CN220019544U - High Wen Duofen dust gas sampling analysis equipment - Google Patents

Abstract

The utility model relates to the technical field of tail gas detection devices, and provides high Wen Duofen dust gas sampling and analyzing equipment which comprises a dust removing mechanism, a cooling mechanism, a filtering mechanism and a detection mechanism, wherein the dust removing mechanism, the cooling mechanism, the filtering mechanism and the detection mechanism are sequentially connected along a to-be-detected gas passing path, the dust removing mechanism is provided with a first gas inlet for the to-be-detected gas to enter, the detection mechanism is provided with a second gas inlet for calibration gas to enter, the detection mechanism is connected with an exhaust pipeline, and the to-be-detected gas is discharged from the exhaust pipeline after being subjected to dust removing, cooling, filtering and detection in sequence. Compared with the prior art, the utility model has the advantages that the gas inspection is automatically completed through the dust removing mechanism, the cooling mechanism, the filtering mechanism and the detecting mechanism which are sequentially connected along the passage of the gas to be inspected, thereby ensuring the life safety of operators.

Description

High Wen Duofen dust gas sampling analysis equipment

Technical Field

The utility model relates to the technical field of tail gas detection devices, in particular to high Wen Duofen dust gas sampling and analyzing equipment.

Background

The working areas such as factory operation tail gas, garbage incineration storage and the like can generate high-temperature gases which mainly contain incomplete combustion products, dust, acid gases, greasy dirt, toxic gases and the like, and if the gases are directly discharged into the atmosphere, the environment can be polluted greatly, so that the gases need to be detected on the concentration and the components of the toxic gases contained in the gases when being discharged, manual means need to be applied to collect and monitor the gases in the prior art, the operation process is complex, the dangerous degree is high, and the life safety of detection personnel is seriously threatened.

Disclosure of Invention

The utility model aims to solve the technical problem of providing high Wen Duofen dust gas sampling analysis equipment aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high Wen Duofen dirt gas sampling analytical equipment, includes dust removal mechanism, cooling body, filtering mechanism and the detection mechanism that connects gradually along the route of waiting to examine gas, dust removal mechanism has the first gas entry that supplies waiting to detect the gas to get into, detection mechanism has the second gas entry that supplies the demarcation gas to get into, be connected with exhaust duct on the detection mechanism, wait to detect gas in proper order through dust removal, cooling, filtration, detect the back follow exhaust duct discharges.

In the high Wen Duofen dust gas sampling and analyzing device, a third gas inlet is formed between the cooling mechanism and the detecting mechanism, a first electromagnetic valve is arranged between the third gas inlet and the cooling mechanism, the first electromagnetic valve is in a normally closed state, a pneumatic ball valve is arranged between the third gas inlet and the detecting mechanism, a slag discharging pipeline communicated with the outside is connected between the cooling mechanism and the dust removing mechanism, a second electromagnetic valve is arranged on the slag discharging pipeline, the second electromagnetic valve is in a normally closed state, a third electromagnetic valve is arranged between the cooling mechanism and the dust removing mechanism, the third electromagnetic valve is in a normally open state, the third gas inlet is used for guiding compressed gas to clean the cooling mechanism, and when the compressed gas is guided, the first electromagnetic valve and the second electromagnetic valve are all switched to be in an open state, and the third electromagnetic valve and the pneumatic ball valve are all switched to be in a closed state.

In the high Wen Duofen dust gas sampling and analyzing device, a pressure reducing valve is arranged between the cooling mechanism and the third gas inlet and is used for adjusting the pressure of compressed gas entering the cooling mechanism.

In the high Wen Duofen dust gas sampling and analyzing device, the slag discharging pipeline is provided with a first hand valve connected with the second electromagnetic valve in series, and a second hand valve is arranged between the third electromagnetic valve and the dust removing mechanism.

In the above-mentioned high Wen Duofen dirt gas sampling analysis equipment, dust removal mechanism includes the first order dust removal filter and the second grade dust removal filter of establishing ties setting, the first order dust removal filter sets up first gas entry with between the second grade dust removal filter, the first order dust removal filter with all be provided with the blowoff valve on the second grade dust removal filter.

In the high Wen Duofen dust gas sampling and analyzing device, a third hand valve is arranged between the first gas inlet and the dust removing mechanism.

In the above-mentioned high Wen Duofen dust gas sampling analysis device, the cooling mechanism includes:

a water tank filled with cooling water, wherein a cooling water inlet for connecting a water source is arranged on the water tank;

a cooling coil in communication with the dust removal mechanism and a cooling water inlet, the cooling coil disposed within the water tank;

a cooling water replenishing valve arranged between the cooling coil and the cooling water inlet and used for replenishing water for the water tank;

and the cooling water circulating pump is communicated with the water tank and is used for cooling the cooling water in the water tank.

In the high Wen Duofen dust gas sampling and analyzing device, the filtering mechanism comprises a primary gas filter and a secondary gas filter which are connected in series, an integrated temperature transmitter and a pressure transmitter are connected in series between the primary gas filter and the cooling mechanism, and liquid draining ports are formed in the primary gas filter and the secondary gas filter.

In the above-mentioned high Wen Duofen dust gas sampling analysis device, the detection mechanism includes:

the detector flowmeter and the exhaust flow regulating valve are arranged in parallel and are communicated with the secondary gas filter, and the exhaust flow regulating valve is used for regulating the gas flow led into the exhaust flow regulating valve from the secondary gas filter;

the detector gas collecting hood is communicated with the detector flowmeter and the second gas inlet, and a sensor is arranged in the detector gas collecting hood and is used for detecting gas entering the detector gas collecting hood.

Compared with the prior art, the utility model has the advantages that the gas inspection is automatically completed through the dust removing mechanism, the cooling mechanism, the filtering mechanism and the detecting mechanism which are sequentially connected along the passage of the gas to be inspected, thereby ensuring the life safety of operators.

Drawings

Fig. 1 is a plan view of the present utility model.

In the figure, 1, a first gas inlet; 2. a second gas inlet; 3. an exhaust duct; 4. a third gas inlet; 5. a first electromagnetic valve; 6. pneumatic ball valves; 7. a slag discharge pipeline; 8. a second electromagnetic valve; 9. a third electromagnetic valve; 10. a pressure reducing valve; 11. a first hand valve; 12. a second hand valve; 13. a primary dust removal filter; 14. a secondary dust removal filter; 15. a blow-down valve; 16. a third hand valve; 17. a water tank; 18. a cooling water inlet; 19. a cooling coil; 20. a cooling water supplementing valve; 21. a cooling water circulation pump; 22. a primary gas filter; 23. a secondary gas filter; 24. an integrated temperature transmitter; 25. a pressure transmitter; 26. a liquid outlet; 27. a probe flow meter; 28. an exhaust flow rate regulating valve; 29. the detector gas collecting hood.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the high Wen Duofen dust gas sampling and analyzing device is provided with a dust removing mechanism, a cooling mechanism, a filtering mechanism and a detecting mechanism which are sequentially connected along a path of a gas to be detected, wherein the dust removing mechanism is provided with a first gas inlet 1 for the gas to be detected to enter, the detecting mechanism is provided with a second gas inlet 2 for the calibration gas to enter, the detecting mechanism is connected with an exhaust pipeline 3, the gas to be detected is discharged from the exhaust pipeline 3 after being sequentially subjected to dust removing, cooling, filtering and detecting, and further, the gas detection is automatically completed, and the life safety of operators is ensured.

After the analytical equipment of this scheme detects that work has a period of time later, there is partial gas residue in the cooling body, if not wasing cooling body, can influence the gaseous testing result of next time, and for this reason, in this scheme, be provided with third gas entry 4 between cooling body and the detection mechanism, be provided with first solenoid valve 5 between third gas entry 4 and the cooling body, first solenoid valve 5 is normally closed state, be provided with pneumatic ball valve 6 between third gas entry 4 and the detection mechanism, be connected with the sediment pipeline 7 with external intercommunication between cooling body and the dust removal mechanism, be provided with second solenoid valve 8 on the sediment pipeline 7, second solenoid valve 8 is normally closed state, thereby be provided with third solenoid valve 9 between cooling body and the dust removal mechanism, third solenoid valve 9 is normally open state, thereby third gas entry 4 is used for leading-in compressed gas washs cooling body, and when compressed gas is leading-in, first solenoid valve 5 and second solenoid valve 8 all switch into open state, third solenoid valve 9 and pneumatic ball valve 6 all switch into the closed state.

When the cooling mechanism needs to be flushed, compressed gas enters the cooling mechanism from the third gas inlet 4 and is discharged through the slag discharging pipeline 7, the first electromagnetic valve 5 is used for isolating the cooling mechanism from the external air when the analysis equipment is in normal operation and allowing the compressed gas to pass through when the cooling mechanism is flushed, the second electromagnetic valve 8 is used for enabling the slag discharging pipeline 7 to be closed for isolating the cooling mechanism from the external air when the analysis equipment is in normal operation and discharging gas in the cooling mechanism from the slag discharging pipeline 7 when the cooling mechanism is flushed, the third electromagnetic valve 9 is used for isolating the dust removing mechanism from the cooling mechanism when the cooling mechanism is flushed, the compressed gas is prevented from entering the dust removing mechanism, the pneumatic ball valve 6 is used for being closed when the cooling mechanism needs to be flushed, and the high-pressure gas is prevented from entering the detection mechanism, so that the normal operation of the detection mechanism is protected.

Further, a pressure reducing valve 10 is provided between the cooling mechanism and the third gas inlet 4, the pressure reducing valve 10 is used for adjusting the pressure of the compressed gas entering the cooling mechanism, preferably, the pressure reducing valve 10 is provided with a pressure gauge, the pressure is generally adjusted to be 0.25-0.4 MPa, and the operation frequency of the circulating pump is increased as the pressure is increased.

Further, a first hand valve 11 connected in series with a second electromagnetic valve 8 is arranged on the slag discharging pipeline 7, and a second hand valve 12 is arranged between the third electromagnetic valve 9 and the dust removing mechanism.

The first hand valve 11 is normally opened for replacing the second electromagnetic valve 8 to work when the second electromagnetic valve 8 fails, and the first hand valve 11 is closed before the second electromagnetic valve 8 is replaced in order to maintain the equipment to normally operate for a short time; the second hand valve 12 is normally open, and when the third electromagnetic valve 9 fails to work instead of the third electromagnetic valve 9, the second hand valve 12 is closed when the cooling mechanism needs to be flushed.

Further, the dust removing mechanism comprises a primary dust removing filter 13 and a secondary dust removing filter 14 which are arranged in series and are used for removing dust in gas, and the purpose of two-stage filtration is to filter dust with different particle sizes in a grading way; the primary dust removing filter 13 is arranged between the first gas inlet 1 and the secondary dust removing filter 14, the primary dust removing filter 13 and the secondary dust removing filter 14 are respectively provided with a drain valve 15, and the filtering precision of the primary dust removing filter 13 and the secondary dust removing filter 14 is respectively 200 meshes and 500 meshes.

The filtering precision of the filter is generally in units of micrometers, the precision is the pore size of a filter core or a filter screen, the filtering precision is divided into micrometers and meshes, the micrometers are length units, the meshes are metering units, the number of the holes per inch of the screen is 200 and 500, the number of the holes per inch is higher, the filtering fineness is finer, and the sewage discharge valve 15 needs to be opened periodically to discharge sewage in the primary dust removal filter 13 and the secondary dust removal filter 14.

Preferably, a third hand valve 16 is arranged between the first gas inlet 1 and the dust removal mechanism.

When the analysis equipment is electrified and operated, the third hand valve 16 is opened to enable the gas to be detected to enter the analysis equipment, and before the analysis equipment stops operating, the third hand valve 16 is closed to prevent the high-temperature gas from entering the equipment.

Further, the cooling mechanism includes: a water tank 17 filled with cooling water, the water tank 17 being provided with a cooling water inlet 18 for connection to a water source; a cooling coil 19 in communication with the dust removal mechanism and the cooling water inlet 18, the cooling coil 19 being disposed within the water tank 17; a cooling water replenishing valve 20 provided between the cooling coil 19 and the cooling water inlet 18 for replenishing the water tank 17; and a cooling water circulation pump 21, which is communicated with the water tank 17, for cooling the cooling water in the water tank 17.

The water tank 17 is filled with cooling water, gas to be detected reaches the purpose of cooling through a cooling coil 19 arranged in the water tank 17, a cooling water inlet 18 is used for being connected with an external tap water supply pipeline, when the evaporation of the cooling water in the water tank 17 is reduced, the cooling water is lowered to the lower part of a cooling water supplementing valve 20, the cooling water supplementing valve 20 is automatically opened and supplemented, after the water level is reached, the cooling water supplementing valve is automatically closed, if a high-temperature alarm of the system is found, whether cooling water exists in the water tank 17 or not is needed to be checked, if the water level in the water tank 17 is low, the cooling water supplementing valve 20 is needed to be detached, a filter screen at the upper part is cleaned, and then the cooling water is reinstalled, and a cooling water circulating pump 21 is used for pumping the water in the water tank 17 to a high position and spraying the water on a hydrophobic material, and slowly flows into the water tank 17, so that the cooling water cooling effect is achieved.

Further, the filtering mechanism comprises a first-stage gas filter 22 and a second-stage gas filter 23 which are mutually connected in series and are used for removing moisture, greasy dirt and the like in gas, the purpose of setting two-stage filtration is to filter the moisture, greasy dirt and the like with different particle sizes in a grading way, an integrated temperature transmitter 24 and a pressure transmitter 25 are connected between the first-stage gas filter 22 and the cooling mechanism in series, and drain ports 26 are arranged on the first-stage gas filter 22 and the second-stage gas filter 23.

Preferably, the filtering precision of the primary gas filter 22 and the secondary gas filter 23 is 20 μm and 10 μm respectively, when the water solution in the primary gas filter 22 and the secondary gas filter 23 exceeds 1/3 of the height of the tank body, the liquid discharge ports 26 arranged on the primary gas filter 22 and the secondary gas filter 23 are opened for discharging the liquid in the primary gas filter 22 and the secondary gas filter 23, the integrated temperature transmitter 24 is used for monitoring the cooled detected gas temperature, the measuring range of the integrated temperature transmitter 24 is preferably 0-150 ℃, the pressure transmitter 25 is used for monitoring the pressure of the detected gas pipeline, and the measuring range of the pressure transmitter 25 is preferably-50-50 Kpa.

Further, the detection mechanism includes: a detector flow meter 27 and an exhaust flow rate regulating valve 28 which are arranged in parallel and are communicated with both the secondary gas filter 23, the exhaust flow rate regulating valve 28 being for regulating the flow rate of gas introduced from the inside of the secondary gas filter 23 into the exhaust flow rate regulating valve 28; a detector gas-collecting hood 29 communicating with the detector flow meter 27 and the second gas inlet 2, a sensor being provided in the detector gas-collecting hood 29 for detecting the gas entering the detector gas-collecting hood 29.

The detector gas collecting hood 29 can insulate the sensor from the external gas, the purpose that the sensor only measures the gas in the detector gas collecting hood 29 is achieved, the exhaust flow regulating valve 28 is used for regulating and detecting the gas exhaust flow, the flow of the detector flowmeter 27 is coordinated, the detector flowmeter 27 is used for measuring the gas flow of the sensor entering the detector gas collecting hood 29, the flow of the detector flowmeter 27 is regulated to be about 0.4L/min, when the detector gas collecting hood is used, the exhaust flow regulating valve 28 is regulated to the maximum opening, and if the detector flow can not reach about 0.4L/min when the opening is regulated to the maximum opening, the exhaust flow regulating valve 28 is turned down.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. The utility model provides a high Wen Duofen dirt gas sampling analytical equipment, its characterized in that includes dust removal mechanism, cooling body, filtering mechanism and the detection mechanism that connects gradually along the route of waiting to examine gas, dust removal mechanism has the first gas entry that supplies waiting to detect gas to get into, detection mechanism has the second gas entry that supplies the demarcation gas to get into, be connected with exhaust duct on the detection mechanism, wait to detect gas and follow after dust removal, cooling, filtration in proper order exhaust duct discharges.

2. The high Wen Duofen dust gas sampling and analyzing device according to claim 1, wherein a third gas inlet is arranged between the cooling mechanism and the detecting mechanism, a first electromagnetic valve is arranged between the third gas inlet and the cooling mechanism, the first electromagnetic valve is in a normally closed state, a pneumatic ball valve is arranged between the third gas inlet and the detecting mechanism, a slag discharging pipeline communicated with the outside is connected between the cooling mechanism and the dust removing mechanism, a second electromagnetic valve is arranged on the slag discharging pipeline, the second electromagnetic valve is in a normally closed state, a third electromagnetic valve is arranged between the cooling mechanism and the dust removing mechanism, the third electromagnetic valve is in a normally open state, the third gas inlet is used for introducing compressed gas to clean the cooling mechanism, and when the compressed gas is introduced, the first electromagnetic valve and the second electromagnetic valve are both switched into an open state, and the third electromagnetic valve and the pneumatic ball valve are both switched into a closed state.

3. A high Wen Duofen dust gas sampling analysis apparatus as claimed in claim 2, wherein a pressure reducing valve is provided between the cooling means and the third gas inlet, the pressure reducing valve being for regulating the pressure of compressed gas entering the cooling means.

4. The high Wen Duofen dust gas sampling and analyzing device according to claim 2, wherein a first hand valve connected in series with the second electromagnetic valve is arranged on the slag discharging pipeline, and a second hand valve is arranged between the third electromagnetic valve and the dust removing mechanism.

5. The high Wen Duofen dust gas sampling analysis apparatus of claim 1, wherein the dust removal mechanism comprises a primary dust filter and a secondary dust filter arranged in series, the primary dust filter being arranged between the first gas inlet and the secondary dust filter, and both the primary dust filter and the secondary dust filter being provided with a blow-down valve.

6. A high Wen Duofen dust gas sampling analysis apparatus as set forth in claim 1, wherein a third hand valve is disposed between said first gas inlet and said dust removal mechanism.

7. A high Wen Duofen dust gas sampling analysis apparatus as set forth in claim 1, wherein said cooling mechanism comprises:

a water tank filled with cooling water, wherein a cooling water inlet for connecting a water source is arranged on the water tank;

a cooling coil in communication with the dust removal mechanism and a cooling water inlet, the cooling coil disposed within the water tank;

a cooling water replenishing valve arranged between the cooling coil and the cooling water inlet and used for replenishing water for the water tank;

and the cooling water circulating pump is communicated with the water tank and is used for cooling the cooling water in the water tank.

8. The high Wen Duofen dust gas sampling and analyzing device of claim 1, wherein the filtering mechanism comprises a primary gas filter and a secondary gas filter which are connected in series, an integrated temperature transmitter and a pressure transmitter are connected in series between the primary gas filter and the cooling mechanism, and liquid draining ports are arranged on the primary gas filter and the secondary gas filter.

9. A high Wen Duofen dust gas sampling analysis apparatus as set forth in claim 8, wherein said detection mechanism comprises:

the detector flowmeter and the exhaust flow regulating valve are arranged in parallel and are communicated with the secondary gas filter, and the exhaust flow regulating valve is used for regulating the gas flow led into the exhaust flow regulating valve from the secondary gas filter;

the detector gas collecting hood is communicated with the detector flowmeter and the second gas inlet, and a sensor is arranged in the detector gas collecting hood and is used for detecting gas entering the detector gas collecting hood.