CN211651306U - Automatic constant temperature equipment of chemistry liquid medicine - Google Patents
Automatic constant temperature equipment of chemistry liquid medicine Download PDFInfo
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- CN211651306U CN211651306U CN202020133523.4U CN202020133523U CN211651306U CN 211651306 U CN211651306 U CN 211651306U CN 202020133523 U CN202020133523 U CN 202020133523U CN 211651306 U CN211651306 U CN 211651306U
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- hot water
- heat exchange
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- exchange coil
- plc control
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- 239000007788 liquid Substances 0.000 title claims abstract description 78
- 239000003814 drug Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000000126 substance Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000011521 glass Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model discloses an automatic constant temperature equipment of chemical liquid medicine, including reservoir, heat exchange coil, buffer tank, hot water circulating pump, instant heater, circulation pipeline, temperature sensor and PLC control system, temperature sensor and heat exchange coil are located the reservoir, temperature sensor, hot water circulating pump, instant heater are connected with PLC control system respectively, and the heat exchange coil passes through circulation pipeline and buffer tank intercommunication, is provided with hot water circulating pump, instant heater between heat exchange coil and the buffer tank. The utility model discloses a chemical liquid medicine is not needing artifical monitoring, under the condition of artifical switching valve, realizes automatic temperature monitoring to feedback opening and closing of different valves in the PLC control system automatic switch-over circulating line through the temperature-sensing ware, cold hydrothermal switching in the control heat exchange coil pipe, the heat exchange speed is fast, and the accuse temperature is accurate, and the liquid medicine temperature is even, guarantees the integrality of whole technology, improves process efficiency.
Description
Technical Field
The utility model relates to a technology processing apparatus field especially relates to an automatic constant temperature equipment of chemistry liquid medicine.
Background
In the prior art, the chemical treatment equipment for the surface of the glass has the advantage that the temperature stability and precision of chemical liquid medicine directly influence the reaction speed and uniformity of the liquid medicine and the surface of the glass. Particularly, the chemical treatment of the surface of the novel electronic glass, and the temperature control of the liquid medicine influence important parameters such as the roughness and the light transmittance of the surface of the glass. At present, the liquid medicine temperature control of the equipment mainly adopts a built-in heating rod to directly heat the liquid medicine, and when the temperature reaches a set value, the heating rod is stopped to heat. However, the preheating of the surface of the heating rod can continuously raise the temperature of the liquid medicine and is uncontrollable, the temperature is often monitored manually, and ice blocks are required to be added manually to lower the temperature of the liquid medicine when necessary. Therefore, the temperature control of the liquid medicine cannot be accurate. Therefore, how to accurately control the temperature of the liquid medicine is still a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the automatic thermostat for chemical liquid medicine can regulate the temperature of chemical liquid medicine accurately and automatically to maintain the temperature of chemical liquid medicine in a constant temperature state.
The technical scheme of the utility model as follows: an automatic chemical liquid medicine constant temperature device comprises a liquid storage tank, a heat exchange coil, a cache tank, a hot water circulating pump, an instant heater, a circulating pipeline, a temperature sensor and a PLC (programmable logic controller) control system, wherein the temperature sensor and the heat exchange coil are positioned in the liquid storage tank, and the temperature sensor, the hot water circulating pump and the instant heater are respectively connected with the PLC control system;
the circulating pipeline comprises a hot water outlet pipe, a hot water inlet pipe, a cold water outlet pipe and a cold water inlet pipe, the water outlet of the heat exchange coil is communicated with the water inlet of the cache tank through the hot water outlet pipe, the water outlet of the cache tank is communicated with the water inlet of the heat exchange coil through the hot water inlet pipe, the hot water inlet pipe is provided with a hot water circulating pump and an instant heater, the hot water circulating pump is communicated with the cache tank and the instant heater, the instant heater is communicated with the hot water circulating pump and the heat exchange coil, the water inlet of the heat exchange coil is also communicated with the cold water inlet pipe, and the water outlet of the;
the hot water outlet pipe, the hot water inlet pipe, the cold water outlet pipe and the cold water inlet pipe are respectively provided with a one-way valve, each one-way valve is respectively connected with the PLC control system, a flow sensor is further arranged between the hot water circulating pump and the instant heater, and the flow sensor is connected with the PLC control system.
Preferably, a stirring device is further arranged in the liquid storage tank.
Preferably, the bottom of the stirring device is provided with a higher-level stirring blade and a lower-level stirring blade which are arranged up and down in a staggered manner.
Preferably, the water inlet of the cache groove is also communicated with a water replenishing pipe, a water replenishing electromagnetic valve is arranged on the water replenishing pipe, and the water replenishing electromagnetic valve is connected with the PLC control system.
Preferably, a low level liquid level sensor, a middle level liquid level sensor and a high level liquid level sensor are further arranged in the cache tank, and the low level liquid level sensor, the middle level liquid level sensor and the high level liquid level sensor are respectively connected with the PLC control system.
By adopting the technical scheme, the chemical liquid medicine realizes automatic temperature monitoring under the condition of manually switching the valves without manual monitoring, and the chemical liquid medicine is fed back to the opening and closing of different valves in the automatic switching circulation pipeline of the PLC control system through the temperature sensor to control the switching of cold and hot water in the heat exchange coil pipe, so that the heat exchange speed is high, the temperature control is accurate, the liquid medicine temperature is uniform, the integrity of the whole process is ensured, and the process efficiency is improved.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
This embodiment provides an automatic constant temperature equipment of chemical liquid medicine, including reservoir 1, heat exchange coil 2, buffer tank 3, hot water circulating pump 4, instant heater 5, circulating line, temperature sensor 6 and PLC control system, temperature sensor 6 and heat exchange coil 2 are located reservoir 1, still be provided with agitating unit 8 in the reservoir 1, temperature sensor 6, hot water circulating pump 4, instant heater 5, agitating unit 8 are connected with PLC control system respectively. The circulation pipeline comprises a hot water outlet pipe 71, a hot water inlet pipe 72, a cold water outlet pipe 74 and a cold water inlet pipe 73, the water outlet of the heat exchange coil pipe 2 is communicated with the water inlet of the cache tank 3 through the hot water outlet pipe 71, the water outlet of the cache tank 3 is communicated with the water inlet of the heat exchange coil pipe 2 through the hot water inlet pipe 72, the hot water inlet pipe 72 is provided with a hot water circulating pump 4 and an instant heater 5, the hot water circulating pump 4 is communicated with the cache tank 3 and the instant heater 5, the instant heater 5 is communicated with the hot water circulating pump 4 and the heat exchange coil pipe 2, the water inlet of the heat exchange coil pipe 2 is further communicated with the cold water inlet pipe 73, and the water. Wherein, the hot water outlet pipe 71, the hot water inlet pipe 72, the cold water outlet pipe 74 and the cold water inlet pipe 73 are respectively provided with a one-way valve 75, and each one-way valve 75 is respectively connected with the PLC control system. A flow sensor 78 is further arranged between the hot water circulating pump 4 and the instant heater 5, and the flow sensor 78 is connected with the PLC control system.
The principle in this embodiment is as follows: firstly, the temperature of the liquid medicine is set according to the process requirements, the temperature sensor 6 feeds back real-time temperature signals of the chemical liquid medicine in the liquid storage tank 1, the temperature sensor 6 transmits the signals to the PLC control system, and the PLC control system controls the start and stop of the hot water circulating pump 4 and the on and off of different one-way valves 75 in the circulating pipeline, so that the cold water and the hot water in the heat exchange coil 2 are alternately switched. Simultaneously under agitating unit 8's effect, the temperature that reaches more accurate control chemical liquid medicine is at setting for the temperature range, and agitating unit 8 works always at whole in-process, guarantees chemical liquid medicine and heat exchange coil 2's abundant contact, and the temperature of guaranteeing chemical liquid medicine in the reservoir 1 simultaneously is even, effectively guarantees the quality of product, improves the yield and the production efficiency of product.
The specific cold and hot circulation process is as follows: when the temperature of the chemical liquid medicine is lower than the set temperature, the temperature sensor 6 outputs a signal to the PLC control system, the PLC control system controls the hot water circulating pump 4 to start, and meanwhile, the one-way valves 75 on the hot water inlet pipe 72 and the hot water outlet pipe 71 are opened. For more accurate control of water flow, the flow sensor 78 is arranged to sense the passing of water flow and output a signal to the PLC control system, the PLC control system starts the instant heater 5, hot water further rises in temperature and then enters the heat exchange coil 2 to exchange heat with chemical liquid medicine in the liquid storage tank 1, the PLC control system controls the hot water circulating pump 4 to stop after the temperature of liquid in the liquid storage tank 1 rises to a set temperature, and simultaneously controls the one-way valves 75 on the hot water inlet pipe 72 and the hot water outlet pipe 71 to close, and the instant heater 5 stops heating. Meanwhile, when the temperature of the liquid medicine is higher than the set temperature, the temperature sensor 6 outputs a signal to the PLC control system, and the PLC control system controls the check valves 75 on the cold water inlet pipe 73 and the cold water outlet pipe 74 to be opened. At the moment, cold water enters the heat exchange coil 2 to exchange heat with the chemical liquid in the liquid storage tank 1, so that the temperature of the liquid in the liquid storage tank 1 is reduced to a set temperature.
Preferably, in order to ensure that the stirring device 8 can stir sufficiently, the bottom of the stirring device 8 is provided with a higher-level stirring blade and a lower-level stirring blade, the higher-level stirring blade and the lower-level stirring blade are arranged in a staggered manner, i.e., the higher-level stirring blade and the lower-level stirring blade have an intersection angle when viewed from a top view, and the intersection angle is 90 degrees as the best.
Preferably, the water inlet of the cache groove 3 is also communicated with a water replenishing pipe 76, the water replenishing pipe 76 is provided with a water replenishing electromagnetic valve 77, and the water replenishing electromagnetic valve is connected with the PLC control system. Still be provided with low level sensor 31, meso position level sensor 32, high level sensor 33 in the buffer tank 3, low level sensor 31, meso position level sensor 32, high level sensor 33 are connected with PLC control system respectively.
In the exchange process of hot water and cold water, the water quantity in the whole circulation pipeline is reduced, so a water replenishing measure needs to be added to ensure that the water quantity in the circulation pipeline is kept stable. The specific water replenishing principle is as follows: a high-level liquid level sensor 33, a middle-level liquid level sensor 32 and a low-level liquid level sensor 31 are arranged in the cache tank 3, in the normal working process, when the liquid level in the cache tank 3 reaches the middle level, the middle-level liquid level sensor 32 transmits a signal to the PLC control system, the PLC control system controls the water replenishing electromagnetic valve 77 to be opened, and water replenishing is started in the cache tank 3; when water enters to a high liquid level, the high liquid level sensor transmits a signal to the PLC control system, the PLC control system controls the water replenishing electromagnetic valve 77 to be closed, and the cache tank 3 stops replenishing water; when the liquid level in the buffer tank 3 reaches the low level, the low level liquid level sensor 31 transmits a signal to the PLC control system, the hot water circulating pump 4 cannot be started to work at the moment, the low level liquid level sensor 31 outputs a signal to the PLC control system, the PLC control system controls the water replenishing electromagnetic valve 77 on the water replenishing pipe 76 to be opened, and the water replenishing electromagnetic valve 77 is closed when the water is replenished to the high liquid level.
It should be noted that, in this embodiment, each of the pipes and the tank body is made of an anticorrosive material, so as to prevent corrosion of the chemical liquid to the components and ensure the quality of the equipment.
By adopting the technical scheme, the chemical liquid medicine realizes automatic temperature monitoring under the condition of manually switching the valves without manual monitoring, and the chemical liquid medicine is fed back to the opening and closing of different valves in the automatic switching circulation pipeline of the PLC control system through the temperature sensor to control the switching of cold and hot water in the heat exchange coil pipe, so that the heat exchange speed is high, the temperature control is accurate, the liquid medicine temperature is uniform, the integrity of the whole process is ensured, and the process efficiency is improved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. An automatic constant temperature equipment of chemistry liquid medicine which characterized in that: the system comprises a liquid storage tank, a heat exchange coil, a cache tank, a hot water circulating pump, an instant heater, a circulating pipeline, a temperature sensor and a PLC control system, wherein the temperature sensor and the heat exchange coil are positioned in the liquid storage tank, and the temperature sensor, the hot water circulating pump and the instant heater are respectively connected with the PLC control system;
the circulating pipeline comprises a hot water outlet pipe, a hot water inlet pipe, a cold water outlet pipe and a cold water inlet pipe, the water outlet of the heat exchange coil is communicated with the water inlet of the cache tank through the hot water outlet pipe, the water outlet of the cache tank is communicated with the water inlet of the heat exchange coil through the hot water inlet pipe, the hot water inlet pipe is provided with a hot water circulating pump and an instant heater, the hot water circulating pump is communicated with the cache tank and the instant heater, the instant heater is communicated with the hot water circulating pump and the heat exchange coil, the water inlet of the heat exchange coil is also communicated with the cold water inlet pipe, and the water outlet of the;
the hot water outlet pipe, the hot water inlet pipe, the cold water outlet pipe and the cold water inlet pipe are respectively provided with a one-way valve, and each one-way valve is respectively connected with the PLC control system.
2. The automatic thermostat for chemical liquids as claimed in claim 1, characterized in that: and a stirring device is also arranged in the liquid storage tank.
3. The automatic thermostat for chemical liquids as claimed in claim 2, characterized in that: the stirring device is characterized in that a higher-level stirring blade and a lower-level stirring blade are arranged at the bottom of the stirring device in a staggered manner.
4. The automatic thermostat for chemical liquids as claimed in claim 1, characterized in that: the water inlet of the cache groove is also communicated with a water replenishing pipe, a water replenishing electromagnetic valve is arranged on the water replenishing pipe, and the water replenishing electromagnetic valve is connected with the PLC control system.
5. The automatic thermostat for chemical liquids as claimed in claim 4, characterized in that: the buffer tank is also provided with a low level liquid level sensor, a middle level liquid level sensor and a high level liquid level sensor, and the low level liquid level sensor, the middle level liquid level sensor and the high level liquid level sensor are respectively connected with the PLC control system.
6. The automatic thermostat for chemical liquids as claimed in claim 1, characterized in that: and a flow inductor is also arranged between the hot water circulating pump and the instant heater and is connected with the PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133523.4U CN211651306U (en) | 2020-01-20 | 2020-01-20 | Automatic constant temperature equipment of chemistry liquid medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133523.4U CN211651306U (en) | 2020-01-20 | 2020-01-20 | Automatic constant temperature equipment of chemistry liquid medicine |
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| CN211651306U true CN211651306U (en) | 2020-10-09 |
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| CN202020133523.4U Active CN211651306U (en) | 2020-01-20 | 2020-01-20 | Automatic constant temperature equipment of chemistry liquid medicine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463449A (en) * | 2022-09-13 | 2022-12-13 | 太极集团重庆涪陵制药厂有限公司 | Traditional chinese medicine constant temperature filtration system |
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2020
- 2020-01-20 CN CN202020133523.4U patent/CN211651306U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463449A (en) * | 2022-09-13 | 2022-12-13 | 太极集团重庆涪陵制药厂有限公司 | Traditional chinese medicine constant temperature filtration system |
| CN115463449B (en) * | 2022-09-13 | 2024-04-12 | 太极集团重庆涪陵制药厂有限公司 | Traditional chinese medicine constant temperature infiltration system |
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