CN206431506U - A kind of total sulfur reacting furnace temperature control device - Google Patents
A kind of total sulfur reacting furnace temperature control device Download PDFInfo
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- CN206431506U CN206431506U CN201621231618.XU CN201621231618U CN206431506U CN 206431506 U CN206431506 U CN 206431506U CN 201621231618 U CN201621231618 U CN 201621231618U CN 206431506 U CN206431506 U CN 206431506U
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- temperature
- reacting furnace
- temperature sensor
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a kind of total sulfur reacting furnace temperature control device, including the first temperature sensor, digital display meter, relay and PLC, the signal output part of first temperature sensor is electrically connected with digital display meter, the output switch parameter port of the digital display meter is electrically connected with the On-off signal port of PLC, the output port of the PLC and the coil of relay are connected, AC power is electrically connected after the normally opened contact of the relay with the resistive heater in the reacting furnace, a hole parallel with burner hearth is provided with reacting furnace combustion chamber end face Shang Ju 2 ~ 3cm of center, described hole bosom is set as at sampling, first temperature sensor is fixedly installed at the sampling, first temperature sensor is used to measure the temperature at sampling.The utility model can accurately control reacting furnace furnace temperature, can be widely applied to hydrogen sulfide analyzer field.
Description
Technical field
The utility model is related to total sulfur reacting furnace temperature control device, belongs to total sulfur reacting furnace temperature control technology field.
Background technology
Hydrogen sulfide analyzer determines the concentration of hydrogen sulfide in sample gas generally by lead acetate paper with method, and it is technique behaviour
Make the important evidence that personnel judge purified gas sulfur content, if the exceeded consequence that causes of sulfur content be catalyst " poisoning ", it is necessary to
Catalyst is re-replaced, the time probably needs 1 month, catalyst presses 1 ton 150,000 yuan, lost altogether at 4.2 tons, direct economy is damaged
Lose at 630,000 yuan.Therefore, its accuracy is extremely important, and the concrete principle of hydrogen sulfide analyzer is as follows：When the gas of constant flow rate
When body sample flows through above the paper tape for being soaked with lead acetate, with lead acetate chemical reaction generation vulcanization occurs for the hydrogen sulfide in sample gas
Lead brown spot, reaction equation is：The PbS+2HAC of H2S+PbAC2 mono-.During reaction rate is speed and the sample gas of paper tape colour-darkening
H2S concentration is directly proportional, and the Mean Speed of paper tape colour-darkening is measured using photodetector system, you can learn the H2S in sample gas
Content.
In the prior art, total sulfur reacting furnace is to control electric furnace heating wire to heat by temperature control unit, makes reacting furnace temperature
Control is at 900 DEG C ~ 1000 DEG C.But in practical work process, generally by setting temperature patch on the furnace wall of reacting furnace
Switch, so as to be controlled to the temperature in reacting furnace.Due to often can not accurately determine the temperature value in reacting furnace, thus very
Hardly possible is accurately by the temperature control needed for reaction at 900 DEG C ~ 1000 DEG C, if temperature control is inaccurate, can often cause measurement
The inaccuracy of value.In addition, equipment comes into operation for a long time causes component aging or failure, in the prior art only by a patch
The break-make of piece temperature switch controls heating, it is difficult to realize monitoring to temperature, single control point also is difficult to ensure control electricity
The reliability on road, the adhesion of solid-state relay contact can burn out electric furnace heating wire and burn out, and directly affect analysis result, this be problem all
It can cause equipment can not normal work, and then impact analysis result.Moreover, temperature control condition of the prior art is to pass through
What the chip controls integrated circuit in PCB was realized, it can not realize temperature just after component breaks down in circuit board
Often control.
In summary, there is problems with the temperature control system of total sulfur reacting furnace of the prior art：1st, temperature control
It is inaccurate, it is impossible to accurate measurement temperature, it also cannot accurately control fire box temperature；2nd, temperature detect switch (TDS) is easily damaged, and causes total sulfur
Fire box temperature needed for reaction can not be controlled accurately；3rd, solid-state relay output end contact adhesion, causes current supply circuit to electric furnace
Silk continuous heating, lasting heating causes electric furnace heating wire to damage.
