CN216878751U - SER equipment with spray gun cooling mechanism - Google Patents

SER equipment with spray gun cooling mechanism Download PDF

Info

Publication number
CN216878751U
CN216878751U CN202220245487.XU CN202220245487U CN216878751U CN 216878751 U CN216878751 U CN 216878751U CN 202220245487 U CN202220245487 U CN 202220245487U CN 216878751 U CN216878751 U CN 216878751U
Authority
CN
China
Prior art keywords
cooling
pipe
output section
ser
spray gun
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.)
Active
Application number
CN202220245487.XU
Other languages
Chinese (zh)
Inventor
陈壁
陈镖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huaming Environmental Protection Technology Co ltd
Original Assignee
Shenzhen Huaming Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Huaming Environmental Protection Technology Co ltd filed Critical Shenzhen Huaming Environmental Protection Technology Co ltd
Priority to CN202220245487.XU priority Critical patent/CN216878751U/en
Application granted granted Critical
Publication of CN216878751U publication Critical patent/CN216878751U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Nozzles (AREA)

Abstract

The utility model discloses an SER (serial-exchange-machine) device with a spray gun cooling mechanism, wherein the SER device with the spray gun cooling mechanism comprises a spray gun, a cooling pipe, a first branch pipe and a hearth; the spray gun comprises a main pipe body, wherein the main pipe body comprises an input section and an output section which are communicated with each other, and a denitration agent enters the output section from the input section and is then output outwards from the output section; the cooling pipe is sleeved on the output section, the inner circumferential surface of the cooling pipe and the outer circumferential surface of the output section are arranged at intervals, the cooling pipe extends along the axial direction of the output section, and a gap between the cooling pipe and the main pipe body is used for allowing air to pass through; the first branch pipe is communicated with the cooling pipe and used for guiding air into the cooling pipe; the cooling pipe is arranged in the hearth, and the output section extends into the hearth. The technical scheme of the utility model reduces the temperature of the spray gun during working so as to prolong the service life of the spray gun.

Description

SER equipment with spray gun cooling mechanism
Technical Field
The utility model relates to the technical field of denitration and desulfurization, in particular to SER equipment with a spray gun cooling mechanism.
Background
In industrial production, various pollutant-containing gases are generated in the fuel combustion and production processes, and the gases are harmful to the environment, so a SER denitration device is needed to remove the pollutant-containing gases so as to prevent the environment from being polluted. At present, the denitration agent required by purification of common SER denitration equipment is distributed to a spray gun through a distributor, and one end part of the spray gun extends into a hearth to convey the denitration agent to participate in reaction, but the incineration temperature in the hearth is too high, the heat resistance of the conventional spray gun is poor, the conventional spray gun is difficult to work under the condition of high temperature, the spray gun is deformed after long-term use, the service life of the spray gun is influenced, and even safety accidents occur, so that a cooling mechanism is urgently needed to cool the spray gun.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide SER equipment with a spray gun cooling mechanism, which aims to reduce the temperature of a spray gun during operation so as to prolong the service life of the spray gun.
In order to achieve the above object, the present invention provides a SER apparatus with a lance cooling mechanism, comprising:
the spray gun comprises a main pipe body, wherein the main pipe body comprises an input section and an output section which are communicated with each other, and a denitration agent enters the output section from the input section and is then output outwards from the output section;
the cooling pipe is sleeved on the output section, the inner circumferential surface of the cooling pipe and the outer circumferential surface of the output section are arranged at intervals, the cooling pipe extends along the axial direction of the output section, and a gap between the cooling pipe and the main pipe body is used for allowing air to pass through;
the first branch pipe is communicated with the cooling pipe and used for guiding air into the cooling pipe; and
the cooling pipe is arranged in the hearth, and the output section extends into the hearth.
Optionally, a gap between the cooling pipe and the main pipe body is greater than or equal to 4 mm and less than or equal to 6 mm.
Optionally, the clearance between the cooling pipe and the main pipe body is 5 mm.
Optionally, the first branch pipe and the cooling pipe are connected at an angle, and an included angle between an axis of the first branch pipe and an axis of the cooling pipe is greater than or equal to 120 degrees and less than or equal to 150 degrees.
Optionally, the included angle between the axis of the first branch pipe and the axis of the cooling pipe is 150 degrees.
Optionally, the first leg is welded to the cooling tube.
Optionally, the first branch pipe and the cooling pipe are integrally formed.
Optionally, the furnace is further provided with a mounting opening, the cooling pipe is communicated with the mounting opening, and one end, far away from the furnace, of the cooling pipe is detachably connected to the furnace.
Optionally, the SER equipment with the spray gun cooling mechanism further comprises an air pump and a connecting pipe connected with an air outlet of the air pump, wherein one end of the connecting pipe, which is far away from the air pump, is provided with an internal thread, one end of the first branch pipe, which is far away from the cooling pipe, is provided with an external thread, and the connecting pipe is in threaded connection with the first branch pipe.
Optionally, the SER apparatus with the lance cooling mechanism further comprises a bin and a distributor, the distributor is communicated with the input section of the main pipe body, the bin is communicated with the distributor, the bin is used for storing the denitrating agent, and the distributor is used for conveying the denitrating agent to the main pipe body.
According to the technical scheme, the cooling pipe is arranged outside the main pipe body and is communicated with the first branch pipe, the first branch pipe is used for conveying air into the cooling pipe, and the input air is used for cooling the peripheral surface of the output section of the main pipe body. Set up like this and can continue to carry out cooling treatment for the outer peripheral face of being responsible for the body output section to reduce the spray gun temperature at the during operation, reduce the speed that the spray gun takes place the metal corrosion, thereby increase the life of spray gun in the SER denitration device.
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 structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a SER apparatus with a lance cooling mechanism according to the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
10 Main pipe body 101 Input section
102 Output section 103 Air inlet end
104 Discharge end 11 Cooling pipe
12 First branch pipe 13 Hearth box
14 Feeding branch pipe
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides SER equipment with a spray gun cooling mechanism.
In the embodiment of the utility model, as shown in fig. 1, the SER equipment with the spray gun cooling mechanism comprises a spray gun, a cooling pipe 11, a first branch pipe 12 and a hearth 13; the spray gun comprises a main pipe body 10, wherein the main pipe body 10 comprises an input section 101 and an output section 102 which are communicated, and a denitration agent enters the output section 102 from the input section 101 and then is output outwards from the output section 102; the cooling pipe 11 is sleeved on the output section 102, the inner circumferential surface of the cooling pipe 11 and the outer circumferential surface of the output section 102 are arranged at intervals, the cooling pipe 11 extends along the axial direction of the output section 102, and a gap between the cooling pipe 11 and the main pipe body 10 is used for air to pass through; the first branch pipe 12 is communicated with the cooling pipe 11, and the first branch pipe 12 is used for guiding air into the cooling pipe 11; the cooling tubes 11 are mounted in the furnace 13, and the output section 102 extends into the furnace 13.
Wherein, furnace 13 is used for carrying out denitration treatment to harmful flue gas, and the inside operating temperature of furnace 13 is higher, and the output section 102 of being responsible for the body 10 need stretch into furnace 13 and carry denitrifier to make denitrifier participate in denitration treatment more high-efficiently, nevertheless be responsible for the body 10 and take place metal corrosion easily under long-time high temperature operational environment, lead to being responsible for body 10 and damage, reduce the life who is responsible for body 10.
According to the technical scheme, the cooling pipe 11 is arranged outside the main pipe body 10, the cooling pipe 11 is communicated with the first branch pipe 12, the first branch pipe 12 is used for conveying air into the cooling pipe 11, and the input air is used for cooling the outer peripheral surface of the output section 102 of the main pipe body 10. The arrangement can continuously perform cooling treatment on the outer peripheral surface of the output section 102 of the main pipe body 10, so that the temperature of the spray gun during working is reduced, the metal corrosion speed of the spray gun is reduced, and the service life of the spray gun in the SER denitration equipment is prolonged.
In one embodiment, the clearance between the cooling tube 11 and the main tube 10 is greater than or equal to 4 mm and less than or equal to 6 mm.
Specifically, the clearance of the cooling tube 11 from the main tube body 10 may be 4 mm, 5 mm, or 6 mm; in the embodiment in which the gap between the cooling pipe 11 and the main pipe body 10 is greater than 6 mm, the volume of air that can pass through the gap between the main pipe body 10 and the cooling pipe 11 is large, and after the air enters the cooling pipe 11, because the gap is large, the air flow rate is small, and the cooling effect is poor; in the embodiment in which the gap between the cooling pipe 11 and the main pipe body 10 is less than 4 mm, the volume of air circulating in the gap is small, and the cooling effect is poor; therefore, in the present embodiment, the clearance between the cooling pipe 11 and the main pipe 10 is greater than or equal to 4 mm and less than or equal to 6 mm. This arrangement can increase the cooling performance at the gap between the cooling pipe 11 and the main pipe body 10, so that the cooling effect is better. In other embodiments, the clearance between the cooling tube 11 and the main tube 10 is greater than or equal to 7 mm and less than or equal to 9 mm.
In one embodiment, the clearance between the cooling tube 11 and the main tube 10 is 5 mm.
Specifically, in the present embodiment, the gap between the cooling pipe 11 and the main pipe body 10 depends on the diameter of the cooling pipe 11, the larger the diameter of the cooling pipe 11, the higher the production cost is required, and the gap between the cooling pipe 11 and the main pipe body 10 is set to 5 mm. The arrangement can ensure that the flow speed and the flow of the air in the cooling pipe 11 are larger, namely the cooling effect of the cooling pipe 11 on the main pipe body 10 is better, and meanwhile, certain production cost can be saved. In other embodiments, the cooling tube 11 is spaced 6 mm from the main tube 10.
In one embodiment, the first branch pipe 12 and the cooling pipe 11 are connected at an angle, and the included angle between the axis of the first branch pipe 12 and the axis of the cooling pipe 11 is greater than or equal to 120 degrees and less than or equal to 150 degrees.
Specifically, the first branch pipe 12 and the cooling pipe 11 are connected at an angle which is greater than or equal to 120 degrees and less than or equal to 150 degrees, the angles in the range are larger and greater than 90 degrees, and the turning degree of the first branch pipe 12 relative to the cooling pipe 11 is smaller. When the air enters the main pipe body 10 from the first branch pipe 12, the larger the connection angle between the cooling pipe 11 and the first branch pipe 12 is, the more smoothly the air flows in the cooling pipe 11 from the first branch pipe 12, so that the flow speed of the air can be increased, and the cooling of the output section 102 of the main pipe body 10 is accelerated. In other embodiments, the included angle between the axis of the first branch pipe 12 and the axis of the cooling pipe 11 is greater than or equal to 90 degrees, and less than or equal to 110 degrees.
In one embodiment, the axis of the first branch pipe 12 and the axis of the cooling pipe 11 form an angle of 150 degrees.
Specifically, the angle between the axis of the first branch pipe 12 and the axis of the cooling pipe 11 may be 120 degrees, 125 degrees, 130 degrees, 135 degrees, 140 degrees, 145 degrees or 150 degrees; in the present embodiment, the angle between the axis of the first branch pipe 12 and the axis of the cooling pipe 11 is 150 degrees. In the embodiment with the included angle smaller than 150 degrees, after the air enters the cooling pipe 11 from the first branch pipe 12, because the included angle is smaller, part of the air is difficult to flow to the end of the output section 102 of the main pipe body 10, so that the flow rate of the air flowing to the end of the output section 102 is smaller, and the cooling effect is poor; in the embodiment where the included angle is greater than 150 degrees, after the air enters the cooling pipe 11 from the first branch pipe 12, the included angle is too large, so that the pressure of the air is small, that is, the flow rate of the air in the cooling pipe 11 is low, and the cooling effect is poor. The arrangement can ensure that the flow speed and the flow of the air in the cooling pipe 11 are larger, namely the cooling effect of the cooling pipe 11 on the main pipe body 10 is better. In other embodiments, the axis of the first branch pipe 12 and the axis of the cooling pipe 11 form an angle of 120 degrees.
In an embodiment, the first leg 12 is welded to the cooling tube 11.
Specifically, the first branch pipe 12 is welded to the cooling pipe 11 in this manner, so that the manufacturing cost can be reduced, the welding is more flexible, and the orientation of the first branch pipe 12 can be determined more favorably. In other embodiments, the first branch pipe 12 and the cooling pipe 11 are connected by heat fusion.
In one embodiment, the first branch pipe 12 is integrally formed with the cooling pipe 11.
Specifically, the first branch pipe 12 and the cooling pipe 11 are integrally cast and molded by using the same mold. Set up like this and only need design a mould and carry out the shaping, can first branch pipe 12 and cooling tube 11 outside can not have the connection gap to increase cooling tube 11's leakproofness, thereby guarantee that the air can not outwards spill, can save manufacturing cost simultaneously. In other embodiments, the first branch pipe 12 and the cooling pipe 11 are integrally injection-molded.
In one embodiment, the furnace 13 is further provided with a mounting opening, the cooling pipe 11 is communicated with the mounting opening, and one end of the cooling pipe 11 far away from the furnace 13 is detachably connected to the furnace 13.
Specifically, in this embodiment, the end of the cooling pipe 11 close to the furnace 13 is provided with a first flange, the mounting opening is provided with a second flange and a locking member, the first flange abuts against the second flange, and the locking member sequentially passes through the first flange and the second flange and then locks the first flange and the second flange. With the arrangement, the cooling pipe 11 is fixed on the hearth 13, and when the main pipe body 10 is extended into or taken out of the hearth 13, the cooling pipe 11 cannot move along with the movement of the main pipe body 10, so that the installation stability of the cooling pipe 11 is improved; when the cooling tube 11 takes place to damage simultaneously, can pull down cooling tube 11 fast in order to change or maintain, increased the convenient degree of dismouting of cooling tube 11. In other embodiments, the cooling tubes 11 are welded to the furnace 13.
In an embodiment, the SER device with the spray gun cooling mechanism further comprises an air pump and a connecting pipe connected with an air outlet of the air pump, wherein an internal thread is arranged at one end of the connecting pipe, which is far away from the air pump, an external thread is arranged at one end of the first branch pipe 12, which is far away from the cooling pipe 11, and the connecting pipe is in threaded connection with the first branch pipe 12.
Specifically, the air pump is used for compressing and accelerating air, and the connecting pipe is used for guiding the compressed and accelerated air into the first branch pipe 12, and then the compressed and accelerated air is input into the cooling pipe 11 through the first branch pipe 12 to cool the output section 102 of the main pipe 10. The cooling performance of the cooling pipe 11 on the output section 102 of the main pipe body 10 can be improved by the arrangement, so that the cooling effect is better, and the first branch pipe 12 and the connecting pipe are connected in a threaded manner, so that the assembly and disassembly are more convenient. In other embodiments, the SER apparatus with the spray gun cooling mechanism further comprises an air pump, a connecting pipe connected to an air outlet of the air pump, and a connecting clamp, wherein the connecting pipe is sleeved on the first branch pipe 12, the connecting clamp is sleeved on the connecting pipe and located at a connecting position of the connecting pipe and the first branch pipe 12, and the connecting clamp is screwed to fix the connecting pipe and the first branch pipe 12.
In an embodiment, the SER apparatus with the lance cooling mechanism further includes a bin and a distributor, the input section 101 of the main pipe body 10 is communicated with the distributor, the bin is used for storing the denitrating agent, and the distributor is used for conveying the denitrating agent to the main pipe body 10.
Specifically, the distributor is provided with a plurality of branch pipes, the distributor evenly distributes the denitrifying agent to the branch pipes, the SER equipment with the spray gun cooling mechanism further comprises a plurality of spray guns, a plurality of cooling pipes 11, a plurality of first branch pipes 12 and a plurality of hearths 13, each branch pipe is communicated with one spray gun, one spray gun is communicated with one hearths 13, the denitrifying agent enters the distributor from a bin, then enters the spray guns from the branch pipes of the distributor, and finally the denitrifying agent is output to the hearths 13 through the spray guns. The denitration treatment efficiency of the SER equipment with the spray gun cooling mechanism can be improved by the arrangement. In other embodiments, the dispenser is provided with a manifold.
In one embodiment, the SER apparatus with lance cooling mechanism comprises a feed manifold 14; one end of the main pipe body 10 is configured as an air inlet end 103, the other end is configured as an air outlet end 104, and the air inlet end 103 is used for leading in material suction airflow; the feeding branch pipe 14 is connected with the main pipe body 10 at an angle, the feeding branch pipe 14 extends towards one side far away from the discharging end 104, the feeding branch pipe 14 is communicated with the main pipe body 10, and a feeding end 141 is arranged at one end of the feeding branch pipe 14 far away from the main pipe body 10; the denitrifier is introduced from the feed end 141 and ejected from the discharge end 104 by the suction gas flow.
Specifically, a feeding branch pipe 14 is communicated with the main pipe 10, the feeding branch pipe 14 is connected with the main pipe 10 at an angle, the air inlet end 103 of the main pipe 10 introduces a suction air flow, the suction air flow is air in this embodiment, the air conveys the denitration agent in the main pipe 10 to the discharge end 104, when the denitration agent is input from the feeding end 141 of the feeding branch pipe 14, an air pressure difference is generated between the main pipe 10 and the feeding branch pipe 14, the air flow rate in the main pipe 10 is greater than the air flow rate in the feeding branch pipe 14, that is, the denitration agent flows along with the air in the main pipe 10 and is conveyed to the discharge end 104, so that negative pressure feeding can be formed, the conveying speed of the denitration agent in the main pipe 10 can be increased, and the efficiency of denitration treatment can be further increased.
In one embodiment, the angle between the axis of the feeding branch 14 and the axis of the main pipe 10 is greater than or equal to 120 degrees and less than or equal to 150 degrees.
Specifically, the feeding branch pipe 14 is connected to the main pipe 10 at an angle greater than or equal to 120 degrees and less than or equal to 150 degrees, the angles in this range are larger and both are greater than 90 degrees, and the turning degree of the feeding branch pipe 14 relative to the main pipe 10 is smaller. Set up like this when the denitration agent gets into by feeding branch pipe 14 and be responsible for body 10, be responsible for body 10 and feeding branch pipe 14 the angle of being connected is bigger, and the denitration agent gets into by feeding branch pipe 14 and is responsible for the flow of body 10 and just more smooth, so can improve the entering rate of denitration agent to increase denitration treatment's efficiency. In other embodiments, the angle between the axis of the branch feeder tube 14 and the axis of the main tube 10 is greater than or equal to 90 degrees and less than or equal to 110 degrees.
In one embodiment, the axis of the feed leg 14 is at an angle of 150 degrees to the axis of the main tubular body 10.
Specifically, the angle between the axis of the feeding branch pipe 14 and the axis of the main pipe body 10 can be 120 degrees, 125 degrees, 130 degrees, 135 degrees, 140 degrees, 145 degrees or 150 degrees; in this embodiment, the axis of the feeding branch 14 and the axis of the main pipe 10 form an angle of 150 degrees. In the embodiment with the included angle smaller than 150 degrees, after the denitrating agent enters the main pipe body 10 from the feeding branch pipe 14, because the included angle is small, part of the denitrating agent is difficult to smoothly flow to the discharging end 104 of the main pipe body 10, and the conveying speed of the denitrating agent is slow, so that the denitration treatment efficiency is low; in the embodiment where the included angle is greater than 150 degrees, after the denitration agent enters the main pipe body 10 from the feeding branch pipe 14, the gas pressure difference inside and outside the main pipe body 10 is small due to the excessively large included angle, so that the denitration agent is conveyed smoothly, and the denitration treatment efficiency is low. The arrangement can increase the conveying speed of the denitration agent in the main pipe body 10, and further increase the efficiency of denitration treatment. In other embodiments, the axis of the feed leg 14 and the axis of the main tubular body 10 are angled at 120 degrees.
In an embodiment, the feed leg 14 is welded to the main tubular body 10.
Specifically, the inlet manifold 14 is welded to the primary pipe 10. Set up like this, can reduce the manufacturing cost of the spray gun of area acceleration structure, welded efficient simultaneously can save the production time of high temperature resistant spray gun.
In one embodiment, the feeding leg 14 is integrally formed with the main tube 10.
Specifically, the feeding branch pipe 14 and the main pipe body 10 are integrally cast, and the feeding branch pipe 14 and the main pipe body 10 are molded by using the same mold. The arrangement only needs to design one mold for casting, and a connecting gap can be avoided at the connecting part of the feeding branch pipe 14 and the main pipe body 10, so that the sealing performance of the main pipe body 10 can be improved, and meanwhile, the production cost can be saved. In other embodiments, the inlet manifold 14 and the main pipe body 10 are integrally injection molded.
In one embodiment, the diameter of the feed leg 14 is greater than or equal to 20 millimeters and less than or equal to 30 millimeters.
Specifically, the inner diameter of the feeding branch pipe 14 may be 20 mm, 25 mm or 30 mm, and in the embodiment, the inner diameter of the feeding branch pipe 14 is 25 mm, and the larger the inner diameter of the feeding branch pipe 14, the higher the production cost is. By the arrangement, certain production cost can be reduced while the conveying volume of the denitration agent is ensured. In other embodiments, the internal diameter of the feed leg 14 is greater than or equal to 31 millimeters and less than or equal to 40 millimeters.
In one embodiment, the wall thickness of the feed leg 14 is greater than or equal to 3 millimeters and less than or equal to 6 millimeters.
In particular, the wall thickness of the feed leg 14 may be 3 mm, 4 mm, 5 mm or 6 mm, with the greater the wall thickness, the better the corrosion and wear resistance of the feed leg 14, but at a higher economic cost. The arrangement has better economy while having corrosion resistance and wear resistance. In other embodiments, the wall thickness of the feed leg 14 is less than 3 mm and greater than or equal to 1 mm.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A SER apparatus with a lance cooling mechanism, comprising:
the spray gun comprises a main pipe body, wherein the main pipe body comprises an input section and an output section which are communicated with each other, and a denitration agent enters the output section from the input section and is then output outwards from the output section;
the cooling pipe is sleeved on the output section, the inner circumferential surface of the cooling pipe and the outer circumferential surface of the output section are arranged at intervals, the cooling pipe extends along the axial direction of the output section, and a gap between the cooling pipe and the main pipe body is used for allowing air to pass through;
the first branch pipe is communicated with the cooling pipe and used for guiding air into the cooling pipe; and
the cooling pipe is arranged in the hearth, and the output section extends into the hearth.
2. A SER apparatus with lance cooling mechanism as claimed in claim 1 wherein the clearance of the cooling tube from the main tube is greater than or equal to 4 mm and less than or equal to 6 mm.
3. A SER apparatus with lance cooling as claimed in claim 2 wherein the clearance of the cooling tube from the main tube body is 5 mm.
4. A SER apparatus with lance cooling as claimed in claim 1 wherein the first leg and the cooling tube are connected at an angle, the angle between the axis of the first leg and the axis of the cooling tube being greater than or equal to 120 degrees and less than or equal to 150 degrees.
5. A SER apparatus with a lance cooling mechanism as claimed in claim 4 wherein the angle between the axis of the first leg and the axis of the cooling tube is 150 degrees.
6. A SER apparatus with lance cooling as claimed in claim 1 wherein the first leg is welded to the cooling tube.
7. A SER apparatus with lance cooling as claimed in claim 1 wherein the first branch is provided integrally with the cooling tube.
8. A SER apparatus with lance cooling as set forth in claim 1 wherein said furnace is further provided with a mounting port, said cooling tube communicating with said mounting port, an end of said cooling tube remote from said furnace being removably attached to said furnace.
9. A SER device with a spray gun cooling mechanism according to claim 1, wherein the SER device with a spray gun cooling mechanism further comprises an air pump and a connecting pipe connected with an air outlet of the air pump, wherein an internal thread is arranged at one end of the connecting pipe far away from the air pump, an external thread is arranged at one end of the first branch pipe far away from the cooling pipe, and the connecting pipe is screwed with the first branch pipe.
10. A SER apparatus with lance cooling mechanism according to any of claims 1 to 9, wherein the SER apparatus with lance cooling mechanism further comprises a silo and a distributor, the input section of the main pipe body is in communication with the distributor, the silo is used for storing denitrating agent, and the distributor is used for conveying denitrating agent to the main pipe body.
CN202220245487.XU 2022-01-29 2022-01-29 SER equipment with spray gun cooling mechanism Active CN216878751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220245487.XU CN216878751U (en) 2022-01-29 2022-01-29 SER equipment with spray gun cooling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220245487.XU CN216878751U (en) 2022-01-29 2022-01-29 SER equipment with spray gun cooling mechanism

Publications (1)

Publication Number Publication Date
CN216878751U true CN216878751U (en) 2022-07-05

Family

ID=82183300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220245487.XU Active CN216878751U (en) 2022-01-29 2022-01-29 SER equipment with spray gun cooling mechanism

Country Status (1)

Country Link
CN (1) CN216878751U (en)

Similar Documents

Publication Publication Date Title
CA2557440A1 (en) Dual conduit fuel manifold for gas turbine engine
EP3832119A1 (en) Exhaust gas recirculation apparatus and engine system including such exhaust gas recirculation apparatus
CN216878751U (en) SER equipment with spray gun cooling mechanism
CN216878752U (en) Spray gun with acceleration structure and SER denitration equipment
US20110099974A1 (en) Reductant spray injector boss
CN112627951B (en) SCR rotational flow mixing tube
CN216878747U (en) Multi-section distributor and SER denitration equipment
CN216878656U (en) Large-flow-dividing-quantity distributor and SER denitration equipment
GB2599810A (en) Systems and methods for reductant delivery in aftertreatment systems for internal combustion engines
CN216878748U (en) Smooth and easy distributor of reposition of redundant personnel and SER denitration device
CN217092915U (en) Prevent stifled type distributor and SER denitration device
CN107470049B (en) Spray gun pipe with anti-vaporization function for desulfurization and denitrification
CN216879904U (en) High temperature resistant spray gun and SER denitration device
CN211500759U (en) Urea injection vaporizer of SCR diesel engine catalytic cleaner
CN114542293A (en) Fuel pipeline structure of gas turbine
CN217340810U (en) Desulfurization denitration is with high-efficient forced air cooling antidrip spray gun
CN220091036U (en) Ammonia water direct injection and hot air mixing device of sintering flue gas SCR denitration system
CN216878722U (en) Horn type spray gun and SER denitration device
CN208032849U (en) A kind of durable and efficient denitration spray gun
CN217119865U (en) Injection apparatus of polymer denitration agent
CN218707217U (en) Pneumatic conveying device and pneumatic conveying system
CN211675896U (en) Three-way joint
CN217312689U (en) Accelerating chamber and SER denitration device
CN214811803U (en) Flue spray gun for inhibiting dioxin
CN211753914U (en) Dual-adjustable dry powder ejector for desulfurization dust removal system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant