CN107470049A - Desulphurization denitration lance tube with anti-vaporization - Google Patents
Desulphurization denitration lance tube with anti-vaporization Download PDFInfo
- Publication number
- CN107470049A CN107470049A CN201710939809.4A CN201710939809A CN107470049A CN 107470049 A CN107470049 A CN 107470049A CN 201710939809 A CN201710939809 A CN 201710939809A CN 107470049 A CN107470049 A CN 107470049A
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- China
- Prior art keywords
- medium
- transfer passage
- vaporization
- blending agent
- tube body
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- 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 kind of desulphurization denitration lance tube with anti-vaporization, first medium and second medium are formed in blending agent conveyance conduit be sufficiently mixed after exported again from the second body to nozzle, not only it is beneficial to form preferable suspension mixed effect, and first medium and second medium need not avoid the generation that bubble or hollow phenomenon are mixed to form in nozzle as mixed again in the nozzle of spray gun in the prior art；And due to forming the first cooling jacket on the tube wall of interior tube body, the second cooling jacket is formed on outer sleeve body, so as to be cooled down to first medium transfer passage and second medium transfer passage simultaneously, so as to be cooled down before first medium and second medium mixing, first medium or/and second medium is avoided to rise because of the pressure caused by overheat vaporization in lance tube, so that spray gun need not be chronically in the working environment of high temperature, greatly reduce the temperature on spray gun surface, make its no longer easily corrosion, substantially prolongs service life.
Description
Technical field
The present invention relates to denitration desulfuration field, more particularly to a kind of desulphurization denitration lance tube with anti-vaporization.
Background technology
Denitration desulfurizing tower is mainly reclaimed by gas fume conveying system, absorption tower, spray system, serum recycle system, slurries
System forms.The waste gas for having a large amount of sulfur dioxide, carbon dioxide etc. is transported to absorption by industrial waste gas by gas fume conveying system
Tower, substantial amounts of desulfurizing agent is transported to tower body by spray system in absorption tower, with certain pressure and depart from ability desulfurizing agent and
Industrial waste gas fully contacts, and produces chemical reaction, in order that the sulfur dioxide generation sediment in waste gas flows to bottom of towe, by slurries
The circulatory system is discharged to tower outer circulation utilization, and the industrial gasses after desulfurizing and purifying are discharged in air by desulfurizing tower chimney again.
At present, in the techniques such as desulphurization denitration, flue gas conditioning, in spray system, typically being realized using spray gun will
Fluid injection to determine range areas in, to reach preferable mixed effect, improve the efficiency and quality of desulphurization denitration.But
It is that existing spray gun has more deficiency in structure, one is complicated, and pipe fitting is relatively more, pipe middle sleeve, installation trouble；
Two come when in use, and spray gun is in high-temperature flue gas, and the time one is grown, and high-temperature flue gas is by spray gun and the fluid mistake in gun barrel
Heat, fluid often vaporize in gun barrel, cause in spray gun pressure to rise, due to the change of rifle overpressure, prevent fluid from
Defined location is ejected into estimated granularity, does not reach preferable mixed effect, and because spray gun is chronically at high temperature
In working environment, cause spray gun surface temperature high and easily corrode, leverage service life.
The content of the invention
In view of this, the present invention provides a kind of desulphurization denitration lance tube with anti-vaporization, not only has stable
And preferably medium mixed effect and medium conveying effect, and can solve the working environment that existing spray gun is chronically at high temperature
In, cause spray gun surface temperature high and easily corrosion, the problem of leveraging service life.
The desulphurization denitration lance tube with anti-vaporization of the present invention, including the first body and the second body, first
Body includes interior tube body and integrally formed with interior tube body and circular interior tube body sets to form the outer sleeve body of gap cooperation, the second body
It is arranged in the gap between said inner tube body and outer sleeve body around interior tube body and is brought into close contact to form fixation with outer sleeve body inwall；
Gap cooperatively forms first medium transfer passage between second inboard wall of tube body and said inner tube body, in interior tube body axially
Insertion is provided with second medium transfer passage, is formed in the front portion of the second body for medium in first medium transfer passage and the
Medium mixing and the blending agent transfer passage conveyed to blending agent in second medium transfer passage；
It is provided with the tube wall of interior tube body and first medium transfer passage and second medium is conveyed for being passed through cooling medium
First cooling jacket of passage cooling, is provided with the second cooling jacket connected with the first cooling jacket in the side wall of outer sleeve body,
Water supply connector is provided with and communicated with the second cooling jacket, water out adapter is provided with and communicated with the first cooling jacket.
Further, interior tube body one end is stretched out the second body and set, and water supply connector is arranged on outer sleeve body, and water out adapter is successively
The pipeline section for being located at the second tubular body through outer sleeve body and the second body and interior tube body is connected and is connected with the first cooling jacket.
Further, the mixing that the bore that blending agent transfer passage includes setting gradually along media flow direction tapers into
The blending agent conveying expansion that the constant blending agent conveying aditus laryngis area of medium conveying shrinking zone, bore and bore become larger
Area, interior tube body be located at the end in the second body be located at blending agent conveying shrinking zone in, and blending agent conveying shrinking zone with
First medium transfer passage coaxial communication.
Further, the lateral surface that interior tube body is located at the end of the second body is conformal with blending agent conveying shrinking zone
Circular conical surface.
Further, the medium output end of second medium transfer passage is sequentially formed with bore along media flow direction and gradually become
The second medium that the constant second medium conveying aditus laryngis area of small second medium conveying shrinking zone, bore and bore become larger is defeated
Send expansion regions.
Further, the first cooling jacket and the second cooling jacket correspond to tube wall inner side and the outer sleeve body of interior tube body respectively
The toroidal cavity formed in side wall.
Further, the airtight and watertight padding for sealing is provided between the tip inside and interior tube body of the second body.
Beneficial effects of the present invention：The present invention the desulphurization denitration lance tube with anti-vaporization, first medium with
Second medium is formed in the blending agent conveyance conduit of the second body be sufficiently mixed after exported again from the second body to nozzle, no
But it is beneficial to form preferable suspension mixed effect, and first medium and second medium need not be as in the prior art in the sprays of spray gun
Mixed again in mouth, avoid the generation that bubble or hollow phenomenon are mixed to form in nozzle, also will not final ejection again
During there is the phenomenon of quick-fried spray；And due to forming the first cooling jacket on the tube wall of interior tube body, shape in the side wall of outer sleeve body
Into the second cooling jacket connected with the first cooling jacket, the first cooling jacket is located at first medium transfer passage and second medium
Between transfer passage, the second cooling jacket is located on the outside of the second body, so as to simultaneously to first medium transfer passage and second
Media transport path is cooled down, so as to first medium and second medium mixing before i.e. cooled down, avoid first medium or/
With second medium because overheat vaporize caused by pressure in lance tube rise, because pressure obtain it is stable also ensure that first medium and
Second medium has preferable mixed effect, and due to the presence of the first cooling jacket and the second cooling jacket so that spray gun is not
It must be chronically in the working environment of high temperature, greatly reduce the temperature on spray gun surface, make its no longer easily corrosion, greatly prolong
Service life.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention.
Embodiment
Fig. 1 is schematic structural view of the invention, as shown in the figure：Desulphurization denitration with the anti-vaporization spray of the present embodiment
Gun barrel, including the first body and the second body, the first body include interior tube body 1 and integrally formed with interior tube body 1 and circular inner tube
Body sets to form the outer sleeve body 10 of gap cooperation, the second body around interior tube body be arranged on said inner tube body 1 and outer sleeve body 10 it
Between gap in and with the inwall of outer sleeve body 10 be brought into close contact to form fixation；Second body can pass through interference fit and the shape of outer sleeve body 10
Into fixation, it can also be threadingly attached to outer sleeve body 10 and form fixation；
Gap cooperatively forms first medium transfer passage 3, the interior axle of interior tube body 1 between the inwall and interior tube body 1 of second body 2
Insertion is provided with second medium transfer passage 4, formed in the front portion of the second body 2 for being situated between in first medium transfer passage 3
Matter mixes with medium in second medium transfer passage 4 and to the blending agent transfer passage 5 of blending agent conveying；Interior tube body 1
Be provided with tube wall 13 for be passed through that cooling medium cools down to first medium transfer passage 3 and second medium transfer passage 4 the
One cooling jacket 6, the second cooling jacket 11 connected with the first cooling jacket 6 is provided with the side wall of outer sleeve body 10, with second
Cooling jacket 11 is provided with and communicated with water supply connector 7, and water out adapter 8 is provided with and communicated with the first cooling jacket；As illustrated, inner tube
The one end of body 1 is located in the second body 2, and one end is located at outside the second body 2, and first medium transfer passage 3 is by positioned at the second body 2
Formed between the pipeline section of interior tube body 1 and the second body 2, blending agent transfer passage 5 and first medium transfer passage 3 are both formed in
In second body 2 and direct coaxial communication, the tube wall through the body 2 of outer sleeve body 10 and second are provided with first medium conveying joint
9, first medium conveying joint 9 directly connects with first medium transfer passage 3, and spray gun also includes nozzle, nozzle and blending agent
Then the exit end connection of transfer passage 5, first medium and second medium directly mix again in blending agent transfer passage 5
Nozzle is delivered to, also allowing for first medium and second medium need not be mixed in nozzle again, in order to avoid from after nozzle mixing
Transport path is too short and causes the bad phenomenon of mixed effect；In the present embodiment, first medium is high pressure compressed gas, and second is situated between
Matter is desulfurization denitrification agent, usually urea.
In the present embodiment, the one end of interior tube body 1 is stretched out the second body 2 and set, and water supply connector 7 is arranged at interior tube body 1 and stretches out the
Connected on the pipeline section of two bodys 2 with the first cooling jacket 6, water out adapter 8 is through the second body 2 with interior tube body 1 positioned at the second pipe
Pipeline section inside body 2 is connected and is connected with the first cooling jacket 6；Wherein, cooling medium is cooling water, and cooling water connects from intaking
First 7 enter the first cooling jacket 6, are flowed out from water out adapter 8, because water supply connector 7 and water out adapter 8 are divided into interior tube body 1
Both ends, that is, cooling water is fully flowed in the first cooling jacket 6 and the second cooling jacket 11, ensure cooling effect；In addition,
Water out adapter and water supply connector are connected with outside cooling water circulating device for water supply and water outlet.
In the present embodiment, the bore that blending agent transfer passage 5 includes setting gradually along media flow direction tapers into
The constant blending agent conveying aditus laryngis area 5-2 of blending agent conveying shrinking zone 5-1, bore and the mixing that becomes larger of bore be situated between
Matter conveys expansion regions 5-3, and interior tube body 1 is located at the end in the second body 2 and is located in blending agent conveying shrinking zone 5-1, and mixed
Close medium conveying shrinking zone 5-1 and the coaxial communication of first medium transfer passage 3；I.e. blending agent transfer passage 5 forms venturi
Tubular construction, first medium, which flows through, can form acceleration effect in blending agent transfer passage 5, not only to second medium transfer passage 4
Interior second medium produces siphonic effect, it is quickly sucked out into blending agent transfer passage 5, and is conveyed in blending agent
First medium can form with second medium and sufficiently be mixed to form suspension effect in passage 5.
In the present embodiment, the lateral surface that interior tube body 1 is located at the end of the second body 2 is to convey shrinking zone 5- with blending agent
1 conformal circular conical surface；Well adapting to property is not only formed, and ensures that first medium flows through blending agent conveying shrinking zone 5-
Acceleration effect is formed when 1.
In the present embodiment, the medium output end of second medium transfer passage 4 is sequentially formed with bore along media flow direction
The second medium tapered into conveys the constant second medium conveying aditus laryngis area 4-2 of shrinking zone 4-1, bore and bore becomes larger
Second medium conveying expansion regions 4-3；That is the medium output end of second medium transfer passage 4 is similarly formed venturi tube structure,
There is certain impact effect with acceleration effect, and entering in blending agent transfer passage 5, so as to help to be situated between with first
The mixing of matter.
In the present embodiment, the first cooling jacket 6 is the toroidal cavity formed on the inside of the tube wall of interior tube body 1；Not only easily make
Make, and film-cooled heat is big, ensures cooling effect.
In the present embodiment, the airtight and watertight padding for sealing is provided between the tip inside and interior tube body 1 of the second body 2
12；Airtight and watertight padding is graphite packing, and graphite packing is tightly compacted to form sealing by the end of outer sleeve body 10.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (7)
- A kind of 1. desulphurization denitration lance tube with anti-vaporization, it is characterised in that：Including the first body and the second body, First body includes interior tube body and integrally formed with interior tube body and circular interior tube body sets to form the outer sleeve body of gap cooperation, Second body around said inner tube body be arranged in the gap between said inner tube body and outer sleeve body and with the outer sleeve body Inwall is brought into close contact to form fixation；Gap cooperatively forms first medium transfer passage between second inboard wall of tube body and said inner tube body, in said inner tube body Axially through second medium transfer passage is provided with, formed in the front portion of second body in first medium transfer passage Medium mixes with medium in second medium transfer passage and to the blending agent transfer passage of blending agent conveying；It is provided with the tube wall of said inner tube body and first medium transfer passage and second medium is conveyed for being passed through cooling medium First cooling jacket of passage cooling, is provided with the second cooling water connected with the first cooling jacket in the side wall of the outer sleeve body Set, is provided with and communicated with water supply connector with the second cooling jacket, water out adapter is provided with and communicated with the first cooling jacket.
- 2. the desulphurization denitration lance tube according to claim 1 with anti-vaporization, it is characterised in that：Said inner tube Body one end is stretched out the second body and set, and the water supply connector is arranged on outer sleeve body, and the water out adapter sequentially passes through outer sleeve body The pipeline section for being located at the second tubular body with the second body and interior tube body is connected and is connected with the first cooling jacket.
- 3. the desulphurization denitration lance tube according to claim 1 with anti-vaporization, it is characterised in that：The mixing The blending agent that the bore that media transport path includes setting gradually along media flow direction tapers into conveys shrinking zone, bore The blending agent conveying expansion regions that constant blending agent conveying aditus laryngis area and bore become larger, said inner tube body are located at second End in body is located in blending agent conveying shrinking zone, and blending agent conveying shrinking zone and first medium transfer passage are same Axle connects.
- 4. the desulphurization denitration lance tube according to claim 3 with anti-vaporization, it is characterised in that：Said inner tube The lateral surface that body is located at the end of the second body is to convey the conformal circular conical surface in shrinking zone with blending agent.
- 5. the desulphurization denitration lance tube according to claim 4 with anti-vaporization, it is characterised in that：Described second The medium output end of media transport path, which along media flow direction is sequentially formed with the second medium that bore tapers into and conveyed, to be received The second medium conveying expansion regions that the constant second medium conveying aditus laryngis area of contracting area, bore and bore become larger.
- 6. the desulphurization denitration lance tube according to claim 5 with anti-vaporization, it is characterised in that：First cooling Water jacket and the second cooling jacket correspond to the toroidal cavity formed on the inside of the tube wall of interior tube body and in the side wall of outer sleeve body respectively.
- 7. the desulphurization denitration lance tube according to claim 6 with anti-vaporization, it is characterised in that：Described second The airtight and watertight padding for sealing is provided between the tip inside and interior tube body of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939809.4A CN107470049B (en) | 2017-09-30 | 2017-09-30 | Spray gun pipe with anti-vaporization function for desulfurization and denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939809.4A CN107470049B (en) | 2017-09-30 | 2017-09-30 | Spray gun pipe with anti-vaporization function for desulfurization and denitrification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470049A true CN107470049A (en) | 2017-12-15 |
| CN107470049B CN107470049B (en) | 2023-04-18 |
Family
ID=60605282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710939809.4A Active CN107470049B (en) | 2017-09-30 | 2017-09-30 | Spray gun pipe with anti-vaporization function for desulfurization and denitrification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107470049B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007799A (en) * | 2020-07-15 | 2020-12-01 | 苏州丽纳芯生物科技有限公司 | Device and method for spraying colon cancer detection test paper TC |
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| EP0066425A2 (en) * | 1981-05-22 | 1982-12-08 | New Zealand Dairy & Industrial Supplies Limited | A heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007799A (en) * | 2020-07-15 | 2020-12-01 | 苏州丽纳芯生物科技有限公司 | Device and method for spraying colon cancer detection test paper TC |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107470049B (en) | 2023-04-18 |
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