CN217424085U - Negative pressure material cooling device - Google Patents
Negative pressure material cooling device Download PDFInfo
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- CN217424085U CN217424085U CN202121536622.8U CN202121536622U CN217424085U CN 217424085 U CN217424085 U CN 217424085U CN 202121536622 U CN202121536622 U CN 202121536622U CN 217424085 U CN217424085 U CN 217424085U
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Abstract
The utility model relates to a negative pressure material cooling device belongs to material cooling technical field, has solved the technical problem that current cooling device is not high to the cooling efficiency of material. This negative pressure material cooling device includes the cooler bin, and feed inlet and discharge gate have been seted up respectively to the top and the bottom of cooler bin, are provided with the inlet channel who communicates with the cold air source on the lateral wall of cooler bin and the air outlet channel who is linked together with the suction fan, and inlet channel's flow is A, and air outlet channel's flow is B, and T ═ B adds medicineA, wherein, 5m 3 /h≤T≤20m 3 H; the plug board type heat exchange assembly is installed on the side wall of the cooling box and comprises a plurality of heat exchange boards with flow channels arranged therein, the heat exchange boards are all inserted into the cooling box, a material flow channel is formed between each heat exchange board and the side wall of the cooling box and between two adjacent heat exchange boards, and the material flow channel is in the vertical direction. Through the structure, the utility model provides a negative pressure material cooling device is better to the cooling effect of material.
Description
Technical Field
The utility model belongs to the technical field of material cooling, in particular to negative pressure material cooling device.
Background
Under the current technical environment, often use following two kinds of modes to solid material cooling such as powder, granule, one kind is through the heat transfer board contact with material and picture peg formula cooling module in order carrying out the heat exchange, and another kind is through placing the material in the cold air, and the heat that utilizes the cold air to take away the material is in order to cool down. However, in either way, the efficiency of cooling the material is not high, and the effect of rapid cooling cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a negative pressure material cooling device for solve the technical problem that cooling device among the prior art is not high to the cooling efficiency of material.
The utility model discloses a following technical scheme realizes: a negative pressure material cooling device comprising:
the cooling box, feed inlet and discharge gate have been seted up respectively to the top and the bottom of cooling box, be provided with the inlet channel who communicates with cold air source and the outlet channel who is linked together with the suction fan on the lateral wall of cooling box, inlet channel's flow is A, outlet channel's flow is B, and T is B-A, wherein, 5m 3 /h≤T≤20m 3 /h；
The plug board type heat exchange assembly is installed on the side wall of the cooling box and comprises a plurality of heat exchange boards with flow channels arranged therein, the heat exchange boards are all inserted into the cooling box, material flow channels are formed between the heat exchange boards and between the side wall of the cooling box and between the heat exchange boards, and the material flow channels are arranged in the vertical direction.
Furtherly, for better realization the utility model discloses, picture peg formula heat exchange assemblies still includes that backplate, medium advance pipe and medium exit tube, and is a plurality of heat transfer board parallel interval ground is connected on the backplate, it is a plurality of the one end of heat transfer board's runner all with the medium advances the pipe intercommunication, and is a plurality of the other end of heat transfer board's runner all with medium exit tube intercommunication, first window has been seted up on the lateral wall of cooler bin, the backplate passes through first screw demountable installation and shutoff on the lateral wall of cooler bin first window, the medium advance the pipe with the medium exit tube all is located outside the cooler bin.
Further, for better realization the utility model discloses, the second window has been seted up on the backplate, the third window has been seted up on the lateral wall of cooler bin, the second window with the third window is just to setting up, and, the second window with third window department is respectively through first closure plate of second screw installation and second closure plate, first closure plate with all connect an outlet duct, two on the second closure plate the outlet duct is constituteed air outlet duct, and two the outlet duct all with the suction fan links to each other.
Further, in order to realize better the utility model discloses, inlet channel includes that four set up in air inlet, every on the lateral wall of cooler bin all install an intake pipe in the air inlet, four the intake pipe equally divide do not through a trachea with cold air source links to each other.
Further, in order to better realize the utility model discloses, four two of the air inlet are located respectively the both sides on the upper portion of cooler bin, two in addition the air inlet is located respectively the both sides of the lower part of cooler bin, and be located two on the upper portion of cooler bin import is constituteed to the air inlet, is located two of the lower part of cooler bin import under the air inlet is constituteed, the outlet duct is located go up the import with between the import down.
Further, in order to better realize the utility model discloses, air inlet department with all install the screen cloth that is used for blockking the material entering in the outlet duct.
Furthermore, in order to better realize the utility model, a semicircular convex plate is arranged at a position corresponding to the air inlet on the cooling box, an air inlet chamber is formed between the screen mesh and the semicircular convex plate, one end of the semicircular convex plate is provided with an inlet of the air inlet chamber, the air inlet pipe is rotatably inserted into the inlet and extends into the air inlet chamber, the part of the air inlet pipe extending into the air inlet chamber is an air outlet section, the end part of the air outlet section is closed, and a plurality of air holes are arranged on the pipe wall of the air outlet section;
when the air inlet pipe is rotated, the number of the vent holes blocked by the semicircular outer convex plate is changed.
Further, in order to realize better the utility model discloses, first ring channel has been seted up on the pipe wall of intake pipe, the second ring channel has been seted up on the lateral wall of import, first ring channel with the concatenation of second ring channel forms the sealing washer mounting groove, install rubber seal in the sealing washer mounting groove.
Furtherly, in order to realize better the utility model discloses, be located outside the admission chamber be connected with the sighting rod that is used for the reference in the intake pipe.
Further, in order to realize better the utility model discloses, the top of heat transfer board is provided with big end down's water conservancy diversion structure.
The utility model discloses compare in prior art and have following beneficial effect:
the utility model provides a negative pressure material cooling device is through setting up feed inlet and discharge gate respectively in cooler bin top and bottom, the material drops to the discharge gate discharge under the self action of gravity of material after getting into from the feed inlet, set up inlet channel and air outlet channel on the lateral wall of cooler bin, inlet channel and air conditioning source intercommunication, thereby leading-in cooler bin with cold air, and then carry out the air-cooling to the material in the cooler bin, air outlet channel is linked together with the suction fan, in order to suck away the air in the cooler bin, specifically, the material carries out the heat exchange with the cold air in the cooler bin after getting into the cooler bin, also heat cold air, the air after the heating is sucked away through the suction fan, and cold air gets into and goes on simultaneously with the cold air suction, the flow of flow and the flow of air outlet channel of definition inlet channel is A and B respectively, T ═ B-A, 5m 3 /h≤T≤20m 3 H, i.e. the amount of air sucked away by the suction fan per unit of time is greater than that which enters the cooling box from the inlet channelThe amount of air is reduced, so that negative pressure is formed in the cooling box, and cold air in a cold air source can automatically enter the cooling box from the air inlet channel by virtue of the negative pressure without an additional driving part for driving the cold air to enter the cooling box, so that parts are reduced, and the cost is saved;
at the side wall mounting picture peg formula heat exchange assemblies of cooler bin, the equal cartridge of a plurality of heat transfer boards of picture peg formula heat exchange assemblies is in the cooler bin, runner circulation coolant in the heat transfer board, thereby make the temperature of heat transfer board lower, and form the commodity circulation passageway between the lateral wall of heat transfer board and cooler bin and between two adjacent heat transfer boards, the trend of commodity circulation passageway is upper and lower direction, the material gets into the back from the feed inlet, under material self action of gravity, the material will get into the material passageway, at this in-process, the material will with heat transfer board surface contact, thereby carry out the heat exchange through the heat transfer board, in order to cool off the material.
Through the structure, the utility model provides a negative pressure material cooling device utilizes the combination of cold air and heat transfer board to cool off the material to improve cooling efficiency.
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 is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a negative pressure material cooling device provided by an embodiment of the present invention;
FIG. 2 is a partially enlarged view of region A in FIG. 1;
FIG. 3 is a schematic structural view of the negative pressure material cooling device provided by the embodiment of the present invention when the marker post is not assembled;
fig. 4 is an exploded view of the negative pressure material cooling device provided by the embodiment of the present invention when the marker post and the screen are not assembled;
fig. 5 is a schematic structural view of a plate heat exchange assembly in an embodiment of the present invention;
FIG. 6 is another perspective view of the plate heat exchange assembly of FIG. 5;
fig. 7 is a schematic view of a connection structure of the heat exchange plate, the insert rod and the flat plate in the embodiment of the present invention;
fig. 8 is a schematic view of an installation structure of the intake pipe in the embodiment of the present invention.
In the figure:
1-a cooling box; 101-a feed inlet; 102-a discharge port; 103-semicircular convex plate; 104-an inlet chamber; 2-a plate inserting type heat exchange assembly; 201-heat exchange plates; 202-a back plate; 203-medium inlet pipe; 204-a media outlet pipe; 205-a flow directing structure; 206-a plunger; 207-plate; 208-bolt; 209-nut; 3-a first screw; 4-a second screw; 5-a first closure plate; 6-a second closure plate; 7-an air outlet pipe; 8, an air inlet pipe; 801-vent hole; 9-a screen mesh; 10-rubber sealing ring; 11-mark post.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
this embodiment provides a negative pressure material cooling device, has solved the technical problem that cooling device among the prior art is not high to the cooling efficiency of material.
This negative pressure material cooling device includes cooler bin 1, air cooling system and picture peg formula heat exchange assemblies 2, wherein:
the cooling box 1 is of a box-type structure, and the top and the bottom of the cooling box 1 are respectively provided with a feeding hole 101 and a discharging hole 102, so that after materials enter from the feeding hole 101 at the top of the cooling box 1, the materials fall to the discharging hole 102 under the action of the gravity of the materials and are discharged out of the cooling box 1. An air inlet channel and an air outlet channel are arranged on the side wall of the cooling box 1, the air inlet channel is communicated with a cold air source, so that cold air is introduced into the cooling box 1, the material in the cooling box 1 is cooled in an air cooling mode, and the air outlet channel is communicated with a suction fan, so that the air in the cooling box 1 is sucked away. Specifically, the material enters the cooling box 1 and then exchanges heat with the cold air in the cooling box 1, that is, the cold air is heated, the heated air is sucked away by the suction fan, and the cold air entering and the cold air sucking are performed simultaneously.
The flow rate of an inlet channel and the flow rate of an outlet channel are respectively defined as A and B, T is B-A, 5m 3 /h≤T≤20m 3 The volume of the air sucked by the suction fan is larger than the volume of the air entering the cooling box 1 from the air inlet channel in unit time, so that negative pressure is formed in the cooling box 1, and by means of the negative pressure, the cold air in the cold air source can automatically enter the cooling box 1 from the air inlet channel without additional driving parts for driving the cold air to enter the cooling box 1, thereby reducing parts and saving cost.
The side wall of the cooling box 1 is provided with the inserting plate type heat exchange assembly 2, the inserting plate type heat exchange assembly 2 comprises a plurality of heat exchange plates 201, the heat exchange plates 201 are actually heat conducting plates, flow channels are formed in the heat exchange plates 201, and cooling media circulate in the flow channels, so that the temperature of the heat exchange plates 201 is lower. A plurality of heat transfer boards 201 all cartridge are in cooler bin 1, and form the commodity circulation passageway between the lateral wall of heat transfer board 201 and cooler bin 1 and between two adjacent heat transfer boards 201, and the trend of commodity circulation passageway is upper and lower direction, and the material gets into the back from feed inlet 101, and under material self action of gravity, the material will get into the material passageway, and at this in-process, the material will be with heat transfer board 201 surface contact to carry out the heat exchange through heat transfer board 201, in order to cool off the material.
Through the structure, the utility model provides a negative pressure material cooling device utilizes the combination of cold air and heat transfer board 201 to cool off the material to improve cooling efficiency.
The plate-insert heat exchange assembly 2 in this embodiment further includes a back plate 202, a medium inlet pipe 203 and a medium outlet pipe 204, where when the medium is water, the medium inlet pipe 203 is communicated with a cold water source, and the medium outlet pipe 204 is communicated with another water tank. The heat exchange plates 201 are connected to the back plate 202 in parallel at intervals. As an implementation manner of this embodiment, the heat exchange plate 201 in this embodiment is welded on the back plate 202. As another embodiment of this embodiment, the heat exchange plates 201 in this embodiment are slidably mounted on the back plate 202, that is, the distance between adjacent heat exchange plates 201 is adjustable, as an optional embodiment, a first long groove and a second long groove are formed in the back plate 202 in parallel, an insert rod 206 is connected to one side wall of the heat exchange plate 201, the insert rod 206 is inserted into the first long groove, the free end of the insert rod 206 extends out of the first long groove, a flat plate 207 is connected to the free end of the insert rod 206, a bolt 208 is screwed to one end of the flat plate 207 away from the insert rod 206, the bolt 208 is screwed into the second long groove and extends out of the second long groove, a nut is screwed onto the bolt 208, the nut and the flat plate 207 are respectively disposed on two sides of the back plate 202, so that the flat plate 207 is pressed onto the back plate 202 by the nut, when adjustment is required, the nut is loosened, the insert rod 206 and the heat exchange plate 201 can be driven to move back and forth along the first long groove, and then adjust the mounted position of heat transfer board 201 on backplate 202, and then make the interval between the heat transfer board 201 of picture peg formula heat exchange assembly 2 can adjust to the user adjusts the interval between the adjacent heat transfer board 201 according to the size of material.
Because the runner has all been seted up in every heat transfer board 201, so this picture peg formula heat exchange assembly 2 contains a plurality of runners, and the one end of every runner all advances pipe 203 with the medium and communicates, and the other end of every runner all advances pipe 204 with the medium and communicates, and the medium advances pipe 203 and leads to heat transfer board 201 with the medium and reduce the temperature of heat transfer board 201. When material flows through the material flow channel, the material will contact the surface of the heat exchange plate 201, so that heat exchange is performed, the temperature of the material is reduced, and the heated medium flows out from the medium outlet pipe 204.
The top end of the heat exchange plate 201 is provided with a flow guiding structure 205 with a small top and a large bottom, and the flow guiding structure 205 is actually a body-type structure with a large top and a small bottom. Since the material flows from top to bottom, the amount of the material accumulated on the top of the deflector can be reduced by the deflector 205, so that the material can flow in the cooling box 1 more smoothly.
The back plate 202 is mounted on the side wall of the cooling box 1 through the first screws 3, specifically, a first window is formed in the side wall of the cooling box 1, the back plate 202 covers the first window, first screw 3 holes are formed in the edge of the back plate 202, the first screws 3 penetrate through the first screws 3 and then are screwed on the side wall of the cooling box 1, and in order to avoid leakage, first thickening layers are arranged on the side wall of the cooling box 1 at positions corresponding to the first screw 3 holes. At this time, the backboard 202 seals the first window. The medium inlet pipe 203 and the medium outlet pipe 204 are located at one side of the back plate 202, and the heat exchange plate 201 is located at the other side of the back plate 202, so that the medium inlet pipe 203 and the medium outlet pipe 204 are both located outside the cooling box 1 for connection.
An alternative implementation of this embodiment is as follows: in this embodiment, the heat exchange plate 201 is welded and fixed on the back plate 202, a second window is disposed in the middle of the back plate 202, a third window is disposed on the side wall of the cooling box 1, the third window is opposite to the second window, and a first blocking plate 5 and a second blocking plate 6 are respectively mounted at the second window and the third window through a second screw 4, the first blocking plate 5 blocks the second window, the second blocking plate 6 blocks the third window, an air outlet pipe 7 is connected to the middle of the first blocking plate 5 and the middle of the second blocking plate 6, the air outlet pipe 7 is communicated with the inside of the cooling box 1, at this time, the air outlet channel is formed by the two air outlet pipes 7, and the two air outlet pipes 7 are respectively connected to the suction fan through a pipeline. Specifically, the free ends of the two outlet pipes 7 are provided with connecting flanges for connecting with a pipeline. The structure enables the air outlet channel to be more reasonable, the structure of the whole negative pressure cooling device is more compact, and the occupied space volume is smaller. And the flow rate of the air outlet channel is the sum of the flow rates of the two air outlets.
The air inlet channel in this embodiment includes four air inlets formed in the side wall of the cooling box 1, and the flow rate of the air inlet channel is the sum of the air inlet flow rates of the four air inlets. An air inlet pipe 8 is installed at each air inlet, and each air inlet pipe 8 is communicated with the cold air source through an air pipe. Two of the four air inlets are respectively positioned at two sides of the upper part of the cooling box 1, and the other two air inlets are respectively positioned at two sides of the lower part of the cooling box 1. Two air inlets located at the upper part of the cooling box 1 are defined as upper inlets, two air inlets located at the lower part of the cooling box 1 are defined as lower inlets, and the air outlet pipe 7 is located between the upper inlets and the lower inlets. Like this, not only make cold air can follow a plurality of angles and get into cooler bin 1 to make the temperature in each region of cooler bin 1 inside more balanced, outlet duct 7 sets up between last import and the import down moreover, thereby makes the outflow route of cold air longer, thereby makes the cold air can carry out the abundant heat exchange after again taken away.
Optionally, a screen 9 is installed at the air inlet and in the air outlet pipe 7 to prevent the material from entering.
The air inlet pipe 8 in this embodiment may be welded or detachably connected to the side wall of the air inlet.
Another alternative implementation of this embodiment is as follows: a semicircular convex plate 103 is disposed on the cooling box 1 at a position corresponding to the air inlet, and it should be noted that the air inlet is actually a through hole formed on the side wall of the cooling box 1, and the semicircular convex plate 103 is fixed on the outer wall of the cooling box 1 and covers the air inlet. And the central line of the semicircular outward convex plate 103 is located at one side close to the inside of the cooling box 1, specifically, the semicircular outward convex plate 103 can be processed on the side wall of the cooling box 1 by performing a die pressing process in the sheet metal processing process, at this time, the inner concave hole of the semicircular outward convex plate 103 is the air inlet, the screen 9 at the air inlet is installed on the inner wall of the cooling box 1 and covers the inner concave hole of the semicircular outward convex plate 103, and at this time, an air inlet chamber 104 is formed between the semicircular outward convex plate 103 and the screen 9. The two ends of the semicircular convex plate 103 are all plugged, and a circular through hole is arranged at one end of the semicircular convex plate 103, and the circular through hole is just an inlet of the air inlet chamber 104. The air inlet pipe 8 is rotatably inserted into the inlet, a part of the air inlet pipe 8 inserted into the air inlet chamber 104 is defined as an air outlet section, and a plurality of vent holes 801 are formed in the pipe wall of the air outlet section. With the above structure, the intake pipe 8 in the present embodiment can rotate in the intake chamber 104 described above. When the air inlet pipe 8 is rotated, the number of the vent holes 801 blocked by the semicircular outward protruding plate 103 changes. For example, in the initial state, the rotation angle of the air inlet pipe 8 is zero, and at this time, the number of the auxiliary vent holes 801 of the semicircular convex plate 103 is zero; the air inlet pipe 8 is driven to rotate clockwise/anticlockwise by an angle alpha, at the moment, the number of the vent holes 801 blocked by the semicircular convex plate 103 is S, alpha is more than or equal to 0 and less than or equal to 360 degrees, and S is more than or equal to 0 and less than or equal to 100. In fact, 100 ventilation holes 801 are uniformly distributed in the general area of the air outlet section, the outer diameter of the air outlet section is matched with the inner diameter of the semicircular convex pipe, and when the air outlet section is inserted into the air inlet chamber 104, the outer wall of the air outlet section is tightly attached to the inner wall of the semicircular convex pipe. When the air inlet pipe 8 rotates by zero degree, the area without the vent hole 801 corresponds to the semicircular convex pipe, the vent hole 801 is not blocked, and after the air inlet pipe 8 rotates by a certain angle, part of the vent hole 801 rotates to the position corresponding to the semicircular convex pipe and is blocked by the semicircular convex pipe.
With this configuration, the user can control the number of the vent holes 801 that are opened by rotating the intake duct 8, and the amount of the cool air that enters the cooling box 1 per unit time is larger as the number of the vent holes 801 that are opened is larger, and the amount of the cool air that enters the cooling box 1 per unit time is smaller as the number of the vent holes 801 that are opened is smaller. By controlling the number of the vent holes 801 that are opened, the amount of cold air that enters the cooling box 1 per unit time is adjusted, and the cooling efficiency in the cooling box 1 is controlled.
Optionally, a first annular groove is formed in a pipe wall of the intake pipe 8, a second annular groove is formed in a side wall of the inlet, the first annular groove and the second annular groove are spliced to form a sealing ring mounting groove, and a rubber sealing ring 10 is mounted in the sealing ring mounting groove. The sealing function of the rubber sealing ring 10 is utilized, so that the leakage of the gap between the air inlet pipe 8 and the inlet is avoided. And the rubber seal ring 10 can slow down vibration to a certain extent.
A reference pole 11 is connected to the air inlet pipe 8 outside the air inlet chamber 104, and by means of the reference pole 11, a user can conveniently figure out the rotation angle of the air inlet pipe 8 to know the number of the conducted vent holes 801.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A negative pressure material cooling device is characterized by comprising:
the cooling box, feed inlet and discharge gate have been seted up respectively to the top and the bottom of cooling box, be provided with the inlet channel who communicates with the cold air source on the lateral wall of cooling box and the outlet channel who is linked together with the suction fan, inlet channel's flow is A, outlet channel's flow is B, and T is B-A, wherein, 5m 3 /h≤T≤20m 3 /h；
The plug board type heat exchange assembly is installed on the side wall of the cooling box and comprises a plurality of heat exchange boards with flow channels arranged therein, the heat exchange boards are all inserted into the cooling box, material flow channels are formed between the heat exchange boards and between the side wall of the cooling box and between the heat exchange boards, and the material flow channels are arranged in the vertical direction.
2. The negative pressure material cooling device of claim 1, wherein: the plug plate type heat exchange assembly further comprises a back plate, a medium inlet pipe and a medium outlet pipe, wherein the heat exchange plates are connected to the back plate at intervals in parallel, one ends of flow channels of the heat exchange plates are communicated with the medium inlet pipe, the other ends of the flow channels of the heat exchange plates are communicated with the medium outlet pipe, a first window is formed in the side wall of the cooling box, the back plate is detachably mounted on the side wall of the cooling box through a first screw and is blocked, and the medium inlet pipe and the medium outlet pipe are located outside the cooling box.
3. The negative pressure material cooling device of claim 2, wherein: the air outlet channel is formed by the two air outlet pipes, and the two air outlet pipes are connected with the suction fan.
4. The negative-pressure material cooling device according to claim 3, wherein: the inlet channel includes four air inlets that set up on the lateral wall of cooler bin, every all install an intake pipe in the air inlet, four the intake pipe is equallyd divide respectively through an trachea with cold air source links to each other.
5. The negative-pressure material cooling device according to claim 4, wherein: two of the four air inlets are respectively positioned on two sides of the upper part of the cooling box, the other two air inlets are respectively positioned on two sides of the lower part of the cooling box, the two air inlets positioned on the upper part of the cooling box form an upper inlet, the two air inlets positioned on the lower part of the cooling box form a lower inlet, and the air outlet pipe is positioned between the upper inlet and the lower inlet.
6. The negative-pressure material cooling device according to claim 4, wherein: and the air inlet and the air outlet pipe are respectively provided with a screen for blocking materials from entering.
7. The negative-pressure material cooling device of claim 6, wherein: a semicircular convex plate is arranged at a position, corresponding to the air inlet, on the cooling box, an air inlet chamber is formed between the screen and the semicircular convex plate, one end of the semicircular convex plate is provided with an inlet of the air inlet chamber, the air inlet pipe is rotatably inserted into the inlet, the air inlet pipe extends into the air inlet chamber, the part of the air inlet pipe extending into the air inlet chamber is an air outlet section, the end part of the air outlet section is closed, and the pipe wall of the air outlet section is provided with a plurality of air vents;
when the air inlet pipe is rotated, the number of the vent holes blocked by the semicircular outer convex plate is changed.
8. The negative pressure material cooling device of claim 7, wherein: the sealing ring is characterized in that a first annular groove is formed in the pipe wall of the air inlet pipe, a second annular groove is formed in the side wall of the inlet, the first annular groove and the second annular groove are spliced to form a sealing ring mounting groove, and a rubber sealing ring is mounted in the sealing ring mounting groove.
9. The negative-pressure material cooling device of claim 8, wherein: and a mark post for reference is connected to the air inlet pipe positioned outside the air inlet chamber.
10. The negative-pressure material cooling device according to any one of claims 2-9, wherein: and a flow guide structure with a small upper part and a large lower part is arranged at the top end of the heat exchange plate.
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| CN202121536622.8U CN217424085U (en) | 2021-07-07 | 2021-07-07 | Negative pressure material cooling device |
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| CN202121536622.8U CN217424085U (en) | 2021-07-07 | 2021-07-07 | Negative pressure material cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624041A (en) * | 2021-07-07 | 2021-11-09 | 成都兰赛阳节能环保科技有限公司 | Negative pressure material cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624041A (en) * | 2021-07-07 | 2021-11-09 | 成都兰赛阳节能环保科技有限公司 | Negative pressure material cooling device |
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