CN210332216U - Differential contact countercurrent acid mist spray absorption tower - Google Patents
Differential contact countercurrent acid mist spray absorption tower Download PDFInfo
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- CN210332216U CN210332216U CN201921098684.8U CN201921098684U CN210332216U CN 210332216 U CN210332216 U CN 210332216U CN 201921098684 U CN201921098684 U CN 201921098684U CN 210332216 U CN210332216 U CN 210332216U
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Abstract
The utility model relates to a spray tower, in particular to an absorption tower adopting differential contact countercurrent acid mist spray, which comprises a tower body, wherein a defogging layer is arranged inside the tower body, a spray system is arranged at the lower part of the defogging layer and is communicated with a first-stage water tank through a liquid conveying pipeline, a circulating water pump is arranged on the liquid conveying pipeline between the spray system and the first-stage water tank, one end of the first-stage water tank is communicated with a wastewater recovery tank through a water pipe, the other end of the first-stage water tank is communicated with a second-stage water tank through a water pipe, a water pump is arranged on the water pipe between the first-stage water tank and the second-stage water tank, a wastewater treatment device is arranged at the bottom of the tower body, a waste gas inlet is arranged on the; the utility model discloses a harmful substance in the waste gas can fully be got rid of to the spray column, reduces harmful gas's emission, reduces the atmosphere pollution, reduces a large amount of human labor, reduces resource consumption, reduction in production cost.
Description
Technical Field
The utility model relates to a spray column, specific adopt differential contact counterflow acid mist to spray absorption tower that says so.
Background
The spray purifying tower is a dust remover for making dust-contained gas and water implement full bathing action, mainly is formed from main body, air-intake pipe, exhaust pipe, spray head, water source (water pool) and water bath circulating system. It is a dust-removing equipment which can increase the water content in a specific container, change the direction of air flow and reduce the speed of air flow, and can make it fully mix with dust-containing gas, and can make the specific gravity of dust particles increase and adhere to the dust particles so as to separate them from the dust-containing gas. The working principle is as follows: after the dust-containing gas enters the spray tower through the gas inlet pipe at a certain speed, the water layer is impacted to change the moving direction of the gas, dust particles continue to move according to the original direction due to inertia, most dust particles are adhered to water and then stay in the water, a small part of dust particles move along with the gas, the water mist is continuously impacted and further and fully mixed with the circulating spray water, residual dust particles in the dust-containing gas are collected by the water and separated from the water by centrifugation or filtration, and the dust particles flow into the circulating pool along the tower wall due to gravity, so that purified gas is discharged outside.
Traditional spray column has certain liquid and solid adhesion on spray column's inner wall in the use, lead to spray column inside to be difficult to wash, the precipitate in the spray column also is difficult to clear up, also not filter the absorption to gas, lead to containing toxic gas in the gas, influence sanitation, simultaneously because the spray column is along with the increase of absorptive waste gas volume when tending towards saturation gradually, the absorption efficiency of spray column also can descend gradually, in order to make spray column maintain better treatment effect, need regularly change spray column, the sediment is regularly cleared for a long time to drag for, outward transport, not only consume a large amount of manpowers, material resources, manufacturing cost has still been increased, the circulation spray column is difficult to handle simultaneously, easily cause secondary pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the spray column wastes material difficult processing, waste gas contains harmful substance, needs a large amount of manpowers, material resources when spraying liquid and changing, consumes a large amount of manpowers, material resources, and the circulation sprays liquid difficult processing, easily causes secondary pollution, increases manufacturing cost scheduling problem.
In order to realize the above-mentioned purpose, the utility model provides an adopt differential contact counterflow acid mist to spray absorption tower, which comprises a tower body, be equipped with the defogging layer inside the tower body, lower part at the defogging layer is equipped with spraying system, spraying system passes through infusion pipeline and one-level water tank intercommunication, be located and be equipped with circulating water pump on the infusion pipeline between spraying system and the one-level water tank, the one end of one-level water tank leads to pipe and waste water recovery pond intercommunication, the other end of one-level water tank leads to pipe and two-stage water tank intercommunication, be located the one-level water tank, be equipped with the water pump on the water pipe between the two-stage water tank, bottom at the tower body is equipped with waste water treatment device, be equipped with the waste gas import on the tower body shell on waste water treatment device.
Further, the spraying system is first shower, first packing layer, second shower, second packing layer from top to bottom in proper order, is equipped with 2 shower nozzles I at least at the lower tip of first shower, is equipped with 2 shower nozzles II at the lower tip of second shower at least, sets up double-deck shower and packing layer and can effectually reduce harmful substance in the gas, makes harmful substance in the gas enter into in the spray.
Further, effluent treatment plant is by the adsorbed layer, the wastewater disposal basin is constituteed, upper end at the wastewater disposal basin is equipped with the filter screen, the bottom of wastewater disposal basin is equipped with the adsorbed layer, the wastewater disposal basin shines I and waste water recovery pond intercommunication through the adsorption filter screen that sets up on one end lateral wall of wastewater disposal basin, be equipped with drain I on the other end bottom lateral wall of wastewater disposal basin, when spraying the first filtration that the liquid passes through the filter screen and enters into the wastewater disposal basin, can reduce the impurity in the liquid that sprays, then spray the adsorption of liquid through the adsorbed layer, make the impurity in the liquid that sprays through preliminary purification deposit, and the liquid that sprays after purifying shines the filtration of I through the adsorption filter screen once more and enters into the waste water recovery pond.
Further, drain I is circular, and the diameter height of drain I is greater than the height of adsorbed layer, is convenient for clear up the harmful precipitate on the adsorbed layer.
Furthermore, a control ball valve is arranged on a liquid conveying pipeline communicated with the primary water tank of the spraying system, and spraying liquid can enter the spraying system by opening the control ball valve, so that waste gas is sprayed.
Furthermore, a metering device is arranged on the infusion pipeline communicated with the control ball valve and the primary water tank, the flow of the spraying liquid can be controlled through the metering device, and waste is reduced.
Furthermore, a maintenance door is arranged on the shell of the tower body, the maintenance door can be used for maintaining the tower body, meanwhile, harmful substances on the wall of the tower body can be cleaned regularly, and the service life of the tower body is prolonged.
Further, at the one-level water tank, be equipped with the acidimeter on the water pipe between waste water recovery pond intercommunication in proper order, sewage discharge port, when the liquid that sprays in the waste water recovery pond gets into the one-level water tank through the acidimeter in, it is too high to show the concentration that sprays the liquid on the acidimeter, when the impurity that sprays the liquid is in the saturation promptly, open sewage discharge port and discharge partly spray liquid, reduce the liquid that sprays that flows into the one-level water tank, thereby reduce the concentration that sprays the liquid in the one-level water tank, open the water pump simultaneously and put into the one-level water tank with pure spray liquid in the second grade water tank in, thereby the concentration that sprays the liquid in.
Furthermore, the upper end on defogging layer is equipped with the waste gas adsorbed layer, further purifies the harmful substance in the waste gas, reduces the atmospheric pollution.
Further, the waste water recovery pond shines II and one-level water tank intercommunication through setting up the adsorption filter screen that states on waste water recovery pond one end lateral wall, and the liquid that sprays in getting into the waste water recovery pond shines the adsorption of II through the adsorption filter screen, can reduce the intervention of impurity, reduces in the harmful substance flows back to the one-level water tank.
Further, the top in waste water recovery pond is equipped with the maintenance mouth, and the bottom in waste water recovery pond is equipped with the adsorbed layer, is equipped with drain II on the bottom lateral wall in waste water recovery pond, drain II is circular, and the diameter of drain II highly is greater than the height of adsorbed layer, and when the adsorption of the liquid process adsorbed layer that sprays that flows into waste water recovery pond, it gets back to the one-level water tank in to reduce the harmful substance flow, and the drain II that sets up simultaneously can just excrete the harmful impurity on the adsorbed layer, can maintain and change the adsorbed layer through the maintenance mouth that sets up on waste water recovery pond top to waste water recovery pond simultaneously.
The utility model has the advantages that:
the utility model provides an adopt differential contact counterflow acid mist to spray absorption tower, its reasonable in design, the design is novel.
The utility model discloses spray column's advantage lies in:
1. the utility model is provided with a demisting layer and a waste gas adsorption layer, which can fully remove harmful substances in the waste gas, reduce the discharge of harmful gas and reduce the air pollution;
2. the utility model provides a waste water treatment device among them of spray tower is equipped with filter screen, adsorbed layer, adsorbs the filter screen and shines I and can reduce the intervention of harmful impurity in the circulation spray liquid, and the circulation spray liquid is handled easily, is difficult for secondary pollution, improves purification efficiency, increases work efficiency, reduction in production cost;
3. the spray tower in the utility model is an automatic circulating device, which reduces a large amount of manpower and resource consumption;
4. the utility model discloses in be equipped with the maintenance door and not only can maintain the tower body, can also regularly clear up the harmful substance on the tower body wall simultaneously, increase the life of tower body, reduction in production cost.
5. The utility model provides a spray column when acid waste gas enters into the tower body through the waste gas import, can be full of gas into a tower body gas section space rapidly under the effect of ventilation blower, makes gaseous even ascending flow to it is more thorough to make the purification, improves work efficiency.
6. The spray nozzles of the spray nozzle I and the spray nozzle II have different densities, different spray liquid pressures and different concentration ranges of absorbed acid gases.
7. The spraying reaction process and the filler reaction process in the spraying system are heat transfer and mass transfer processes, and the sufficient reaction of the acidic waste gas and the alkaline spraying liquid is ensured by controlling the flow rate and the residence time of the empty tower.
8. The new equipment adopts a differential contact countercurrent and chemical reaction mode to purify waste gas, the purification efficiency is high, and the circulating water cannot cause secondary pollution.
Therefore, compared with the prior art, the utility model has the substantive characteristics and the progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a cross-sectional view of the spray tower of the present invention;
FIG. 2 is a sectional top view of the wastewater recovery tank of the present invention;
in the figure, 1, a waste gas outlet, 2, a demisting layer, 3, a first spray pipe, 4, a spray head I, 5, a first packing layer, 6, a second spray pipe, 7, an adsorption layer, 8, a second packing layer, 9, a waste gas inlet, 10, a filter screen, 11, a drain outlet I, 12, a maintenance door, 13, a circulating water pump, 14, a transfusion pipeline, 15, a control ball valve, 16, a wastewater disposal basin, 17, a wastewater recovery pond, 18, a first-level water tank, 19, a two-level water tank, 20, a water pump, 21, a waste gas adsorption layer, 22, an adsorption filter screen drying I, 23, a meter, 24, an adsorption filter screen drying II, 25, a drain outlet II, 26, a ventilator, 27 and a spray head II.
Detailed Description
As shown in the figure, an absorption tower adopting differential contact countercurrent acid mist spraying comprises a tower body, a demisting layer 2 is arranged inside the tower body, a spraying system is arranged at the lower part of the demisting layer 2, the spraying system is communicated with a first-stage water tank 18 through a liquid conveying pipeline 14, a circulating water pump 13 is arranged on the liquid conveying pipeline 14 between the spraying system and the first-stage water tank 18, one end of the first-stage water tank 18 is communicated with a wastewater recovery tank 17 through a water pipe, the other end of the first-stage water tank 18 is communicated with a second-stage water tank 19 through a water pipe, a water pump 20 is arranged on the water pipe between the first-stage water tank 18 and the second-stage water tank 19, a wastewater treatment device is arranged at the bottom of the tower body, a waste gas inlet 9 and a ventilator 26 are arranged on a tower body shell on the.
Further, the spraying system is first shower 3, first packing layer 5, second shower 6, second packing layer 8 from top to bottom in proper order, is equipped with 2 shower nozzles I4 at least at the lower tip of first shower 3, is equipped with 2 shower nozzles II 27 at the lower tip of second shower 6 at least, sets up double-deck shower and packing layer and can effectually reduce harmful substance in the gas, makes harmful substance in the gas enter into in the liquid that sprays.
Further, the wastewater treatment device consists of an adsorption layer 7 and a wastewater pool 16, wherein a filter screen 10 is arranged at the upper end of the wastewater pool 16, the adsorption layer 7 is arranged at the bottom of the wastewater pool 16, the wastewater pool 16 is communicated with a wastewater recovery pool 17 through an adsorption filter screen I22 arranged on the side wall of one end of the wastewater pool 16, a sewage discharge outlet I11 is arranged on the side wall of the other end of the wastewater pool 16, when the spray liquid enters the wastewater pool 16 through the first filtration of the filter screen 10, impurities in the spray liquid can be reduced, then the spray liquid passes through the adsorption effect of the adsorption layer 7, so that the impurities in the spray liquid are primarily purified and precipitated, and the purified spray liquid enters the wastewater recovery pool 17 through the filtration effect of the adsorption filter screen I22;
further, drain I11 is circular, and the diameter height of drain I11 is greater than the height of adsorbed layer 7, is convenient for clear up the precipitate on the adsorbed layer 7.
Furthermore, a control ball valve 15 is arranged on a liquid conveying pipeline 14 of the spraying system, which is communicated with the primary water tank 18, and the spraying liquid can enter the spraying system by opening the control ball valve 15, so that the waste gas is sprayed.
Furthermore, a metering device 23 is arranged on the infusion pipeline 14 which is communicated with the control ball valve 15 and the primary water tank 18, the flow rate of the spraying liquid can be controlled through the metering device 23, and waste is reduced.
Furthermore, still be equipped with maintenance door 12 on the shell of tower body, be equipped with maintenance door 12 on the tower body and not only can maintain the tower body, can also regularly clear up the harmful substance on the tower body wall simultaneously, increase the life of tower body.
Further, be equipped with the acidimeter in proper order on the water pipe of one-level water tank 18 and waste water recovery pond 17 intercommunication, sewage discharge port, spray liquid in the waste water recovery pond 17 when the acidimeter gets into one-level water tank 18 in, it is too high to show the concentration that sprays liquid on the acidimeter, when the impurity that sprays liquid is in the saturation promptly, open sewage discharge port and discharge partly and spray liquid, reduce the spray liquid that flows into one-level water tank 18, thereby reduce the concentration that sprays liquid in the one-level water tank 18, open water pump 20 simultaneously and put into one-level water tank 18 with pure spray liquid in the second grade water tank 19, thereby the concentration of spray liquid in the neutralization one-level water tank 18.
Furthermore, the upper end of the demisting layer 2 is provided with a waste gas adsorption layer 21, so that harmful substances in waste gas are further purified, and the atmospheric pollution is reduced.
Further, the wastewater recovery tank 17 is communicated with the primary water tank 18 through an adsorption filter screen II 24 arranged on the side wall of one end of the wastewater recovery tank 17, when the spray liquid entering the wastewater recovery tank 17 passes through the adsorption action of the adsorption filter screen II 24, the intervention of impurities can be reduced, the flow of harmful substances back to the primary water tank 18 is reduced,
further, the top of waste water reclamation pond 17 is equipped with the maintenance mouth, and the bottom of waste water reclamation pond 17 is equipped with adsorbed layer 7, is equipped with drain II 25 on the bottom lateral wall of waste water reclamation pond 17, drain II 25 is circular, and the diameter of drain II 25 highly is greater than the height of adsorbed layer 7, and the adsorption of liquid process adsorbed layer 7 that sprays when flowing into waste water reclamation pond 17 reduces in that harmful substance flows back to one-level water tank 18, and the drain II 25 that sets up simultaneously can just excrete the harmful impurity on adsorbed layer 7, can maintain waste water reclamation pond 17 and change adsorbed layer 7 through the maintenance mouth that sets up on waste water reclamation pond 17 top simultaneously.
Furthermore, the adsorption layer is an active carbon organic substance and can adsorb harmful substances.
The utility model discloses spray column theory of operation does: when the spray tower is used, acidic waste gas is sent into the spray tower through the waste gas inlet 9, the ventilator 26 is turned on, the acidic waste gas can rapidly fill the gas into a tower body gas section space under the action of the ventilator 26, when the acidic waste gas and alkaline substances on the surface of the second packing layer are subjected to chemical reaction, reaction products fall into the wastewater tank 16, the acidic gas which is not subjected to the chemical reaction continuously rises, the circulating water pump 13 and the control ball valve 15 are turned on at the moment, spray liquid in the primary water tank 18 enters the spray system, the spray liquid contains the alkaline substances and can neutralize the acidic waste gas, the spray liquid flows into the first spray pipe 3 and the second spray pipe 6 through the liquid conveying pipeline 14, then the spray liquid is sprayed out through the spray nozzle I3 to continuously perform a second chemical reaction on the waste gas, and the second chemical reactant and the spray liquid fall into the wastewater tank 16, the acidic waste gas continuously flows upwards to pass through the first packing layer 5 and the first spray pipe 3, the spray liquid is sprayed out through the spray head II 27 to carry out a third chemical reaction and a fourth chemical reaction on the waste gas, the third chemical reactant, the fourth chemical reactant and the spray liquid still fall into the waste water tank 16, the acidic waste gas continuously flows upwards to pass through the secondary purification treatment of the defogging layer 2 and the waste gas adsorption layer 21, water drops and fog drops mixed in the waste gas are removed in the defogging layer, and the discharged gas is purified to the maximum extent;
the spraying liquid falling into the waste water tank 16 is primarily filtered by the filter screen 10 to remove impurities, and then is secondarily adsorbed by the adsorption layer 7 to remove impurities, so that impurities of the spraying liquid in the waste water recovery tank 17 are reduced, and meanwhile, the spraying liquid in the waste water recovery tank 17 can be secondarily adsorbed and filtered by the adsorption layer 7 and the adsorption filter screen arranged in the waste water recovery tank 17 to be dried II 24, so that harmful substances of the spraying liquid in the primary water tank 18 are reduced, when the spraying liquid in the waste water recovery tank 17 enters the primary water tank 18 through the acidimeter, when the concentration of the spraying liquid is too high, namely the harmful impurities of the spraying liquid are saturated, the sewage discharge port is opened to discharge a part of the spraying liquid, the spraying liquid flowing into the primary water tank 18 is reduced, so that the concentration of the spraying liquid in the primary water tank 18 is reduced, and simultaneously the water pump 20 is opened to place the pure spraying liquid in the secondary water tank 19 into the primary water tank 18, thereby neutralizing the concentration of the spray liquid in the primary tank 18.
When the tower body breaks down, harmful substances on the wall of the tower body are more, and the adsorption layer in the wastewater disposal basin 16 is replaced, the maintenance door 12 arranged on the wall of the tower body is used for maintaining the tower body, cleaning the harmful substances on the wall of the tower body or replacing the adsorption layer in the wastewater disposal basin 16.
The nozzle density of the spray head I3 and the nozzle density of the spray head II 27 are different, the spray liquid pressure is different, and the concentration range of the absorbed acid gas is different.
The spraying reaction process and the filler reaction process in the spraying system are heat transfer and mass transfer processes, and the flow velocity and the residence time of tower waste gas are controlled by the wind speed of a ventilator to ensure the full reaction of the acidic waste gas and the alkaline spraying liquid.
The new equipment adopts a differential contact countercurrent and chemical reaction mode to purify waste gas, the purification efficiency is high, and the circulating water cannot cause secondary pollution.
The utility model discloses an its simple structure of spray column, the operation of being convenient for reduces a large amount of labours' use, saves the resource consumption, reduces the emission of waste water, waste gas, reduces environmental pollution.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an adopt differential contact counterflow acid mist to spray absorption tower, includes the tower body, its characterized in that: a demisting layer (2) is arranged in the tower body, a spraying system is arranged at the lower part of the demisting layer (2), the spraying system is communicated with a first-stage water tank (18) through a liquid conveying pipeline (14), a circulating water pump (13) is arranged on the liquid conveying pipeline (14) between the spraying system and the first-stage water tank (18), one end of the first-stage water tank (18) is communicated with a wastewater recovery tank (17) through a water pipe, the other end of the first-stage water tank (18) is communicated with a second-stage water tank (19) through a water pipe, a water pump (20) is arranged on the water pipe between the first-stage water tank (18) and, the waste water treatment device is arranged at the bottom of the tower body, a waste gas inlet (9) and a ventilator (26) are arranged on a tower body shell on the upper portion of the waste water treatment device, the ventilator (26) is located at the lower end of the waste gas inlet (9), and a waste gas outlet (1) is arranged at the top end of the tower body shell.
2. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: the spraying system comprises a first spraying pipe (3), a first packing layer (5), a second spraying pipe (6) and a second packing layer (8) from top to bottom in sequence, wherein at least 2 spray nozzles I (4) are arranged at the lower end part of the first spraying pipe (3), and at least 2 spray nozzles II (27) are arranged at the lower end part of the second spraying pipe (6).
3. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: the wastewater treatment device consists of an adsorption layer (7) and a wastewater pool (16), wherein a filter screen (10) is arranged at the upper end of the wastewater pool (16), the adsorption layer (7) is arranged at the bottom of the wastewater pool (16), the wastewater pool (16) is communicated with a wastewater recovery pool (17) through an adsorption filter screen I (22) arranged on the side wall of one end of the wastewater pool (16), and a sewage outlet I (11) is arranged on the side wall of the bottom of the other end of the wastewater pool (16);
the drain I (11) is circular, and the diameter height of the drain I (11) is larger than the height of the adsorption layer (7).
4. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: a control ball valve (15) is arranged on a liquid conveying pipeline (14) of the spraying system communicated with the primary water tank (18).
5. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1 or 4, wherein: a meter (23) is arranged on the infusion pipeline (14) which is communicated with the control ball valve (15) and the primary water tank (18).
6. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: and a maintenance door (12) is also arranged on the shell of the tower body.
7. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: an acidimeter and a sewage outlet are sequentially arranged on a water pipe between the first-stage water tank (18) and the waste water recovery tank (17).
8. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: the upper end of the demisting layer (2) is provided with a waste gas adsorption layer (21).
9. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: the wastewater recovery tank (17) is communicated with the primary water tank (18) through an adsorption filter screen II (24) arranged on the side wall of one end of the wastewater recovery tank (17).
10. The differential contact countercurrent acid mist spray absorption tower as claimed in claim 1, wherein: the top in waste water recovery pond (17) is equipped with the maintenance mouth, and the bottom in waste water recovery pond (17) is equipped with adsorbed layer (7), is equipped with drain II (25) on the bottom lateral wall in waste water recovery pond (17), drain II (25) are circular, and the diameter height of drain II (25) is greater than the height of adsorbed layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098684.8U CN210332216U (en) | 2019-07-12 | 2019-07-12 | Differential contact countercurrent acid mist spray absorption tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098684.8U CN210332216U (en) | 2019-07-12 | 2019-07-12 | Differential contact countercurrent acid mist spray absorption tower |
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| Publication Number | Publication Date |
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| CN210332216U true CN210332216U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921098684.8U Active CN210332216U (en) | 2019-07-12 | 2019-07-12 | Differential contact countercurrent acid mist spray absorption tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811657A (en) * | 2020-12-30 | 2021-05-18 | 江西楚杭环保科技有限公司 | Refuse penetrating fluid purifying device for refuse landfill |
| CN113101797A (en) * | 2021-04-25 | 2021-07-13 | 江苏龙净科杰环保技术有限公司 | Novel regeneration washs pond exhaust-gas treatment device |
-
2019
- 2019-07-12 CN CN201921098684.8U patent/CN210332216U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811657A (en) * | 2020-12-30 | 2021-05-18 | 江西楚杭环保科技有限公司 | Refuse penetrating fluid purifying device for refuse landfill |
| CN113101797A (en) * | 2021-04-25 | 2021-07-13 | 江苏龙净科杰环保技术有限公司 | Novel regeneration washs pond exhaust-gas treatment device |
| CN113101797B (en) * | 2021-04-25 | 2023-01-10 | 江苏龙净科杰环保技术有限公司 | Novel regeneration washs pond exhaust-gas treatment device |
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Effective date of registration: 20210924 Address after: 250000 Room 301, building 7, science and technology Jiayuan, No. 2-9, Qilihe Road, Licheng District, Jinan City, Shandong Province Patentee after: Shandong Andao Technology Co.,Ltd. Address before: Room 403, building 6, Keji Jiayuan, 2-9 Qilihe Road, Licheng District, Jinan City, Shandong Province, 250100 Patentee before: Shandong Andao Environmental Protection Technology Co.,Ltd. |
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Effective date of registration: 20230625 Address after: Room 1-03, Building 12, No. 2, North Section of Qilihe Road, Licheng District, Jinan City, Shandong Province, 250000 Patentee after: Shandong Benyuan Environmental Technology Co.,Ltd. Address before: 250000 Room 301, building 7, science and technology Jiayuan, No. 2-9, Qilihe Road, Licheng District, Jinan City, Shandong Province Patentee before: Shandong Andao Technology Co.,Ltd. |
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