Utility model content
The utility model overcomes the shortcomings of that prior art is present, and technical problem to be solved is simple to provide a kind of structure
Singly, the total sulfur reacting furnace temperature control device of fire box temperature can accurately be controlled.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of total sulfur reacting furnace temperature control
Device processed, including reacting furnace, the first temperature sensor, digital display meter, relay and PLC, first temperature
The signal output part of sensor is electrically connected with digital display meter, the output switch parameter port of the digital display meter and PLC
The electrical connection of On-off signal port, the coil of the output port of the PLC and relay connects, alternating current
Source is electrically connected after the normally opened contact of the relay with the resistive heater in the reacting furnace, the reacting furnace combustion chamber end face
A hole parallel with burner hearth is provided with 2 ~ 3cm of Shang Ju centers, described hole bosom is set as at sampling, described first
Temperature sensor is fixedly installed at the sampling, and first temperature sensor is used to measure the temperature at sampling.
A kind of described total sulfur reacting furnace temperature control device, in addition to second temperature sensor, the second temperature are passed
Sensor is used in the actual temperature using the preceding measurement reacting furnace burner hearth position, and first temperature sensor is additionally operable in institute
When the measurement temperature for stating second temperature sensor respectively reaches low temperature reaction threshold value and high temperature threshold value, the temperature at measurement sampling.
The digital display meter includes low temperature and sets port and high temperature to set port, and the low temperature sets port to be used to input burner hearth
The temperature value at sampling when temperature reaches low temperature reaction threshold value, the high temperature sets port to be used to inputting fire box temperature and reach instead
The temperature value at sampling when answering high temperature threshold value, the temperature that the digital display meter is used to be inputted according to first temperature sensor is believed
Number temperature value for setting port and low temperature to set port to input with high temperature is compared, and is opened accordingly according to comparative result output
Pass amount signal gives the PLC, and the PLC is used for the switch inputted according to the digital display meter
Signal is measured, the break-make of the relay is controlled.
The model of the digital display meter：XWTA-9262VCP, the model of the relay：MYAN-J, the type of the PLC
Number it is：CPU224XPCNAC/DC/RLY, first temperature sensor and the second temperature sensor are thermocouple.
A diameter of 6mm of described hole, the depth of described hole is 130mm, and the low temperature reaction threshold value is 900 DEG C, institute
It is 1000 degrees Celsius to state reaction high temperature threshold value.
A kind of described total sulfur reacting furnace temperature control device, in addition to power supply unit, said supply unit are used for institute
Digital display meter, PLC and the reacting furnace is stated to power.
The utility model has the advantages that compared with prior art：Temperature control equipment of the present utility model includes
Digital display meter, relay and PLC, and be arranged at reacting furnace combustion chamber end face Shang Ju 2 ~ 3cm of center and be provided with
One hole parallel with burner hearth, described hole bosom is set as at sampling, and the utility model at sampling by setting
Put temperature sensor, by the temperature at temperature sensor monitors sampling, and by digital display meter, PLC and after
Electrical equipment controls the temperature in combustion chamber to control the actual temperature at sampling, make the temperature in combustion chamber be controlled in high temperature threshold value and
Between low temperature threshold, so as to realize the accurate control of total sulfur reacting furnace in-furnace temperature.
Brief description of the drawings
Fig. 1 is the electrical block diagram of total sulfur reacting furnace temperature control device of the present utility model；
Fig. 2 is the scheme of installation of the first temperature sensor of total sulfur reacting furnace temperature control device of the present utility model；
Fig. 3 is Fig. 2 profile.
Embodiment
It is right below in conjunction with specific embodiments and the drawings to make the technical solution of the utility model and advantage clearer
The technical solution of the utility model is clearly and completely described, it is clear that described embodiment is one of the present utility model
Divide embodiment, rather than whole embodiments；Based on the embodiment in the utility model, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, the scope of the utility model protection is belonged to.
As shown in figure 1, the utility model provides a kind of total sulfur reacting furnace temperature control device, including the first TEMP
Device 1, digital display meter 2, PLC 3 and relay 4, the signal output part and digital display meter of first temperature sensor 1
Electricity 2 is connected, and the output switch parameter port of the digital display meter 2 is electrically connected with the On-off signal port of PLC 3,
The output port of the PLC 3 is connected with the coil of relay 4, and AC power is normally opened through the relay 4
Electrically connected behind contact 41 with the resistive heater 5 in reacting furnace.As shown in Figures 2 and 3, the combustion chamber end face Shang Ju centers 2 of reacting furnace 7
A hole 71 parallel with burner hearth is provided with ~ 3cm, the bosom of described hole 71 is set as 72 at sampling, the first temperature is passed
Sensor 1 is fixedly installed at the sampling, and first temperature sensor 1 is used to measure the temperature at the sampling.
Wherein, described total sulfur reacting furnace temperature control device, in addition to second temperature sensor, the second temperature is passed
Sensor is used in the actual temperature using the preceding measurement reacting furnace burner hearth position 73, and first temperature sensor is additionally operable to
When the measurement temperature of the second temperature sensor respectively reaches low temperature reaction threshold value and high temperature threshold value, the temperature at measurement sampling
Degree.Specifically, before use, second temperature sensor to be put into the burner hearth position of reacting furnace, and by second temperature sensor
Signal output part is connected with temperature indicating device, and reacting furnace is heated by resistive heater, works as second temperature sensor
Temperature reach low temperature reaction threshold temperature, such as at 900 degrees Celsius, regard the temperature of first temperature sensor as low temperature
Corrected threshold note T1 records, high temperature threshold value temperature is reacted when the temperature of second temperature sensor reaches, such as, will at 1000 degrees Celsius
The temperature of first temperature sensor is recorded as high temperature corrected threshold T2.Wherein, temperature indicating device can be digital display meter,
When second temperature sensor is thermocouple, temperature indicating device can also be universal meter, and the thermoelectricity is measured by universal meter
Even resistance value, you can to know corresponding temperature value.
Wherein, the digital display meter includes low temperature setting port and high temperature sets port, and it is defeated that the low temperature sets port to be used for
Enter the temperature value at sampling when fire box temperature reaches low temperature reaction threshold value, i.e., described low temperature corrected threshold temperature T1；The height
Temperature sets port to be used to inputting the temperature value at sampling when fire box temperature reaches reaction high temperature threshold value, i.e. high temperature correction threshold
It is worth temperature T2.Temperature signal and the high temperature school that the digital display meter is used to being inputted according to first temperature sensor set port and
The temperature value that low temperature sets port to set is compared, and exports corresponding on-off model to the PLC according to comparative result
Programmable controller, the PLC is used for the on-off model inputted according to the digital display meter, control it is described after
The break-make of electrical equipment.
Wherein, the XWTA-9262VCP that the model of the digital display meter can produce for Jiangsu Hongguang Instrument Factory Co., Ltd.,
The model of the relay can be：MYAN-J, the PLC model can be OMRON CPU224XPCNAC/DC/RLY systems
Row, first temperature sensor and the second temperature sensor are thermocouple.
Wherein, a diameter of 6mm of described hole, the depth of described hole is 130mm, and the low temperature reaction threshold value is 900
DEG C, the reaction high temperature threshold value is 1000 degrees Celsius.
Total sulfur reacting furnace temperature control device of the present utility model, can also include power supply unit 6, said supply unit 6
For being powered to the digital display meter, PLC.
The use process of the temperature control equipment of total sulfur reacting furnace of the present utility model is as follows：
S01, second temperature sensor is set in burner hearth, and the second temperature sensor and temperature indicating device are connected
Connect；
S02, reacting furnace is heated, measures the temperature of the first temperature sensor and the temperature of second temperature sensor,
And the temperature T1 of the first temperature sensor when the temperature of second temperature sensor is 900 DEG C is recorded, and when second temperature is passed
When the temperature of sensor is 1000 DEG C, the temperature T2 of the first temperature sensor；
S03, taking-up second temperature sensor, and digital display meter is configured, by the high temperature corrected threshold of the digital display meter
T2 is set to, low temperature corrected threshold is set to T1；
S04, relay and PLC are accessed to circuit, digital display meter is corrected to the temperature at sampling and high temperature
Threshold value and low temperature corrected threshold are compared, and output switch amount signal gives the PLC programmable control circuits, and the PLC can
Programming Control circuit controls the actuating of relay according to the on-off model.
Specifically, the course of work of the present utility model can be：When the measurement temperature of first temperature sensor is less than
During low temperature corrected threshold T1, the digital display meter exports low temperature set signal to the PLC programmable control circuits, and the PLC can
Programming Control circuit exports high level to the relay, controls the relay to obtain electric, close according to the low temperature set signal
Close the resistive heater of reacting furnace；When the measurement temperature of the second temperature sensor is higher than the high temperature corrected threshold T2,
The digital display meter exports high temperature reset signal to the PLC programmable control circuits, and the PLC programmable control circuits are according to institute
High temperature reset signal is stated, relay electric-loss described in output low level control disconnects the resistive heater of reacting furnace.
The utility model realizes the real-time monitoring and control to reacting furnace temperature, and instrument patrol officer can pass through daily
Digital display meter it is known that reaction in-furnace temperature whether meet requirement, when a problem occurs, can be pinpointed the problems simultaneously with the very first time
Problem is solved in a short time, it is ensured that the uninterrupted monitoring to purified gas.
Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Embodiment is stated, in the knowledge that those of ordinary skill in the art possess, the utility model objective can also not departed from
On the premise of various changes can be made.
Claims (6)
1. a kind of total sulfur reacting furnace temperature control device, including reacting furnace, it is characterised in that：Also include the first temperature sensor,
Digital display meter, relay and PLC, the signal output part of first temperature sensor are electrically connected with digital display meter,
The output switch parameter port of the digital display meter is electrically connected with the On-off signal port of PLC, and the PLC can be compiled
The coil of the output port of range controller and relay is connected, AC power after the normally opened contact of the relay with it is described anti-
Answer the resistive heater in stove to electrically connect, one is provided with the reacting furnace combustion chamber end face Shang Ju 2 ~ 3cm of center and is put down with burner hearth
Capable hole, described hole bosom is set as at sampling, and first temperature sensor is fixedly installed at the sampling, institute
Stating the first temperature sensor is used to measure the temperature at sampling.
2. a kind of total sulfur reacting furnace temperature control device according to claim 1, it is characterised in that also including second temperature
Sensor, the second temperature sensor is used in the actual temperature using the preceding measurement reacting furnace burner hearth position, and described the
One temperature sensor is additionally operable to respectively reach low temperature reaction threshold value and high temperature threshold in the measurement temperature of the second temperature sensor
During value, the temperature at measurement sampling.
3. a kind of total sulfur reacting furnace temperature control device according to claim 2, it is characterised in that the digital display meter includes
Low temperature sets port and high temperature sets port, when the low temperature setting port reaches low temperature reaction threshold value for inputting fire box temperature
Sampling at temperature value, the high temperature sets port to be used to inputting at sampling when fire box temperature reaches reaction high temperature threshold value
Temperature value, the temperature signal that the digital display meter is used to be inputted according to first temperature sensor sets port and low temperature with high temperature
Setting the temperature value of port input to be compared, and exporting corresponding on-off model according to comparative result can compile to the PLC
Range controller, the PLC is used for the on-off model inputted according to the digital display meter, controls the relay
Break-make.
4. a kind of total sulfur reacting furnace temperature control device according to claim 3, it is characterised in that the type of the digital display meter
Number it is：XWTA-9262VCP, the model of the relay：MYAN-J, the model of the PLC：CPU224XPCNAC/DC/
RLY, first temperature sensor and the second temperature sensor are thermocouple.
5. a kind of total sulfur reacting furnace temperature control device according to claim 2, it is characterised in that the diameter of described hole
For 6mm, the depth of described hole is 130mm, and the low temperature reaction threshold value is 900 DEG C, and the reaction high temperature threshold value is taken the photograph for 1000
Family name's degree.
6. a kind of total sulfur reacting furnace temperature control device according to claim 1, it is characterised in that also single including power supply
Member, said supply unit is used to power to the digital display meter, PLC and the reacting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231618.XU CN206431506U (en) | 2016-11-17 | 2016-11-17 | A kind of total sulfur reacting furnace temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231618.XU CN206431506U (en) | 2016-11-17 | 2016-11-17 | A kind of total sulfur reacting furnace temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206431506U true CN206431506U (en) | 2017-08-22 |
Family
ID=59589135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231618.XU Withdrawn - After Issue CN206431506U (en) | 2016-11-17 | 2016-11-17 | A kind of total sulfur reacting furnace temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206431506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527535A (en) * | 2016-11-17 | 2017-03-22 | 山西潞安煤基合成油有限公司 | Temperature control device and method for total sulfur reaction furnace |
-
2016
- 2016-11-17 CN CN201621231618.XU patent/CN206431506U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527535A (en) * | 2016-11-17 | 2017-03-22 | 山西潞安煤基合成油有限公司 | Temperature control device and method for total sulfur reaction furnace |
| CN106527535B (en) * | 2016-11-17 | 2018-11-20 | 山西潞安煤基合成油有限公司 | Total sulfur reacting furnace temperature control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170822 Effective date of abandoning: 20181120 |