CN215982621U - Accurate water spray cooling system of air-cooled dry sediment machine - Google Patents
Accurate water spray cooling system of air-cooled dry sediment machine Download PDFInfo
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- CN215982621U CN215982621U CN202122025548.XU CN202122025548U CN215982621U CN 215982621 U CN215982621 U CN 215982621U CN 202122025548 U CN202122025548 U CN 202122025548U CN 215982621 U CN215982621 U CN 215982621U
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Abstract
The utility model discloses an accurate water spraying and cooling system of an air-cooled slag drying machine, which comprises an obliquely arranged slag drying machine body, wherein two groups of spraying assemblies are arranged on the inclined surface of the inner wall of the slag drying machine body, two temperature measuring assemblies are arranged on the inclined surface of the inner wall of the slag drying machine body, the two temperature measuring assemblies are respectively positioned on one side of the two groups of spraying assemblies, and a slag turning assembly is arranged on one side of the top of the slag drying machine body. According to the accurate water spraying cooling system for the air-cooled slag dryer of the boiler, the timeliness and the monitorability of spraying cooling are guaranteed by two-stage temperature measurement and spraying; the fixed flow and the fixed atomization angle ensure the spraying cooling effect; the slag turning switch with high ash residue level is interlocked and brought into a logic control condition, so that the condition that the inside of the slag drying machine is over-wet and ash-sticking caused by excessive water spraying is avoided; the design of the external atomizing nozzle reduces the occurrence of blockage of the atomizing nozzle and is convenient for maintenance and replacement.
Description
Technical Field
The utility model relates to the technical field of power station boilers, in particular to an accurate water spraying and cooling system for an air-cooled slag drying machine.
Background
The accurate water spray cooling system of air-cooled dry sediment machine is used for the accurate control dry sediment machine and sprays the cooling water yield, and the temperature measurement step by step, sprays to realize reasonable water spray, reduce the sediment temperature.
Warm water is arranged below a hydraulic shutoff door of a slag well by spraying of an original slag drying machine, seamless steel pipe punching is adopted as a spray nozzle, atomization effect is not generated, flow is uncontrollable, and cooling effect is poor; the ash residue at the position is more in airflow disturbance and is large, and the spray nozzle is easy to block; the slag temperature can not be monitored without a matched temperature measuring device, so that ash is easily adhered to the interior of the slag drying machine due to excessive water spraying.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of no atomization effect, uncontrollable flow and poor cooling effect in the prior art, and provides an accurate water spraying cooling system for an air-cooled slag drying machine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an air-cooled accurate water spraying and cooling system for a slag drying machine comprises a slag drying machine body which is obliquely arranged, wherein two groups of spraying assemblies are arranged on an inclined surface of the inner wall of the slag drying machine body;
through the accurate water spray cooling system of the air-cooled slag dryer of the boiler, the timeliness and the monitorability of spray cooling are ensured by two-stage temperature measurement and spraying;
the fixed flow and the fixed atomization angle ensure the spraying cooling effect; the slag turning switch with high ash residue level is linked and brought into a logic control condition, so that the phenomenon that the inside of the slag drying machine is over-wet and ash-sticking caused by excessive water spraying is avoided.
The above technical solution further comprises:
the inclination angle of the slag drying machine body is 18.5 degrees.
The spray assembly comprises a water pipe, the water pipe is communicated with three branch pipes, and the bottom ends of the three branch pipes are provided with atomizing nozzles.
The three branch pipes are provided with manual doors, the three branch pipes are provided with electromagnetic valves, and the three electromagnetic valves are respectively positioned below the three manual doors.
The atomizing nozzle comprises a mounting flange, a barrel is fixedly connected to the mounting flange, the top of the barrel is fixed to the bottom ends of the branch pipes, and the branch pipes are located at the inner ends of the barrel and communicated with atomizing nozzles.
The external diameter of flange is 129mm, and bolt hole diameter is 12mm, the size of barrel is 89 x 4.5mm, and the water spray flow of atomizer is 5L/min, and the atomizing angle is 48 degrees.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the timeliness and the monitorability of spray cooling are ensured by two-stage temperature measurement and spray through the accurate water spray cooling system of the air-cooled slag dryer of the boiler; the fixed flow and the fixed atomization angle ensure the spraying cooling effect; the slag turning switch with high ash residue level is interlocked and brought into a logic control condition, so that the condition that the inside of the slag drying machine is over-wet and ash-sticking caused by excessive water spraying is avoided; the design of the external atomizing nozzle reduces the occurrence of blockage of the atomizing nozzle and is convenient for maintenance and replacement.
Drawings
FIG. 1 is a schematic structural diagram of an accurate water spray cooling system of an air-cooled slag dryer provided by the utility model;
FIG. 2 is a schematic structural view of the spray assembly of FIG. 1;
FIG. 3 is a cross-sectional view of the atomizing nozzle of FIG. 2;
fig. 4 is a bottom view of the cartridge structure of fig. 3.
In the figure: 1. a slag drying machine body; 2. a spray assembly; 21. a water pipe; 22. a branch pipe; 23. an atomizing nozzle; 231. a flange; 232. a barrel; 233. a spray nozzle; 24. a manual door; 25. an electromagnetic valve; 3. a temperature measuring component; 4. turn over sediment subassembly.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-4, the accurate water spraying and cooling system for the air-cooled slag drying machine provided by the utility model comprises a slag drying machine body 1 which is obliquely arranged, wherein two groups of spraying assemblies 2 are arranged on an inclined surface of the inner wall of the slag drying machine body 1, two temperature measuring assemblies 3 are arranged on the inclined surface of the inner wall of the slag drying machine body 1, the two temperature measuring assemblies 3 are respectively positioned on one side of the two groups of spraying assemblies 2, and a slag turning assembly 4 is arranged on one side of the top of the slag drying machine body 1;
the left spraying component 2 is a first-level spraying group, the right spraying component 2 is a second-level spraying group, the left temperature measuring component 3 is a first-level temperature measuring group, and the right temperature measuring component 3 is a second-level temperature measuring group;
through the accurate water spray cooling system of the air-cooled slag dryer of the boiler, the timeliness and the monitorability of spray cooling are ensured by two-stage temperature measurement and spraying;
the fixed flow and the fixed atomization angle ensure the spraying cooling effect; the slag turning switch with high ash residue level is interlocked and brought into a logic control condition, so that the condition that the inside of the slag drying machine is over-wet and ash-sticking caused by excessive water spraying is avoided;
the design of the external atomizing nozzle 23 reduces the occurrence of spray nozzle blockage and is convenient for maintenance and replacement;
the primary temperature measurement is arranged behind the high material level slag turning interlocking device, namely behind the slag turning component 4, and the primary atomization spraying group is arranged behind the primary temperature measurement group; and a secondary temperature measuring and spraying group is arranged behind the primary spraying group in the same way, and each spray nozzle is specially customized in flow and atomization angle.
The above technical solution further comprises:
the inclination angle of the slag drying machine body 1 is 18.5 degrees.
The three branch pipes 22 are provided with manual doors 24, electromagnetic valves 25 are arranged on the three branch pipes 22, and the three electromagnetic valves 25 are respectively positioned below the three manual doors 24;
each stage of atomization spraying group can customize the number of the atomization nozzles 23 according to actual conditions, each atomization nozzle customizes flow and atomization angle specially, and an inlet is provided with an electromagnetic valve 25 and a manual door 24, and the number of the atomization nozzles 23 which are put into is controlled through the manual door 24, so that the flow of spraying water is controlled.
In this embodiment, the dry sediment machine carries the lime-ash of high material level to the slope operation from the horizontal segment, sends high material level signal through high material level turn over sediment interlock, and the one-level sprays to be organized and begins timing after receiving the signal, and the automatic spraying that drops into after delaying certain time drops water and evenly sprays on high temperature lime-ash with fixed atomizing angle, reduces the sediment temperature.
The ash is further conveyed to a secondary temperature measurement group, and if the measured ash temperature is lower than 120 ℃, the secondary spraying group is not put into operation; if the temperature of the ash measured by the secondary temperature measuring group is higher than 120 ℃, the secondary spraying group is automatically put in after delaying for a certain time, and is continuously and uniformly sprayed on the high-temperature ash at a fixed atomizing angle, so as to further reduce the temperature of the ash.
Because the high material level is used as the logic condition for the investment of the spraying device, the atomization angle is reasonable, the atomization effect is good, the flow is controllable, and the problem of excessive water spraying is avoided.
Example two
As shown in fig. 3-4, based on the first embodiment, the atomizing nozzle 23 includes a mounting flange 231, a cylinder 232 is fixedly connected to the mounting flange 231, a top of the cylinder 232 is fixed to a bottom end of the branch pipe 22, and an end of the branch pipe 22 located inside the cylinder 232 is communicated with an atomizing nozzle 233.
The outer diameter of the flange 231 is 129mm, the diameter of the bolt hole is 12mm, the size of the cylinder 232 is 89 x 4.5mm, the water spraying flow of the spraying nozzle 233 is 5L/min, and the atomizing angle is 48 degrees.
In the embodiment, the atomizing nozzles 23 in each stage of spraying group are customized for field measurement, so that a good atomizing effect is ensured, external mounting at the top is realized through the flange 231, corrosion, aging and blockage are avoided, and the maintenance is convenient; an electromagnetic valve 25 and a manual door 24 are arranged at the inlet, and the number of the atomizing nozzles 23 is controlled through the manual door 24, so that the flow of the spraying water is controlled;
in the present embodiment, the logic design: the arc-section high-material-level slag-turning interlocking device delays a certain time to open the first-level spraying electromagnetic valve 25, the second-level slag temperature is more than or equal to 120 ℃ and the first-level spraying group is triggered to be thrown into the arc-section high-material-level slag-turning interlocking device, and the second-level spraying electromagnetic valve 25 is interlocked and opened together with the first-level spraying group, and the signal duration of each-level spraying time is the same as that of the high-material-level slag-turning interlocking device, so that accurate water spraying is achieved, excessive water spraying is avoided, and the slag temperature is reduced step by step.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides an accurate water spray cooling system of air-cooled dry sediment machine, is including being dry sediment machine body (1) that the slope set up, its characterized in that, dry sediment machine body (1) inner wall inclined plane is provided with two sets of spray assembly (2), the inclined plane of dry sediment machine body (1) inner wall is provided with two temperature measurement subassembly (3), two temperature measurement subassembly (3) are located one side of two sets of spray assembly (2) respectively, one side at the top of dry sediment machine body (1) is provided with turns over sediment subassembly (4).
2. The accurate water spray cooling system of air-cooled dry sediment machine of claim 1, characterized in that, the inclination of dry sediment machine body (1) is 18.5 degrees.
3. The accurate water spray cooling system of air-cooled dry sediment machine of claim 1, characterized in that, spray assembly (2) includes water pipe (21), three branch pipes (22) are connected on water pipe (21), the bottom of three branch pipes (22) all is provided with atomizing nozzle (23).
4. The accurate water spray cooling system of the air-cooled slag dryer according to claim 3, characterized in that three branch pipes (22) are provided with manual doors (24), and electromagnetic valves (25) are arranged on the three branch pipes (22), and the three electromagnetic valves (25) are respectively located below the three manual doors (24).
5. The accurate water spray cooling system of air-cooled dry sediment machine of claim 3, characterized in that, atomizing nozzle (23) includes mounting flange (231), fixedly connected with barrel (232) on mounting flange (231), the top of barrel (232) is fixed in the bottom of branch pipe (22), the branch pipe (22) is located the inside one end of barrel (232) and is communicate with atomizer (233).
6. The accurate water spray cooling system of air-cooled dry sediment machine of claim 5, characterized in that, the external diameter of flange (231) is 129mm, and the bolt hole diameter is 12mm, the size of barrel (232) is 89 x 4.5mm, and the water spray flow of spray nozzle (233) is 5L/min, and the atomizing angle is 48 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122025548.XU CN215982621U (en) | 2021-08-26 | 2021-08-26 | Accurate water spray cooling system of air-cooled dry sediment machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122025548.XU CN215982621U (en) | 2021-08-26 | 2021-08-26 | Accurate water spray cooling system of air-cooled dry sediment machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215982621U true CN215982621U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122025548.XU Active CN215982621U (en) | 2021-08-26 | 2021-08-26 | Accurate water spray cooling system of air-cooled dry sediment machine |
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| CN (1) | CN215982621U (en) |
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2021
- 2021-08-26 CN CN202122025548.XU patent/CN215982621U/en active Active
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