CN213872163U - Coal mill large roller injection device - Google Patents
Coal mill large roller injection device Download PDFInfo
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- CN213872163U CN213872163U CN202022786157.5U CN202022786157U CN213872163U CN 213872163 U CN213872163 U CN 213872163U CN 202022786157 U CN202022786157 U CN 202022786157U CN 213872163 U CN213872163 U CN 213872163U
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Abstract
The utility model relates to the technical field of coal mill equipment manufacture, in particular to a coal mill large cone injection device which is provided with a large cone protective cover, a hole is arranged on the large cone protective cover, and the injection device is characterized in that the hole of the large cone protective cover is provided with an injection component, the injection component comprises an injection plate, an injection head, an oil injection pipe, an oil mist pipe, an air injection pipe, a triplet, an air duct, a gas pipe, a wind source main pipe, an oil pump, an electromagnetic directional valve and an oil tank, the oil pump is arranged on the oil tank, the oil pumping pipe of the oil pump is connected with the oil tank, the oil outlet pipe of the oil pump is connected with the injection head through the oil injection pipe, the oil pump is connected with the electromagnetic directional valve through a connecting pipeline, the electromagnetic directional valve is connected with the wind source main pipe through the gas pipe, the wind source main pipe is communicated with the gas pipe and the air duct through a tee joint, the air duct is respectively communicated with the oil mist pipe and the air injection pipe, the oil mist pipe and the air injection pipe are respectively connected with the injection head, the lubricating device has the advantages of good spraying effect, capability of avoiding oil pipe blockage, good lubricating effect, reduction in maintenance workload and the like.
Description
Technical Field
The utility model belongs to the technical field of coal pulverizer equipment preparation technique and specifically relates to a simple structure, convenient to use, spray effectual, avoid oil pipe to block up, lubricated effectual, reduce the coal pulverizer big gear wheel injection apparatus who overhauls work load.
Background
As is known, a coal mill matched with a 2X 320MW unit project of a power plant is an MTZ3570 type steel ball low-speed coal mill. The original 680# lubricating oil in an oil tank is sprayed onto a large gear by a small air compressor for lubricating the large gear and the small gear of the coal mill, the lubricating oil cannot be sprayed as long as the air compressor fails in normal operation, an oil pipe is often blocked, the lubricating effect of the large gear and the small gear is affected, and the overhauling workload is increased.
Disclosure of Invention
The utility model aims at solving the deficiencies of the above prior art, provide a coal pulverizer big gear wheel injection apparatus of simple structure, convenient to use, spray effectual, avoid oil pipe to block up, lubricated effectual, the reduction maintenance work volume.
The utility model provides a technical scheme that its technical problem adopted is:
a coal mill large cone injection device is provided with a large cone protective cover, the large cone protective cover is provided with an opening, and the coal mill large cone injection device is characterized in that an injection assembly is arranged at the opening of the large cone protective cover, the injection assembly comprises an injection plate, an injection head, an oil injection pipe, an oil mist pipe, an air injection pipe, a triplet, an air guide pipe, a gas transmission pipe, a wind source main pipe, an oil pump, an electromagnetic directional valve and an oil tank, the oil tank is provided with the oil pump, the oil pumping pipe of the oil pump is connected with the oil tank, the oil outlet pipe of the oil pump is connected with the injection head through the oil injection pipe, the air inlet and the air return of the oil pump are connected with the electromagnetic directional valve through a connecting pipeline, the air inlet and the air return of the oil pump are controlled by the electromagnetic directional valve, the electromagnetic directional valve is connected with the wind source main pipe through the gas transmission pipe, the wind source main pipe is communicated with the gas transmission pipe and the air guide pipe through the triplet, the air guide pipe is respectively communicated with the oil mist pipe and the air injection pipe through the triplet, the oil mist pipe and the gas injection pipe are respectively connected to the injection head, the injection head is fixed on the injection plate and faces towards the large gear wheel, the injection plate is fixed on the large gear wheel protective cover through a support, and valves for controlling the on-off of the pipelines are respectively arranged on the oil mist pipe, the oil injection pipe and the gas injection pipe.
Oil mist pipe and jet-propelled pipe on be equipped with oil mist solenoid valve and jet-propelled solenoid valve respectively, control respectively through oil mist solenoid valve and jet-propelled solenoid valve and carry out the atomizing or the nozzle jet-propelled of oil.
Spout the oil pipe on be equipped with manometer and oil delivery solenoid valve respectively, through oil delivery solenoid valve control oil spout, detect the oil delivery pressure who spouts the oil pipe through the manometer.
The gas pipe on be equipped with the air-vent valve, adjust gas transmission pressure through the air-vent valve.
Air supply house steward be connected with outside air compressor machine, carry the air through the air compressor machine.
The injector head establish to pneumatic plunger type injector head, the injector head is equipped with six and the equipartition is arranged on the injection board, guarantees to spray the effect.
The utility model discloses owing to adopt above-mentioned structure, have simple structure, convenient to use, spray effectual, avoid oil pipe to block up, lubricated effectual, reduce advantages such as maintenance work load.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, the large cone injection device of the coal mill is provided with a large cone protective cover 1, the large cone protective cover 1 is provided with an opening, and the large cone injection device is characterized in that an injection assembly is arranged at the opening of the large cone protective cover 1, the injection assembly comprises an injection plate 2, an injection head 18, an oil injection pipe 3, an oil mist pipe 4, an injection pipe 5, a triplet 6, an air duct 7, an air duct 8, a wind source main pipe 9, an oil pump 10, an electromagnetic reversing valve 11 and an oil tank 13, the oil tank 13 is provided with the oil pump 10, an oil pumping pipe of the oil pump 10 is connected with the oil tank 13, an oil outlet pipe of the oil pump 10 is connected with the injection head 18 through the oil injection pipe 3, the air inlet and the air return of the oil pump 10 are connected with the electromagnetic reversing valve 11 through connecting pipelines, the air inlet and the air return of the oil pump 10 are controlled by the electromagnetic reversing valve 11, the electromagnetic reversing valve 11 is connected with the wind source main, the gas guide pipe 7 is respectively communicated with the oil mist pipe 4 and the gas injection pipe 5 through a triplet 6, the oil mist pipe 4 and the gas injection pipe 5 are respectively connected onto the injection head 18, the injection head 18 is fixed on the injection plate 2 and faces towards the large cone, the injection plate 2 is fixed on the large cone protective cover 1 through a support 19, and valves for controlling the on-off of pipelines are respectively arranged on the oil mist pipe 4, the oil injection pipe 3 and the gas injection pipe 5.
Furthermore, the oil mist pipe 4 and the gas injection pipe 5 are respectively provided with an oil mist electromagnetic valve 12 and a gas injection electromagnetic valve 14, and the oil mist electromagnetic valve 12 and the gas injection electromagnetic valve 14 are respectively used for controlling oil atomization or nozzle gas injection.
Further, a pressure gauge 15 and an oil delivery solenoid valve 16 are respectively arranged on the oil injection pipe 3, oil injection is controlled through the oil delivery solenoid valve 16, and the oil delivery pressure of the oil injection pipe 3 is detected through the pressure gauge 15.
Further, the air pipe 8 is provided with a pressure regulating valve 17, and the air pressure is regulated through the pressure regulating valve 17.
Further, the air source main pipe 9 is connected with an external air compressor, and air is conveyed through the air compressor.
Furthermore, the spray head 18 is a pneumatic plunger type spray head 18, and six spray heads 18 are arranged on the spray plate 2 in an evenly distributed manner, so that the spray effect is ensured.
When the utility model is used, the injection device is arranged in the large cone protective cover 1, the injection plate 2 in the injection device is fixed on the large cone protective cover 1 through the bracket 19, the injection head 18 on the injection plate 2 faces the direction of the large cone, the injection assembly can be injected in the large cone protective cover 1 or outside the large cone protective cover 1, and the large cone protective cover 1 and the injection assembly are sealed to isolate the external dust pollution, meanwhile, when in use, because the air compressor is arranged outside, the air compressor can be used as compressed air for the detection of the zero meter layer of the boiler, the oil delivery electromagnetic valve 16, the oil mist electromagnetic valve 12, the air injection electromagnetic valve 14, the triplet 6 and the electromagnetic reversing valve 11 are respectively controlled to realize the oil delivery and the spray nozzle of the oil mist injection head 18, the spray nozzle is communicated with the injection head 18 by the air injection, the oil stain is prevented from blocking the spray nozzle of the injection head 18, the oil injection and the air injection working time are well adjusted, and (3) the interval time is set, so that the tooth surface can just form the optimal lubricating oil film, the oil does not fall, oil can be sprayed for 15 seconds firstly, and then air can be sprayed for 20 seconds, when the nozzle is blocked, oil mist treatment can be firstly carried out, then air can be sprayed, and then the spraying head 18 can be cleaned.
The utility model provides a lubricated effect of coal pulverizer injection apparatus, make the big gear wheel flank of tooth of coal pulverizer obtain abundant lubrication, reducing wear, the extension equipment life, waste oil has been reduced, be favorable to the energy saving and emission reduction work of my factory, can make equipment operational reliability obtain very big improvement, the maintenance work volume at ordinary times of maintenance has been alleviateed, change the big gear wheel lubricating oil of coal pulverizer, not only very simple swift, but also can not leak, make on-the-spot civilization health obtain very big guarantee, owing to adopt above-mentioned structure, simple structure has, high durability and convenient use, it is effectual to spray, avoid oil pipe to block up, it is lubricated effectual, reduce advantages such as maintenance work volume.
Claims (6)
1. A coal mill large cone injection device is provided with a large cone protective cover, the large cone protective cover is provided with an opening, and the coal mill large cone injection device is characterized in that an injection assembly is arranged at the opening of the large cone protective cover, the injection assembly comprises an injection plate, an injection head, an oil injection pipe, an oil mist pipe, an air injection pipe, a triplet, an air guide pipe, a gas transmission pipe, a wind source main pipe, an oil pump, an electromagnetic directional valve and an oil tank, the oil tank is provided with the oil pump, the oil pumping pipe of the oil pump is connected with the oil tank, the oil outlet pipe of the oil pump is connected with the injection head through the oil injection pipe, the air inlet and the air return of the oil pump are connected with the electromagnetic directional valve through a connecting pipeline, the air inlet and the air return of the oil pump are controlled by the electromagnetic directional valve, the electromagnetic directional valve is connected with the wind source main pipe through the gas transmission pipe, the wind source main pipe is communicated with the gas transmission pipe and the air guide pipe through the triplet, the air guide pipe is respectively communicated with the oil mist pipe and the air injection pipe through the triplet, the oil mist pipe and the gas injection pipe are respectively connected to the injection head, the injection head is fixed on the injection plate and faces towards the large gear wheel, the injection plate is fixed on the large gear wheel protective cover through a support, and valves for controlling the on-off of the pipelines are respectively arranged on the oil mist pipe, the oil injection pipe and the gas injection pipe.
2. The coal mill roller cone injection device of claim 1, wherein the oil mist pipe and the air injection pipe are respectively provided with an oil mist solenoid valve and an air injection solenoid valve, and the oil mist solenoid valve and the air injection solenoid valve are respectively used for controlling oil atomization or nozzle air injection.
3. The large cone injection device of the coal mill as claimed in claim 1, wherein the oil injection pipe is provided with a pressure gauge and an oil delivery solenoid valve, oil injection is controlled by the oil delivery solenoid valve, and the oil delivery pressure of the oil injection pipe is detected by the pressure gauge.
4. The coal mill roller cone injection device as claimed in claim 1, wherein the gas transmission pipe is provided with a pressure regulating valve, and the gas transmission pressure is regulated by the pressure regulating valve.
5. The coal mill roller cone injection device as claimed in claim 1, wherein the air source manifold is connected to an external air compressor, and air is delivered through the air compressor.
6. The coal mill roller cone injection apparatus as claimed in claim 1, wherein the injection head is a pneumatic plunger type injection head, and six injection heads are provided and arranged uniformly on the injection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786157.5U CN213872163U (en) | 2020-11-27 | 2020-11-27 | Coal mill large roller injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786157.5U CN213872163U (en) | 2020-11-27 | 2020-11-27 | Coal mill large roller injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213872163U true CN213872163U (en) | 2021-08-03 |
Family
ID=77063838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022786157.5U Active CN213872163U (en) | 2020-11-27 | 2020-11-27 | Coal mill large roller injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213872163U (en) |
-
2020
- 2020-11-27 CN CN202022786157.5U patent/CN213872163U/en active Active
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