CN109224725B - Waste gas filtering system - Google Patents
Waste gas filtering system Download PDFInfo
- Publication number
- CN109224725B CN109224725B CN201811325464.4A CN201811325464A CN109224725B CN 109224725 B CN109224725 B CN 109224725B CN 201811325464 A CN201811325464 A CN 201811325464A CN 109224725 B CN109224725 B CN 109224725B
- Authority
- CN
- China
- Prior art keywords
- gas treatment
- treatment tank
- pipe
- exhaust gas
- waste gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 159
- 238000001914 filtration Methods 0.000 title claims abstract description 143
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 147
- 239000007788 liquid Substances 0.000 claims description 82
- 239000007921 spray Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006698 induction Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a novel waste gas filtering system, which comprises a base, wherein a first waste gas treatment tank, a second waste gas treatment tank and a third waste gas treatment tank are arranged on the base, a first filter plate is arranged in the first waste gas treatment tank, a first lower layer filtering device and a second filter plate are arranged in the second waste gas treatment tank, a second upper layer filtering device, a second lower layer filtering device and a third filter plate are arranged in the third waste gas treatment tank, a first air inlet pipeline is arranged on the first waste gas treatment tank, the first waste gas treatment tank is connected with the second waste gas treatment tank, a spraying device is arranged between the second waste gas treatment tank, the third waste gas treatment tank and a main water inlet pipe, an exhaust main pipe is arranged on the third waste gas treatment tank, the second waste gas treatment tank is connected with the exhaust main pipe, and a second air inlet pipeline is arranged on the third waste gas treatment tank. The invention has the advantages of reasonable structure, effectively improving the efficiency and effect of waste gas filtering treatment, improving the utilization rate of resources and avoiding the waste of resources.
Description
Technical Field
The invention relates to the field of related devices for waste gas treatment, in particular to a waste gas filtering system.
Background
At present, waste gas treatment is generally carried out by directly introducing the waste gas into a waste gas treatment tank for spraying and filtering treatment, and the waste gas is not treated separately according to the concentration of the waste gas, so that the conditions that the treatment time is too long, the working efficiency cannot be ensured or the filtering effect is poor are caused. Meanwhile, the waste gas treatment tank is internally provided with no other device for assisting in filtering waste gas, and the phenomenon that the waste gas is insufficiently contacted with the treated liquid can be caused when the waste gas is sprayed.
Disclosure of Invention
The object of the present invention is to provide an exhaust gas filtering system solving one or more of the above-mentioned problems of the prior art.
The invention relates to an exhaust gas filtering system, which comprises a base, wherein three exhaust gas treatment tanks are arranged on the base, the three exhaust gas treatment tanks are sequentially a first exhaust gas treatment tank, a second exhaust gas treatment tank and a third exhaust gas treatment tank from left to right, a first filter plate is arranged in the first exhaust gas treatment tank, a first support is arranged in the second exhaust gas treatment tank, a first lower layer filtering device and a second filter plate arranged below the first lower layer filtering device are arranged on the first support, an exhaust gas filtering device is arranged in the third exhaust gas treatment tank, the exhaust gas filtering device comprises a second support, a second upper layer filtering device, a second lower layer filtering device and a third filter plate arranged below the second lower layer filtering device, the second upper layer filtering device, the second lower layer filtering device and the third filter plate are sequentially arranged on the second support from top to bottom, a first air inlet pipeline is arranged on the first exhaust gas treatment tank, a water outlet of the second exhaust gas treatment tank is arranged below the second lower layer filtering device, an exhaust gas outlet of the second exhaust gas treatment tank is arranged below the third filter plate, an exhaust gas inlet pipe is arranged between the third filter plate and the second exhaust gas treatment tank and the second main pipe, a three-waste gas treatment device is arranged between the second upper layer filtering device and the second main pipe, and the third exhaust gas treatment tank is arranged between the third exhaust gas filtering device and the second exhaust gas treatment tank, and the third waste gas treatment tank is arranged between the third filter plate and the second main pipe, and the third waste gas treatment tank is arranged between the third waste gas treatment tank and the third filter device and the third main pipe, and the waste gas treatment tank is arranged between the waste gas treatment tank and the third main pipeline and the waste gas treatment tank, and the waste gas treatment tank and the waste gas treatment device is arranged.
Wherein, second lower floor filter equipment is the same with first lower floor filter equipment's structure, second lower floor exhaust gas filter equipment is different with first lower floor filter equipment's size, all be equipped with a plurality of filtration holes on first filter, second filter and the third filter, all include a first filter screen in first lower floor filter equipment, second upper filter equipment and the second lower floor filter equipment, and the slope sets up the auxiliary filter between first filter screen and second filter screen, be equipped with four at least auxiliary filter plates between first filter screen and the second filter screen, be equipped with auxiliary filtration hole on every auxiliary filter plate, wherein all be equipped with the auxiliary sheet on the lower surface of auxiliary filter in second upper filter equipment, the upper surface of auxiliary filter in first lower floor filter equipment and the second lower floor filter equipment.
