CN107930167A - A kind of atomizing lance and desulfurizing waste water processing device - Google Patents
A kind of atomizing lance and desulfurizing waste water processing device Download PDFInfo
- Publication number
- CN107930167A CN107930167A CN201810015552.8A CN201810015552A CN107930167A CN 107930167 A CN107930167 A CN 107930167A CN 201810015552 A CN201810015552 A CN 201810015552A CN 107930167 A CN107930167 A CN 107930167A
- Authority
- CN
- China
- Prior art keywords
- pipe
- atomizing lance
- jet pipe
- protecting pipe
- protecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/20—Sprayers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Abstract
The present invention provides a kind of atomizing lance, including jet pipe and the protecting pipe for being coated at jet pipe, inserting gap is provided between jet pipe and protecting pipe, the multiple ventilation holes connected with inserting gap are offered on protecting pipe, ventilation hole is located at the air blanketing region between the insulating layer of protecting pipe and the insulation outer casing of protecting pipe.Using when, the nozzle of atomizing lance is set to stretch into high-temperature flue, can be from ventilation hole air-breathing using the negative pressure of high-temperature flue, extraneous cryogenic gas is imported into inserting gap, make to form convecting cool layer between jet pipe and protecting pipe, good heat-blocking action can be played to nozzle, institute is so as to avoid nozzle local temperature from being lifted, and then avoid jet hole crystallization or fouling and clogging.Present invention also offers a kind of desulfurizing waste water processing device with above-mentioned atomizing lance.
Description
Technical field
The present invention relates to technical field of waste water processing, and more specifically to a kind of atomizing lance, the invention further relates to one
Kind desulfurizing waste water processing device.
Background technology
It is higher and higher to the cry of Desulphurization for Coal-fired Power Plant wastewater zero discharge in recent years, to realize real wastewater zero discharge,
The processing mode of terminal be unable to do without hot method evaporation to realize zero-emission.A kind of common hot method method of evaporating is to utilize spray gun
It is evaporated after atomization using fume afterheat toward spraying in high-temperature flue desulfurization wastewater.
In order to realize the on-bne repair of nozzle, spray gun uses plug-in structure.The nozzle position of spray gun can be stretched into during work
High-temperature flue, causes nozzle temperature to be lifted, and desulfurization wastewater is high slat-containing wastewater, and hardness is higher, the lifting of nozzle local temperature
Relatively easily cause jet hole crystallization or fouling and clogging.
In addition, plug-in structure causes the cantilever of jet pipe long, and particularly when changing spray angle, sheath tubular support
Must expose again insulation outer casing outside, it is necessary to jet pipe cantilever with regard to longer.And recoil during due to high-pressure injection to jet pipe
Power is very big, jet pipe can be caused to vibrate when jet pipe cantilever is long, and jet pipe vibration can cause following serious problems:The place 1. jet pipe is taken root
Fatigue cracking;2. the threaded connection of nozzle easily loosens;3. influence spray effect.
It is current in conclusion how to avoid causing jet hole crystallization or fouling and clogging because nozzle local temperature is lifted
Those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of atomizing lance, to avoid because of the lifting of nozzle local temperature
Cause jet hole crystallization or fouling and clogging.
Another object of the present invention is to provide a kind of desulfurizing waste water processing device with above-mentioned atomizing lance, to avoid
Cause jet hole crystallization or fouling and clogging because nozzle local temperature is lifted.
In order to achieve the above object, the present invention provides following technical solution:
A kind of atomizing lance, including jet pipe and be coated at the protecting pipe of the jet pipe, the jet pipe and the protecting pipe it
Between be provided with inserting gap, offer on the protecting pipe and multiple ventilation holes that the inserting gap connects, the ventilation hole
Air blanketing region between the insulating layer of the protecting pipe and the insulation outer casing of the protecting pipe.
Preferably, in above-mentioned atomizing lance, the ventilation hole is six, is uniformly distributed along the circumferential direction of the protecting pipe.
Preferably, in above-mentioned atomizing lance, the aperture of the ventilation hole is 4-6mm.
Preferably, in above-mentioned atomizing lance, the elastic spacing one being arranged on the jet pipe outer circumferential surface, the bullet are further included
Property locating part offsets with the sheath inside pipe wall.
Preferably, in above-mentioned atomizing lance, the elastic spacing one is located at spray of the jet pipe close to the atomizing lance
One end of mouth.
Preferably, in above-mentioned atomizing lance, the elastic spacing one includes circumferentially uniformly distributed multiple bullets along the jet pipe
Property steel wire.
Preferably, in above-mentioned atomizing lance, the elastic wire is curved wire, and the both ends of the curved wire are welded
On the jet pipe, arc top and the protecting pipe of the curved wire offset.
Preferably, in above-mentioned atomizing lance, the elastic wire is three.
It can be seen from the above technical scheme that atomizing lance provided by the invention includes jet pipe and is coated at the shield of jet pipe
Casing, is provided with inserting gap, the multiple ventilation holes connected with inserting gap is offered on protecting pipe between jet pipe and protecting pipe,
Ventilation hole is located at the air blanketing region between the insulating layer of protecting pipe and the insulation outer casing of protecting pipe.
In application, make the nozzle of atomizing lance stretch into high-temperature flue, using high-temperature flue negative pressure can from ventilation hole air-breathing,
Extraneous cryogenic gas is imported into inserting gap, makes to form convecting cool layer between jet pipe and protecting pipe, nozzle can be played very
Good heat-blocking action, institute is so as to avoid nozzle local temperature from being lifted, and then avoid jet hole crystallization or fouling and clogging.
Present invention also offers a kind of desulfurizing waste water processing device, including atomizing lance, the atomizing lance is above-mentioned
A kind of atomizing lance, since above-mentioned atomizing lance has the effect above, has the desulfurizing waste water processing device of above-mentioned atomizing lance
Have same effect, therefore repeat no more herein.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structure diagram of atomizing lance provided in an embodiment of the present invention;
Fig. 2 is the schematic cross-section of the line A-A along Fig. 1.
Embodiment
An embodiment of the present invention provides a kind of atomizing lance, can avoid causing jet hole because nozzle local temperature is lifted
Crystallization or fouling and clogging.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work, belong to the scope of protection of the invention.
Attached drawing 1-2 is refer to, atomizing lance provided in an embodiment of the present invention includes jet pipe 4 and is coated at the sheath of jet pipe 4
Pipe 5, is provided with inserting gap, the multiple ventilations connected with inserting gap is offered on protecting pipe 5 between jet pipe 4 and protecting pipe 5
Hole 51, ventilation hole 51 are located at the air blanketing region between the insulating layer 3 of protecting pipe 5 and the insulation outer casing 6 of protecting pipe 5.
In application, making the nozzle 1 of atomizing lance stretch into high-temperature flue, can be inhaled using the negative pressure of high-temperature flue from ventilation hole 51
Gas, imports inserting gap by extraneous cryogenic gas, makes to form convecting cool layer between jet pipe 4 and protecting pipe 5, can be to nozzle 1
Good heat-blocking action is played, institute is so as to avoid nozzle local temperature from being lifted, and then avoid jet hole crystallization or fouling and clogging.
Specifically, ventilation hole 51 is six, be uniformly distributed along the circumferential direction of protecting pipe 5, can so make whole circumferential direction every
Thermal effect homogenizes.Above-mentioned ventilation hole 51 can also be other numbers, such as eight.
Further, the aperture of ventilation hole 51 is 4-6mm.In practical application, the aperture that makes ventilation hole 51 is 5mm, the hole
Footpath is smaller, both can guarantee that the normal importing of air, and rainwater is sucked into protecting pipe 5 when can also avoid the rainy day, causes protecting pipe 5 rotten
Erosion and mouth of pipe dust stratification, so as to improve security reliability.It is understood that the aperture of above-mentioned ventilation hole 51 can also be other
Value, when aperture is larger, can set up defences shield in 5 outer sheath of protecting pipe.
In preferable technical solution, atomizing lance further includes the elastic spacing one 2 being arranged on 4 outer circumferential surface of jet pipe, elasticity
Locating part 2 offsets with 5 inner wall of protecting pipe.The present invention is realized by elastic spacing one 2 carries out elastic spacing to jet pipe 4, eliminates spray
The cantilever of pipe 4, and then vibration is eliminated, improve operational reliability;At the same time because elastic spacing one 2 is easily deformable, and do not influence to overhaul
When plug, realize on-bne repair.
In order to improve limit effect, elastic spacing one 2 is located at jet pipe 4 close to one end of the nozzle 1 of atomizing lance.This implementation
Elastic spacing one 2 is arranged at jet pipe 4 close to the end of nozzle 1 by example, jet pipe 4 is obtained elastic spacing, vibrationproof in nearly nozzle side
Effect is more preferable.Certainly, above-mentioned elastic spacing one 2 can also be arranged on the middle part of jet pipe 4, or just set one every a segment length
A elastic spacing one 2.
In order to simplify structure, elastic spacing one 2 includes circumferentially uniformly distributed multiple elastic wires along jet pipe 4.The present embodiment
In, elastic spacing one 2 is made of multiple elastic wires, and structure is simpler, lighter in weight, and the influence to jet pipe 4 is smaller.Alternatively
, elastic spacing one 2 can also be elastic ring, elastic support or the multiple elastomer blocks being disposed on 4 outer circumferential surface of jet pipe
Etc. structure.
As shown in Figure 1, elastic wire is curved wire, the both ends of curved wire are welded on jet pipe 4, curved wire
Arc top offsets with protecting pipe 5.The arc top of curved wire is interference fitted with protecting pipe 5, and the elasticity of the curved wire preferably uses the longevity
Life is longer.Above-mentioned elastic wire can also be bent or spiral shape etc..
Preferably, elastic wire is three.Three elastic wires offset with three fulcrums of protecting pipe 5 respectively, can
Cost is saved on the premise of limit effect is ensured.Above-mentioned elastic wire can also be other numbers, such as four.
The embodiment of the present invention additionally provides a kind of desulfurizing waste water processing device, including atomizing lance, which is upper
The atomizing lance that any one embodiment provides is stated, can avoid causing jet hole crystallization or fouling because nozzle local temperature is lifted
Block, its advantage is brought by atomizing lance, specifically refer to relevant part in above-described embodiment, just no longer superfluous herein
State.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (9)
1. a kind of atomizing lance, including jet pipe (4) and the protecting pipe (5) for being coated at the jet pipe (4), the jet pipe (4) and institute
State and inserting gap is provided between protecting pipe (5), it is characterised in that offered on the protecting pipe (5) and the inserting gap
Multiple ventilation holes (51) of connection, the ventilation hole (51) are located at the insulating layer (3) of the protecting pipe (5) and the protecting pipe
(5) the air blanketing region between insulation outer casing (6).
2. atomizing lance according to claim 1, it is characterised in that the ventilation hole (51) is six, along the sheath
The circumferential direction of pipe (5) is uniformly distributed.
3. atomizing lance according to claim 1, it is characterised in that the aperture of the ventilation hole (51) is 4-6mm.
4. according to claim 1-3 any one of them atomizing lances, it is characterised in that further include and be arranged on the jet pipe (4)
Elastic spacing one (2) on outer circumferential surface, the elastic spacing one (2) offset with the protecting pipe (5) inner wall.
5. atomizing lance according to claim 4, it is characterised in that the elastic spacing one (2) is located at the jet pipe (4)
Close to one end of the nozzle (1) of the atomizing lance.
6. atomizing lance according to claim 4, it is characterised in that the elastic spacing one (2) is included along the jet pipe
(4) circumferentially uniformly distributed multiple elastic wires.
7. atomizing lance according to claim 6, it is characterised in that the elastic wire is curved wire, the arc
The both ends of steel wire are welded on the jet pipe (4), and arc top and the protecting pipe (5) of the curved wire offset.
8. atomizing lance according to claim 7, it is characterised in that the elastic wire is three.
9. a kind of desulfurizing waste water processing device, including atomizing lance, it is characterised in that the atomizing lance is such as claim 1-
8 any one of them atomizing lances.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810015552.8A CN107930167A (en) | 2018-01-08 | 2018-01-08 | A kind of atomizing lance and desulfurizing waste water processing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810015552.8A CN107930167A (en) | 2018-01-08 | 2018-01-08 | A kind of atomizing lance and desulfurizing waste water processing device |
Publications (1)
Publication Number | Publication Date |
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CN107930167A true CN107930167A (en) | 2018-04-20 |
Family
ID=61937447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810015552.8A Pending CN107930167A (en) | 2018-01-08 | 2018-01-08 | A kind of atomizing lance and desulfurizing waste water processing device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109399747A (en) * | 2018-11-23 | 2019-03-01 | 国网新疆电力有限公司电力科学研究院 | Spray gun and be suitable for desulfurization wastewater flue vaporising device |
CN115430535A (en) * | 2022-06-30 | 2022-12-06 | 国家能源集团谏壁发电厂 | Atomizing spray gun and SO 3 Removal equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB821232A (en) * | 1956-01-16 | 1959-10-07 | Wald Ind Inc | Improvements in or relating to spraying apparatus |
GB1372736A (en) * | 1972-12-13 | 1974-11-06 | Trumper Sons Birmingham Ltd E | Spray guns |
CN203671598U (en) * | 2014-01-07 | 2014-06-25 | 孙升科 | Atomization spray gun |
CN104624425A (en) * | 2015-02-09 | 2015-05-20 | 江苏正通宏泰股份有限公司 | Air atomization spray gun for denitration |
CN204448352U (en) * | 2015-02-09 | 2015-07-08 | 深圳泽峰环保技术有限公司 | A kind of denitration spray gun |
-
2018
- 2018-01-08 CN CN201810015552.8A patent/CN107930167A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB821232A (en) * | 1956-01-16 | 1959-10-07 | Wald Ind Inc | Improvements in or relating to spraying apparatus |
GB1372736A (en) * | 1972-12-13 | 1974-11-06 | Trumper Sons Birmingham Ltd E | Spray guns |
CN203671598U (en) * | 2014-01-07 | 2014-06-25 | 孙升科 | Atomization spray gun |
CN104624425A (en) * | 2015-02-09 | 2015-05-20 | 江苏正通宏泰股份有限公司 | Air atomization spray gun for denitration |
CN204448352U (en) * | 2015-02-09 | 2015-07-08 | 深圳泽峰环保技术有限公司 | A kind of denitration spray gun |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109399747A (en) * | 2018-11-23 | 2019-03-01 | 国网新疆电力有限公司电力科学研究院 | Spray gun and be suitable for desulfurization wastewater flue vaporising device |
CN109399747B (en) * | 2018-11-23 | 2024-01-12 | 国网新疆电力有限公司电力科学研究院 | Spray gun and flue evaporation device suitable for desulfurization waste water |
CN115430535A (en) * | 2022-06-30 | 2022-12-06 | 国家能源集团谏壁发电厂 | Atomizing spray gun and SO 3 Removal equipment |
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