Airflow device for generating high pressure difference in negative pressure suction pipeline

Abstract

The utility model relates to the technical field of negative pressure suction, in particular to an airflow device for generating high pressure difference in a negative pressure suction pipeline, which comprises a negative pressure pipeline, and a cooling mechanism is arranged in the negative pressure pipeline. The cooling mechanism comprises a cooling fin fixedly connected to the interior of the negative pressure pipeline, a heat conduction rod is fixedly connected to the outer wall of the cooling fin and located in the negative pressure pipeline, a cooling sleeve is fixedly connected to the side, away from the cooling fin, of the outer wall of the heat conduction rod, and a lower flow guide pipe is fixedly connected to the bottom of the inner wall of the cooling sleeve; the airflow device for generating high pressure difference in the negative pressure suction pipeline is designed, a cooling mechanism in the airflow device is used for absorbing heat generated by friction, and the problems that when an existing negative pressure suction pipeline sucks air, the air rubs with the inner wall of the pipeline, the air is heated to expand, and the air pressure difference is generated are solved. And the pressure difference of negative pressure suction is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to negative pressure suction technical field, concretely is a kind of airflow device for generating high pressure difference in negative pressure suction pipeline. BACKGROUND

[0002] Negative pressure suction pipeline is used for material conveying equipment, but the existing negative pressure suction pipeline still has shortcomings, specifically: the existing negative pressure suction pipeline when sucking air, air can rub with the inner wall of pipeline, cause air to heat expansion, reduce the pressure difference of negative pressure suction.

[0003] Therefore, a kind of airflow device for generating high pressure difference in negative pressure suction pipeline is needed to solve the problems presented in the above background art. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of airflow device for generating high pressure difference in negative pressure suction pipeline to solve the problems presented in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of airflow device for generating high pressure difference in negative pressure suction pipeline, including negative pressure pipeline, the inside of the negative pressure pipeline is provided with cooling mechanism;

[0007] The cooling mechanism includes cooling fin fixedly connected in the inside of negative pressure pipeline, the outer wall of the cooling fin and in the negative pressure pipeline fixedly connected with heat conduction rod, the outer wall of the heat conduction rod and in the side away from cooling fin fixedly connected with cooling sleeve, the bottom of the inner wall of the cooling sleeve fixedly connected with lower draft tube, the inside of the lower draft tube is installed with lower check valve, the outer wall of the lower draft tube and in the end away from cooling sleeve fixedly connected with liquid inlet pipe, the top of the inner wall of the cooling sleeve fixedly connected with upper draft tube, the inside of the upper draft tube is fixedly connected with upper check valve, the outer wall of the upper draft tube and in the end away from cooling sleeve fixedly connected with liquid outlet pipe, the inner wall of the cooling sleeve is installed with baffle.

[0008] As the preferred scheme of the utility model, the negative pressure pipeline is made of aluminum alloy.

[0009] As the preferred scheme of the utility model, the cooling fin and heat conduction rod are made of red copper, the heat conduction rod penetrates negative pressure pipeline and extends into cooling sleeve, and the cooling sleeve and negative pressure pipeline are fixedly connected.

[0010] As the preferred scheme of the utility model, the cooling sleeve is made of heat-insulating material, the lower draft tube penetrates and extends outside the cooling sleeve, and the lower check valve and upper check valve only allow cooling liquid to flow from bottom to top.

[0011] As the preferred scheme of the utility model, the heat conducting rod, the cooling sleeve, the lower flow guide pipe, the upper flow guide pipe and the baffle are provided with multiple groups, and the multiple groups of baffles are staggered in the cooling sleeve.

[0012] As the preferred scheme of the utility model, the shape of the cooling fin is matched with the shape of the negative pressure pipeline, and the baffle is designed as an annular structure.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The utility model discloses a kind of high-pressure difference airflow devices for generating in negative pressure suction pipeline, cooling mechanism in the device is used to absorb heat generated by friction, when air flows in negative pressure pipeline, air and negative pressure pipeline inner wall generate heat due to friction, cooling fin passes through heat conducting rod and transmits heat generated by friction into cooling sleeve, cooling liquid is injected into liquid inlet pipe, cooling liquid flows into cooling sleeve by liquid inlet pipe and lower flow guide pipe, cooling liquid in cooling sleeve will flow along baffle, flowing cooling liquid will absorb heat in cooling sleeve, cooling sleeve that has absorbed heat will be discharged along upper flow guide pipe and liquid outlet pipe, cooling liquid will constantly absorb heat in negative pressure pipeline, avoid air expansion due to heating, reduce air pressure difference, solve the problem that existing negative pressure suction pipeline when sucking air, air will rub with pipeline inner wall, cause air expansion due to heating, reduce the pressure difference of negative pressure suction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the partial side sectional view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 A enlarged view in the utility model.

[0018] In the drawing: 1, negative pressure pipeline;2, cooling mechanism;201, cooling fin;202, heat conducting rod;203, cooling sleeve;204, lower flow guide pipe;205, lower check valve;206, liquid inlet pipe;207, upper flow guide pipe;208, upper check valve;209, liquid outlet pipe;210, baffle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, several embodiments of the present application are given, however, the present application can be realized in many different forms and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0023] Embodiments, please refer to Figures 1-3 The present application provides a technical solution:

[0024] A gas flow device for generating high pressure difference in a negative pressure suction pipeline, comprising a negative pressure pipeline 1, a cooling mechanism 2 is arranged in the negative pressure pipeline 1;

[0025] The negative pressure pipeline 1 is made of aluminum alloy;

[0026] In this embodiment, reference is made to Figure 2 And Figure 3The cooling mechanism 2 comprises cooling fins 201 fixedly connected inside the negative pressure pipeline 1, heat-conducting rods 202 fixedly connected to the outer wall of the cooling fins 201 and inside the negative pressure pipeline 1, cooling sleeves 203 fixedly connected to the outer wall of the heat-conducting rods 202 and away from the cooling fins 201, lower flow guide pipes 204 fixedly connected to the bottom of the inner wall of the cooling sleeves 203, lower one-way valves 205 installed inside the lower flow guide pipes 204, liquid inlet pipes 206 fixedly connected to the outer wall of the lower flow guide pipes 204 and away from the cooling sleeves 203, upper flow guide pipes 207 fixedly connected to the top of the inner wall of the cooling sleeves 203, upper one-way valves 208 fixedly connected to the inside of the upper flow guide pipes 207, liquid outlet pipes 209 fixedly connected to the outer wall of the upper flow guide pipes 207 and away from the cooling sleeves 203, and baffles 210 installed in the cooling sleeves 203;

[0027] The cooling fins 201 and the heat-conducting rods 202 are made of red copper, the heat-conducting rods 202 penetrate through the negative pressure pipeline 1 and extend into the cooling sleeves 203, the cooling sleeves 203 are fixedly connected to the negative pressure pipeline 1, the cooling sleeves 203 are made of heat-insulating materials, the lower flow guide pipes 204 penetrate through and extend outside the cooling sleeves 203, the lower one-way valves 205 and the upper one-way valves 208 only allow the cooling liquid to flow from bottom to top, the heat-conducting rods 202, the cooling sleeves 203, the lower flow guide pipes 204, the upper flow guide pipes 207 and the baffles 210 are provided in multiple groups, the multiple groups of baffles 210 are staggered in the cooling sleeves 203, the shape of the cooling fins 201 is adapted to the shape of the negative pressure pipeline 1, the baffles 210 are designed in an annular structure, when air flows in the negative pressure pipeline 1, heat is generated due to friction between the air and the inner wall of the negative pressure pipeline 1, the heat generated by friction is transmitted to the cooling sleeves 203 through the heat-conducting rods 202, the cooling liquid is injected into the liquid inlet pipes 206, the cooling liquid flows into the cooling sleeves 203 through the liquid inlet pipes 206 and the lower flow guide pipes 204, the cooling liquid in the cooling sleeves 203 flows along the baffles 210, the flowing cooling liquid absorbs heat in the cooling sleeves 203, the cooling liquid absorbing heat flows along the upper flow guide pipes 207 and the liquid outlet pipes 209, and the flowing cooling liquid in the cooling sleeves 203 continuously absorbs heat in the negative pressure pipeline 1.

[0028] The utility model discloses a working procedure: when the air flow device for generating high pressure difference in negative pressure suction pipeline designed by the scheme runs, install negative pressure pipeline 1 on the negative pressure suction machine, start the negative pressure suction machine, and the negative pressure suction machine draws out air through negative pressure pipeline 1, when air flows in negative pressure pipeline 1, air and the inner wall of negative pressure pipeline 1 generate heat because of friction, cooling fin 201 passes through heat conduction rod 202 and transmits the heat generated by friction to cooling sleeve 203, inject cooling liquid into liquid inlet pipe 206, and cooling liquid flows into cooling sleeve 203 through liquid inlet pipe 206 and lower flow guide pipe 204, and the cooling liquid in cooling sleeve 203 flows along baffle 210, and the flowing cooling liquid can absorb the heat in cooling sleeve 203, and the cooling liquid that has absorbed heat can be discharged along upper flow guide pipe 207 and liquid outlet pipe 209, and the flowing cooling liquid in cooling sleeve 203 can continuously absorb the heat in negative pressure pipeline 1.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for generating a high pressure difference in a flow of gas in a negative pressure suction duct, comprising a negative pressure duct (1), characterized in that: The interior of the negative pressure pipeline (1) is provided with a cooling mechanism (2); The cooling mechanism (2) comprises cooling fins (201) fixedly connected in the interior of the negative pressure pipeline (1), the outer wall of the cooling fins (201) is fixedly connected with heat-conducting rods (202) in the negative pressure pipeline (1), the outer wall of the heat-conducting rods (202) and the side away from the cooling fins (201) is fixedly connected with cooling sleeves (203), the bottom of the inner wall of the cooling sleeves (203) is fixedly connected with lower flow guide pipes (204), the interior of the lower flow guide pipes (204) is provided with lower one-way valves (205), the outer wall of the lower flow guide pipes (204) and the end away from the cooling sleeves (203) is fixedly connected with liquid inlet pipes (206), the top of the inner wall of the cooling sleeves (203) is fixedly connected with upper flow guide pipes (207), the interior of the upper flow guide pipes (207) is fixedly connected with upper one-way valves (208), the outer wall of the upper flow guide pipes (207) and the end away from the cooling sleeves (203) is fixedly connected with liquid outlet pipes (209), and the inner wall of the cooling sleeves (203) is provided with baffles (210).

2. A device for generating a high pressure differential airflow within a negative pressure suction conduit according to claim 1, wherein: The negative pressure pipeline (1) is made of aluminum alloy.

3. A device for generating a high pressure differential airflow within a negative pressure suction conduit according to claim 1, wherein: The cooling fins (201) and the heat-conducting rods (202) are made of red copper, the heat-conducting rods (202) penetrate through the negative pressure pipeline (1) and extend into the cooling sleeves (203), and the cooling sleeves (203) are fixedly connected with the negative pressure pipeline (1).

4. A device for generating a high pressure differential airflow within a negative pressure suction conduit according to claim 1, wherein: The cooling sleeves (203) are made of heat-insulating materials, the lower flow guide pipes (204) penetrate through and extend out of the cooling sleeves (203), and the lower one-way valves (205) and the upper one-way valves (208) only allow the cooling liquid to flow from bottom to top.

5. A device for generating a high pressure differential airflow within a negative pressure suction conduit according to claim 1, wherein: The heat-conducting rods (202), the cooling sleeves (203), the lower flow guide pipes (204), the upper flow guide pipes (207) and the baffles (210) are provided with multiple groups, and the multiple groups of baffles (210) are staggered in the cooling sleeves (203).

6. A device for generating a high pressure differential airflow within a negative pressure suction conduit according to claim 1, wherein: The shape of the cooling fins (201) is matched with the shape of the negative pressure pipeline (1), and the baffles (210) are designed in an annular structure.

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