Further, the second upper layer filtering device and the second lower layer filtering device are symmetrically distributed.
Further, the outer edges of the first filter screen and the second filter screen are contacted with the inner wall of the second waste gas treatment tank or the third waste gas treatment tank.
Further, the auxiliary filter plates arranged between the first filter screen and the second filter screen are connected with each other to form a wavy filter plate.
Further, wherein be equipped with a plurality of auxiliary filtration holes on every auxiliary filtration board, the lower surface of auxiliary filtration board in the second upper filter device, all be equipped with a plurality of auxiliary pieces on the upper surface of auxiliary filtration board in first lower filter device and the second lower filter device, the one end and the auxiliary filtration board of auxiliary piece are connected, and the other end of auxiliary piece is the zigzag, and auxiliary filtration hole avoids auxiliary piece setting.
The bottom of the first waste gas treatment tank is provided with a water outlet, the water outlet on the first waste gas treatment tank is arranged below the first filter plate, the water outlet is provided with a hole plug or a control valve, and the water outlet of the water outlet is controlled by the hole plug or the control valve.
Wherein, all set up perpendicularly in first exhaust-gas treatment jar, second exhaust-gas treatment jar and the third exhaust-gas treatment jar and be provided with two liquid level inductors, one of two liquid level inductors is as low liquid level induction device, and another is as high liquid level induction device, and the liquid level inductor that is as low liquid level induction device is located highly be less than the liquid level inductor that is as high liquid level induction device.
Wherein, gas transmission device includes auxiliary exhaust pipe and air pump, and the air pump setting is on auxiliary exhaust pipe, and auxiliary exhaust pipe's one end is connected with the top of first exhaust-gas treatment jar, and auxiliary exhaust pipe's the other end is connected with the second exhaust-gas treatment jar, and auxiliary exhaust pipe sets up in first lower floor filter equipment's top with the junction of second exhaust-gas treatment jar, and auxiliary exhaust pipe is less than the height that the shower head is located with the junction of second exhaust-gas treatment jar, and the air pump is arranged in discharging into the second exhaust-gas treatment jar through auxiliary exhaust pipe and sprays the processing.
Wherein, be equipped with supplementary intake pipe on the first air intake pipe, supplementary intake pipe sets up in first exhaust-gas treatment jar, and the one end and the first air intake pipe of supplementary intake pipe are connected, and the other end of supplementary intake pipe passes the bottom that first filter inserted first exhaust-gas treatment jar, and the gas of discharging in the first air intake pipe gets into in the first exhaust-gas treatment jar through the gap between supplementary intake pipe, supplementary intake pipe bottom surface and the bottom surface of first exhaust-gas treatment jar.
Wherein the first waste gas treatment tank is provided with a compensation device connected with a water outlet of the second waste gas treatment tank and a water outlet of the third waste gas treatment tank, the compensation device comprises a water suction pump, a main pipeline, a first auxiliary branch pipe, a second auxiliary branch pipe and an ingress pipe, the first auxiliary branch pipe and the second auxiliary branch pipe are both connected with the main pipeline, the main pipeline is connected with a water inlet of the water suction pump, a water outlet of the water suction pump is connected with one end of the ingress pipe, the other end of the ingress pipe is connected with a first waste gas treatment tank, a third circulation pipe is arranged on the first waste gas treatment tank below the ingress pipe and connected with the main pipeline, the connection part of the third circulation pipe and the first waste gas treatment tank is arranged above the first filter plate, and a control valve is arranged on the ingress pipe, the first auxiliary branch pipe, the second auxiliary branch pipe and the third circulation pipe.
Wherein, spray set includes suction pump, water conduit, first outlet pipe, second outlet pipe and shower head, is equipped with two water conduits on the main inlet tube, connects a suction pump on two water conduits respectively, and the water conduit is connected with the water inlet of suction pump, and the delivery port of one of them suction pump is connected and is inserted the first outlet pipe of third waste gas treatment jar, and the top of first outlet pipe is equipped with a shower head, and the delivery port of another suction pump is connected and is inserted the second outlet pipe of second waste gas treatment jar, and the top of second outlet pipe is equipped with a shower head.
Further, the water conduit connected with the water pump connected with the first water outlet pipe is a first water conduit, the water conduit connected with the water pump connected with the second water outlet pipe is a second water conduit, a first circulating pipe is arranged on the third waste gas treatment tank, one end of the first circulating pipe is connected with a third waste gas treatment tank, the joint of the third waste gas treatment tank of the first circulating pipe is arranged below the third filter plate, the other end of the first circulating pipe is connected with the first water conduit, and control valves are arranged on the first water conduit and the first circulating pipe between the first circulating pipe and the main water inlet pipe; the second waste gas treatment tank is provided with a second circulating pipe, one end of the second circulating pipe is connected with the second waste gas treatment tank, the connection part of the second circulating pipe and the second waste gas treatment tank is arranged below the second filter plate, the other end of the second circulating pipe is connected with a second water diversion pipe, and control valves are arranged on the second water diversion pipe between the second circulating pipe and the main water inlet pipe and on the second circulating pipe.
The exhaust gas filtering system has the advantages that: the waste gas filtering system has the advantages that the structure is reasonable, the function is practical, waste gases with different concentrations can be separately treated and filtered, the waste gas treatment efficiency is effectively improved, the waste gas filtering effect is ensured, and meanwhile, the waste gas filtering system can also effectively improve the resource utilization rate and avoid the waste of resources.
Drawings
FIG. 1 is a schematic diagram of an exhaust gas filtration system according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A-a of FIG. 1.
Detailed Description
As shown in fig. 1 and 2, this embodiment proposes an exhaust gas filtering system, which comprises a base 1, three exhaust gas treatment tanks are arranged on the base 1, the three exhaust gas treatment tanks are sequentially a first exhaust gas treatment tank 2, a second exhaust gas treatment tank 3 and a third exhaust gas treatment tank 4 from left to right, a first filter plate 901 is arranged in the first exhaust gas treatment tank 2, a first support is arranged in the second exhaust gas treatment tank 3, a first lower layer filtering device and a second filter plate arranged below the first lower layer filtering device are arranged on the first support, an exhaust gas filtering device is arranged in the third exhaust gas treatment tank 4, the exhaust gas filtering device comprises a second support 905, a second upper layer filtering device, a second lower layer filtering device and a third filter plate 904 arranged below the second lower layer filtering device, the second upper layer filtering device, the second lower layer filtering device and the third filter plate 904 are sequentially arranged on the second support 905 from top to bottom, the second lower layer filtering device has the same structure as the first lower layer filtering device, the second lower layer exhaust gas filtering device has different sizes from the first lower layer filtering device, the second upper layer filtering device and the second lower layer filtering device are symmetrically distributed, a plurality of filtering holes are respectively arranged on the first filtering plate 901, the second filtering plate and the third filtering plate 904, each of the first lower layer filtering device, the second upper layer filtering device and the second lower layer filtering device comprises a first filtering screen 902, a second filtering screen 903 and an auxiliary filtering plate 906 obliquely arranged between the first filtering screen 902 and the second filtering screen 903, the outer edges of the first filtering screen 902 and the second filtering screen 903 are respectively contacted with the inner wall of the second exhaust gas treatment tank 3 or the third exhaust gas treatment tank 4, at least four auxiliary filtering plates 906 are arranged between the first filtering screen 902 and the second filtering screen 903, the wave-shaped filter plates formed by mutually connecting auxiliary filter plates 906 arranged between the first filter screen 902 and the second filter screen 903 are provided with a plurality of auxiliary filter holes 907 on each auxiliary filter plate 906, wherein a plurality of auxiliary pieces 908 are arranged on the lower surface of the auxiliary filter plate 906 in the second upper layer filter device, the upper surfaces of the auxiliary filter plates 906 in the first lower layer filter device and the second lower layer filter device, one ends of the auxiliary pieces 908 are connected with the auxiliary filter plates 906, the other ends of the auxiliary pieces 908 are in a zigzag shape, and the auxiliary filter holes 907 are arranged avoiding the auxiliary pieces 908. The first exhaust gas treatment tank 2 is provided with a first air inlet pipeline 501, the first air inlet pipeline 501 is used for introducing high-concentration exhaust gas, the first air inlet pipeline 501 is provided with an auxiliary air inlet pipe 502, the auxiliary air inlet pipe 502 is arranged in the first exhaust gas treatment tank 2, one end of the auxiliary air inlet pipe 502 is connected with the first air inlet pipeline 501, the other end of the auxiliary air inlet pipe 502 penetrates through the first filter plate 901 to be inserted into the bottom of the first exhaust gas treatment tank 2, and gas discharged from the first air inlet pipeline 501 enters the first exhaust gas treatment tank 2 through gaps among the auxiliary air inlet pipe 502, the bottom surface of the auxiliary air inlet pipe 502 and the bottom surface of the first exhaust gas treatment tank 2, so that the exhaust gas can fully contact with liquid in the first exhaust gas treatment tank 2; the bottom of the first waste gas treatment tank 2 is provided with a water outlet, a hole plug or a control valve is arranged on the water outlet, the water outlet on the first waste gas treatment tank 2 is arranged below the first filter plate 901, the water outlet of the second waste gas treatment tank 3 is arranged below the second filter plate, the water outlet of the third waste gas treatment tank 4 is arranged below the third filter plate 904, the first waste gas treatment tank 2 is provided with a compensation device connected with the water outlet of the second waste gas treatment tank 3 and the water outlet of the third waste gas treatment tank 4, the compensation device comprises a water suction pump 702, a main pipeline 804, a first auxiliary branch pipe 801, a second auxiliary branch pipe 802 and an ingress pipe 805, the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 are connected with the main pipeline 804, the main pipeline 804 is connected with a water inlet of the water suction pump 702, the water outlet of the water suction pump 702 is connected with one end of the ingress pipe 805, the other end of the ingress pipe 805 is connected with the first ingress pipe 2, the first waste gas treatment tank 2 below the ingress pipe 805 is provided with a third 803, the connection part of the third waste gas treatment tank 2 is provided with the first filter plate and the first circulation pipe 803 is arranged above the first filter plate and the first circulation pipe 803, the first circulation pipe 803 and the first auxiliary branch pipe 803 can be prevented from being excessively blocked by the first circulation device and the second auxiliary branch pipe 803, and the first filter pipe 803 is also can be excessively connected with the first circulation device and the auxiliary circulation device is used for filtering and the filter device is capable of being used for filtering and complicated by the filter and the filter device; a gas transmission device is arranged between the first exhaust gas treatment tank 2 and the second exhaust gas treatment tank 3, the gas transmission device comprises an auxiliary exhaust pipe 503 and an air pump 504, the air pump 504 is arranged on the auxiliary exhaust pipe 503, one end of the auxiliary exhaust pipe 503 is connected with the top of the first exhaust gas treatment tank 2, the other end of the auxiliary exhaust pipe 503 is connected with the second exhaust gas treatment tank 3, the height of the joint of the auxiliary exhaust pipe 503 and the second exhaust gas treatment tank 3 is smaller than that of a spray header 704, the joint of the auxiliary exhaust pipe 503 and the second exhaust gas treatment tank 3 is arranged above the first lower layer filtering device, and the air pump 504 is used for discharging the gas in the first exhaust gas treatment tank 2 into the second exhaust gas treatment tank 3 through the auxiliary exhaust pipe 503 for spray treatment; the spraying device comprises a water suction pump 702, water guide pipes, a first water outlet pipe 703, a second water outlet pipe 705 and a spraying head 704, wherein the two water guide pipes are arranged on the main water inlet pipe 701, one water suction pump 702 is respectively connected to the two water guide pipes, the water guide pipes are connected with a water inlet of the water suction pump 702, a water outlet of one water suction pump 702 is connected with the first water outlet pipe 703 inserted into the third waste gas treatment tank 4, the top of the first water outlet pipe 703 is provided with the spraying head 704, a water outlet of the other water suction pump 702 is connected with the second water outlet pipe 705 inserted into the second waste gas treatment tank 3, and the top of the second water outlet pipe 705 is provided with the spraying head 704; the water conduit connected with the water suction pump 702 connected with the first water outlet pipe 703 is a first water conduit, the water conduit connected with the water suction pump 702 connected with the second water outlet pipe 705 is a second water conduit, the third waste gas treatment tank 4 is provided with a first circulating pipe 601, the joint of the third waste gas treatment tank 4 of the first circulating pipe 601 is arranged below the third filter plate 904, one end of the first circulating pipe 601 is connected with the third waste gas treatment tank 4, the other end is connected with the first water conduit, and control valves 9 are arranged on the first water conduit between the first circulating pipe 601 and the main water inlet pipe 701 and on the first circulating pipe 601; the second exhaust gas treatment tank 3 is provided with a second circulating pipe 602, the connection part of the second circulating pipe 602 and the second exhaust gas treatment tank 3 is arranged below the second filter plate, one end of the second circulating pipe 602 is connected with the second exhaust gas treatment tank 3, the other end of the second circulating pipe 602 is connected with a second water diversion pipe, the second water diversion pipe between the second circulating pipe 602 and the main water inlet pipe 701 and the second circulating pipe 602 are respectively provided with a control valve 9, and the arrangement of the first circulating pipe 601, the second circulating pipe 602 and the third circulating pipe 803 can enable the liquid in the first exhaust gas treatment tank 2, the second exhaust gas treatment tank 3 and the third exhaust gas treatment tank 4 to be in dynamic state, so that the liquid in the first exhaust gas treatment tank 2, the second exhaust gas treatment tank 3 and the third exhaust gas treatment tank 4 are fully contacted with exhaust gas, and thus the working efficiency and the liquid utilization rate during exhaust gas filtration can be effectively improved; the top of the third waste gas treatment tank 4 is provided with an exhaust main pipe 506, the top of the second waste gas treatment tank 3 is provided with a branch pipe 505 connected with the exhaust main pipe 506, the third waste gas treatment tank 4 is provided with a second air inlet pipeline 507, the second air inlet pipeline 507 is used for leading in low-concentration waste gas, and the joint of the second air inlet pipeline 507 and the third waste gas treatment tank 4 is arranged between the second upper layer filtering device and the second lower layer filtering device.
As a preferable mode of this embodiment, two liquid level sensors 10 are vertically disposed in the first exhaust gas treatment tank 2, the second exhaust gas treatment tank 3, and the third exhaust gas treatment tank 4, one of the two liquid level sensors 10 is a low liquid level sensor, the other is a high liquid level sensor, and the height of the liquid level sensor 10 as the low liquid level sensor is smaller than the height of the liquid level sensor 10 as the high liquid level sensor. The provision of the liquid level sensor 10 not only enables the detection of the level of the liquid in the first exhaust gas treatment tank 2, the second exhaust gas treatment tank 3 and the third exhaust gas treatment tank 4, but also enables the assistance of the automated control of the respective control valves 9.
