CN216537768U - Wet deacidification system - Google Patents
Wet deacidification system Download PDFInfo
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- CN216537768U CN216537768U CN202122300663.3U CN202122300663U CN216537768U CN 216537768 U CN216537768 U CN 216537768U CN 202122300663 U CN202122300663 U CN 202122300663U CN 216537768 U CN216537768 U CN 216537768U
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Abstract
The utility model discloses a wet deacidification system, which comprises a wet washing tower, wherein the input end of the wet washing tower is connected with the outlet of an automatic dust remover; the device is characterized in that the output end of the wet washing tower is connected with the input end of the wet adsorption tower, and the output end of the wet adsorption tower is connected with the flue gas heater; a washing sieve plate is arranged at the upper end of the wet washing tower, a plurality of first alkali liquor spraying devices are vertically arranged below the washing sieve plate at intervals, and a washing water spraying device is arranged above the washing sieve plate; two first adsorption sieve plates are vertically arranged at the upper end of the wet adsorption tower at intervals, and adsorption water spraying devices are respectively arranged on two vertical outer sides of the two first adsorption sieve plates; two second adsorption sieve plates are vertically arranged at intervals at the lower end of the wet adsorption tower, and second alkali liquor spraying devices are respectively and correspondingly arranged above the second adsorption sieve plates; the deacidification device has the advantages of being more reasonable in layout, better and purposefully completing deacidification one by one, and better recycling alkali liquor to reduce cost.
Description
Technical Field
The utility model relates to the technical field of deacidification, in particular to a wet-process deacidification system.
Background
In industrial production, a large amount of flue gas is generated, and the flue gas is usually subjected to wet deacidification treatment before being discharged to the outside atmosphere so as to reduce the pollution of the flue gas to the environment.
In recent years, wet deacidification technology is increasingly applied to the aspect of flue gas harm removal, but the quality of deacidification and recovery treatment of alkali liquor are required to be improved in the initial application stage. Chinese patent (CN 210699574U) discloses a recycling system for alkali liquor in a wet acid removal tower. The structural layout design of the alkali liquor recovery part in the system is not reasonable enough, and the alkali liquor cannot be fully utilized, so that the resource waste is caused. Chinese patent (CN 211098293U) discloses a wet deacidification apparatus, wherein in the above system, two washing towers can not be well targeted to complete deacidification one by one to achieve higher deacidification quality, resulting in waste of alkali liquor, and the design is unreasonable.
Therefore, those skilled in the art are dedicated to develop a wet deacidification system which has a more reasonable layout, can complete deacidification in a better targeted manner one by one, and can recover alkali liquor better to reduce the cost.
SUMMERY OF THE UTILITY MODEL
In view of the above defects in the prior art, the technical problem to be solved by the present invention is how to provide a wet deacidification system which has a more reasonable layout, can perform deacidification better and pertinently and successively, and can recover alkali liquor better to reduce the cost.
In order to achieve the aim, the utility model provides a wet deacidification system, which comprises a wet washing tower, wherein the input end of the wet washing tower is connected with the outlet of an automatic dust remover; the device is characterized in that the output end of the wet washing tower is connected with the input end of the wet adsorption tower, and the output end of the wet adsorption tower is connected with the flue gas heater; a washing sieve plate is arranged at the upper end of the wet washing tower, a plurality of first alkali liquor spraying devices are vertically arranged below the washing sieve plate at intervals, and a washing water spraying device is arranged above the washing sieve plate; two first adsorption sieve plates are vertically arranged at the upper end of the wet adsorption tower at intervals, and adsorption water spraying devices are respectively arranged on two vertical outer sides of the two first adsorption sieve plates; two second adsorption sieve plates are vertically arranged at intervals at the lower end of the wet adsorption tower, and second alkali liquor spraying devices are respectively and correspondingly arranged above the second adsorption sieve plates; the first alkali liquor spraying device and the second alkali liquor spraying device are respectively connected with an alkali liquor circulating supply system, and the lower ends of the wet washing tower and the wet adsorption tower are respectively provided with an alkali liquor outlet and connected with the alkali liquor circulating supply system; the washing water spraying device and the adsorption water spraying device are respectively connected with the water supply part structure.
In this way, in the system device, the flue gas output from the outlet of the dust collector enters from the input end of the wet scrubbing tower, is output from the output end of the wet scrubbing tower and enters from the input end of the wet adsorption tower after primary treatment, and is output from the output end of the wet adsorption tower to the flue gas heater for heating treatment after secondary treatment by the wet adsorption tower. In above-mentioned processing procedure, the flue gas is when handling for the first time, and the flue gas flows from supreme down to form the convection current and handle through alkali lye with two first alkali lye spray set spun alkali lye separately, later the flue gas is continuing upwards and through the washing sieve, the washing sieve is the orifice plate structure usually and can make even upwards of flue gas and when making the water spray handle, can be better wash acid and alkaline material on taking away the flue gas with better. When the flue gas is handled for the second time, the flue gas gets into from wet process adsorption tower lower extreme to upward movement, the flue gas is respectively through two second adsorption sieve boards and by even dispersion come, make the second alkali lye spray set spun above the second adsorption sieve board alkali lye can be better cover the flue gas, and can react with remaining acidic material in the flue gas, more thorough deacidification. The flue gas continues upwards, and the second adsorption sieve plate can disperse the flue gas and carry acidic and alkaline substances away more thoroughly and pertinently through water spray treatment. And the alkali liquor discharge ports at the lower ends of the wet washing tower and the wet adsorption tower are connected with an alkali liquor circulating supply system, so that the circulating supply of alkali liquor can be realized.
Furthermore, the first alkali liquor spraying device, the second alkali liquor spraying device and the adsorption water spraying device are all provided with spraying nozzles on the spraying pipes. The structure is simpler.
As optimization, an input port is formed at the lower end of the wet scrubbing tower, an input pipe which is horizontally outward and the outer end of which is vertically bent and extended upwards is connected to the input port, and the upper end of the input pipe forms an output end of the wet scrubbing tower; a cooling spray gun is arranged inside the upper end of the input pipe; and the input end of the cooling spray gun is connected with the alkali liquor circulating supply system and the water supply part structure.
Like this, through setting up the input port at wet scrubbing tower lower extreme to connect the outside and vertical upwards buckling extension's of outer end input tube of level on the input port, set up the cooling spray gun again in the input tube, the input and the alkali lye circulation supply system of cooling spray gun and the partial structure of supplying water link to each other, make cooling spray gun spun liquid be the mixture that water and alkali lye constitute, can carry out preliminary processing and reach the effect of cooling to the flue gas. And the input pipe is arranged, so that the flue gas enters the input pipe at first, the temperature of the flue gas is very high, the flue gas is cooled firstly and then enters the wet scrubbing tower, and the flue gas is protected.
As optimizing, still include from the gas pitcher for the technology, be connected with the gas supply line from between the gas output end of gas pitcher for the technology and the gas input end of cooling spray gun, set gradually flange ball valve, relief pressure valve and flange ball valve on the gas supply line.
Like this for the gas input of cooling rifle with from technology gas tank link to each other and the air feed, more stable air feed that can be better and make cooling rifle spun liquid more disperse, better mix and handle with the flue gas, and still conveniently control the air feed.
As optimization, a local pressure gauge is also arranged on the gas supply pipeline; still include the bypass air supply line, the bypass air supply line both ends are connected two flange ball valve outsides on the air supply line respectively, are provided with the flange stop valve on the bypass air supply line.
Like this, can monitor the atmospheric pressure on the gas supply line through the manometer on the spot that sets up, adjust according to pressure, the bypass gas supply line plays reserve purpose.
As optimization, the water supply part structure comprises a self-synthesis water main pipe, the output end of the self-synthesis water main pipe is connected with a main water supply pipeline, a first branch water supply pipeline, a second branch water supply pipeline and a third branch water supply pipeline are connected to the main water supply pipeline, and the far ends of the first branch water supply pipeline, the second branch water supply pipeline and the third branch water supply pipeline are respectively connected with a cooling spray gun, a washing water spray device and an adsorption water spray device.
Therefore, the water supply part is simple in structural design and can supply water to the cooling spray gun, the washing water spray device and the adsorption water spray device more conveniently.
Further, a flange stop valve and an electromagnetic valve are arranged on the first branch water supply pipeline; a flange gate valve, an electromagnetic valve and a flange stop valve are arranged on the second branch water supply pipeline; the far end of the third branch water supply pipeline is connected with two branch pipelines which are respectively connected with two water adsorption spraying devices, and the two branch pipelines are respectively provided with an electromagnetic valve and a flange stop valve.
Like this, can control the break-make of first branch road water supply pipe, second branch road water supply pipe and third branch road water supply pipe respectively through the valve body that sets up separately, conveniently accomplish water supply separately more.
Preferably, the spraying ends of the two adsorption water spraying devices are respectively arranged facing the two vertical outer side surfaces of the two first adsorption sieve plates.
Therefore, the spraying ends of the two adsorption water spraying devices are respectively arranged facing two vertical outer side surfaces of the two first adsorption sieve plates, so that a relatively closed space is formed between the first adsorption sieve plates to better wash and adsorb the smoke.
As optimization, the alkali liquor circulating supply system comprises a washing circulating pool, an adsorption circulating pool and a wastewater pool; the washing circulation pool and the adsorption circulation pool are respectively connected with an alkali liquor discharge port of the wet washing tower and an alkali liquor discharge port of the wet adsorption tower; the output end of the PH meter conductivity meter buffer box is respectively communicated with the open ends of the washing circulation pool and the adsorption circulation pool; the output ends of the washing circulation tank and the adsorption circulation tank are respectively connected with a first liquid output structure and a second liquid output structure, the output end of the first liquid output structure is connected with the input ends of the sewage tank, the first alkali liquor spraying device and the PH meter conductivity meter buffer tank, and the output end of the second liquid output structure is connected with the input ends of the sewage tank, the second alkali liquor spraying device and the PH meter conductivity meter buffer tank; and the sewage tank is connected with the sewage discharge part structure and can discharge sewage to the outside of the boundary area.
In this way, in the above-mentioned lye circulating supply system, the lye used in the wet scrubber tower and the wet adsorber tower respectively flows into the scrubbing circulation tank and the adsorption circulation tank correspondingly for recovery processing. The output and the input of PH meter conductivity meter baffle-box set up with washing circulation pond and adsorption cycle pond intercommunication respectively for PH meter conductivity meter baffle-box can cushion the ratio to the liquid in washing circulation pond and the adsorption cycle pond, makes that the liquid in washing circulation pond and the adsorption cycle pond can be better by recycle. And the washing circulation tank and the adsorption circulation tank are also connected with the sewage tank, so that liquid after being used for many times can be discharged to the sewage tank, and the sewage is discharged to the outside of a boundary area after being treated by the sewage tank. The system can better recycle the used alkali liquor. But also can treat the sewage needing to be discharged so as to better discharge the sewage.
Preferably, the first liquid output structure comprises first alkali liquor output pipelines connected to the output end of the washing circulation tank in pairs, the far ends of the two first alkali liquor output pipelines in pairs are connected together in a gathering manner to form an output end, and a basket filter, a washing circulation pump, a flange check valve and an internal thread check valve are sequentially arranged on the two first alkali liquor output pipelines and along the flowing direction of the internal liquid.
Therefore, the first liquid output structure is more reasonable in design and layout, can better control the output of the alkali liquor, and is simple in structure and more reasonable in design; the two paths are respectively formed for standby, and the reliability can be improved.
Preferably, the second liquid output structure comprises second alkali liquor output pipelines connected to the output end of the adsorption circulation tank in pairs, the far ends of the two paired second alkali liquor output pipelines are connected together in a gathering manner to form the output end, and a basket filter, a washing circulation pump, a flange check valve and an internal thread check valve are sequentially arranged on the two second alkali liquor output pipelines and along the flowing direction of the internal liquid.
Therefore, the second liquid output structure is simpler, the output of the liquid in the adsorption circulation tank can be better controlled, and the layout is more reasonable; the two paths are respectively formed for standby, and the reliability can be improved.
And as optimization, the device also comprises self-alkali liquor delivery pumps which are respectively arranged corresponding to the washing circulating pool and the adsorption circulating pool, the output ends of the two self-alkali liquor delivery pumps are respectively connected with alkali liquor supply pipelines, and the two alkali liquor supply pipelines are respectively connected with the paired first alkali liquor output pipelines and the paired second alkali liquor output pipelines.
Therefore, the two self-alkali liquor delivery pumps can respectively supplement alkali liquor to the washing circulating pool and the adsorption circulating pool, so that the alkali liquor can be better circulated, and the quality of the alkali liquor is better.
