CN216816459U - Device for rapidly determining mercury in waste gas - Google Patents

Device for rapidly determining mercury in waste gas Download PDF

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Publication number
CN216816459U
CN216816459U CN202122963425.0U CN202122963425U CN216816459U CN 216816459 U CN216816459 U CN 216816459U CN 202122963425 U CN202122963425 U CN 202122963425U CN 216816459 U CN216816459 U CN 216816459U
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China
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mercury
fixedly connected
box
waste gas
detection
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许锐杰
黎嘉雯
黄振中
蓝文林
李丽华
杨振雄
黎福卿
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Guangdong Beiyuan Test Technology Co ltd
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Guangdong Beiyuan Test Technology Co ltd
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Abstract

The utility model discloses a device for rapidly measuring mercury in waste gas, which comprises a detection box, wherein the top wall of the detection box is fixedly connected with a water spraying box, the inner bottom wall of the detection box is fixedly connected with a liquid permeable membrane, the inner wall of the lower surface of the detection box is fixedly connected with a filter screen, when in detection, the device is brought to a waste gas field, waste gas can be sent into the detection box from an air inlet pipe through an externally connected exhaust fan, iodine liquid is pumped by a pump and sent into the water spraying box, the iodine liquid is sprayed out from the lower surface of the water spraying box, the entered waste gas is sprayed, if the waste gas contains mercury, the mercury in the waste gas and the iodine liquid can form solid mercury iodide and fall on the liquid permeable membrane, the iodine liquid which does not participate in reaction passes through the filter screen through a connecting hopper and enters the iodine liquid box through the liquid permeable membrane for recycling, then solid matter on the liquid permeable membrane can be clearly seen through an observation window and a glass window, and the mercury in the waste gas can be measured, thereby enabling rapid in-situ mercury determination in flue gases.

Description

Device for rapidly determining mercury in waste gas
Technical Field
The utility model relates to the technical field of waste gas detection equipment, in particular to a device for quickly measuring mercury in waste gas.
Background
Mercury is a heavy metal pollutant with extremely strong biological toxicity in the environment, and is difficult to be discharged after entering organisms, thereby seriously threatening the health of human beings. Mercury is the only heavy metal element which exists in the atmosphere mainly in a gas phase form, and has the characteristics of durability, easy migration, high biological accumulation and biological amplification. The continuous rise in mercury concentration in the world-wide environment over the last decade has caused great attention by united nations, governments of various countries and environmental organizations, as yet another global environmental problem following the climate change problem. The artificial emission is reported to account for 3/4, which accounts for the total mercury in the atmosphere, wherein coal combustion is the most important artificial pollution source of mercury in air, accounting for 60% of the total artificial emission in the world, and the thermal power industry has become the key point for mercury pollution control. The mercury stays in the atmosphere for a long time, can cause global mercury pollution along with the circulation movement of the atmosphere, although the concentration is low, the damage to the human health is not negligible, the mercury is a pollutant which can exist in the environment for a long time and has global mobility, and the sources of the atmospheric mercury mainly comprise fire coal, non-ferrous metal smelting, mercury ore mining, mercury-containing waste treatment and the like. Mercury and compounds thereof enter human bodies through respiratory tracts by different ways, some of the mercury and the compounds thereof directly cause harm, and some of the mercury and the compounds thereof also have an accumulation effect, so that the mercury and the compounds thereof can seriously harm the health of people.
Many methods for measuring mercury in ambient air, such as cold atomic fluorescence method and atomic absorption method, require large-scale instruments for measurement, so that a device for directly and rapidly measuring the mercury in the exhaust gas on site is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a device for rapidly measuring mercury in waste gas, which can effectively solve the problems in the background art.
In order to realize the purpose, the utility model adopts the technical scheme that:
the utility model provides a device of mercury in spot test waste gas, includes the detection case, the roof fixedly connected with water spray tank of detection case, the interior diapire fixedly connected with of detection case permeates the liquid film, the inner wall fixedly connected with filter screen of detection case lower surface, the lower fixed surface of detection case is connected with the connecting bucket, the lower fixed surface of connecting bucket is connected with the iodine liquid case, the last fixed surface of iodine liquid case is connected with the pump machine, the one end fixedly connected with drain pipe of pump machine, the other end fixedly connected with liquid suction pipe of pump machine.
In order to achieve the effect of observing the internal condition of the outer case, the device for rapidly measuring mercury in waste gas is provided with the supporting legs fixedly connected to the lower surface of the detection case, the outer case is fixedly connected to the lower surfaces of the supporting legs, the outer case door is fixedly connected to the front surface of the outer case through hinges, and the glass window is fixedly connected to the inner wall of the outer case door.
In order to achieve the effect of observing the internal condition of the detection box, the front surface of the detection box is fixedly connected with an inner box door through a hinge, and the inner wall of the inner box door is fixedly connected with an observation window.
In order to achieve the effect of cooling the waste gas, the inner bottom wall of the outer shell is fixedly connected with a cooling box, a refrigeration cavity is formed in the cooling box, the inner wall of the refrigeration cavity is fixedly connected with a heat-insulating film, a waste gas cavity is formed in the middle of the interior of the cooling box, a placement cavity is formed in the lower portion of the interior of the cooling box, a mercury storage frame is arranged on the inner bottom wall of the placement cavity, and a liquid guide pipe is fixedly connected to the inner top wall of the placement cavity.
In order to achieve the effect of guiding the gas in the detection box into the cooling box, as the device for rapidly measuring mercury in the waste gas, a gas guide pipe is fixedly connected to one side surface of the detection box.
In order to achieve the effect that the waste gas enters the device and is discharged out of the device, as the device for rapidly measuring mercury in the waste gas, an air inlet pipe is fixedly connected to one side surface of the outer shell box, and an air outlet pipe is fixedly connected to the other side surface of the outer shell box.
In order to achieve the effect that the device can move, the lower surface of the outer casing is fixedly connected with a moving wheel as the device for rapidly measuring mercury in the waste gas.
In order to achieve the effect of pushing the device to move or conveniently lifting the device, as the device for quickly measuring mercury in waste gas, the upper surface of the outer shell box is fixedly connected with the handle.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device for rapidly determining mercury in waste gas comprises a detection box, a water spraying box, a liquid permeable film, a filter screen, a connecting hopper, an iodine solution box, a pump machine, a liquid outlet pipe and a liquid suction pipe, wherein the detection box is arranged in a shell box, the water spraying box is fixed on the top wall in the detection box, the lower surface of the water spraying box is a water outlet hole, the liquid permeable film is arranged on the bottom wall in the detection box, the filter screen is arranged in the middle of the bottom wall in the detection box, the connecting hopper is arranged below the filter screen on the lower surface of the detection box, the detection box and the iodine solution box are connected by the connecting hopper, the pump machine is arranged on the upper surface of the iodine solution box, the liquid outlet pipe is arranged at one end of the pump machine, the liquid outlet pipe penetrates through the detection box and is inserted into the water spraying box, the liquid suction pipe is arranged at the other end of the pump machine, the liquid suction pipe is inserted into the iodine solution box, when in detection, the device is brought into the waste gas field, the waste gas can be sent into the detection box from an air intake pipe through an external connection exhaust fan, the iodine solution is pumped into the water spraying box, iodine solution is followed water spray tank lower surface blowout, spray the waste gas of entering, if contain mercury in the waste gas, mercury in the waste gas can form solid-state mercury iodide with iodine solution, fall on penetrating the liquid film, and the iodine solution that does not participate in the reaction then passes through the filter screen through the connecting bucket and enters into iodine solution incasement circulation through penetrating the liquid film and use, then there is the solid matter on can clearly seeing through observation window and glass window penetrating the liquid film, can measure and have mercury in the waste gas, thereby mercury in can the on-the-spot short-term test waste gas.
2. The device for rapidly measuring mercury in waste gas comprises a cooling box, a refrigeration cavity, a waste gas cavity, a placing cavity, a heat-insulating film, a mercury storage frame and a liquid guide pipe, wherein the cooling box is placed inside a shell box, the refrigeration cavity is formed inside the cooling box, the refrigeration cavity is inverted L-shaped, the waste gas cavity and the placing cavity are respectively positioned at the middle part and the lower part inside the cooling box, the heat-insulating film is pasted on the inner wall of the refrigeration cavity, the mercury storage frame is placed in the placing cavity, the liquid guide pipe is installed on the top wall of the placing cavity, a stop block on the front side of the refrigeration cavity is removed, a large number of ice bags are placed in the refrigeration cavity for refrigeration, gas in a detection box after measurement enters the waste gas cavity through the gas guide pipe, after the cooling of the refrigeration cavity, residual mercury in the waste gas can be separated out and enters the mercury storage frame through the liquid guide pipe, so that the waste gas entering the measurement can be repeatedly treated, the mercury content in the waste gas is reduced, and the waste gas is conveniently discharged into the air, therefore, mercury in the waste gas can be measured, and the waste gas mercury can be purified and recovered.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for rapid determination of mercury in exhaust gas according to example 1 of the present invention;
FIG. 2 is a front view of a schematic cross-sectional structure of an apparatus for rapid determination of mercury in exhaust gas according to example 1 of the present invention;
FIG. 3 is a schematic axial view of a device for rapid determination of mercury in flue gas, in which the housing case is removed, according to example 1 of the present invention;
FIG. 4 is a schematic view of an axial structure inside a detection box of an apparatus for rapid determination of mercury in exhaust gas according to embodiment 1 of the present invention;
fig. 5 is a schematic cross-sectional structural view of a cooling box in an apparatus for rapidly measuring mercury in exhaust gas according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of a grip structure according to embodiment 2 of the present invention.
In the figure: 1. a detection box; 2. a water spraying tank; 3. a liquid permeable membrane; 4. a filter screen; 5. a connecting hopper; 6. an iodine liquid tank; 7. a pump machine; 8. a liquid outlet pipe; 9. a liquid pumping pipe; 10. supporting legs; 11. a housing case; 12. an inner box door; 13. an observation window; 14. an outer box door; 15. a glass window; 16. a cooling tank; 17. a refrigeration cavity; 18. an exhaust gas chamber; 19. a placement chamber; 20. a heat preservation film; 21. a mercury storage frame; 22. a catheter; 23. an air duct; 24. an air inlet pipe; 25. an air outlet pipe; 26. a moving wheel; 27. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5, a device for rapidly measuring mercury in exhaust gas, including detection case 1, detection case 1's roof fixedly connected with water spray tank 2, detection case 1's interior diapire fixedly connected with permeates liquid membrane 3, the inner wall fixedly connected with filter screen 4 of detection case 1 lower surface, detection case 1's lower fixed surface is connected with connecting bucket 5, connecting bucket 5's lower fixed surface is connected with iodine liquid case 6, iodine liquid case 6's upper fixed surface is connected with pump machine 7, the one end fixedly connected with drain pipe 8 of pump machine 7, the other end fixedly connected with liquid suction pipe 9 of pump machine 7.
When the device is used, through the arrangement of the detection box 1, the water spraying box 2, the liquid permeable membrane 3, the filter screen 4, the connecting hopper 5, the iodine solution box 6, the pump machine 7, the liquid outlet pipe 8 and the liquid pumping pipe 9, the detection box 1 is placed inside the shell box 11, the water spraying box 2 is fixed on the inner top wall of the detection box 1, the lower surface of the water spraying box 2 is a water outlet hole, the liquid permeable membrane 3 is placed on the inner bottom wall of the detection box 1, the filter screen 4 is installed in the middle of the inner bottom wall of the detection box 1, the connecting hopper 5 is installed under the filter screen 4 on the lower surface of the detection box 1, the connecting hopper 5 connects the detection box 1 and the iodine solution box 6, the pump machine 7 is placed on the upper surface of the iodine solution box 6, the liquid outlet pipe 8 is installed at one end of the pump machine 7, the liquid outlet pipe 8 penetrates through the detection box 1 to be inserted into the water spraying box 2, the liquid pumping pipe 9 is installed at the other end of the pump machine 7, the liquid pumping pipe 9 is inserted into the iodine solution box 6, when in detection, the device is brought into a waste gas field, waste gas can be sent into the detection box 1 from the air inlet pipe 24 through the external connection exhaust fan, pump machine 7 is taken iodine solution and is sent into water spraying tank 2, 2 lower surface blowout of water spraying tank are followed to iodine solution, spray the waste gas of entering, if contain mercury in the waste gas, mercury in the waste gas can form solid-state mercury iodide with iodine solution, drop on liquid permeating film 3, and the iodine solution that does not participate in the reaction then passes through liquid permeating film 3 and enters into 6 inner loop uses of iodine solution case through connecting bucket 5 at passing filter screen 4, then can clearly see through observation window 13 and glass window 15 and have the solid matter on liquid permeating film 3, can measure and have mercury in the waste gas, thereby mercury in the spot short-term test waste gas.
In this embodiment, the lower surface of the detection box 1 is fixedly connected with the supporting legs 10, the lower surface of the supporting legs 10 is fixedly connected with the casing box 11, the front surface of the casing box 11 is fixedly connected with the outer box door 14 through the hinges, and the inner wall of the outer box door 14 is fixedly connected with the glass window 15.
In particular, the inside of the housing case 11 can be observed by the glass window 15.
In this embodiment, the front surface of the detection box 1 is fixedly connected with an inner box door 12 through a hinge, and the inner wall of the inner box door 12 is fixedly connected with an observation window 13.
During the specific use, through the setting of observation window 13, can observe the inside condition of detection case 1.
In this embodiment, inner bottom wall fixedly connected with cooler bin 16 of outer shell case 11, refrigeration chamber 17 has been seted up to cooler bin 16's inside, the inner wall fixedly connected with heat preservation membrane 20 in refrigeration chamber 17, waste gas chamber 18 has been seted up at the inside middle part of cooler bin 16, the inside lower part of cooler bin 16 has been seted up and has been placed chamber 19, the inner bottom wall of placing chamber 19 is provided with stores up mercury frame 21, place the interior roof fixedly connected with catheter 22 of chamber 19.
When the device is used specifically, the cooling box 16, the refrigeration cavity 17, the waste gas cavity 18, the placing cavity 19, the heat-insulating film 20, the mercury storage frame 21 and the liquid guide pipe 22 are arranged, the cooling box 16 is placed inside the shell box 11, the refrigeration cavity 17 is formed inside the cooling box, the refrigeration cavity 17 is in an inverted L shape, the waste gas cavity 18 and the placing cavity 19 are respectively located in the middle and the lower portion inside the cooling box 16, the heat-insulating film 20 is pasted on the inner wall of the refrigeration cavity 17, the mercury storage frame 21 is placed in the placing cavity 19, the liquid guide pipe 22 is installed on the inner top wall of the placing cavity 19, the baffle blocks on the front side of the refrigeration cavity 17 are removed, a large number of ice bags are placed in the refrigeration cavity 17 for refrigeration, after measurement, gas in the detection box 1 enters the waste gas cavity 18 through the gas guide pipe 23, after cooling through the refrigeration cavity 17, residual mercury in the waste gas can be separated out and enters the mercury storage frame 21 through the liquid guide pipe 22, and thus the waste gas entering the measurement can be treated for many times, the mercury content in the waste gas is reduced, and the waste gas is conveniently discharged into the air, so that the mercury in the waste gas can be measured, and the mercury in the waste gas can be purified and recovered.
In this embodiment, a gas-guiding tube 23 is fixedly connected to one side of the detection box 1.
When the gas guide pipe 23 is used specifically, the gas in the detection box 1 can be guided into the cooling box 16.
In this embodiment, an inlet duct 24 is fixedly connected to one side surface of the housing case 11, and an outlet duct 25 is fixedly connected to the other side surface of the housing case 11.
In particular, through the arrangement of the air inlet pipe 24 and the air outlet pipe 25, the waste gas can enter the device and then be discharged out of the device.
In this embodiment, a moving wheel 26 is fixedly attached to the lower surface of the housing case 11.
In particular, the device can be moved by providing the moving wheel 26.
The working principle is as follows: the detection box 1 is placed in the shell box 11, the water spraying box 2 is fixed on the top wall in the detection box 1, the lower surface of the water spraying box 2 is a water outlet hole, the liquid permeable membrane 3 is placed on the inner bottom wall of the detection box 1, the filter screen 4 is installed in the middle of the inner bottom wall of the detection box 1, the connecting hopper 5 is installed below the filter screen 4 on the lower surface of the detection box 1, the connecting hopper 5 connects the detection box 1 and the iodine solution box 6, the pump 7 is placed on the upper surface of the iodine solution box 6, the liquid outlet pipe 8 is installed at one end of the pump 7, the liquid outlet pipe 8 penetrates through the detection box 1 and is inserted into the water spraying box 2, the liquid pumping pipe 9 is installed at the other end of the pump 7, the liquid pumping pipe 9 is inserted into the iodine solution box 6, during detection, the device is brought into a waste gas field, waste gas can be sent into the detection box 1 from the gas inlet pipe 24 through an external exhaust fan, the iodine solution is pumped by the pump 7 and is sent into the water spraying box 2, the iodine solution is sprayed out from the lower surface of the water spraying box 2, and the entered waste gas is sprayed, if the waste gas contains mercury, the mercury in the waste gas and iodine solution can form solid mercury iodide and fall on the liquid permeable membrane 3, and the iodine solution which does not participate in the reaction passes through the filter screen 4 through the liquid permeable membrane 3 and enters the iodine solution box 6 through the connecting hopper 5 for recycling, then solid matters on the liquid permeable membrane 3 can be clearly seen through the observation window 13 and the glass window 15, and the mercury in the waste gas can be measured, so that the mercury in the waste gas can be rapidly measured on site; the cooling box 16 is arranged in the shell box 11, a refrigeration cavity 17 is arranged in the cooling box, the refrigeration cavity 17 is in an inverted L shape, the waste gas cavity 18 and the placing cavity 19 are respectively positioned in the middle and the lower part of the inside of the cooling box 16, the inner wall of the refrigeration cavity 17 is pasted with a heat insulation film 20, the mercury storage frame 21 is arranged in the placing cavity 19, the liquid guide pipe 22 is arranged on the inner top wall of the placing cavity 19, a stop block on the front surface of the refrigeration cavity 17 is removed, a large number of ice bags are placed in the refrigerating cavity 17 for refrigeration, after measurement, gas in the detection box 1 enters the waste gas cavity 18 through the gas guide tube 23, residual mercury in the waste gas can be separated out after cooling through the refrigerating cavity 17 and enters the mercury storage frame 21 through the liquid guide tube 22, thus, the waste gas entering the measurement can be treated for a plurality of times, the mercury content in the waste gas is reduced, the waste gas is conveniently discharged into the air, therefore, mercury in the waste gas can be measured, and the waste gas mercury can be purified and recovered.
Example 2
As shown in fig. 6, the distinguishing features of this embodiment that distinguish embodiment 1 are: a grip 27 is fixedly connected to the upper surface of the housing case 11.
When in specific use, the device can be pushed to move or is convenient to carry through the arrangement of the handle 27.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a device of mercury in short-term test waste gas, includes detection case (1), its characterized in that: roof fixedly connected with water spray tank (2) of detection case (1), the interior diapire fixedly connected with of detection case (1) permeates liquid membrane (3), the inner wall fixedly connected with filter screen (4) of detection case (1) lower surface, the lower fixed surface of detection case (1) is connected with connecting bucket (5), the lower fixed surface of connecting bucket (5) is connected with iodine liquid case (6), the last fixed surface of iodine liquid case (6) is connected with pump machine (7), the one end fixedly connected with drain pipe (8) of pump machine (7), the other end fixedly connected with liquid suction pipe (9) of pump machine (7).
2. The apparatus for rapid determination of mercury in flue gas as claimed in claim 1, wherein: the lower fixed surface of detection case (1) is connected with supporting leg (10), the lower fixed surface of supporting leg (10) is connected with outer case (11), outer case door (14) are connected with through hinge fixedly in the front of outer case (11), the inner wall fixedly connected with glass window (15) of outer case door (14).
3. The apparatus for rapid determination of mercury in flue gas as claimed in claim 1, wherein: the front surface of the detection box (1) is fixedly connected with an inner box door (12) through a hinge, and the inner wall of the inner box door (12) is fixedly connected with an observation window (13).
4. The apparatus for rapid determination of mercury in flue gas according to claim 2, wherein: inner diapire fixedly connected with cooler bin (16) of outer shell case (11), refrigeration chamber (17) have been seted up to the inside of cooler bin (16), the inner wall fixedly connected with heat preservation membrane (20) of refrigeration chamber (17), waste gas chamber (18) have been seted up at the inside middle part of cooler bin (16), chamber (19) have been seted up to the inside lower part of cooler bin (16), the inner diapire of placing chamber (19) is provided with stores up mercury frame (21), the interior roof fixedly connected with catheter (22) of placing chamber (19).
5. The apparatus for rapid determination of mercury in flue gas as claimed in claim 1, wherein: one side surface of the detection box (1) is fixedly connected with an air duct (23).
6. The apparatus for rapid determination of mercury in flue gas according to claim 2, wherein: one side face of the outer shell box (11) is fixedly connected with an air inlet pipe (24), and the other side face of the outer shell box (11) is fixedly connected with an air outlet pipe (25).
7. The apparatus for rapid determination of mercury in flue gas according to claim 2, wherein: the lower surface of the shell box (11) is fixedly connected with a movable wheel (26).
8. The apparatus for rapid determination of mercury in flue gas according to claim 2, wherein: the upper surface of the outer shell box (11) is fixedly connected with a handle (27).
CN202122963425.0U 2021-11-29 2021-11-29 Device for rapidly determining mercury in waste gas Active CN216816459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122963425.0U CN216816459U (en) 2021-11-29 2021-11-29 Device for rapidly determining mercury in waste gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122963425.0U CN216816459U (en) 2021-11-29 2021-11-29 Device for rapidly determining mercury in waste gas

Publications (1)

Publication Number Publication Date
CN216816459U true CN216816459U (en) 2022-06-24

Family

ID=82051927

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122963425.0U Active CN216816459U (en) 2021-11-29 2021-11-29 Device for rapidly determining mercury in waste gas

Country Status (1)

Country Link
CN (1) CN216816459U (en)

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