CN110975579A - Exhaust treatment device for desulfurization and denitrification of cement plant - Google Patents
Exhaust treatment device for desulfurization and denitrification of cement plant Download PDFInfo
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- CN110975579A CN110975579A CN201911393913.3A CN201911393913A CN110975579A CN 110975579 A CN110975579 A CN 110975579A CN 201911393913 A CN201911393913 A CN 201911393913A CN 110975579 A CN110975579 A CN 110975579A
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 64
- 230000023556 desulfurization Effects 0.000 title claims abstract description 63
- 239000004568 cement Substances 0.000 title claims abstract description 27
- 238000005507 spraying Methods 0.000 claims abstract description 138
- 239000007789 gas Substances 0.000 claims abstract description 97
- 239000002912 waste gas Substances 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 239000007921 spray Substances 0.000 claims description 116
- 239000000725 suspension Substances 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0233—Other waste gases from cement factories
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a waste gas treatment device for desulfurization and denitrification in a cement plant, which comprises: the barrel is cylindrical, and two ends of the barrel are sealed; the spraying part comprises a spraying part and a spraying part, the spraying part is arranged on the cylinder, and the spraying part is arranged on the spraying part; the turbulent flow part comprises a rotating rod, turbulent flow blades, a demister and a rotating power piece, the rotating rod and the rotating power piece are both arranged on the cylinder, and the turbulent flow blades and the demister are both arranged on the rotating rod; preliminary desulfurization portion, preliminary desulfurization portion include gas transmission mount, gas-supply pipe, gas transmission mouth and waste gas input pipe, and the gas transmission mount sets up on the barrel, and the gas-supply pipe sets up on the gas transmission mount, and the gas transmission mouth sets up on the gas-supply pipe, and the waste gas input pipe is connected with the gas-supply pipe. The invention has reasonable structural design and can carry out desulfurization treatment on waste gas in different forms for many times; and change the laminar flow state into turbulent flow state with waste gas, make waste gas evenly distributed in this barrel, can effectively improve desulfurization efficiency.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for desulfurization and denitrification in a cement plant.
Background
The waste gas treatment refers to pretreatment of waste gas generated in industrial places and factory workshops before external emission so as to reach the national standard of external emission of waste gas. The general waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection and purification and the like.
SO2、NOXIs a pollutant with great influence in atmospheric pollution, and has great harmfulness to human bodies, environment and ecological systems. With the increasing strictness of environmental requirements, SO2、NOXEmissions are of increasing concern, particularly during cement firing, where SO is produced2、NOXAnd waiting for smoke emission.
The existing desulfurization and denitrification equipment is not enough in the aspects of unreasonable design of waste gas desulfurization, not compact structure, low desulfurization efficiency and the like, and only can perform one-time desulfurization treatment on waste gas entering the equipment. And because the waste gas flows in the equipment in a laminar flow state after entering the cylinder, the waste gas can not be uniformly distributed in the cylinder, and the waste gas desulfurization efficiency is further reduced.
Therefore, need design a structural design rationally, compact structure can carry out many different forms desulfurization to waste gas and handle to can change waste gas into turbulent state by laminar flow state, make waste gas evenly distributed in this barrel, with the effective exhaust treatment device for cement plant SOx/NOx control that improves desulfurization efficiency.
Disclosure of Invention
In order to overcome the defects, the invention provides a waste gas treatment device for desulfurization and denitrification in a cement plant, which specifically adopts the following technical scheme:
the utility model provides a cement plant is exhaust treatment device for SOx/NOx control, includes:
the barrel, the barrel is the tube-shape, the barrel both ends are all sealed, the barrel is vertical to be set up subaerial. The spraying part, the spraying part sets up on the barrel, the spraying part includes spraying part and spraying part, spraying part sets up on the barrel, spraying part sets up spraying part is last, spraying part is including reposition of redundant personnel piece and spraying piece, the reposition of redundant personnel piece sets up in the barrel, spraying piece sets up on the reposition of redundant personnel piece.
Turbulent flow portion, turbulent flow portion sets up on the barrel, turbulent flow portion includes rotary rod, turbulent flow blade, defroster and rotary power spare, the rotary rod with rotary power spare all sets up on the barrel, turbulent flow blade with the defroster all sets up on the rotary rod.
Preliminary desulfurization portion, preliminary desulfurization portion sets up on the barrel, preliminary desulfurization portion includes gas transmission mount, gas-supply pipe, gas transmission mouth and waste gas input pipe, the gas transmission mount sets up on the barrel, the gas-supply pipe sets up on the gas transmission mount, the gas transmission mouth sets up on the gas-supply pipe, the waste gas input pipe with the gas-supply pipe is connected.
