CN202219097U - Pressure assurance system for evaporator - Google Patents
Pressure assurance system for evaporator Download PDFInfo
- Publication number
- CN202219097U CN202219097U CN2011202928702U CN201120292870U CN202219097U CN 202219097 U CN202219097 U CN 202219097U CN 2011202928702 U CN2011202928702 U CN 2011202928702U CN 201120292870 U CN201120292870 U CN 201120292870U CN 202219097 U CN202219097 U CN 202219097U
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- steam
- control system
- pressure
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Abstract
The utility model relates to the field of concentration equipment, in particular to a control system for an evaporator. A pressure assurance system for the evaporator comprises a main evaporator body, wherein the main evaporator body comprises a steam inlet which is connected with a steam supply unit by a steam regulating valve; and the steam supply unit supplies steam to the main evaporator body. A pressure transmitter is arranged at the steam inlet; a signal output end of the pressure transmitter is connected with a PLC (programmable logic controller) control system; and a signal output end of the PLC control system is connected with the steam regulating valve. In the utility model, since the PLC control system is adopted, the pressure detection and the automatic regulation of the main evaporator body are realized, and the safe operation of the evaporator is ensured; in addition, the PLC control system is conveniently integrated into a local area network or the Ethernet to realize data sharing and facilitate debugging and communication.
Description
Technical field
The utility model relates to the concentrator field, is specifically related to a kind of evaporimeter and controls system.
Background technology
Steam pressure is the vaporizer body major parameter that must keep watch on and control in service, and the quality of its control quality directly has influence on the safe operation of evaporimeter.Existing steam pressure is regulated automatic control and the efficient operation that the mode that adopts Field adjustment usually is not easy to vaporizer body.
The utility model content
The purpose of the utility model is, provides a kind of evaporator pressure to guarantee system, solves the problems of the technologies described above.
The technical problem that the utility model solved can adopt following technical scheme to realize:
Evaporator pressure guarantees system; Comprise a vaporizer body, said vaporizer body comprises a steam inlet, and said steam inlet provides the steam supply unit of steam for vaporizer body through steam control valve connection one; It is characterized in that; Said steam inlet is provided with pressure transmitter, and the signal output part of said pressure transmitter connects PLC control system, and the signal output part that said PLC controls system connects said steam control valve.
Pressure-detecting device detects steam inlet pressure and returns PLC control system, regulates through the aperture realization steam pressure of PLC control system control steam control valve.PLC is on-the-spot with its high reliability, adaptation industrial process, and powerful characteristics such as network savvy are widely used in production process.
Said PLC control system establishes a LAN communication interface, and it is high that LAN has data communication speed, and the bit error rate is low, and communication protocol is fairly simple, and the fast advantage of standardized process.Be convenient to each switch board main body and interconnect, realize data sharing, convenient debugging and communication.
Said PLC control system is provided with the ethernet communication interface.Link to each other with the Ethernet of ICP/IP protocol through the ethernet communication module.Adopt the network control of ICP/IP protocol, can realize transfer of data, network development property is good simultaneously, and infrastructure is perfect.
Said PLC control system connects an alarm module; When the steam pressure that said pressure transmitter records is too high; Send signal through PLC control system and give alarm module prompting steam pressure too high, so that the operator is in time known pressure information and taken measures.
Said PLC control system connects a human-computer interaction interface, and said human-computer interaction interface is provided with the indicator lamp of indicated pressure state.
Said pressure transmitter adopts the wireless pressure transmitter, and said PLC control system is provided with wireless communication module, and said wireless pressure transmitter is controlled the wireless communication module communication of system, the transmission of realization signal through wireless mode and said PLC.
Said steam inlet also is provided with flow sensor, and the signal output part of said flow sensor connects said PLC and controls system, and the control of pressure can guarantee the pressure size through the control steam flow.Said flow sensor adopts mass flow sensor.
Said vaporizer body also comprises a vacuum system; Said vacuum system comprises vavuum pump; Be provided with the pressure sensor of detection system vacuum in the said vaporizer body; The signal output part of said pressure sensor connects said PLC control system, and said PLC control system connects the signal input part of said vavuum pump.Rationally, stable vacuum is one of primary condition that guarantees the efficient operation of evaporimeter.Detect the vacuum of vaporizer body through adopts pressure sensor, and pass through the control and regulation of PLC control system, guarantee the vacuum of reasonably stability, guarantee the efficient operation of vaporizer body.
Beneficial effect: owing to adopted technique scheme; The utility model adopts PLC control system to realize the pressure detecting of vaporizer body and regulates automatically; Guarantee the safe operation of evaporimeter; The system of PLC control simultaneously is convenient to be integrated in LAN or the Ethernet, realizes data sharing, convenient debugging and communication.
Description of drawings
Fig. 1 is that the circuit of the utility model connects sketch map.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, evaporator pressure guarantees system, comprises a vaporizer body, and vaporizer body comprises a steam inlet, and the steam inlet provides the steam supply unit of steam for vaporizer body through steam control valve connection one.The steam inlet is provided with pressure transmitter 21, and the signal output part of pressure transmitter 21 connects PLC control system 1, and the signal output part of PLC control system 11 connects steam control valve.Pressure transmitter 21 detection steam inlet pressure return PLC control system 11, regulate through the aperture realization steam pressure of PLC control system 11 control steam control valves.PLC is on-the-spot with its high reliability, adaptation industrial process, and powerful characteristics such as network savvy are widely used in production process.
The steam inlet also is provided with flow sensor 31, and the signal output part of flow sensor 31 connects PLC control system 11, and the control of pressure can guarantee the pressure size through the control steam flow.Flow sensor 31 adopts mass flow sensor.
Vaporizer body also comprises a vacuum system; Vacuum system comprises vavuum pump; Be provided with the pressure sensor of detection system vacuum in the vaporizer body, the signal output part of pressure sensor connects PLC control system 11, and PLC control system 11 connects the signal input part of vavuum pump.Rationally, stable vacuum is one of primary condition that guarantees the efficient operation of evaporimeter.Detect the vacuum of vaporizer body through adopts pressure sensor, and pass through the control and regulation of PLC control system, guarantee the vacuum of reasonably stability, guarantee the efficient operation of vaporizer body.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. evaporator pressure guarantees system; Comprise a vaporizer body, said vaporizer body comprises a steam inlet, and said steam inlet provides the steam supply unit of steam for vaporizer body through steam control valve connection one; It is characterized in that; Said steam inlet is provided with pressure transmitter, and the signal output part of said pressure transmitter connects PLC control system, and the signal output part that said PLC controls system connects said steam control valve.
2. evaporator pressure according to claim 1 guarantees system, it is characterized in that: said PLC control system establishes a LAN communication interface.
3. evaporator pressure according to claim 2 guarantees system, it is characterized in that: said pressure transmitter adopts the wireless pressure transmitter, and said PLC control system is provided with wireless communication module.
4. evaporator pressure according to claim 3 guarantees system, and it is characterized in that: said steam inlet also is provided with flow sensor, and the signal output part of said flow sensor connects said PLC and controls system.
5. evaporator pressure according to claim 4 guarantees system; It is characterized in that: said vaporizer body also comprises a vacuum system; Said vacuum system comprises vavuum pump; Be provided with the pressure sensor of detection system vacuum in the said vaporizer body, the signal output part of said pressure sensor connects said PLC control system, and said PLC control system connects the signal input part of said vavuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202928702U CN202219097U (en) | 2011-08-12 | 2011-08-12 | Pressure assurance system for evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202928702U CN202219097U (en) | 2011-08-12 | 2011-08-12 | Pressure assurance system for evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202219097U true CN202219097U (en) | 2012-05-16 |
Family
ID=46041135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202928702U Expired - Fee Related CN202219097U (en) | 2011-08-12 | 2011-08-12 | Pressure assurance system for evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202219097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097183A (en) * | 2020-01-14 | 2020-05-05 | 江苏中有信科技有限公司 | Pharmacy enrichment facility |
-
2011
- 2011-08-12 CN CN2011202928702U patent/CN202219097U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097183A (en) * | 2020-01-14 | 2020-05-05 | 江苏中有信科技有限公司 | Pharmacy enrichment facility |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20140812 |
|
| EXPY | Termination of patent right or utility model |