CN205373504U - Controlling means of waste heat recovery system - Google Patents
Controlling means of waste heat recovery system Download PDFInfo
- Publication number
- CN205373504U CN205373504U CN201521143329.XU CN201521143329U CN205373504U CN 205373504 U CN205373504 U CN 205373504U CN 201521143329 U CN201521143329 U CN 201521143329U CN 205373504 U CN205373504 U CN 205373504U
- Authority
- CN
- China
- Prior art keywords
- module
- processing unit
- central processing
- temperature signal
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a controlling means of waste heat recovery system easy and simple to handle and can accurately control, it includes central processing unit, temperature signal enlargies the module, temperature signal analog input module, control signal analog output module, a display driving module and a printing driving module, central processing unit is connected with the temperature module via temperature signal analog input module, and central processing unit is connected with control signal analog output module and display driver module, the temperature signal who comes the self -rotation sensilla enlargies module and temperature signal analog input module input central processing unit via temperature signal, the control signal who comes from central processing unit inputs to temperature controller via control signal analog output module, and it inputs to the display via the display driver module to come from central processing unit's demonstration signal.
Description
Technical field
The present invention relates to the control device of a kind of residual neat recovering system.
Background technology
Waste heat belongs to secondary energy sources, and after the technical process such as the primary energy such as coal, oil, combustible gas is used for smelting, heating, metropolis produces various forms of waste heats.Generally, waste heat discharges with the form of flue gas, and on the one hand owing to flue gas air draft can cause direct pollution, the discharge of flue gas causes the waste of heat on the other hand.Thus, heat recovery is the important means realizing industrial energy saving consumption reduction, in industry extensive uses such as generating, building materials, chemical industry, metallurgy, oil, food, reclaim used heat to greatest extent, free domestic hot-water can be provided, reduce the waste heat discharge amount to air, there is good economy.
In waste heat, boiler exhaust gas is the residual heat resources that potentiality are very big, and high fume temperature had both wasted mass energy, causes again serious environmental thermal pollution.Vigorously advocating under the overall situation of " energy-saving and emission-reduction " utilization of energy policy in country, raising boiler efficiency, minimizing boiler blow-off amount just become extremely important.
Currently, waste heat reclaims usually by heat exchanger, and cold water workflow, for enter heat exchanger from heat exchanger end, enters economizer after utilizing fume afterheat heating, and in general after heat exchange, the efficiency of flue-gas temperature waste heat recovery is more high.But in actual use, owing to flue gas containing ash, water, sulfide, hydride etc., so flue-gas temperature is likely to too low.If flue-gas temperature is too low, then heat exchanger heat exchange surface can be made lower than acid dew-point temperature, and make the heavy corrosion of heat exchange metal.And owing to there is ash in flue gas, for ensureing that heat exchanger will not block up ash, it is therefore desirable to ensureing the heat exchange temperature dew point temperature higher than flue gas steam, the dust stratification making heat exchanger surface is dry ash state, is beneficial to the removing of dust.Thus needing to ensure that heat exchange temperature is higher than acid dew point and steam dew point.But prior art there is not yet such controller.
Summary of the invention
The present invention be directed to problems of the prior art and propose, its object is to provide the control device of residual neat recovering system that is a kind of easy and simple to handle and that can accurately control.
Adopt the following technical scheme that for realizing the purpose of the present invention.
The control device of the residual neat recovering system of technical scheme 1, including central processing unit, temperature signal amplification module, temperature signal analog input module, control signal analog output module, driver module, described central processing unit is connected with thermal module via temperature signal analog input module, and described central processing unit is connected with described control signal analog output module and described driver module, the temperature signal carrying out sensor inputs central processing unit via described temperature signal amplification module and described temperature signal analog input module, control signal from described central processing unit inputs to temperature controller via described control signal analog output module, and the display signal from described central processing unit inputs to display via driver module.
The control device of the residual neat recovering system of technical scheme 2, in the control device of the residual neat recovering system of technical scheme 1, the control device of described residual neat recovering system also includes the Acquisition Circuit State-output module and the control circuit State-output module that are connected with described central processing unit, the acquisition state of the Acquisition Circuit that temperature is acquired by the output of described Acquisition Circuit output module, the controlled state controlling short circuit that described control circuit State-output module o controller is controlled.
The control device of the residual neat recovering system of technical scheme 3, in the control device of the residual neat recovering system of technical scheme 1 or 2, the control device of described residual neat recovering system also includes the processor monitoring module being connected with described central processing unit.
Compared with prior art, the present invention has following beneficial effect.
The control device of the residual neat recovering system according to technical scheme 1, it includes central processing unit, temperature signal amplification module, temperature signal analog input module, control signal analog output module, driver module, the temperature signal carrying out sensor inputs central processing unit via temperature signal amplification module and temperature signal analog input module, from the control signal of central processing unit via the input of control signal analog output module to temperature controller, and from the display signal of central processing unit via driver module input to display.
By the control device of such residual neat recovering system, as long as the temperature signal constantly inputting flue gas and heat exchanger via temperature signal amplification module and temperature signal analog input module to central processing unit just can be processed by central processing unit automatically, control the valve opening of heat exchanger, ensure the temperature difference between oxygen and heat exchanger within the limits prescribed, and ensure that heat exchange temperature is higher than acid dew point and steam dew point.
And, as long as accessing the control device of the residual neat recovering system of the present invention, and individual parameters is modified, just can stably be controlled by heat exchanger, do not need technical staff's detail programming, decrease the workload of technical staff's field programming debugging, easy and simple to handle, and can effectively control organic efficiency, it is ensured that the successful implementation of waste heat recovery project.
Additionally, the control device of the residual neat recovering system according to technical scheme 2, the control device of residual neat recovering system also includes the Acquisition Circuit State-output module and the control circuit State-output module that are connected with central processing unit, it is thus possible to the state of the state of real-time output temperature Acquisition Circuit and heat exchanger control circuit, report to the police when breaking down.
Additionally, the control device of the residual neat recovering system according to technical scheme 3, the control device of residual neat recovering system also includes the processor monitoring module being connected with central processing unit, it is thus possible to when temperature acquisition and heat exchanger control to occur endless loop, automatically central processing unit is restarted, it is ensured that the trouble-free operation of central processing unit.
Accompanying drawing explanation
Fig. 1 indicates that the structured flowchart controlling device of the residual neat recovering system of the present invention.
Detailed description of the invention
Below, the control device of the residual neat recovering system of an example as the present invention is described based on accompanying drawing.
Fig. 1 indicates that the structured flowchart controlling device of the residual neat recovering system of the present invention.
As shown in Figure 1, the control device of the residual neat recovering system of the present invention includes central processing unit 10, temperature signal amplification module 20, temperature signal analog input module 30, control signal analog output module 40, driver module 50, central processing unit 10 is connected with thermal module 20 via temperature signal analog input module 30, and central processing unit 10 is connected with control signal analog output module 40 and driver module 50.
The temperature signal carrying out sensor inputs central processing unit 10 via temperature signal amplification module 20 and temperature signal analog input module 30, control signal from central processing unit 10 inputs to heat exchanger via control signal analog output module 40, and inputs to display from the display signal of central processing unit 10 via driver module 50.
Specifically, central processing unit is mainly made up of the single-chip microcomputer that model is AT89C55WD and the clock chip that model is PCF8563, completes various control function after write-in program.Temperature signal amplification module mainly has multiple signal amplifier to constitute, and the temperature signal for sensor in the future amplifies, in order to central processing unit processes.Temperature signal analog input module is mainly made up of the modulus conversion chip that model is TLC2543, is digital signal by the analog-signal transitions from temperature signal amplification module.Control signal analog output module is mainly made up of the analog-digital chip that model is TLV5616, and the digital control model from central processing unit is changed into analogue signal by it, controls heat exchanger.Driver module is mainly made up of the driving chip that model is 74LS245, is used for driving display.
Control device according to above-mentioned residual neat recovering system, it includes central processing unit, temperature signal amplification module, temperature signal analog input module, control signal analog output module, driver module, the temperature signal carrying out sensor inputs central processing unit via temperature signal amplification module and temperature signal analog input module, from the control signal of central processing unit via the input of control signal analog output module to temperature controller, and from the display signal of central processing unit via driver module input to display.
By the control device of such residual neat recovering system, as long as the temperature signal constantly inputting flue gas and heat exchanger via temperature signal amplification module and temperature signal analog input module to central processing unit just can be processed by central processing unit automatically, control the valve opening of heat exchanger, ensure the temperature difference between oxygen and heat exchanger within the limits prescribed, and ensure that heat exchange temperature is higher than acid dew point and steam dew point.
And, as long as accessing the control device of the residual neat recovering system of the present invention, and individual parameters is modified, just can stably be controlled by heat exchanger, do not need technical staff's detail programming, decrease the workload of technical staff's field programming debugging, easy and simple to handle, and can effectively control organic efficiency, it is ensured that the successful implementation of waste heat recovery project.
Additionally, the control device of residual neat recovering system can also include the Acquisition Circuit State-output module 60 and the control circuit State-output module 70 that are connected with central processing unit 10, the acquisition state of the Acquisition Circuit that temperature is acquired by the output of Acquisition Circuit output module, the controlled state controlling short circuit that control circuit State-output module o controller is controlled.It is thus possible to the state of the state of real-time output temperature Acquisition Circuit and heat exchanger control circuit, report to the police when breaking down.
Additionally; the control device of residual neat recovering system can also include the processor monitoring module 80 being connected with central processing unit 10; such as; processor monitoring module is mainly made up of the Single Chip Microcomputer (SCM) system monitoring chip that model is MAX691A; realize the functions such as reset, data storage write-protect, backup battery switching, power monitoring; it is thus possible to when temperature acquisition and heat exchanger control to occur endless loop, automatically restart central processing unit, it is ensured that the trouble-free operation of central processing unit.
It addition, the control device of the residual neat recovering system of the present invention, it is possible to formed by above-mentioned various structural groupings, above-mentioned effect can be played equally.
Above the control device of the residual neat recovering system of the preferred embodiment of the present invention is illustrated, but, the present invention is not limited to above-mentioned specific embodiment, without departing from scope of the claims, it is possible to carry out various deformation or change.Present invention resides in the various deformation in scope of the claims and change.
Claims (3)
1. the control device of a residual neat recovering system, it is characterised in that
Including central processing unit, temperature signal amplification module, temperature signal analog input module, control signal analog output module, driver module, described central processing unit is connected with thermal module via temperature signal analog input module, and described central processing unit is connected with described control signal analog output module and described driver module
The temperature signal carrying out sensor inputs central processing unit via described temperature signal amplification module and described temperature signal analog input module, from the control signal of described central processing unit via the input of described control signal analog output module to heat exchanger, and from the display signal of described central processing unit via driver module input to display.
2. the control device of residual neat recovering system according to claim 1, it is characterized in that, the control device of described residual neat recovering system also includes the Acquisition Circuit State-output module and the control circuit State-output module that are connected with described central processing unit, the acquisition state of the Acquisition Circuit that temperature is acquired by the output of described Acquisition Circuit output module, the controlled state controlling short circuit that described control circuit State-output module o controller is controlled.
3. the control device of residual neat recovering system according to claim 1 and 2, it is characterised in that the control device of described residual neat recovering system also includes the processor monitoring module being connected with described central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143329.XU CN205373504U (en) | 2015-12-31 | 2015-12-31 | Controlling means of waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143329.XU CN205373504U (en) | 2015-12-31 | 2015-12-31 | Controlling means of waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205373504U true CN205373504U (en) | 2016-07-06 |
Family
ID=56274818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521143329.XU Active CN205373504U (en) | 2015-12-31 | 2015-12-31 | Controlling means of waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205373504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466275A (en) * | 2015-12-31 | 2016-04-06 | 标能和信能源环保技术（天津）有限公司 | Controller of waste heat recovery system |
-
2015
- 2015-12-31 CN CN201521143329.XU patent/CN205373504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466275A (en) * | 2015-12-31 | 2016-04-06 | 标能和信能源环保技术（天津）有限公司 | Controller of waste heat recovery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205373504U (en) | Controlling means of waste heat recovery system | |
| CN101586803A (en) | Surplus heat utilization system of boiler for deeply reducing exhausted smoke temperature | |
| CN205026658U (en) | Utilize device of industry circulating fluidized bed boilerslagremoval heating bunker coal | |
| CN202692019U (en) | Flue gas waste heat recycling system of steam boiler | |
| CN205807468U (en) | A kind of boiler smoke heat is recycled device | |
| CN203797952U (en) | Intelligent gas water boiler with function of recovering condensation heat | |
| CN208649247U (en) | A kind of shaped fuel processing system improving biomass ash fusion point and calorific value | |
| CN203413655U (en) | Countercurrent condensed water preheating steam reheating heat exchanger | |
| CN105466275A (en) | Controller of waste heat recovery system | |
| CN204193580U (en) | A kind of heat supply sewage circular treatment equipment | |
| CN211011412U (en) | Waste heat furnace tail flue gas waste heat utilization system | |
| CN103657406A (en) | Low-temperature flue denitration system | |
| CN204063091U (en) | A kind of device for recovering afterheat of waste gas in boiler | |
| CN209279131U (en) | A kind of energy-saving heating boiler | |
| CN208011750U (en) | Coal fired boiler of power plant smoke discharging residual heat and moisture reclaiming system | |
| CN202057204U (en) | Waste gas desulfuration and dust control device of carbon calcining furnace | |
| CN207193316U (en) | A kind of novel blast-furnace exhaust heat of slag flushing water recovery system | |
| CN206531079U (en) | A kind of smoke waste heat utilization system of coal-burning boiler | |
| CN2807180Y (en) | Smoke residual heat utilization apparatus for rotary kiln | |
| CN201155799Y (en) | Plaster board organic heat carrier heating stove residual heat utilization device | |
| CN204943885U (en) | A kind of hen house biogas coal dual-purpose fuel boiler | |
| CN109173668B (en) | Cooling water waste heat recovery and desulfurization smoke plume elimination system and control method thereof | |
| CN207778413U (en) | A kind of dust-extraction unit of thermal power generation automatically reclaiming fume afterheat | |
| CN215676530U (en) | Sulfur-containing flue gas waste heat recovery device | |
| CN106765289A (en) | A kind of boiler fresh air preheating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |