CN113578029B - SOx/NOx control integrated device with interior outside increases journey structure - Google Patents
SOx/NOx control integrated device with interior outside increases journey structure Download PDFInfo
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- CN113578029B CN113578029B CN202111156734.5A CN202111156734A CN113578029B CN 113578029 B CN113578029 B CN 113578029B CN 202111156734 A CN202111156734 A CN 202111156734A CN 113578029 B CN113578029 B CN 113578029B
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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
- B01D53/79—Injecting reactants
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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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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Abstract
The invention discloses a desulfurization and denitrification integrated device with an inner side and outer side range extending structure, wherein an inner side range extending piece is arranged on an outer side range extending barrel, and a middle range extending barrel is arranged on an inner side range extending piece; the inner side stroke increasing piece comprises an inner side stroke increasing cylinder, a supporting rod and a gas and liquid blocking and discharging piece, the inner side stroke increasing cylinder is arranged on the outer side stroke increasing cylinder, and the supporting rod and the gas and liquid blocking and discharging piece are both arranged on the inner side stroke increasing cylinder; the bottom of the inner range-increasing cylinder is provided with a waste gas conveying pipe, and the top of the shell is provided with an exhaust pipe communicated with the outer range-increasing cylinder; the spraying piece is arranged on the exhaust gas range-extending piece and used for spraying atomized desulfurization and denitrification liquid into the exhaust gas range-extending piece; the turbulent flow element is arranged on the shell and comprises a motor, a rotating rod and turbulent flow blades, the motor is arranged on the shell, the rotating rod is arranged on the motor, and the turbulent flow blades are arranged on the rotating rod; the turbulence member changes the exhaust gas from a laminar flow to a turbulent flow. The invention has the advantages of simple structure, reasonable structural design, low operation cost and high desulfurization and denitrification efficiency.
Description
Technical Field
The invention relates to the technical field of environmental protection engineering, in particular to a desulfurization and denitrification integrated device with an inner side and outer side range extending structure.
Background
At present, various technologies and devices have been developed at home and abroad for desulfurization and denitration of industrial waste gas, especially boiler waste gas. The denitration technology comprises a low-nitrogen combustion technology, a flue gas denitration (SNCR) technology and the like. The desulfurization technology comprises the following steps:
1. the wet desulphurization technology adopts a double alkali method (calcium method) or magnesium oxide (magnesium method) of lime slurry and sodium hydroxide solution to achieve the desulphurization effect through absorption, oxidation, demisting and other treatments, and has the defects of high operation cost, serious equipment corrosion, wastewater treatment, secondary pollution and the like;
2. the dry desulfurization technique is carried out in a furnace, although relatively simple, non-corrosive and non-wastewater treatment. However, when used in a fluidized bed boiler, the desulfurization efficiency is low and the reaction rate is slow.
3. The method is that according to the combustion characteristics of the boiler, solid lime powder is directly sprayed into a hearth and then calcined into calcium oxide at high temperature, and the calcium oxide reacts with sulfur dioxide in flue gas, so that the desulfurization is realized in the hearth; when the method is operated, the reaction temperature is not controlled in place, the smoke stays in the hearth for a short time, and the like, so that the ideal state cannot be achieved.
The wet flue gas desulfurization technique uses comparatively generally at present, but current wet flue gas desulfurization equipment, and waste gas stroke is short and dwell time is short in the SOx/NOx control device, and is not abundant with SOx/NOx control liquid reaction for waste gas SOx/NOx control is efficient, SOx/NOx control liquid use amount is high, and SOx/NOx control cost is higher.
Disclosure of Invention
In order to overcome the defects, the invention provides a desulfurization and denitrification integrated device with an inner-outer range extending structure, which solves the technical problems of low efficiency and high cost of desulfurization and denitrification of waste gas in the prior art, and specifically adopts the following technical scheme:
a SOx/NOx control integrated device with inside and outside range structure that increases includes:
a housing having a cylindrical shape; the exhaust gas range increasing piece is arranged in the shell and comprises an outer range increasing cylinder, an inner range increasing piece and a middle range increasing cylinder, the outer range increasing cylinder is arranged on the shell, the inner range increasing piece is arranged on the outer range increasing cylinder, and the middle range increasing cylinder is arranged on the inner range increasing piece; the inner side stroke increasing piece comprises an inner side stroke increasing barrel, a supporting rod and a gas and liquid blocking and discharging piece, the inner side stroke increasing barrel is arranged on the outer side stroke increasing barrel, and the supporting rod and the gas and liquid blocking and discharging piece are arranged on the inner side stroke increasing barrel; the outer side stroke-increasing barrel, the inner side stroke-increasing barrel and the middle stroke-increasing barrel can effectively prolong the movement stroke and the movement time of the waste gas in the waste gas stroke-increasing piece, and the desulfurization and denitrification efficiency of the waste gas is improved.
The spraying piece, the spraying piece sets up on the waste gas increases the journey piece, the spraying piece is including spraying branch pipe, spraying main pipe, spraying communicating pipe, spraying house steward and atomizer, the spraying branch pipe sets up the outside increases a journey section of thick bamboo, the centre increases a journey section of thick bamboo and inboard and increases on the journey section of thick bamboo, the spraying main pipe sets up on the spraying branch pipe, spraying communicating pipe sets up on the spraying main pipe, the spraying house steward sets up on the casing, atomizer sets up on the spraying branch pipe.
The turbulent flow element is arranged on the shell and comprises a motor, a rotating rod and turbulent flow blades, the motor is arranged on the shell, the rotating rod is arranged on the motor, and the turbulent flow blades are arranged on the rotating rod; the turbulent flow piece is used for converting the waste gas from a laminar flow state to a turbulent flow state, so that the waste gas is uniformly distributed in the waste gas range-increasing piece.
Preferably, both end faces of the shell are closed, a first rotation through hole and a first exhaust through hole are formed in one end face of the shell, and the first rotation through hole is located in the center of a circle of one end face of the shell; the side wall of the shell is provided with a first spraying through hole, a first gas transmission through hole and a slurry discharge through hole, and a slurry discharge pipe is embedded in the slurry discharge through hole.
Preferably, the outer range-extending cylinder is cylindrical, one end face of the outer range-extending cylinder is closed, the other end face of the outer range-extending cylinder is open, a second rotation through hole and a second exhaust through hole are formed in one end face of the outer range-extending cylinder, the second rotation through hole is located in the circle center of one end face of the outer range-extending cylinder, an exhaust pipe is embedded in the second exhaust through hole, and the free end of the exhaust pipe penetrates through the first exhaust through hole; a second spray through hole is formed in the side wall of the outer range extending cylinder; the other end of the outer side stroke-increasing cylinder is provided with an outer side conical tube, the diameter of the large end of the outer side conical tube is the same as that of the outer side stroke-increasing cylinder, and the large end of the outer side conical tube is fixedly arranged at the other end of the outer side stroke-increasing cylinder in a penetrating mode.
Preferably, the inner range-increasing cylinder is cylindrical, two end faces of the inner range-increasing cylinder are open, the diameter of the inner range-increasing cylinder is the same as that of the small end of the outer conical pipe, the inner range-increasing cylinder is embedded in the small end of the outer conical pipe, and the axis of the inner range-increasing cylinder coincides with that of the outer range-increasing cylinder.
Preferably, a plurality of slurry flow through holes are formed in the joint of the inner range-increasing cylinder and the outer conical pipe, and are uniformly distributed along the circumferential direction of the inner range-increasing cylinder; slurry flow pipes are embedded in the slurry flow through holes, the length of each slurry flow pipe is smaller than the radius of the inner range-extending barrel, a second gas transmission through hole is formed in the inner range-extending barrel on the lower side of each slurry flow through hole, a waste gas pipe is embedded in each second gas transmission through hole, and the free end of each waste gas pipe penetrates through the corresponding first gas transmission through hole; the supporting rods are vertically and fixedly arranged at one end of the inner side stroke-increasing cylinder, the number of the supporting rods is four, and the supporting rods are uniformly distributed at one end of the inner side stroke-increasing cylinder.
Preferably, the gas-blocking and liquid-discharging part comprises an inner side conical pipe and a water seal pipe, the inner side conical pipe is arranged on the inner side range-increasing cylinder, and the water seal pipe is arranged on the inner side conical pipe; the diameter of the large end of the inner conical tube is the same as that of the inner range-increasing cylinder, the large end of the inner conical tube is fixedly arranged at the other end of the inner range-increasing cylinder in a penetrating way, and the axis of the inner conical tube is superposed with that of the inner range-increasing cylinder; the water seal pipe is in an inverted U-shaped tubular shape, one end of the water seal pipe is fixedly connected to the small end of the inner side conical pipe in a penetrating mode, and the water seal pipe is used for preventing waste gas from entering the other end of the shell along the inner side conical pipe.
Preferably, the middle stroke-increasing cylinder is cylindrical, one end face of the middle stroke-increasing cylinder is closed, the other end face of the middle stroke-increasing cylinder is open, a third rotary through hole is formed in the center of one end face of the middle stroke-increasing cylinder, a third spray through hole is formed in the side wall of the middle stroke-increasing cylinder, the inner diameter of the middle stroke-increasing cylinder is larger than the outer diameter of the inner stroke-increasing cylinder, the middle stroke-increasing cylinder is sleeved on the inner stroke-increasing cylinder, and one end face of the middle stroke-increasing cylinder is fixedly arranged on the supporting rod.
Preferably, the spray branch pipes comprise a first spray branch pipe, a second spray branch pipe, a third spray branch pipe, a fourth spray branch pipe and a fifth spray branch pipe, the first spray branch pipe is arranged on the outer range extending barrel, the second spray branch pipe and the third spray branch pipe are arranged on the middle range extending barrel, and the fourth spray branch pipe and the fifth spray branch pipe are arranged on the inner range extending barrel.
The first spraying branch pipes are longitudinally and fixedly arranged on the inner side wall of the outer range extending cylinder along the outer range extending cylinder, the number of the first spraying branch pipes is multiple, and the multiple first spraying branch pipes are uniformly distributed along the circumferential direction of the inner side wall of the outer range extending cylinder; the second spraying branch pipes have the same structure as the first spraying branch pipes, are longitudinally and fixedly arranged on the outer side wall of the middle stroke-increasing cylinder along the middle stroke-increasing cylinder, and are uniformly distributed along the circumferential direction of the outer side wall of the middle stroke-increasing cylinder; the third spray branch pipes are longitudinally arranged on the inner side wall of the middle range extending cylinder along the middle range extending cylinder, the number of the third spray branch pipes is multiple, and the third spray branch pipes are uniformly distributed along the circumferential direction of the inner side wall of the middle range extending cylinder; the fourth spraying branch pipes and the third spraying branch pipes are identical in structure, the fourth spraying branch pipes are longitudinally arranged on the outer side wall of the inner side stroke-increasing cylinder along the inner side stroke-increasing cylinder, the number of the fourth spraying branch pipes is multiple, and the multiple fourth spraying branch pipes are uniformly distributed along the circumferential direction of the outer side wall of the inner side stroke-increasing cylinder; the fifth spraying branch pipe is the same as the third spraying branch pipe in structure, the fifth spraying branch pipe is arranged along the inner side stroke-increasing cylinder longitudinally arranged on the inner side stroke-increasing cylinder inner side wall, the fifth spraying branch pipe is provided with a plurality of spraying branch pipes, and the fifth spraying branch pipe is arranged along the inner side stroke-increasing cylinder inner side wall circumferentially and uniformly distributed.
Preferably, the spray trunk pipes include a first spray trunk pipe disposed on the first spray branch pipe, a second spray trunk pipe disposed on the second spray branch pipe, a third spray trunk pipe disposed on the third spray branch pipe, a fourth spray trunk pipe disposed on the fourth spray branch pipe, and a fifth spray trunk pipe disposed on the fifth spray branch pipe.
The first spray main pipe is in an annular pipe shape, the radius of the first spray main pipe is the same as the distribution radius of the plurality of first spray branch pipes, and the first spray main pipe is fixedly arranged at one end of each first spray branch pipe in a penetrating mode; the second spray main pipe is in an annular pipe shape, the radius of the second spray main pipe is the same as the distribution radius of the plurality of second spray branch pipes, and the second spray main pipe is fixedly arranged at one end of each second spray branch pipe in a penetrating mode; the third spray trunk pipe is in an annular pipe shape, the radius of the third spray trunk pipe is the same as the distribution radius of the third spray branch pipes, and the third spray trunk pipe is fixedly arranged at one end of each third spray branch pipe in a penetrating manner; the fourth spray trunk pipe is in an annular pipe shape, the radius of the fourth spray trunk pipe is the same as the distribution radius of the plurality of fourth spray branch pipes, and the fourth spray trunk pipe is fixedly arranged at one end of each fourth spray branch pipe in a penetrating mode; the fifth spraying main pipe is in an annular pipe shape, the radius of the fifth spraying main pipe is the same as the distribution radius of the plurality of fifth spraying branch pipes, and the fifth spraying main pipe is fixedly arranged at one end of the fifth spraying branch pipe in a penetrating mode.
The spray communicating pipe is embedded in the third spray through hole, and one end of the spray communicating pipe is communicated with the third spray branch pipe, the fourth spray branch pipe and the fifth spray branch pipe; the spraying main pipe is embedded in the first spraying through hole and the second spraying through hole, one end of the spraying main pipe is respectively communicated with the first spraying branch pipe, the second spraying branch pipe and one end of the spraying communicating pipe, and the other end of the spraying main pipe is connected with a spraying booster pump; the atomizer sets up on the spraying branch pipe, the atomizer is provided with a plurality ofly, atomizer evenly distributed is in on first spraying branch pipe, second spraying branch pipe, third spraying branch pipe, fourth spraying branch pipe and the fifth spraying branch pipe.
Preferably, the motor is arranged on the outer side of one end face of the housing, the rotating rod is embedded in the first rotating through hole, the second rotating through hole and the third rotating through hole, one end of the rotating rod is fixedly connected with a rotating shaft of the motor, and the axis of the rotating rod is overlapped with the axis of the rotating shaft of the motor; the turbulence blades are rectangular, strip through holes are formed in the turbulence blades, the turbulence blades are provided with a plurality of blades, and the plurality of blades are fixedly arranged along the circumferential direction of the rotating rods in a uniformly distributed mode.
The invention at least comprises the following beneficial effects:
1) the desulfurization and denitrification integrated device with the inner and outer side range extending structures is simple in structure, reasonable in structural design, low in operation cost and high in desulfurization and denitrification efficiency;
2) the desulfurization and denitrification integrated device with the inner and outer side range extending structures is provided with the waste gas range extending piece, the waste gas range extending piece comprises an outer range extending barrel, an inner range extending barrel and a middle range extending barrel, the outer range extending barrel, the inner range extending barrel and the middle range extending barrel can obviously increase the movement stroke and the residence time of waste gas in the device, and the desulfurization and denitrification efficiency of the waste gas can be obviously improved;
3) the integrated device is provided with the spraying part, the spraying part comprises the spraying branch pipe, the spraying main pipe, the spraying communicating pipe, the spraying main pipe and the atomizing spray head, the spraying branch pipe is arranged on the outer side stroke-increasing cylinder, the inner side stroke-increasing cylinder and the middle stroke-increasing cylinder, and the desulfurization and denitration liquid atomized by the atomizing spray head can effectively improve the desulfurization and denitration efficiency of waste gas and reduce the use amount of the desulfurization and denitration liquid so as to reduce the operation 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 a desulfurization and denitrification integrated device with an inside-outside range-extending structure according to the present invention;
FIG. 2 is a schematic perspective view of the integrated desulfurization and denitrification apparatus with an inside-outside range-extending structure according to the present invention;
FIG. 3 is a schematic view of a first longitudinal section of a desulfurization and denitrification integrated device with an inside-outside range-extending structure according to the present invention;
FIG. 4 is a schematic diagram of a second longitudinal section of the integrated SOx/NOx control device with an inside-outside range-extending structure according to the present invention;
FIG. 5 is a partial enlarged view of A in FIG. 4 of the integrated desulfurization and denitrification apparatus with an inside-outside range-extending structure according to the present invention;
FIG. 6 is a schematic diagram showing a third longitudinal sectional three-dimensional structure of the integrated desulfurization and denitrification apparatus with an inside-outside range-extending structure according to the present invention;
FIG. 7 is a partial enlarged view of B in FIG. 6 of the integrated SOx/NOx control device with an inside-outside range-extending structure according to the present invention;
FIG. 8 is a schematic cross-sectional view of the integrated desulfurization and denitrification apparatus with an inside-outside range-extending structure shown in FIG. 1 in the direction of C-C;
FIG. 9 is a schematic cross-sectional view of the integrated desulfurization and denitrification apparatus with an inside-outside range-extending structure shown in FIG. 1 along the direction D-D.
Wherein: 1-shell, 2-slurry discharge pipe, 3-outer range increasing barrel, 4-middle range increasing barrel, 5-exhaust pipe, 6-outer conical pipe, 7-inner range increasing barrel, 8-support rod, 9-waste gas conveying pipe, 10-slurry flow pipe, 11-inner conical pipe, 12-water seal pipe, 13-motor, 14-rotating rod, 15-turbulence blade, 16-slurry flow through hole, 17-demister, 18-first spray branch pipe, 19-second spray branch pipe, 20-third spray branch pipe, 21-fourth spray branch pipe, 22-fifth spray branch pipe, 23-first spray branch pipe, 24-second spray branch pipe, 25-third spray branch pipe, 26-fourth spray branch pipe, 27-fifth spray branch pipe, 28-spray communicating pipe, 29-spray header pipe and 30-spray nozzle.
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 the fig. 1-9, a desulfurization and denitrification integrated device with an inside and outside range extending structure comprises a shell 1, an exhaust gas range extending piece, a spray piece and a turbulence piece, wherein the exhaust gas range extending piece and the turbulence piece are both arranged on the shell 1, and the spray piece is arranged on the exhaust gas range extending piece. The shell 1 is in a cylindrical shape, two end faces of the shell 1 are sealed, a first rotation through hole and a first exhaust through hole are formed in one end face of the shell 1, and the first rotation through hole is located in the circle center of one end face of the shell 1. The side wall of the shell 1 is provided with a first spraying through hole, a first gas transmission through hole and a pulp discharge through hole, and a pulp discharge pipe 2 is embedded in the pulp discharge through hole. The housing 1 is vertically disposed on the ground.
The exhaust gas stroke-increasing piece comprises an outer stroke-increasing cylinder 3, an inner stroke-increasing piece and a middle stroke-increasing cylinder 4, the outer stroke-increasing cylinder 3 is arranged on the shell 1, the inner stroke-increasing piece is arranged on the outer stroke-increasing cylinder 3, and the middle stroke-increasing cylinder 4 is arranged on the inner stroke-increasing piece. The outer side stroke-increasing cylinder 3 is in a cylindrical shape, one end face of the outer side stroke-increasing cylinder 3 is closed, the other end face of the outer side stroke-increasing cylinder is open, a second rotating through hole and a second exhaust through hole are formed in one end face of the outer side stroke-increasing cylinder 3, the second rotating through hole is located in the circle center of one end face of the outer side stroke-increasing cylinder 3, an exhaust pipe 5 is embedded in the second exhaust through hole, and the free end of the exhaust pipe 5 penetrates through the first exhaust through hole. And a second spray through hole is formed in the side wall of the outer range extending cylinder 3 and corresponds to the first spray through hole in position. The other end of the outside range-increasing barrel 3 is provided with an outside conical tube 6, the diameter of the large end of the outside conical tube 6 is the same as that of the outside range-increasing barrel 3, the large end of the outside conical tube 6 is fixedly arranged at the other end of the outside range-increasing barrel 3 in a penetrating way, and the axis of the outside conical tube 6 is superposed with the axis of the outside range-increasing barrel 3.
The inboard increases journey piece and includes that the inboard increases journey section of thick bamboo 7, bracing piece 8 and stifled gas flowing back piece, and the inboard increases journey section of thick bamboo 7 and sets up on the outside increases journey section of thick bamboo 3, and bracing piece 8 and stifled gas flowing back piece all set up on the inboard increases journey section of thick bamboo 7. The inner range-increasing cylinder 7 is cylindrical, two end faces of the inner range-increasing cylinder are open, the diameter of the inner range-increasing cylinder 7 is the same as that of the small end of the outer conical pipe 6, the inner range-increasing cylinder 7 is embedded in the small end of the outer conical pipe 6, and the axis of the inner range-increasing cylinder 7 is overlapped with the axis of the outer range-increasing cylinder 3.
Six slurry flow through holes 16 are formed in the joint of the inner range-increasing cylinder 7 and the outer conical pipe 6, and the six slurry flow through holes 16 are uniformly distributed along the circumferential direction of the inner range-increasing cylinder 7. The slurry flow through holes 16 are internally embedded with slurry flow pipes 10, the length of each slurry flow pipe 10 is smaller than the radius of the inner range-increasing barrel 7, the inner range-increasing barrel 7 on the lower side of each slurry flow through hole 16 is provided with a second gas transmission through hole, an exhaust gas pipe 9 is embedded in each second gas transmission through hole, and the free end of each exhaust gas pipe 9 penetrates through the corresponding first gas transmission through hole. The slurry flowing through hole 16 is used for flowing the slurry in the outer conical pipe 6 into the inner conical pipe 11, and the slurry flowing pipe 10 can prevent the slurry flowing into the inner range-increasing barrel 7 from the outer conical pipe 6 from sliding down along the inner side wall of the inner range-increasing barrel 7, so that the slurry can be linearly left from the slurry flowing pipe 10 to fall on a turbulence member and is changed into water drops and water mist by being hit by the turbulence member. The vertical fixed setting of bracing piece 8 is served at 7 one of the inboard stroke-increasing section of thick bamboo, and bracing piece 8 is provided with four, and bracing piece 8 evenly distributed is served at 7 one of the inboard stroke-increasing section of thick bamboo. The support bar 8 is used for supporting the intermediate range-extending barrel 4.
The gas-blocking liquid-discharging piece comprises an inner side conical pipe 11 and a water-sealing pipe 12, wherein the inner side conical pipe 11 is arranged on the inner side range-increasing barrel 7, and the water-sealing pipe 12 is arranged on the inner side conical pipe 11. The diameter of the big end of the inner conical tube 11 is the same as that of the inner range-increasing cylinder 7, the big end of the inner conical tube 11 is fixedly penetrated at the other end of the inner range-increasing cylinder 7, and the axis of the inner conical tube 11 is superposed with that of the inner range-increasing cylinder 7. The water seal pipe 12 is in an inverted U-shaped tubular shape, one end of the water seal pipe 12 is fixedly connected to the small end of the inner side conical pipe 11 in a penetrating mode, and the water seal pipe 12 can prevent waste gas from entering the other end of the shell 1 along the inner side conical pipe 11.
The middle stroke-increasing cylinder 4 is in a cylindrical shape, one end face of the middle stroke-increasing cylinder 4 is closed, the other end face of the middle stroke-increasing cylinder is open, a third rotary through hole is formed in the center of one end face of the middle stroke-increasing cylinder 4, a third spray through hole is formed in the side wall of the middle stroke-increasing cylinder 4, the inner diameter of the middle stroke-increasing cylinder 4 is larger than the outer diameter of the inner stroke-increasing cylinder 7, the middle stroke-increasing cylinder 4 is sleeved on the inner stroke-increasing cylinder 7, and one end face of the middle stroke-increasing cylinder 4 is fixedly arranged on the support rod 8. A demister 17 is arranged on the inner side wall of the outside range-extending cylinder 3 above the middle range-extending cylinder 4, and a fourth rotary through hole is formed in the demister 17.
The spraying part comprises a spraying branch pipe, a spraying main pipe, a spraying communicating pipe 28, a spraying main pipe 29 and an atomizing nozzle 30, the spraying branch pipe is arranged on the outer side stroke-increasing cylinder 3, the middle stroke-increasing cylinder 4 and the inner side stroke-increasing cylinder 7, the spraying main pipe is arranged on the spraying branch pipe, the spraying communicating pipe 28 is arranged on the spraying main pipe, the spraying main pipe 29 is arranged on the shell 1, and the atomizing nozzle 30 is arranged on the spraying branch pipe. The spray branch pipes comprise a first spray branch pipe 18, a second spray branch pipe 19, a third spray branch pipe 20, a fourth spray branch pipe 21 and a fifth spray branch pipe 22, the first spray branch pipe 18 is arranged on the outside range-extending barrel 3, the second spray branch pipe 19 and the third spray branch pipe 20 are both arranged on the middle range-extending barrel 4, and the fourth spray branch pipe 21 and the fifth spray branch pipe 22 are both arranged on the inside range-extending barrel 7.
One end face of each first spraying branch pipe 18 is open, the other end face of each first spraying branch pipe is closed, the first spraying branch pipes 18 are longitudinally and fixedly arranged on the inner side wall of the outside stroke-increasing cylinder 3 along the outside stroke-increasing cylinder 3, the first spraying branch pipes 18 are ten, and the ten first spraying branch pipes 18 are circumferentially and uniformly distributed on the inner side wall of the outside stroke-increasing cylinder 3. The second spraying branch pipes 19 are identical to the first spraying branch pipes 18 in structure, the second spraying branch pipes 19 are longitudinally and fixedly arranged on the outer side wall of the middle range-extending barrel 4 along the middle range-extending barrel 4, the number of the second spraying branch pipes 19 is ten, and the ten second spraying branch pipes 19 are circumferentially and uniformly distributed on the outer side wall of the middle range-extending barrel 4. One end face of each third spraying branch pipe 20 is open, the other end face of each third spraying branch pipe 20 is closed, the third spraying branch pipes 20 are longitudinally arranged on the inner side wall of the middle stroke-increasing cylinder 4 along the middle stroke-increasing cylinder 4, eight third spraying branch pipes 20 are arranged, and the eight third spraying branch pipes 20 are circumferentially and uniformly distributed on the inner side wall of the middle stroke-increasing cylinder 4. The fourth spraying branch pipes 21 are identical to the third spraying branch pipes 20 in structure, the fourth spraying branch pipes 21 are longitudinally arranged on the outer side wall of the inner range-extending cylinder 7 along the inner range-extending cylinder 7, eight fourth spraying branch pipes 21 are arranged, and the eight fourth spraying branch pipes 21 are circumferentially and uniformly distributed on the outer side wall of the inner range-extending cylinder 7. The fifth spraying branch pipes 22 are identical to the third spraying branch pipes 20 in structure, the fifth spraying branch pipes 22 are longitudinally arranged on the inner side wall of the inner side stroke-increasing cylinder 7 along the inner side stroke-increasing cylinder 7, four fifth spraying branch pipes 22 are arranged, and the four fifth spraying branch pipes 22 are evenly distributed along the circumferential direction of the inner side wall of the inner side stroke-increasing cylinder 7.
The spray trunk pipes comprise a first spray trunk pipe 23, a second spray trunk pipe 24, a third spray trunk pipe 25, a fourth spray trunk pipe 26 and a fifth spray trunk pipe 27, the first spray trunk pipe 23 is arranged on the first spray branch pipe 18, the second spray trunk pipe 24 is arranged on the second spray branch pipe 19, the third spray trunk pipe 25 is arranged on the third spray branch pipe 20, the fourth spray trunk pipe 26 is arranged on the fourth spray branch pipe 21, and the fifth spray trunk pipe 27 is arranged on the fifth spray branch pipe 22.
The first spray trunk 23 is in a shape of a ring pipe, the radius of the first spray trunk 23 is the same as the distribution radius of the ten first spray branch pipes 18, and the first spray trunk 23 is fixedly arranged at one end of the first spray branch pipes 18 in a penetrating manner. The second spray trunk pipe 24 is in an annular pipe shape, the radius of the second spray trunk pipe 24 is the same as the distribution radius of the ten second spray branch pipes 19, and the second spray trunk pipe 24 is fixedly arranged at one end of the second spray branch pipes 19 in a penetrating way. The third spray trunk pipe 25 is in a shape of an annular pipe, the radius of the third spray trunk pipe 25 is the same as the distribution radius of the eight third spray branch pipes 20, and the third spray trunk pipe 25 is fixedly arranged at one end of the third spray branch pipe 20 in a penetrating manner. The fourth spray trunk 26 is in the shape of an annular pipe, the radius of the fourth spray trunk 26 is the same as the distribution radius of the eight fourth spray branch pipes 21, and the fourth spray trunk 26 is fixedly arranged at one end of the fourth spray branch pipes 21 in a penetrating manner. The fifth spray trunk 27 is in the shape of an annular pipe, the radius of the fifth spray trunk 27 is the same as the distribution radius of the four fifth spray branch pipes 22, and the fifth spray trunk 27 is fixedly arranged at one end of the fifth spray branch pipes 22 in a penetrating manner.
One end face of the spray communicating pipe 28 is closed, the other end face is open, the spray communicating pipe 28 is fitted into the third spray penetration hole, and one end of the spray communicating pipe 28 is connected to the third spray branch pipe 20, the fourth spray branch pipe 21, and the fifth spray branch pipe 22 in a penetrating manner. The spray header 29 is fitted in the first spray through-hole and the second spray through-hole, one end of the spray header 29 is connected to one end of the first spray branch pipe 18, one end of the second spray branch pipe 19, and one end of the spray communicating pipe 28, respectively, through, and the other end of the spray header 29 is connected to the spray booster pump. The atomizing spray heads 30 are arranged on the spray branch pipes, the atomizing spray heads 30 are arranged in three hundred sixty eight parts, and the atomizing spray heads 30 are uniformly distributed on the first spray branch pipe 18, the second spray branch pipe 19, the third spray branch pipe 20, the fourth spray branch pipe 21 and the fifth spray branch pipe 22.
The turbulence member comprises a motor 13, a rotating rod 14 and turbulence blades 15, wherein the motor 13 is arranged on the shell 1, the rotating rod 14 is arranged on the motor 13, and the turbulence blades 15 are arranged on the rotating rod 14. The motor 13 is fixedly arranged on the outer side of one end face of the shell 1 through a motor support, the rotating rod 14 is embedded in the first rotating through hole, the second rotating through hole, the third rotating through hole and the fourth rotating through hole, one end of the rotating rod 14 is fixedly connected with a rotating shaft of the motor 13, and the axis of the rotating rod 14 is superposed with the axis of the rotating shaft of the motor 13.
The turbulence blades 15 are rectangular, strip through holes are formed in the turbulence blades 15, four turbulence blades 15 are arranged, and the four turbulence blades 15 are uniformly distributed and fixedly arranged along the circumferential direction of the rotating rod 14. When the turbulent blades 15 rotate around the rotating rods 14 in the circumferential direction, the laminar rising exhaust gas is changed into a turbulent state, so that the exhaust gas is uniformly dispersed in the inner stroke-increasing barrel 7, and the strip through holes can prevent the exhaust gas from generating cyclone when the laminar rising exhaust gas is changed into the turbulent flow.
Before the waste gas is input into the integrated desulfurization and denitrification device with an inside and outside range-increasing structure, the spraying booster pump inputs desulfurization and denitrification liquid into the spraying main pipe 29, the desulfurization and denitrification liquid is sprayed into the waste gas range-increasing piece through the spraying main pipe, the spraying branch pipe and the atomizing nozzle 30 and is gathered in the outside conical pipe 6, and the liquid in the outside conical pipe 6 flows into the inside conical pipe 11 through the slurry flowing through hole 16 and the slurry flowing pipe 10 to form water seal. When waste gas passes through waste gas-supply pipe 9 and increases a section of thick bamboo 7 input waste gas inboard, motor 13 will drive rotary rod 14 and make turbulent blade 15 rotatory, and then becomes turbulent state with waste gas by laminar flow state, makes waste gas increase a section of thick bamboo 7, the middle stroke section of thick bamboo 4 and the outside and increases evenly distributed in a section of thick bamboo 3 in increasing a section of thick bamboo 7, the middle stroke section of thick bamboo in the inboard, improves the SOx/NOx control efficiency of waste gas.
Waste gas gets into middle range section of thick bamboo 4 that increases through inboard range section of thick bamboo 7 that increases to by middle range section of thick bamboo 4 that increases gets into in the outside range section of thick bamboo 3 that increases, waste gas increases a section of thick bamboo 7 in the inboard, the spray part lasts to waste gas and increases the SOx/NOx control liquid that atomizes in the range section of thick bamboo 3 when middle range section of thick bamboo 4 and the outside increases a section of thick bamboo 3, inboard range section of thick bamboo 7 that increases, middle range section of thick bamboo 4 and the outside increase a section of thick bamboo 3 and effectively increased the motion stroke and the motion time of waste gas in the SOx/NOx control integrated device that has the structure of increasing a range of the inboard, the SOx/NOx control efficiency of waste gas is showing and is improved.
From the above, the integrated device provided by the invention has the advantages of simple structure, reasonable structural design, low operation cost and high desulfurization and denitrification efficiency; the movement stroke and the residence time of the waste gas in the desulfurization and denitrification integrated device with the inside and outside range extending structure can be obviously increased, and the desulfurization and denitrification efficiency of the waste gas can be obviously improved. Simultaneously, the SOx/NOx control liquid after atomizer atomizing can effectively improve waste gas SOx/NOx control efficiency, thereby reduces SOx/NOx control liquid use amount and reduces the running cost.
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 (3)
1. The utility model provides a SOx/NOx control integrated device with inside and outside increases journey structure which characterized in that includes:
the exhaust gas range increasing piece is arranged in the shell and comprises an outer range increasing cylinder, an inner range increasing piece and a middle range increasing cylinder, the outer range increasing cylinder is arranged in the shell, the inner range increasing piece is arranged on the outer range increasing cylinder, and the middle range increasing cylinder is arranged on the inner range increasing piece; the inner side stroke increasing piece comprises an inner side stroke increasing barrel, a supporting rod and a gas and liquid blocking and discharging piece, the inner side stroke increasing barrel is arranged on the outer side stroke increasing barrel, and the supporting rod and the gas and liquid blocking and discharging piece are arranged on the inner side stroke increasing barrel; the bottom of the inner side stroke-increasing barrel is provided with a waste gas conveying pipe, and the top of the shell is provided with an exhaust pipe communicated with the outer side stroke-increasing barrel;
the spraying piece is arranged on the exhaust gas range-increasing piece and is used for spraying atomized desulfurization and denitrification liquid into the exhaust gas range-increasing piece;
the turbulent flow element is arranged on the shell and comprises a motor, a rotating rod and turbulent flow blades, the motor is arranged on the shell, the rotating rod is arranged on the motor, and the turbulent flow blades are arranged on the rotating rod; the turbulent flow piece converts the waste gas from a laminar flow shape into a turbulent flow shape;
the two end faces of the shell are closed, a first rotation through hole and a first exhaust through hole are formed in one end face of the shell, and the first rotation through hole is located in the circle center of one end face of the shell; a first spraying through hole, a first gas transmission through hole and a slurry discharge through hole are formed in the side wall of the shell, and a slurry discharge pipe is embedded in the slurry discharge through hole; the outer side stroke-increasing cylinder is cylindrical, one end face of the outer side stroke-increasing cylinder is closed, the other end face of the outer side stroke-increasing cylinder is open, a second rotating through hole and a second exhaust through hole are formed in one end face of the outer side stroke-increasing cylinder, the second rotating through hole is located in the circle center of one end face of the outer side stroke-increasing cylinder, the exhaust pipe is embedded in the second exhaust through hole, and the free end of the exhaust pipe penetrates through the first exhaust through hole; a second spray through hole is formed in the side wall of the outer range extending cylinder; the other end of the outer side stroke-increasing cylinder is provided with an outer side conical tube, the diameter of the large end of the outer side conical tube is the same as that of the outer side stroke-increasing cylinder, and the large end of the outer side conical tube is fixedly arranged at the other end of the outer side stroke-increasing cylinder in a penetrating manner; the inner side stroke-increasing cylinder is cylindrical, two end faces of the inner side stroke-increasing cylinder are open, the diameter of the inner side stroke-increasing cylinder is the same as that of the small end of the outer side conical pipe, the inner side stroke-increasing cylinder is embedded in the small end of the outer side conical pipe, and the axis of the inner side stroke-increasing cylinder is overlapped with that of the outer side stroke-increasing cylinder; the joint of the inner range-increasing cylinder and the outer conical pipe is provided with slurry flowing through holes, and the slurry flowing through holes are uniformly distributed along the circumferential direction of the inner range-increasing cylinder; slurry flow pipes are embedded in the slurry flow through holes, the length of each slurry flow pipe is smaller than the radius of the inner range-extending barrel, a second gas transmission through hole is formed in the inner range-extending barrel on the lower side of each slurry flow through hole, the waste gas pipe is embedded in the second gas transmission through hole, and the free end of the waste gas pipe penetrates through the first gas transmission through hole; the supporting rod is vertically and fixedly arranged at one end of the inner side stroke-increasing cylinder; the gas-blocking and liquid-discharging part comprises an inner side conical pipe and a water seal pipe, the inner side conical pipe is arranged on the inner side range-extending cylinder, and the water seal pipe is arranged on the inner side conical pipe; the diameter of the large end of the inner conical tube is the same as that of the inner range-increasing cylinder, the large end of the inner conical tube is fixedly arranged at the other end of the inner range-increasing cylinder in a penetrating way, and the axis of the inner conical tube is superposed with that of the inner range-increasing cylinder; the water seal pipe is in an inverted U-shaped tubular shape, one end of the water seal pipe is fixedly connected to the small end of the inner side conical pipe in a penetrating mode, and the water seal pipe is used for preventing waste gas from entering the other end of the shell along the inner side conical pipe; the middle range-increasing cylinder is cylindrical, one end face of the middle range-increasing cylinder is closed, the other end face of the middle range-increasing cylinder is open, a third rotating through hole is formed in the center of one end face of the middle range-increasing cylinder, a third spraying through hole is formed in the side wall of the middle range-increasing cylinder, the inner diameter of the middle range-increasing cylinder is larger than the outer diameter of the inner range-increasing cylinder, the middle range-increasing cylinder is sleeved on the inner range-increasing cylinder, and one end face of the middle range-increasing cylinder is fixedly arranged on the supporting rod;
the motor is arranged on the outer side of one end face of the shell, the rotating rod is embedded in the first rotating through hole, the second rotating through hole and the third rotating through hole, one end of the rotating rod is fixedly connected with a rotating shaft of the motor, and the axis of the rotating rod is superposed with the axis of the rotating shaft of the motor; the turbulence blades are rectangular, strip through holes are formed in the turbulence blades, and the turbulence blades are circumferentially and uniformly distributed along the rotating rods.
2. The integrated desulfurization and denitrification device with the inside and outside range extending structure according to claim 1, wherein the spray member comprises spray branch pipes, spray trunk pipes, spray communicating pipes, a spray header pipe and spray nozzles, the spray branch pipes are arranged on the outside range extending barrel, the middle range extending barrel and the inside range extending barrel, the spray trunk pipes are arranged on the spray branch pipes, the spray communicating pipes are arranged on the spray trunk pipes, the spray header pipe is arranged on the housing, and the spray nozzles are arranged on the spray branch pipes;
the spraying branch pipes comprise first to fifth spraying branch pipes, and a plurality of first spraying branch pipes are uniformly distributed along the circumferential direction of the inner side wall of the outer range extending cylinder; the plurality of second spray branch pipes are uniformly distributed along the circumferential direction of the outer side wall of the middle stroke-increasing cylinder; a plurality of third spray branch pipes are uniformly distributed along the circumferential direction of the inner side wall of the middle range extending cylinder; a plurality of fourth spray branch pipes are uniformly distributed along the circumferential direction of the outer side wall of the inner side stroke-increasing cylinder; and the fifth spray branch pipes are uniformly distributed along the circumferential direction of the inner side wall of the inner side stroke-increasing cylinder.
3. The integrated desulfurization and denitrification device with the inside and outside range extending structure as claimed in claim 2, wherein the spray trunk pipes comprise first to fifth spray trunk pipes in an annular pipe shape, the first to fifth spray trunk pipes correspond to the first to fifth spray branch pipes one by one, the radius of each spray trunk pipe is the same as the distribution radius of the corresponding spray branch pipes, and each spray trunk pipe is fixedly arranged at one end of the corresponding spray branch pipe in a penetrating manner;
the spray communicating pipe is embedded in the third spray through hole, and one end of the spray communicating pipe is communicated with the third spray branch pipe, the fourth spray branch pipe and the fifth spray branch pipe; the spraying main pipe is embedded in the first spraying through hole and the second spraying through hole, one end of the spraying main pipe is respectively communicated with the first spraying branch pipe, the second spraying branch pipe and one end of the spraying communicating pipe, and the other end of the spraying main pipe is connected with the spraying booster pump; the plurality of atomizing spray heads are uniformly distributed on each spraying branch pipe.
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