CN211669153U - Multichannel coke oven gas monitoring facilities - Google Patents
Multichannel coke oven gas monitoring facilities Download PDFInfo
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- CN211669153U CN211669153U CN201921639871.2U CN201921639871U CN211669153U CN 211669153 U CN211669153 U CN 211669153U CN 201921639871 U CN201921639871 U CN 201921639871U CN 211669153 U CN211669153 U CN 211669153U
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Abstract
The utility model discloses a multichannel coke oven gas monitoring facilities, include: the device comprises at least two sampling probes, sampling pipes connected with the sampling probes, electromagnetic valves arranged on the sampling pipes, and a control cabinet connected with the sampling pipes; be provided with in the switch board: the system comprises a pretreatment system, an oxygen content analyzer connected with the pretreatment system, a PLC controller and a display terminal; the PLC is in communication connection with the electromagnetic valve, the pretreatment system, the display terminal and the oxygen content analyzer; the pretreatment system comprises: the gas-liquid separation module is respectively connected with the gas conveying module and the liquid conveying module; the sampling pipe is connected with the gas-liquid separation module, and the gas conveying module is connected with the oxygen content analyzer. The utility model discloses a steerable a plurality of sampling probe of switch board need not to set up a plurality of switch boards and controls, and effectual reduction in production cost reduces equipment management work load simultaneously.
Description
Technical Field
The utility model relates to a coke oven gas monitoring facilities field especially relates to a multichannel coke oven gas monitoring facilities.
Background
Coke oven gas, which is a combustible gas produced during the production of coke and tar products after high-temperature dry distillation in a coke oven, is a byproduct of the coking industry, and generally, about 450 cubic meters of coke gas can be produced from one ton of coke coal, and the main components of the coke oven gas are hydrogen, methane, carbon monoxide and the like. In order to utilize the coke oven gas as efficiently and reasonably as possible, improve the utilization rate of the coke oven gas to the maximum extent and improve the enthusiasm of enterprises for utilizing the coke oven gas, the accurate content of each gas component in the coke oven gas can be detected by coke oven gas detection equipment in real time to guide the adjustment of the combustion process in real time.
In the existing coke oven gas detection equipment, one control cabinet can only control one sampling probe, and cannot control a plurality of sampling probes, however, the detection of the coke oven gas generally needs to use a plurality of sampling probes, so that a plurality of control cabinets are required to be arranged for control, and the production cost and the equipment management workload are increased.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, providing a multichannel coke oven gas monitoring facilities, solving prior art, a plurality of sampling probes of switch board uncontrollable lead to the problem that manufacturing cost and equipment management work load increase.
The technical scheme of the utility model as follows: a multi-channel coke oven gas monitoring apparatus comprising: the device comprises at least two sampling probes, sampling pipes connected with the sampling probes, electromagnetic valves arranged on the sampling pipes, and a control cabinet connected with the sampling pipes; be provided with in the switch board: the system comprises a pretreatment system, an oxygen content analyzer connected with the pretreatment system, a PLC controller and a display terminal; the PLC is in communication connection with the electromagnetic valve, the pretreatment system, the display terminal and the oxygen content analyzer; the pretreatment system comprises: the gas-liquid separation module is respectively connected with the gas conveying module and the liquid conveying module; the sampling pipe is connected with the gas-liquid separation module, and the gas conveying module is connected with the oxygen content analyzer. The sampling probe extracts sample gas from a main pipeline to be sampled, the sample gas is conveyed to a gas-liquid separation module of a pretreatment system through a sampling pipe, the gas-liquid separation module performs gas-liquid separation treatment on the sample gas, the sample gas is further conveyed to a gas conveying module, the gas conveying module performs corresponding treatment and then conveys the sample gas to an oxygen content analyzer, the oxygen content analyzer analyzes the sample gas, a concentration value of oxygen in the sample gas is measured, an analysis result is sent to a PLC (programmable logic controller), the PLC controller further sends the analysis result to a display terminal, and the display terminal displays the concentration value of the oxygen in the sample gas; at least two sampling probes are arranged, namely a plurality of sampling probes can be arranged according to the requirement, the PLC controls the sampling of the plurality of sampling probes by controlling the switch of the electromagnetic valve connected with the sampling probes, when the electromagnetic valve connected with the first sampling probe is opened, the electromagnetic valves connected with other sampling probes are closed, the sampling pipe connected with the first sampling probe carries out the conveying of the sample gas, after two minutes of intermittence, the PLC controller controls the electromagnetic valve connected with the second sampling probe to be opened, the electromagnetic valves connected with other sampling probes are closed, the sampling pipe connected with the second sampling probe carries out the conveying of the sample gas, the electromagnetic valves connected with a plurality of the sampling probes are opened in sequence, thereby realize a switch board control a plurality of sampling probes, need not to set up a plurality of switch boards and control, effectual reduction in production cost reduces equipment management work load simultaneously.
Further, the gas-liquid separation module includes: the device comprises a first filter, a second filter, a condenser, a plurality of gas conveying pipes, an air suction pump, an exhaust pipe and a flow regulating valve; the first filter is connected with the second filter through a gas conveying pipe, the second filter is connected with the air pump through a gas conveying pipe, and the air pump is connected with the condenser through a gas conveying pipe; a gas conveying pipe between the air suction pump and the condenser is communicated with one end of the flow regulating valve, and the other end of the flow regulating valve is connected with an exhaust pipe; the sampling tube is connected with the first filter. After entering the gas-liquid separation module, the sample gas sequentially enters a first filter and a second filter for dehydration treatment, the sample gas after the two times of dehydration treatment is pumped out by an air pump and then is conveyed into a condenser through a gas conveying pipe, the condenser is cooled, and the sample gas after the treatment of the condenser is conveyed to a liquid conveying module; the sample gas is processed by the first filter, the second filter and the condenser to separate water, and the separated water is conveyed to the liquid conveying module.
Further, the liquid delivery module includes: a plurality of liquid conveying pipes, a first peristaltic pump, a second peristaltic pump, a third peristaltic pump and a drain pipe; the two ends of the first peristaltic pump are respectively connected with the first filter and the drain pipe through liquid conveying pipes, the two ends of the second peristaltic pump are respectively connected with the second filter and the drain pipe through liquid conveying pipes, and the two ends of the third peristaltic pump are respectively connected with the condenser and the drain pipe through liquid conveying pipes. The water separated after the sample gas is processed by the first filter, the second filter and the condenser is pumped into the liquid conveying pipe by the first peristaltic pump, the second peristaltic pump and the third peristaltic pump respectively, and is further conveyed to the drain pipe by the liquid conveying pipe and is discharged outwards by the drain pipe.
Further, the gas delivery module comprises: a third filter, a fourth filter, a sample gas pipe and a standard gas pipe; the condenser pass through gas delivery pipe with the third filter is connected, the third filter passes through the sample trachea with the fourth filter is connected, the fourth filter pass through the sample trachea with oxygen content analysis appearance is connected, the mark trachea with sample trachea intercommunication. After the sample gas is treated by the gas-liquid separation module, the sample gas is transmitted into a third filter through a gas transmission pipe by a condenser, and is dried by the third filter and a fourth filter respectively, after the drying treatment is finished, the sample gas is introduced into a standard gas pipe, the dried sample gas in the sample gas pipe is mixed with the standard gas, and the mixed gas is further transmitted to an oxygen content analyzer through the sample gas pipe.
Further, a three-way valve is arranged on a sample gas pipe connected between the fourth filter and the oxygen content analyzer; the gas marking pipe is communicated with the sample gas pipe through the three-way valve.
Furthermore, a first filter paper layer and a second filter paper layer are arranged in the sample gas pipe between the three-way valve and the oxygen content analyzer.
Further, the first filter and the second filter are both water removal filters, and the third filter and the fourth filter are both drying filters.
Furthermore, a heat tracing pipeline is arranged on the outer surface of the sampling pipe between the electromagnetic valve and the pretreatment system; the number of the sampling probes is 4. Set up 4 sampling probes, the switch of the solenoid valve that 4 sampling probes of PLC controller control are connected, 4 solenoid valves are opened in proper order, and two adjacent solenoid valve on-off interval is 2 minutes, and 4 solenoid valves of PLC controller control circulate in proper order and open, realize that 4 sampling probes of a switch board control have effectively practiced thrift manufacturing cost.
Further, the display terminal is an industrial tablet computer.
Further, the model of the PLC controller is as follows: 6ES7288-1SR60-0AA0, and the model of the oxygen content analyzer is ES 80Y-400-01.
Adopt above-mentioned scheme, the utility model provides a multichannel coke oven gas monitoring facilities draws sample gas through sampling probe in the trunk line that will sample, carry to pretreatment systems's gas-liquid separation module through the sampling pipe, gas-liquid separation module carries out gas-liquid separation to sample gas and handles, further send sample gas to gas transport module, carry out corresponding processing back by gas transport module, carry for oxygen content analysis appearance, oxygen content analysis appearance analyzes sample gas, measure the concentration value of oxygen in the sample gas, and send the analysis result to the PLC controller, further send for display terminal by the PLC controller, display terminal shows the concentration value of oxygen in the sample gas; at least two sampling probes are arranged, namely a plurality of sampling probes can be arranged according to the requirement, the PLC controls the sampling of the plurality of sampling probes by controlling the switch of the electromagnetic valve connected with the sampling probes, when the electromagnetic valve connected with the first sampling probe is opened, the electromagnetic valves connected with other sampling probes are closed, the sampling pipe connected with the first sampling probe carries out the conveying of the sample gas, after two minutes of intermittence, the PLC controller controls the electromagnetic valve connected with the second sampling probe to be opened, the electromagnetic valves connected with other sampling probes are closed, the sampling pipe connected with the second sampling probe carries out the conveying of the sample gas, the electromagnetic valves connected with a plurality of the sampling probes are opened in sequence, thereby realize a switch board control a plurality of sampling probes, need not to set up a plurality of switch boards and control, effectual reduction in production cost reduces equipment management work load simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a gas circuit diagram of the present invention;
fig. 3 is a circuit diagram of the present invention.
Wherein: the device comprises a sampling probe 1, a sampling pipe 2, an electromagnetic valve 3, a control cabinet 4, a pretreatment system 5, an oxygen content analyzer 6, a PLC (programmable logic controller) 7, a display terminal 8, a first filter 9, a second filter 10, a condenser 11, an air suction pump 12, a flow regulating valve 13, a third filter 14, a fourth filter 15, a three-way valve 16, a first filter paper layer 17, a second filter paper layer 18, a sample gas pipe 19, a standard gas pipe 20, a heat tracing pipeline 21, a first peristaltic pump 22, a second peristaltic pump 23 and a third peristaltic pump 24.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the utility model provides a multichannel coke oven gas monitoring equipment, including: the device comprises at least two sampling probes 1, sampling pipes 2 connected with the sampling probes 1, electromagnetic valves 3 arranged on the sampling pipes 2, and a control cabinet 4 connected with the sampling pipes 2; be provided with in the switch board 4: the system comprises a pretreatment system 5, an oxygen content analyzer 6 connected with the pretreatment system 5, a PLC (programmable logic controller) 7 and a display terminal 8; the PLC 7 is in communication connection with the electromagnetic valve 3, the pretreatment system 5, the display terminal 8 and the oxygen content analyzer 6; the pretreatment system 5 includes: the gas-liquid separation module is respectively connected with the gas conveying module and the liquid conveying module; the sampling pipe 2 is connected with the gas-liquid separation module, and the gas conveying module is connected with the oxygen content analyzer 6. The sampling probe 1 extracts sample gas from a main pipeline to be sampled, the sample gas is conveyed to a gas-liquid separation module of a pretreatment system 5 through a sampling pipe 2, the gas-liquid separation module performs gas-liquid separation treatment on the sample gas, the sample gas is further conveyed to a gas conveying module, the gas conveying module performs corresponding treatment and then conveys the sample gas to an oxygen content analyzer 6, the oxygen content analyzer 6 analyzes the sample gas, a concentration value of oxygen in the sample gas is measured, an analysis result is sent to a PLC (programmable logic controller) 7, the analysis result is further sent to a display terminal 8 through the PLC 7, and the display terminal 8 displays the concentration value of the oxygen in the sample gas; at least two sampling probes 1 are arranged, namely a plurality of sampling probes 1 can be arranged according to the requirement, the PLC 7 controls the sampling of the sampling probes 1 by controlling the switch of the electromagnetic valve 3 connected with the sampling probes 1, when the electromagnetic valve 3 connected with the first sampling probe is opened, the electromagnetic valves 3 connected with other sampling probes 1 are closed, the sampling pipe 2 connected with the first sampling probe carries out the sample gas conveying, after two minutes of intermittence, the PLC 7 controls the electromagnetic valve 3 connected with the second sampling probe to be opened, the electromagnetic valves 3 connected with other sampling probes 1 are closed, the sampling pipe 2 connected with the second sampling probe carries out the sample gas conveying, the electromagnetic valves 3 connected with the arranged sampling probes 1 are opened in sequence, thereby realizing that one control cabinet 4 controls the sampling probes 1 without arranging a plurality of control cabinets 4 for controlling, the production cost is effectively reduced, and the workload of equipment management is reduced.
The gas-liquid separation module includes: the device comprises a first filter 9, a second filter 10, a condenser 11, a plurality of gas conveying pipes, an air pump 12, an exhaust pipe and a flow regulating valve 13; the first filter 9 is connected with the second filter 10 through a gas conveying pipe, the second filter 10 is connected with the air pump 12 through a gas conveying pipe, and the air pump 12 is connected with the condenser 11 through a gas conveying pipe; a gas conveying pipe between the air suction pump 12 and the condenser 11 is communicated with one end of the flow regulating valve 13, and the other end of the flow regulating valve 13 is connected with an exhaust pipe; the sampling tube 2 is connected to the first filter 9. After entering the gas-liquid separation module, the sample gas sequentially enters a first filter 9 and a second filter 10 for dehydration treatment, the sample gas after the two dehydration treatments is pumped out by an air pump 12 and then is conveyed into a condenser 11 through a gas conveying pipe, the condenser 11 is cooled, and the sample gas after the treatment of the condenser 11 is conveyed to a liquid conveying module; the sample gas is processed by the first filter 9, the second filter 10 and the condenser 11 to separate water, and the separated water is conveyed to the liquid conveying module.
The liquid delivery module includes: a plurality of liquid conveying pipes, a first peristaltic pump 22, a second peristaltic pump 23, a third peristaltic pump 24 and a water discharging pipe; the two ends of the first peristaltic pump 22 are respectively connected with the first filter 9 and the drain pipe through liquid conveying pipes, the two ends of the second peristaltic pump 23 are respectively connected with the second filter 10 and the drain pipe through liquid conveying pipes, and the two ends of the third peristaltic pump 24 are respectively connected with the condenser 11 and the drain pipe through liquid conveying pipes. The water separated after the sample gas is processed by the first filter 9, the second filter 10 and the condenser 11 is pumped into the liquid conveying pipe by the first peristaltic pump 22, the second peristaltic pump 23 and the third peristaltic pump 24 respectively, and is further conveyed to the drain pipe by the liquid conveying pipe and is discharged outwards by the drain pipe.
The gas delivery module includes: a third filter 14, a fourth filter 15, a sample gas pipe 19, and a standard gas pipe 20; condenser 11 pass through the gas delivery pipe with third filter 14 is connected, third filter 14 pass through sample trachea 19 with fourth filter 15 is connected, fourth filter 15 pass through sample trachea 19 with oxygen content analyzer 6 is connected, mark trachea 20 with sample trachea 19 communicates. After the sample gas is processed by the gas-liquid separation module, the sample gas is transmitted into the third filter 14 through the gas transmission pipe by the condenser 11, and is dried by the third filter 14 and the fourth filter 15, after the drying process is completed, the standard gas is introduced into the standard gas pipe 20, the dried sample gas and the standard gas in the sample gas pipe 19 are mixed, and the mixed gas is further transmitted to the oxygen content analyzer 6 through the sample gas pipe 19.
A three-way valve 16 is arranged on a sample gas pipe 19 connected between the fourth filter 15 and the oxygen content analyzer 6; the gas calibration pipe 20 is communicated with the sample gas pipe 19 through the three-way valve 16.
A first filter paper layer 17 and a second filter paper layer 18 are arranged in a sample gas pipe 19 between the three-way valve 16 and the oxygen content analyzer 6.
The first filter 9 and the second filter 10 are both water removal filters, and the third filter 14 and the fourth filter 15 are both drying filters.
A heat tracing pipeline 21 is arranged on the outer surface of the sampling pipe 2 between the electromagnetic valve 3 and the pretreatment system 5; the number of the sampling probes 1 is 4. Set up 4 sampling probe 1, the switch of 4 solenoid valve 3 that sampling probe 1 is connected is controlled to PLC controller 7, and 4 solenoid valve 3 are opened in proper order, and two adjacent 3 switch time intervals of solenoid valve are 2 minutes, and 4 solenoid valve 3 of PLC controller 7 control circulate in proper order and open, realize 4 sampling probe 1 of 4 control of a switch board, have effectively practiced thrift manufacturing cost.
The display terminal 8 is an industrial tablet computer.
The PLC controller 7 is of the following model: 6ES7288-1SR60-0AA0, and the model of the oxygen content analyzer 6 is ES 80Y-400-01.
To sum up, the utility model provides a multichannel coke oven gas monitoring facilities draws sample gas through sampling probe in the trunk line that will sample, carry to pretreatment systems's gas-liquid separation module through the sampling pipe, gas-liquid separation module carries out gas-liquid separation to sample gas and handles, further send sample gas to gas transport module, carry out corresponding processing back by gas transport module, carry for oxygen content analysis appearance, oxygen content analysis appearance analyzes sample gas, measure the concentration value of oxygen in the sample gas, and send the analysis result to the PLC controller, further send for display terminal by the PLC controller, display terminal shows the concentration value of oxygen in the sample gas; at least two sampling probes are arranged, namely a plurality of sampling probes can be arranged according to the requirement, the PLC controls the sampling of the plurality of sampling probes by controlling the switch of the electromagnetic valve connected with the sampling probes, when the electromagnetic valve connected with the first sampling probe is opened, the electromagnetic valves connected with other sampling probes are closed, the sampling pipe connected with the first sampling probe carries out the conveying of the sample gas, after two minutes of intermittence, the PLC controller controls the electromagnetic valve connected with the second sampling probe to be opened, the electromagnetic valves connected with other sampling probes are closed, the sampling pipe connected with the second sampling probe carries out the conveying of the sample gas, the electromagnetic valves connected with a plurality of the sampling probes are opened in sequence, thereby realize a switch board control a plurality of sampling probes, need not to set up a plurality of switch boards and control, effectual reduction in production cost reduces equipment management work load simultaneously.
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 (10)
1. A multichannel coke oven gas monitoring device is characterized by comprising: the device comprises at least two sampling probes, sampling pipes connected with the sampling probes, electromagnetic valves arranged on the sampling pipes, and a control cabinet connected with the sampling pipes; be provided with in the switch board: the system comprises a pretreatment system, an oxygen content analyzer connected with the pretreatment system, a PLC controller and a display terminal; the PLC is in communication connection with the electromagnetic valve, the pretreatment system, the display terminal and the oxygen content analyzer; the pretreatment system comprises: the gas-liquid separation module is respectively connected with the gas conveying module and the liquid conveying module; the sampling pipe is connected with the gas-liquid separation module, and the gas conveying module is connected with the oxygen content analyzer.
2. The multi-channel coke oven gas monitoring device of claim 1, wherein the gas-liquid separation module comprises: the device comprises a first filter, a second filter, a condenser, a plurality of gas conveying pipes, an air suction pump, an exhaust pipe and a flow regulating valve; the first filter is connected with the second filter through a gas conveying pipe, the second filter is connected with the air pump through a gas conveying pipe, and the air pump is connected with the condenser through a gas conveying pipe; a gas conveying pipe between the air suction pump and the condenser is communicated with one end of the flow regulating valve, and the other end of the flow regulating valve is connected with an exhaust pipe; the sampling tube is connected with the first filter.
3. The multi-channel coke oven gas monitoring apparatus of claim 2, wherein the liquid delivery module comprises: a plurality of liquid conveying pipes, a first peristaltic pump, a second peristaltic pump, a third peristaltic pump and a drain pipe; the two ends of the first peristaltic pump are respectively connected with the first filter and the drain pipe through liquid conveying pipes, the two ends of the second peristaltic pump are respectively connected with the second filter and the drain pipe through liquid conveying pipes, and the two ends of the third peristaltic pump are respectively connected with the condenser and the drain pipe through liquid conveying pipes.
4. The multi-channel coke oven gas monitoring apparatus of claim 2, wherein the gas delivery module comprises: a third filter, a fourth filter, a sample gas pipe and a standard gas pipe; the condenser pass through gas delivery pipe with the third filter is connected, the third filter passes through the sample trachea with the fourth filter is connected, the fourth filter pass through the sample trachea with oxygen content analysis appearance is connected, the mark trachea with sample trachea intercommunication.
5. The multi-channel coke oven gas monitoring equipment of claim 4, wherein a three-way valve is arranged on a sample gas pipe connected between the fourth filter and the oxygen content analyzer; the gas marking pipe is communicated with the sample gas pipe through the three-way valve.
6. The multi-channel coke oven gas monitoring equipment of claim 5, wherein a first filter paper layer and a second filter paper layer are arranged in the sample gas pipe between the three-way valve and the oxygen content analyzer.
7. The multichannel coke oven gas monitoring equipment of claim 4, wherein the first filter and the second filter are both water removal filters, and the third filter and the fourth filter are both dry filters.
8. The multi-channel coke oven gas monitoring equipment of claim 1, wherein a heat tracing pipeline is arranged on the outer surface of the sampling pipe between the electromagnetic valve and the pretreatment system; the number of the sampling probes is 4.
9. The multi-channel coke oven gas monitoring equipment of claim 1, wherein the display terminal is an industrial tablet computer.
10. The multi-channel coke oven gas monitoring equipment of claim 1, wherein the PLC controller is of the type: 6ES7288-1SR60-0AA0, and the model of the oxygen content analyzer is ES 80S-400-01.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921639871.2U CN211669153U (en) | 2019-09-27 | 2019-09-27 | Multichannel coke oven gas monitoring facilities |
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| CN201921639871.2U CN211669153U (en) | 2019-09-27 | 2019-09-27 | Multichannel coke oven gas monitoring facilities |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459831A (en) * | 2021-12-31 | 2022-05-10 | 天津津普利环保科技股份有限公司 | Multi-channel gas sampling and measuring method with flow control function |
| CN117269429A (en) * | 2023-09-21 | 2023-12-22 | 中科卓异环境科技(东莞)有限公司 | Furnace atmosphere detection system and detection method |
-
2019
- 2019-09-27 CN CN201921639871.2U patent/CN211669153U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459831A (en) * | 2021-12-31 | 2022-05-10 | 天津津普利环保科技股份有限公司 | Multi-channel gas sampling and measuring method with flow control function |
| CN114459831B (en) * | 2021-12-31 | 2023-08-08 | 天津津普利环保科技股份有限公司 | Multichannel gas sampling measurement method with flow control |
| CN117269429A (en) * | 2023-09-21 | 2023-12-22 | 中科卓异环境科技(东莞)有限公司 | Furnace atmosphere detection system and detection method |
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