Vacuumizing equipment for asphalt production

Abstract

The utility model relates to the technical field of asphalt processing, and discloses a vacuumizing device for asphalt production, which comprises a vacuum pump, a tank body and an air outlet pipe communicated with the top of the tank body, a detachable filter screen is arranged in the air outlet pipe, an air exhaust hose is arranged on the vacuum pump, and the air exhaust hose is communicated with the tank body. The air exhaust hose is movably attached to the inner wall of the air outlet pipe, a first connecting block is arranged on the outer wall of the air outlet pipe, a connecting pipe is rotationally arranged on the outer wall of the air exhaust hose, and a second connecting block used for being connected with the first connecting block is arranged at the bottom of the connecting pipe; the vacuum pump has the effect of reducing the damage probability of the vacuum pump.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt processing, in particular to a vacuum pumping device for asphalt production. Background Art

[0002] Asphalt is a complex, dark-brown mixture of hydrocarbons of varying molecular weights and their non-metallic derivatives. It is a highly viscous organic liquid, often found in the form of asphalt or tar. Its surface is black and it is soluble in carbon disulfide. Asphalt is an organic cementitious material that provides waterproofing, moisture resistance, and corrosion resistance. It is primarily categorized as coal tar pitch, petroleum asphalt, and natural asphalt. It is used in industries such as coatings, plastics, and rubber, as well as in road paving.

[0003] Asphalt production requires mixing multiple liquid raw materials in a reactor for subsequent production. Mixing the asphalt in the reactor must be done under vacuum, necessitating the addition of a vacuum pump. However, the presence of heavy molecules in the asphalt reactor can cause the liquid to be drawn out during the vacuuming process, potentially damaging the vacuum pump. Utility Model Content

[0004] The utility model aims to provide a vacuum pumping device for asphalt production, which has the effect of reducing the probability of damage to the vacuum pump.

[0005] The above technical purpose of the present utility model is achieved through the following technical scheme: it includes a vacuum pump, a tank body and an air outlet pipe connected to the top of the tank body, a detachable filter is provided in the air outlet pipe, an exhaust hose is provided on the vacuum pump, the exhaust hose can be movably fitted to the inner wall of the air outlet pipe, a first connecting block is provided on the outer wall of the air outlet pipe, a connecting pipe is rotatably provided on the outer wall of the exhaust hose, and a second connecting block for connecting to the first connecting block is provided at the bottom of the connecting pipe.

[0006] The present invention is further configured as follows: the number of the second connecting blocks is 2, and the two second connecting blocks are symmetrically arranged at the bottom of the connecting pipe.

[0007] The present invention is further configured as follows: the first connecting block is in a circular ring shape; a first connecting groove is symmetrically provided on the top of the first connecting block along the vertical direction; a second connecting groove is symmetrically provided on the first connecting block along the horizontal direction and is connected to the bottom of the first connecting groove; the second connecting block can move through the first connecting groove and engage with the second connecting groove.

[0008] The present invention is further configured such that: the first connecting portion can be movably fitted to the outer wall of the first connecting block.

[0009] The present invention is further configured as follows: a circular limiting tube is provided on the outer wall of the exhaust hose, the inner wall of the connecting tube can be fitted to the outer wall of the limiting tube, and when the second connecting block is engaged with the second connecting groove, the end of the exhaust hose contacts the filter, and the bottom end of the limiting tube contacts the top end of the exhaust pipe.

[0010] The present invention is further configured as follows: an elastic connecting layer is provided at the bottom end of the limiting tube.

[0011] The present invention is further configured as follows: a rotating block is provided on the outer wall of the connecting pipe.

[0012] The present invention is further configured such that the inner wall of the connecting pipe can be movably fitted to the outer wall of the first connecting block.

[0013] The present invention is further configured as follows: a circular limiting block is provided on the inner wall of the air outlet pipe, and the outer diameter of the filter is larger than the inner diameter of the limiting block.

[0014] The utility model is further configured as follows: a lifting rod is provided in the middle of the filter screen along the vertical direction.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting a detachable filter, a second connecting block, etc., when the vacuum pump is vacuuming, the probability of extracting liquid substances is greatly reduced through the barrier of the filter, thereby reducing the probability of damage to the vacuum pump. After using it for a period of time, the connection between the exhaust hose and the outlet pipe can be disconnected, and the filter can be taken out for cleaning to ensure the barrier effect of the filter.

[0017] 2. By setting the first connecting groove, the second connecting groove, etc., when it is necessary to disconnect the exhaust hose from the exhaust pipe, you only need to rotate the connecting pipe so that the second connecting block enters the bottom of the first connecting groove along the second connecting groove, and then take out the exhaust hose upward (the exhaust hose uses a pipe with a certain hardness, such as a corrugated pipe, so that the exhaust hose can be moved within a certain range). The structure is simple and the operation is convenient.

[0018] 3. By setting a limiting tube and an elastic connecting layer, the exhaust hose is allowed to contact the end of the exhaust pipe through the limiting tube and the elastic connecting layer, so that the connection between the exhaust hose and the exhaust pipe is in a relatively sealed state, which can not only ensure the exhaust efficiency of the exhaust pump, but also prevent the outside air from flowing back into the tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a structural diagram of an embodiment of a vacuum pumping device for asphalt production according to the utility model;

[0021] Figure 2 yes Figure 1 A is an enlarged schematic diagram;

[0022] Figure 3 The utility model is a partial cross-sectional structural diagram of an embodiment of a vacuum extraction device for asphalt production.

[0023] In the figure, 1. vacuum pump; 2. tank body; 3. exhaust pipe; 4. filter; 5. exhaust hose; 6. first connecting block; 7. connecting pipe; 8. second connecting block; 9. first connecting groove; 10. second connecting groove; 11. limiting tube; 12. elastic connecting layer; 13. rotating block; 14. limiting block; 15. lifting rod. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] The utility model provides a vacuum pumping device for asphalt production, such as Figures 1 to 3 As shown, it includes a vacuum pump 1, a tank body 2 and an air outlet pipe 3 connected to the top of the tank body 2, a detachable filter screen 4 is provided in the air outlet pipe 3, and an air extraction hose 5 is provided on the vacuum pump 1. The air extraction hose 5 can be movably fitted to the inner wall of the air outlet pipe 3, and a first connecting block 6 is provided on the outer wall of the air outlet pipe 3. A connecting pipe 7 is rotatably provided on the outer wall of the air extraction hose 5, and a second connecting block 8 for connecting to the first connecting block 6 is provided at the bottom of the connecting pipe 7.

[0026] Furthermore, the number of the second connecting blocks 8 is two, and the two second connecting blocks 8 are symmetrically arranged at the bottom of the connecting pipe 7 .

[0027] Furthermore, the first connecting block 6 is in a circular ring shape, and a first connecting groove 9 is symmetrically provided on the top of the first connecting block 6 along the vertical direction, and a second connecting groove 10 is symmetrically provided on the first connecting block 6 along the horizontal direction and connected to the bottom of the first connecting groove 9, and the second connecting block 8 can be moved through the first connecting groove 9 and engaged with the second connecting groove 10.

[0028] Furthermore, the first connecting portion can be movably fitted to the outer wall of the first connecting block 6 .

[0029] Furthermore, a circular limiting tube 11 is provided on the outer wall of the exhaust hose 5, and the inner wall of the connecting tube 7 can be fitted against the outer wall of the limiting tube 11. When the second connecting block 8 is engaged with the second connecting groove 10, the end of the exhaust hose 5 contacts the filter 4, and the bottom end of the limiting tube 11 contacts the top end of the exhaust pipe 3.

[0030] Furthermore, an elastic connecting layer 12 is provided at the bottom end of the limiting tube 11 .

[0031] Furthermore, a rotating block 13 is provided on the outer wall of the connecting pipe 7 .

[0032] Furthermore, the inner wall of the connecting pipe 7 can be movably fitted to the outer wall of the first connecting block 6 .

[0033] Furthermore, a circular limiting block 14 is provided on the inner wall of the air outlet pipe 3 , and the outer diameter of the filter screen 4 is larger than the inner diameter of the limiting block 14 .

[0034] Furthermore, a lifting rod 15 is provided in the middle of the filter screen 4 along the vertical direction.

[0035] When the vacuum pump 1 is evacuating, the probability of extracting liquid substances is greatly reduced through the barrier of the filter 4, thereby reducing the probability of damage to the vacuum pump 1. After using it for a period of time, the connection between the exhaust hose 5 and the outlet pipe 3 can be disconnected, and the filter 4 can be taken out for cleaning to ensure the barrier effect of the filter 4.

[0036] By setting the first connecting groove 9, the second connecting groove 10, etc., when it is necessary to disconnect the exhaust hose 5 from the exhaust pipe 3, it is only necessary to rotate the connecting pipe 7 so that the second connecting block 8 enters the bottom of the first connecting groove 9 along the second connecting groove 10, and then take out the exhaust hose 5 upward (the exhaust hose 5 uses a pipe with a certain hardness, such as a corrugated pipe, so that the exhaust hose 5 can be moved within a certain range). The structure is simple and the operation is convenient.

[0037] By setting the limiting tube 11 and the elastic connecting layer 12, the exhaust hose 5 is allowed to contact the end of the exhaust pipe 3 through the limiting tube 11 and the elastic connecting layer 12, so that the connection between the exhaust hose 5 and the exhaust pipe 3 is in a relatively sealed state, which can not only ensure the exhaust efficiency of the exhaust pump, but also prevent the outside air from flowing back into the tank body 2.

[0038] By providing two second connecting blocks 8 , the connection between the exhaust hose 5 and the exhaust pipe 3 can be increased, thereby ensuring the stability of the vacuum pump 1 during the exhaust process.

[0039] The rotating block 13 is provided to facilitate the rotation of the connecting pipe 7 to connect or disconnect the air extraction hose 5 and the air outlet pipe 3 .

[0040] The lifting rod 15 is provided to facilitate the removal of the filter 4 for replacement or cleaning. It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referred to each other.

[0041] The above description is only a description of the preferred embodiments of the present invention and does not limit the scope of the present invention. Any changes and modifications made by ordinary technicians in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A vacuum pumping device for asphalt production, characterized by: The invention comprises a vacuum pump (1), a tank body (2), and an air outlet pipe (3) connected to the top of the tank body (2); a detachable filter screen (4) is provided in the air outlet pipe (3); an air extraction hose (5) is provided on the vacuum pump (1); the air extraction hose (5) can be movably attached to the inner wall of the air outlet pipe (3); a first connecting block (6) is provided on the outer wall of the air outlet pipe (3); a connecting pipe (7) is rotatably provided on the outer wall of the air extraction hose (5); and a second connecting block (8) for connecting to the first connecting block (6) is provided at the bottom of the connecting pipe (7).

2. The vacuum equipment for asphalt production according to claim 1, characterized in that: The number of the second connecting blocks (8) is 2, and the two second connecting blocks (8) are symmetrically arranged at the bottom of the connecting pipe (7).

3. The vacuum equipment for asphalt production according to claim 2, characterized in that: The first connecting block (6) is annular, and a first connecting groove (9) is symmetrically provided on the top of the first connecting block (6) in a vertical direction. A second connecting groove (10) is symmetrically provided on the first connecting block (6) in a horizontal direction and is connected to the bottom of the first connecting groove (9). The second connecting block (8) can movably pass through the first connecting groove (9) and be engaged with the second connecting groove (10).

4. The vacuum equipment for asphalt production according to claim 3, characterized in that: The connecting pipe (7) can be movably fitted to the outer wall of the first connecting block (6).

5. The vacuum equipment for asphalt production according to claim 3, characterized in that: The outer wall of the exhaust hose (5) is provided with a circular limiting tube (11), and the inner wall of the connecting tube (7) can be fitted with the outer wall of the limiting tube (11). When the second connecting block (8) is engaged with the second connecting groove (10), the end of the exhaust hose (5) contacts the filter (4), and the bottom end of the limiting tube (11) contacts the top end of the exhaust pipe (3).

6. The vacuum equipment for asphalt production according to claim 5, characterized in that: The bottom end of the limiting tube (11) is provided with an elastic connecting layer (12).

7. The vacuum equipment for asphalt production according to claim 3, characterized in that: The outer wall of the connecting pipe (7) is provided with a rotating block (13).

8. The vacuum equipment for asphalt production according to claim 3, characterized in that: The inner wall of the connecting pipe (7) can be movably fitted to the outer wall of the first connecting block (6).

9. The vacuum equipment for asphalt production according to claim 1, characterized in that: The inner wall of the air outlet pipe (3) is provided with a circular limiting block (14), and the outer diameter of the filter screen (4) is larger than the inner diameter of the limiting block (14).

10. The vacuum equipment for asphalt production according to claim 9, characterized in that: A lifting rod (15) is provided in the middle of the filter screen (4) along the vertical direction.

Images