CN210475471U - Centrifuge external cooling device - Google Patents
Centrifuge external cooling device Download PDFInfo
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- CN210475471U CN210475471U CN201921303192.8U CN201921303192U CN210475471U CN 210475471 U CN210475471 U CN 210475471U CN 201921303192 U CN201921303192 U CN 201921303192U CN 210475471 U CN210475471 U CN 210475471U
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Abstract
The utility model discloses an external cooling device of a centrifugal machine, which comprises a water spraying mechanism and an air cooling mechanism which are arranged at the pipe orifice of a cast pipe centrifugally cast by the centrifugal machine, wherein the water spraying mechanism can spray water towards the pipe orifice of the cast pipe; and the wind energy blown out by the wind cooling mechanism can drive the water sprayed out by the water spraying mechanism to pass through the casting pipe to form cooling airflow. The centrifugal machine external cooling device directly sprays water mist outside the casting pipe by using a fan to blow air, and directly increases external air convection and water mist on the casting pipe, thereby effectively improving the cooling efficiency of the casting pipe, being capable of improving the cooling efficiency of the casting pipe obtained by centrifugal casting and greatly improving the productivity of the centrifugal casting.
Description
Technical Field
The utility model relates to a centrifugal casting field specifically relates to a centrifuge outer cooling device.
Background
Centrifugal casting machines, also referred to in the industry as centrifuges for short. The molten metal is poured into a rotary casting mould, and filling, solidification and molding are completed under the action of centrifugal force to obtain a metal casting. The centrifugal casting machine is used for casting liquid metal into the rotary casting mould, and the liquid metal is filled and solidified into a casting under the action of centrifugal force. The centrifugal casting is characterized in that the molten metal is filled and solidified under the action of centrifugal force, the metal feeding effect is good, the casting structure is compact, and the mechanical property is good; casting head is not needed for casting the hollow casting, and the metal utilization rate can be greatly improved. The main working principle is as follows: the rotary piece (mould) positioned by a plurality of riding wheels is located on the main bearing, the main bearing is driven by the main drive motor to move, the metal liquid is poured into the mould, and the metal liquid is tightly attached to the inner surface of the mould through the rotary centrifugal force, so that products such as a centrifugal composite roller, a roller ring, a cast pipe and the like are manufactured, and the products are collectively called as the cast pipe.
At present, the centrifugal machine is cooled by cooling water in the machine, the water cooling is a main cooling means for casting the cast iron pipe, the cooling efficiency is also a main influence factor of the production efficiency of the centrifugal machine, at present, only the cooling in the machine is relied on, the pipe die is directly cooled, and the cooling of the cast iron pipe is caused by the cooling of the pipe die, so that the cooling efficiency of the cast iron pipe is not ideal. Therefore, how to further improve the cooling efficiency of the cast iron pipe is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centrifuge outer cooling device and outer cooling method, this centrifuge outer cooling device can improve the cooling efficiency through the cast pipe of centrifugal casting gained, improves centrifugal casting's productivity ratio greatly.
In order to achieve the purpose, the utility model provides an external cooling device of a centrifugal machine, which comprises a water spraying mechanism and an air cooling mechanism which are arranged at the mouth of a cast pipe centrifugally cast by the centrifugal machine, wherein the water spraying mechanism can spray water towards the mouth of the cast pipe; and the wind energy blown out by the wind cooling mechanism can drive the water sprayed out by the water spraying mechanism to pass through the casting pipe to form cooling airflow.
Preferably, the water spraying mechanism comprises a water pump communicated with the water tank, a plurality of nozzles and an annular water pipe communicated with the nozzles, and the annular water pipe is communicated with the water pump.
Preferably, a plurality of through holes are formed in a panel of the nozzle, and air blown out by the air cooling mechanism can drive water sprayed out by the water spraying mechanism to pass through the casting pipe through the through holes so as to form cooling air flow.
Preferably, the air cooling mechanism is a fan.
Preferably, the water-saving device further comprises a water pan arranged below the casting pipe, and the lower part of the water pan is communicated with the water tank.
Preferably, the water tank further comprises an exhaust fan arranged on one side below the casting pipe, and the exhaust pipeline is communicated with the top of the water tank.
Preferably, the method comprises the step of cooling the casting pipe centrifugally cast by the centrifuge by applying the centrifuge external cooling device described above.
Preferably, the water spraying mechanism is included for spraying water towards the nozzle of the cast pipe; and the air blown out by the air cooling mechanism drives the water sprayed out by the water spraying mechanism to pass through the casting pipe to form cooling airflow.
Preferably, the method further comprises returning water in the cooling air stream to the water tank.
In the technical scheme, the utility model provides an outer cooling device of centrifuge is outside through the method to direct water spray at the cast tube to use the fan to blow, directly increase outside air convection and water spray on the cast tube, effectively improved the cooling efficiency of cast tube, can improve centrifugal casting's productivity ratio. The utility model discloses an outer cooling device of centrifuge can use based on original centrifuge that has interior cooling function, also can replace original interior cooling mode to improve centrifuge's selectivity, be favorable to reduction in production cost. Molten iron is cooled and formed after a pipe die is poured, an annular water pipe is additionally arranged at the tail end (the pipe orifice of a cast pipe) of the centrifuge, a plurality of nozzles are arranged on the annular water pipe, water is supplied by a high-pressure pump for spraying, a high-power fan is arranged behind the annular water pipe, the atomization effect of water is increased, air convection in the pipe is simultaneously manufactured, and the cooling efficiency of the cast pipe is improved. If the centrifugal machine has an internal cooling function, the pipe die can be cooled through internal cooling water, the cast iron pipe can be cooled indirectly, and the production efficiency is further improved.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an external cooling device of a centrifuge according to a preferred embodiment of the present invention.
Description of the reference numerals
1 casting tube 2 cooling air flow
3 water pump 4 nozzle
5 fan 6 water pan
7 water tank 8 exhaust fan
9 pipe die
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, side, rear, top" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1, the utility model provides an external cooling device for a centrifuge, which comprises a water spraying mechanism and an air cooling mechanism which are arranged at the pipe orifice of a cast pipe 1 centrifugally cast by the centrifuge, wherein the water spraying mechanism can spray water towards the pipe orifice of the cast pipe 1; and the wind energy blown out by the wind cooling mechanism can drive the water sprayed out by the water spraying mechanism to pass through the casting pipe 1 to form a cooling airflow 2.
In the technical scheme, the utility model provides a centrifuge's external cooling device is outside through the method to direct water spray at cast tube 1 to use fan 5 to blow, directly increase outside convection current and water spray on cast tube 1, effectively improved cast tube 1's cooling efficiency, can improve centrifugal casting's productivity ratio. The utility model discloses an outer cooling device of centrifuge can use based on original centrifuge that has interior cooling function, also can replace original interior cooling mode to improve centrifuge's selectivity, be favorable to reduction in production cost. The molten iron is at the pipe die pouring completion postcooling shaping, uses the utility model discloses, at centrifuge tail end (1 mouth of pipe department of cast pipe) increase annular water pipe, a plurality of nozzles of higher authority installation, supply water through the high-pressure pump and spray, the high-power fan of annular water pipe rear installation increases the atomizing effect of water, makes intraductal air convection simultaneously, improves cast iron pipe cooling efficiency. If the centrifugal machine has an internal cooling function, the pipe die can be cooled through internal cooling water, the cast iron pipe can be cooled indirectly, and the production efficiency is further improved.
In a preferred embodiment of the present invention, the water spraying mechanism includes a water pump 3 communicated with the water tank 7, a plurality of nozzles 4 and an annular water pipe communicated with the plurality of nozzles 4, and the annular water pipe is communicated with the water pump 3.
In the utility model relates to a preferred embodiment, set up a plurality of through-holes on the panel of nozzle 4, the wind that air cooling mechanism blew off can pass through a plurality of through-holes drive the water that water spraying mechanism spun accesss to in the cast tube 1 in order to form cooling air flow 2.
In a preferred embodiment of the present invention, the air cooling mechanism is a fan 5.
The utility model relates to a preferred embodiment, still including set up in water collector 6 of the below of cast tube 1, water collector 6's below is linked together with water pitcher 7. Like this, cooling air current 2 partly cooling flows to on water collector 6, flows to in the water pitcher 7 again, realizes the partial circulation of cooling water, has improved the utilization ratio of water, simultaneously, has reduced the emission of waste water.
In a preferred embodiment of the present invention, the device further comprises an exhaust fan 8 disposed at one side below the casting pipe 1, and the exhaust pipeline is communicated with the top of the water tank 7. At the cooling initial stage, most cooling air current 2 still is the state of gasification when in through cast tube 1, can send the steam of gasification to water pitcher 7 through the pipeline through air exhauster 8, and at this in-process, the steam cooling flows to water pitcher 7 in, realizes the circulation of cooling water, has improved the utilization ratio of water, simultaneously, has reduced the emission of waste water.
In a preferred embodiment of the present invention, the method comprises the step of cooling the cast pipe 1 centrifugally cast by the centrifuge by applying the centrifuge external cooling device described above.
In the technical scheme, the utility model provides a centrifuge's external cooling device is outside through the method to direct water spray at cast tube 1 to use fan 5 to blow, directly increase outside convection current and water spray on cast tube 1, effectively improved cast tube 1's cooling efficiency, can improve centrifugal casting's productivity ratio. The utility model discloses an outer cooling device of centrifuge can use based on original centrifuge that has interior cooling function, also can replace original interior cooling mode to improve centrifuge's selectivity, be favorable to reduction in production cost. Molten iron is cooled and formed after a pipe die is poured, an annular water pipe is additionally arranged at the tail end (the pipe orifice of a cast pipe 1) of the centrifuge, a plurality of nozzles are arranged on the annular water pipe, water is supplied by a high-pressure pump for spraying, a high-power fan is arranged behind the annular water pipe, the atomization effect of water is increased, air convection in the pipe is simultaneously manufactured, and the cooling efficiency of the cast pipe is improved. If the centrifugal machine has an internal cooling function, the pipe die can be cooled through internal cooling water, the cast iron pipe can be cooled indirectly, and the production efficiency is further improved.
In a preferred embodiment of the present invention, the water spraying mechanism is used for spraying water towards the mouth of the casting pipe 1; and the air blown by the air cooling mechanism drives the water sprayed by the water spraying mechanism to flow into the casting pipe 1 to form a cooling air flow 2.
In a preferred embodiment of the present invention, it is further included that the water in the cooling air flow 2 flows back to the water tank 7. The circulation of cooling water can be realized, the utilization rate of water is improved, and meanwhile, the discharge of waste water is reduced.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (6)
1. The external cooling device of the centrifugal machine is characterized by comprising a water spraying mechanism and an air cooling mechanism which are arranged at a pipe orifice of a casting pipe (1) centrifugally cast by the centrifugal machine, wherein the water spraying mechanism can spray water towards the pipe orifice of the casting pipe (1); and the wind energy blown out by the wind cooling mechanism can drive the water sprayed out by the water spraying mechanism to pass through the casting pipe (1) to form a cooling air flow (2).
2. The centrifuge external cooling device according to claim 1, wherein the water spray mechanism comprises a water pump (3) communicated with a water tank (7), a plurality of nozzles (4) and an annular water pipe communicated with the plurality of nozzles (4), and the annular water pipe is communicated with the water pump (3).
3. The centrifuge external cooling device according to claim 2, wherein a plurality of through holes are arranged on the panel of the nozzle (4), and the air blown by the air cooling mechanism can drive the water sprayed by the water spraying mechanism to pass through the casting pipe (1) through the plurality of through holes to form the cooling air flow (2).
4. The centrifuge outer cooling device according to claim 3, wherein the air cooling mechanism is a fan (5).
5. The centrifuge external cooling device according to claim 4, further comprising a water pan (6) arranged below the casting pipe (1), wherein the lower part of the water pan (6) is communicated with a water tank (7).
6. The centrifuge external cooling device according to claim 5, further comprising an exhaust fan (8) disposed at one side below the casting pipe (1), and the exhaust duct is communicated with the top of the water tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303192.8U CN210475471U (en) | 2019-08-12 | 2019-08-12 | Centrifuge external cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303192.8U CN210475471U (en) | 2019-08-12 | 2019-08-12 | Centrifuge external cooling device |
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| Publication Number | Publication Date |
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| CN210475471U true CN210475471U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921303192.8U Active CN210475471U (en) | 2019-08-12 | 2019-08-12 | Centrifuge external cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340323A (en) * | 2019-08-12 | 2019-10-18 | 芜湖新兴铸管有限责任公司 | A kind of centrifuge external cooling device and outer cooling means |
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2019
- 2019-08-12 CN CN201921303192.8U patent/CN210475471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340323A (en) * | 2019-08-12 | 2019-10-18 | 芜湖新兴铸管有限责任公司 | A kind of centrifuge external cooling device and outer cooling means |
| CN110340323B (en) * | 2019-08-12 | 2024-03-19 | 芜湖新兴铸管有限责任公司 | External cooling device and external cooling method of centrifugal machine |
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