CN217404134U

CN217404134U - Incinerator gas analysis and detection device

Info

Publication number: CN217404134U
Application number: CN202221052327.XU
Authority: CN
Inventors: 刘欣然; 李国庆
Original assignee: Hongmai Environmental Technology Shanghai Co ltd
Current assignee: Hongmai Environmental Technology Shanghai Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-09
Anticipated expiration: 2032-05-05

Abstract

The utility model provides an incinerator gas analysis and detection device, which comprises a sampling tube, a first filter, a pretreatment end, a second filter, an analysis end, a valve bank and a PLC control system; the sampling tube is connected with the first filter, the first filter is connected with the pretreatment end, the pretreatment end is connected with the second filter, the second filter is connected with the analysis end, the PLC control system is connected with the first filter, the pretreatment end, the analysis end and the valve bank, and the valve bank is connected with the sampling tube, the pretreatment end, the second filter and the analysis end; by adopting the first filter and the second filter, impurities in the flue gas can be effectively filtered, and the function of protecting the instrument is achieved; meanwhile, the PLC control system is adopted to control the on-off of each part, so that the detection flow can be effectively simplified, and the waste of manpower is reduced.

Description

Incinerator gas analysis and detection device

Technical Field

The utility model relates to an environmental protection field, concretely relates to burn burning furnace gas analysis detection device.

Background

In the production process of the garbage incinerator, a large amount of gas can be generated, the generated gas is detected and analyzed, the production quality is improved, the process flow is optimized, the production safety is controlled, and meanwhile, the emission of the flue gas can be detected, so that the flue gas emitted by the garbage incinerator or boiler production can reach the required emission standard. The existing detection means and instruments are single, and the smoke of the waste incinerator carries too many impurities, so that the instruments are easily blocked and damaged; moreover, when the instrument is used for detection, an operator is usually required to perform regular detection, the operation is complicated, and more manpower is wasted. Therefore, it is necessary to develop an incinerator gas analysis and detection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an incinerator gas analysis and detection device, which can effectively filter out impurities in the flue gas by adopting a first filter and a second filter, thereby playing a role of protecting instruments; meanwhile, the PLC control system is adopted to control the on-off of each part, so that the detection flow can be effectively simplified, and the waste of manpower is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme.

The incinerator gas analysis and detection device comprises a sampling pipe, a first filter, a pretreatment end, a second filter, an analysis end, a valve bank and a PLC (programmable logic controller) control system; the sampling tube with first filter is connected, first filter with the preliminary treatment end is connected, the preliminary treatment end with the second filter is connected, the second filter with the analysis end is connected, PLC control system with first filter preliminary treatment end, analysis end and valves are connected, the valves with the sampling tube preliminary treatment end, second filter are connected and are held with the analysis.

Further, the first filter includes a metal screen, an evacuation chamber, and a compressed air connection.

Further, the evacuation chamber is provided with an evacuation port, an exhaust joint and a drainage joint.

Further, the pretreatment end includes condenser and aspirator pump, the aspirator pump with first filter is connected, the aspirator pump with the condenser is connected.

Further, the second filter includes a flow meter and a polymer membrane filter, the flow meter is connected with the condenser, and the flow meter is connected with the polymer membrane filter.

Further, the analysis end comprises an infrared analyzer and a prefabricated gas tank, the prefabricated gas tank is connected with the flowmeter, and the infrared analyzer is connected with the polymer membrane filter.

Further, the prefabricated gas tank includes a first gas tank, a second gas tank, and a third gas tank.

Further, the first gas tank and the second gas tank are connected with the flow meter.

Further, the third gas tank is connected with the infrared analyzer.

Further, the valve group comprises a pressure regulating valve, an electromagnetic valve and a reversing valve.

The utility model discloses incinerator gas analysis detection device's positive effect is:

the utility model can effectively filter out impurities in the flue gas by adopting the first filter and the second filter, thereby playing the role of protecting the instrument; meanwhile, the PLC control system is adopted to control the on-off of each part, so that the detection flow can be effectively simplified, and the waste of manpower can be reduced.

Drawings

Fig. 1 is a schematic diagram provided by an embodiment of the present invention.

The reference numerals in the figures are respectively:

1. a sampling tube; 2. a metal screen; 3. an evacuation chamber; 4. a compressed air joint; 5. a condenser; 6. a getter pump; 7. a flow meter; 8. a polymeric membrane filter; 9. an infrared analyzer; 10. a first gas tank; 11. a second gas tank; 12. a third gas tank; 13. a pressure regulating valve; 14. a reversing valve; 15. a first solenoid valve; 16. a second solenoid valve; 17. a third electromagnetic valve; 18. and a fourth solenoid valve.

Detailed Description

The specific implementation mode of the gas analysis and detection device for the incinerator of the utility model is given below by combining with the attached drawings, but it needs to be pointed out that: the described embodiments are not intended to limit the practice of the invention. All adopt the utility model discloses a similar structure and similar change all should be listed into the utility model discloses a scope of protection. The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the embodiments, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terminology is used for purposes of illustration and understanding, and is in no way intended to be limiting.

See fig. 1. The incinerator gas analysis and detection device comprises a sampling pipe 1, a first filter, a pretreatment end, a second filter, an analysis end, a valve bank and a PLC (programmable logic controller) control system; sampling tube 1 with first filter is connected, first filter with the preliminary treatment end is connected, the preliminary treatment end with the second filter is connected, the second filter with the analysis end is connected, PLC control system with first filter the preliminary treatment end, analysis end and valves are connected, the valves with sampling tube 1 preliminary treatment end, second filter are connected and the analysis end.

The sampling tube 1 is made of metal or alloy, and a flange is arranged on the sampling tube 1 and connected with an observation window of a flue of the incinerator through screws. The flue gas of the incinerator reaches a first filter through a sampling pipe 1, and the first filter comprises a metal filter screen 2, an emptying chamber 3 and a compressed air joint 4. The metal screen 2 can be made of corrosion-resistant metal material, and the filtering pore size is 15-50 microns, in this embodiment, the metal screen 2 is made of 304 stainless steel, and the filtering pore size is 25 microns. The metal filter screen 2 can preliminarily filter impurities and dust in the flue gas, and can effectively protect the safety of instruments and meters. Compressed air connects 4 and sets up the one side of keeping away from sampling tube 1 at metal filter screen 2, and in the drawing promptly, compressed air connects 4 and sets up on metal filter screen 2's right side, and compressed air connects 4 can external compressed air pipe, blows through compressed air's drum, can reduce adnexed impurity and dust on the metal filter screen 2. The emptying chamber 3 is located at one side of the metal screen 2, i.e. in the figure, the emptying chamber 3 is located at the lower side of the metal screen 2, and the emptying chamber 3 is used for emptying impurities, dust, waste gas and waste water. The emptying chamber 3 is provided with an emptying port, an exhaust joint and a drainage joint which are respectively used for emptying impurities, dust, waste gas and waste water.

The preliminary treatment end includes condenser 5 and aspirator pump 6, aspirator pump 6 with first filter is connected, aspirator pump 6 with condenser 5 is connected, and aspirator pump 6 provides power, will follow the flue gas guide of first filter process to condenser 5, and condenser 5 can carry out the regulation of temperature to the flue gas, and condenser 5 is provided with blast pipe and drain pipe.

The second filter includes flowmeter 7 and polymer film filter 8, flowmeter 7 with condenser 5 is connected, flowmeter 7 with polymer film filter 8 is connected, and flowmeter 7 is used for further adjusting the velocity of flow of flue gas, protection instrument and meter. The polymer membrane filter 8 has a pore size of 0.2-5 μm, and in this embodiment, the polymer membrane filter 8 has a pore size of 0.3. mu.m. The polymer membrane filter 8 can further filter the flue gas, and can effectively protect instruments and meters.

The analysis end comprises an infrared analyzer 9 and a prefabricated gas tank, the prefabricated gas tank is connected with the flowmeter 7, and the infrared analyzer 9 is connected with the polymer membrane filter 8. Prefabricated gas tank includes first gas tank 10, second gas tank 11 and third gas tank 12, first gas tank 10 with second gas tank 11 with flowmeter 7 connects, third gas tank 12 with infrared analyzer 9 connects, and first gas tank 10 and second gas tank 11 are for comparing with standard gas, can be oxygen, carbon monoxide, carbon dioxide, sulfur dioxide, nitrogen monoxide or nitrogen dioxide, and third gas tank 12 is supplementary gas tank, can be air or other gas that needs. The infrared analyzer 9 measures the concentration of some gases in the flue gas by comparing the flue gas with the standard gases in the first gas tank 10 and the second gas tank 11. The infrared analyzer 9 is externally connected with an analyzer exhaust pipe.

The valve group comprises a pressure regulating valve 13, an electromagnetic valve and a reversing valve 14, a first electromagnetic valve 15 is arranged between the sampling tube 1 and the first filter, the pressure regulating valve 13 is arranged on an exhaust pipe of the condenser 5, the reversing valve 14 is arranged between the condenser 5 and the flowmeter 7, a second electromagnetic valve 16 is arranged between the first gas tank 10 and the flowmeter 7, a third electromagnetic valve 17 is arranged between the second gas tank 11 and the flowmeter 7, and a fourth electromagnetic valve 18 is arranged between the third gas tank 12 and the infrared analyzer 9. The PLC control system adjusts the on-off of the pressure regulating valve 13, the electromagnetic valve and the reversing valve 14 and the on-off of the external compressed air pipe, the starting and stopping of the air suction pump 6 are also included, during specific implementation, other components can be added into the PCL control system according to conditions, the automation of the whole sampling process is achieved, the detection process can be effectively simplified, and the waste of manpower is reduced.

Claims

1. The incinerator gas analysis and detection device is characterized by comprising a sampling pipe, a first filter, a pretreatment end, a second filter, an analysis end, a valve bank and a PLC (programmable logic controller) control system; the sampling tube with first filter is connected, first filter with the preliminary treatment end is connected, the preliminary treatment end with the second filter is connected, the second filter with the analysis end is connected, PLC control system with first filter preliminary treatment end, analysis end and valves are connected, the valves with the sampling tube preliminary treatment end, second filter are connected and are held with the analysis.

2. The incinerator gas analysis and detection apparatus of claim 1, wherein said first filter comprises a metal screen, a dump chamber and a compressed air connection.

3. The incinerator gas analyzing and detecting device according to claim 2, wherein said evacuation chamber is provided with an evacuation port, an exhaust joint, and a drain joint.

4. The incinerator gas analysis and detection apparatus of claim 1, wherein said pre-treatment end comprises a condenser and a getter pump, said getter pump being connected to said first filter, said getter pump being connected to said condenser.

5. The incinerator gas analysis and detection apparatus as claimed in claim 4, wherein said second filter includes a flow meter and a polymer membrane filter, said flow meter being connected to said condenser, said flow meter being connected to said polymer membrane filter.

6. The incinerator gas analysis and detection device according to claim 5, wherein said analysis end comprises an infrared analyzer and a preformed gas tank, said preformed gas tank being connected to said flow meter, said infrared analyzer being connected to said polymeric membrane filter.

7. The incinerator gas analysis and detection apparatus of claim 6, wherein said pre-fabricated gas tanks include a first gas tank, a second gas tank, and a third gas tank.

8. The incinerator gas analysis and detection apparatus as claimed in claim 7, wherein said first gas tank and said second gas tank are connected to said flow meter.

9. The incinerator gas analysis and detection apparatus of claim 7, wherein said third gas tank is connected to said infrared analyzer.

10. The incinerator gas analysis and detection apparatus of claim 1, wherein said valve block comprises a pressure regulating valve, a solenoid valve and a reversing valve.