CN215610526U - Wet desulfurization and denitrification integrated treatment device based on ammonia-calcium method - Google Patents
Wet desulfurization and denitrification integrated treatment device based on ammonia-calcium method Download PDFInfo
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- CN215610526U CN215610526U CN202122314354.1U CN202122314354U CN215610526U CN 215610526 U CN215610526 U CN 215610526U CN 202122314354 U CN202122314354 U CN 202122314354U CN 215610526 U CN215610526 U CN 215610526U
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Abstract
The utility model is suitable for the technical field of desulfurization and denitrification, and provides a wet desulfurization and denitrification integrated treatment device based on an ammonia-calcium method, which comprises a tower body, a sieve plate, a jet flow pipe, spraying cloth, a demister, a centrifugal fan, a circulating pool, an outer pool, an inner pool, a circulating pump and a lime water tank, wherein the sieve plate and a cyclone plate are arranged in the tower body, so that gas is filtered, and meanwhile, the cyclone plate drives the gas to rise, so that the gas is conveniently desulfurized and denitrated, and the environmental protection property is higher; the inner tank can be used for mixing ammonia calcium raw materials, and the ammonia calcium raw materials are precipitated through the sedimentation tank, so that the use cost is reduced; and the circulating pump pours the mixed liquid into the jet flow pipe, and is sprayed out through a plurality of pipe nozzles, and is sprayed on the spray cloth, and then reacts with the smoke, and simultaneously the circulating water is impacted and torn by the airflow, so that a plurality of liquid drops with micron-sized particle sizes are generated by atomization, and a layer of three-phase fluidized layer with the height of dozens of centimeters is formed above the sieve plate, so that the contact between the smoke and the spray water is increased in geometric grade, the desulfurization and denitrification efficiency is improved, and the flue gas desulfurization and denitrification device is more worthy of popularization and use.
Description
Technical Field
The utility model belongs to the technical field of desulfurization and denitrification, and particularly relates to a wet desulfurization and denitrification integrated treatment device based on an ammonia-calcium method.
Background
In present exhaust gas desulfurization denitration technical field, the boiler more adopts SNCR to deal with the device on the market and need carry out the spray gun design to every boiler, can increase the investment cost of enterprise like this to SNCR's treatment effeciency receives the influence of temperature to a great extent, and the temperature interval is selected inappropriately, and the treatment effect is extremely poor.
Meanwhile, the process of oxidizing nitric oxide by adopting an ozone oxidation method or oxidants such as sodium chlorite and sodium hypochlorite and then absorbing nitric oxide by utilizing a desulfurization system has the defects of high oxidation cost, escape of ozone, formation of nitrate and chloride ion wastewater and the like, so that the process is not an ideal denitration process. And the SOx/NOx control tower uses comparatively inconveniently, and SOx/NOx control efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wet desulfurization and denitrification integrated treatment device based on an ammonia-calcium method, and aims to solve the problems of low desulfurization and denitrification efficiency and high cost in the background.
The utility model discloses a wet desulfurization and denitrification integrated treatment device based on an ammonia-calcium method.
Be provided with in the tower body and hold the chamber, install the intercommunication on the outer wall of tower body the intake pipe that holds the chamber, the exhaust hole has been seted up on the tower body.
The jet pipe is installed in the containing cavity and connected with the circulating pump through a pipeline.
And a plurality of tobacco pipe nozzles are arranged on the jet flow pipe.
The three-layer spray cloth sets up hold the inner wall in chamber, spray the cloth setting and be in the below of jet-propelled pipe.
And a packing layer is arranged on the inner wall of the accommodating cavity.
The sieve inlays the dress and is in hold on the inner wall in chamber, a plurality of sieve meshes have been seted up on the sieve, and be a plurality of the sieve sets up the below of jet-propelled pipe.
And a rotational flow plate is embedded on the inner wall of the accommodating cavity.
Preferably, the exhaust hole is communicated with the centrifugal fan through a bent pipe.
And an exhaust pipe is arranged on the centrifugal fan.
And a rain cover is arranged on the exhaust pipe.
Preferably, the circulation tank includes the inner tank and the outer tank.
And a first valve is arranged on the inner tank.
And a second valve is arranged on the outer tank.
The first valve and the second valve are connected with the circulating pump through a three-way pipe.
Preferably, the inner tank comprises a sedimentation tank and a mixing tank.
The sedimentation tank is communicated with the mixing tank through a connecting valve.
The outer pool is communicated with the mixing pool through a second connecting valve.
Preferably, a driving motor is installed on the outer wall of the inner tank, and a stirring shaft is rotatably installed in the mixing tank.
The driving motor is in transmission connection with the stirring shaft.
And a plurality of stirring rods are arranged on the stirring shaft.
Preferably, the lime water tank is installed at one side of the circulation tank.
And the lime water tank is communicated with the mixing pool through a third valve.
Preferably, the inner wall of the sedimentation tank is provided with a sliding groove, and the sliding groove is provided with a plurality of through holes.
The through holes are communicated with the first valve through pipelines.
And the sliding groove is internally and slidably connected with a flashboard.
A plurality of water through holes are formed in the flashboard.
Preferably, a transparent observation window is arranged on the outer wall of the tower body.
The lower surface of tower body is provided with the base.
Compared with the prior art, the utility model has the beneficial effects that: according to the wet desulfurization and denitrification integrated treatment device based on the ammonia-calcium method, the sieve plate and the cyclone plate are arranged in the tower body, so that gas is filtered, and meanwhile, the cyclone plate drives the gas to rise, so that the gas is conveniently desulfurized and denitrated, and the environmental friendliness is higher; the inner tank can be used for mixing ammonia calcium raw materials, and the ammonia calcium raw materials are precipitated through the sedimentation tank, so that the use cost is reduced; the circulating pump fills the mixed liquid into the jet flow pipe, the mixed liquid is sprayed out through the plurality of tobacco pipe nozzles and sprayed on the spray cloth to react with the smoke, and meanwhile, the circulating water is impacted and torn by airflow, so that a plurality of liquid drops with micron-sized particle sizes are generated by atomization, and a three-phase fluidized layer with the height of dozens of centimeters is formed above the sieve plate, so that the contact between the smoke and the spray water is increased in geometric grade, and the desulfurization and denitrification efficiency is improved; and the device has simple operation, comprehensive functions and lower use cost, and is more worthy of popularization and use.
Drawings
FIG. 1 is a front elevational view of the utility model in its entirety;
fig. 2 is a schematic structural view of a tower body of the present invention;
FIG. 3 is a schematic view of the construction of the circulation tank of the present invention;
FIG. 4 is an enlarged view of the utility model at A in FIG. 3;
in the figure: 1. a tower body; 101. an accommodating chamber; 102. an air inlet pipe; 103. an exhaust hole; 104. a base; 105. an observation window; 2. a sieve plate; 201. a swirl plate; 3. a jet pipe; 301. a tobacco pipe nozzle; 302. a filler layer; 4. spraying cloth; 5. a demister; 6. bending the tube; 7. a centrifugal fan; 701. an exhaust pipe; 702. a rain cover; 8. a circulation tank; 9. an inner pool; 901. a sedimentation tank; 902. a mixing tank; 903. a first valve; 904. connecting a first valve; 10. an outer pool; 1001. a second connecting valve; 1002. a second valve; 11. a circulation pump; 12. a drive motor; 1201. a stirring shaft; 1202. a stirring rod; 13. a sliding groove; 1301. a through hole; 14. a shutter plate; 1401. a water through hole; 15. a lime water tank; 1501. and a third valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-4, the present invention provides a technical solution: a wet desulfurization and denitration integrated treatment device based on an ammonia-calcium method comprises a tower body 1, sieve plates 2, a jet flow pipe 3, a spray cloth 4, a demister 5, a centrifugal fan 7, a circulating tank 8, an inner tank 9, an outer tank 10, a circulating pump 11 and a lime water tank 15, wherein a containing cavity 101 is arranged in the tower body 1, an air inlet pipe 102 communicated with the containing cavity 101 is arranged on the outer wall of the tower body 1, an exhaust hole 103 is formed in the tower body 1, the jet flow pipe 3 is arranged in the containing cavity 101, the jet flow pipe 3 is connected with the circulating pump 11 through a pipeline, a plurality of smoke hopper nozzles 301 are arranged on the jet flow pipe 3, three layers of spray cloth 4 are arranged on the inner wall of the containing cavity 101, the spray cloth 4 is arranged below the jet flow pipe 3, a packing layer 302 is arranged on the inner wall of the containing cavity 101, the sieve plates 2 are embedded on the inner wall of the containing cavity 101, a plurality of sieve holes are formed in the sieve plates 2, and the sieve plates 2 are arranged below the jet flow pipe 3, the inner wall of the accommodating cavity 101 is embedded with a cyclone plate 201.
Wherein, the air inlet pipe 102 is convenient for waste gas to enter the containing cavity 101, the circulating pump 11 is convenient for mixed liquid to flow into the jet flow pipe 3, the mixed liquid is sprayed on the spraying cloth 4 through the plurality of pipe nozzles 301, the pipe nozzles 301 have better atomization effect and light equipment abrasion, the multi-layer spraying cloth 4 can form continuous water films on the inner wall of the containing cavity 101, so that the spraying and water film effects are comprehensively improved, the desulfurization and dust removal efficiency is improved, the flue gas rises through the cyclone plate 201, when the flue gas passes through the sieve plate 2, the flue gas is accelerated through the plurality of sieve holes and is in violent contact with circulating liquid sprayed from the upper part of the plate, the water is flushed and torn by air flow, thereby a plurality of liquid drops with micron-sized particle diameter are generated by atomization, a layer of three-phase fluidized layer with the height of dozens of centimeters is formed above the sieve plate 2, thereby the contact between the flue gas and the spraying water is increased in geometric grade, and the self kinetic energy of the flue gas is utilized to carry out full gas-liquid two-phase contact with the packing layer 302, carrying out mass transfer reaction, leading the flue gas to pass through the desulfurization, denitrification and dust removal of the mixing device in the tower,
Wherein, centrifugal fan 7 passes through the gas after the blast pipe 701 extraction purification, discharges through blast pipe 701, and rain-proof cover 702 can prevent simultaneously that the rainwater from falling into in the blast pipe 701, prolongs the life of this device.
The circulation tank 8 comprises an inner tank 9 and an outer tank 10, a first valve 903 is installed on the inner tank 9, a second valve 1002 is installed on the outer tank 10, the first valve 903 and the second valve 1002 are connected with the circulation pump 11 through a three-way pipe, the inner tank 9 comprises a sedimentation tank 901 and a mixing tank 902, the sedimentation tank 901 is communicated with the mixing tank 902 through a first connecting valve 904, and the outer tank 10 is communicated with the mixing tank 902 through a second connecting valve 1001.
In addition, interior pond 9 and outer pond 10 all communicate circulating pump 11 through the pipeline, and then circulate through circulating pump 11 and mix the liquid, and the mixed liquid flows out in the 9 steerable interior ponds of valve 903, and the circulating water inflow of being convenient for of valve two 1002 is outer pond 10, and sedimentation tank 901 makes things convenient for mixed liquid to deposit, and connecting valve 904 is convenient for mix the back liquid simultaneously and flows in sedimentation tank 901.
The outer wall of the inner pool 9 is provided with a driving motor 12, a stirring shaft 1201 is rotatably arranged in the mixing pool 902, the driving motor 12 is in transmission connection with the stirring shaft 1201, and the stirring shaft 1201 is provided with a plurality of stirring rods 1202.
In addition, the driving motor 12 drives the stirring shaft 1201 to rotate, and the lime water raw material is stirred by the plurality of stirring rods 1202, so that the mixed liquid is more uniform.
The lime water tank 15 is arranged on one side of the circulating tank 8, and the lime water tank 15 is communicated with the mixing tank 902 through a valve III 1501.
Further, lime water tank 15 is used for storing lime wash, can open valve three 1501 and pour into lime wash to mixing tank 902 is inside, can pour into as required, and it is more convenient to use.
The inner wall of the sedimentation tank 901 is provided with a sliding groove 13, the sliding groove 13 is provided with a plurality of through holes 1301, the through holes 1301 are communicated with a first valve 903 through a pipeline, the sliding groove 13 is connected with a flashboard 14 in a sliding mode, and the flashboard 14 is provided with a plurality of water through holes 1401.
Specifically, the shutter 14 is slidable in the slide groove 13, and the water passage hole 1401 is fitted to the through hole 1301, so that the mixed water can easily flow through the water passage hole 1401 when the water passage hole 1401 faces the through hole 1301, and the mixed water can easily be adjusted by moving the shutter 14.
A transparent observation window 105 is arranged on the outer wall of the tower body 1, and a base 104 is arranged on the lower surface of the tower body 1.
It should be noted that, the transparent observation window 105 is convenient for observing the working condition inside the tower body 1, and finds potential safety hazards in time, and the base 104 can be buried underground, so as to improve the stability of the tower body 1.
The working principle and the using process of the utility model are as follows: after the device is installed, lime water is filled into a lime water tank 15 through the interior of a valve third 1501 mixing pool 902, a driving motor 12 drives a stirring shaft 1201 to rotate, lime water raw materials are stirred through a plurality of stirring rods 1202, a connecting valve I904 is opened, the lime water enters a sedimentation pool 901, a valve I903 is opened, a circulating pump 11 inputs mixed liquid to a jet pipe 3, waste gas enters a containing cavity 101 through an air inlet pipe 102, the mixed liquid is sprayed on spraying cloth 4 through a plurality of pipe nozzles 301, a plurality of layers of spraying cloth 4 can form continuous water films on the inner wall of the containing cavity 101, so that the spraying and water film effects are comprehensively improved, a cyclone plate 201 enables the flue gas to rise, when the flue gas passes through a sieve plate 2, a plurality of sieve holes enable the flue gas to accelerate and make violent contact with circulating liquid sprayed from the upper part of the sieve plate, water is splashed and torn by airflow, and a three-phase fluidized layer with the height of dozens of centimeters is formed above the sieve plate 2, make the contact of flue gas and shower water promote, utilize the kinetic energy of flue gas self to carry out the double-phase abundant contact of gas-liquid with packing layer 302, the flue gas is in the tower through mixing arrangement's SOx/NOx control dust removal, and centrifugal fan 7 exhausts through blast pipe 701 through the gas after the blast pipe 701 extraction purifies, discharges through blast pipe 701.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a wet flue gas desulfurization denitration integration processing apparatus based on ammonia calcium method which characterized in that: comprises a tower body (1), a sieve plate (2), a jet pipe (3), a spraying cloth (4), a demister (5), a centrifugal fan (7), a circulating pool (8), an inner pool (9), an outer pool (10), a circulating pump (11) and a lime water tank (15);
an accommodating cavity (101) is arranged in the tower body (1), an air inlet pipe (102) communicated with the accommodating cavity (101) is installed on the outer wall of the tower body (1), and an exhaust hole (103) is formed in the tower body (1);
the jet pipe (3) is arranged inside the accommodating cavity (101), and the jet pipe (3) is connected with the circulating pump (11) through a pipeline;
a plurality of tobacco pipe nozzles (301) are arranged on the jet pipe (3);
the three layers of the spraying cloth (4) are arranged on the inner wall of the accommodating cavity (101), and the spraying cloth (4) is arranged below the jet pipe (3);
a packing layer (302) is arranged on the inner wall of the containing cavity (101);
the sieve plate (2) is embedded on the inner wall of the accommodating cavity (101), a plurality of sieve holes are formed in the sieve plate (2), and the sieve plates (2) are arranged below the jet pipe (3);
and a cyclone plate (201) is embedded on the inner wall of the accommodating cavity (101).
2. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 1, characterized in that: the exhaust hole (103) is communicated with the centrifugal fan (7) through a bent pipe (6);
an exhaust pipe (701) is arranged on the centrifugal fan (7);
a rain cover (702) is installed on the exhaust pipe (701).
3. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 1, characterized in that: the circulation tank (8) comprises the inner tank (9) and an outer tank (10);
a first valve (903) is arranged on the inner pool (9);
a second valve (1002) is arranged on the outer pool (10);
the first valve (903) and the second valve (1002) are connected with the circulating pump (11) through a three-way pipe.
4. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 1, characterized in that: the inner pool (9) comprises a sedimentation pool (901) and a mixing pool (902);
the sedimentation tank (901) is communicated with the mixing tank (902) through a first connecting valve (904);
the outer tank (10) is communicated with the mixing tank (902) through a second connecting valve (1001).
5. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 4, wherein: a driving motor (12) is installed on the outer wall of the inner pool (9), and a stirring shaft (1201) is rotatably installed in the mixing pool (902);
the driving motor (12) is in transmission connection with the stirring shaft (1201);
a plurality of stirring rods (1202) are arranged on the stirring shaft (1201).
6. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 4, wherein: the lime water tank (15) is arranged on one side of the circulating pool (8);
the lime water tank (15) is communicated with the mixing pool (902) through a valve III (1501).
7. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 4, wherein: a sliding groove (13) is formed in the inner wall of the sedimentation tank (901), and a plurality of through holes (1301) are formed in the sliding groove (13);
the through holes (1301) are communicated with the first valve (903) through pipelines;
the slide groove (13) is internally and slidably connected with a flashboard (14);
the flashboard (14) is provided with a plurality of water through holes (1401).
8. The integrated treatment device for wet desulfurization and denitrification based on the ammonia-calcium method as claimed in claim 1, characterized in that: a transparent observation window (105) is arranged on the outer wall of the tower body (1);
the lower surface of the tower body (1) is provided with a base (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314354.1U CN215610526U (en) | 2021-09-24 | 2021-09-24 | Wet desulfurization and denitrification integrated treatment device based on ammonia-calcium method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314354.1U CN215610526U (en) | 2021-09-24 | 2021-09-24 | Wet desulfurization and denitrification integrated treatment device based on ammonia-calcium method |
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| Publication Number | Publication Date |
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| CN215610526U true CN215610526U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122314354.1U Active CN215610526U (en) | 2021-09-24 | 2021-09-24 | Wet desulfurization and denitrification integrated treatment device based on ammonia-calcium method |
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| CN (1) | CN215610526U (en) |
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2021
- 2021-09-24 CN CN202122314354.1U patent/CN215610526U/en active Active
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