Asphalt flue gas treatment device for asphalt modification process

Abstract

The utility model belongs to the technical field of asphalt production equipment, and particularly relates to an asphalt flue gas treatment device for an asphalt modification process, which is used for solving the problems that in the prior art, high-temperature asphalt flue gas cannot be quickly cooled to be in a solid state and cannot be thoroughly treated, and comprises a treatment square bin, an asphalt flue gas pipe and an exhaust pipe are arranged on the bin wall of the square treatment bin, a water outlet is formed in the bottom of the square treatment bin, a spray head is arranged at the top of the square treatment bin, a water pump is arranged between the water outlet and the spray head, and spray pipes for communicating the water outlet, the water pump and the spray head are arranged among the water outlet, the water pump and the spray head; the adsorption mechanism comprises a big-end-down horn mouth, the small end of the horn mouth is connected to the asphalt flue gas pipe, an adsorption plate is arranged below the big end of the horn mouth, a gap is formed between the big end of the horn mouth and the adsorption plate, a first condensation pipe is arranged in the adsorption plate, the first condensation pipe is arranged on the bin wall of the treatment square bin in a penetrating mode, and the first condensation pipe is connected with a condenser.

Description

Technical Field

[0001] The utility model belongs to the technical field of asphalt production equipment, in particular to an asphalt fume treatment device for an asphalt modification process. Background Art

[0002] During the asphalt modification process, asphalt is heated at high temperature to change from a solid state to a colloidal liquid, and gaseous smoke is produced at the same time. The asphalt fume is extremely harmful to the human body and the environment, and the asphalt fume needs to be treated.

[0003] The Chinese utility model patent discloses an asphalt recovery system for the production of graphite negative electrode materials with application number 202220438810.5, which includes a spray chamber, a separation tank, a spray pipe, a cooler and a collecting tank; the top opening of the separation tank receives the liquid outlet at the bottom of the spray chamber, the lower left part of the spray chamber is connected to an asphalt smoke pipe, the upper right part of the spray chamber is connected to an exhaust pipe, a nozzle is provided on the top of the spray chamber, the lower part of the separation tank is connected to the nozzle through the spray pipe, a pressure pump and a cooler are provided in sequence on the spray pipe along the water flow direction, an overflow pipe is provided on the upper part of the separation tank, and the collecting tank receives the outlet of the overflow pipe; the asphalt smoke enters the spray chamber, and liquid asphalt is precipitated after being sprayed and cooled by circulating water. The liquid asphalt enters the separation tank with the circulating water, and flows into the recovery tank through the overflow pipe to complete the treatment of the asphalt smoke.

[0004] However, the above-mentioned asphalt recovery system used in the production of graphite negative electrode materials cannot quickly cool down the high-temperature asphalt flue gas into a solid state, and the asphalt flue gas is not treated cleanly enough.

[0005] Therefore, in view of the above situation, an asphalt fume treatment device for an asphalt modification process is provided, which can quickly cool the asphalt fume and treat the asphalt fume more cleanly. Utility Model Content

[0006] The purpose of the utility model is to address the deficiencies in the prior art and to provide an asphalt fume treatment device for an asphalt modification process that can quickly cool asphalt fume and treat asphalt fume more cleanly, so as to solve the problems in the prior art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An asphalt flue gas treatment device for an asphalt modification process comprises a processing square bin, the bin wall of the processing square bin is provided with an asphalt fume pipe and an exhaust pipe, a water outlet is provided at the bottom of the processing square bin, a nozzle is provided at the top of the processing square bin, a water pump is provided between the water outlet and the nozzle, a spray pipe for connecting the water outlet, the water pump and the nozzle is provided between them, an adsorption mechanism is provided in the processing square bin, the adsorption mechanism comprises a bell mouth with a small upper part and a large lower part, the small end of the bell mouth is connected to the asphalt fume pipe, an adsorption plate is provided below the large end of the bell mouth, a gap is provided between the large end of the bell mouth and the adsorption plate, a condensation tube is provided in the adsorption plate, the condensation tube is penetrated through the bin wall of the processing square bin, and the condensation tube is connected to a condenser.

[0009] Preferably, a filter plate is provided below the adsorption plate, and three sides of the filter plate are attached to the walls of the processing warehouse. A vertical baffle is provided on the other side of the filter plate, and two side sides of the vertical baffle are attached to the walls of the processing warehouse. The lower side of the vertical baffle is attached to the filter plate, and the upper side of the vertical baffle extends to the bottom of the nozzle. There is a gap between the side of the vertical baffle and the wall of the processing warehouse, and the exhaust pipe is arranged below the filter plate.

[0010] Preferably, the filter plate is arranged at an angle.

[0011] Preferably, a sewage pool is arranged next to the processing square warehouse, a sewage outlet is arranged above the joint between the warehouse wall of the processing square warehouse and the filter plate, and a sewage pipe is connected to the sewage outlet and the position below the liquid surface of the sewage pool.

[0012] Preferably, a second sewage outlet is provided on the wall of the processing warehouse at the liquid level position, and a second sewage pipe is connected to the second sewage outlet and a position below the liquid level of the sewage pool.

[0013] Preferably, a water baffle is provided below the filter plate in a downwardly inclined manner, three sides of the water baffle are in contact with the warehouse wall of the processing warehouse, and there is a gap between the other side of the water baffle and the warehouse wall of the processing warehouse.

[0014] Preferably, the condenser is also connected to a second condenser pipe, which passes through the wall of the processing chamber and is arranged at the bottom of the processing chamber.

[0015] Preferably, the exhaust pipe is arranged to be inclined upward, a water filter plate is arranged in the exhaust pipe, and an axial flow fan is arranged on the exhaust side of the water filter plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the scheme of the utility model, the high-temperature gaseous asphalt fume coming out of the asphalt fume pipe is quickly cooled into liquid or solid through an adsorption plate with a built-in condenser tube. The liquid or solid asphalt remains on the adsorption plate, and the cold water drops sprayed from the nozzle further cool and adsorb the asphalt fume. The treated gas is discharged from the exhaust pipe, thereby achieving a cleaner effect on the treatment of asphalt fume; the filter plate intercepts the solid or liquid asphalt and then introduces it into the sewage pool to prevent the solid or liquid asphalt from sinking to the bottom of the processing bin and blocking the water outlet. The water baffle buffers the water droplets flowing down from the filter plate, reduces the liquid level fluctuation at the bottom of the processing bin, and facilitates the flow of oil on the liquid surface into the sewage pool. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions, and the following description is made with respect to the drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the asphalt flue gas treatment device used in the asphalt modification process of the utility model.

[0020] In the figure:

[0021] 1. Treatment cubicle; 2. Asphalt fume pipe; 3. Exhaust pipe; 4. Water outlet; 5. Nozzle; 6. Water pump; 7. Spray pipe; 8. Adsorption mechanism; 81. Bell mouth; 82. Adsorption plate; 83. Condenser tube 1; 84. Condenser; 9. Filter plate; 10. Vertical baffle; 11. Sewage pool; 12. Sewage outlet 1; 13. Sewage pipe 1; 14. Sewage outlet 2; 15. Sewage pipe 2; 16. Water baffle; 17. Condenser tube 2; 18. Water filter plate; 19. Axial flow fan. DETAILED DESCRIPTION

[0022] The embodiments described below are only some of the embodiments of the present invention and do not represent all the embodiments consistent with the present invention. Now, in conjunction with the accompanying drawings, the exemplary embodiments are described as follows:

[0023] like Figure 1As shown, the asphalt fume treatment device for asphalt modification process of the utility model comprises a processing square bin 1, the bin wall of the processing square bin 1 is provided with an asphalt fume pipe 2 and an exhaust pipe 3, a water outlet 4 is provided at the bottom of the processing square bin 1, a nozzle 5 is provided at the top of the processing square bin 1, a water pump 6 is provided between the water outlet 4 and the nozzle 5, a spray pipe 7 for connecting the water outlet 4, the water pump 6 and the nozzle 5 is provided between them, the water droplets sprayed by the nozzle 5 flow to the bottom of the processing square bin 1, and then flow from the water outlet 4 to the water pump 6, the water pump 6 pumps water to the nozzle 5 through the spray pipe 7, and performs circulating water spraying; an adsorption mechanism 8 is provided in the processing square bin 1, the adsorption mechanism 8 comprises a bell mouth 81 with a small upper part and a large lower part, the small end of the bell mouth 81 is connected to the asphalt fume pipe 2, an adsorption plate 82 is provided below the large end of the bell mouth 81, and there is a gap between the large end of the bell mouth 81 and the adsorption plate 82; The asphalt fume enters the bell mouth 81 from the asphalt fume pipe 2, is blocked by the adsorption plate 82, and then flows out from the gap between the large end of the bell mouth 81 and the adsorption plate 82, and is then sprayed by the water droplets sprayed from the nozzle 5, and finally discharged from the exhaust pipe 3; a condenser 83 is arranged in the adsorption plate 82, and the condenser 83 is penetrated through the wall of the processing square warehouse 1, the condenser 83 is fixed on the wall of the processing square warehouse 1, the adsorption plate 82 is fixed on the condenser 83, the adsorption plate 82 is suspended inside the processing square warehouse 1, the condenser 83 is connected to the condenser 84, and the refrigerant in the condenser 83 flows to the adsorption plate 82 after being cooled by the condenser 84, takes away the heat of the adsorption plate 82 and then flows back to the condenser 84, so as to circulate and cool the adsorption plate 82; the adsorption plate 82 quickly cools the high-temperature gaseous asphalt fume into liquid or solid, and the water droplets sprayed from the nozzle 5 further cool and adsorb the asphalt fume.

[0024] As a preferred embodiment, on the basis of the above structure, preferably, a filter plate 9 is arranged below the adsorption plate 82, and three sides of the filter plate 9 are attached to the warehouse wall of the processing warehouse 1, and a vertical baffle 10 is arranged on the other side of the filter plate 9, and the two sides of the vertical baffle 10 are attached to the warehouse wall of the processing warehouse 1, and the lower side of the vertical baffle 10 is attached to the filter plate 9, and the upper side of the vertical baffle 10 extends to the bottom of the nozzle 5, and there is a gap between the side of the vertical baffle 10 and the warehouse wall of the processing warehouse 1. , the exhaust pipe 3 is arranged below the filter plate 9; the filter plate 9 and the vertical baffle 10 intercept the asphalt flowing down from the adsorption plate 82 and the asphalt carried in the water droplets, and the water flows to the bottom of the processing bin 1 through the filter plate 9 to prevent the solid or liquid asphalt from sinking to the bottom of the processing bin 1 and blocking the water outlet 4; the asphalt fume is blocked by the filter plate 9 and the vertical baffle 10, and after being fully sprayed, it passes through the gap between the side of the vertical baffle 10 and the bin wall of the processing bin 1 and flows to the exhaust pipe 3 for discharge.

[0025] As a preferred embodiment, based on the above structure, preferably, the filter plate 9 is tilted, and the solid or liquid asphalt will flow to the lower part of the filter plate 9, which is not easy to block the entire filter plate 9, and it is convenient for water to pass through the filter plate 9.

[0026] As a preferred embodiment, on the basis of the above structure, preferably, a sewage pool 11 is arranged next to the processing chamber 1, and a sewage outlet 12 is arranged above the joint between the chamber wall of the processing chamber 1 and the filter plate 9, and a sewage pipe 13 is connected to the sewage outlet 12 and the position below the liquid surface of the sewage pool 11; the solid or liquid asphalt on the filter plate 9 flows to the sewage pool 11 through the sewage pipe 13, which reduces the replacement and maintenance of the filter plate 9 and is also convenient for further centralized treatment of the solid or liquid asphalt; the sewage pipe 13 extends below the liquid surface of the sewage pool 11 to prevent the asphalt fume in the processing chamber 1 from being discharged from the sewage pipe 13.

[0027] As a preferred embodiment, on the basis of the above structure, preferably, a sewage outlet 14 is provided on the wall of the processing chamber 1 at the liquid level position, and a sewage pipe 15 is connected to the sewage outlet 14 and the position below the liquid level of the sewage pool 11. The oil on the liquid surface in the processing chamber 1 flows from the sewage pipe 15 to the sewage pool 11, and the sewage pipe 15 extends below the liquid level of the sewage pool 11 to prevent the asphalt fume in the processing chamber 1 from being discharged from the sewage pipe 15.

[0028] As a preferred embodiment, on the basis of the above structure, preferably, a water baffle 16 is arranged downwardly inclined below the filter plate 9, and three sides of the water baffle 16 are in contact with the wall of the processing chamber 1, and there is a gap between the other side of the water baffle 16 and the wall of the processing chamber 1. The water baffle 16 buffers the water droplets flowing down from the filter plate 9, reduces the liquid level fluctuation at the bottom of the processing chamber 1, and facilitates the flow of oil on the liquid surface into the sewage pool 11.

[0029] As a preferred embodiment, preferably, the condenser 84 is also connected to a second condenser tube 17, which passes through the wall of the processing chamber 1 and is arranged at the bottom of the processing chamber 1; the second condenser tube 17 cools the water at the bottom of the processing chamber 1, so that the circulating spraying water maintains a low temperature, thereby improving the spray cooling effect of the water droplets on the asphalt fume.

[0030] As a preferred embodiment, preferably, the exhaust pipe 3 is arranged to be inclined upward to facilitate the condensed water droplets in the exhaust pipe 3 to flow back into the processing square warehouse 1. A water filter plate 18 is arranged in the exhaust pipe 3 to filter water vapor in the gas. An axial flow fan 19 is arranged on the exhaust side of the water filter plate 18 to increase the speed at which the gas is discharged from the processing square warehouse 1.

[0031] The working principle of the utility model is as follows:

[0032] When in use, the condenser 84 continues to cool, the nozzle 5 continues to spray water, the high-temperature asphalt fume enters the bell mouth 81 from the asphalt fume pipe 2, and is cooled into solid or liquid asphalt through the adsorption plate 82. The residual asphalt fume is cooled and adsorbed by the water droplets sprayed from the nozzle 5 and falls to the filter plate 9. The gas is discharged from the exhaust pipe 3. The solid or liquid asphalt on the adsorption plate 82 flows to the filter plate 9 with the water droplets. The water droplets pass through the filter plate 9 and flow to the water retaining plate 16, and then flow to the bottom of the processing warehouse 1. The solid or liquid asphalt on the filter plate 9 flows to the sewage pool 11, and the oil on the liquid surface flows to the sewage pool 11.

[0033] The above are only preferred specific embodiments of the utility model and are not intended to limit the protection scope of the utility model; any equivalent changes, modifications, substitutions and variations made by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the protection scope determined by the claims.

Claims

1. An asphalt fume treatment device for an asphalt modification process, comprising a treatment chamber (1), the chamber wall of the treatment chamber (1) being provided with an asphalt fume pipe (2) and an exhaust pipe (3), a water outlet (4) being provided at the bottom of the treatment chamber (1), a nozzle (5) being provided at the top of the treatment chamber (1), a water pump (6) being provided between the water outlet (4) and the nozzle (5), and a spray pipe (7) being provided between the water outlet (4), the water pump (6) and the nozzle (5) for connecting them, characterized in that: The processing square bin (1) is provided with an adsorption mechanism (8), the adsorption mechanism (8) comprising a bell mouth (81) which is small at the top and large at the bottom, the small end of the bell mouth (81) is connected to the asphalt fume pipe (2), an adsorption plate (82) is provided below the large end of the bell mouth (81), there is a gap between the large end of the bell mouth (81) and the adsorption plate (82), a condensation pipe (83) is provided in the adsorption plate (82), the condensation pipe (83) is passed through the bin wall of the processing square bin (1), and the condensation pipe (83) is connected to a condenser (84).

2. The asphalt fume treatment device for asphalt modification process according to claim 1, characterized in that: A filter plate (9) is arranged below the adsorption plate (82), three sides of the filter plate (9) are in contact with the wall of the processing chamber (1), a vertical baffle (10) is arranged on the other side of the filter plate (9), two side sides of the vertical baffle (10) are in contact with the wall of the processing chamber (1), the lower side of the vertical baffle (10) is in contact with the filter plate (9), the upper side of the vertical baffle (10) extends to the bottom of the nozzle (5), a gap is formed between the side of the vertical baffle (10) and the wall of the processing chamber (1), and an exhaust pipe (3) is arranged below the filter plate (9).

3. The asphalt fume treatment device for asphalt modification process according to claim 2 is characterized in that: The filter plate (9) is arranged tilted.

4. The asphalt fume treatment device for asphalt modification process according to claim 2 or 3, characterized in that: A sewage pool (11) is arranged next to the processing chamber (1), a sewage outlet (12) is arranged above the joint between the chamber wall of the processing chamber (1) and the filter plate (9), and a sewage pipe (13) is connected between the sewage outlet (12) and the position below the liquid surface of the sewage pool (11).

5. The asphalt fume treatment device for asphalt modification process according to claim 4 is characterized in that: The wall of the processing square bin (1) at the liquid level is provided with a second sewage outlet (14), and the second sewage outlet (14) is connected to a position below the liquid level of the sewage pool (11) via a second sewage pipe (15).

6. The asphalt fume treatment device for asphalt modification process according to claim 5, characterized in that: A water baffle (16) is arranged downwardly inclined below the filter plate (9), three sides of the water baffle (16) are in contact with the wall of the processing bin (1), and a gap exists between the other side of the water baffle (16) and the wall of the processing bin (1).

7. The asphalt fume treatment device for asphalt modification process according to claim 1, characterized in that: The condenser (84) is also connected to a second condensation pipe (17), and the second condensation pipe (17) passes through the wall of the processing chamber (1) and is arranged at the bottom of the processing chamber (1).

8. The asphalt fume treatment device for asphalt modification process according to claim 1, characterized in that: The exhaust pipe (3) is arranged to be inclined upward, a water filter plate (18) is arranged inside the exhaust pipe (3), and an axial flow fan (19) is arranged on the exhaust side of the water filter plate (18).

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