As optimization, a flange stop valve, a pneumatic valve and a flange stop valve are respectively arranged on the alkali liquor supply pipeline.
Like this, through set up flange stop valve, pneumatic valve and flange stop valve on alkali lye supply pipeline, can make things convenient for the supply of control alkali lye more.
And as optimization, auxiliary pipelines are respectively arranged corresponding to the alkali liquor supply pipelines, two ends of each auxiliary pipeline are respectively connected to the outer side positions of the two paired flange stop valves on the alkali liquor supply pipelines, and the flange stop valves are arranged on the auxiliary pipelines.
Therefore, the auxiliary branch is formed on the alkali liquor supply pipeline, a second supply route can be formed, the design is more reasonable, and the control and the maintenance are more convenient.
The system further comprises an adsorption circulating water cooler, wherein the cooling water input end of the adsorption circulating water cooler is connected with the output end of the self-wet cooling water pump, and the cooling water output end of the adsorption circulating water cooler is connected with the cooling tower; the adsorption circulating water cooler is also provided with a water inlet and a circulating water outlet which are respectively connected with the output end of the water supply part structure and the second alkali liquor spraying device.
Like this, through setting up absorption circulating water cooler, can be better provide coolant, better improvement alkali lye circulation quality.
As optimization, a siphon barrel is arranged on one side of the sewage pool, the input end of the siphon barrel is communicated with the sewage pool, the output ends of the siphon barrel are connected with liquid discharge pipes in pairs, and the far ends of the two liquid discharge pipes in pairs are converged and connected together to form an output end and can discharge sewage to the outside of a boundary area; a flange stop valve, a basket filter, a wet wastewater sewage pump, a flange check valve and a flange stop valve are sequentially arranged on the liquid discharge pipe along the flowing direction of the liquid inside the liquid discharge pipe.
Like this, through setting up the siphon bucket, can be better get rid of the sewage of effluent water sump, more convenient control.
As optimization, the input end and the output end of the waste water sewage pump are respectively connected with a soft connecting pipe.
Like this, simple structure, and the setting of just easy to assemble more.
Furthermore, a conductivity detector is respectively arranged on the left box body and the right box body of the PH meter conductivity meter buffer box in pairs, and the signal output ends of the conductivity detectors are respectively connected with the electromagnetic valves on the system pipelines.
Like this, the pH value of the interior liquid of balanced washing circulation pond and absorption circulation pond that can be better, it is more reasonable to design for the better operation requirement that satisfies of alkali lye of both sides.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the structure of the wet scrubber in fig. 1.
Fig. 3 is a schematic diagram of the structure of the wet scrubber in fig. 1.
Fig. 4 is a partially enlarged schematic view of a position a in fig. 1.
Fig. 5 is a partially enlarged schematic view of a B position in fig. 1.
Fig. 6 is a partially enlarged schematic view of the position C in fig. 1.
Fig. 7 is a partially enlarged schematic view of a position D in fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 7, a wet deacidification system comprises a wet washing tower 1, wherein the input end of the wet washing tower is connected with the outlet of an automatic dust remover 2; the output end of the wet washing tower is connected with the input end of the wet adsorption tower 3, and the output end of the wet adsorption tower is connected with the flue gas heater 4; a washing sieve plate 5 is arranged at the upper end of the wet washing tower, a plurality of first alkali liquor spraying devices 6 are vertically arranged below the washing sieve plate at intervals, and a washing water spraying device 7 is arranged above the washing sieve plate; two first adsorption sieve plates 8 are vertically arranged at intervals at the upper end of the wet adsorption tower, and adsorption water spraying devices 9 are respectively arranged on two vertical outer sides of the two first adsorption sieve plates; two second adsorption sieve plates 10 are vertically arranged at intervals at the lower end of the wet adsorption tower, and second alkali liquor spraying devices 11 are respectively and correspondingly arranged above the second adsorption sieve plates; the first alkali liquor spraying device and the second alkali liquor spraying device are respectively connected with an alkali liquor circulating supply system, and the lower ends of the wet washing tower and the wet adsorption tower are respectively provided with an alkali liquor outlet and are connected with the alkali liquor circulating supply system; the washing water spraying device and the adsorption water spraying device are respectively connected with the water supply part structure.
In this way, in the system device, the flue gas output from the outlet of the dust collector enters from the input end of the wet scrubbing tower, is output from the output end of the wet scrubbing tower and enters from the input end of the wet adsorption tower after primary treatment, and is output from the output end of the wet adsorption tower to the flue gas heater for heating treatment after secondary treatment by the wet adsorption tower. In above-mentioned processing procedure, the flue gas is when handling for the first time, and the flue gas flows from supreme down to form the convection current and handle through alkali lye with two first alkali lye spray set spun alkali lye separately, later the flue gas is continuing upwards and through the washing sieve, the washing sieve is the orifice plate structure usually and can make even upwards of flue gas and when making the water spray handle, can be better wash acid and alkaline material on taking away the flue gas with better. When the flue gas is handled for the second time, the flue gas gets into from wet process adsorption tower lower extreme to upward movement, the flue gas is respectively through two second adsorption sieve boards and by even dispersion come, make the second alkali lye spray set spun above the second adsorption sieve board alkali lye can be better cover the flue gas, and can react with remaining acidic material in the flue gas, more thorough deacidification. The flue gas continues upwards, and the second adsorbs the sieve can disperse the flue gas and through the more thorough and pointed taking away of acid and alkaline material of water spray treatment. And the alkali liquor discharge ports at the lower ends of the wet washing tower and the wet adsorption tower are connected with an alkali liquor circulating supply system, so that the circulating supply of alkali liquor can be realized.
Furthermore, the first alkali liquor spraying device, the second alkali liquor spraying device and the adsorption water spraying device are all provided with spraying nozzles on the spraying pipes. The structure is simpler.
In the specific embodiment, an input port is formed at the lower end of the wet scrubbing tower, an input pipe 12 which is horizontally outward and the outer end of which is vertically bent and extended upwards is connected to the input port, and the upper end of the input pipe forms the output end of the wet scrubbing tower; a cooling spray gun 13 is arranged inside the upper end of the input pipe; and the input end of the cooling spray gun is connected with the alkali liquor circulating supply system and the water supply part structure.
Like this, through setting up the input port at wet scrubbing tower lower extreme to connect the outside and vertical upwards buckling extension's of outer end input tube of level on the input port, set up the cooling spray gun again in the input tube, the input and the alkali lye circulation supply system of cooling spray gun and the partial structure of supplying water link to each other, make cooling spray gun spun liquid be the mixture that water and alkali lye constitute, can carry out preliminary processing and reach the effect of cooling to the flue gas. And the input pipe is arranged, so that the flue gas enters the input pipe at first, the temperature of the flue gas is very high, the flue gas is cooled firstly and then enters the wet scrubbing tower, and the flue gas is protected.
In this specific embodiment, still include from the gas pitcher 14 for technology, be connected with gas supply line 15 from between the gas output of gas pitcher for technology and the gas input of cooling spray gun, set gradually flange ball valve, relief pressure valve and flange ball valve on gas supply line.
Like this for the gas input of cooling rifle with from technology gas tank link to each other and the air feed, more stable air feed that can be better and make cooling rifle spun liquid more disperse, better mix and handle with the flue gas, and still conveniently control the air feed.
In the present embodiment, an on-site pressure gauge 16 is further disposed on the gas supply pipeline; still include bypass air feed line 17, the two flange ball valve outsides of bypass air feed line both ends connection on air feed line respectively are provided with the flange stop valve on bypass air feed line.
Like this, can monitor the atmospheric pressure on the gas supply line through the manometer on the spot that sets up, adjust according to pressure, the bypass gas supply line plays reserve purpose.
In this embodiment, the water supply part structure includes from synthesizing the water and being responsible for 18, from synthesizing the water and being responsible for the output and connect trunk water supply pipe 19, be connected with first branch water supply pipe 20, second branch water supply pipe 21 and third branch water supply pipe 22 on the trunk water supply pipe, first branch water supply pipe, second branch water supply pipe and third branch water supply pipe distal end link to each other with cooling spray gun, washing water spray set and absorption water spray set respectively.
Therefore, the water supply part is simple in structural design and can supply water to the cooling spray gun, the washing water spray device and the adsorption water spray device more conveniently.
Further, a flange stop valve and an electromagnetic valve are arranged on the first branch water supply pipeline; a flange gate valve, an electromagnetic valve and a flange stop valve are arranged on the second branch water supply pipeline; the far end of the third branch water supply pipeline is connected with two branch pipelines which are respectively connected with two water adsorption spraying devices, and the two branch pipelines are respectively provided with an electromagnetic valve and a flange stop valve.
Like this, can control the break-make of first branch road water supply pipe, second branch road water supply pipe and third branch road water supply pipe respectively through the valve body that sets up separately, conveniently accomplish water supply separately more.
In this embodiment, the spraying ends of the two adsorption water spraying devices 9 are respectively arranged facing the two vertical outer side surfaces of the two first adsorption sieve plates 8.
Like this, through with two absorption water spray set's injection end respectively towards two vertical outside surfaces of two first absorption sieve plates setting for form relative confined space between the first absorption sieve plate and wash and adsorb the flue gas better.
In the present embodiment, the alkali liquor circulation supply system includes a washing circulation tank 23, an adsorption circulation tank 24 and a wastewater tank 25; the washing circulation pool and the adsorption circulation pool are respectively connected with an alkali liquor discharge port of the wet washing tower and an alkali liquor discharge port of the wet adsorption tower; the device also comprises a PH meter conductivity meter buffer box 26, wherein the output end of the PH meter conductivity meter buffer box is respectively communicated with the open ends of the washing circulation pool and the adsorption circulation pool; the output ends of the washing circulation tank and the adsorption circulation tank are respectively connected with a first liquid output structure 27 and a second liquid output structure 28, the output end of the first liquid output structure is connected with the input ends of the sewage tank, the first alkali liquor spraying device and the PH meter conductivity meter buffer tank, and the output end of the second liquid output structure is connected with the input ends of the sewage tank, the second alkali liquor spraying device and the PH meter conductivity meter buffer tank; and the wastewater tank is connected to the wastewater discharge section structure and is capable of discharging wastewater outside the battery limits 29.
In this way, in the above-mentioned lye circulating supply system, the lye used in the wet scrubber tower and the wet adsorber tower respectively flows into the scrubbing circulation tank and the adsorption circulation tank correspondingly for recovery processing. The output and the input of PH meter conductivity meter baffle-box set up with washing circulation pond and adsorption cycle pond intercommunication respectively for PH meter conductivity meter baffle-box can cushion the ratio to the liquid in washing circulation pond and the adsorption cycle pond, makes that the liquid in washing circulation pond and the adsorption cycle pond can be better by recycle. And the washing circulation tank and the adsorption circulation tank are also connected with the sewage tank, so that liquid after being used for many times can be discharged to the sewage tank, and the sewage is discharged to the outside of a boundary area after being treated by the sewage tank. The system can better recycle the used alkali liquor. But also can treat the sewage needing to be discharged so as to better discharge the sewage.
In this embodiment, the first liquid output structure 27 includes a pair of first alkali liquid output pipelines 30 connected to the output end of the washing circulation tank, the distal ends of the pair of first alkali liquid output pipelines are connected together to form the output end, and a basket filter 31, a washing circulation pump 32, a flange check valve 33 and an internal thread check valve 34 are sequentially disposed on the two first alkali liquid output pipelines and along the flowing direction of the internal liquid.
Therefore, the first liquid output structure is more reasonable in design and layout, can better control the output of the alkali liquor, and is simple in structure and more reasonable in design; the two paths are respectively formed for standby, and the reliability can be improved.
In this embodiment, the second liquid output structure 28 includes a pair of second alkali liquid output pipelines 35 connected to the output end of the adsorption circulation tank, the distal ends of the two paired second alkali liquid output pipelines are connected together in a converging manner to form the output end, and a basket filter, a washing circulation pump, a flange check valve and an internal thread check valve are sequentially disposed on the two second alkali liquid output pipelines and along the flow direction of the internal liquid.
Therefore, the second liquid output structure is simpler, the output of the liquid in the adsorption circulation tank can be better controlled, and the layout is more reasonable; the two paths are respectively formed for standby, and the reliability can be improved.
In this embodiment, the device further includes a self-alkali liquor delivery pump 36 respectively corresponding to the washing circulation tank and the adsorption circulation tank, the output ends of the two self-alkali liquor delivery pumps are respectively connected with an alkali liquor supply pipeline 37, and the two alkali liquor supply pipelines are respectively connected with the paired first alkali liquor output pipelines and the paired second alkali liquor output pipelines.
Therefore, the two self-alkali liquor delivery pumps can respectively supplement alkali liquor to the washing circulating pool and the adsorption circulating pool, so that the alkali liquor can be better circulated, and the quality of the alkali liquor is better.
Furthermore, a flange stop valve, a pneumatic valve and a flange stop valve are respectively arranged on the alkali liquor supply pipeline.
Like this, through set up flange stop valve, pneumatic valve and flange stop valve on alkali lye supply pipeline, can make things convenient for the supply of control alkali lye more.
Furthermore, auxiliary pipelines are respectively arranged corresponding to the alkali liquor supply pipelines, the two ends of each auxiliary pipeline are respectively connected to the outer side positions of the two paired flange stop valves on the alkali liquor supply pipelines, and the flange stop valves are arranged on the auxiliary pipelines.
Therefore, the auxiliary branch is formed on the alkali liquor supply pipeline, a second supply route can be formed, the design is more reasonable, and the control and the maintenance are more convenient.
Further, the device also comprises an adsorption circulating water cooler 38, wherein the cooling water input end of the adsorption circulating water cooler is connected with the output end of a self-wet cooling water pump 39, and the cooling water output end of the adsorption circulating water cooler is connected with a cooling tower 40; the adsorption circulating water cooler is also provided with a water inlet and a circulating water outlet which are respectively connected with the output end of the water supply part structure and the second alkali liquor spraying device.
Like this, through setting up absorption circulating water cooler, can be better provide coolant, better improvement alkali lye circulation quality.
Further, a siphon barrel 41 is arranged on one side of the sewage pool, the input end of the siphon barrel is communicated with the sewage pool, the output ends of the siphon barrel are connected with liquid discharge pipes 42 in pairs, and the far ends of the two liquid discharge pipes in pairs are converged and connected together to form an output end and can discharge sewage out of a boundary area; a flange stop valve, a basket filter, a wet wastewater sewage pump, a flange check valve and a flange stop valve are sequentially arranged on the liquid discharge pipe along the flowing direction of the liquid inside the liquid discharge pipe.
Like this, through setting up the siphon bucket, can be better get rid of the sewage of effluent water sump, more convenient control.
Furthermore, the input end and the output end of the wet wastewater sewage pump are respectively connected with a soft connecting pipe.
Like this, simple structure, and the setting of just easy to assemble more.
Furthermore, the left box body and the right box body of the PH meter conductivity meter buffer box are respectively provided with a conductivity detector in pairs, and the signal output ends of the conductivity detectors are respectively connected with the electromagnetic valves on the system pipelines.
Like this, the pH value of the interior liquid of balanced washing circulation pond and absorption circulation pond that can be better, it is more reasonable to design for the better operation requirement that satisfies of alkali lye of both sides.
Further, the device also comprises a quick cooling water tank 43, and the quick cooling water tank is connected with the output end of the second liquid output structure. This enables the lye to be stored.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A wet deacidification system comprises a wet washing tower, wherein the input end of the wet washing tower is connected with the outlet of an automatic dust remover; the device is characterized in that the output end of the wet washing tower is connected with the input end of the wet adsorption tower, and the output end of the wet adsorption tower is connected with the flue gas heater; a washing sieve plate is arranged at the upper end of the wet washing tower, a plurality of first alkali liquor spraying devices are vertically arranged below the washing sieve plate at intervals, and a washing water spraying device is arranged above the washing sieve plate; two first adsorption sieve plates are vertically arranged at the upper end of the wet adsorption tower at intervals, and adsorption water spraying devices are respectively arranged on two vertical outer sides of the two first adsorption sieve plates; two second adsorption sieve plates are vertically arranged at intervals at the lower end of the wet adsorption tower, and second alkali liquor spraying devices are respectively and correspondingly arranged above the second adsorption sieve plates; the first alkali liquor spraying device and the second alkali liquor spraying device are respectively connected with an alkali liquor circulating supply system, and the lower ends of the wet washing tower and the wet adsorption tower are respectively provided with an alkali liquor outlet and connected with the alkali liquor circulating supply system; the washing water spraying device and the adsorption water spraying device are respectively connected with the water supply part structure.
2. A wet deacidification system as defined in claim 1 wherein: an input port is formed at the lower end of the wet scrubbing tower, an input pipe which is horizontally outward and the outer end of which is vertically bent and extended upwards is connected to the input port, and the upper end of the input pipe forms an output end of the wet scrubbing tower; a cooling spray gun is arranged inside the upper end of the input pipe; and the input end of the cooling spray gun is connected with the alkali liquor circulating supply system and the water supply part structure.
3. A wet deacidification system as defined in claim 2 wherein: still include from the gas pitcher for technology, be connected with the gas supply line from between the gas output of gas pitcher for technology and the gas input of cooling spray gun, set gradually flange ball valve, relief pressure valve and flange ball valve on the gas supply line.
4. A wet deacidification system as defined in claim 3 wherein: a local pressure gauge is also arranged on the gas supply pipeline; still include the bypass air supply line, the bypass air supply line both ends are connected two flange ball valve outsides on the air supply line respectively, are provided with the flange stop valve on the bypass air supply line.
5. A wet deacidification system as defined in claim 2 wherein: the water supply part structure comprises a self-synthesis water main pipe, wherein the output end of the self-synthesis water main pipe is connected with a main water supply pipeline, a first branch water supply pipeline, a second branch water supply pipeline and a third branch water supply pipeline are connected to the main water supply pipeline, the far ends of the first branch water supply pipeline, the second branch water supply pipeline and the third branch water supply pipeline are respectively connected with a cooling spray gun,
The washing water spraying device is connected with the adsorption water spraying device.
6. A wet deacidification system as defined in claim 1 wherein: the spraying ends of the two adsorption water spraying devices are respectively arranged facing the two vertical outer side surfaces of the two first adsorption sieve plates.
7. A wet deacidification system as defined in claim 1 wherein: the alkali liquor circulating supply system comprises a washing circulating pool, an adsorption circulating pool and a wastewater pool; the washing circulation pool and the adsorption circulation pool are respectively connected with an alkali liquor discharge port of the wet washing tower and an alkali liquor discharge port of the wet adsorption tower; the output end of the PH meter conductivity meter buffer box is respectively communicated with the open ends of the washing circulation pool and the adsorption circulation pool; the output ends of the washing circulation tank and the adsorption circulation tank are respectively connected with a first liquid output structure and a second liquid output structure, the output end of the first liquid output structure is connected with the input ends of the sewage tank, the first alkali liquor spraying device and the PH meter conductivity meter buffer tank, and the output end of the second liquid output structure is connected with the input ends of the sewage tank, the second alkali liquor spraying device and the PH meter conductivity meter buffer tank; and the sewage tank is connected with the sewage discharge part structure and can discharge sewage to the outside of the boundary area.
8. A wet deacidification system as defined in claim 7 wherein: the first liquid output structure comprises first alkali liquor output pipelines connected to the output end of the washing circulating pool in pairs, the far ends of the two first alkali liquor output pipelines in pairs are connected together to form an output end, and a basket filter, a washing circulating pump, a flange check valve and an internal thread check valve are sequentially arranged on the two first alkali liquor output pipelines and along the flowing direction of the internal liquid.
9. A wet deacidification system as defined in claim 8 wherein: the second liquid output structure comprises second alkali liquor output pipelines connected to the output end of the adsorption circulation tank in pairs, the far ends of the two second alkali liquor output pipelines in pairs are connected together in a gathering mode to form an output end, and a basket filter, a washing circulation pump, a flange check valve and an internal thread check valve are sequentially arranged on the two second alkali liquor output pipelines and along the flowing direction of the internal liquid.
10. A wet deacidification system as defined in claim 9 wherein: the device also comprises two self-alkali liquor delivery pumps which are respectively arranged corresponding to the washing circulating pool and the adsorption circulating pool, wherein the output ends of the two self-alkali liquor delivery pumps are respectively connected with alkali liquor supply pipelines, and the two alkali liquor supply pipelines are respectively connected with a paired first alkali liquor output pipeline and a paired second alkali liquor output pipeline.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114797708A (en) * | 2022-05-23 | 2022-07-29 | 倪治法 | Deacidifying circulation system and deacidifying process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797708A (en) * | 2022-05-23 | 2022-07-29 | 倪治法 | Deacidifying circulation system and deacidifying process |
| CN114797708B (en) * | 2022-05-23 | 2024-02-20 | 倪治法 | Deacidification circulating system and deacidification process |
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