CN202808335U - Safety device for distributor of high-risk chemical liquids - Google Patents
Safety device for distributor of high-risk chemical liquids Download PDFInfo
- Publication number
- CN202808335U CN202808335U CN 201220344137 CN201220344137U CN202808335U CN 202808335 U CN202808335 U CN 202808335U CN 201220344137 CN201220344137 CN 201220344137 CN 201220344137 U CN201220344137 U CN 201220344137U CN 202808335 U CN202808335 U CN 202808335U
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- plc control
- chemical liquid
- control housing
- risk chemical
- sensor
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Abstract
The utility model discloses a safety device for a distributor of high-risk chemical liquids. The safety device comprises a PLC (programmable logic controller) control cabinet, a metering pump, an infusion pump, an electric pneumatic valve, a temperature sensor, a pressure sensor, a leakage sensor and a double-deck pipeline, wherein the metering pump, the infusion pump, the electric pneumatic valve, the temperature sensor, the pressure sensor, the leakage sensor and the double-link pipeline are connected through the PLC control cabinet through electrical signals and are disposed in a box. The metering pump pumps liquid to the distributor, and then the infusion pump and the electric pneumatic valve are controlled to deliver the liquid to a production line according to instructions from the PLC control cabinet. The temperature sensor and the pressure sensor are used to respectively measure temperature and pressure of the liquid in the double-deck pipeline and feed the temperature and pressure signals back to the PLC control cabinet. The leakage sensor is used to measure whether the liquid in the double-tier pipeline leaks or not, monitor waste gas in the box and feed detection signals back to the PLC control cabinet. Links of an automatic distributing device are monitored through the sensors, monitor signals from the sensors are processed by a PLC, various parameters and states are detected, processed and controlled during operation, and operational convenience and safety are guaranteed.
Description
Technical field
The utility model relates to the chemical industry environmental protection apparatus field, is specifically related to a kind of safety device of high-risk chemical liquid distributing box.
Background technology
The high-risk chemical liquid distributing box that present chemical environmental protection industry (epi) is used mostly is to use simple method; even manual method is distributed; namely manually will carry the delivery pipe of high-risk chemical liquid to couple together; one end is positioned in the container; one end is positioned in the accumulator tank of high-risk chemical liquid; open the valve of delivery duct; high-risk chemical liquid just flow in the container; because severe corrosive and the strong oxidizing property of these high-risk chemical liquids; pipeline and joint thereof sour phenomenon occurs leaking and happen occasionally; not only workman's work environment is bad; and owing to there is not perfect safety precaution; there is certain potential safety hazard, very easily causes safety misadventure and environmental pollution, severe patient even can bring great economic loss to enterprise.
The utility model content
For solving the problems of the technologies described above; we have proposed a kind of safety device of high-risk chemical liquid distributing box; by adopting various kinds of sensors the links of automatic allocation device and whole working process are monitored; the monitor signal of sensor is by the processing of PLC Programmer; and various parameters, state in the device operational process are carried out Check processing control; guaranteed the safe operation of device; greatly improved convenience and the safety of operation, having had significantly of safety misadventure reduced.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of safety device of high-risk chemical liquid distributing box, by the PLC control housing be connected casing in and the measuring pump, infusion pump, electropneumatic valve, temperature sensor, pressure sensor, leak sensor and the double-skin duct that are connected with described PLC control housing electric signal form; The parameter that described measuring pump is set according to the PLC control housing is from extracting high-risk chemical liquid in distributing box in the tank, control described infusion pump by the instruction of PLC control housing again and electropneumatic valve is quantitatively carried high-risk chemical liquid to manufacturing line; Described temperature sensor and pressure sensor be the omnidistance temperature and pressure of measuring the high-risk chemical liquid in the double-skin duct internal layer respectively, and temperature signal and pressure signal are fed back to described PLC control housing; Whether the omnidistance high-risk chemical liquid of measuring in the double-skin duct of described leak sensor has leakage in skin, and the waste gas in the casing is monitored, and detection signal is fed back to described PLC control housing.
Preferably, described PLC control housing is provided with overtemperature alarm, over pressure alarm device and leakage alarm, described overtemperature alarm, over pressure alarm device and leakage alarm respectively by described PLC control housing be connected temperature sensor, pressure sensor and leak sensor electric signal and be connected.
Preferably, be provided with heat sink and dropping equipment in the described casing, described heat sink and dropping equipment all are electrically connected with described PLC control housing.
Preferably, described double-skin duct is provided with automatic switching control equipment, and when warning was sent in double-skin duct appearance leakage, described automatic switching control equipment excised faulty section and waits to keep in repair.
Preferably, be provided with exhaust blower and exhaust damper in the described casing, described exhaust blower and exhaust damper are controlled by described PLC control housing.
Preferably, described electropneumatic valve is connected with notch indicator, and described notch indicator sends the indicating positions signal to described PLC control housing, and described PLC control housing is according to the described electropneumatic valve of indicating positions signal control.
Preferably, the next procedure of described notch indicator and electropneumatic valve and described PLC control housing control is interlocked control.
Pass through technique scheme; the utility model is by adopting various kinds of sensors to the individual working link complete monitoring of automatic allocation device; adopt different sensors respectively to its pressure; temperature; leak to wait and monitor; the monitor signal of each sensor is processed by the special procedure of PLC Programmer; and to the various parameters in the device operational process; state detects control; operating personal and high-risk chemical liquid are isolated fully; do not need the high-risk chemical liquid of direct control; avoided to produce the overtemperature of harm to operating personal; superpressure; leak; release; the generation of the situations such as waste gas overflows; simultaneously environment is produced the waste liquid of harm; waste gas is in time processed; evaded the safety misadventure that production process produces; guarantee safety in production, greatly improved work efficiency.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the inner structure scheme drawing of the safety device of the disclosed a kind of high-risk chemical liquid distributing box of the utility model embodiment.
Numeral and the represented corresponding component title of letter among the figure:
1.PLC control housing 2. casings 3. measuring pumps 4. infusion pumps 5. electropneumatic valves 51. notch indicators 6. temperature sensors 61. overtemperature alarms 7. pressure sensors 71. over pressure alarm devices 8. leak sensors 81. leakage alarms 9. double-skin ducts 10. heat sinks 11. dropping equipments 12. automatic switching control equipments 13. exhaust blowers 14. exhaust dampers 15. distributing boxs
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of safety device of high-risk chemical liquid distributing box; its principle of work is by adopting various kinds of sensors that the links of automatic allocation device and whole working process are monitored; the monitor signal of sensor is by the processing of PLC Programmer; and various parameters, state in the device operational process are carried out Check processing control; guaranteed the safe operation of device; greatly improved convenience and the safety of operation, having had significantly of safety misadventure reduced.
Below in conjunction with embodiment and the specific embodiment the utility model is described in further detail.
Embodiment.
As shown in Figure 1, a kind of safety device of high-risk chemical liquid distributing box, by PLC control housing 1 be connected casing 2 in and the measuring pump 3, infusion pump 4, electropneumatic valve 5, temperature sensor 6, pressure sensor 7, leak sensor 8 and the double-skin ducts 9 that are connected with described PLC control housing 1 electric signal form; The parameter that described measuring pump 3 is set according to PLC control housing 1 is quantitatively carried high-risk chemical liquid by the described infusion pump 4 of control and electropneumatic valve 5 to manufacturing line by the instruction of PLC control housing 1 again from extracting high-risk chemical liquid in the tank in distributing box 15; Described temperature sensor 6 and pressure sensor 7 be the omnidistance temperature and pressure of measuring the high-risk chemical liquid in double-skin duct 9 internal layers respectively, and temperature signal and pressure signal are fed back to described PLC control housing 1; Whether the described leak sensor 8 omnidistance high-risk chemical liquids of measuring in the double-skin duct 9 have leakage in skin, and the waste gas in the casing 2 is monitored, and detection signal is fed back to described PLC control housing 1.
Wherein, described PLC control housing 1 is provided with overtemperature alarm 61, over pressure alarm device 71 and leakage alarm 81, described overtemperature alarm 61, over pressure alarm device 71 are connected with leakage alarm respectively by described PLC control housing 1 be connected temperature sensor 6, pressure sensor 7 and be connected electric signal with leak sensor and connect; Be provided with heat sink 10 and dropping equipment 11 in the described casing 2, described heat sink 10 and dropping equipment 11 all are electrically connected with described PLC control housing 1; Described double-skin duct 9 is provided with automatic switching control equipment 12, and when warning was sent in double-skin duct 9 appearance leakages, described automatic switching control equipment 12 excised faulty section and waits to keep in repair; Be provided with exhaust blower 13 and exhaust damper 14 in the described casing 2, described exhaust blower 13 and exhaust damper 14 are by described PLC control housing 1 control; Described electropneumatic valve 5 is connected with notch indicator 51, and described notch indicator 51 sends the indicating positions signal to described PLC control housing 1, and described PLC control housing 1 is according to the described electropneumatic valve 5 of indicating positions signal control; Described notch indicator 51 and electropneumatic valve 5 are interlocked control with the next procedure of described PLC control housing 1 control.
The principle of work of the safety device of a kind of high-risk chemical liquid distributing box of the present utility model is: as shown in Figure 1; at first; high-risk chemical liquid is by the dedicated liquid connecting interface liquid storage tank and high-risk chemical liquid distributing box 15 to be coupled together; the parameter of being set according to PLC control housing 1 by the measuring pump 3 in the high-risk chemical liquid distributing box 15 is from extracting high-risk chemical liquid in distributing box 15 in the tank; pass through control infusion pump 4 by the instruction of PLC control housing 1 again; electropneumatic valve 5 is quantitatively carried high-risk chemical liquid to manufacturing line; temperature sensor 6 is arranged in this process; pressure sensor 7; the leak sensor 8 omnidistance temperature of measuring the high-risk chemical liquid in double-skin duct 9 internal layers; whether leakage is arranged in pressure and the skin, simultaneously the waste gas in the casing 2 is monitored.When monitoring overtemperature, superpressure, at first reported to the police by the overtemperature alarm 61 of correspondence or over pressure alarm device 71, heat sink 10 or dropping equipment 11 is lowered the temperature or step-down is processed simultaneously, until temperature or pressure normal till; When double-skin duct 9 interior appearance were leaked, leakage alarm 81 can send warning, and 13 pairs of leak points of automatic switching control equipment automatically switch simultaneously, waiting for maintenance after the faulty section excision; When PLC control housing 1 detects waste gas and reaches finite concentration, can send instruction, start exhaust blower 13, open exhaust damper 14, waste gas be entered in the professional treatment tower (indicating among the figure) process.In addition; the electropneumatic valve 5 of high-risk chemical liquid distributing box 15 interior work; indicate liquid level position with dedicated location indicating device 51; and liquid level signal is transported to PLC control housing 1; the road program could be worked under PLC control housing 1 was commanded after obtaining correct position signal; owing to all be interlocked control between the important operation of this device, thereby guaranteed the safety of whole operation.
The important working process of the technical program, step, order have Sensor monitoring and have special procedure to process.Main technical characterictic is temperature, pressure, the leakage to high-risk chemical liquid, the monitoring of exhaust gas concentration, the emission control of waste liquid, the position accuracy in the working process, the interlocking of job order, the correctness of communication port docking etc. is all monitored, to all the time automatically monitoring of these links that can cause safety, environmental accident and personal injury, these signals have PLC control housing 1 automatically to process by software, and have man-computer interface to check at any time or parameters; Can also pass through network remote monitoring.
The safety device of the high-risk chemical liquid distributing box of the technical program has following functional character: 1. fluid pressure, the temperature of high-risk chemical liquid its internal layer when double-skin duct 9 internal layers are transferred are carried out detection; The skin of double tube is arranged leak sensor 8 carry out Leak Detection; 2. each liquid of liquid input interface of high-risk chemical liquid distributing box 15 has a kind of jointing of correspondence to connect simultaneously can to provide connection signal after complete; 3. the interlocking before and after the job order has software program to guarantee; 4. high-risk chemical liquid distributing box 15 body structures form with metallic framework outsourcing plastics; 5. the exhaust gas leakage of high-risk chemical liquid distributing box 15 in casing 2 detects with sensor, reaches specified value automatically starting exhaust damper 14 and exhaust blower 13.
Pass through technique scheme; the utility model is by adopting various kinds of sensors to the individual working link complete monitoring of automatic allocation device; adopt different sensors respectively to its pressure; temperature; leak to wait and monitor; the monitor signal of each sensor is processed by the special procedure of PLC Programmer; and to the various parameters in the device operational process; state detects control; operating personal and high-risk chemical liquid are isolated fully; do not need the high-risk chemical liquid of direct control; avoided to produce the overtemperature of harm to operating personal; superpressure; leak; release; the generation of the situations such as waste gas overflows; simultaneously environment is produced the waste liquid of harm; waste gas is in time processed; evaded the safety misadventure that production process produces; guarantee safety in production, greatly improved work efficiency.
Above-described only is the safety device preferred implementation of a kind of high-risk chemical liquid distributing box of the present utility model; should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. the safety device of a high-risk chemical liquid distributing box, it is characterized in that, by the PLC control housing be connected casing in and the measuring pump, infusion pump, electropneumatic valve, temperature sensor, pressure sensor, leak sensor and the double-skin duct that are connected with described PLC control housing electric signal form; The parameter that described measuring pump is set according to the PLC control housing is from extracting high-risk chemical liquid in distributing box in the tank, control described infusion pump by the instruction of PLC control housing again and electropneumatic valve is quantitatively carried high-risk chemical liquid to manufacturing line; Described temperature sensor and pressure sensor be the omnidistance temperature and pressure of measuring the high-risk chemical liquid in the double-skin duct internal layer respectively, and temperature signal and pressure signal are fed back to described PLC control housing; Whether the omnidistance high-risk chemical liquid of measuring in the double-skin duct of described leak sensor has leakage in skin, and the waste gas in the casing is monitored, and detection signal is fed back to described PLC control housing.
2. the safety device of a kind of high-risk chemical liquid distributing box according to claim 1; it is characterized in that; described PLC control housing is provided with overtemperature alarm, over pressure alarm device and leakage alarm, described overtemperature alarm, over pressure alarm device and leakage alarm respectively by described PLC control housing be connected temperature sensor, pressure sensor and leak sensor electric signal and be connected.
3. the safety device of a kind of high-risk chemical liquid distributing box according to claim 2 is characterized in that, is provided with heat sink and dropping equipment in the described casing, and described heat sink and dropping equipment all are electrically connected with described PLC control housing.
4. the safety device of a kind of high-risk chemical liquid distributing box according to claim 3; it is characterized in that; described double-skin duct is provided with automatic switching control equipment, and when warning was sent in double-skin duct appearance leakage, described automatic switching control equipment excised faulty section and waits to keep in repair.
5. the safety device of a kind of high-risk chemical liquid distributing box according to claim 4 is characterized in that, is provided with exhaust blower and exhaust damper in the described casing, and described exhaust blower and exhaust damper are controlled by described PLC control housing.
6. the safety device of a kind of high-risk chemical liquid distributing box according to claim 5; it is characterized in that; described electropneumatic valve is connected with notch indicator; described notch indicator sends the indicating positions signal to described PLC control housing, and described PLC control housing is according to the described electropneumatic valve of indicating positions signal control.
7. the safety device of a kind of high-risk chemical liquid distributing box according to claim 6 is characterized in that, the next procedure of described notch indicator and electropneumatic valve and the control of described PLC control housing is interlocked control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344137 CN202808335U (en) | 2012-07-17 | 2012-07-17 | Safety device for distributor of high-risk chemical liquids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344137 CN202808335U (en) | 2012-07-17 | 2012-07-17 | Safety device for distributor of high-risk chemical liquids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808335U true CN202808335U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344137 Expired - Lifetime CN202808335U (en) | 2012-07-17 | 2012-07-17 | Safety device for distributor of high-risk chemical liquids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202808335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467285A (en) * | 2015-08-18 | 2017-03-01 | 宁波乐惠国际工程装备股份有限公司 | The online add-on system of chemicals |
-
2012
- 2012-07-17 CN CN 201220344137 patent/CN202808335U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467285A (en) * | 2015-08-18 | 2017-03-01 | 宁波乐惠国际工程装备股份有限公司 | The online add-on system of chemicals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU CPS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHANG ZHENG Effective date: 20130523 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130523 Address after: 215121, Jiangsu, Suzhou Province Industrial Park, only 55 West Road, No. 2 factory building (South) Patentee after: SUZHOU CPS TECHNOLOGY Co.,Ltd. Address before: 215121, Jiangsu, Suzhou Province Industrial Park, only 55 West Road, No. 2 factory building (South) Patentee before: Chang Zheng |
|
| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU YISIBEI ENVIRONMENTAL PROTECTION EQUIPMENT Free format text: FORMER NAME: SUZHOU CPS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215121, Jiangsu, Suzhou Province Industrial Park, only 55 West Road, No. 2 factory building (South) Patentee after: SUZHOU CPS TECHNOLOGY CO.,LTD. Address before: 215121, Jiangsu, Suzhou Province Industrial Park, only 55 West Road, No. 2 factory building (South) Patentee before: SUZHOU CPS TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |