CN213853845U - Range-extending type desulfurization and denitrification integrated device - Google Patents
Range-extending type desulfurization and denitrification integrated device Download PDFInfo
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- CN213853845U CN213853845U CN202021658263.9U CN202021658263U CN213853845U CN 213853845 U CN213853845 U CN 213853845U CN 202021658263 U CN202021658263 U CN 202021658263U CN 213853845 U CN213853845 U CN 213853845U
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Abstract
The utility model discloses an increase form SOx/NOx control integrated device, include: the shell is tubular; the waste gas pretreatment device comprises a waste gas pretreatment part, a waste gas inlet branch pipe, a waste gas inlet nozzle, a waste gas inlet main pipe and an anti-backflow pipe, wherein the fixed frame and the waste gas inlet main pipe are arranged on the shell; the extension turbulent flow element comprises a first extension turbulent flow element and a second extension turbulent flow element; the desulfurization and denitrification part comprises a spray branch pipe, a spray head, a communicating pipe and a spray main pipe. The utility model has the advantages of reasonable design, compact structure, waste gas flow path length, waste gas and SOx/NOx control liquid reaction in the casing are abundant, can utilize the thick liquid to carry out initial SOx/NOx control to waste gas, and waste gas SOx/NOx control rate is high, SOx/NOx control liquid use amount is low and SOx/NOx control is with low costs.
Description
Technical Field
The utility model relates to an environmental engineering technical field, more specifically say, the utility model relates to an increase form SOx/NOx control integrated device.
Background
The treatment of exhaust gas is also called exhaust gas purification. The waste gas treatment refers to the pretreatment of waste gas generated in industrial places and factory workshops before the waste gas is discharged to the outside so as to achieve the national standard work of waste gas discharge to the outside. The pollutants in the exhaust gas include primary pollutants and secondary pollutants, wherein the primary pollutants refer to pollutants directly emitted from pollution sources, such as SO2、NO2CO, particulates, etc.; the secondary pollutant is a new atmospheric pollutant which is formed by the interaction of the primary pollutant in the atmosphere through chemical reaction or photochemical reaction and has completely different physical and chemical properties from the primary pollutant, the toxicity of the new atmospheric pollutant is stronger than that of the primary pollutant, and the most common secondary pollutants are sulfuric acid and sulfate aerosol, nitric acid and nitrate aerosol, ozone, photochemical oxidant OX and the like. These pollutants can cause environmental problems such as smog, acid rain, global warming, ozone layer depletion, and the like.
For controlling SO2And NOXAcid rain pollution caused by emission mainly exists, flue gas desulfurization and denitration methods of thermal power plants are various, wherein a wet flue gas desulfurization and denitration technology has higher desulfurization efficiency and is generally applied to various large, medium and small enterprises in China at present.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides an increase form SOx/NOx control integrated device specifically adopts following technical scheme:
an increase form SOx/NOx control integrated device includes:
a housing, the housing being tubular;
the waste gas pretreatment device comprises a fixing frame, a waste gas input branch pipe, a waste gas input nozzle, a waste gas input main pipe and an anti-backflow pipe, wherein the fixing frame and the waste gas input main pipe are arranged on the shell;
the extension turbulent flow element is arranged on the shell and comprises a first extension turbulent flow element and a second extension turbulent flow element, and the first extension turbulent flow element and the second extension turbulent flow element are arranged on the shell; the first extension turbulent flow piece comprises a first partition plate and an exhaust turbulent flow piece, the first partition plate is arranged on the shell, the exhaust turbulent flow piece is arranged on the first partition plate, and the second extension turbulent flow piece comprises a second partition plate;
the desulfurization and denitrification part is arranged on the shell and comprises a spray branch pipe, a spray head, a communicating pipe and a spray main pipe, wherein the spray branch pipe and the spray main pipe are arranged on the shell, the spray head is arranged on the spray branch pipe, and the communicating pipe is arranged on the spray branch pipe;
wherein: the waste gas input nozzle is always submerged in the slurry, so that the waste gas entering the shell is subjected to desulfurization and denitrification treatment by the slurry; the waste gas turbulence member is pushed to rotate through natural flow of waste gas, and the rotated waste gas turbulence member converts laminar waste gas into turbulent waste gas.
Preferably, two end faces of the shell are closed, an exhaust through hole is formed in one end face of the shell, and an exhaust pipe is embedded in the exhaust through hole; the side wall of the shell is provided with a slurry discharging through hole, an air conveying through hole and an infusion through hole, and a slurry discharging pipe is embedded in the slurry discharging through hole.
Preferably, the fixing frame comprises a plurality of fixing rods, and the fixing rods are horizontally and fixedly arranged on the inner side wall of the other end of the shell in a crossed manner; the waste gas input branch pipes are in a circular ring pipe shape, the waste gas input branch pipes are provided with a plurality of waste gas input branch pipes, the large radiuses of the waste gas input branch pipes are different, and the waste gas input branch pipes are uniformly distributed on the fixed frame around the same circle center; the waste gas input nozzle is in a reducing pipe shape, and the big end of the waste gas input nozzle is connected to the waste gas input branch pipe in a penetrating way; the waste gas input nozzles are arranged in plurality and are uniformly distributed on the waste gas input branch pipe; and one end pipe of the waste gas input main pipe passes through the gas transmission through hole and then is communicated with the waste gas input branch pipes.
Preferably, the backflow prevention pipe is in an inverted U shape, one end of the backflow prevention pipe is communicated with the other end of the waste gas input main pipe, and the other end of the backflow prevention pipe is communicated with the waste gas conveying pipe.
Preferably, the first partition plate is in a conical plate shape, and the first partition plate is horizontally and fixedly arranged in the shell; the improved drainage pipe is characterized in that a first extension through hole is formed in the top end of the first partition plate, a plurality of first drainage through holes are formed in the outer edge of the first partition plate, the first drainage through holes are evenly distributed around the axis of the first partition plate, drainage pipes are embedded in the first drainage through holes, the lower end of each drainage pipe is connected with a sealing pipe, and each sealing pipe is U-shaped.
Preferably, the exhaust gas turbulence member comprises a bracket, a rotating shaft, a bearing and a blade, the bracket is arranged on the first partition plate, the rotating shaft is arranged on the bracket, the bearing is arranged on the rotating shaft, and the blade is arranged on the bearing; the support comprises a plurality of supporting rods, one ends of the supporting rods are fixedly arranged together, and the other ends of the supporting rods are uniformly distributed on the first extension through holes; the rotating shaft is vertically and fixedly arranged at the top end of the bracket, and the axis of the rotating shaft is superposed with the axis of the first partition plate; the bearing sleeve is arranged on the rotating shaft, the blades are provided with a plurality of pieces, and one ends of the blades are uniformly distributed and fixedly arranged on the bearing.
Preferably, the second partition plate is in a conical plate shape, the second partition plate is horizontally and fixedly arranged in the shell, and the second extended turbulent flow piece is positioned above the first extended turbulent flow piece; the second partition plate is provided with a second liquid drainage through hole and a second extension through hole, and the second liquid drainage through hole and the second extension through hole are both arranged at the edge of the second partition plate; the second liquid drainage through holes are arranged in a plurality and are uniformly distributed around the axis of the second partition plate.
Preferably, the second distance through holes are uniformly distributed around the axis of the second partition plate, the sum of the areas of the second distance through holes is larger than the area of the first distance through holes, and the horizontal distance from the second distance through holes to the axis of the second partition plate is smaller than the horizontal distance from the second liquid discharge through holes to the axis of the second partition plate.
Preferably, the first extension turbulent flow pieces and the second extension turbulent flow pieces are provided with two sets, and the two sets of the first extension turbulent flow pieces and the two sets of the second extension turbulent flow pieces are alternately, uniformly and fixedly arranged in the shell.
Preferably, the spray branch pipes include a first spray branch pipe and a second spray branch pipe, the first spray branch pipe is disposed on the housing, and the second spray branch pipe is disposed on the first partition plate and the second partition plate; the first spraying branch pipes are in a circular tube shape, four first spraying branch pipes are arranged, and the four first spraying branch pipes are correspondingly arranged on the shell on the lower sides of the first partition plate and the second partition plate one by one; the second spray branch pipes are in a circular ring pipe shape, the major radius of the second spray branch pipes is smaller than the inner diameter of the shell, four second spray branch pipes are arranged, and the four second spray branch pipes are arranged on the lower surfaces of the first partition plate and the second partition plate one by one correspondingly; the spraying heads are arranged in plurality and are uniformly distributed on the first spraying branch pipe and the second spraying branch pipe at equal intervals; four communicating pipes are arranged, one end of each communicating pipe is communicated with the first spraying branch pipe one by one correspondingly, and the other end of each communicating pipe is communicated with the second spraying branch pipe one by one correspondingly; one end of the spray main pipe penetrates through the infusion through hole and then is respectively communicated with the four first spray branch pipes.
The utility model discloses at least, include following beneficial effect:
1) the utility model has the advantages of reasonable structural design, compact structure, small occupied area, long flowing stroke of the waste gas in the shell, full reaction of the waste gas and the desulfurization and denitrification liquid, capability of utilizing the slurry to carry out initial desulfurization and denitrification on the waste gas, high desulfurization and denitrification rate of the waste gas, low use amount of the desulfurization and denitrification liquid and low desulfurization and denitrification cost;
2) the utility model discloses extend turbulent flow SOx/NOx control integrated device has set up extend turbulent flow spare, extend turbulent flow spare including first extend turbulent flow spare and second extend turbulent flow spare, first extend turbulent flow spare includes first division board and waste gas turbulent flow spare, first division board with the second division board all is toper platelike, first division board top is provided with first extend through hole, be provided with second extend through hole on the second division board edge; the waste gas flowing in from the first extension through hole flows out from the second extension through hole, and the first extension through hole and the second extension through hole are matched to effectively increase the flowing stroke of the waste gas in the shell, prolong the reaction time of the waste gas and the desulfurization and denitrification liquid and improve the desulfurization and denitrification rate; meanwhile, the waste gas flowing in through the first extension through hole pushes the waste gas turbulence piece to rotate, and the rotating waste gas turbulence piece enables laminar waste gas to be changed into turbulent waste gas, so that the distribution uniformity of the waste gas in the shell is improved, the desulfurization and denitrification rate of the waste gas is further improved, and the use amount of desulfurization and denitrification liquid and the desulfurization and denitrification cost are reduced;
3) the utility model discloses the turbulent SOx/NOx control integrated device of journey prolongs has set up exhaust gas pretreatment spare, exhaust gas pretreatment spare includes waste gas input branch pipe, waste gas input mouth, waste gas input main and prevents the back flow, waste gas input mouth floods in the thick liquid all the time, makes by preventing that back flow, waste gas input main and waste gas input branch pipe get into the waste gas of casing at first carry out SOx/NOx control in advance through the thick liquid and handle, has further improved SOx/NOx control efficiency, has further reduced SOx/NOx control liquid use amount low with SOx/NOx control cost.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view of the extended-range desulfurization and denitrification integrated device of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the extended-range desulfurization and denitrification integrated device of the present invention;
FIG. 3 is a schematic view of a first vertical cross-section of the extended-range desulfurization and denitrification integrated device of the present invention;
FIG. 4 is a partial enlarged view of the A in FIG. 3 of the extended range desulfurization and denitrification integrated device of the present invention;
fig. 5 is a schematic view of a first vertical section of the extended-range desulfurization and denitrification integrated device according to the present invention;
FIG. 6 is a schematic diagram of a second vertical cross-sectional three-dimensional structure of the extended-range integrated desulfurization and denitrification apparatus of the present invention;
FIG. 7 is a schematic sectional view of the extended range desulfurization and denitrification integrated apparatus of the present invention in the direction B-B in FIG. 1;
fig. 8 is a schematic view of a C-C direction cross section in fig. 1 of the extended range desulfurization and denitrification integrated device of the present invention.
