CN217549440U - Analytic waste gas absorbing device - Google Patents
Analytic waste gas absorbing device Download PDFInfo
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- CN217549440U CN217549440U CN202221178378.7U CN202221178378U CN217549440U CN 217549440 U CN217549440 U CN 217549440U CN 202221178378 U CN202221178378 U CN 202221178378U CN 217549440 U CN217549440 U CN 217549440U
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Abstract
The utility model discloses a desorption waste gas absorption device in the technical field of waste gas absorption devices, which comprises an absorption tower, wherein one side of the bottom of the absorption tower is provided with an air inlet which is communicated with an air outlet of a desorption room through an air inlet pipeline, and the air inlet pipeline is also provided with a gas-solid exchange filter device; a spraying device comprising a spraying pipe is arranged in the absorption tower, a solid filler adsorption box for absorbing waste gas is arranged below the spraying head, the solid filler adsorption box is arranged at the upper part of the sieve plate, and two ends of the sieve plate are fixedly connected on the inner wall of the absorption tower; the bottom of the absorption tower is provided with a neutralization pond which is filled with waste gas to be absorbed, one end of the bottom of the neutralization pond is provided with a sewage discharge outlet, the other end of the neutralization pond is connected with a dosing pond, the side wall of the dosing pond is provided with a water inlet pipe, and the water inlet pipe extends out of the dosing pond and is communicated with the outside and a tap water pipe. This device carries out purification treatment to the tail gas of emission between the analysis, makes waste gas, waste water after the processing reach the emission requirement, and waste gas purification is effectual, purification efficiency is high.
Description
Technical Field
The utility model relates to a waste gas absorbing device technical field, in particular to analytic waste gas absorbing device.
Background
The waste gas discharged from the analysis room usually contains toxic and harmful gas, and the waste gas has little and discontinuous discharge amount and uncertain discharge time, is directly discharged into the atmospheric environment without being treated, and can cause air pollution in the past for a long time.
A laboratory waste gas purification treatment system is published in a Chinese patent database, and the publication number is as follows: CN206424748U, announcement day: 2017.08.22, the system comprises a machine body, wherein a toxic gas detection device is arranged at the top end of the machine body, a single chip microcomputer is arranged on one side of the toxic gas detection device, and the single chip microcomputer is electrically connected with the machine body and the toxic gas detection device respectively; the air exhaust cover is arranged on one side of the machine body, the air exhaust cover is communicated with the air exhaust pump arranged in the machine body through a pipeline, a clean water tank is fixed below the air exhaust pump, the lower end of the clean water tank is provided with a water outlet, the side wall of the clean water tank is provided with a water filling port, the water filling port penetrates through the side wall of the machine body, one side of the clean water tank away from the water filling port is provided with an alkaline solution tank, the device removes acidity and soluble gas in toxic gas through the filtering reaction of clean water and alkaline solution, and finally, the air in a laboratory is effectively purified through the action of an adsorption device. However, the device has a complex system structure and a slow reaction speed, and the purification effect on the waste gas cannot be effectively ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect among the prior art, providing an exhaust gas absorption device between analysis, carrying out purification treatment to the tail gas of discharging between the analysis, make waste gas, the waste water after handling reach the emission requirement.
The purpose of the utility model is realized like this: the analytic waste gas absorption device comprises an absorption tower, wherein one side of the bottom of the absorption tower is provided with an air inlet, the air inlet is communicated with an air outlet of an analytic room through an air inlet pipeline, and the air inlet pipeline is also provided with a gas-solid exchange filtering device; a spraying device comprising a spraying pipe is arranged in the absorption tower, a solid filler adsorption box for absorbing waste gas is arranged below the spraying head, the solid filler adsorption box is arranged at the upper part of a sieve plate, and two ends of the sieve plate are fixedly connected to the inner wall of the absorption tower; the bottom of absorption tower is equipped with the neutralization pond that lets in and wait to absorb waste gas, is equipped with the drain in the one end of neutralization pond bottom, and the other end in neutralization pond is connected with throws the medicine pond, throw and seted up the inlet tube on the medicine pond lateral wall, the inlet tube extends to throw the medicine pond outward with outside and water pipe UNICOM.
The utility model discloses during operation, the waste gas that produces between the analysis is discharged into the absorption tower through the admission line, at first carry out first adsorption and filtration through gas-solid exchange filter equipment, get rid of impurity such as some harmful gas and smugglied dust secretly, later the waste gas enters into the absorption tower, spray downwards by spray set and carry out gas-liquid exchange with the waste gas and reach the purpose of getting rid of harmful gas in the waste gas, the waste gas after the purification is discharged by the absorption tower top, absorb waste water and flow into in the neutralization pond of absorption tower below and neutralize the processing; compared with the prior art, the beneficial effects of the utility model reside in that: the waste gas and waste water treated by the analytic waste gas absorption device of the utility model meet the emission requirements, and the emission of the environment reaching the standard without pollution is effectively ensured; the device has simple and compact structure, simple pipeline connection and easy construction, performs double adsorption filtration on the waste gas by arranging the gas-solid exchange filtering device and the spraying device, has high purification efficiency, and effectively removes harmful gas and impurities in the waste gas; the water inlet and the water outlet of the neutralization pond in the device can realize remote monitoring control, save field labor and improve control precision.
Furthermore, the gas-solid exchange and filtration device comprises an activated carbon adsorption tank, a flower plate with a leak hole is arranged on one side of the activated carbon adsorption tank facing the analytic waste gas source, a filter plate filled with a ceramic pipe is further arranged on one side of the activated carbon adsorption tank facing the absorption tower, and granular impurities entrained in the waste gas are intercepted by the flower plate, so that the impurities are prevented from entering the fan and damaging the fan.
Furthermore, a fan is arranged on an air inlet pipeline between the gas-solid exchange filtering device and the absorption tower, an exhaust fan is arranged at the top of the absorption tower, waste gas in the analysis room is exhausted into the absorption tower by the fan, the concentration of the waste gas in the absorption tower is guaranteed to be controllably kept within a certain range, the exhaust fan at the top of the absorption tower and the air outlet of the fan form convection, and the purified clean waste is exhausted from the exhaust fan.
Furthermore, the spraying device comprises a circulating water pump fixed outside the absorption tower, the circulating water pump absorbs water from the neutralization tank, a water outlet of the circulating water pump is connected to a vertical spraying pipe in the absorption tower and is communicated with an upper transverse spraying pipe and a lower transverse spraying pipe, the upper transverse spraying pipe and the lower transverse spraying pipe are respectively arranged above the two solid filler adsorption boxes, and a plurality of spraying ports are formed in pipe surfaces of the spraying pipes, which face the solid filler adsorption boxes; get into the waste gas in the absorption tower, waste gas is in discrete, full state, under spraying of shower, waste gas and absorption liquid fully contact, and partial harmful gas is absorbed by the absorption liquid and is further absorbed purification treatment through solid filler adsorption tank, improves harmful gas's purification efficiency in the waste gas, and circulating water pump sets up in the absorption tower outside, and the maintenance in installation and later stage is convenient, improves life.
Further, the solid filler adsorption box is a ceramic tube.
Furthermore, the drain outlet is connected with a drain pipe outside the absorption tower, a drain valve is arranged on the drain pipe, a water inlet valve is arranged on the water inlet pipe, the drain valve and the water inlet valve are electromagnetic valves, the liquid level in the neutralization tank reaches a certain level, the water inlet can be closed through controlling the electromagnetic valves to enter water, or the water outlet pipe is opened to discharge water, and the height of absorption liquid in the neutralization tank is accurately and efficiently controlled.
Furthermore, a dosing port is arranged above the dosing pool, a liquid level floating ball is arranged in the dosing pool, the liquid level floating ball is connected with a water inlet valve on the water inlet pipe through a connecting rod, the liquid level floating ball converts the position of the liquid level into an electric signal and remotely transmits the electric signal to a display instrument to display the height of the liquid level in the dosing pool, the remote detection and control of the liquid level can be realized, and the liquid level floating ball is acid-resistant and alkali-resistant and is suitable for being used in a neutralization pool.
Drawings
Fig. 1 is a schematic structural view of the analytic exhaust gas absorption device of the present invention.
In the upper drawing, 1 analysis room, 2 flower plates, 3 activated carbon adsorption tanks, 4 filter plates, 5 fans, 6 absorption towers, 7 exhaust fans, 8 transverse spray pipes, 9 vertical spray pipes, 10 solid filler adsorption tanks, 11 neutralization tanks, 12 circulating water pumps, 13 dosing tanks, 14 dosing ports, 15 liquid level floating balls, 16 water inlet valves, 17 air inlet pipelines, 18 sieve plates and 19 blow-down valves.
Detailed Description
As shown in fig. 1, the desorption waste gas absorption device comprises an absorption tower 6, wherein an air inlet is formed in one side of the bottom of the absorption tower 6, the air inlet is communicated with an air outlet of a desorption room 1 through an air inlet pipeline 17, and a gas-solid exchange filter device is further arranged on the air inlet pipeline 17; a spraying device comprising a spraying pipe is arranged in the absorption tower 6, a solid filler adsorption box 10 for absorbing waste gas is arranged below the spraying pipe, the solid filler adsorption box 10 is arranged at the upper part of a sieve plate 18, and two ends of the sieve plate 18 are fixedly connected to the inner wall of the absorption tower 6; be equipped with in the bottom of absorption tower 6 and let in the neutralization pond 11 that treats the absorption waste gas, be equipped with the drain in the one end of neutralization pond 11 bottom, the other end in neutralization pond 11 is connected with throws medicine pond 13, has seted up the inlet tube on throwing medicine pond 13 lateral wall, and the inlet tube extends to throw medicine pond outer 13 and outside and water pipe UNICOM.
The gas-solid exchange filtering device comprises an activated carbon adsorption tank 3, a flower plate 2 with a leakage hole is arranged on one side of the activated carbon adsorption tank 3 facing the analysis room 1, a filter plate 4 filled with a ceramic tube is further arranged on one side of the activated carbon adsorption tank 3 facing an absorption tower 6, and granular impurities entrained in the waste gas are intercepted by the flower plate 2, so that the impurities are prevented from entering a fan 5 to damage the fan 5.
A fan 5 is arranged on an air inlet pipeline 17 between the gas-solid exchange filtering device and the absorption tower 6, an exhaust fan 7 is arranged at the top of the absorption tower 6, the fan 5 discharges the waste gas in the analysis room 1 into the absorption tower 6 to ensure that the concentration of the waste gas in the absorption tower 6 is controllably kept in a certain range, the exhaust fan 7 at the top of the absorption tower 6 and the air outlet of the fan 5 form convection, and the purified clean waste is discharged from the exhaust fan 7.
The spraying device comprises a circulating water pump 12 fixed outside the absorption tower 6, the circulating water pump 12 absorbs water from a neutralization tank 11, a water outlet of the circulating water pump 12 is connected into a vertical spraying pipe 9 in the absorption tower 6 and is communicated with an upper transverse spraying pipe 8 and a lower transverse spraying pipe 8, the upper transverse spraying pipe 8 and the lower transverse spraying pipe 8 are respectively arranged above the two solid filler adsorption tanks 10, and a plurality of spraying openings are formed in pipe surfaces of the spraying pipes, which face the solid filler adsorption tanks 10; get into the waste gas in the absorption tower 6 and be in discrete, full state, under spraying of shower, waste gas and absorption liquid fully contact, and partial harmful gas is absorbed by the absorption liquid and is further absorbed purification treatment through solid filler adsorption tank 10 again, improves harmful gas's purification efficiency in the waste gas, and circulating water pump 12 sets up in absorption tower 6 outsidely, and the maintenance in installation and later stage is convenient, improves life.
The solid packing in the solid packing adsorption box 10 is a ceramic tube.
The drain is connected with the blow off pipe to absorption tower 6 outer, is equipped with blowoff valve 19 on the blow off pipe, is equipped with water intaking valve 16 on the inlet tube, and blowoff valve 19 and water intaking valve 16 are the solenoid valve, and the liquid level height in the neutralization pond 11 reaches certain water level in the middle of, can close the water inlet through control solenoid valve and intake, perhaps open the outlet pipe and go out water, accurately controls the height of the interior absorption liquid of neutralization pond 11 with high efficiency.
Set up above the pond of throwing 13 of throwing medicine and throw medicine mouth 14, be equipped with liquid level floater 15 in the pond of throwing medicine 13, liquid level floater 15 is connected with water intaking valve 16 on the inlet tube through the connecting rod, thereby liquid level floater 15 is through turning into the liquid level position signal of telecommunication teletransmission and showing the liquid level height in the pond of throwing medicine 13 to the remote detection and the control of liquid level can be realized to liquid level floater 15 acid and alkali-resistance is suitable for and uses in neutralization pond 11.
