CN113713611B - High-temperature expansion arrangement structure of SCR denitration spray gun of gas turbine exhaust-heat boiler - Google Patents
High-temperature expansion arrangement structure of SCR denitration spray gun of gas turbine exhaust-heat boiler Download PDFInfo
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- CN113713611B CN113713611B CN202111098218.1A CN202111098218A CN113713611B CN 113713611 B CN113713611 B CN 113713611B CN 202111098218 A CN202111098218 A CN 202111098218A CN 113713611 B CN113713611 B CN 113713611B
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- sleeve
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- cleaning
- hardness
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- 239000007921 spray Substances 0.000 title claims abstract description 252
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000004140 cleaning Methods 0.000 claims description 70
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 44
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 44
- 239000012535 impurity Substances 0.000 claims description 38
- 230000017525 heat dissipation Effects 0.000 claims description 31
- 238000005507 spraying Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 25
- 238000000889 atomisation Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (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)
- Nozzles (AREA)
Abstract
The invention provides a high-temperature expansion arrangement structure of an SCR denitration spray gun of a gas turbine exhaust-heat boiler, which comprises a bracket mechanism, wherein the bracket mechanism is arranged in a flue, a plurality of spray guns are arranged on the flue, and one end of each spray gun is connected with the bracket mechanism. Therefore, the invention can solve the technical problems that the current spray gun in a high-temperature and high-speed environment cannot meet the use requirement only by the strength of the spray gun, and the spray gun is easy to bend sideways or even break without being provided with a bracket.
Description
Technical Field
The invention relates to the technical field of spray gun installation, in particular to a high-temperature expansion arrangement structure of an SCR denitration spray gun of a gas turbine exhaust-heat boiler.
Background
One ammonia spraying process of the SCR denitration of the exhaust-heat boiler of the gas turbine adopts a spray gun to directly spray ammonia water at an inlet flue of the exhaust-heat boiler, and the ammonia water is evaporated into ammonia gas by the temperature of the flue gas to participate in the denitration reaction. However, the temperature of the flue gas at the inlet of the waste heat boiler is about 600 ℃, the flow rate of the flue gas reaches 60-70 m/s, in order to ensure the uniformity of ammonia spraying as much as possible, the spray guns are generally arranged at different depths and different positions, and the diameter of the flue gas at the inlet of the waste heat boiler like a 9F unit is about 6m, if the nozzle of just one spray gun needs to extend to the central position, the spray gun enters the cantilever in the flue for about 3 m, even if the spray gun does not extend to the center, the spray gun can not meet the use requirement only by the strength of the spray gun under a high-temperature and high-speed environment, and if the spray gun does not serve as a bracket, the spray gun is easy to bend sideways and even break. The invention provides an arrangement structure for preventing a spray gun from deforming under a high-temperature high-speed working condition.
Disclosure of Invention
The invention provides a high-temperature expansion arrangement structure of an SCR denitration spray gun of a gas turbine exhaust-heat boiler, which is used for solving the technical problems that the spray gun cannot meet the use requirement only by virtue of the strength of the spray gun under a high-temperature and high-speed environment at present, and the spray gun is easy to bend sideways or even break if not used as a bracket.
In order to solve the technical problems, the invention discloses a high-temperature expansion arrangement structure of an SCR denitration spray gun of a gas turbine exhaust-heat boiler, which comprises a bracket mechanism, wherein the bracket mechanism is arranged in a flue, a plurality of spray guns are arranged on the flue, and one ends of the spray guns are connected with the bracket mechanism.
Preferably, the bracket mechanism is arranged at the inlet of the flue of the waste heat boiler, and the installation position penetrates through the radial geometric center of the flue.
Preferably, the bracket mechanism is a spray gun bracket, the spray gun bracket is of a rod-shaped structure, and a plurality of spray gun inserting holes which are mutually inserted with the end parts of the spray guns are formed in the spray gun bracket.
Preferably, one end of the spray gun connected with the bracket mechanism is sleeved in a sleeve, the spray gun can move along the axial direction of the sleeve, and one end of the sleeve, which is far away from the spray gun, is connected with the bracket mechanism.
Preferably, an anti-wear sleeve is arranged in the sleeve, and the anti-wear sleeve is detachably connected with the sleeve.
Preferably, the spray gun is provided with a plurality of spray nozzles.
Preferably, a plurality of spray gun inserting holes are formed in a spray gun support of the support mechanism, a sleeve is arranged at one end of the spray gun and comprises a sleeve main body, the spray gun is inserted into the sleeve, a sleeve fixing mechanism is arranged at the bottom of the sleeve main body, a plurality of electromagnetic rings are arranged on the inner wall of the spray gun support, electromagnetic blocks matched with the electromagnetic rings are arranged on the sleeve fixing mechanism, a power supply module is arranged on the electromagnetic rings and the electromagnetic blocks and used for supplying power to the electromagnetic rings and the electromagnetic blocks, and the sleeve is mutually attracted with the electromagnetic rings through the electromagnetic blocks to realize connection of the sleeve and the spray gun support.
Preferably, the sleeve fixing mechanism comprises a connecting seat, the connecting seat with sleeve main part bottom fixed connection, be equipped with the telescopic link in the connecting seat, be equipped with first driving piece on the telescopic link, first driving piece is used for the drive the telescopic link is flexible, the telescopic link work end is connected with the push rod, be equipped with two symmetrical arrangement's spout on the connecting seat, sliding connection has the slider in the spout, hinged joint has first connecting rod on the slider, first connecting rod keep away from the one end of slider with electromagnetic block hinged joint, still hinged joint has the second connecting rod on the electromagnetic block, the second connecting rod keep away from the one end of electromagnetic block with connecting seat hinged joint, be equipped with on the electromagnetic ring with the holding tank of electromagnetic block shape mutually supporting.
Preferably, the support mechanism is the spray gun support, be equipped with the sleeve mount cover on the spray gun support, the sleeve mount cover is used for the installation the spray gun, be equipped with auxiliary disassembly mechanism in the sleeve mount cover, auxiliary disassembly mechanism includes the elastic component, elastic component one end fixed connection is in sleeve mount cover inner wall bottom, the elastic component is kept away from the one end of sleeve mount cover inner wall bottom is equipped with the ejection platform, be equipped with the clamping rod on the ejection platform, the clamping rod follows the radial sliding connection of ejection platform, be equipped with the second driving piece on the clamping rod, the second driving piece is used for the drive the clamping rod is followed the radial slip of ejection platform.
Preferably, the spray gun is provided with a plurality of spray head mounting holes, and the spray head mounting holes are connected with spray heads in a threaded manner;
the spray head comprises a connecting end and a spray head main body, wherein the connecting end is in threaded connection with the spray head mounting hole, a partition wall is arranged in the spray head main body, the partition wall is of a closed loop horn-shaped structure, the partition wall divides the inner space of the spray head main body into an ammonia water spraying cavity and an auxiliary mechanism mounting cavity which is symmetrical relative to the ammonia water spraying cavity;
the ammonia water spraying device comprises an ammonia water spraying cavity, a first atomization net and a second atomization net are arranged in the ammonia water spraying cavity, the first atomization net is arranged at an ammonia water inlet of the ammonia water spraying cavity, the second atomization net is arranged at an ammonia water outlet of the ammonia water spraying cavity, a sliding shaft is arranged between the first atomization net and the second atomization net, a first cleaning sliding sleeve and a second cleaning sliding sleeve are sleeved on the sliding shaft, two symmetrically arranged first cleaning connecting rods are hinged on the first cleaning sliding sleeve, one ends of the first cleaning connecting rods, far away from the first cleaning sliding sleeve, are hinged with scraping plates, one ends of the second cleaning connecting rods, far away from the scraping plates, are hinged with the second cleaning sliding sleeve, a cleaning telescopic rod is arranged between the two scraping plates, a third driving piece is arranged on the first cleaning sliding sleeve and the second cleaning sliding sleeve and is used for driving the first cleaning sliding sleeve and the second cleaning sliding sleeve to move along the sliding shaft, a fourth driving piece is arranged on the cleaning telescopic rod and is used for driving the cleaning telescopic rod to stretch;
the device comprises an auxiliary mechanism installation cavity, an ammonia water spraying cavity, an auxiliary mechanism installation cavity, an impurity treatment channel, an auger driving motor, a conveying pipe, an accumulation box and a cover body, wherein the impurity treatment channel is arranged in the auxiliary mechanism installation cavity and is communicated with the ammonia water spraying cavity;
the impurity treatment channel is provided with a heat dissipation adjusting plate, one end of the heat dissipation adjusting plate is hinged to the impurity treatment channel, the other end of the heat dissipation adjusting plate is hinged to a heat dissipation adjusting connecting rod, one end of the heat dissipation adjusting plate, which is far away from, is connected with the impurity treatment channel in a sliding mode, a fifth driving piece is arranged on the heat dissipation adjusting connecting rod and is used for driving the heat dissipation adjusting connecting rod to slide left and right along the impurity treatment channel, a refrigerating fan is rotatably connected to the heat dissipation adjusting plate, a sixth driving piece is arranged on the refrigerating fan and is used for driving the refrigerating fan to rotate, two symmetrically arranged air outlet guide plates are hinged to the spray head body, an air cylinder is arranged on the outer side of each air outlet guide plate, one end of each air cylinder is hinged to a guide plate slider, each guide plate slider is slidably connected to the air outlet guide plate, the other end of each air cylinder is hinged to the spray head body, a reset elastic piece is fixedly connected to the inner side of each air outlet guide plate, and one end of each air outlet guide plate is fixedly connected with each partition wall.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic view of the structure of the waste heat boiler of the present invention.
FIG. 2 is a schematic view of the flue according to the present invention.
FIG. 3 is a schematic view B-B of a flue section according to the present invention.
Fig. 4 is a schematic view of the sleeve mounting position of the present invention.
Fig. 5 is an enlarged view a of the portion of fig. 4 in accordance with the present invention.
FIG. 6 is a schematic view of the auxiliary disassembling mechanism of the present invention.
FIG. 7 is a schematic view of the mounting position of the spray head of the present invention.
FIG. 8 is a schematic diagram of a spray head according to the present invention.
In the figure: 1. a flue; 100. a bracket mechanism; 2. a waste heat boiler; 3. a spray gun; 300. a nozzle mounting hole; 301. a spray head; 3010. a connection end; 3011. a head main body; 3012. a partition wall; 3013. ammonia water spraying cavity; 3014. an auxiliary mechanism mounting cavity; 3015. a first atomization screen; 3016. a second atomization screen; 3017. an ammonia water outlet; 3018. a sliding shaft; 3019. the first cleaning sliding sleeve; 302. the second cleaning sliding sleeve; 3020. a first cleaning link; 3021. a scraper; 3022. a second cleaning link; 3023. cleaning the telescopic rod; 3024. an impurity treatment channel; 3025. an auger; 3026. a screw drive motor; 3027. a material conveying pipe; 3028. an accumulation box; 3029. a cover body; 303. a heat dissipation adjusting plate; 3030. a refrigerating fan; 3031. an air outlet guide plate; 3032. a cylinder; 3033. a guide plate slide block; 3034. a return elastic member; 3035. an ammonia water inlet; 3036. a heat dissipation adjusting connecting rod; 4. a nozzle; 5. a spray gun bracket; 500. a spray gun plug hole; 501. a sleeve is arranged on the sleeve; 5010. an auxiliary disassembly mechanism; 5011. an elastic member; 5012. ejecting the table; 5013. a clamping rod; 6. a sleeve; 600. a sleeve body; 601. a sleeve fixing mechanism; 6010. a connecting seat; 6011. a telescopic rod; 6012. a push rod; 6013. a chute; 6014. a slide block; 6015. a first link; 6016. a second link; 6017. a receiving groove; 602. an electromagnetic ring; 603. an electromagnetic block; 604. an anti-wear sleeve.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples:
example 1
The embodiment of the invention provides a high-temperature expansion arrangement structure of an SCR denitration spray gun of a gas turbine exhaust-heat boiler, which is shown in figures 1-8 and comprises a support mechanism 100, wherein the support mechanism 100 is arranged in a flue 1, a plurality of spray guns 3 are arranged on the flue 1, and one ends of the spray guns 3 are connected with the support mechanism 100.
Preferably, the bracket mechanism 100 is installed at the inlet of the flue 1 of the waste heat boiler 2, and the installation position penetrates through the radial geometric center of the flue 1;
the bracket mechanism 100 is a spray gun bracket 5, the spray gun bracket 5 is of a rod-shaped structure, and a plurality of spray gun inserting holes 500 which are mutually inserted with the end part of the spray gun 3 are formed in the spray gun bracket 5;
one end of the spray gun 3 connected with the bracket mechanism 100 is sleeved in a sleeve 6, the spray gun 3 can move along the axial direction of the sleeve 6, and one end of the sleeve 6 far away from the spray gun 3 is connected with the bracket mechanism 100;
an anti-wear sleeve 604 is arranged in the sleeve 6, and the anti-wear sleeve 604 is detachably connected with the sleeve 6;
the spray gun 3 is provided with a plurality of spray nozzles 4.
The working principle and the beneficial effects of the technical scheme are as follows: the design of the bracket mechanism 100 solves the technical problems that in the conventional case, for a spray gun in a high-temperature and high-speed environment, the spray gun cannot meet the use requirement only by the strength of the spray gun, if the spray gun does not do a bracket, the spray gun is easy to bend sideways or even break, and the spray gun cannot meet the use requirement only by the strength of the spray gun, if the spray gun does not do a bracket, the spray gun is easy to bend sideways or even break;
the spray gun support 5 is of a rod-shaped structure, the occupied space is small, the obstruction to the smoke circulation in the flue 1 is avoided, the effect of inserting a plurality of spray guns 3 can be met, the service life of the sleeve 6 is prolonged due to the design of the anti-abrasion sleeve 604, the cost of the arrangement structure is reduced, and the denitration efficiency is improved by a plurality of nozzles 4 relative to the design of a single nozzle.
Example 2
On the basis of the embodiment 1, a plurality of spray gun inserting holes 500 are formed in a spray gun support 5 of the support mechanism 100, a sleeve 6 is arranged at one end of a spray gun 3, the sleeve 6 comprises a sleeve main body 600, the spray gun 3 is inserted into the sleeve 6, a sleeve fixing mechanism 601 is arranged at the bottom of the sleeve main body 600, a plurality of electromagnetic rings 602 are arranged on the inner wall of the spray gun support 5, electromagnetic blocks 603 matched with the electromagnetic rings 602 are arranged on the sleeve fixing mechanism 601, power supply modules are arranged on the electromagnetic rings 602 and the electromagnetic blocks 603 and used for supplying power to the electromagnetic rings 602 and the electromagnetic blocks 603, and the sleeve 6 is connected with the spray gun support 5 through mutual attraction of the electromagnetic blocks 603 and the electromagnetic rings 602;
the sleeve fixing mechanism 601 comprises a connecting seat 6010, the connecting seat 6010 is fixedly connected with the bottom of the sleeve main body 600, a telescopic rod 6011 is arranged in the connecting seat 6010, a first driving part is arranged on the telescopic rod 6011 and used for driving the telescopic rod 6011 to stretch out and draw back, a push rod 6012 is connected to the working end of the telescopic rod 6011, two symmetrically arranged sliding grooves 6013 are formed in the connecting seat 6010, a sliding block 6014 is connected to the sliding groove 6013 in a sliding mode, a first connecting rod 6015 is connected to the sliding block 6014 in a hinged mode, one end of the first connecting rod 6015, far away from the sliding block 6014, is connected to the electromagnetic block 603 in a hinged mode, a second connecting rod 6016 is connected to the electromagnetic block 603 in a hinged mode, and a containing groove 6017 matched with the electromagnetic block 603 in shape is formed in the electromagnetic ring 602.
The working principle and the beneficial effects of the technical scheme are as follows: during operation, as shown in fig. 5, the first driving member is used for driving the telescopic rod 6011 to shorten, so that the sliding block 6014 moves leftwards along the sliding groove 6013, the sliding block 6014 drives the first connecting rod 6015 to move, the first connecting rod 6015 drives the second connecting rod 6016 to move until the sleeve 6 can pass through the spray gun inserting hole 500, then the sleeve 6 is inserted into the spray gun inserting hole 500, then the first driving member is used for driving the telescopic rod 6011 to extend, so that the sliding block 6014 moves rightwards along the sliding groove 6013, the sliding block 6014 drives the first connecting rod 6015 to move, the first connecting rod 6015 drives the second connecting rod 6016 to move, so that the electromagnetic block 603 is placed in the accommodating groove 6017, meanwhile, the power supply module starts to supply power to the electromagnetic ring 602 and the electromagnetic block 603, the electromagnetic block 603 is mutually sucked, the sleeve fixing mechanism 601 is designed to enable the sleeve 6 to be installed on the electromagnetic ring 602 and the electromagnetic block 603, and the sleeve 603 can be fixed by the electromagnetic block 603 and the electromagnetic block 603 in a mode that the electromagnetic block is not matched with the electromagnetic ring 603, and the electromagnetic block 603 is more conveniently installed on the sleeve 601, and the electromagnetic block 603 is fixed by the electromagnetic block 603.
Example 3
On the basis of embodiment 1 or 2, the support mechanism 100 is a spray gun support 5, a sleeve mounting sleeve 501 is arranged on the spray gun support 5, the sleeve mounting sleeve 501 is used for mounting the spray gun 3, an auxiliary dismounting mechanism 5010 is arranged in the sleeve mounting sleeve 501, the auxiliary dismounting mechanism 5010 comprises an elastic piece 5011, one end of the elastic piece 5011 is fixedly connected with the bottom of the inner wall of the sleeve mounting sleeve 501, one end of the elastic piece 5011, far away from the bottom of the inner wall of the sleeve mounting sleeve 501, is provided with an ejection table 5012, the ejection table 5012 is provided with a clamping rod 5013, the clamping rod 5013 is connected with the ejection table 5012 in a radial sliding manner, and a second driving piece is arranged on the clamping rod 5013 and is used for driving the clamping rod 5013 to slide along the ejection table 5012 in a radial manner.
The working principle and the beneficial effects of the technical scheme are as follows: when the spray gun 3 is to be disassembled, the second driving piece drives the clamping rod 5013 to slide along the radial direction of the ejecting table 5012 towards the axial direction of the ejecting table 5012, so that the clamping rod 5013 is converted into a separated state from a state propped against the inner wall of the sleeve mounting sleeve 501, and under the condition that the clamping rod 5013 is separated from the inner wall of the sleeve mounting sleeve 501 due to the fact that the elastic piece 5011 initially belongs to a compression state, the ejecting table 5012 ejects rightwards under the action of the elastic piece 5011, so that the ejecting table 5012 hits the spray gun 3 or the sleeve 6 on the spray gun 3, the spray gun 3 can be disassembled, the auxiliary disassembling mechanism 5010 is designed to enable the disassembly of the spray gun 3 to be more convenient and rapid and labor-saving, and meanwhile, the condition that the spray gun 3 is damaged due to improper force in the process of directly outwards pulling the spray gun 3 under the conventional condition is avoided.
Example 4
On the basis of the embodiment 1, the spray gun 3 is provided with a plurality of spray head mounting holes 300, and the spray head mounting holes 300 are connected with spray heads 301 in a threaded manner;
the spray head 301 comprises a connection end 3010 and a spray head main body 3011, the connection end 3010 is in threaded connection with the spray head mounting hole 300, a partition wall 3012 is arranged in the spray head main body 3011, the partition wall 3012 is of a closed-loop horn-shaped structure, the partition wall 3012 divides the inner space of the spray head main body 3011 into an ammonia water spraying cavity 3013 and an auxiliary mechanism mounting cavity 3014 symmetrical with respect to the ammonia water spraying cavity 3013;
a first atomization net 3015 and a second atomization net 3016 are arranged in the ammonia water spraying cavity 3013, the first atomization net 3015 is installed at an ammonia water inlet 3035 of the ammonia water spraying cavity 3013, the second atomization net 3016 is installed at an ammonia water outlet 3017 of the ammonia water spraying cavity 3013, a sliding shaft 3018 is arranged between the first atomization net 3015 and the second atomization net 3016, a first cleaning sliding sleeve 3019 and a second cleaning sliding sleeve 302 are sleeved on the sliding shaft 3018, a first cleaning connecting rod 3020 which is arranged symmetrically is hinged on the first cleaning sliding sleeve 3019, a scraping plate 3021 is hinged at one end of the first cleaning connecting rod 3020, which is far away from the first cleaning sliding sleeve 3019, a second cleaning connecting rod 3022 is hinged at one end of the second cleaning connecting rod 3022, which is far away from the scraping plate 3021, is hinged with the second cleaning sliding sleeve 302, a cleaning telescopic rod 3023 is arranged between the two scraping plates 3011, a first cleaning sliding sleeve 3029 and a second cleaning sliding sleeve 302 are arranged on the first cleaning sliding sleeve 3019, a third cleaning sliding sleeve 302 is arranged on the first cleaning sliding sleeve 3029 and a fourth cleaning sliding sleeve 3018 is used for driving the fourth cleaning sliding sleeve 3018, and the fourth cleaning sliding sleeve is used for driving the fourth cleaning sliding sleeve 3018;
an impurity treatment channel 3024 is arranged in the auxiliary mechanism installation cavity 3014, the impurity treatment channel 3024 is communicated with the ammonia water spraying cavity 3013, an auger 3025 is rotatably connected in the impurity treatment channel 3024, an auger driving motor 3026 is arranged on the auger 3025, the auger driving motor 3026 is used for driving the auger 3025 to rotate, a conveying pipe 3027 is arranged at the bottom of the impurity treatment channel 3024, an accumulation box 3028 is connected to one end, away from the impurity treatment channel 3024, of the conveying pipe 3027, one end of the accumulation box 3028 extends out of the auxiliary mechanism installation cavity 3014, and a cover 3029 is arranged at one end, extending out of the auxiliary mechanism installation cavity 3014, of the accumulation box 3028;
the impurity treatment channel 3024 is provided with a heat dissipation adjusting plate 303, one end of the heat dissipation adjusting plate 303 is hinged to the impurity treatment channel 3024, the other end of the heat dissipation adjusting plate is hinged to a heat dissipation adjusting connecting rod 3036, one end of the heat dissipation adjusting plate 303 far away from the heat dissipation adjusting connecting rod 3036 is connected with the impurity treatment channel 3024 in a left-right sliding mode, a fifth driving piece is arranged on the heat dissipation adjusting connecting rod 3036 and used for driving the heat dissipation adjusting plate 3036 to slide left and right along the impurity treatment channel 3024, a refrigerating fan 3030 is rotatably connected to the heat dissipation adjusting plate 303, a sixth driving piece is arranged on the refrigerating fan 3030 and used for driving the refrigerating fan 3030 to rotate, two symmetrically arranged air outlet guide plates 3031 are hinged to the spray head main body 3011, an air cylinder 3032 is arranged on the outer side of the air outlet guide plate 3031, one end of the air cylinder 3032 is hinged to be connected with a guide plate 3033 in a sliding mode, the inner side of the air cylinder 3032 is connected with the spray head main body 3031 in a sliding mode, and the other end of the spray head main body 3031 is connected with the air outlet guide plate 3031 in a reset mode, and the elastic guide plate 3034 is connected to the elastic air outlet guide plate 3034 in a reset mode, and the elastic guide plate is kept away from one end of the elastic guide plate 3014.
The working principle and the beneficial effects of the technical scheme are as follows: when the spray gun 3 is used, ammonia water is pressurized and sprayed into the flue 1 after being further atomized by the first atomization net 3015 and the second atomization net 3016 (the cleaning telescopic rod 3023 is shortest in the whole process, so that the maximum spraying flow of the ammonia water spraying cavity 3013 is ensured), the ammonia water evaporates ammonia water into ammonia gas under the action of the temperature in the flue 1 to participate in denitration reaction, the design of the first atomization net 3015 and the second atomization net 3016 enables sprayed ammonia water mist to be finer and finer, the spraying range of the ammonia water mist is larger, the ammonia water mist evaporates into ammonia gas faster, and the denitration reaction efficiency is increased;
when the ammonia water spraying chamber 3013 needs to be cleaned, the third driving member drives the first cleaning sliding sleeve 3019 and the second cleaning sliding sleeve 302 to move along the sliding shaft 3018 to be close to the ammonia water outlet 3017, then the fourth driving member drives the cleaning telescopic rod 3023 to extend, so that the scraping plate 3021 is in contact with the ammonia water spraying chamber 3013 at any time, meanwhile, the third driving member drives the first cleaning sliding sleeve 3019 and the second cleaning sliding sleeve 302 to move upwards synchronously along the sliding shaft 3018, impurities on the side wall of the ammonia water spraying chamber 3013 enter the impurity treatment channel 3024 when the scraping plate 3021 moves to the inlet of the impurity treatment channel 3024, then the auger driving motor 3026 drives the auger 3025 to rotate, the auger 3025 rotates so that the impurities are transported to the material transporting pipe 3027 by the inlet of the impurity treatment channel 3024 by the auger 3025, the cleaning device enters the accumulation box 3028 through the material conveying pipe 3027, when impurities in the accumulation box 3028 need to be cleaned, the cover 3029 is opened to clean the impurities, the scraper 3021 is designed to avoid the situation that the impurity treatment channel 3024 is blocked by smoke dust impurities, ensure the smoothness of the impurity treatment channel 3024, play a role in automatic machine cleaning, reduce the cost of manual cleaning, and meanwhile, the scraper 3021 is more reliable and thorough compared with external cleaning in the impurity treatment channel 3024, and meanwhile, the cleaning telescopic rod 3023 is designed to enable the mechanism comprising the first cleaning sliding sleeve 3019, the second cleaning sliding sleeve 302, the first cleaning connecting rod 3020, the second cleaning connecting rod 3022 and the scraper 3021 to be adjusted according to actual use conditions, if the cleaning telescopic rod 3023 is shortest when the cleaning state is not in the ammonia water spraying state, the design of the auger 3025 and the accumulation tank 3028 ensures that the impurities such as smoke dust can be well collected;
when the sixth driving member drives the cooling fan 3030 to work, the fifth driving member drives the heat dissipation adjusting connecting rod 3036 to slide left and right along the impurity treatment channel 3024, so as to adjust the inclination degree of the heat dissipation adjusting plate 303, further adjust the blowing angle of the cooling fan 3030, meanwhile, the air cylinder 3032 stretches and contracts, at this time, the guide plate slider 3033 slides along the air outlet guide plate 3031, and adjusts the angle of the air outlet guide plate 3031, so as to adjust the flow direction of air blown by the cooling fan 3030 through the air outlet guide plate 3031, so that the air direction is blown to the spray gun 3, thereby reducing the temperature of the spray gun 3, reducing the influence of high temperature in the flue on the rod body of the spray gun 3, so that the spray gun 3 is not easy to bend sideways, even break, when the air outlet guide plate 3031 returns, the air outlet guide plate 3031 returns to the reset guide plate without diversion under the action of the reset elastic member 3034.
Example 5
On the basis of the embodiment 1, the method further comprises the following steps:
the spray gun monitoring system is arranged in the spray gun 3 and is used for monitoring the actual hardness of the spray gun 3 in a detection period of the spray gun monitoring system, and if the actual hardness of the spray gun 3 in the detection period of the spray gun monitoring system is smaller than the preset hardness of the spray gun 3, the spray gun monitoring system alarms to remind a worker to take corresponding measures to prevent the spray gun 3 from being bent sideways or even broken;
the lance monitoring system includes:
a first temperature sensor, which is arranged on the spray gun 3 and is used for detecting the temperature of the outer surface of the spray gun 3;
a second temperature sensor, which is arranged in the flue 1 and is used for detecting the temperature in the flue 1;
a pressure sensor, which is arranged at the contact position of the spray gun 3 and the bracket mechanism 100 and is used for detecting the actual pressure of the spray gun 3 to the bracket mechanism 100;
the controller is electrically connected with the first temperature sensor, the second temperature sensor, the pressure sensor and the alarm, and the controller controls the alarm to alarm based on the first temperature sensor, the second temperature sensor and the pressure sensor, and the alarm comprises the following steps of:
step one: calculating a temperature hardness influence coefficient of the spray gun 3 in a detection period based on the first temperature sensor, the second temperature sensor and the formula (1):
wherein, gamma re The temperature and hardness influence coefficient of the spray gun 3 in the detection period is that beta is blackness of the spray gun 3, delta is Boltzmann constant, and the unit isL is the length of the lance 3 in the flue 1, H is the total wall thickness of the lance 3, H is the thickness of the oxide layer of the lance 3 (the oxide layer is located on the outer surface of the lance 3), and alpha 1 H-H is the thickness of the rest materials outside the oxidation layer of the spray gun 3, alpha, for the heat conductivity coefficient of the oxidation layer of the spray gun 3 2 For the thermal conductivity of the remaining material of the lance 3 outside the oxidation layer, the unit is +.> Influence of the reaction temperature on the hardness of the oxide layer of the lance 3,/->The influence of the reaction temperature on the hardness of the rest materials outside the oxidation layer of the spray gun 3 outside the oxidation layer, J is the preset heat transfer quantity of air, S t For the spray gunMonitoring the detection period of the system S t The value is 60s;
step two: based on the pressure sensor, step one and equation (2), calculating the actual hardness of the lance 3 during the lance monitoring system detection period:
wherein, HBS re For the actual hardness of the lance 3 during the lance monitoring system detection period, HBS 0 Gamma, the reference hardness of the material of the spray gun 3 re For the temperature hardness influence coefficient of the spray gun 3 in the detection period, e is a natural number, the value is 2.71, F 1 F as the detection value of the pressure sensor 0 For a preset pressure of the lance 3 against the stand mechanism 100,representing the effect of the actual hardness change of the spray gun 3 (when the hardness of the spray gun 3 changes due to the change of temperature, the spray gun 3 bends to change the contact area with the bracket mechanism 100, thereby causing the change of the detection value of the pressure sensor);
step three: the controller compares the actual hardness of the spray gun 3 in the detection period of the spray gun monitoring system with the preset hardness of the spray gun 3, and if the actual hardness of the spray gun 3 in the detection period of the spray gun monitoring system is smaller than the preset hardness of the spray gun 3, the alarm gives an alarm.
The working principle and the beneficial effects of the technical scheme are as follows: let β=0.65, δ=1.38×10 -23 J/K，T 1 ＝150k，T 2 ＝180k，L＝1500mm，H＝65mm，h＝10mm，H-h＝55mm. S t ＝60s，J＝16*10 6 J, get gamma re ＝0.95；
Suppose HBS 0 ＝650HBS，γ re ＝0.95，F 1 ＝40N，F 0 =20n, get HBS re =555 HBS, and if the preset hardness of the spray gun 3 is 600HBS, the alarm alarms at this time, and if the preset hardness of the spray gun 3 is 500HBS, the alarm does not alarm;
the design of the spray gun monitoring system avoids that the spray gun 3 cannot meet the use requirement under a high-temperature and high-speed environment only by means of the strength of the spray gun 3, lateral bending is easy to occur, even the occurrence of breakage is avoided, the spray gun monitoring system monitors the actual hardness of the spray gun 3 in the detection period of the spray gun monitoring system, the spray gun 3 is ensured to lateral bending, even before the quick breakage is caused, a worker can be timely warned to take measures for replacing the spray gun or reducing the temperature of the flue 1, normal use of the spray gun 3 is ensured, and the service life of the spray gun is prolonged, and the denitration efficiency of the denitration spray gun is improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler is characterized by comprising a support mechanism (100), wherein the support mechanism (100) is installed in a flue (1), a plurality of spray guns (3) are arranged on the flue (1), and one ends of the spray guns (3) are connected with the support mechanism (100);
further comprises: the spray gun monitoring system is arranged in the spray gun (3) and is used for monitoring the actual hardness of the spray gun (3) in the detection period of the spray gun monitoring system, and if the actual hardness of the spray gun (3) in the detection period of the spray gun monitoring system is smaller than the preset hardness of the spray gun (3), the spray gun monitoring system alarms to remind a worker to take corresponding measures to prevent the spray gun (3) from being bent sideways or even broken;
the lance monitoring system includes:
a first temperature sensor arranged on the spray gun (3) and used for detecting the temperature of the outer surface of the spray gun (3);
a second temperature sensor arranged in the flue (1) for detecting the temperature in the flue (1);
the pressure sensor is arranged at the contact position of the spray gun (3) and the bracket mechanism (100) and is used for detecting the actual pressure of the spray gun (3) on the bracket mechanism (100);
the controller is electrically connected with the first temperature sensor, the second temperature sensor, the pressure sensor and the alarm, and the controller controls the alarm to alarm based on the first temperature sensor, the second temperature sensor and the pressure sensor, and the alarm comprises the following steps of:
step one: calculating a temperature hardness influence coefficient of the spray gun (3) in a detection period based on the first temperature sensor, the second temperature sensor and the formula (1):
wherein, gamma re The temperature and hardness influence coefficient of the spray gun (3) in the detection period is that beta is the blackness of the spray gun (3), delta is the Boltzmann constant, and the unit isL is the length of the spray gun (3) positioned in the flue (1), H is the total wall thickness of the spray gun (3), H is the thickness of an oxide layer of the spray gun (3) (the oxide layer is positioned on the outer surface of the spray gun (3)), and alpha is the total wall thickness of the spray gun (3) 1 H-H is the thickness of the rest materials outside the oxidation layer of the spray gun (3) outside the oxidation layer, alpha, the thermal conductivity coefficient of the oxidation layer of the spray gun (3) 2 In units of thermal conductivity of the rest of the material of the lance (3) outside the oxidation layerIs->Influence of the reaction temperature on the hardness of the oxide layer of the spray gun (3),. Sup.>The influence of the reaction temperature on the hardness of the rest materials outside the oxidation layer of the spray gun (3) outside the oxidation layer, J is the preset heat transfer quantity of air, S t For the detection period of the spray gun monitoring system, S t The value is 60s;
step two: based on the pressure sensor, the first step and the formula (2), calculating the actual hardness of the spray gun (3) in a detection period of a spray gun monitoring system:
wherein, HBS re For the actual hardness of the spray gun (3) in the detection period of the spray gun monitoring system, HBS 0 Gamma, the reference hardness of the material of the spray gun (3) re For the temperature hardness influence coefficient of the spray gun (3) in the detection period, e is a natural number, the value is 2.71, F 1 F as the detection value of the pressure sensor 0 For a preset pressure of the spray gun (3) on the support mechanism (100),representing the actual hardness change effect of the spray gun (3) (when the hardness of the spray gun (3) changes due to the change of temperature, the contact area of the spray gun (3) bent and the bracket mechanism (100) changes, so that the change of the detection value of the pressure sensor is caused);
step three: the controller compares the actual hardness of the spray gun (3) in the detection period of the spray gun monitoring system with the preset hardness of the spray gun (3), and if the actual hardness of the spray gun (3) in the detection period of the spray gun monitoring system is smaller than the preset hardness of the spray gun (3), the alarm gives an alarm.
2. The high-temperature expansion arrangement structure of a gas turbine exhaust-heat boiler SCR denitration spray gun according to claim 1, wherein the bracket mechanism (100) is installed at the inlet of the flue (1) of the exhaust-heat boiler (2) and the installation position penetrates through the radial geometric center of the flue (1).
3. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 1, wherein the support mechanism (100) is a spray gun support (5), the spray gun support (5) is of a rod-shaped structure, and a plurality of spray gun inserting holes (500) which are mutually inserted with the end parts of the spray guns (3) are formed in the spray gun support (5).
4. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 1, wherein one end, connected with the support mechanism (100), of the spray gun (3) is sleeved in a sleeve (6), the spray gun (3) can move along the axial direction of the sleeve (6), and one end, far away from the spray gun (3), of the sleeve (6) is connected with the support mechanism (100).
5. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 4, wherein an anti-abrasion sleeve (604) is arranged in the sleeve (6), and the anti-abrasion sleeve (604) is detachably connected with the sleeve (6).
6. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 1, wherein a plurality of spray nozzles (4) are arranged on the spray gun (3).
7. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 1, wherein a plurality of spray gun inserting holes (500) are formed in a spray gun support (5) of the support mechanism (100), a sleeve (6) is arranged at one end of the spray gun (3), the sleeve (6) comprises a sleeve main body (600), the spray gun (3) is inserted into the sleeve (6), a sleeve fixing mechanism (601) is arranged at the bottom of the sleeve main body (600), a plurality of electromagnetic rings (602) are arranged on the inner wall of the spray gun support (5), an electromagnetic block (603) matched with the electromagnetic ring (602) is arranged on the sleeve fixing mechanism (601), a power supply module is arranged on the electromagnetic ring (602) and the electromagnetic block (603), the power supply module is used for supplying power to the electromagnetic ring (602) and the electromagnetic block (603), and the sleeve (6) is mutually attracted with the electromagnetic ring (602) through the electromagnetic block (603) to realize connection of the sleeve (6) and the spray gun support (5).
8. A gas turbine exhaust-heat boiler SCR denitration spray gun high temperature expansion arrangement structure as claimed in claim 7, wherein,
the sleeve fixing mechanism (601) comprises a connecting seat (6010), the connecting seat (6010) is fixedly connected with the bottom of the sleeve main body (600), a telescopic rod (6011) is arranged in the connecting seat (6010), a first driving piece is arranged on the telescopic rod (6011) and used for driving the telescopic rod (6011) to stretch out and draw back, a push rod (6012) is connected with the working end of the telescopic rod (6011), sliding grooves (6013) which are symmetrically arranged are formed in the connecting seat (6010), sliding blocks (6014) are connected in the sliding grooves (6013) in a sliding mode, a first connecting rod (6015) is connected to the sliding blocks (6014) in a hinged mode, one end of each first connecting rod (6015) is far away from each sliding block (6014) in a hinged mode, a second connecting rod (6016) is connected to each electromagnetic block (603) in a hinged mode, one end of each second connecting rod (6016) is far away from each electromagnetic block (603) in a connecting seat (6010) in a hinged mode, and each electromagnetic ring (603) is provided with an electromagnetic groove (6017) in a hinged mode.
9. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 1, wherein the support mechanism (100) is a spray gun support (5), a sleeve mounting sleeve (501) is arranged on the spray gun support (5), the sleeve mounting sleeve (501) is used for mounting the spray gun (3), an auxiliary dismounting mechanism (5010) is arranged in the sleeve mounting sleeve (501), the auxiliary dismounting mechanism (5010) comprises an elastic piece (5011), one end of the elastic piece (5011) is fixedly connected to the bottom of the inner wall of the sleeve mounting sleeve (501), one end, far away from the bottom of the inner wall of the sleeve mounting sleeve (501), of the elastic piece (5011) is provided with an ejection platform (5012), a clamping rod (5013) is arranged on the ejection platform (5012), the clamping rod (5013) is connected in a radial sliding mode, and a second driving piece is arranged on the clamping rod (5013) and is used for driving the clamping rod (5013) to slide along the ejection platform (5012) in a radial mode.
10. The high-temperature expansion arrangement structure of the SCR denitration spray gun of the gas turbine exhaust-heat boiler according to claim 1, wherein a plurality of spray head mounting holes (300) are formed in the spray gun (3), and spray heads (301) are connected to the spray head mounting holes (300) in a threaded mode;
the spray head (301) comprises a connecting end (3010) and a spray head main body (3011), the connecting end (3010) is in threaded connection with the spray head mounting hole (300), a partition wall (3012) is arranged in the spray head main body (3011), the partition wall (3012) is of a closed-loop horn-shaped structure, the partition wall (3012) divides the inner space of the spray head main body (3011) into an ammonia water spraying cavity (3013), and an auxiliary mechanism mounting cavity (3014) symmetrical with respect to the ammonia water spraying cavity (3013);
the utility model discloses a cleaning device, which is characterized in that a first atomization net (3015) and a second atomization net (3016) are arranged in an ammonia water spraying cavity (3013), the first atomization net (3015) is arranged at an ammonia water inlet (3035) of the ammonia water spraying cavity (3013), the second atomization net (3016) is arranged at an ammonia water outlet (3017) of the ammonia water spraying cavity (3013), a sliding shaft (3018) is arranged between the first atomization net (3015) and the second atomization net (3016), a first cleaning sliding sleeve (3019) and a second cleaning sliding sleeve (302) are sleeved on the sliding shaft (3018), two symmetrically arranged first cleaning connecting rods (3020) are hinged on the first cleaning sliding sleeve (3019), one ends of the first cleaning connecting rods (3020) far away from the first cleaning sliding sleeve (3019) are hinged with scraping plates (3021), a second cleaning connecting rod (3022) is hinged on the scraping plates (3021), the second cleaning connecting rods (3022) are far away from the scraping plates (3021) and are connected with the second cleaning sliding sleeve (3011) in a hinged mode, the second cleaning sliding sleeve (3011) is provided with the second cleaning sliding sleeve (3011), a fourth driving piece is arranged on the cleaning telescopic rod (3023) and is used for driving the cleaning telescopic rod (3023) to stretch;
an impurity treatment channel (3024) is arranged in the auxiliary mechanism mounting cavity (3014), the impurity treatment channel (3024) is communicated with the ammonia water spraying cavity (3013), an auger (3025) is rotationally connected to the impurity treatment channel (3024), an auger driving motor (3026) is arranged on the auger (3025), the auger driving motor (3026) is used for driving the auger (3025) to rotate, a conveying pipe (3027) is arranged at the bottom of the impurity treatment channel (3024), an accumulation box (3028) is connected to one end of the conveying pipe (3027) away from the impurity treatment channel (3024), one end of the accumulation box (3028) extends out of the auxiliary mechanism mounting cavity (3014), and a cover body (3029) is arranged at one end of the auxiliary mechanism mounting cavity (3014);
the impurity treatment channel (3024) is provided with a heat dissipation adjusting plate (303), one end of the heat dissipation adjusting plate (303) is hinged with the impurity treatment channel (3024), the other end of the heat dissipation adjusting plate is hinged with a heat dissipation adjusting connecting rod (3036), one end of the heat dissipation adjusting rod (3036) is far away from the heat dissipation adjusting plate (303) and is connected with the impurity treatment channel (3024) in a left-right sliding mode, the heat dissipation adjusting connecting rod (3036) is provided with a fifth driving piece, the fifth driving piece is used for driving the heat dissipation adjusting connecting rod (3036) to slide left and right along the impurity treatment channel (3024), a refrigerating fan (3030) is rotationally connected to the heat dissipation adjusting plate (303), a sixth driving piece is arranged on the refrigerating fan (3030), the spray head main body (3011) is hinged with two symmetrically arranged air outlet guide plates (3031), an air cylinder (3032) is arranged on the outer side of the heat dissipation adjusting connecting rod, one end of the slide block (3032) is hinged with the slide block (3033), the other end of the slide block (3031) is connected with the spray head (3031) in a sliding mode, the other end of the slide block (3031) is connected with the spray head (3031), one end of the reset elastic piece (3034) far away from the air outlet guide plate (3031) is fixedly connected with the partition wall (3012).
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