, temperature control object pipeline 1.Above-mentioned parts application tube connector is connected and consists of the closed circuit system of banbury recirculated water, promotes recirculated waters in the closed circuit systemic circulation by water pump 2, with cooling or heated for controlling temperature object pipeline 1.Wherein, temperature control object pipeline 1 is the floating weight of banbury and bolt loop, lower top, rotor loop, front and back banburying chamber loop, although the amount of cooling water that this three loop requires varies in size, system principle is identical.Adopting temperature control object pipeline to substitute in the present embodiment expresses.
As shown in Figure 1, the board-like cooling heat exchanger that cooling heat exchanger 14 adopts is at cooling medium side connection cooling water inlet pipe 12 and the cooling water outlet pipe 13 of cooling heat exchanger 14.Cooling heat exchanger 14 provides circulation low-temperature cooling water by exchange heat for the closed circuit system with cooling water in the cooling water system.
As shown in Figure 1, be respectively fitted with a pressure detecting element 11, a safety valve 10, a limiting temperature detecting element 9, a liquid level detecting element 8, a relief valve 7 and an electric heater 5 at samming tank 6.The annexation of above-mentioned parts and parts and samming tank 6 is same as the prior art, and this seldom states.
In Fig. 1, the present invention also comprises a softening water pipe 18 that is connected with the closed circuit system.In Fig. 1.At softening water pipe 18 assembling one check-valves 17 and solenoid electric valves 16.
In Fig. 1, in the closed circuit system, also be respectively fitted with detector unit 15 and digital electro connecting pressure gauge 19.The switching value signal of the upper pressure limit of this digital electro connecting pressure gauge 19, lower limit accesses the input interface circuit of a PLC4, and is solenoid electric valve 16 and the corresponding control signal of an audible-visual annunciator 3 outputs by the output interface circuit of this PLC4.Wherein, PLC4 adopts S7-200 type PLC.
Check through field practice: under normal perfect condition, the pressure of closed circuit system should continue constant, a variety of causes such as consumption and steam, and the pressure of closed circuit system or lossy is although this loss is very little comparatively speaking.On-the-spot pressure need be located at 0.2-0.3MP, owing to the reason closed circuit system that consumes whenever replenishes a pressure time interval at least more than 20 minutes, illustrates that the closed circuit system pressure is reduced to the time of 0.2MP needs more than 20 minutes from 0.3MP.But, if the closed circuit system has the leakage point time can shorten a lot.The conclusion that draws: whether control moisturizing frequency, just can detect this loop has leakage point.
Therefore, PLC4 exports corresponding control signal and sets by follow procedure: the low pressure limit value of digital electro connecting pressure gauge 19 is lower than 0.2MP, the control signal that solenoid electric valve 16 is opened in the output interface circuit output one of PLC4, solenoid electric valve 16 is opened, and demineralized water replenishes through softening water pipe 18 and enters in the closed circuit system; The upper pressure limit value of digital electro connecting pressure gauge 19 is higher than 0.3MP, the control signal that solenoid electric valve 16 is closed in the output interface circuit output one of PLC4, and solenoid electric valve 16 cuts out, and cuts off moisturizing; Open moisturizing 3 times and be lower than 20 minutes blanking time, the control signal that audible-visual annunciator 3 is opened in the output interface circuit output one of PLC4, audible-visual annunciator 3 sounding, luminous alarm by the solenoid electric valve 16 of PLC4 control is continuous; Open moisturizing 3 times and be higher than 20 minutes blanking time by the solenoid electric valve 16 of PLC4 control is continuous, the control signal that audible-visual annunciator 3 is closed in the output interface circuit output one of PLC4, audible-visual annunciator 3 is not reported to the police.
The circulating water pressure of banbury closed circuit of the present invention system is below or above rated value, is is automatically opened or closed by PLC control solenoid electric valve, is the closed circuit system water supplement or cuts off moisturizing, realize moisturizing, cut off the water supply accurately, efficiently reach automation.Produce leakage point in the closed circuit system, open moisturizing 3 times and be lower than setting blanking time by PLC control solenoid electric valve is continuous, then there is leakage point in the closed circuit system, and audible-visual annunciator is reported to the police, and the closed circuit system has then realized automatic detection, warning.Moisturizing control of the present invention, water leakage detection warning in time, efficiently reduce the demineralized water leakage rate, have improved the sizing material quality, reduce time percent defective.
Claims (1)
1. banbury circulation control, the detection alarm device, it comprises being connected by tube connector and consists of the cooling heat exchanger of closed circuit system, the samming tank, water pump, temperature control object pipeline and a softening water pipe that is connected with the closed circuit system, at described softening water pipe assembling one check-valves, cooling medium side connection cooling water at described cooling heat exchanger advances, outlet pipe, on described samming tank, assemble respectively a pressure detecting element, one safety valve, one limiting temperature detecting element, one liquid level detecting element, one relief valve and an electric heater, it is characterized in that: on described softening water pipe, also assemble a solenoid electric valve, respectively fitting temperature detecting element and digital electro connecting pressure gauge in described closed circuit system, the upper pressure limit of this digital electro connecting pressure gauge, the switching value signal of lower limit accesses the input interface circuit of a PLC, and be that described solenoid electric valve and an audible-visual annunciator are exported corresponding control signal by the output interface circuit of this PLC, wherein, described PLC exports corresponding control signal and sets by follow procedure: the low pressure limit value of digital electro connecting pressure gauge is lower than 0.2MP, the control signal that solenoid electric valve is opened in the output interface circuit output one of PLC, solenoid electric valve is opened, and demineralized water replenishes through softening water pipe and enters in the closed circuit system; The upper pressure limit value of digital electro connecting pressure gauge is higher than 0.3MP, the control signal that solenoid electric valve is closed in the output interface circuit output one of PLC, and solenoid electric valve cuts out, and cuts off moisturizing; Open moisturizing 3 times and be lower than 20 minutes blanking time, the control signal that audible-visual annunciator is opened in the output interface circuit output one of PLC, audible-visual annunciator sounding, luminous alarm by the solenoid electric valve of PLC control is continuous; Open moisturizing 3 times and be higher than 20 minutes blanking time by the solenoid electric valve of PLC control is continuous, the control signal that audible-visual annunciator is closed in the output interface circuit output one of PLC, audible-visual annunciator is not reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210465335 CN103009495A (en) | 2012-11-19 | 2012-11-19 | Control, detection and alarming device for circulating water system for internal mixer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210465335 CN103009495A (en) | 2012-11-19 | 2012-11-19 | Control, detection and alarming device for circulating water system for internal mixer |
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| CN103009495A true CN103009495A (en) | 2013-04-03 |
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| CN 201210465335 Pending CN103009495A (en) | 2012-11-19 | 2012-11-19 | Control, detection and alarming device for circulating water system for internal mixer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110809503A (en) * | 2017-06-15 | 2020-02-18 | 株式会社达谊恒 | Welding gun and welding gun cooling system |
| CN111609597A (en) * | 2019-02-22 | 2020-09-01 | 艾默生环境优化技术(苏州)有限公司 | Automatic water replenishing system and method for heat pump unit |
| CN112076848A (en) * | 2020-08-19 | 2020-12-15 | 广西和美新材料科技有限公司 | Ball mill operation alarm protection system and control method thereof |
-
2012
- 2012-11-19 CN CN 201210465335 patent/CN103009495A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110809503A (en) * | 2017-06-15 | 2020-02-18 | 株式会社达谊恒 | Welding gun and welding gun cooling system |
| US11370053B2 (en) | 2017-06-15 | 2022-06-28 | Daihen Corporation | Welding torch and welding torch cooling system |
| CN111609597A (en) * | 2019-02-22 | 2020-09-01 | 艾默生环境优化技术(苏州)有限公司 | Automatic water replenishing system and method for heat pump unit |
| CN112076848A (en) * | 2020-08-19 | 2020-12-15 | 广西和美新材料科技有限公司 | Ball mill operation alarm protection system and control method thereof |
| CN112076848B (en) * | 2020-08-19 | 2022-08-05 | 广西和美新材料科技有限公司 | Ball mill operation alarm protection system and control method thereof |
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Application publication date: 20130403 |