CN211601537U - Full-automatic double-layer electric heating roller kiln - Google Patents
Full-automatic double-layer electric heating roller kiln Download PDFInfo
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- CN211601537U CN211601537U CN201922329989.1U CN201922329989U CN211601537U CN 211601537 U CN211601537 U CN 211601537U CN 201922329989 U CN201922329989 U CN 201922329989U CN 211601537 U CN211601537 U CN 211601537U
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Abstract
The utility model discloses a full-automatic double-deck electrical heating roll table kiln, concretely relates to roll table kiln technical field, including the kiln wall body, the inside cooling body that is equipped with of kiln wall body, cooling body includes a plurality of first cold water pipes, the fixed first nozzle stub that is equipped with in first cold water bottom of the pipe portion, the fixed first connecting pipe that is equipped with in first cold water one end, first connecting pipe bottom is equipped with the second connecting pipe, the fixed a plurality of second cold water pipes that are equipped with in second connecting pipe one side, the fixed second nozzle stub that is equipped with in second cold water bottom of the pipe portion, first connecting pipe and the fixed first outlet pipe that is equipped with of second connecting pipe one end, the fixed water pump that is equipped with of first outlet pipe one end, the fixed second outlet pipe that is equipped with in water pump one side, the fixed water tank. The utility model discloses a kiln head department sets up a plurality of shower nozzles at roller kiln, utilizes the shower nozzle to spray cold water to the goods, utilizes the cold water heat absorption to cool off for the goods cooling.
Description
Technical Field
The embodiment of the utility model provides a roller way kiln technical field, concretely relates to full-automatic double-deck electrical heating roller way kiln.
Background
The roller kiln is a tunnel kiln with a long and narrow cross section, which is different from a kiln car tunnel kiln, and is not operated by a kiln car loaded with products, but a roller way is formed by a roller which is arranged in parallel and traverses the cross section of a working channel of the kiln, the products are placed on the roller way and are conveyed into the kiln along with the rotation of the roller, and the firing process is completed in the kiln, so the roller kiln is called.
The prior art has the following defects: the roller kiln is divided into a preheating zone, a firing zone and a cooling zone in the firing process, and most of the existing roller kiln cooling zones mostly adopt cold air to cool products, so that the cooling speed is low, and the time required by cooling the products is long, thereby influencing the firing speed of the products and the working efficiency of the whole firing work.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a full-automatic double-deck electrical heating roller way kiln is through setting up a plurality of shower nozzles in roller way kiln hood department, utilizes the shower nozzle to spray cold water to the goods, utilizes the cold water heat absorption to cool off for the goods cooling to solve among the prior art because the lower problem of work efficiency is fired to the goods that leads to at a slow speed of cold wind cooling.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the full-automatic double-layer electric heating roller bed kiln comprises a kiln wall body, wherein a cooling mechanism is arranged in the kiln wall body, and the cooling mechanism is arranged in the kiln wall body and extends out of one side of the kiln wall body;
the cooling mechanism comprises a plurality of first cold water pipes, the first cold water pipes are embedded at the top end inside the kiln wall body, first short pipes are fixedly arranged at the bottoms of the first cold water pipes, the first short pipes are embedded inside the kiln wall body, first sprinkling pipes are fixedly arranged at the bottoms of the first short pipes, one ends of the first sprinkling pipes are embedded inside one side wall of the kiln wall body, a plurality of first spray heads are fixedly arranged at the bottoms of the first sprinkling pipes, the first cold water pipes are arranged inside the kiln wall body and extend out of one side of the kiln wall body, a first connecting pipe is fixedly arranged at one end of each first cold water pipe, a second connecting pipe is arranged at the bottom of each first connecting pipe, a plurality of second cold water pipes are fixedly arranged at one side of each second connecting pipe, the second cold water pipes are arranged at one side of the kiln wall body and extend into the inside of the kiln wall body, a first partition plate is fixedly arranged inside the kiln wall body, and the, the utility model discloses a kiln furnace, including kiln wall body, kiln wall body lateral wall, second cold water pipe, second nozzle, first connecting pipe and second connecting pipe one end, first outlet pipe is established in kiln wall body one side, the fixed second sprinkler pipe that is equipped with in second nozzle bottom, the fixed second nozzle that is equipped with in second sprinkler pipe bottom, first connecting pipe and the fixed first outlet pipe that is equipped with of second nozzle bottom, first outlet pipe is established in kiln wall body one side, the fixed water pump that is equipped with in first outlet pipe one end, the water pump is established between kiln wall body and first outlet pipe, the fixed second outlet pipe that is equipped with in water pump one side, the fixed water tank that is equipped with in second outlet pipe one end, the water tank top is equipped with the second baffle, second baffle and kiln wall body inner wall fixed connection, the second baffle is established in second nozzle bottom.
Further, a fixed air exhauster that is equipped with of kiln wall body lateral wall, the air exhauster is established in first shower nozzle bottom, the fixed steam pipe that is equipped with in air exhauster one side, the steam pipe is established in first outlet pipe front side, the steam pipe is established and is extended kiln wall body one side in kiln wall body inside, the fixed condensing box that is equipped with of steam pipe one end, the fixed third outlet pipe that is equipped with in condensing box one side, third outlet pipe one end and water tank fixed connection.
Furthermore, a plurality of first water leakage holes are formed in the first partition plate, and a plurality of second water leakage holes are formed in the second partition plate.
Furthermore, two first baffles are fixedly arranged at the top of the first partition plate, and two second baffles are fixedly arranged at the top of the second partition plate.
Furthermore, a first water inlet pipe and a fourth water outlet pipe are fixedly arranged on the front side of the water tank, and the fourth water outlet pipe is arranged on one side of the first water inlet pipe.
Furthermore, a first switch valve is arranged on the first water inlet pipe, and a second switch valve is arranged on the fourth water outlet pipe.
Furthermore, a filter screen is embedded on one side wall of the water tank, and the filter screen is in contact with the inner wall of the second water outlet pipe.
Furthermore, a condensation pipe is arranged inside the condensation box, one end of the condensation pipe is fixedly connected with the steam pipe, the other end of the condensation pipe is fixedly connected with the third water outlet pipe, and cold water is filled between the condensation pipe and the condensation box.
Further, a second water inlet pipe is fixedly arranged at the top of the condensation box, a third switch valve is arranged on the second water inlet pipe, a fifth water outlet pipe is fixedly arranged on one side of the condensation box, and a fourth switch valve is arranged on the fifth water outlet pipe.
The embodiment of the utility model provides a have following advantage:
1. the utility model discloses a set up a plurality of shower nozzles in roller kiln cooling zone, utilize the shower nozzle to spray the cold water in the watering pipe on the goods, there is cold water and goods contact constantly in the period, cold water heat absorption cooling, thereby reach the purpose of cooling the goods, compare with prior art, accelerated the cooling speed of goods, thereby improved the work efficiency of whole firing work;
2. the utility model discloses an in utilizing the vapor of evaporation when the air exhauster is with cold water and goods contact to inhale the condenser drum, make vapor cooling liquefaction into aqueous liquid in the condenser drum, liquid rethread third outlet pipe flows into the water tank, compares with prior art, has realized the cyclic utilization of water resource, the effectual water resource of having practiced thrift.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a schematic view of a cooling mechanism provided by the present invention;
fig. 3 is an enlarged view of a in fig. 1 provided by the present invention;
fig. 4 is a schematic view of the structure of the first partition and the second cooling water pipe provided by the present invention;
fig. 5 is a side view provided by the present invention.
In the figure: the kiln comprises a kiln wall body 1, a first cold water pipe 2, a first short pipe 3, a first sprinkling pipe 4, a first spray head 5, a first connecting pipe 6, a second connecting pipe 7, a second cold water pipe 8, a second short pipe 9, a second sprinkling pipe 10, a second spray head 11, a first partition plate 12, a first water outlet pipe 13, a water pump 14, a second partition plate 15, a water tank 16, a second water outlet pipe 17, an exhaust fan 18, a steam pipe 19, a condensation box 20 and a third water outlet pipe 21.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached figures 1-5 of the specification, the full-automatic double-layer electric heating roller bed kiln comprises a kiln wall body 1, wherein a cooling mechanism is arranged inside the kiln wall body 1, and the cooling mechanism is arranged inside the kiln wall body 1 and extends out of one side of the kiln wall body 1;
the cooling mechanism comprises a plurality of first cold water pipes 2, the first cold water pipes 2 are embedded at the top end inside the kiln wall body 1, first short pipes 3 are fixedly arranged at the bottoms of the first cold water pipes 2, the first short pipes 3 are embedded inside the kiln wall body 1, first sprinkling pipes 4 are fixedly arranged at the bottoms of the first short pipes 3, one ends of the first sprinkling pipes 4 are embedded inside one side wall of the kiln wall body 1, a plurality of first spray nozzles 5 are fixedly arranged at the bottoms of the first sprinkling pipes 4, the first cold water pipes 2 are arranged inside the kiln wall body 1 and extend out of one side of the kiln wall body 1, first connecting pipes 6 are fixedly arranged at one ends of the first cold water pipes 2, second connecting pipes 7 are arranged at the bottoms of the first connecting pipes 6, a plurality of second cold water pipes 8 are fixedly arranged at one sides of the second connecting pipes 7, the second cold water pipes 8 are arranged at one side of the kiln wall body 1 and extend into the kiln wall body 1, the kiln furnace wall body 1 is internally and fixedly provided with a first clapboard 12, the first clapboard 12 is arranged at the bottom of a first spray head 5, a second cold water pipe 8 is embedded inside the first clapboard 12, the bottom of the second cold water pipe 8 is fixedly provided with a second short pipe 9, the second short pipe 9 is embedded in the side wall of the kiln furnace wall body 1, the bottom of the second short pipe 9 is fixedly provided with a second sprinkler pipe 10, the bottom of the second sprinkler pipe 10 is fixedly provided with a plurality of second spray heads 11, one ends of a first connecting pipe 6 and a second connecting pipe 7 are fixedly provided with a first water outlet pipe 13, the first water outlet pipe 13 is arranged at one side of the kiln furnace wall body 1, one end of the first water outlet pipe 13 is fixedly provided with a water pump 14, the water pump 14 is arranged between the kiln furnace wall body 1 and the first water outlet pipe 13, one side of the water pump 14 is fixedly provided with a second water outlet pipe 17, the top of the water tank 16 is provided with a second partition 15, the second partition 15 is fixedly connected with the inner wall of the kiln wall 1, and the second partition 15 is arranged at the bottom of the second spray head 11.
Furthermore, a plurality of first water leakage holes are formed in the first partition plate 12, a plurality of second water leakage holes are formed in the second partition plate 15, and accordingly excess water on the top of the first partition plate 12 can flow into the water tank 16 conveniently.
Further, two first baffles are fixedly arranged on the top of the first partition plate 12, and two second baffles are fixedly arranged on the top of the second partition plate 15, so that the water phase on the tops of the first partition plate 12 and the second partition plate 15 can be prevented from flowing around.
Furthermore, a first water inlet pipe and a fourth water outlet pipe are fixedly arranged on the front side of the water tank 16, and the fourth water outlet pipe is arranged on one side of the first water inlet pipe, so that the water tank 16 can be cleaned conveniently.
Furthermore, a first switch valve is arranged on the first water inlet pipe, and a second switch valve is arranged on the fourth water outlet pipe, so that the water in the first water pipe and the water in the fourth water pipe can be conveniently controlled to enter and exit.
Furthermore, a filter screen is embedded on one side wall of the water tank 16 and is in contact with the inner wall of the second water outlet pipe 17, so that the impurities of the water quality can be prevented from entering the second water outlet pipe 17 to influence the quality of the product.
The implementation scenario is specifically as follows: when a product enters a cooling zone, a water pump 14 is started, the water pump 14 works to suck water in a water tank 16 into a second water outlet pipe 17, then the water in the second water outlet pipe 17 flows into a first water outlet pipe 13, the water in the first water outlet pipe 13 flows into a first connecting pipe 6 and a second connecting pipe 7 respectively, the water in the first connecting pipe 6 flows into a first cold water pipe 2, the water in the first cold water pipe 2 flows into a first short pipe 3, the water in the first short pipe 3 flows into a first sprinkling pipe 4, the water in the first sprinkling pipe 4 is sprinkled on the product through a first sprinkler 5, the product is contacted with the water, the cold water absorbs heat and cools the product, the water in the second connecting pipe 7 flows into a second cold water pipe 8, the water in the second cold water pipe 8 flows into a second short pipe 9, the water in the second short pipe 9 flows into a second sprinkling pipe 10, the water in the second sprinkling pipe 10 is sprinkled on the product through a second sprinkler 11, cold water and goods contact evaporation heat absorption, thereby for the goods cooling, the unnecessary water that first shower nozzle 5 sprayed can flow on first baffle 12, the first hole that leaks on the rethread first baffle 12 flows downwards, the water that flows out from the first hole that leaks in top and the unnecessary water of second shower nozzle 11 spun can flow on second baffle 15, then water can continue to flow downwards along the second hole that leaks on second baffle 15, the water that flows out from the second hole that leaks can flow into water tank 16, with the extravagant water resource of avoiding, this embodiment has specifically solved among the prior art roller kiln cold wind cooling speed slower, the lower problem of work efficiency.
Referring to the attached drawings 1-5 of the specification, the full-automatic double-layer electric heating roller way kiln of the embodiment further comprises an exhaust fan 18, the exhaust fan 18 is inlaid on the side wall of the kiln wall body 1, the exhaust fan 18 is arranged at the bottom of the first spray head 5, a steam pipe 19 is fixedly arranged on one side of the exhaust fan 18, the steam pipe 19 is arranged on the front side of the first water outlet pipe 13, the steam pipe 19 is arranged inside the kiln wall body 1 and extends out of one side of the kiln wall body 1, a condensation box 20 is fixedly arranged at one end of the steam pipe 19, a third water outlet pipe 21 is fixedly arranged on one side of the condensation box 20, and one end of the third water outlet pipe 21.
Further, the inside condenser pipe that is equipped with of condensation tank 20, condenser pipe one end and steam pipe 19 fixed connection, the condenser pipe other end and third outlet pipe 21 fixed connection, it has cold water to fill between condenser pipe and the condensation tank 20, is convenient for become the water droplet with the steam liquefaction, the recycle of the steam of being convenient for.
Further, the fixed second inlet tube that is equipped with in condensation box 20 top, be equipped with the third ooff valve on the second inlet tube, the fixed fifth outlet pipe that is equipped with in condensation box 20 one side, be equipped with the fourth ooff valve on the fifth outlet pipe, the change of cold water in the condensation box 20 of being convenient for.
The implementation scenario is specifically as follows: when water sprayed from the first nozzle 5 and the second nozzle 11 contacts with a product, the water is evaporated into steam when being heated, the water pump 14 is started and the exhaust fan 18 is started, the exhaust fan 18 operates to suck the steam at the top of the first partition plate 12 into the steam pipe 19, the steam at the bottom of the first partition plate 12 passes through the first water leakage hole on the first partition plate 12 to enter the top of the first partition plate 12 and then is sucked into the steam pipe 19 by the exhaust fan 18, the steam entering the steam pipe 19 moves into the condensation pipe inside the condensation tank 20, cold water in the condensation tank 20 cools the steam through the condensation pipe, the steam in the condensation pipe is liquefied into liquid when being cooled, the liquid in the condensation pipe continues to move downwards under the action of gravity, the liquid in the condensation pipe moves into the third water outlet pipe 21, and the water in the third water outlet pipe 21 flows into the water tank 16 to realize the cyclic utilization, the water resource is effectively saved, and the problem of water resource waste in the prior art is specifically solved by the implementation mode.
The working principle is as follows:
referring to the attached drawings 1-5 of the specification, when a product enters a cooling zone, a water pump 14 is started, the water pump 14 works to suck water in a water tank 16 into a first water outlet pipe 13 through a second water outlet pipe 17, the water in the first water outlet pipe 13 flows into a first cold water pipe 2 and a second cold water pipe 8 through a first connecting pipe 6 and a second connecting pipe 7 respectively, the water in the first cold water pipe 2 flows into the first sprinkler pipe 4 through a first short pipe 3, the water in the first sprinkler pipe 4 is sprayed onto the product through the first sprinkler 5, the water in the second cold water pipe 8 flows into a second sprinkler pipe 10 through a second short pipe 9, the water in the second sprinkler pipe 10 is sprayed onto the product through a second sprinkler 11, the excessive water sprayed by the first sprinkler 5 flows into a first partition plate 12 and flows downwards through a first water leakage hole in the first partition plate 12, and the excessive water sprayed from the first water leakage hole above and the excessive water sprayed by the second sprinkler 11 flow along a second water leakage hole in the second partition plate 15 16;
referring to the attached drawings 1-5 of the specification, when the water pump 14 is started, the exhaust fan 18 works, water vapor at the top of the first partition plate 12 is sucked into the condensation pipe inside the condensation tank 20 through the steam pipe 19, meanwhile, water vapor at the bottom of the first partition plate 12 enters the top of the first partition plate 12 through the first water leakage hole in the first partition plate 12, then the water vapor is introduced into the condensation pipe inside the condensation tank 20 through the steam pipe 19 by the exhaust fan 18, cold water in the condensation tank 20 cools the water vapor through the condensation pipe, the water vapor in the condensation pipe is liquefied into liquid when encountering cold, and the liquid in the condensation pipe flows into the water tank 16 through the third water outlet pipe 21.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. Full-automatic double-deck electrical heating roll table kiln, including kiln wall body (1), its characterized in that: the kiln wall body (1) is internally provided with a cooling mechanism, and the cooling mechanism is arranged inside the kiln wall body (1) and extends out of one side of the kiln wall body (1);
the cooling mechanism comprises a plurality of first cold water pipes (2), the first cold water pipes (2) are embedded at the top end inside the kiln wall body (1), a first short pipe (3) is fixedly arranged at the bottom of each first cold water pipe (2), the first short pipe (3) is embedded inside the kiln wall body (1), a first sprinkling pipe (4) is fixedly arranged at the bottom of each first short pipe (3), one end of each first sprinkling pipe (4) is embedded inside one side wall of the kiln wall body (1), a plurality of first spray heads (5) are fixedly arranged at the bottom of each first sprinkling pipe (4), the first cold water pipes (2) are arranged inside the kiln wall body (1) and extend out of one side of the kiln wall body (1), a first connecting pipe (6) is fixedly arranged at one end of each first cold water pipe (2), a second connecting pipe (7) is arranged at the bottom of each first connecting pipe (6), a plurality of second cold water pipes (8) are fixedly arranged at one side of each second connecting pipe (7), the second cold water pipe (8) is arranged on one side of the kiln wall body (1) and extends into the kiln wall body (1), a first partition plate (12) is fixedly arranged inside the kiln wall body (1), the first partition plate (12) is arranged at the bottom of the first spray head (5), the second cold water pipe (8) is embedded inside the first partition plate (12), a second short pipe (9) is fixedly arranged at the bottom of the second cold water pipe (8), the second short pipe (9) is embedded in the side wall of the kiln wall body (1), a second sprinkling pipe (10) is fixedly arranged at the bottom of the second short pipe (9), a plurality of second spray heads (11) are fixedly arranged at the bottom of the second sprinkling pipe (10), a first water outlet pipe (13) is fixedly arranged at one side of the kiln wall body (1) and is fixedly arranged at one end of the first water outlet pipe (13), establish between kiln wall body (1) and first outlet pipe (13) water pump (14), water pump (14) one side is fixed and is equipped with second outlet pipe (17), second outlet pipe (17) one end is fixed and is equipped with water tank (16), water tank (16) top is equipped with second baffle (15), second baffle (15) and kiln wall body (1) inner wall fixed connection, second baffle (15) are established in second shower nozzle (11) bottom.
2. The full-automatic double-layer electric heating roller kiln furnace according to claim 1, characterized in that: kiln wall body (1) a lateral wall is fixed and is equipped with air exhauster (18), establish in first shower nozzle (5) bottom air exhauster (18), air exhauster (18) one side is fixed and is equipped with steam pipe (19), steam pipe (19) are established in first outlet pipe (13) front side, steam pipe (19) are established in kiln wall body (1) inside and are extended kiln wall body (1) one side, steam pipe (19) one end is fixed and is equipped with condenser box (20), condenser box (20) one side is fixed and is equipped with third outlet pipe (21), third outlet pipe (21) one end and water tank (16) fixed connection.
3. The full-automatic double-layer electric heating roller kiln furnace according to claim 1, characterized in that: the first partition plate (12) is provided with a plurality of first water leakage holes, and the second partition plate (15) is provided with a plurality of second water leakage holes.
4. The full-automatic double-layer electric heating roller kiln furnace according to claim 1, characterized in that: two first baffles are fixedly arranged at the top of the first partition plate (12), and two second baffles are fixedly arranged at the top of the second partition plate (15).
5. The full-automatic double-layer electric heating roller kiln furnace according to claim 1, characterized in that: the water tank (16) front side is fixed and is equipped with first inlet tube and fourth outlet pipe, the fourth outlet pipe is established in first inlet tube one side.
6. The full-automatic double-layer electric heating roller way kiln furnace according to claim 5, characterized in that: and a first switch valve is arranged on the first water inlet pipe, and a second switch valve is arranged on the fourth water outlet pipe.
7. The full-automatic double-layer electric heating roller kiln furnace according to claim 1, characterized in that: a filter screen is embedded on one side wall of the water tank (16), and the filter screen is in contact with the inner wall of the second water outlet pipe (17).
8. The full-automatic double-layer electric heating roller kiln furnace according to claim 2, characterized in that: the condenser is characterized in that a condenser pipe is arranged in the condenser box (20), one end of the condenser pipe is fixedly connected with the steam pipe (19), the other end of the condenser pipe is fixedly connected with the third water outlet pipe (21), and cold water is filled between the condenser pipe and the condenser box (20).
9. The full-automatic double-layer electric heating roller kiln furnace according to claim 2, characterized in that: the condenser box (20) top is fixed and is equipped with the second inlet tube, be equipped with the third ooff valve on the second inlet tube, condenser box (20) one side is fixed and is equipped with the fifth outlet pipe, be equipped with the fourth ooff valve on the fifth outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329989.1U CN211601537U (en) | 2019-12-23 | 2019-12-23 | Full-automatic double-layer electric heating roller kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329989.1U CN211601537U (en) | 2019-12-23 | 2019-12-23 | Full-automatic double-layer electric heating roller kiln |
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| Publication Number | Publication Date |
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| CN211601537U true CN211601537U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922329989.1U Active CN211601537U (en) | 2019-12-23 | 2019-12-23 | Full-automatic double-layer electric heating roller kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387800A (en) * | 2020-11-04 | 2021-02-23 | 宇文永平 | Cooling device is used in aluminum alloy ex-trusions processing |
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2019
- 2019-12-23 CN CN201922329989.1U patent/CN211601537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387800A (en) * | 2020-11-04 | 2021-02-23 | 宇文永平 | Cooling device is used in aluminum alloy ex-trusions processing |
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