CN213205913U - Energy-saving automatic control system for waste heat recovery of air compressor - Google Patents
Energy-saving automatic control system for waste heat recovery of air compressor Download PDFInfo
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- CN213205913U CN213205913U CN202021858270.3U CN202021858270U CN213205913U CN 213205913 U CN213205913 U CN 213205913U CN 202021858270 U CN202021858270 U CN 202021858270U CN 213205913 U CN213205913 U CN 213205913U
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Abstract
The utility model discloses an energy-conserving air compressor machine waste heat recovery automatic control system, including PLC control center, the data acquisition module that is used for gathering each item data, be used for handling the data processing module of the data of gathering, be used for storing default information's information storage module, be used for with the data of gathering and the comparison module of default comparison, be used for air compressor machine waste heat recovery's waste heat recovery system and be used for the alarm module to the high warning of header tank liquid level, data acquisition module's signal output part and PLC control center's signal input part are connected. The utility model discloses a set up waste heat temperature and gather, can survey the waste heat temperature of air compressor machine to send the data that detect into PLC control center, obtain under the corresponding temperature and need a lot of cooling water to cool off, then intake valve through PLC control center control waste heat recovery system is intake, carries out the ration cooling, avoids the water waste, guarantees that waste heat recovery is effectual.
Description
Technical Field
The utility model relates to a relevant technical field of air compressor machine specifically is an energy-conserving air compressor machine waste heat recovery automatic control system.
Background
An air compressor, namely an air compressor, is a device for compressing gas; the air compressor is similar to a water pump in structure, most of the air compressors are of a reciprocating piston type, rotating blades or rotating screws, and the air compressor is a main body in an air source device, is a device for converting mechanical energy of a prime mover (generally an electric motor) into gas pressure energy, and is an air pressure generating device for compressing air; compressed air is one of the most widely used power sources in industrial production, and is more and more widely used in the modern industrial field due to the advantages of safety, no pollution, good adjusting performance, convenient transportation and the like. However, a large amount of energy is consumed to obtain compressed air with excellent quality, and waste heat in the operation of the air compressor is not effectively recycled, so that waste heat resources are wasted.
Most of existing air compressor waste heat recovery systems utilize cooling water to take away waste heat, but when recovering the waste heat, the cooling water is not quantitatively used according to the quantity of the waste heat, so that the waste heat recovery effect is poor, the consumption of the cooling water is large, the resource waste is serious, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving air compressor machine waste heat recovery automatic control system to solve the most cooling water that utilizes of current air compressor machine waste heat recovery system who mentions in the above-mentioned background art and take away the waste heat, but when retrieving the waste heat, do not carry out the ration according to the waste heat and use to the cooling water, lead to the waste heat recovery effect not good, and the cooling water use amount is big, the serious problem of wasting of resources.
In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving automatic control system for waste heat recovery of an air compressor comprises a PLC control center, a data acquisition module for acquiring various data, a data processing module for processing the acquired data, an information storage module for storing preset value information, a comparison module for comparing the acquired data with a preset value, a waste heat recovery system for waste heat recovery of the air compressor and an alarm module for alarming the liquid level height of a water collecting tank, the signal output end of the data acquisition module is connected with the signal input end of the PLC control center, the data processing module, the comparison module and the information storage module are integrated in the PLC control center, the signal input end of the waste heat recovery system is connected with the signal output end of the PLC control center, the alarm module comprises an audible and visual alarm, and the signal input end of the alarm module is connected with the signal output end of the PLC control center.
Preferably, the data acquisition module comprises waste heat temperature acquisition, cooling water flow acquisition, cooling water pipe temperature acquisition and water collection tank liquid level acquisition.
Preferably, the waste heat temperature acquisition device comprises a waste heat temperature sensor, the waste heat temperature sensor is installed on the air compressor, and the waste heat temperature sensor detects the waste heat temperature of the air compressor.
Preferably, the cooling water flow collection device comprises a flow sensor, the flow sensor is installed at a water inlet of the cooling water pipe, and the flow sensor meters the water inflow of the cooling water pipe.
Preferably, the cooling water pipe temperature acquisition includes cooling water pipe temperature sensor, cooling water pipe temperature sensor installs on cooling water pipe, and cooling water pipe temperature sensor surveys the temperature of the water in the cooling water pipe.
Preferably, the collection of water tank liquid level includes level sensor, level sensor installs on the water tank, level sensor surveys the water level height in the water tank.
Preferably, the waste heat recovery system comprises a cooling water pipe, a water inlet valve, a drain valve and a water collecting tank, wherein one end of the cooling water pipe is connected with the water collecting tank, the drain valve is arranged at the joint of the cooling water pipe and the water collecting tank, and the water inlet valve is arranged at the water inlet end of the cooling water pipe.
The utility model provides an energy-conserving air compressor machine waste heat recovery automatic control system possesses following beneficial effect:
(1) the utility model discloses a set up waste heat temperature and gather, can survey the waste heat temperature of air compressor machine, and send the data that detect into PLC control center, contrast through the data in comparison module and the information storage module after data processing module handles, it needs a lot of cooling water to cool off to obtain corresponding temperature down, then intake valve through PLC control center control waste heat recovery system intakes, and gather the inflow through cooling water flow, when the inflow is the same with the inflow that the contrast obtained, then close the intake valve and intake valve through PLC control center and intake, retrieve the waste heat through the cooling water in the cooling water pipe, avoid the water waste, guarantee that waste heat recovery is effectual.
(2) The utility model discloses a set up condenser tube temperature and gather, when the temperature in condenser tube reaches the setting value, then open the drain valve through PLC control center, log raft in the condenser tube is to the header tank in, the condenser tube water temperature of collecting in the assurance header tank is up to standard, avoid the coolant water temperature not up to standard to lead to the not good phenomenon of residual heat recovery effect, and through setting up alarm module, when the water level height in the header tank reachs and predetermines alarm value, then start alarm module and report to the police and remind the staff, therefore, the safety is high, and convenient use.
Drawings
Fig. 1 is a schematic structural diagram of the overall module of the present invention;
fig. 2 is a schematic structural diagram of the data acquisition module of the present invention;
fig. 3 is the schematic structural diagram of the waste heat recovery system of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: an energy-saving automatic control system for waste heat recovery of an air compressor comprises a PLC control center, a data acquisition module for acquiring various data, a data processing module for processing the acquired data, an information storage module for storing preset value information, a comparison module for comparing the acquired data with a preset value, a waste heat recovery system for waste heat recovery of the air compressor and an alarm module for alarming the liquid level height of a water collecting tank, the signal output end of the data acquisition module is connected with the signal input end of the PLC control center, the data processing module, the comparison module and the information storage module are integrated in the PLC control center, the signal input end of the waste heat recovery system is connected with the signal output end of the PLC control center, the alarm module comprises an audible and visual alarm, and the signal input end of the alarm module is connected with the signal output end of the PLC control center.
The data acquisition module comprises waste heat temperature acquisition, cooling water flow acquisition, cooling water pipe temperature acquisition and water collection tank liquid level acquisition, and can acquire the waste heat temperature value of the air compressor by utilizing the waste heat temperature acquisition; collecting the amount of cooling water injected into a cooling water pipe by using cooling water flow collection; collecting the water temperature value in the cold water removal pipe by using the temperature collection of the cooling water pipe; and collecting the liquid level height of the cooling water in the water collecting tank by using the liquid level collection of the water collecting tank.
The waste heat temperature acquisition device comprises a waste heat temperature sensor, the waste heat temperature sensor is installed on the air compressor, the waste heat temperature sensor is used for detecting the waste heat temperature of the air compressor, the waste heat temperature value of the air compressor can be acquired by utilizing the waste heat temperature sensor, and the acquired waste heat temperature value is transmitted to the PLC control center.
The cooling water flow is gathered and is included flow sensor, flow sensor installs the water inlet at condenser tube, and flow sensor measurement condenser tube's inflow, can utilize flow sensor to survey the discharge of water of pouring into in the condenser tube to in sending into the PLC control center with the flow data who detects.
Condenser tube temperature acquisition includes condenser tube temperature sensor, condenser tube temperature sensor installs on condenser tube, and condenser tube temperature sensor surveys the temperature in the condenser tube, can utilize water pipe temperature sensor to survey the temperature in the condenser tube to send the temperature value that detects into PLC control center.
The water collecting tank liquid level collection comprises a liquid level sensor, the liquid level sensor is installed on the water collecting tank, the liquid level sensor detects the water level height in the water collecting tank, the liquid level height of cooling water in the water collecting tank can be detected by the liquid level sensor, and a detection result is sent into the PLC control center.
The waste heat recovery system comprises a cooling water pipe, a water inlet valve, a water outlet valve and a water collecting tank, wherein one end of the cooling water pipe is connected with the water collecting tank, the water outlet valve is arranged at the joint of the cooling water pipe and the water collecting tank, the water inlet valve is arranged at the water inlet end of the cooling water pipe, cooling water can be injected into the cooling water pipe, and waste heat of the air compressor is taken away by the cooling water in the cooling water pipe for recovery.
The energy-saving automatic control system for waste heat recovery of the air compressor is characterized in that when the system works, firstly, the cooling water amount required under different waste heat temperatures is set and stored in the information storage module, meanwhile, the critical value of the water temperature in the cooling water pipe and the liquid level height alarm value of the water collection tank are set and stored in the information storage module, then, the waste heat temperature of the air compressor is detected through the waste heat temperature sensor, the waste heat temperature value of the air compressor can be collected through the waste heat temperature sensor, the collected waste heat temperature value is transmitted to the PLC control center, the collected waste heat temperature value is processed through the data processing module and compared with the data in the information storage module through the comparison module to obtain the cooling water which is required to be used for cooling under the corresponding temperature, then, the PLC control center controls the water inlet valve of the waste heat recovery system to feed water, and the water inflow, when the water inflow is the same as the water inflow obtained by comparison, the water inlet valve is closed through the PLC control center to feed water, waste heat is recovered through cooling water in the cooling water pipe, water resource waste is avoided, and good waste heat recovery effect is ensured; the liquid level sensor can be used for detecting the water level height of the cooling water in the water collecting tank, the detection result is sent to the PLC control center, and when the water level height in the water collecting tank reaches a preset alarm value, the alarm module is started to alarm to remind workers, so that the safety is high, and the use is convenient; the utility model discloses can be according to the different residual heat value control different cooling water volumes of air compressor machine, the water economy resource, and waste heat recovery is effectual, convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An energy-saving automatic control system for waste heat recovery of an air compressor is characterized by comprising a PLC control center, a data acquisition module for acquiring various data, a data processing module for processing the acquired data, an information storage module for storing preset value information, a comparison module for comparing the acquired data with a preset value, a waste heat recovery system for waste heat recovery of the air compressor and an alarm module for alarming the liquid level height of a water collecting tank, the signal output end of the data acquisition module is connected with the signal input end of the PLC control center, the data processing module, the comparison module and the information storage module are integrated in the PLC control center, the signal input end of the waste heat recovery system is connected with the signal output end of the PLC control center, the alarm module comprises an audible and visual alarm, and the signal input end of the alarm module is connected with the signal output end of the PLC control center.
2. The energy-saving automatic control system for waste heat recovery of the air compressor as claimed in claim 1, wherein: the data acquisition module comprises waste heat temperature acquisition, cooling water flow acquisition, cooling water pipe temperature acquisition and water collection tank liquid level acquisition.
3. The energy-saving automatic control system for waste heat recovery of the air compressor as claimed in claim 2, wherein: the waste heat temperature acquisition device comprises a waste heat temperature sensor, the waste heat temperature sensor is installed on the air compressor, and the waste heat temperature sensor is used for detecting the waste heat temperature of the air compressor.
4. The energy-saving automatic control system for waste heat recovery of the air compressor as claimed in claim 2, wherein: the cooling water flow collection device comprises a flow sensor, wherein the flow sensor is installed at a water inlet of a cooling water pipe, and the flow sensor measures the water inflow of the cooling water pipe.
5. The energy-saving automatic control system for waste heat recovery of the air compressor as claimed in claim 2, wherein: the cooling water pipe temperature acquisition comprises a cooling water pipe temperature sensor, the cooling water pipe temperature sensor is installed on the cooling water pipe, and the cooling water pipe temperature sensor detects the water temperature in the cooling water pipe.
6. The energy-saving automatic control system for waste heat recovery of the air compressor as claimed in claim 2, wherein: the water collection tank liquid level collection device comprises a liquid level sensor, wherein the liquid level sensor is installed on the water collection tank, and the liquid level sensor is used for detecting the height of the water level in the water collection tank.
7. The energy-saving automatic control system for waste heat recovery of the air compressor as claimed in claim 1, wherein: the waste heat recovery system comprises a cooling water pipe, a water inlet valve, a drain valve and a water collecting tank, wherein one end of the cooling water pipe is connected with the water collecting tank, the drain valve is arranged at the joint of the cooling water pipe and the water collecting tank, and the water inlet valve is arranged at the water inlet end of the cooling water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858270.3U CN213205913U (en) | 2020-08-31 | 2020-08-31 | Energy-saving automatic control system for waste heat recovery of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858270.3U CN213205913U (en) | 2020-08-31 | 2020-08-31 | Energy-saving automatic control system for waste heat recovery of air compressor |
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| Publication Number | Publication Date |
|---|---|
| CN213205913U true CN213205913U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021858270.3U Active CN213205913U (en) | 2020-08-31 | 2020-08-31 | Energy-saving automatic control system for waste heat recovery of air compressor |
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| CN (1) | CN213205913U (en) |
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2020
- 2020-08-31 CN CN202021858270.3U patent/CN213205913U/en active Active
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