Preferably, a rotary through hole is formed in the center of the top end face of the cylinder, a gas discharge pipe is also arranged on the top end face of the cylinder, and the gas discharge pipe is communicated with the cylinder; the spraying device is characterized in that a spraying through hole and a spraying through hole are formed in the side wall of the cylinder body, a slurry discharging through hole and a waste gas input through hole are formed in the bottom end of the side wall of the cylinder body, and a slurry discharging pipe is embedded in the slurry discharging through hole.
Preferably, the reposition of redundant personnel piece includes upside fixed plate, downside fixed plate and shunt tubes, the upside fixed plate with the downside fixed plate all sets up in the barrel, the shunt tubes sets up the downside fixed plate with on the upside fixed plate, the downside fixed plate with the upside fixed plate structure is the same.
The upside fixed plate is circular platelike, upside fixed plate centre of a circle department is provided with the turbulent flow through hole, turbulent flow through hole diameter is not less than rotatory through hole diameter, evenly be provided with four waste gas through holes around the centre of a circle on the upside fixed plate, the upside fixed plate is fixed to be set up in the barrel, the downside fixed plate is fixed to be set up upside fixed plate below on the barrel inside wall.
Preferably, the shunt tube is tubular, and two ends of the shunt tube are respectively arranged on the upper fixing plate and the lower fixing plate; the shunt tubes comprise a first shunt tube, a second shunt tube, a third shunt tube and a fourth shunt tube, wherein the first shunt tube, the second shunt tube, the third shunt tube and the fourth shunt tube have the same structure.
The first shunt pipe is in a spiral spring shape, and the first shunt pipe is not less than one circle; the top end surfaces of the first shunt pipe, the second shunt pipe, the third shunt pipe and the fourth shunt pipe are in through connection with the four waste gas through holes in the upper fixing plate one by one correspondingly; the bottom end faces of the first shunt pipe, the second shunt pipe, the third shunt pipe and the fourth shunt pipe are in through connection with the four waste gas through holes in the lower side fixing plate one by one correspondingly.
Preferably, the spraying spare includes spraying branch pipe, atomizer, spraying house steward and booster pump, the spraying branch pipe sets up on the shunt tubes, atomizer sets up on the spraying branch pipe, spraying house steward sets up on the spraying branch pipe, the booster pump with spraying house steward is connected.
The spraying branch pipes are in a circular tube shape, a plurality of spraying branch pipes are arranged, and the spraying branch pipes are sleeved on the shunt pipes at equal intervals; the spraying branch pipe with the shunt tubes junction is provided with the fixed pipe of shower nozzle, the fixed pipe of shower nozzle is the tubulose, the fixed pipe one end of shower nozzle with the spraying branch pipe link up, the fixed pipe other end of shower nozzle with the shunt tubes link up, be provided with the screw thread on the fixed pipe other end inside wall of shower nozzle, atomizer sets up on the fixed pipe other end of shower nozzle, atomizer with screw-thread fit.
The spray header pipe is the tubulose, spray header pipe one end respectively with a plurality of spray branch pipe through connection, the spray header pipe other end passes the spray through hole with the liquid outlet intercommunication of booster pump, the income liquid mouth and the desulfurization liquid pipe intercommunication of booster pump.
Preferably, the spraying part comprises a spraying branch pipe, a spraying head and a spraying main pipe, the spraying branch pipe is arranged on the lower side fixing plate, the spraying head is arranged on the spraying branch pipe, and the spraying main pipe is connected with the spraying branch pipe.
The spraying branch pipes are in a circular pipe shape and comprise a first spraying branch pipe, a second spraying branch pipe, a third spraying branch pipe and a fourth spraying branch pipe, and the first spraying branch pipe, the second spraying branch pipe, the third spraying branch pipe and the fourth spraying branch pipe are all arranged on the lower side fixing plate; the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe are different in radius, and the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe are all concentrically and fixedly arranged on the lower surface of the lower side fixing plate.
The spray headers are uniformly and fixedly arranged on the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe in a penetrating manner; the spraying main pipe is tubular, one end of the spraying main pipe is respectively communicated with the first spraying branch pipe, the second spraying branch pipe, the third spraying branch pipe and the fourth spraying branch pipe, and the other end of the spraying main pipe penetrates through the spraying through hole.
Preferably, the rotating rod is rod-shaped, the length of the rotating rod is smaller than the height of the cylinder, a suspension plate is fixedly sleeved at one end of the rotating rod, the suspension plate is plate-shaped, a suspension through hole is formed in the center of the suspension plate, and the suspension plate is fixedly sleeved at one end of the rotating rod through the suspension through hole; the rotary rod on the lower side of the suspension plate is sleeved with a thrust ball bearing, the other end of the rotary rod successively penetrates through the rotary through hole and the turbulent flow through hole and then is suspended on the top end face of the cylinder body through the suspension plate and the thrust ball bearing, and the rotary rod is connected with the rotary through hole in a rotary sealing mode.
Preferably, the turbulence blades are rectangular plate-shaped, the length of each turbulence blade is smaller than the radius of the cylinder, and strip through holes are formed in the surfaces of the turbulence blades along the longitudinal direction; the turbulent flow blades are uniformly and fixedly arranged on the side wall of the other end of the rotating rod.
The demister is in a round cake shape, and the radius of the demister is not more than the inner diameter of the cylinder; the defogger centre of a circle department is provided with the defogging through hole, the defroster passes through the fixed suit of defogging through hole is in spray spare upside the rotary rod is last.
Rotatory power spare includes turbine, worm and motor, the turbine sets up on the rotary rod, the worm sets up on the motor, the motor sets up on the barrel top terminal surface, the worm with the turbine meshing.
Preferably, the gas transmission fixing frame is in a cross shape, the gas transmission fixing frame is horizontally and fixedly arranged at the lower end of the cylinder body, the distance between the gas transmission fixing frame and the bottom end face of the cylinder body is not less than 200mm, and meanwhile, the gas transmission fixing frame can meet the condition that the gas transmission pipe is always positioned below a slurry plane; the gas pipe is generally in a plane spiral shape, two end faces of the gas pipe are sealed, and the gas pipe is horizontally and fixedly arranged on the gas transmission fixing frame; the gas transmission nozzle is in a reducing pipe shape, a plurality of gas transmission nozzles are arranged, the gas transmission nozzles are uniformly and fixedly arranged on the gas transmission pipe and communicated with the gas transmission pipe, and the distance between the gas transmission nozzle and the bottom end surface of the barrel body is not less than 150 mm.
Preferably, the waste gas input pipe is tubular, and one end of the waste gas input pipe penetrates through the waste gas input through hole to be communicated with the gas conveying pipe; the other end of the waste gas input pipe is in a U-shaped tubular shape, and the other end of the waste gas input pipe is connected with a booster fan
The invention at least comprises the following beneficial effects:
1) the waste gas treatment device for desulfurization and denitrification in the cement plant has reasonable structural design and compact structure, and can perform desulfurization treatment on waste gas in different forms for many times; the waste gas is converted from a laminar flow state to a turbulent flow state, so that the waste gas can be uniformly distributed in the cylinder body, and the desulfurization efficiency can be effectively improved;
2) the waste gas treatment device for desulfurization and denitrification of the cement plant is provided with the preliminary desulfurization part and the spraying part, the preliminary desulfurization part can carry out preliminary desulfurization on waste gas by using slurry, and the spraying part can successively carry out spraying desulfurization and spraying desulfurization on the waste gas, so that the structural design reasonability and compactness of the waste gas treatment device for desulfurization and denitrification of the cement plant are effectively improved, and the waste gas desulfurization efficiency is effectively improved;
3) the waste gas treatment device for desulfurization and denitrification in the cement plant is provided with the turbulent flow part, and the turbulent flow part can convert the waste gas entering the cylinder from a laminar flow state to a turbulent flow state, so that the waste gas is uniformly distributed in the cylinder, and the waste gas desulfurization efficiency is improved.
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 perspective view of an apparatus for treating flue gas for desulfurization and denitrification in a cement plant according to the present invention;
FIG. 2 is a sectional perspective view of the flue gas treatment apparatus for desulfurization and denitrification in a cement plant according to the present invention;
FIG. 3 is a perspective view of the desulfurization and denitrification exhaust gas treatment device for a cement plant of the present invention with the cylinder removed;
FIG. 4 is a bottom perspective view of the flue gas treatment apparatus for desulfurization and denitrification in a cement plant of the present invention with the cylinder removed.
Wherein: 1-cylinder, 2-upper side fixing plate, 3-lower side fixing plate, 4-first shunt pipe, 5-spray branch pipe, 7-spray header pipe, 8-booster pump, 9-desulfurization liquid pipe, 10-spray branch pipe, 11-spray header, 12-spray header pipe, 13-rotating rod, 14-turbulence blade, 15-demister, 16-turbine, 17-worm, 18-motor, 19-gas transmission fixing frame, 20-gas transmission pipe, 21-gas transmission nozzle, 22-waste gas input pipe, 23-booster fan, 24-gas discharge pipe, 25-turbulence through hole, 26-suspension plate, 27-waste gas through hole, 28-slurry discharge pipe and 29-thrust ball bearing.
Detailed Description
Technical solutions of the present invention will be described in detail below 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 fig. 1-4, a waste gas treatment device for desulfurization and denitrification in cement plant, includes barrel 1, spraying portion, turbulent flow portion and preliminary desulfurization portion, spraying portion turbulent flow portion with preliminary desulfurization portion all sets up on the barrel 1.
The barrel 1 is in a cylindrical shape, two ends of the barrel 1 are sealed, and the barrel 1 is vertically arranged on the ground. The center of the top end face of the cylinder 1 is provided with a rotary through hole, the top end face of the cylinder 1 is also provided with a gas discharge pipe 24, and the gas discharge pipe 24 is communicated with the cylinder 1. The spraying through hole and the spraying through hole are formed in the side wall of the cylinder body 1, and the slurry discharging through hole and the waste gas input through hole are formed in the bottom end of the side wall of the cylinder body 1. The position of the slurry discharging through hole is higher than that of the primary desulfurization part, a slurry discharging pipe 28 is embedded in the slurry discharging through hole, and the slurry discharging pipe 28 is used for discharging slurry at the bottom of the barrel body 1.
The spraying part comprises a spraying part and a spraying part, the spraying part is arranged on the barrel body 1, the spraying part is arranged on the spraying part, the spraying part comprises a shunt part and a spraying part, the shunt part is arranged in the barrel body 1, and the spraying part is arranged on the shunt part.
The reposition of redundant personnel piece includes fixed plate and shunt tubes, the fixed plate sets up in the barrel 1, the shunt tubes sets up on the fixed plate. The fixed plate includes upside fixed plate 2 and downside fixed plate 3, upside fixed plate 2 with downside fixed plate 3 all sets up in the barrel 1, downside fixed plate 3 with 2 structures of upside fixed plate are the same, upside fixed plate 2 with downside fixed plate 3 is used for fixing the shunt tubes.
The upper fixing plate 2 is in a circular plate shape, a turbulent flow through hole 25 is formed in the circle center of the upper fixing plate 2, the diameter of the turbulent flow through hole 25 is not smaller than that of the rotary through hole, four waste gas through holes 27 are uniformly formed in the upper fixing plate 2 around the circle center, and the diameter of the upper fixing plate 2 is the same as the inner diameter of the cylinder body 1. The upper fixing plate 2 is horizontally and fixedly arranged in the barrel body 1, and the lower fixing plate 3 is horizontally and fixedly arranged below the upper fixing plate 2 on the inner side wall of the barrel body 1.
The shunt tubes are tubular, and two ends of the shunt tubes are respectively arranged on the upper side fixing plate 2 and the lower side fixing plate 3. The shunt tubes comprise a first shunt tube 4, a second shunt tube, a third shunt tube and a fourth shunt tube, wherein the first shunt tube 4, the second shunt tube, the third shunt tube and the fourth shunt tube have the same structure.
The first shunt pipe 4 is in the shape of a spiral spring, the outer diameter of the first shunt pipe 4 is smaller than the distance between the circle centers of the two adjacent waste gas through holes 27, and the first shunt pipe 4 is not less than one circle. The top end surfaces of the first shunt pipe 4, the second shunt pipe, the third shunt pipe and the fourth shunt pipe are correspondingly and sequentially communicated with the four exhaust through holes 27 in the upper fixing plate 2. The bottom end surfaces of the first shunt pipe 4, the second shunt pipe, the third shunt pipe and the fourth shunt pipe are correspondingly and sequentially connected with the four waste gas through holes 27 in the lower fixing plate 3 in a penetrating manner. The waste gas to be spray-desulfurized enters the shunt pipe from the waste gas through hole 27 on the lower fixing plate 3 to be subjected to shunt spray desulfurization treatment, so that the contact between the waste gas and the atomized desulfurization solution is sufficient and the contact time is prolonged, and the desulfurization efficiency is improved.
The spraying spare includes spraying branch pipe 5, atomizer, spraying house steward 7 and booster pump 8, spraying branch pipe 5 sets up on the shunt tubes, atomizer sets up spraying branch pipe 5 is last, spraying house steward 7 sets up spraying branch pipe 5 is last, booster pump 8 with spraying house steward 7 is connected.
The spraying branch pipes 5 are in a circular-ring-shaped tubular shape, the number of the spraying branch pipes 5 is three, and the spraying branch pipes 5 are sleeved outside the shunt pipes at equal intervals. Spray branch pipe 5 with the shunt tubes junction is provided with the fixed pipe of shower nozzle, the fixed pipe of shower nozzle is the tubulose, the fixed pipe one end of shower nozzle with spray branch pipe 5 link up, the fixed pipe other end of shower nozzle with the shunt tubes link up, be provided with the screw thread on the fixed pipe other end inside wall of shower nozzle, the screw thread with the atomizer cooperation. The atomizing nozzle is arranged at the other end of the nozzle fixing pipe.
Specifically, spray branch pipe 5 equidistant suit simultaneously first shunt 4 the second shunt third shunt with on the fourth shunt, and spray branch pipe 5 with first shunt 4 the second shunt third shunt with the fourth shunt junction all is provided with the fixed pipe of shower nozzle. The fixed pipe of shower nozzle is the tubulose, the fixed pipe one end of shower nozzle with spraying branch pipe 5 link up, the fixed pipe other end of shower nozzle with the shunt tubes link up, be provided with the screw thread on the fixed pipe other end inside wall of shower nozzle, each all inlay on the fixed pipe other end of shower nozzle and be equipped with one atomizer, the screw thread with the atomizer cooperation. The atomizing spray head can spray atomized desulfurization liquid into the separation pipe.
The spraying header pipe 7 is tubular, one end of the spraying header pipe 7 is closed, and the other end of the spraying header pipe 7 is open. Spray house steward 7 one end respectively with three 5 through connection of spray branch pipe, the spray house steward 7 other end passes the spraying through hole with the liquid outlet intercommunication of booster pump 8, booster pump 8's income liquid mouth and desulfurization liquid pipe 9 intercommunication, desulfurization liquid pipe 9 can to the spraying part provides the doctor solution. The booster pump 8 can be used for increasing hydraulic pressure for the spray part so as to meet the pressure required by desulfurization liquid atomization.
The spraying part comprises a spraying branch pipe 10, a spraying head 11 and a spraying main pipe 12, the spraying branch pipe 10 is arranged on the lower side fixing plate 3, the spraying head 11 is arranged on the spraying branch pipe 10, and the spraying main pipe 12 is connected with the spraying branch pipe 10. The spray branch pipes 10 are in a circular pipe shape, the spray branch pipes 10 comprise a first spray branch pipe, a second spray branch pipe, a third spray branch pipe and a fourth spray branch pipe, and the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe are all arranged on the lower side fixing plate 3. First spray branch pipe radius is less than second spray branch pipe radius, second spray branch pipe radius is less than third spray branch pipe radius, third spray branch pipe radius is less than fourth spray branch pipe radius, first spray branch pipe second spray branch pipe third spray branch pipe with fourth spray branch pipe all concentric fixed setting is in 3 lower surfaces of downside fixed plate, simultaneously first spray branch pipe second spray branch pipe third spray branch pipe with fourth spray branch pipe does not influence waste gas and gets into in the reposition of redundant personnel by waste gas through hole 27.
The spray header 11 is provided with and is no less than sixty, spray header 11 is even fixed to link up the setting and is in first spray branch pipe, second spray branch pipe, third spray branch pipe and on the fourth spray branch pipe. The main spray pipe 12 is tubular, one end of the main spray pipe 12 is respectively connected with the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe in a through manner, and the other end of the main spray pipe 12 penetrates through the spray through hole. The spray header 12 is used to provide spray fluid to the spray elements.
Turbulent flow portion includes rotary rod 13, turbulent flow blade 14, defroster 15 and rotatory power spare, rotary rod 13 with rotatory power spare all sets up on barrel 1, turbulent flow blade 14 with defroster 15 all sets up on rotary rod 13. The rotary rod 13 is rod-shaped, the length of the rotary rod 13 is smaller than the height of the cylinder body 1, and the diameter of the rotary rod 13 is the same as that of the rotary through hole.
A suspension plate 26 is fixedly sleeved at one end of the rotating rod 13, the suspension plate 26 is plate-shaped, a suspension through hole is formed in the center of the suspension plate 26, and the suspension plate 26 is fixedly sleeved at one end of the rotating rod 13 through the suspension through hole. The rotating rod 13 at the lower side of the suspension plate 26 is sleeved with a thrust ball bearing 29, and the upper surface of the thrust ball bearing 29 is attached to the lower surface of the suspension plate 26. The other end of the rotating rod 13 passes through the rotating through hole and the turbulent flow through hole 25 in sequence and then is suspended on the top end surface of the cylinder 1 through the suspension plate 26 and the thrust ball bearing 29. And the rotation rod 13 is rotatably and hermetically connected to the rotation through-hole.
Specifically, at least two rotary sealing rings are arranged between the rotary rod 13 and the inner side wall of the rotary through hole, so that the rotary rod 13 is connected with the rotary through hole in a rotary and sealed mode, and gas in the cylinder body 1 is prevented from leaking.
The demister 15 is in a round cake shape, and the radius of the demister 15 is not larger than the inner diameter of the cylinder 1. A defogging through hole is formed in the circle center of the defogger 15, and the defogger 15 is fixedly sleeved on the rotating rod 13 on the upper side of the atomizing element through the defogging through hole. Specifically, the demister 15 is a glass fiber reinforced plastic demister or a wire mesh demister.
The rotary power component comprises a turbine 16, a worm 17 and a motor 18, wherein the turbine 16 is arranged on the rotary rod 13, the worm 17 is arranged on the motor 18, the motor 18 is arranged on the top end surface of the barrel 1, and the worm 17 is meshed with the turbine 16.
The preliminary desulfurization portion includes gas transmission mount 19, gas pipe 20, gas transmission mouth 21 and waste gas input tube 22, gas transmission mount 19 sets up on the barrel 1, gas pipe 20 sets up on the gas transmission mount 19, gas transmission mouth 21 sets up on the gas pipe 20, waste gas input tube 22 with the gas pipe 20 is connected.
The gas transmission fixing frame 19 is in a cross shape, the gas transmission fixing frame 19 is horizontally and fixedly arranged at the lower end of the cylinder body 1, the distance between the gas transmission fixing frame 19 and the bottom end face of the cylinder body 1 is not less than 200mm, and meanwhile, the gas transmission fixing frame 19 can meet the condition that the gas transmission pipe 20 is always positioned below a slurry plane. The air delivery pipe 20 is generally in a plane spiral shape, the two end faces of the air delivery pipe 20 are sealed, the number of turns of the air delivery pipe 20 is not less than three, and the air delivery pipe 20 is horizontally and fixedly arranged on the air delivery fixing frame 19. The gas transmission nozzle 21 is in a reducing pipe shape, the number of the gas transmission nozzles 21 is not less than ten, the gas transmission nozzles 21 are uniformly fixed on the gas transmission pipe 20, and the gas transmission nozzles 21 are communicated with the gas transmission pipe 20. The distance between the air delivery nozzle 21 and the bottom end face of the barrel body 1 is not less than 150 mm.
The waste gas input pipe 22 is tubular, and one end of the waste gas input pipe 22 is closed while the other end is open. One end of the waste gas input pipe 22 penetrates through the waste gas input through hole to be communicated with the gas conveying pipe 20. The other end of the waste gas input pipe 22 is in a U-shaped tubular shape, the other end of the waste gas input pipe 22 is connected with the booster fan 23, the booster fan 23 can send the waste gas after being pressurized into the gas pipe 20 through the waste gas input pipe 22, the gas pipe 20 sprays the waste gas into the slurry through the gas nozzle 21, and the waste gas emits after the slurry is primarily desulfurized.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a cement plant is exhaust treatment device for SOx/NOx control which characterized in that includes:
the device comprises a barrel body (1), wherein the barrel body (1) is cylindrical, two ends of the barrel body (1) are sealed, and the barrel body (1) is vertically arranged on the ground;
the spraying part is arranged on the cylinder body (1), and comprises a spraying part and a spraying part, the spraying part is arranged on the cylinder body (1), the spraying part is arranged on the spraying part, the spraying part comprises a flow dividing piece and a spraying piece, the flow dividing piece is arranged in the cylinder body (1), and the spraying piece is arranged on the flow dividing piece;
the turbulent flow part is arranged on the barrel (1) and comprises a rotating rod (13), turbulent flow blades (14), a demister (15) and a rotating power piece, the rotating rod (13) and the rotating power piece are both arranged on the barrel (1), and the turbulent flow blades (14) and the demister (15) are both arranged on the rotating rod (13);
preliminary desulfurization portion, preliminary desulfurization portion sets up on barrel (1), preliminary desulfurization portion includes gas transmission mount (19), gas transmission pipe (20), gas transmission mouth (21) and waste gas input pipe (22), gas transmission mount (19) set up on barrel (1), gas transmission pipe (20) set up on gas transmission mount (19), gas transmission mouth (21) set up on gas transmission pipe (20), waste gas input pipe (22) with gas transmission pipe (20) are connected.
2. The exhaust gas treatment device for desulfurization and denitrification in cement plants according to claim 1, wherein a rotary through hole is formed in the center of the top end surface of the cylinder (1), a gas discharge pipe (24) is also formed in the top end surface of the cylinder (1), and the gas discharge pipe (24) is communicated with the cylinder (1); the spraying and spraying device is characterized in that a spraying through hole and a spraying through hole are formed in the side wall of the cylinder body (1), a slurry discharging through hole and a waste gas input through hole are formed in the bottom end of the side wall of the cylinder body (1), and a slurry discharging pipe (28) is embedded in the slurry discharging through hole.
3. The exhaust gas treatment device for desulfurization and denitrification in cement plant according to claim 2, wherein the flow divider comprises an upper fixing plate (2), a lower fixing plate (3) and a flow dividing pipe, the upper fixing plate (2) and the lower fixing plate (3) are both arranged in the cylinder (1), the flow dividing pipe is arranged on the lower fixing plate (3) and the upper fixing plate (2), and the lower fixing plate (3) and the upper fixing plate (2) have the same structure;
upside fixed plate (2) are circular platelike, upside fixed plate (2) centre of a circle department is provided with turbulent flow through hole (25), turbulent flow through hole (25) diameter is not less than rotatory through hole diameter, evenly be provided with four waste gas through holes (27) around the centre of a circle on upside fixed plate (2), upside fixed plate (2) are fixed to be set up in barrel (1), downside fixed plate (3) are fixed to be set up upside fixed plate (2) below on barrel (1) inside wall.
4. The exhaust gas treatment device for desulfurization and denitrification in cement plant according to claim 3, wherein the flow dividing pipe is tubular, and both ends of the flow dividing pipe are respectively arranged on the upper fixing plate (2) and the lower fixing plate (3); the shunt tubes comprise a first shunt tube (4), a second shunt tube, a third shunt tube and a fourth shunt tube, and the first shunt tube (4), the second shunt tube, the third shunt tube and the fourth shunt tube have the same structure;
the first shunt pipe (4) is in a spiral spring shape, and the first shunt pipe (4) is not less than one circle; the top end surfaces of the first shunt pipe (4), the second shunt pipe, the third shunt pipe and the fourth shunt pipe are in corresponding through connection with the four waste gas through holes (27) on the upper fixing plate (2) one by one; the bottom end faces of the first shunt pipe (4), the second shunt pipe, the third shunt pipe and the fourth shunt pipe are in corresponding through connection with the four waste gas through holes (27) in the lower side fixing plate (3) one by one.
5. The exhaust gas treatment device for desulfurization and denitrification in cement plants according to claim 4, wherein the spraying member comprises a spraying branch pipe (5), a spraying nozzle, a spraying header pipe (7) and a booster pump (8), the spraying branch pipe (5) is arranged on the dividing pipe, the spraying nozzle is arranged on the spraying branch pipe (5), the spraying header pipe (7) is arranged on the spraying branch pipe (5), and the booster pump (8) is connected with the spraying header pipe (7);
the spraying branch pipes (5) are in a circular-ring-shaped tubular shape, a plurality of spraying branch pipes (5) are arranged, and the spraying branch pipes (5) are sleeved on the shunt pipes at equal intervals; a nozzle fixing pipe is arranged at the joint of the spray branch pipe (5) and the flow dividing pipe, the nozzle fixing pipe is tubular, one end of the nozzle fixing pipe is communicated with the spray branch pipe (5), the other end of the nozzle fixing pipe is communicated with the flow dividing pipe, threads are arranged on the inner side wall of the other end of the nozzle fixing pipe, the atomizing nozzle is arranged at the other end of the nozzle fixing pipe, and the atomizing nozzle is matched with the threads;
the spray header pipe (7) is the tubulose, spray header pipe (7) one end respectively with a plurality of spray branch pipe (5) through connection, the spray header pipe (7) other end passes the spraying through hole with the liquid outlet intercommunication of booster pump (8), the income liquid mouth and the desulfurization liquid pipe (9) intercommunication of booster pump (8).
6. The flue gas treatment apparatus for desulfurization and denitrification in cement plants according to any one of claims 3 to 5, wherein the spray part comprises a spray branch pipe (10), a spray header (11) and a spray header (12), the spray branch pipe (10) is disposed on the lower fixing plate (3), the spray header (11) is disposed on the spray branch pipe (10), and the spray header (12) is connected to the spray branch pipe (10);
the spray branch pipes (10) are in a circular ring shape, the spray branch pipes (10) comprise a first spray branch pipe, a second spray branch pipe, a third spray branch pipe and a fourth spray branch pipe, and the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe are all arranged on the lower side fixing plate (3); the radiuses of the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe are different, and the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe are concentrically and fixedly arranged on the lower surface of the lower side fixing plate (3);
a plurality of spray headers (11) are arranged, and the spray headers (11) are uniformly and fixedly arranged on the first spray branch pipe, the second spray branch pipe, the third spray branch pipe and the fourth spray branch pipe in a penetrating manner; the spraying main pipe (12) is tubular, one end of the spraying main pipe (12) is respectively in through connection with the first spraying branch pipe, the second spraying branch pipe, the third spraying branch pipe and the fourth spraying branch pipe, and the other end of the spraying main pipe (12) penetrates through the spraying through hole.
7. The exhaust gas treatment device for desulfurization and denitrification in cement plants according to any one of claims 3 to 5, wherein the rotating rod (13) is rod-shaped, the length of the rotating rod (13) is less than the height of the cylinder (1), a suspension plate (26) is fixedly sleeved at one end of the rotating rod (13), the suspension plate (26) is plate-shaped, a suspension through hole is formed in the center of the suspension plate (26), and the suspension plate (26) is fixedly sleeved at one end of the rotating rod (13) through the suspension through hole; hang hanger plate (26) downside the cover is equipped with thrust ball bearing (29) on rotary rod (13), rotary rod (13) other end passes successively rotatory through hole with behind turbulent flow through hole (25) through hang hanger plate (26) with thrust ball bearing (29) hang on barrel (1) top end face, and rotary rod (13) with rotatory through hole rotary seal is connected.
8. The exhaust gas treatment device for desulfurization and denitrification in cement plants according to any one of claims 1 to 5, wherein the turbulence blades (14) are rectangular plate-shaped, the length of the turbulence blades (14) is smaller than the radius of the cylinder (1), and the surfaces of the turbulence blades (14) are provided with strip-shaped through holes along the longitudinal direction; the turbulence blades (14) are uniformly and fixedly arranged on the side wall of the other end of the rotating rod (13);
the demister (15) is in a round cake shape, and the radius of the demister (15) is not more than the inner diameter of the cylinder (1); a defogging through hole is formed in the circle center of the defogger (15), and the defogger (15) is fixedly sleeved on the rotating rod (13) on the upper side of the atomizing piece through the defogging through hole;
rotatory power component includes turbine (16), worm (17) and motor (18), turbine (16) set up on rotary rod (13), worm (17) set up on motor (18), motor (18) set up on barrel (1) top terminal surface, worm (17) with turbine (16) meshing.
9. The exhaust gas treatment device for desulfurization and denitrification in cement plants according to any one of claims 1 to 5, wherein the gas transmission fixing frame (19) is in a cross shape, the gas transmission fixing frame (19) is horizontally and fixedly arranged at the lower end of the cylinder body (1), the distance between the gas transmission fixing frame (19) and the bottom end face of the cylinder body (1) is not less than 200mm, and meanwhile, the gas transmission fixing frame (19) can meet the condition that the gas transmission pipe (20) is always positioned below the slurry plane; the air conveying pipe (20) is generally in a plane spiral shape, two end faces of the air conveying pipe (20) are sealed, and the air conveying pipe (20) is horizontally and fixedly arranged on the air conveying fixing frame (19); the gas transmission nozzle (21) is in a reducing pipe shape, the gas transmission nozzle (21) is provided with a plurality of gas transmission nozzles, the gas transmission nozzles (21) are uniformly and fixedly arranged on the gas transmission pipe (20), the gas transmission nozzles (21) are communicated with the gas transmission pipe (20), and the distance between the gas transmission nozzles (21) and the bottom end face of the barrel body (1) is not less than 150 mm.
10. The exhaust gas treatment device for desulfurization and denitrification in cement plants according to any one of claims 2 to 5, wherein the exhaust gas inlet pipe (22) is tubular, and one end of the exhaust gas inlet pipe (22) penetrates through the exhaust gas inlet through hole and is communicated with the gas delivery pipe (20); the other end of the waste gas input pipe (22) is in a U-shaped tubular shape, and the other end of the waste gas input pipe (22) is connected with a booster fan (23).
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| CN201911393913.3A CN110975579A (en) | 2019-12-30 | 2019-12-30 | Exhaust treatment device for desulfurization and denitrification of cement plant |
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| CN201911393913.3A CN110975579A (en) | 2019-12-30 | 2019-12-30 | Exhaust treatment device for desulfurization and denitrification of cement plant |
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| CN111821834A (en) * | 2020-08-11 | 2020-10-27 | 苏州仕净环保科技股份有限公司 | Industrial waste gas circulation integral type processing apparatus |
| CN111821833A (en) * | 2020-08-11 | 2020-10-27 | 苏州仕净环保科技股份有限公司 | Extension turbulent desulfurization and denitrification integrated device |
| CN112807971A (en) * | 2020-12-29 | 2021-05-18 | 苏州仕净环保科技股份有限公司 | High-efficient purifier of industrial waste gas |
| CN112807972A (en) * | 2020-12-29 | 2021-05-18 | 苏州仕净环保科技股份有限公司 | High-efficient compound dust removal SOx/NOx control equipment of industrial waste gas |
| CN112807974A (en) * | 2020-12-30 | 2021-05-18 | 苏州仕净环保科技股份有限公司 | Environment-friendly industrial waste gas purification device |
| CN115414775A (en) * | 2022-09-13 | 2022-12-02 | 徐书妍 | Desulfurization system for chemical production of fountain multi-range activity |
| CN115970454A (en) * | 2023-03-20 | 2023-04-18 | 东营联合石化有限责任公司 | Water sealing device suitable for removing waste gas by alkali liquor and waste gas absorption method |
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| CN112807971A (en) * | 2020-12-29 | 2021-05-18 | 苏州仕净环保科技股份有限公司 | High-efficient purifier of industrial waste gas |
| CN112807972A (en) * | 2020-12-29 | 2021-05-18 | 苏州仕净环保科技股份有限公司 | High-efficient compound dust removal SOx/NOx control equipment of industrial waste gas |
| CN112807972B (en) * | 2020-12-29 | 2023-02-28 | 苏州仕净科技股份有限公司 | High-efficient compound dust removal SOx/NOx control equipment of industrial waste gas |
| CN112807974A (en) * | 2020-12-30 | 2021-05-18 | 苏州仕净环保科技股份有限公司 | Environment-friendly industrial waste gas purification device |
| CN115414775A (en) * | 2022-09-13 | 2022-12-02 | 徐书妍 | Desulfurization system for chemical production of fountain multi-range activity |
| CN115414775B (en) * | 2022-09-13 | 2024-07-09 | 四川凌耘建科技有限公司 | Desulfurization system for chemical production of spray type multi-range activity |
| CN115970454A (en) * | 2023-03-20 | 2023-04-18 | 东营联合石化有限责任公司 | Water sealing device suitable for removing waste gas by alkali liquor and waste gas absorption method |
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Application publication date: 20200410 |