Wherein: the method comprises the following steps of 1-a shell, 2-an exhaust pipe, 3-a slurry discharge pipe, 4-a first partition plate, 5-a first extension through hole, 8-a sealing pipe, 9-a rotating shaft, 10-a bearing, 11-a blade, 12-a support rod, 13-a second partition plate, 14-a second liquid discharge through hole, 15-a second extension through hole, 16-a demister, 17-a spray header, 18-a communicating pipe, 19-a spray trunk, 20-a first spray branch pipe, 21-a second spray branch pipe, 22-a fixed rod, 23-a waste gas input nozzle, 24-a waste gas input trunk pipe, 25-an anti-backflow pipe and 26-a waste gas input branch pipe.
Detailed Description
The technical solution of the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
According to the drawings of fig. 1-8, the extended-range desulfurization and denitrification integrated device comprises a shell 1, a waste gas pretreatment piece, an extended-range turbulent flow piece and a desulfurization and denitrification piece, wherein the waste gas pretreatment piece, the extended-range turbulent flow piece and the desulfurization and denitrification piece are all arranged on the shell 1. The casing 1 is tubulose, 1 both ends face of casing is all sealed, be provided with the exhaust through hole on 1 terminal surface of casing, the exhaust through hole embeds is equipped with blast pipe 2, blast pipe 2 is used for following the gas discharge standard after the desulfurization denitration treatment and discharges. The side wall of the shell 1 is provided with a slurry discharging through hole, an air transmission through hole and an infusion through hole, a slurry discharging pipe 3 is embedded in the slurry discharging through hole, and the slurry discharging pipe 3 is used for discharging slurry at the bottom of the shell 1.
The waste gas pretreatment piece includes mount, waste gas input branch pipe 26, waste gas input mouth 23, waste gas input main pipe 24 and backflow prevention pipe 25, the mount with waste gas input main pipe 24 all sets up on the casing, waste gas input branch pipe 26 sets up on the mount, waste gas input mouth 23 sets up on waste gas input branch pipe 26, backflow prevention pipe 25 sets up on the waste gas input main pipe 24.
The fixing frame comprises two fixing rods 22, and the two fixing rods 22 are horizontally and fixedly arranged on the inner side wall of the other end of the shell in a crossed mode. The waste gas input branch pipes 26 are in the shape of a circular ring pipe, the waste gas input branch pipes 26 are four, the large radiuses of the waste gas input branch pipes 26 are different, and the waste gas input branch pipes 26 are evenly distributed on the fixed frame around the same circle center. The waste gas input nozzle 23 is in a reducing pipe shape, and the big end of the waste gas input nozzle 23 is connected to the waste gas input branch pipe 26 in a penetrating way. The exhaust gas inlet nozzle 23 is provided with fifty one, and fifty one exhaust gas inlet nozzles 23 are uniformly distributed on four exhaust gas inlet branch pipes 26. One end of the waste gas input main pipe 24 is communicated with the four waste gas input branch pipes 26 after passing through the gas transmission through holes.
The backflow prevention pipe 25 is in an inverted U shape, the height of the backflow prevention pipe 25 is larger than the height of the horizontal plane of the slurry, one end of the backflow prevention pipe 25 is communicated with the other end of the waste gas input main pipe 24, and the other end of the backflow prevention pipe 25 is communicated with the waste gas conveying pipe. Waste gas gets into through exhaust duct, backflow prevention pipe 25, waste gas input main pipe 24, waste gas input branch pipe 26 and waste gas input mouth 23 in the thick liquid, carry out SOx/NOx control preliminary treatment to waste gas through the thick liquid, can show improvement SOx/NOx control denitration efficiency, reduce SOx/NOx control liquid use amount and reduce SOx/NOx control cost. Because the waste gas input mouth 23 is provided with fifty one to evenly distributed can show and improve waste gas and be in the homogeneity of distribution in the casing, and then show and improve the direct waste gas desulfurization denitration efficiency of SOx/NOx control liquid. The backflow preventing pipe 25 prevents the slurry from flowing into the offgas input duct along the offgas input nozzle 23, the offgas input manifold 26, and the offgas input trunk 24.
The extended-range turbulence member comprises a first extended-range turbulence member and a second extended-range turbulence member, and the first extended-range turbulence member and the second extended-range turbulence member are both arranged on the shell 1. The first extended-range turbulence member comprises a first partition plate 4 and an exhaust gas turbulence member, wherein the first partition plate 4 is arranged on the shell 1, and the exhaust gas turbulence member is arranged on the first partition plate 4.
The first partition plate 4 is in a conical plate shape, the diameter of the large end of the first partition plate 4 is the same as the inner diameter of the shell 1, and the first partition plate 4 is horizontally and fixedly arranged in the shell 1. The top end of the first partition plate 4 is provided with a first extension through hole 5, the outer edge of the first partition plate 4 is provided with eight first drainage through holes, the eight first drainage through holes surround the axis of the first partition plate 4 and are evenly distributed, a drain pipe is embedded in each first drainage through hole, the lower end of each drain pipe is connected with a sealing pipe 8, and each sealing pipe 8 is U-shaped. Specifically, one end of the sealing tube 8 is connected to the drain tube in a penetrating manner. The sealing pipe 8 can discharge the slurry gathered at the upper side of the first separating plate 4 into the slurry at the bottom end of the shell 1, and a section of slurry is always reserved in the sealing pipe 8 and is used as a water sealing layer to prevent the waste gas from flowing from the sealing pipe 8 to the upper side of the first separating plate 4.
The waste gas turbulent flow piece includes support, pivot 9, bearing 10 and paddle 11, the support sets up on the first division board 4, pivot 9 sets up on the support, bearing 10 sets up in the pivot 9, the paddle 11 sets up on the bearing 10. The support comprises support rods 12, four support rods 12 are arranged, one ends of the four support rods 12 are fixedly arranged together, and the other ends of the four support rods 12 are uniformly distributed on the first extension through holes 5. The rotating shaft 9 is vertically and fixedly arranged at the top end of the bracket, and the axis of the rotating shaft 9 is superposed with the axis of the first partition plate 4. The bearing 10 suit is in pivot 9 is last, paddle 11 is provided with four, paddle 11 one end evenly distributed is fixed to be set up on the bearing 10. When the waste gas flows upwards through the first extension through hole 5, the waste gas pushes the paddle 11 to rotate around the rotating shaft 9 through the bearing 10, the rotating paddle 11 converts laminar waste gas into turbulent waste gas, the distribution uniformity of the waste gas in the shell 1 is improved, and then the waste gas is fully contacted with the desulfurization and denitrification liquid, so that the desulfurization and denitrification efficiency is improved, and the use amount of the desulfurization and denitrification liquid is reduced.
The second extension turbulent flow member comprises a second partition plate 13, the second partition plate 13 is in a conical plate shape, the diameter of the large end of the second partition plate 13 is the same as the inner diameter of the shell 1, the second partition plate 13 is horizontally and fixedly arranged in the shell 1, and the second extension turbulent flow member is positioned above the first extension turbulent flow member. The second partition plate 13 is provided with second drainage through holes 14 and second extension through holes 15, the second drainage through holes 14 and the second extension through holes 15 are both arranged at the edge of the second partition plate 13, the number of the second drainage through holes 14 is eight, and the eight second drainage through holes 14 are uniformly distributed around the axis of the second partition plate 13.
Twenty second extension through holes 15 are formed, twenty second extension through holes 15 are uniformly distributed around the axis of the second partition plate 13, the sum of the areas of the twenty second extension through holes 15 is larger than that of the first extension through holes, and the horizontal distance from the second extension through holes 15 to the axis of the second partition plate 13 is smaller than that from the second liquid discharge through holes 14 to the axis of the second partition plate 13. The slurry on the upper side of the second extension partitioning plate can flow downward through the second drainage through-hole 14, and the exhaust gas on the lower side of the second extension partitioning plate can flow upward through the second extension through-hole 15. Because the waste gas at the lower side of the second extension partition plate flows in from the first extension through hole 5 positioned in the middle and flows out from the second extension through hole 15 positioned at the edge, the flow stroke of the waste gas in the shell 1 is effectively increased, the retention time of the waste gas in the shell 1 is effectively prolonged under the condition of stable waste gas flow speed, the reaction time and the reaction sufficiency of the waste gas and the desulfurization and denitrification liquid are improved, the desulfurization and denitrification rate of the waste gas is improved, and the use amount of the desulfurization and denitrification liquid is reduced.
The first extension turbulent flow pieces and the second extension turbulent flow pieces are provided with two sets, the two sets of first extension turbulent flow pieces and the two sets of second extension turbulent flow pieces are alternately and uniformly distributed and fixedly arranged in the shell 1, one first extension turbulent flow piece is located on the lowest side of the shell 1, and one second extension turbulent flow piece is located on the highest side of the shell 1. A demister 16 is provided in the housing 1 above the uppermost one of the second extended range turbulence members.
The desulfurization and denitrification part comprises a spray branch pipe, a spray header 17, a communicating pipe 18 and a spray main pipe 19, wherein the spray branch pipe and the spray main pipe 19 are arranged on the shell 1, the spray header 17 is arranged on the spray branch pipe, and the communicating pipe 18 is arranged on the spray branch pipe. The spray branch pipes comprise a first spray branch pipe 20 and a second spray branch pipe 21, the first spray branch pipe 20 is arranged on the shell 1, and the second spray branch pipe 21 is arranged on the first partition plate 4 and the second partition plate 13.
First spray branch pipe 20 is the ring tubulose, first spray branch pipe 20 major radius with 1 internal diameter of casing is the same, first spray branch pipe 20 is provided with four, four first spray branch pipe 20 corresponds the setting one by one first division board 4 with second division board 13 downside on the casing 1. The second spray branch pipes 21 are in a circular tube shape, the large radius of the second spray branch pipes 21 is smaller than the inner diameter of the shell 1, four second spray branch pipes 21 are arranged, and the second spray branch pipes 21 are correspondingly arranged on the lower surfaces of the first partition plate 4 and the second partition plate 13 one by one. The spray headers 17 are provided with one hundred forty, and one hundred forty spray headers 17 are uniformly distributed on the first spray branch pipe 20 and the second spray branch pipe 21 at equal intervals. The number of the communicating pipes 18 is four, one end of each communicating pipe 18 is correspondingly communicated with the first spray branch pipe 20 one by one, and the other end of each communicating pipe 18 is correspondingly communicated with the second spray branch pipe 21 one by one. One end of the spray main pipe 19 penetrates through the infusion through hole and then is respectively communicated with the four first spray branch pipes 20, and the other end of the spray main pipe 19 is communicated with a spray pump.
The utility model discloses beneficial effect as follows:
the utility model discloses prolong journey turbulent flow SOx/NOx control integrated device structural design is reasonable, compact structure, area are little, waste gas long, the waste gas of flow journey in the casing reacts with SOx/NOx control liquid fully, can utilize the thick liquid to carry out initial SOx/NOx control to waste gas, and waste gas SOx/NOx control rate is high, SOx/NOx control liquid use amount is low and SOx/NOx control is with low costs.
The utility model discloses extend turbulent flow SOx/NOx control integrated device has set up extend turbulent flow spare, extend turbulent flow spare including first extend turbulent flow spare and second extend turbulent flow spare, first extend turbulent flow spare includes first division board and waste gas turbulent flow spare, first division board with the second division board all is toper platelike, first division board top is provided with first extend through hole, be provided with second extend through hole on the second division board edge; the waste gas flowing in from the first extension through hole flows out from the second extension through hole, and the first extension through hole and the second extension through hole are matched to effectively increase the flowing stroke of the waste gas in the shell, prolong the reaction time of the waste gas and the desulfurization and denitrification liquid and improve the desulfurization and denitrification rate; simultaneously through the waste gas that first extension through hole flowed in will promote waste gas turbulence spare is rotatory, and is rotatory waste gas turbulence spare will make laminar waste gas become turbulent waste gas, improves the waste gas and distributes the homogeneity in the casing, and then further improves waste gas desulfurization denitration rate, reduces desulfurization denitration liquid use amount and desulfurization denitration cost.
The utility model discloses the turbulent SOx/NOx control integrated device of journey prolongs has set up the exhaust gas pretreatment spare, the exhaust gas pretreatment spare includes waste gas input branch pipe 26, waste gas input mouth 23, waste gas input main pipe 24 and prevents back flow 25, waste gas input mouth 23 floods in the thick liquid all the time, makes by preventing that back flow 25, waste gas input main pipe 24 and waste gas input branch pipe 26 get into the waste gas of casing at first through the thick liquid SOx/NOx control processing in advance, has further improved SOx/NOx control efficiency, has further reduced SOx/NOx control liquid use amount low with SOx/NOx control cost.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides an increase form SOx/NOx control integrated device which characterized in that includes:
a housing, the housing being tubular;
the waste gas pretreatment device comprises a fixing frame, a waste gas input branch pipe, a waste gas input nozzle, a waste gas input main pipe and an anti-backflow pipe, wherein the fixing frame and the waste gas input main pipe are arranged on the shell;
the extension turbulent flow element is arranged on the shell and comprises a first extension turbulent flow element and a second extension turbulent flow element, and the first extension turbulent flow element and the second extension turbulent flow element are arranged on the shell; the first extension turbulent flow piece comprises a first partition plate and an exhaust turbulent flow piece, the first partition plate is arranged on the shell, the exhaust turbulent flow piece is arranged on the first partition plate, and the second extension turbulent flow piece comprises a second partition plate;
the desulfurization and denitrification part is arranged on the shell and comprises a spray branch pipe, a spray head, a communicating pipe and a spray main pipe, wherein the spray branch pipe and the spray main pipe are arranged on the shell, the spray head is arranged on the spray branch pipe, and the communicating pipe is arranged on the spray branch pipe;
wherein: the waste gas input nozzle is always submerged in the slurry, so that the waste gas entering the shell is subjected to desulfurization and denitrification treatment by the slurry; the waste gas turbulence member is pushed to rotate through natural flow of waste gas, and the rotated waste gas turbulence member converts laminar waste gas into turbulent waste gas.
2. The extended-range desulfurization and denitrification integrated device according to claim 1, wherein both end faces of the housing are closed, an exhaust through hole is formed in one end face of the housing, and an exhaust pipe is embedded in the exhaust through hole; the side wall of the shell is provided with a slurry discharging through hole, an air conveying through hole and an infusion through hole, and a slurry discharging pipe is embedded in the slurry discharging through hole.
3. The extended-range desulfurization and denitrification integrated device according to claim 2, wherein the fixing frame comprises a plurality of fixing rods, and the fixing rods are horizontally and fixedly arranged on the inner side wall of the other end of the shell in a crossed manner; the waste gas input branch pipes are in a circular ring pipe shape, the waste gas input branch pipes are provided with a plurality of waste gas input branch pipes, the large radiuses of the waste gas input branch pipes are different, and the waste gas input branch pipes are uniformly distributed on the fixed frame around the same circle center; the waste gas input nozzle is in a reducing pipe shape, and the big end of the waste gas input nozzle is connected to the waste gas input branch pipe in a penetrating way; the waste gas input nozzles are arranged in plurality and are uniformly distributed on the waste gas input branch pipe; and one end pipe of the waste gas input main pipe passes through the gas transmission through hole and then is communicated with the waste gas input branch pipes.
4. The extended-range desulfurization and denitrification integrated device according to any one of claims 1 to 3, wherein the backflow prevention pipe is in an inverted U shape, one end of the backflow prevention pipe is communicated with the other end of the waste gas input main pipe, and the other end of the backflow prevention pipe is communicated with the waste gas conveying pipe.
5. The extended-range desulfurization and denitrification integrated device according to any one of claims 1 to 3, wherein the first partition plate is in a tapered plate shape, and is horizontally and fixedly arranged in the housing; the improved drainage pipe is characterized in that a first extension through hole is formed in the top end of the first partition plate, a plurality of first drainage through holes are formed in the outer edge of the first partition plate, the first drainage through holes are evenly distributed around the axis of the first partition plate, drainage pipes are embedded in the first drainage through holes, the lower end of each drainage pipe is connected with a sealing pipe, and each sealing pipe is U-shaped.
6. The extended-range desulfurization and denitrification integrated device according to claim 5, wherein the exhaust gas turbulence member comprises a bracket, a rotating shaft, a bearing and a paddle, the bracket is arranged on the first partition plate, the rotating shaft is arranged on the bracket, the bearing is arranged on the rotating shaft, and the paddle is arranged on the bearing; the support comprises a plurality of supporting rods, one ends of the supporting rods are fixedly arranged together, and the other ends of the supporting rods are uniformly distributed on the first extension through holes; the rotating shaft is vertically and fixedly arranged at the top end of the bracket, and the axis of the rotating shaft is superposed with the axis of the first partition plate; the bearing sleeve is arranged on the rotating shaft, the blades are provided with a plurality of pieces, and one ends of the blades are uniformly distributed and fixedly arranged on the bearing.
7. The extended-range desulfurization and denitrification integrated device according to any one of claims 1-3, wherein the second partition plate is in a conical plate shape, the second partition plate is horizontally and fixedly arranged in the housing, and the second extended-range turbulence member is positioned above the first extended-range turbulence member; the second partition plate is provided with a second liquid drainage through hole and a second extension through hole, and the second liquid drainage through hole and the second extension through hole are both arranged at the edge of the second partition plate; the second liquid drainage through holes are arranged in a plurality and are uniformly distributed around the axis of the second partition plate.
8. The extended-range desulfurization and denitrification integrated device according to claim 7, wherein a plurality of second extension through holes are provided, the plurality of second extension through holes are uniformly distributed around the second partition plate axis, the sum of the areas of the plurality of second extension through holes is larger than the area of the first extension through hole, and the horizontal distance from the second extension through holes to the second partition plate axis is smaller than the horizontal distance from the second drainage through holes to the second partition plate axis.
9. The extended-range desulfurization and denitrification integrated device according to any one of claims 1 to 3, wherein the first extended-range turbulence member and the second extended-range turbulence member are provided in two sets, and the two sets of the first extended-range turbulence member and the two sets of the second extended-range turbulence member are alternately, uniformly and fixedly arranged in the housing.
10. The extended-range desulfurization and denitrification integrated device according to claim 2 or 3, wherein the spray branch pipes comprise a first spray branch pipe and a second spray branch pipe, the first spray branch pipe is disposed on the housing, and the second spray branch pipe is disposed on the first partition plate and the second partition plate; the first spraying branch pipes are in a circular tube shape, four first spraying branch pipes are arranged, and the four first spraying branch pipes are correspondingly arranged on the shell on the lower sides of the first partition plate and the second partition plate one by one; the second spray branch pipes are in a circular ring pipe shape, the major radius of the second spray branch pipes is smaller than the inner diameter of the shell, four second spray branch pipes are arranged, and the four second spray branch pipes are arranged on the lower surfaces of the first partition plate and the second partition plate one by one correspondingly; the spraying heads are arranged in plurality and are uniformly distributed on the first spraying branch pipe and the second spraying branch pipe at equal intervals; four communicating pipes are arranged, one end of each communicating pipe is communicated with the first spraying branch pipe one by one correspondingly, and the other end of each communicating pipe is communicated with the second spraying branch pipe one by one correspondingly; one end of the spray main pipe penetrates through the infusion through hole and then is respectively communicated with the four first spray branch pipes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658263.9U CN213853845U (en) | 2020-08-11 | 2020-08-11 | Range-extending type desulfurization and denitrification integrated device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658263.9U CN213853845U (en) | 2020-08-11 | 2020-08-11 | Range-extending type desulfurization and denitrification integrated device |
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| Publication Number | Publication Date |
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| CN213853845U true CN213853845U (en) | 2021-08-03 |
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| CN202021658263.9U Active CN213853845U (en) | 2020-08-11 | 2020-08-11 | Range-extending type desulfurization and denitrification integrated device |
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| Country | Link |
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| CN (1) | CN213853845U (en) |
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Address after: 215000 No. 58, Jinrui Road, Taiping Street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Shijing Technology Co.,Ltd. Address before: 215000 4th floor, 82 Jincheng Road, Taiping Street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU SHIJING ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |