CN218611694U - Circular seam adjustable air-water combined atomizing spray disk - Google Patents
Circular seam adjustable air-water combined atomizing spray disk Download PDFInfo
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- CN218611694U CN218611694U CN202223374766.5U CN202223374766U CN218611694U CN 218611694 U CN218611694 U CN 218611694U CN 202223374766 U CN202223374766 U CN 202223374766U CN 218611694 U CN218611694 U CN 218611694U
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Abstract
The utility model discloses a disk is spouted in joint atomizing of annular gap adjustable air water relates to metal powder atomizing device technical field. The method comprises the following steps: the fixed pressing plate is located above the fixed base plate, the gas atomization module and the water atomization module are clamped between the fixed pressing plate and the fixed base plate, the gas atomization module is located above the water atomization module, and the base plate is located between the gas atomization module and the water atomization module. The utility model discloses only change through a module to in the gas atomization module, just can change atomizing air current characteristic (angle, flow, velocity of flow etc.) to reach the atomizing effect of formulating, realized that a spraying disc can produce polytype metal powder.
Description
Technical Field
The utility model relates to a metal powder atomizing device technical field specifically is a circular seam adjustable air water jointly atomizes and spouts dish.
Background
80% of metal or alloy powder used in powder metallurgy is produced by an atomization method. In recent years, a novel water-gas combined atomization technology is gradually developed in the field of metal powder atomization, and the water-gas combined atomization technology has the advantages of combining the characteristics of high efficiency of water atomization and high quality of gas atomization. Generally, the spray disks used for atomization are fixed in structure, one spray disk can only be suitable for production of one type of powder, and water-air combined atomization is no exception, so that in the actual production process, when different types of powder or different types of powder with different characteristics are required, the whole spray disk needs to be replaced, even the whole spray disk is connected with a related air inlet and water inlet system, and the production efficiency is influenced. The existing Chinese patent (CN 107414092A) provides an atomized powder spray disk, which can only adjust the spray position of the nozzle, but can not change the atomized airflow characteristics.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at provides a circular seam adjustable air water jointly atomizes and spouts dish to solve above-mentioned problem.
In order to achieve the above object, the utility model provides a circular seam adjustable air water jointly atomizes and spouts dish, include: the fixed pressing plate is located above the fixed base plate, the gas atomization module and the water atomization module are clamped between the fixed pressing plate and the fixed base plate, the gas atomization module is located above the water atomization module, and the backing plate is located between the gas atomization module and the water atomization module.
Further, the gas atomization module comprises a gas atomization replaceable module and a gas atomization fixed module, and the gas atomization replaceable module is connected to the upper portion of the gas atomization fixed module through a screw.
Furthermore, a sealing ring is arranged between the gas atomization replaceable module and the gas atomization fixed module.
Further, a Raoult structure nozzle is formed between the gas atomization replaceable module and the gas atomization fixed module, two gas grooves are formed between the gas atomization replaceable module and the gas atomization fixed module, and gas enters the Raoult structure nozzle through a slit after passing through the first gas groove and the second gas groove.
Furthermore, the atomizing included angle range of the nozzle with the Raoult structure is 30-45 degrees, and the atomizing included angle range is changed by replacing an air atomizing replaceable module.
Furthermore, an atomizing water tank and a plurality of atomizing nozzles are arranged in the water atomizing module, the atomizing nozzles are communicated with the atomizing water tank, and the spray angles of any two symmetrical atomizing nozzles are in the same focus.
The beneficial effects of the utility model reside in that:
the utility model discloses only change through the gas atomization interchangeable module to in the gas atomization module, just can change atomizing air current characteristic (angle, flow, velocity of flow etc.) to reach the atomization effect of formulating, realized that a spraying disc can produce polytype metal powder.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, in the figure: 1-fixed pressing plate, 2-gas atomization replaceable module, 3-gas atomization fixed module, 4-backing plate, 5-sealing ring, 6-water atomization module and 7-fixed base plate.
Detailed Description
To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Considering that a plurality of sets of spraying disks need to be prepared when manufacturers face different types and specifications of metal powder, sometimes the assembling tools are different due to different manufacturers of the spraying disks, so that the transformation of a water inlet and air inlet system is involved when the spraying disks are replaced, and the production efficiency is influenced. In fact, the spray disk is replaced mainly to change the angle, flow rate and flow rate of the gas atomization circular seam and the like so as to adapt to the atomization requirements of different metal powders. Aiming at the problems, the invention designs the air-water combined atomizing spray disk with the adjustable circular seam.
As shown in fig. 1, the utility model provides a circular seam adjustable air water jointly atomizes and spouts dish, include: fixing clamp plate 1, gas atomization module, backing plate 4, water atomization module 6 and fixed baseplate 7, wherein, fixing clamp plate 1 is located fixed baseplate 7 top, gas atomization module and 6 centre grippings of water atomization module are in fixing clamp plate 1 with between the fixed baseplate 7, the gas atomization module is located water atomization module 6 top, backing plate 4 is located the gas atomization module with between the water atomization module 6. The fixed pressing plate 1 and the fixed base plate 7 mainly fix the middle gas atomization module, the backing plate 4 and the water atomization module 6, and limit the movement of the modules. The base plate 4 below the gas atomization module can play a role in limiting the gas atomization module and the water atomization module 6. The relative height of the gas atomization cone and the water atomization cone can be adjusted through the backing plate 4, so that the powder characteristics can be flexibly regulated and controlled.
The gas atomization module comprises a gas atomization replaceable module 2 and a gas atomization fixed module 3, wherein the gas atomization replaceable module 2 is connected above the gas atomization fixed module 3 through a screw. The gas atomization replaceable module 2 and the gas atomization fixed module 3 are provided with a sealing ring 5 therebetween, and the replaceable module is assembled in a detachable sealing mode and realizes gas sealing through the sealing ring 5. Gas atomization interchangeable module 2 and gas atomization are decided and are formed Raoult structure nozzle between the module 3, are provided with two gas tanks between gas atomization interchangeable module 2 and gas atomization fixed module 3, and gaseous gets into Raoult structure nozzle through the slit behind first gas tank and the second gas tank, and gas atomization nozzle between gas atomization interchangeable module 2 and the gas atomization fixed module 3 is the circumferential weld formula structure. The atomizing included angle range of the Raoult structure nozzle is 30-45 degrees, and the atomizing included angle range is changed by replacing the gas atomizing replaceable module 2, so that the effect of changing the gas atomizing angle is achieved. The assembly structure of the whole spray disk is not changed, the operation is simple, and the airflow structure can be adjusted in a larger range only by replacing the gas atomization replaceable module 2.
An atomizing water tank and a plurality of atomizing nozzles are arranged in the water atomizing module 6, the atomizing nozzles are communicated with the atomizing water tank, and the spray angles of any two symmetrical atomizing nozzles are in the same focus.
The jet medium flows of the gas atomizing nozzle and the water atomizing nozzle can not be crossed, otherwise, the medium flows can be attenuated, and the atomizing effect is influenced.
Adopt sealing washer 5 to seal between gas atomization interchangeable module 2 and gas atomization fixed module 3, the centre is provided with two gas tanks, and gas carries out the first time atomizing to the metal melt after getting into Raoult structure nozzle through the slit behind first gas tank and the second gas tank. The middle of the fixed pressing plate 1 is provided with a metal liquid guide pipe, and in the practical application process, the lower end of the metal liquid guide pipe is required to be ensured to be in a negative pressure state, so that the situation of back spraying is avoided. The base plate 4 is arranged below the gas atomization module, and can limit the gas atomization module and the water atomization module 6. Below the backing plate is a water atomization module 6, which consists of an atomization water tank and an atomization nozzle. High-pressure water flow enters the atomization water tank through the water inlet, and forms a water jet through the atomization nozzle under pressure to carry out secondary atomization on the metal melt.
Adopt the utility model discloses a preparation that disk is spouted in joint atomizing of air water of circumferential weld adjustable is used for metal copper powder, and concrete process is: the method comprises the following steps of placing a copper metal block in a medium-frequency smelting furnace, pouring the copper metal block into a tundish when the temperature reaches the atomization required temperature, enabling a copper metal melt to flow out through a tundish leak hole, crushing a molten metal flow into liquid drops by high-pressure gas, enabling the liquid drops to be finer under the impact of two times of high-pressure water flows, contracting into a nearly spherical shape under the action of surface tension in the falling process, and solidifying into metal powder. Because the high-pressure water participates in atomization, the prepared powder is finer than the traditional gas atomization. Compared with the traditional water atomization, the gas is involved in atomization in the early stage to achieve the powder with the same particle size, the amount of atomized water used is greatly reduced, the solidification of the powder is delayed, and the particle size of the powder is closer to a spherical shape. The D50 of the powder of the copper metal powder was 21.23 μm, the yield was 300kg/h and the oxygen content of the powder was less than 0.15%.
The utility model discloses only change through the gas atomization interchangeable module to in the gas atomization module, just can change atomizing air current characteristic (angle, flow, velocity of flow etc.) to reach the atomization effect of formulating, realized that a spraying disc can produce polytype metal powder, reach improvement production efficiency, reduction in production cost's effect. Under the condition of only changing the gas atomizing interchangeable module, realized atomizing of metal copper powder and atomizing of 312 stainless steel powder, the implementation effect is: the D50 of the powder of the copper metal powder is 21.23 mu m, the yield is 300kg/h, and the oxygen content of the powder is lower than 0.15 percent; 312 stainless steel powder has a D50 of 8.54. Mu.m, a yield of 350kg/h and an oxygen content of less than 0.02%.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention are all within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a circular seam adjustable air water unites atomizing and spouts dish which characterized in that includes: the fixed pressing plate is located above the fixed base plate, the gas atomization module and the water atomization module are clamped between the fixed pressing plate and the fixed base plate, the gas atomization module is located above the water atomization module, and the backing plate is located between the gas atomization module and the water atomization module.
2. The gas-water combined atomizing spray disk with the adjustable circular seam as claimed in claim 1, wherein the gas atomizing module comprises a gas atomizing replaceable module and a gas atomizing fixed module, and the gas atomizing replaceable module is connected above the gas atomizing fixed module through a screw.
3. The gas-water combined atomizing spray disk with the adjustable circular seam as claimed in claim 2, wherein a sealing ring is arranged between the gas atomizing replaceable module and the gas atomizing fixed module.
4. The gas-water combined atomizing spray disk with the adjustable circular seam as claimed in claim 3, wherein a Raoult nozzle is formed between the gas atomizing replaceable module and the gas atomizing fixed module, two gas grooves are arranged between the gas atomizing replaceable module and the gas atomizing fixed module, and gas enters the Raoult nozzle through the slit after passing through the first gas groove and the second gas groove.
5. The air-water combined atomizing spray disk with the adjustable circular seam as claimed in claim 4, wherein the atomizing included angle of the nozzle in the Raoult structure ranges from 30 degrees to 45 degrees, and the atomizing included angle is changed by replacing the air atomizing replaceable module.
6. The air-water combined atomizing spray disk with the adjustable circular seam as claimed in claim 1, wherein the water atomizing module is provided therein with an atomizing water tank and a plurality of atomizing nozzles, the atomizing nozzles are communicated with the atomizing water tank, and the spray angles of any two symmetrical atomizing nozzles are in the same focus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223374766.5U CN218611694U (en) | 2022-12-15 | 2022-12-15 | Circular seam adjustable air-water combined atomizing spray disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223374766.5U CN218611694U (en) | 2022-12-15 | 2022-12-15 | Circular seam adjustable air-water combined atomizing spray disk |
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| Publication Number | Publication Date |
|---|---|
| CN218611694U true CN218611694U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223374766.5U Active CN218611694U (en) | 2022-12-15 | 2022-12-15 | Circular seam adjustable air-water combined atomizing spray disk |
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| CN (1) | CN218611694U (en) |
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2022
- 2022-12-15 CN CN202223374766.5U patent/CN218611694U/en active Active
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