CN114178101B - Online self-cleaning spray gun and desulfurization wastewater zero discharge system - Google Patents
Online self-cleaning spray gun and desulfurization wastewater zero discharge system Download PDFInfo
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- CN114178101B CN114178101B CN202111249857.3A CN202111249857A CN114178101B CN 114178101 B CN114178101 B CN 114178101B CN 202111249857 A CN202111249857 A CN 202111249857A CN 114178101 B CN114178101 B CN 114178101B
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- cleaning
- spray gun
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- cleaning head
- flue
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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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
- B01D53/48—Sulfur compounds
-
- 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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- Environmental & Geological Engineering (AREA)
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Abstract
The invention provides an online self-cleaning spray gun, which comprises a spray gun tube, a nozzle arranged at one end of the spray gun tube and a cleaning assembly, wherein the cleaning assembly comprises a cleaning rod and a cleaning head capable of moving along the length direction of the spray gun tube, the cleaning head is arranged at the end part of the cleaning rod close to one side of the nozzle, the cleaning head comprises an installation part, a scraper part and a brushing part, the scraper part and the brushing part are both positioned on the installation part, the installation part is connected with the cleaning rod, the scraper part is provided with a first channel for the nozzle to pass through, and the first channel is a knife edge capable of scraping dust and dirt on the surface of the nozzle; still provide a desulfurization waste water zero release system, including above-mentioned spray gun. According to the invention, the cleaning of the scale on the surface of the nozzle is realized through the reciprocating movement of the cleaning head, and the purpose of online cleaning of the spray gun can be realized through the treatment, so that the shutdown and production halt are not needed.
Description
Technical Field
The invention relates to flue atomization treatment, in particular to an online self-cleaning spray gun and a desulfurization wastewater zero-discharge system.
Background
Because the industrial flue gas pipeline generally contains a lot of dust, the long-term use of the spray gun in the flue can cause the condition of dust deposition, and finally the spray gun can be incrusted and agglomerated.
Conventional spray gun only fixes and sprays on the flue, and the nozzle can not carry out automatic clearance, so in case deposition or caking of conventional spray gun, just only artifical manual extraction comes out inspection, manual clearance, and is very troublesome, if do not in time extract the spray gun and clear up, can lead to nozzle department to block up, can't spray, can not reach the requirement of technology use, can lead to a large amount of caking of flue wall when the condition is serious moreover, causes industrial accident.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an online self-cleaning spray gun and a desulfurization wastewater zero-discharge system.
The invention is realized by the following steps:
the invention provides an online self-cleaning spray gun which comprises a spray gun barrel, a nozzle arranged at one end of the spray gun barrel and a cleaning assembly, wherein the cleaning assembly comprises a cleaning rod and a cleaning head capable of moving along the length direction of the spray gun barrel, the cleaning head is arranged at the end part of the cleaning rod close to one side of the nozzle, the cleaning head comprises an installation part, a scraper part and a brushing part, the scraper part and the brushing part are both positioned on the installation part, the installation part is connected with the cleaning rod, the scraper part is provided with a first channel for the nozzle to pass through, and the first channel is a knife edge capable of scraping dust and dirt on the surface of the nozzle.
Further, the cleaning head still includes clearance portion, the scraper portion is located clearance portion with between the portion is swept to the brush, and the three sets gradually along the direction of movement of cleaning head, clearance portion including install in a plurality of scale breaking pieces on the installation department, each the perpendicular to is followed to the scale breaking piece the direction of movement of cleaning head interval distribution in proper order, and be located two in the middle be formed with the second passageway that supplies the nozzle to pass between the scale breaking piece, first passageway with the coaxial setting in second passageway.
Further, the brush sweeping part comprises a plurality of groups of steel wire brushes arranged on the mounting part, and each steel wire brush is enclosed to form a third channel for the nozzle to pass through.
Further, the cleaning device also comprises an air cylinder capable of pushing the cleaning rod to move linearly.
Further, still include the mounting panel that can install on the flue, the cylinder install in the mounting panel deviates from the one side of flue, clean pole passes the installation department with the cylinder is connected.
Furthermore, the surface of the mounting plate on one side facing the flue is provided with a sealing groove and a cover cap, the pressure plate of the sealing groove is sequentially penetrated by the cleaning rod, and the sealing groove is internally provided with a sealing ring for sealing the cleaning rod.
Further, the lance tube passes through the mounting plate, and the liquid inlet of the lance tube and the air cylinder are located on the same side of the mounting plate.
Further, a bracket is included, the bracket being disposed on the barrel, the cleaning rod passing through the bracket.
Further, the bracket is provided with a plurality of brackets, and a buffer pad for limiting the excessive movement of the cleaning head is arranged on the bracket close to the nozzle.
The embodiment of the invention also provides a desulfurization wastewater zero-discharge system which comprises a high-temperature flue and a desulfurization tower, wherein the high-temperature flue is connected with the desulfurization tower, the desulfurization wastewater concentration device and an agglomeration complexing agent preparation device are also included, the desulfurization wastewater concentration device is used for concentrating desulfurization wastewater generated by the desulfurization tower in the desulfurization wastewater concentration device, the desulfurization wastewater concentrated by the desulfurization wastewater concentration device is introduced into the agglomeration complexing agent preparation device to prepare an agglomeration composite solution, and the agglomeration composite solution is sprayed into the high-temperature flue through the spray gun.
The invention has the following beneficial effects:
in the spray gun, the cleaning assembly is arranged on the spray gun tube, the cleaning head can be pushed to move linearly along the spray gun tube through the cleaning rod, when the spray nozzle passes through the first channel, the scraper part can scrape scales on the surface of the spray nozzle, in addition, the brushing part can clean the scraped surface of the spray nozzle, and the repeated cleaning of the scales on the surface of the spray nozzle can be realized through reciprocating movement, so that the aim of cleaning the spray gun on line can be fulfilled. In addition, the spray gun with the structure has no requirements on the size and the shape of the flue, and is convenient to install and good in cleaning effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an online self-cleaning spray gun according to an embodiment of the present invention;
FIG. 2 is a front view of an on-line self-cleaning spray gun according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cleaning head of an online self-cleaning spray gun according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an in-line self-cleaning spray gun according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a desulfurization wastewater zero discharge system provided by an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an online self-cleaning spray gun 1 for spraying desulfurization waste water, which can extend into a flue 3, includes a spray gun tube 11, a spray nozzle 12 and a cleaning assembly 13, wherein the spray nozzle 12 is installed at one end of the spray gun tube 11, the spray gun tube 11 generally extends along a radial direction of the flue 3, an ejection direction of the spray nozzle 12 is a flue gas direction in the flue 3, the desulfurization waste water is ejected from the spray gun tube 11 to the spray nozzle 12, and the cleaning assembly 13 is also installed on the spray gun tube 11, and is mainly used for performing scale cleaning on the spray nozzle 12. Specifically, the cleaning assembly 13 includes a cleaning rod 131 and a cleaning head 132, the cleaning rod 131 is disposed parallel to the barrel 11, and the cleaning head 132 is disposed at one end of the cleaning rod 131, specifically, near one end of the nozzle 12, and can move along the length of the barrel 11 to clean the nozzle 12. The cleaning head 132 includes a mounting portion 133, a scraper portion 134 and a brush portion 135, the mounting portion 133 is a base of the cleaning head 132, the scraper portion 134 and the brush portion 135 are both located on the mounting portion 133, the mounting portion 133 is connected to the cleaning rod 131, the cleaning rod 131 pushes the cleaning head 132 to move linearly, the scraper portion 134 has a first channel 136, that is, during the linear movement of the cleaning head 132, the nozzle 12 can pass through the first channel 136, and the first channel 136 is a knife edge structure, and during the process that the nozzle 12 passes through the first channel 136, the first channel 136 can scrape off the dust and dirt on the surface of the nozzle 12. For the first channel 136, an inverted U-shaped structure is adopted, when the nozzle 12 enters the first channel 136, the first channel 136 is inverted on the nozzle 12, on one hand, dust and dirt accumulated on the surfaces of both sides of the nozzle 12 can be scraped, and also dust and dirt possibly accumulated on the top of the nozzle 12 can be scraped, and after the nozzle 12 passes through the first channel 136, the nozzle 12 enters the action area of the brush portion 135, and the brush portion 135 can brush and clean the surface of the nozzle 12. Of course, generally, the linear movement of the cleaning head 132 is a reciprocating movement, and the scraper portion 134 and the brush portion 135 clean the nozzle 12 a plurality of times in one cleaning cycle, thereby improving the cleaning efficiency. In the invention, the cleaning component 13 is matched with the spray gun pipe 11, and the cleaning head 132 can be controlled to move linearly along the spray gun pipe 11 according to requirements in the process of the spray gun 1, so that the aim of cleaning the scale on the surface of the spray nozzle 12 can be achieved, the online cleaning mode is adopted, the normal production activity cannot be influenced, and the scale is simple and effective. In addition, the cleaning head 132 can be started as required, and can also be automatically started at regular intervals by setting the working frequency, which is very convenient.
Referring to fig. 1 and 3, in order to optimize the above embodiment, the cleaning head 132 further includes a cleaning portion 137, and the cleaning portion 137, the scraper portion 134, and the brush portion 135 are sequentially disposed along a linear moving direction of the cleaning head 132, specifically, the brush portion 135 is close to a connection portion of the mounting portion 133 and the cleaning rod 131. The structure of the refining cleaning part 137 comprises a plurality of scale breaking sheets 138 arranged on the mounting part 133, each scale breaking sheet 138 is sequentially distributed at intervals along a linear moving direction perpendicular to the cleaning head 132, that is, a gap is formed between two adjacent scale breaking sheets 138, the distance between the two scale breaking sheets 138 in the middle is large, a second channel 139 for the nozzle 12 to pass through is formed between the two scale breaking sheets, and the first channel 136 and the second channel 139 are coaxially arranged. Two terminal surfaces of scale breaking piece 138 are the pointed end, and at rectilinear movement's in-process, the pointed end of scale breaking piece 138 can do benefit to and insert in the scale deposit, and then can reach the purpose of broken scale deposit, and all be provided with a plurality of scale breaking pieces 138 in the both sides of second passageway 139, and it is more convenient to the scale deposit clearance on nozzle 12 surface. In addition, the second channel 139 is also in an inverted U shape, that is, a plurality of scale breaking pieces 138 are also disposed on the top of the second channel 139, and certainly, the scale breaking pieces 138 on the top of the second channel 139 are also sequentially distributed at intervals, so that the scale on the top of the nozzle 12 can be broken. When the cleaning part 137 breaks the scales accumulated on the nozzle 12, the scraper part 134 can further scrape the scales on the surface of the nozzle 12, and finally the brush part 135 cleans the scales, so that only a small amount of scales on the surface of the nozzle 12 treated by the cleaning part 137 are not cleaned, and the surface scales can be conveniently treated by the scraper part 134. In this embodiment, the cleaning assembly 13 cleans the nozzle 12 in three steps, and the cleaning portion 137 is used to crush the deposited scale on the nozzle 12, so that most of the scale can be cleaned, the scraper portion 134 of the second step can scrape the scale on the surface of the nozzle 12 conveniently, and finally the brush portion 135 of the third step cleans the scale. Of course, since the cleaning head 132 reciprocates in a unit cleaning cycle, the cleaning portion 137, the scraper portion 134, and the brush portion 135 repeatedly perform the cleaning process on the nozzle 12 in sequence, thereby ensuring the cleaning effect.
Referring to fig. 2 and 3, the structure of the refined brush sweeping part 135 includes a plurality of sets of wire brushes 1310, preferably three sets, each set of wire brushes 1310 encloses to form a third channel 1311, and the third channel 1311 is also in an inverted U shape, specifically, a set of wire brushes 1310 is respectively disposed on both sides of the nozzle 12, and a set of wire brushes 1310 is disposed on the top of the nozzle 12. The wire brush 1310 can sweep away the scale and slag after the two steps of treatment, and can also brush out the uncleaned scale on the surface of the nozzle 12.
Referring to fig. 1 and 4, in another embodiment of the present invention, the spray gun 1 further includes an air cylinder 14, and the cleaning rod 131 is moved linearly by the air cylinder 14, so as to move the cleaning head 132 relative to the spray gun tube 11. Of course, the air cylinder 14 can be replaced by other driving structures, such as an oil cylinder or a screw drive, which can control the cleaning rod 131 to move linearly.
Referring to fig. 4 and 5, in a preferred embodiment, the spray gun 1 further comprises a mounting plate 15, and the spray gun 1 is integrally mounted on the flue 3 through the mounting plate 15. Specifically, the flue 3 is provided with a mounting hole, the mounting plate 15 blocks the mounting hole, the lance pipe 11 and the cleaning rod 131 penetrate through the mounting plate 15, one end of the lance pipe 11 with the nozzle 12 is positioned at the inner side of the flue 3, and the liquid inlet of the lance pipe is positioned at the outer side of the flue 3; similarly, the end of the cleaning rod 131 corresponding to the cleaning head 132 is located inside the flue 3, and the end connected to the cylinder 14 is located outside the flue 3, that is, the cylinder 14 is installed on the side of the mounting plate 15 away from the flue 3.
Continuing to optimize the above embodiment, since the cleaning rod 131 needs to move linearly, a movable seal should be formed between the cleaning rod 131 and the mounting plate 15, the movable seal means that when the cleaning rod 131 moves relative to the mounting plate 15, a better sealing effect is also formed between the cleaning rod 131 and the mounting plate 15. Specifically, a sealing groove and a pressing plate 16 are arranged on one side surface of the mounting plate 15 facing the flue 3, the sealing groove corresponds to a position where the cleaning rod 131 penetrates through the mounting plate 15, the pressing plate 16 covers the sealing groove, so that the sealing groove is a relatively sealed space, a sealing ring 17 is arranged in the sealing groove, and the pressing plate 16 can position the sealing ring 17. Thus, when the cleaning rod 131 is mounted on the mounting plate 15, the cleaning rod 131 passes through the pressure plate 16, the seal ring 17 and the mounting plate 15 in sequence, wherein the seal ring 17 can realize movable sealing between the cleaning rod 131 and the mounting plate 15.
Referring to fig. 1 and 5, further, a bracket 18 is provided on the lance tube 11, and a cleaning rod 131 passes through the bracket 18. The bracket 18 can form a mounting support for the cleaning rod 131 to ensure the smoothness of the linear movement of the cleaning rod 131 on one hand, and can form a relative sliding with the cleaning rod 131 on the other hand. Generally, the support 18 is provided in plurality, and each support 18 is spaced apart from the lance tube 11 along the length direction thereof, and is located on the side of the lance tube 11 corresponding to the inner side of the flue 3. In a preferred embodiment, a buffer pad may be provided on the bracket 18 closest to the nozzle 12, and of course, on a side surface of the bracket 18 facing the nozzle 12, so that when the cleaning head 132 moves linearly to a side of the cylinder 14, the buffer pad may form a buffer structure between the cleaning head 132 and the bracket 18 to limit excessive movement of the cleaning head 132, and the cleaning head 132 collides directly with the bracket 18, and a high temperature resistant material may be used for the buffer pad.
Referring to fig. 1, an embodiment of the present invention further provides a desulfurization wastewater zero discharge system, which includes a high temperature flue 3, a desulfurization tower 2, and a concentration device 8, where the high temperature flue 3 is connected to the desulfurization tower 2, and high temperature flue gas in the high temperature flue 3 enters the desulfurization tower 2 to be subjected to wet desulfurization, so as to generate desulfurization wastewater, and generally, the high temperature flue 3 leads out high temperature flue gas generated in a boiler 31 or a kiln, and the high temperature flue gas is subjected to denitration treatment by a denitration device 34, treatment by an air preheater 33, a dust remover 35, and the like, then enters the desulfurization tower 2 to be treated, and finally is discharged to the external atmosphere by a chimney 32. Wherein the liquid outlet and the enrichment facility 8 intercommunication of desulfurizing tower 2, the leading-in enrichment facility 8 of desulfurization waste water that desulfurizing tower 2 produced is concentrated, and the concentrated back desulfurization waste water of enrichment facility 8 exhaust can spout into high temperature flue 3 through foretell spray gun 1 in, carries out the evaporative crystallization through the high temperature flue gas in the high temperature flue 3, and the gas of the 8 exhalations of enrichment facility enters into in desulfurizing tower 2 again. In the invention, the desulfurization waste water concentrated by the concentration tower 4 is sprayed into the high-temperature flue 3 by using the spray gun 1, before the concentrated desulfurization waste water is sprayed into the high-temperature flue 3, the desulfurization waste water flows into the triple box 5 firstly, the desulfurization waste water is precipitated and purified in the clarification tank 51 of the triple box 5, the precipitate in the clarification tank 51 is treated by the filter press 6 and then is specially treated, for example, the precipitate is transported by a truck, and the supernatant in the clarification tank 51 can be sprayed into the high-temperature flue 3 for evaporation and crystallization. Therefore, zero emission of the desulfurization wastewater can be realized in the whole process.
Further, the zero discharge system further comprises an agglomeration complexing agent preparation device 7, the desulfurization wastewater discharged by the concentration device 8 is treated by the triple box 5 and then is guided into the agglomeration complexing agent preparation device 7, namely, supernatant of a clarification tank 51 in the triple box 5 is guided into the agglomeration complexing agent preparation device 7, the desulfurization wastewater and the agglomeration complexing agent are mixed according to the mass percentage to prepare an agglomeration complexing solution, then the agglomeration complexing solution is sprayed into a high-temperature flue 3 by a spray gun 1, wherein the high-temperature flue 3 is positioned in front of a dust remover 35 and is a high-temperature flue 3 between a boiler 31 or a kiln and the dust remover 35, and specifically, the spray guns 1 are arranged in the front high-temperature flue 3 and the rear high-temperature flue 3 of the denitration device 34, and the agglomeration complexing solution is sprayed into the de-agglomeration complexing agent preparation device 7In the front flue and the rear flue of the denitration device 34, the temperature of the high-temperature flue gas in the high-temperature flue 3 in front of the denitration device 34 can reach 400-500 ℃, the temperature of the high-temperature flue gas in the high-temperature flue 3 after the denitration device 8 is removed can reach 330-360 ℃, when the agglomerated composite solution is sprayed into the high-temperature flue 3 in the temperature range, the agglomerated composite solution can be evaporated at the highest speed, and water is evaporated into steam which enters the dust remover 35 or the desulfurization tower 2 along with the flue gas or is discharged into the atmosphere. Most of various salts in the agglomerated composite liquid enter the dust remover 35 along with the fly ash to be collected, and a very small part of various salts enter the desulfurizing tower 2 (negligible). Wherein the agglomerated composite solution can inhibit the activity of Cl ions in the desulfurization wastewater, solve the corrosion problem of the desulfurization wastewater to the high-temperature flue 3 and equipment due to evaporation in the high-temperature flue 3, and capture SO in the high-temperature flue gas 3 Or other particulate matter to purify the high temperature flue gas. Based on the situation, the air preheater 33 in the flue behind the denitration device 34 can adopt the low-cost material Q355, so that the corrosion prevention cost is lower.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an online automatically cleaning spray gun, includes the spray gun pipe and set up in the nozzle of spray gun pipe one end, its characterized in that: the cleaning assembly comprises a cleaning rod and a cleaning head capable of moving along the length direction of the spray gun tube, the cleaning head is arranged at the end part of the cleaning rod close to one side of the nozzle, the cleaning head comprises an installation part, a scraper part and a brushing part, the scraper part and the brushing part are both positioned on the installation part, the installation part is connected with the cleaning rod, the scraper part is provided with a first channel for the nozzle to pass through, and the first channel is a knife edge capable of scraping dirt on the surface of the nozzle; the cleaning head still includes clearance portion, scraper portion is located clearance portion with between the portion is swept to the brush, and the three sets gradually along the moving direction of cleaning head, clearance portion including install in a plurality of scale breaking pieces on the installation department, each the perpendicular to is followed to the scale breaking piece the moving direction of cleaning head interval distribution in proper order, and be located two in the middle of being formed with the second passageway that supplies the nozzle to pass between the scale breaking piece, first passageway with the coaxial setting of second passageway.
2. The in-line self-cleaning spray gun of claim 1 wherein: the brush sweeping part comprises a plurality of groups of steel wire brushes arranged on the mounting part, and each steel wire brush is enclosed to form a third channel for the nozzle to pass through.
3. An in-line self-cleaning spray gun as recited in claim 1 wherein: the cleaning device also comprises an air cylinder capable of pushing the cleaning rod to move linearly.
4. An in-line self-cleaning spray gun as recited in claim 3 wherein: still including installing the mounting panel on the flue, the cylinder install in one side that the mounting panel deviates from the flue, clean pole passes the installation department with the cylinder is connected.
5. An in-line self-cleaning spray gun as claimed in claim 4 wherein: the mounting panel is provided with seal groove and shroud towards the surface of flue one side the clamp plate of seal groove, clean pole passes in proper order the clamp plate with the mounting panel, and in be provided with in the seal groove and seal clean pole's sealing washer.
6. The in-line self-cleaning spray gun of claim 4 wherein: the spray gun pipe passes the mounting panel, just the inlet of spray gun pipe with the cylinder is located same one side of mounting panel.
7. An in-line self-cleaning spray gun as recited in claim 1 wherein: still include the support, the support is installed on the spray gun pipe, the cleaning rod passes through the support.
8. An in-line self-cleaning spray gun as claimed in claim 7 wherein: the cleaning head comprises a cleaning head body, a nozzle is arranged on the cleaning head body, a plurality of supports are arranged on the cleaning head body, and a buffer pad for limiting the excessive movement of the cleaning head is arranged on the support close to the nozzle.
9. The utility model provides a desulfurization waste water zero discharge system, includes high temperature flue and desulfurizing tower, the high temperature flue with the desulfurizing tower is connected, its characterized in that: the desulfurization waste water generated by the desulfurization tower enters the desulfurization waste water concentration device for concentration treatment, the desulfurization waste water concentrated by the desulfurization waste water concentration device is introduced into the agglomeration complexing agent preparation device to prepare an agglomeration complexing solution, and the agglomeration complexing solution is sprayed into the high-temperature flue through the spray gun of any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111249857.3A CN114178101B (en) | 2021-10-26 | 2021-10-26 | Online self-cleaning spray gun and desulfurization wastewater zero discharge system |
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| CN202111249857.3A CN114178101B (en) | 2021-10-26 | 2021-10-26 | Online self-cleaning spray gun and desulfurization wastewater zero discharge system |
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| CN114178101A CN114178101A (en) | 2022-03-15 |
| CN114178101B true CN114178101B (en) | 2023-04-07 |
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| CN114558835B (en) * | 2022-04-02 | 2022-09-20 | 广东嘉元科技股份有限公司 | Automatic cleaning device for external crystallization of nozzle for copper foil washing process |
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| JP3973578B2 (en) * | 2003-03-10 | 2007-09-12 | 東京応化工業株式会社 | Nozzle cleaning device |
| CN202822871U (en) * | 2012-07-18 | 2013-03-27 | 浙江丽水有邦新材料有限公司 | Standing liquid separating kettle |
| CN104624533B (en) * | 2015-02-03 | 2017-07-04 | 谭海新 | A kind of hydraulic jack driving drilling-rod external wall cleaning equipment |
| CN209042212U (en) * | 2018-10-31 | 2019-06-28 | 江苏永电太阳能照明有限公司 | A kind of adjustable LED solar street light of brightness |
| CN109638755B (en) * | 2018-12-17 | 2020-07-28 | 贵州电网有限责任公司 | Composite deicing and dewatering cutter for deicing robot of high-voltage transmission line |
| CN209985925U (en) * | 2019-05-05 | 2020-01-24 | 西南石油大学 | Marine oil production pipe scale removal device |
| CN210676230U (en) * | 2019-07-19 | 2020-06-05 | 武汉天空蓝环保科技有限公司 | Anti-scaling spray gun for agglomeration dust removal system |
| CN112547387B (en) * | 2020-12-03 | 2021-11-16 | 武汉天空蓝环保科技有限公司 | Spray gun with automatic cleaning function and desulfurization waste water zero discharge system |
| CN113145362B (en) * | 2021-01-04 | 2023-08-04 | 武汉天空蓝环保科技有限公司 | Spray gun capable of being cleaned online and desulfurization wastewater zero-emission system |
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