CN204433473U - A kind of stock tank input and output material control system - Google Patents
A kind of stock tank input and output material control system Download PDFInfo
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- CN204433473U CN204433473U CN201420774084.XU CN201420774084U CN204433473U CN 204433473 U CN204433473 U CN 204433473U CN 201420774084 U CN201420774084 U CN 201420774084U CN 204433473 U CN204433473 U CN 204433473U
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- stock tank
- control valve
- pneumatic control
- pump
- discharge pipe
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Abstract
The utility model discloses a kind of stock tank input and output material control system, comprise stock tank, feed pipe and discharge pipe, described feed pipe connects the top of stock tank, described discharge pipe connects the bottom of stock tank, described feed pipe is provided with feed pump, discharge pipe is provided with discharging pump, this system also comprises a DCS control box, described stock tank inside is provided with fluid level transmitter, described feed pipe is arranged the first pneumatic control valve, described discharge pipe is arranged the second pneumatic control valve, described fluid level transmitter, first pneumatic control valve, second pneumatic control valve, feed pump and discharging pump are electrically connected with DCS control box respectively, described feed pump and the first pneumatic control valve are undertaken chain by DCS control box, described discharging pump and the second pneumatic control valve are undertaken chain by DCS control box.The problem of the potential safety hazards such as the utility model is intended to solve on-site manual operation that existing raw material storage tank exists and tank boil-overs, find time, provides a kind of high efficiency stock tank control system.
Description
Technical field
The utility model belongs to chemical plant stock tank equipment technical field, is specifically related to a kind of stock tank input and output material control system.
Background technology
Vague generalization factory needs to build stock tank and carries out temporary storage to some liquid charging stocks, because stock tank is in the process of charging and discharging always, current chemical enterprise generally controls charging and the discharging of stock tank by the artificial level condition according to stock tank, although the stock tank in existing most of chemical plant is provided with liquid level alarm device, to the too high or too low effect can played prompting and report to the police of liquid level, but report to the police from reception and may cause certain economic loss within the reaction time that feed pipe and discharge nozzle are closed, and the tank boil-overs which causes due to human error, the situation such as to find time is difficult to control, and in case of emergency the very first time can not cut off mass transport.
And all there is certain speed in the input and output material of stock tank, what certain reserves guarantee must be kept in stock tank to produce normally carries out, sometimes the raw materials requirement amount of possibility a certain period increases, then need to strengthen load, if stock tank can not keep certain reserves, the situation that raw material supply is not gone up may be there is, and existing input and output material controls the not certain control of reserves for stock tank, easily there is unstable situation in discharging.
Application number is in the Chinese patent of " CN201120203301.6 ", disclose the utility model patent that name is called " a kind of liquid level controller of oil product tank ", it comprises oil tank, oil inlet, oil outlet pipe and liquid level tube, wherein oil inlet is communicated with the top of oil tank, and oil outlet pipe is communicated with the bottom of oil tank; One end of liquid level tube is communicated with the top of oil tank, and the other end is communicated with the bottom of oil tank.This utility model can observe liquid level in oil tank, but does not arrange warning device, can not break bounds in time report to the police to liquid level, needs manually to carry out detection and material supplements, closes, and cost of labor is higher, slips up higher.
Application number is in the Chinese patent of " CN201320595809.4 ", disclose the utility model patent that name is called " a kind of petrol storage tank automatic control device ", comprise the level sensor and temperature sensor of being located at petrol storage tank inside, described petrol storage tank outside is provided with signal processor, spray equipment and liquid level display, described level sensor, temperature sensor, spray equipment and be connected by signal wire (SW) between liquid level display with signal processor.This utility model can realize the function of the too high automatic alarm of liquid level and the too high automatic spray of temperature, but may cause certain economic loss from acceptance warning to the artificial reaction time of carrying out processing, and can not carry out the control of mass transport the very first time.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the utility model discloses a kind of stock tank input and output material control system, to solve the problem of the tank boil-overs that existing raw material storage tank exists, the potential safety hazard such as to find time, provide a kind of system can carrying out control in real time to the input and output material of raw material, this system is by carrying out Real-Time Monitoring to liquid level, thus control the speed of feed liquor and fluid, in emergency circumstances the very first time can cut off material in generation, prevent economic loss.
A kind of stock tank input and output material control system, comprise stock tank, feed pipe and discharge pipe, described feed pipe connects the top of stock tank, described discharge pipe connects the bottom of stock tank, described feed pipe is provided with feed pump, discharge pipe is provided with discharging pump, this system also comprises a DCS control box, described stock tank inside is provided with fluid level transmitter, described feed pipe is arranged the first pneumatic control valve, described discharge pipe is arranged the second pneumatic control valve, described fluid level transmitter, first pneumatic control valve, second pneumatic control valve, feed pump and discharging pump are electrically connected with DCS control box respectively, described feed pump and the first pneumatic control valve are undertaken chain by DCS control box, described discharging pump and the second pneumatic control valve are undertaken chain by DCS control box.
Further, the bottom of described feed pipe and discharge pipe arranges piling concrete pier.
Further, described feed pump and discharging pump adopt magnetic drive pump.
The utility model is by arranging pneumatic control valve at feed pipe and discharge pipe, can regulate and control the speed of Flow of Goods and Materials, fluid level transmitter in stock tank can be monitored the liquid level in tank, and by liquid level information transmission to DCS control box, after DCS control box processes data, corresponding control is made to the first pneumatic control valve and the second pneumatic control valve; Feed pump and the first pneumatic control valve, discharging pump and the second pneumatic control valve are carried out chain, when the first pneumatic control valve and the second pneumatic control valve are closed, feed pump and discharging pump are also closed simultaneously, can the energy be saved, simultaneously can prevent manual operation valve-off but not close the danger that pump produces.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of stock tank input and output material control system.
Detailed description of the invention
The utility model discloses a kind of stock tank input and output material control system, this system by carrying out Real-Time Monitoring to liquid level, thus controls the speed of feed liquor and fluid, controls stock tank storing amount, in emergency circumstances the very first time can cut off material in generation, prevent economic loss.
Below in conjunction with the accompanying drawing in the utility model, be clearly and completely described the technical scheme in the utility model, obviously, described is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
Shown in Figure 1, a kind of stock tank input and output material control system, comprise stock tank 3, feed pipe 4 and discharge pipe 7, described feed pipe 4 connects the top of stock tank 3, described discharge pipe 7 connects the bottom of stock tank 3, described feed pipe 4 is provided with feed pump 6, discharge pipe 7 is provided with discharging pump 9, this system also comprises a DCS control box 1, described stock tank 3 inside is provided with fluid level transmitter 2, described feed pipe 4 is arranged the first pneumatic control valve 5, described discharge pipe 7 is arranged the second pneumatic control valve 10, described fluid level transmitter 2, first pneumatic control valve 5, second pneumatic control valve 10, feed pump 6 and discharging pump 9 are electrically connected with DCS control box 1 respectively, fluid level transmitter 2 in stock tank 3 can be monitored the liquid level in tank, and by liquid level information transmission to DCS control box 1, after DCS control box 1 pair of data process, control signal is sent to the first pneumatic control valve 5 and the second pneumatic control valve 10, control the openings of sizes of the first pneumatic control valve 5 and the second pneumatic control valve 10, thus control the flow of material, the phenomenon preventing tank boil-overs and find time, in time there is emergency case, DCS control box 1 controls the first pneumatic control valve 5 and the second pneumatic control valve 10 carries out emergency cut-off, Accident prevention produces and reduces economic loss, described feed pump 6 and the first pneumatic control valve 5 are undertaken chain by DCS control box 1, described discharging pump 6 and the second pneumatic control valve 10 are undertaken chain by DCS control box 1, when the first pneumatic control valve 5 and the second pneumatic control valve 10 are closed, feed pump 6 and discharging pump 9 are also closed simultaneously, can the energy be saved, simultaneously can prevent manual operation valve-off but not close the danger that pump produces.The bottom of described feed pipe 4 and discharge pipe 7 arranges piling concrete pier 8, and its effect is the safety problem that solution pipeline tilts with land subsidence; Described feed pump 6 and discharging pump 9 adopt magnetic drive pump, change common chemical centrifugal pump into magnetic drive pump, can improve the leak tightness of material transferring, solve the problem that raw material is easily revealed in former chemical pump mechanical seal.
Known by describing above, the utility model has the advantage of: can monitor for the liquid level of stock tank, charging and discharging are controlled, thus control stock tank reserves and be in a controlled scope, prevent the situation that material supply is not gone up, prevent the situation of material tank boil-overs; Can when generation emergency situation the very first time by input and output material pipe sealing, reduce the economic loss that causes.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. a stock tank input and output material control system, comprise stock tank, feed pipe and discharge pipe, described feed pipe connects the top of stock tank, described discharge pipe connects the bottom of stock tank, described feed pipe is provided with feed pump, discharge pipe is provided with discharging pump, it is characterized in that, this system also comprises a DCS control box, described stock tank inside is provided with fluid level transmitter, described feed pipe is arranged the first pneumatic control valve, described discharge pipe is arranged the second pneumatic control valve, described fluid level transmitter, first pneumatic control valve, second pneumatic control valve, feed pump and discharging pump are electrically connected with DCS control box respectively, described feed pump and the first pneumatic control valve are undertaken chain by DCS control box, described discharging pump and the second pneumatic control valve are undertaken chain by DCS control box.
2. a kind of stock tank input and output material control system according to claim 1, it is characterized in that, the bottom of described feed pipe and discharge pipe arranges piling concrete pier.
3. a kind of stock tank input and output material control system according to claim 1, is characterized in that, described feed pump and discharging pump adopt magnetic drive pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774084.XU CN204433473U (en) | 2014-12-09 | 2014-12-09 | A kind of stock tank input and output material control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774084.XU CN204433473U (en) | 2014-12-09 | 2014-12-09 | A kind of stock tank input and output material control system |
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| Publication Number | Publication Date |
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| CN204433473U true CN204433473U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420774084.XU Active CN204433473U (en) | 2014-12-09 | 2014-12-09 | A kind of stock tank input and output material control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512864A (en) * | 2016-12-29 | 2017-03-22 | 杭州油脂化工有限公司 | Intermittent hydrogenation safety discharging device and safety discharging method |
| CN108861172A (en) * | 2018-07-24 | 2018-11-23 | 桐乡市同福双丰畜牧生态养殖专业合作社 | The temporary storing-conveying apparatus of animal wastes |
-
2014
- 2014-12-09 CN CN201420774084.XU patent/CN204433473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512864A (en) * | 2016-12-29 | 2017-03-22 | 杭州油脂化工有限公司 | Intermittent hydrogenation safety discharging device and safety discharging method |
| CN108861172A (en) * | 2018-07-24 | 2018-11-23 | 桐乡市同福双丰畜牧生态养殖专业合作社 | The temporary storing-conveying apparatus of animal wastes |
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