The utility model discloses the during operation, waste gas that 1 produced between will analyzing is discharged into absorption tower 6 through admission line 17, at first carry out first absorption filtration through gas-solid exchange filter equipment, get rid of impurity such as part harmful gas and smuggle secretly dust, later in waste gas enters into absorption tower 6, spray absorption liquid downwards by spray set and carry out gas-liquid exchange with waste gas and reach the purpose of getting rid of harmful gas in the waste gas, waste gas after the purification is discharged by exhaust fan 7 at absorption tower 6 top, another part is absorbed by the absorption liquid and is further got rid of harmful gas through solid packing box 10 by absorption purification once more downwards, later pass sieve 18 of solid packing box 10 below, fall into neutralization pond 11 and carry out neutralization treatment, waste gas is through gas-liquid exchange in absorption tower 6, liquid-solid exchange, gas-solid exchange absorbs the purification several times repeatedly, the purification degree of waste gas is high, waste water reaches the emission requirement, effectively guaranteed the pollution-free emission to the environment, be suitable for and use in waste gas absorption apparatus.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative labor, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides an analytic waste gas absorbing device, includes the absorption tower, its characterized in that: an air inlet is formed in one side of the bottom of the absorption tower and communicated with an air outlet of the analysis room through an air inlet pipeline, and an air-solid exchange filtering device is further arranged on the air inlet pipeline; a spraying device comprising a spraying pipe is arranged in the absorption tower, a solid filler adsorption box for absorbing waste gas is arranged below the spraying head, the solid filler adsorption box is arranged at the upper part of a sieve plate, and two ends of the sieve plate are fixedly connected to the inner wall of the absorption tower; the bottom of absorption tower is equipped with the neutralization pond that lets in and wait to absorb waste gas, is equipped with the drain in the one end of neutralization pond bottom, and the other end in neutralization pond is connected with throws the medicine pond, throw and seted up the inlet tube on the medicine pond lateral wall, the inlet tube extends to throw the medicine pond outward with outside and water pipe UNICOM.
2. A desorption exhaust gas absorption unit according to claim 1 wherein: the gas-solid exchange filtering device comprises an activated carbon adsorption tank, wherein a pattern plate with a leakage hole is arranged on one side of the activated carbon adsorption tank facing to the source of the waste gas in the analysis room, and a filter plate filled with ceramic tubes is arranged on one side of the activated carbon adsorption tank facing to the absorption tower.
3. A desorption exhaust gas absorption unit according to claim 2 wherein: and a fan is also arranged on an air inlet pipeline between the gas-solid exchange filtering device and the absorption tower, and an exhaust fan is arranged at the top of the absorption tower.
4. The desorption exhaust gas absorption device according to claim 1 wherein: the spraying device comprises a circulating water pump fixed outside the absorption tower, the circulating water pump absorbs water from a neutralization pond, a water outlet of the circulating water pump is connected into a vertical spraying pipe in the absorption tower and communicated with an upper transverse spraying pipe and a lower transverse spraying pipe, the upper transverse spraying pipe and the lower transverse spraying pipe are respectively arranged above the two solid filler adsorption boxes, and a plurality of spraying openings are formed in the spraying pipes on the pipe surface facing the solid filler adsorption boxes.
5. The desorption exhaust gas absorption device according to claim 4 wherein: the solid filler adsorption box is a ceramic tube.
6. A desorption exhaust gas absorption unit according to claim 1 wherein: the sewage draining outlet is connected with a sewage draining pipe outside the absorption tower, a sewage draining valve is arranged on the sewage draining pipe, a water inlet valve is arranged on the water inlet pipe, and the sewage draining valve and the water inlet valve are both electromagnetic valves.
7. A desorption exhaust gas absorption unit according to claim 6 wherein: and a medicine feeding port is arranged above the medicine feeding pool, a liquid level floating ball is arranged in the medicine feeding pool, and the liquid level floating ball is connected with a water inlet valve on the water inlet pipe through a connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221178378.7U CN217549440U (en) | 2022-05-17 | 2022-05-17 | Analytic waste gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221178378.7U CN217549440U (en) | 2022-05-17 | 2022-05-17 | Analytic waste gas absorbing device |
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| Publication Number | Publication Date |
|---|---|
| CN217549440U true CN217549440U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221178378.7U Active CN217549440U (en) | 2022-05-17 | 2022-05-17 | Analytic waste gas absorbing device |
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| Country | Link |
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| CN (1) | CN217549440U (en) |
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2022
- 2022-05-17 CN CN202221178378.7U patent/CN217549440U/en active Active
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