CN215539799U - SOx/NOx control is with spray set on a large scale - Google Patents
SOx/NOx control is with spray set on a large scale Download PDFInfo
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- CN215539799U CN215539799U CN202121964798.3U CN202121964798U CN215539799U CN 215539799 U CN215539799 U CN 215539799U CN 202121964798 U CN202121964798 U CN 202121964798U CN 215539799 U CN215539799 U CN 215539799U
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Abstract
The utility model belongs to the technical field of gas purification and environmental protection, and particularly relates to a large-range spray device for desulfurization and denitrification, which comprises a tower body, wherein a smoke inlet pipe is arranged on the left side of the tower body, a smoke outlet pipe is arranged at the top of the tower body, a water pump is arranged on the right side of the lower part of the tower body and is connected with a water pumping pipe and a water outlet pipe, the water pumping pipe is connected with a spray reservoir, the water outlet of the water outlet pipe is fixedly connected with a spray device through a flange, the spray device comprises a main pipe, a first water conveying pipe, a second water conveying pipe and a spray head, the front side and the rear side of the main pipe are respectively connected with the first water conveying pipe, the bottom of the first water conveying pipe is connected with the second water conveying pipe, the outer side of the second water conveying pipe is connected with the spray head, the bottom of the spray device is fixedly connected with a spray support, the spray support is fixed on the inner wall of the tower body, a flue gas flow equalizing device is arranged below the spray support, and the spray device can enable flue gas to uniformly pass through the spray device, thereby achieving the purpose of fully contacting the smoke and the liquid.
Description
Technical Field
The utility model belongs to the technical field of gas purification and environmental protection, and particularly relates to a large-range spraying device for desulfurization and denitrification.
Background
With the rapid development of the power industry, the national environment protection level is increasing, and particularly, strict emission standards are applied to the emission of main atmospheric pollutants. At present, the wet desulphurization technology always occupies a leading position in the desulphurization field, in the traditional wet desulphurization process, the flue gas enters the inside of a desulphurization tower from a flue inlet, is bent by a wall surface and then rises along the height direction of the tower, meanwhile, a slurry circulating pump pumps slurry to a spraying layer from the bottom of a slurry storage tank, and the slurry is atomized by a nozzle and sprayed downwards to be mixed with the flue gas from the upstream to the downstream for reaction, so that the sulfur dioxide in the desulphurization flue gas achieves the purpose of environmental protection.
SUMMERY OF THE UTILITY MODEL
Present spray set shower head is less, and the flue gas gets into the inside can not evenly disperse of tower body and opens, can not very effectually handle in the flue gas treatment process, leads to the thick liquid of flue gas and absorbent can not abundant reasonable contact, and then influences absorption efficiency. The utility model provides a large-range spraying device for desulfurization and denitrification, which enables flue gas to uniformly pass through the spraying device, so that the aim of fully contacting the flue gas with liquid is fulfilled.
The utility model provides the following technical scheme: the utility model provides a SOx/NOx control is with spray set on a large scale, includes the tower body, the tobacco pipe has been seted up into in the tower body left side, tower body top position has seted up out the tobacco pipe, the water pump has been installed on tower body lower part right side, drinking-water pipe and outlet pipe are connected to the water pump, the drinking-water union coupling sprays the cistern, the delivery port of outlet pipe passes through flange and spray set fixed connection, spray set includes main female pipe, first raceway, second raceway, shower head, both sides all are connected with first raceway around main female pipe, the second raceway is connected to the bottom of first raceway, the shower head is connected in the second raceway outside, spray set's bottom fixedly connected with sprays the support, it fixes on the inner wall of tower body to spray the support, spray the flue gas flow straightener below.
The gas inlet of the smoke inlet pipe is arranged between the smoke flow equalizing device and the spraying reservoir; the flue gas entering the interior of the tower body contacts the liquid in the spraying water storage tank, and a part of smoke dust can be collected firstly.
The water outlet pipe is vertically arranged, and two branch water outlets are formed in the water outlet pipe; the water outlet of the water outlet pipe is connected with the main pipe through a flange, and liquid is conveyed to the spraying device.
The spraying device and the flue gas flow equalizing device are respectively provided with two spraying devices and two flue gas flow equalizing devices; in order to promote the spraying, desulfurization and denitrification effect, two groups of spraying devices and two groups of flue gas flow equalizing devices are arranged, so that the flue gas passing through can be shunted by the flow equalizing tubes in order to avoid concentrating the flue gas at a certain part of the flue gas flow equalizing devices, thereby reaching the contact spraying devices with uniform flue gas and fully contacting the flue gas with liquid.
The main pipe, the first water conveying pipe and the second water conveying pipe are hollow cylinders.
The spraying outlets of the spraying heads are fan-shaped, and the spraying heads are uniformly distributed around the outer side of the second water conveying pipe in a mutually staggered mode; in order to enable the spraying range to cover a circle of the second water conveying pipe, the spraying openings of the spraying heads are arranged to be fan-shaped, so that the spraying flows of the spraying heads are distributed in a fan-shaped mode.
The flue gas flow equalizing device comprises a disc and flow equalizing pipes, wherein the disc is funnel-shaped, the flow equalizing pipes are uniformly distributed in the disc and penetrate through the disc, and the flue gas flow equalizing device is fixedly connected to the inner wall of the tower body; the flue gas gets into the inside of tower body through advancing the tobacco pipe, and the flue gas of gathering is carried out the homodisperse with the flue gas of flow straightener internal flow equalizing pipe to this reaches spray set and the effect of flue gas fully contact.
The utility model has the beneficial effects that: this device can be abundant and liquid contact in order to guarantee the flue gas, through flue gas flow straightener, the flue gas that will get into the tower body inside carries out the homodisperse, flue gas after the dispersion gets into spray set through the flow straightener, the liquid in the water pump will spray the pond is through the outlet pipe, send into spray set with liquid, a plurality of shower head of dispersion on spray set's the second raceway lateral wall, every shower head spun liquid is fan-shaped distribution, realize that every layer of shower head can 360 cover second raceway a week, every layer of shower head is equivalent to one and blocks the cross-section, a plurality of shower heads of second raceway outside distribution, be equivalent to the flue gas and need block the cross-section through a plurality of, reach the purpose of flue gas and liquid fully contacting with this.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the spraying device of the present invention;
FIG. 3 is a schematic view of a second water delivery tube according to the present invention;
FIG. 4 is a schematic view of a showerhead structure according to the present invention;
FIG. 5 is a schematic structural view of a flue gas flow equalizing device according to the present invention;
in the figure: 1. a tower body; 2. a smoke inlet pipe; 3. discharging the smoke tube; 4. a water pump; 5. a water pumping pipe; 6. a water outlet pipe; 7. spraying a reservoir; 8. a flange; 9. a spraying device; 10. a main pipe; 11. a first water delivery pipe; 12. a second water delivery pipe; 13. a shower head; 14. spraying a bracket; 15. a flue gas flow equalizing device; 16. a disc; 17. a flow equalizing pipe.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a SOx/NOx control is with spray set on a large scale, includes tower body 1, the tobacco pipe 2 has been seted up into in tower body 1 left side, the tobacco pipe 3 has been seted up to tower body 1 top position, water pump 4 has been installed on tower body 1 lower part right side, water pump 4 connects drinking-water pipe 5 and outlet pipe 6, drinking-water pipe 5 connects sprays cistern 7, the delivery port of outlet pipe 6 passes through flange 8 and spray set 9 fixed connection, spray set 9 includes main female pipe 10, first raceway 11, second raceway 12, shower head 13, both sides all are connected with first raceway 11 around main female pipe 10, second raceway 12 is connected to the bottom of first raceway 11, spray head 13 is connected to the second raceway 12 outside, spray set 9's bottom fixedly connected with spray support 14, spray support 14 fixes on tower body 1's inner wall, and a flue gas flow equalizing device 15 is arranged below the spraying bracket 14.
The position of the air inlet of the smoke inlet pipe 2 is arranged between the smoke flow equalizing device 15 and the spraying reservoir 7; the flue gas entering the interior of the tower body 1 contacts the liquid in the spraying reservoir 7, and a part of smoke dust can be collected firstly.
The water outlet pipe 6 is vertically arranged, and the water outlet pipe 6 is provided with two branch water outlets; the water outlet of the water outlet pipe 6 is connected with a main pipe 10 through a flange 8, and liquid is conveyed to a spraying device 9.
Two spraying devices 9 and two flue gas flow equalizing devices 15 are arranged; in order to promote the spraying, desulfurization and denitrification effect, two groups of spraying devices 9 and two groups of flue gas flow equalizing devices 15 are arranged, so that the flue gas passing through can be shunted by the flow equalizing pipe 17 in order to avoid concentrating the flue gas at a certain part of the flue gas flow equalizing devices 15, and the flue gas is fully contacted with liquid by the aid of the contact spraying devices 9 even in flue gas.
The main pipe 10, the first water delivery pipe 11 and the second water delivery pipe 12 are hollow cylinders.
The spraying outlets of the spraying heads 13 are fan-shaped, and the spraying heads 13 are mutually and uniformly distributed around the outer side of the second water conveying pipe 12 in a staggered mode; the jet orifice of the spray header 13 is set to be fan-shaped, so that the jet orifice of the spray header 13 is distributed in fan shape, and the jet range can cover one circle of the second water conveying pipe 12.
The flue gas flow equalizing device 15 comprises a disc 16 and a flow equalizing pipe 17, wherein the disc 16 is funnel-shaped, the flow equalizing pipe 17 is uniformly distributed in the disc 16, the flow equalizing pipe 17 penetrates through the disc 16, and the flue gas flow equalizing device 15 is fixedly connected to the inner wall of the tower body 1; the flue gas enters the interior of the tower body 1 through the flue gas inlet pipe 2, and the flue gas gathered is uniformly dispersed by the flow equalizing pipe 17 in the flue gas flow equalizing device 15, so that the effect that the spraying device 9 is fully contacted with the flue gas is achieved.
The working principle and the using process of the utility model are as follows: the flue gas enters the interior of the tower body 1 through the flue gas inlet pipe 2, in order to prevent a part of the flue gas entering the interior of the tower body 1 from escaping along the inner wall of the tower body 1 and the other part from gathering, a flue gas flow equalizing device 15 is arranged below the spraying device 9, in order to prevent the flue gas from gathering at a certain part of the flue gas flow equalizing device 15, the flow equalizing pipe 17 can enable the passing flue gas to be divided, so that the flue gas is uniformly contacted with the spraying device 9, the water pump 4 pumps the liquid in the spraying reservoir 7 into the water outlet pipe 6, the liquid is sent into the spraying device 9 through the water outlet pipe 6, the liquid sprayed out by the spraying heads 13 of the spraying device 9 is distributed in a fan shape around the second water conveying pipe 12, in order to enable the flue gas to be fully contacted with the liquid, a plurality of layers of spraying heads 13 are arranged on the second water conveying pipe 12, each layer of spraying heads 13 is equivalent to a contact surface, so that the liquid can be more fully contacted with the flue gas, in order to improve the spraying, desulfurization and denitrification effects, two groups of spraying devices 9 and a flue gas flow equalizing device 15 are arranged, so that the contact between the flue gas and the liquid can be better realized.
Claims (7)
1. The utility model provides a SOx/NOx control is with spray set on a large scale which characterized in that: the tower comprises a tower body, the inlet flue pipe has been seted up in the tower body left side, the outlet flue pipe has been seted up to tower body top position, the water pump has been installed on tower body lower part right side, drinking-water pipe and outlet pipe are connected to the water pump, the drinking-water union coupling sprays the cistern, the delivery port of outlet pipe passes through flange and spray set fixed connection, spray set includes main female pipe, first raceway, second raceway, shower head, both sides all are connected with first raceway around main female pipe, the second raceway is connected to the bottom of first raceway, the shower head is connected in the second raceway outside, spray set's bottom fixedly connected with sprays the support, it fixes on the inner wall of tower body to spray the support, the flue gas flow straightener has been installed to spray the support below.
2. The large-scale spray device for desulfurization and denitrification according to claim 1, characterized in that: the position of the air inlet of the smoke inlet pipe is arranged between the smoke flow equalizing device and the spraying reservoir.
3. The large-scale spray device for desulfurization and denitrification according to claim 1, characterized in that: the water outlet pipe is vertically arranged and provided with two branch water outlets.
4. The large-scale spray device for desulfurization and denitrification according to claim 1, characterized in that: spray set and flue gas flow straightener all are equipped with two.
5. The large-scale spray device for desulfurization and denitrification according to claim 1, characterized in that: the main pipe, the first water conveying pipe and the second water conveying pipe are hollow cylinders.
6. The large-scale spray device for desulfurization and denitrification according to claim 1, characterized in that: the spraying outlets of the spraying heads are fan-shaped, and the spraying heads are uniformly distributed around the outer side of the second water conveying pipe in a mutually staggered mode.
7. The large-scale spray device for desulfurization and denitrification according to claim 1, characterized in that: the flue gas flow straightener includes the disc and flow straightener, the disc is the infundibulate, evenly distributed flow straightener in the disc, the flow straightener runs through the disc, flue gas flow straightener fixed connection is on the inner wall of tower body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121964798.3U CN215539799U (en) | 2021-08-20 | 2021-08-20 | SOx/NOx control is with spray set on a large scale |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121964798.3U CN215539799U (en) | 2021-08-20 | 2021-08-20 | SOx/NOx control is with spray set on a large scale |
Publications (1)
Publication Number | Publication Date |
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CN215539799U true CN215539799U (en) | 2022-01-18 |
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Family Applications (1)
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CN202121964798.3U Active CN215539799U (en) | 2021-08-20 | 2021-08-20 | SOx/NOx control is with spray set on a large scale |
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2021
- 2021-08-20 CN CN202121964798.3U patent/CN215539799U/en active Active
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