The flow process of the liquid in the exhaust gas filtering system according to this embodiment is as follows: when the waste water treatment tank is used for the first time, liquid for treating waste water enters through the main water inlet pipe 701, then enters the first water outlet pipe 703 and the second water outlet pipe 705 through the water diversion pipe under the action of the water suction pump 702, finally is sprayed out through the spray header 704, then falls into the second waste gas treatment tank 3 and the third waste gas treatment tank 4, when the liquid in the second waste gas treatment tank 3 and the third waste gas treatment tank 4 reaches the height of the low liquid level sensing device, the control valve 9 on the first auxiliary branch pipe 801, the second auxiliary branch pipe 802 and the inlet pipe 805 is opened, the liquid in the second waste gas treatment tank 3 and the third waste gas treatment tank 4 is led into the first waste gas treatment tank 2, when the liquid level of the liquid in the first waste gas treatment tank 2 reaches the height of the low liquid level sensing device, waste gas is led into the first waste gas treatment tank 2 and the third waste gas treatment tank 4 through the first air inlet pipe 501 and the second air inlet pipe 507, the control valve 9 on the first circulation pipe 601 and the second circulation pipe 602 is opened, then the air pump 504 is opened to guide the waste gas treated by the first waste gas treatment tank 2 into the second waste gas treatment tank 3, the waste gas treated and filtered by the second waste gas treatment tank 3 and the third waste gas treatment tank is discharged through the exhaust main pipe 506, when the liquid surface in the first waste gas treatment tank 2 reaches the height of the high liquid level sensing device, the liquid surface in the second waste gas treatment tank 3 does not reach the height of the high liquid level sensing device, the control valve on the third circulation pipe 803 is opened, the control valve 9 on the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 is closed, the water outlet at the bottom of the first waste gas treatment tank 2 is opened to discharge the waste liquid in the first waste gas treatment tank 2 after 3-5min of operation, when the liquid level of the waste liquid in the first waste gas treatment tank 2 is lower than the level of the low liquid level sensing device, the control valves 9 on the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 are opened, the control valve 9 on the third circulating pipe 803 is closed, the liquid in the second waste gas treatment tank 3 and the third waste gas treatment tank 4 is introduced into the first waste gas treatment tank 2, and the water outlet at the bottom of the first waste gas treatment tank 2 is closed at the same time when the control valves 9 on the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 are closed. When the liquid surface in the first exhaust gas treatment tank 2 does not reach the height of the high liquid level sensing device, and when the liquid surface in the second exhaust gas treatment tank 3 reaches the height of the high liquid level sensing device or the liquid surface in the third exhaust gas treatment tank 4 reaches the height of the high liquid level sensing device, the control valve 9 on the water conduit corresponding to the exhaust gas treatment tank reaching the height of the high liquid level sensing device is closed, and then the control valve 9 is opened again when the liquid surface in the exhaust gas treatment tank falls back between the two liquid level sensors 10 in the exhaust gas treatment tank. When the liquid surface in the first exhaust gas treatment tank 2 reaches the height of the high liquid level sensing device, the liquid surface in the second exhaust gas treatment tank 3 reaches the height of the high liquid level sensing device, the control valves on the water conduits corresponding to the second exhaust gas treatment tank 3 and the fourth exhaust gas treatment tank 4 are closed, the control valves 9 on the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 are closed, the control valve on the third circulating pipe 803 is opened, the water outlet at the bottom of the first exhaust gas treatment tank 2 is opened after 2-4min to discharge the waste liquid in the first exhaust gas treatment tank 2, when the liquid level of the waste liquid in the first waste gas treatment tank 2 is lower than the liquid level of the low liquid level sensing device, the control valves 9 on the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 are opened, the control valves 9 on the third circulating pipe 803 are closed, the liquid in the second waste gas treatment tank 3 and the third waste gas treatment tank 4 is led into the first waste gas treatment tank 2, the water outlet at the bottom of the first waste gas treatment tank 2 is closed when the control valves 9 on the first auxiliary branch pipe 801 and the second auxiliary branch pipe 802 are closed, and when the liquid surfaces in the second waste gas treatment tank 3 and the third waste gas treatment tank 4 fall back between the two liquid level sensors 10 in the waste gas treatment tank, the control valves 9 are opened again.
The exhaust gas in the first exhaust gas treatment tank 2 may now contact with the liquid for treating exhaust gas under the first filter plate 901, and large impurities may remain under the first filter plate 901 after the treatment of the first filter plate 901, so that the liquid for circulation extracted through the third circulation pipe 803 may be more clean; the impurity in the filtered waste gas in the second waste gas treatment tank 3 is reduced and becomes smaller because the waste gas in the waste gas is filtered by the first waste gas treatment tank 2, so that a device for filtering is not arranged above the joint of the auxiliary exhaust pipe 503 and the second waste gas treatment tank 3, and the liquid in the second waste gas treatment tank 3 for treating the waste gas is filtered by the first lower filtering device and then is output by the second circulating pipe 602 and the second auxiliary branch pipe 802, thereby ensuring the cleanliness of the liquid for treating the waste gas for circulation; and after the gas in the third waste gas treatment tank 4 can be introduced through the second air inlet pipeline 507, the waste gas rises upwards, a part of impurities in the waste gas can be attached to the second upper layer filtering device, then the waste gas is upwards conveyed to spray and filter the liquid sprayed by the spray header 704, then the waste gas is discharged through the exhaust main pipe 506, then the waste gas is upwards conveyed to spray and filter the liquid sprayed by the spray header 704, then the waste gas is discharged through the air outlet pipeline 2, the sprayed liquid can be collected and dropped on the second upper layer filtering device, and then the waste gas is filtered by the second lower layer filtering device and the third filtering plate 904 and flows to the lower side of the filtering plate to be discharged through the first circulating pipe 601 and the first auxiliary branch pipe 801 for recycling, so that the cleanliness of the recycled liquid is further improved, and the filtering effect of the waste gas is further ensured. Through the setting of second upper filter equipment can make the waste gas more abundant with the liquid contact of handling waste gas, effectual reinforcing waste gas's filter effect.
This exhaust gas filtration system's is rational in infrastructure, and the function is practical, work efficiency when can effectually improving filtration treatment for waste gas and liquid fully contact, guaranteed the filtration treatment effect of the quilt utilization ratio of liquid and waste gas, avoided the waste of liquid, improved the utilization ratio of resource.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as being within the scope of the present invention.
Claims (7)
1. An exhaust gas filtering system is characterized by comprising a base (1), three exhaust gas treatment tanks are arranged on the base (1), the three exhaust gas treatment tanks are sequentially provided with a first exhaust gas treatment tank (2), a second exhaust gas treatment tank (3) and a third exhaust gas treatment tank (4) from left to right, a first filtering plate (901) is arranged in the first exhaust gas treatment tank (2), a first support is arranged in the second exhaust gas treatment tank (3), a first lower layer filtering device and a second filtering plate arranged below the first lower layer filtering device are arranged on the first support, an exhaust gas filtering device is arranged in the third exhaust gas treatment tank (4), the exhaust gas filtering device comprises a second support (905), a second upper layer filtering device, a second lower layer filtering device and a third filtering plate (904) arranged below the second lower layer filtering device, the second upper layer filtering device, the second lower layer filtering device and the third filtering plate (904) are sequentially arranged on the second support (905), a first air inlet pipeline (501) is arranged on the first exhaust gas treatment tank (2), the first air inlet pipeline (501) is arranged between the first exhaust gas treatment tank (3) and a water outlet (3) of the second exhaust gas treatment tank arranged below the second lower layer filtering device, and the third filtering plate (3) is arranged between the first exhaust gas treatment tank and the first exhaust gas treatment tank (3 and the third filtering plate (3) is arranged below the first exhaust gas treatment tank The device comprises a third waste gas treatment tank (4) and a main water inlet pipe (701), wherein a spraying device is arranged between the third waste gas treatment tank (4) and the main water inlet pipe (701), an exhaust main pipe (506) is arranged at the top of the third waste gas treatment tank (4), a branch pipe (505) connected with the exhaust main pipe (506) is arranged at the top of the second waste gas treatment tank (3), a second air inlet pipeline (507) is arranged on the third waste gas treatment tank (4), the second air inlet pipeline (507) is used for introducing low-concentration waste gas, and the joint of the second air inlet pipeline (507) and the third waste gas treatment tank (4) is arranged between a second upper layer filtering device and a second lower layer filtering device;
two liquid level sensors (10) are vertically arranged in the first waste gas treatment tank (2), the second waste gas treatment tank (3) and the third waste gas treatment tank (4), one of the two liquid level sensors (10) is used as a low liquid level sensing device, the other liquid level sensor is used as a high liquid level sensing device, and the height of the liquid level sensor (10) serving as the low liquid level sensing device is smaller than that of the liquid level sensor (10) serving as the high liquid level sensing device;
The utility model provides a waste gas treatment tank, be equipped with the compensation arrangement who is connected with the delivery port of second waste gas treatment tank (3), the delivery port of third waste gas treatment tank (4) on first waste gas treatment tank (2), compensation arrangement includes suction pump (702), trunk line (804), first auxiliary branch pipe (801), second auxiliary branch pipe (802) and ingress pipe (805), first auxiliary branch pipe (801) and second auxiliary branch pipe (802) all are connected with trunk line (804), trunk line (804) are connected with the water inlet of suction pump (702), the delivery port of suction pump (702) is connected with the one end of ingress pipe (805), the other end and the first waste gas treatment tank (2) of ingress pipe (805) are connected, be equipped with third circulating pipe (803) on first waste gas treatment tank (2) of ingress pipe (805) below, third circulating pipe (803) are connected with trunk line (804), junction setting up in the top of first filter (901) ingress pipe (805), first auxiliary branch pipe (801), second auxiliary branch pipe (802) and third are equipped with one and all control valve (803) on the third circulating pipe (803).
2. An exhaust gas filtering system according to claim 1, wherein the second lower layer filtering device has the same structure as the first lower layer filtering device, the second lower layer exhaust gas filtering device has different sizes from the first lower layer filtering device, a plurality of filtering holes are formed in the first filtering plate (901), the second filtering plate and the third filtering plate (904), the first lower layer filtering device, the second upper layer filtering device and the second lower layer filtering device each comprise a first filtering screen (902), a second filtering screen (903) and an auxiliary filtering plate (906) obliquely arranged between the first filtering screen (902) and the second filtering screen (903), at least four auxiliary filtering plates (906) are arranged between the first filtering screen (902) and the second filtering screen (903), each auxiliary filtering plate (906) is provided with an auxiliary filtering hole (907), and an auxiliary sheet (908) is arranged on the lower surface of the auxiliary filtering plate (906) in the second upper layer filtering device, the first lower layer filtering device and the auxiliary filtering plate (906) in the second lower layer filtering device.
3. An exhaust gas filtering system according to claim 1, characterized in that the bottom of the first exhaust gas treatment tank (2) is provided with a water outlet, the water outlet on the first exhaust gas treatment tank (2) is arranged below the first filter plate (901), the water outlet is provided with a hole plug or a control valve, and the water outlet of the water outlet is controlled by the hole plug or the control valve.
4. An exhaust gas filtering system according to claim 1, characterized in that the spraying device comprises a water pump (702), water pipes, a first water outlet pipe (703), a second water outlet pipe (705) and a spray header (704), wherein two water pipes are arranged on the main water inlet pipe (701), one water pump (702) is respectively connected to the two water pipes, the water pipes are connected with the water inlet of the water pump (702), the water outlet of one water pump (702) is connected with the first water outlet pipe (703) inserted into the third exhaust gas treatment tank (4), the top of the first water outlet pipe (703) is provided with a spray header (704), the water outlet of the other water pump (702) is connected with the second water outlet pipe (705) inserted into the second exhaust gas treatment tank (3), and the top of the second water outlet pipe (705) is provided with a spray header (704).
5. The exhaust gas filtering system according to claim 4, wherein the gas transmission device comprises an auxiliary exhaust pipe (503) and a gas pump (504), the gas pump (504) is arranged on the auxiliary exhaust pipe (503), one end of the auxiliary exhaust pipe (503) is connected with the top of the first exhaust gas treatment tank (2), the other end of the auxiliary exhaust pipe (503) is connected with the second exhaust gas treatment tank (3), the connection part of the auxiliary exhaust pipe (503) and the second exhaust gas treatment tank (3) is arranged above the first lower layer filtering device, and the connection part of the auxiliary exhaust pipe (503) and the second exhaust gas treatment tank (3) is smaller than the height of the spray header (704).
6. The exhaust gas filtering system according to claim 5, wherein the first air intake pipe (501) is provided with an auxiliary air intake pipe (502), the auxiliary air intake pipe (502) is disposed in the first exhaust gas treatment tank (2), one end of the auxiliary air intake pipe (502) is connected with the first air intake pipe (501), the other end of the auxiliary air intake pipe (502) penetrates through the first filter plate (901) to be inserted into the bottom of the first exhaust gas treatment tank (2), and gas discharged into the first air intake pipe (501) enters the first exhaust gas treatment tank (2) through a gap between the bottom of the auxiliary air intake pipe (502) and the bottom of the first exhaust gas treatment tank (2).
7. The exhaust gas filtering system according to claim 6, wherein the water conduit connected to the water pump (702) connected to the first water outlet pipe (703) is a first water conduit, the water conduit connected to the water pump (702) connected to the second water outlet pipe (705) is a second water conduit, the third waste gas treatment tank (4) is provided with a first circulation pipe (601), one end of the first circulation pipe (601) is connected to the third waste gas treatment tank (4), a connection part of the third waste gas treatment tank (4) of the first circulation pipe (601) is arranged below the third filter plate (904), the other end of the first circulation pipe (601) is connected to the first water conduit, and control valves (9) are arranged on the first water conduit and on the first circulation pipe (601) between the first circulation pipe (601) and the main water inlet pipe (701); the second waste gas treatment tank (3) is provided with a second circulating pipe (602), one end of the second circulating pipe (602) is connected with the second waste gas treatment tank (3), the connection part of the second circulating pipe (602) and the second waste gas treatment tank (3) is arranged below the second filter plate, the other end of the second circulating pipe (602) is connected with a second water diversion pipe, and control valves (9) are arranged on the second water diversion pipe between the second circulating pipe (602) and the main water inlet pipe (701) and on the second circulating pipe (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325464.4A CN109224725B (en) | 2018-11-08 | 2018-11-08 | Waste gas filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811325464.4A CN109224725B (en) | 2018-11-08 | 2018-11-08 | Waste gas filtering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109224725A CN109224725A (en) | 2019-01-18 |
| CN109224725B true CN109224725B (en) | 2024-05-03 |
Family
ID=65077307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811325464.4A Active CN109224725B (en) | 2018-11-08 | 2018-11-08 | Waste gas filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109224725B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070587A (en) * | 1992-05-19 | 1993-04-07 | 麦松泉 | Filtering system for muddy gas |
| KR100975099B1 (en) * | 2009-06-10 | 2010-08-11 | 주식회사 코레코 | Multi scrubber |
| CN105435590A (en) * | 2015-11-23 | 2016-03-30 | 江苏明轩环保科技有限公司 | Purification system of waste gas purification tower |
| CN206444371U (en) * | 2016-12-20 | 2017-08-29 | 上海烟草集团有限责任公司 | Two sections of three-level exhaust treating purifiers |
| CN207520793U (en) * | 2017-05-11 | 2018-06-22 | 苏州宝士杰塑料科技有限公司 | A kind of exhaust gas purification and treatment device |
| CN207755921U (en) * | 2017-11-10 | 2018-08-24 | 温州市骐邦环保科技有限公司 | A kind of infant industry exhaust-gas treatment tank |
| CN108543366A (en) * | 2018-04-27 | 2018-09-18 | 德阳凯达门业有限公司 | The environmental protection equipment of paint spray booth exhaust-gas treatment |
| CN209405933U (en) * | 2018-11-08 | 2019-09-20 | 江苏恒辉安防股份有限公司 | A kind of new waste gas filtration system |
-
2018
- 2018-11-08 CN CN201811325464.4A patent/CN109224725B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070587A (en) * | 1992-05-19 | 1993-04-07 | 麦松泉 | Filtering system for muddy gas |
| KR100975099B1 (en) * | 2009-06-10 | 2010-08-11 | 주식회사 코레코 | Multi scrubber |
| CN105435590A (en) * | 2015-11-23 | 2016-03-30 | 江苏明轩环保科技有限公司 | Purification system of waste gas purification tower |
| CN206444371U (en) * | 2016-12-20 | 2017-08-29 | 上海烟草集团有限责任公司 | Two sections of three-level exhaust treating purifiers |
| CN207520793U (en) * | 2017-05-11 | 2018-06-22 | 苏州宝士杰塑料科技有限公司 | A kind of exhaust gas purification and treatment device |
| CN207755921U (en) * | 2017-11-10 | 2018-08-24 | 温州市骐邦环保科技有限公司 | A kind of infant industry exhaust-gas treatment tank |
| CN108543366A (en) * | 2018-04-27 | 2018-09-18 | 德阳凯达门业有限公司 | The environmental protection equipment of paint spray booth exhaust-gas treatment |
| CN209405933U (en) * | 2018-11-08 | 2019-09-20 | 江苏恒辉安防股份有限公司 | A kind of new waste gas filtration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109224725A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207159250U (en) | Filter blast furnace grain slag processing system in a kind of hydrocone type bottom | |
| CN109224725B (en) | Waste gas filtering system | |
| CN202478711U (en) | Cooling water tank for cable tinning machine | |
| CN211246072U (en) | Acid-base tail gas treatment spraying device | |
| CN209405933U (en) | A kind of new waste gas filtration system | |
| CN106746388A (en) | A kind of sewage treatment unit | |
| CN207494166U (en) | Engineering machinery oil tank cleaning system | |
| CN207056050U (en) | A kind of sludge plate compression equipment | |
| CN206350941U (en) | A kind of air water reverse flushing device for filter tank | |
| CN205933505U (en) | Industrial sewage purification device | |
| CN209969159U (en) | Fume chamber is with gas collection mechanism of area function of spraying | |
| CN210445606U (en) | A circulation cleaning system for processing of vegetable class agricultural product | |
| CN107736432A (en) | A kind of shellfish automatic cleaning equipment | |
| CN209243859U (en) | A kind of sewage collection equipment | |
| CN108863010B (en) | Sewage and sludge treatment system and method | |
| CN206955819U (en) | A kind of water treatment facilities with circulating filtration function | |
| CN103657225A (en) | Cooling water tank for cable tinning machine | |
| CN212731542U (en) | Traditional chinese medicine processing tail gas treatment water film dust collecting equipment | |
| CN107537220A (en) | A kind of grille well | |
| CN209438265U (en) | A kind of gas filtration system | |
| CN206544924U (en) | A kind of anti-clogging oily-water seperating equipment | |
| CN206793302U (en) | A kind of emission-control equipment of steel mill | |
| CN207002865U (en) | A kind of body of a motor car spray system | |
| CN211987918U (en) | High-efficient desulfurization tower tray flue gas processing apparatus | |
| CN205759943U (en) | A kind of novel active sand filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |