CN214406816U

CN214406816U - Energy-concerving and environment-protective road surface pitch regeneration drying device

Info

Publication number: CN214406816U
Application number: CN202120227788.5U
Authority: CN
Inventors: 李鹏宇
Original assignee: Xi'an Zhongde Luze Transportation Technology Co ltd
Current assignee: Xi'an Zhongde Luze Transportation Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-15
Anticipated expiration: 2031-01-27

Abstract

The utility model relates to an energy-saving and environment-friendly road surface asphalt regeneration drying device, which comprises a box body, wherein the top of the box body is provided with a feed hopper, and a material guide plate positioned below the feed hopper is provided with a drying box; an interlayer is arranged between the inner wall and the outer wall of the drying box; a stirring shaft tube with a hollow inner part is arranged in the drying box, the lower end of the stirring shaft tube is connected with a motor arranged at the bottom of the drying box, the side wall of the lower end of the stirring shaft tube is communicated with an air suction pump, a stirring scraping paddle is fixedly connected to the stirring shaft tube and is communicated with the stirring shaft tube, the stirring scraping paddle is close to the inner wall of the drying box, and the stirring shaft tube, the stirring scraping paddle and the drying box are respectively provided with a pressure exhaust valve; an asphalt collecting box is arranged on one side below the drying box, a heating water tank is arranged on the other side, the bottom of the inner wall of the drying box is communicated with the asphalt collecting box through a communicating pipe, and an interlayer between the inner wall and the outer wall of the drying box is communicated with the heating water tank through a connecting pipe; the heating and the sufficient stirring can be carried out, and a heat source is continuously provided for the asphalt in the heating and drying box through the water vapor.

Description

Energy-concerving and environment-protective road surface pitch regeneration drying device

Technical Field

The utility model relates to a regeneration facility technical field is retrieved to pitch especially relates to an energy-concerving and environment-protective road surface pitch regeneration drying device.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and is soluble in carbon disulfide. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material, and can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking. Petroleum pitch is the residue of crude oil distillation. Natural bitumen is stored underground, and some forms a mineral layer or is accumulated on the surface of the crust. The asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavement and the like.

But current pitch regeneration drying equipment has had a large amount of shortcomings, for example current pitch regeneration drying equipment is quick to be dried pitch, serious reduction drying efficiency, during the pitch heating, can produce some flue gases, current pitch regeneration drying equipment can not be fine handle the produced gas when drying pitch, so that serious causes the injury to staff's health, and random emission has led to the fact the pollution to the environment, great reduction pitch regeneration drying equipment's practicality.

Therefore, it is necessary to provide an energy-saving and environment-friendly road asphalt recycling and drying device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the main object of the utility model is to provide an energy-saving and environment-friendly road asphalt regeneration drying device.

In order to achieve the purpose, the utility model adopts the following technical scheme that the energy-saving and environment-friendly road surface asphalt regeneration drying device comprises a box body, wherein the top of the box body is provided with a feed hopper, and is characterized in that a drying box is arranged in the box body;

an interlayer is arranged between the inner wall and the outer wall of the drying box;

the drying box is internally provided with a hollow stirring shaft tube, the lower end of the stirring shaft tube is connected with a motor arranged at the bottom of the drying box, the side wall of the lower end of the stirring shaft tube is communicated with an air suction pump, the stirring scraping paddle is fixedly connected to the stirring shaft tube and is communicated with the stirring shaft tube, the stirring scraping paddle is close to the inner wall of the drying box, and the stirring shaft tube, the stirring scraping paddle and the drying box are respectively provided with a pressure exhaust valve;

stoving case below one side is equipped with pitch and collects the box, and the opposite side is equipped with heating water tank, stoving incasement wall bottom is collected the box intercommunication through communicating pipe and pitch, the intermediate layer between stoving incasement wall and the outer wall passes through first connecting pipe and heating water tank intercommunication, stirring central siphon, stirring scrape the oar and are equipped with pressure vent valve respectively with the stoving case.

Further, the bottom of the stirring pipe shaft penetrates through the drying box and extends into the heating water tank below the drying box, and the lower end of the stirring pipe shaft is located at the upper end of the liquid level of the heating water tank.

Further, the stirring central siphon passes through sealed bearing and stoving bottom of the case portion swing joint, the stirring central siphon communicates a plurality of inside hollow branch oars respectively with inside hollow stirring on scraping the oar, divide the oar slope intercommunication.

Further, the motor is arranged in an interlayer at the bottom of the drying box, a branch pipe communicated with the stirring shaft pipe is arranged in the interlayer, and the branch pipe is communicated with the stirring shaft pipe through a suction pump.

Further, feeder hopper top swing joint lid, the stock guide is located the feeder hopper below, the stock guide extends to stoving case top.

Further, the top is equipped with the suction nozzle in the box, the box top is equipped with the exhaust-gas treatment case, the aspiration pump that the box top was equipped with, the inlet end of aspiration pump penetrates in the box and communicates through connecting pipe and suction nozzle, the aspiration pump is given vent to anger the end and is communicated with the exhaust-gas treatment case.

Further, stoving incasement wall is made for heat conduction material, stoving incasement wall is made for the heat preservation material.

Furthermore, a water inlet valve is arranged on the side wall of the heating water tank.

Compared with the prior art, the utility model discloses can: the pitch in the stoving case can be abundant by heating and stirring, gets into stoving incasement intermediate layer through the steam and constantly provides the heat source for the pitch of heating stoving incasement to the structural design of rabbling mechanism has guaranteed that pitch can be abundant by the stirring, prevents simultaneously that pitch adhesion from on stoving incasement wall, guarantees the stoving effect of pitch, and exhaust treatment device will absorb the pollution nature gas that produces harmful to the human body in handling pitch regeneration is dried.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

fig. 2 is a schematic view of a partial enlarged structure of the air pump 20 according to the present invention;

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Example (b):

referring to fig. 1, the energy-saving and environment-friendly road asphalt recycling and drying device comprises a box body 1, wherein a feed hopper 2 is arranged at the top of the box body 1, and is characterized in that a drying box 6 is arranged in the box body 1;

an interlayer 5 is arranged between the inner wall and the outer wall of the drying box 6;

a stirring shaft tube 8 which is hollow inside is arranged in the drying box 6, the lower end of the stirring shaft tube 8 is connected with a motor arranged at the bottom of the drying box 6, the side wall of the lower end of the stirring shaft tube 8 is communicated with an air suction pump 20, the stirring scraping paddle 7 is fixedly connected to the stirring shaft tube 8 and is communicated with the stirring shaft tube 8, the stirring scraping paddle 7 is close to the inner wall of the drying box 6, and the stirring shaft tube 8, the stirring scraping paddle 7 and the drying box 6 are respectively provided with a pressure exhaust valve;

stoving case 6 below one side is equipped with pitch and collects box 18, and the opposite side is equipped with heating water tank 9, stoving 6 inner wall bottoms of case are collected box 18 intercommunications through communicating pipe 17 and pitch, the intermediate layer 5 between stoving 6 inner wall and the outer wall communicates with heating water tank 9 through first connecting pipe 12.

Asphalt to be regenerated and dried is put into a drying box 6 from a feeding hopper 2 connected with the top of the box body 1, the asphalt is sent into the drying box 6 along a guide plate 3 on the inner wall of a connector box body, then a heating water tank 9 is arranged below the drying box 6 and is communicated with the outer wall at the bottom of the drying box 6 through a first connecting pipe 12, so that an interlayer 5 between the inner wall and the outer wall of the drying box 6 is communicated with the heating water tank 9, the heating water tank 9 heats water in the drying box 9, the water is converted into vapor which enters the interlayer 5 from the first connecting pipe 12 to heat and dry the whole drying box 6, in order to ensure sufficient heating and drying, a stirring mechanism is arranged in the drying box 6, the bottom of a stirring pipe shaft 8 can further penetrate through the drying box 6 and extend into the heating water tank 9 below the drying box 6, the lower end of the stirring pipe 8 is positioned at the upper end of the liquid level of the heating water tank 9, and the stirring pipe 8 is also communicated with a stirring scraping paddle 7 close to the drying box 6, the vapor that the heating formed gets into inside hollow stirring central siphon 8 and inside hollow stirring scrapes oar 7, vapor can get into stirring central siphon 8 in order to guarantee on the heating water tank 9, stirring scrapes oar 7 and stoving case 6, stirring central siphon 8, the stirring is scraped oar 7 and is equipped with pressure discharge valve respectively with stoving case 6, guarantee that inside atmospheric pressure can not be too high, lead to the unable entering of vapor, can provide the heat source when can more stir, guarantee that pitch can be abundant being heated, make pitch slowly be heated, the stoving effect is better, then the good pitch of stoving treatment, can follow the communicating pipe 17 of stoving case 6 bottoms flow into in the pitch collection box that stoving case 6 below was equipped with.

Please refer to fig. 2, stirring shaft pipe 8 passes through sealed bearing and 6 bottom inner walls of stoving case and outer wall swing joint, 5 bottoms in intermediate layer are equipped with the motor and are connected with 8 lower extremes of stirring shaft pipe, because it is sticky to consider pitch, difficult stirring, the resistance that the stirring rake received is bigger, consequently stirring shaft pipe 8 and inside hollow stirring scrape the oar 7 go up and communicate a plurality of inside hollow branch oars of dividing respectively, divide the oar slope intercommunication, lead to the stirring and give the pitch heating simultaneously, the pitch after being heated is easily stirred, and the stirring of many branches divides the oar stirring resistance to be littleer, the stirring is more abundant.

Further, the motor is established in 6 bottom intermediate layer 5 of stoving case, be equipped with the branch pipe 14 with 8 intercommunications of stirring central siphon in the intermediate layer 5, branch pipe 14 and stirring central siphon 8 pass through aspirator pump 20 intercommunication, and aspirator pump 20 will be sent into stirring central siphon 8 and stirring through branch pipe 14 with the aqueous vapor of intermediate layer 5 intercommunication and scrape the oar 7 aqueous vapor completion heat exchange rear portion divide into the drop of water and attach to on the inner wall, flow back along the inner wall and fall to heating water tank 9 in.

Further, because of considering that the pitch is dried and can produce irritative harmful gas, need 2 top swing joint lids of feeder hopper, in order to guarantee that the entering pitch can directly get into the stoving case completely, stock guide 3 is located feeder hopper 2 below, stock guide 3 extends to stoving case 6 top.

Further, in this embodiment, since the asphalt is heated in the process of regeneration and drying, the asphalt is heated to generate harmful gas to human body and atmosphere, so that a suction nozzle 19 needs to be arranged at the top inside the box 1, an exhaust gas treatment box 10 is arranged at the top of the box 1, a suction pump 11 is arranged at the top of the box 1, an air inlet end of the suction pump 11 penetrates into the box 1 and is communicated with the suction nozzle 19 through a connecting pipe 16, an air outlet end of the suction pump 11 is communicated with the exhaust gas treatment box 10, and the generated harmful gas is sucked into the exhaust gas treatment box 10 for treatment.

Further, in this embodiment, for the better more efficient work of stoving

case

6, 6 inner walls of stoving case are made for heat conduction material, 6 outer walls of stoving case are made for heat preservation material.

Further, when water needs to be added into the heating water tank 9, a water inlet valve 13 is arranged on the side wall of the heating water tank 9 and connected with a water pipe, and the water inlet valve 13 is opened to add water.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.

Claims

1. An energy-saving and environment-friendly road asphalt regeneration drying device comprises a box body (1), wherein a feed hopper (2) is arranged at the top of the box body (1), and a material guide plate (3) positioned below the feed hopper (2) is fixedly connected to the inner wall of the box body (1), and is characterized in that a drying box (6) is arranged in the box body (1);

an interlayer (5) is arranged between the inner wall and the outer wall of the drying box (6);

a stirring shaft tube (8) with a hollow inner part is arranged in the drying box (6), the lower end of the stirring shaft tube (8) is connected with a motor arranged at the bottom of the drying box (6), the side wall of the lower end of the stirring shaft tube (8) is communicated with an air suction pump (20), the stirring shaft tube (8) is communicated with a stirring scraping paddle (7), the stirring scraping paddle (7) is close to the inner wall of the drying box (6), and pressure exhaust valves are respectively arranged at the tops of the stirring shaft tube (8), the stirring scraping paddle (7) and the drying box (6);

stoving case (6) below one side is equipped with pitch and collects box (18), and the opposite side is equipped with heating water tank (9), stoving case (6) inner wall bottom is through communicating pipe (17) and pitch collection box (18) intercommunication, intermediate layer (5) between stoving case (6) inner wall and the outer wall are through first connecting pipe (12) and heating water tank (9) intercommunication.

2. The energy-saving environment-friendly road asphalt recycling and drying device as claimed in claim 1, wherein the stirring shaft tube (8) is movably connected with the bottom of the inner wall of the drying box (6) through a sealing bearing, the stirring shaft tube (8) and the stirring scraping paddle (7) with hollow inside are respectively communicated with a plurality of sub-paddles with hollow inside, and the sub-paddles are obliquely communicated.

3. The energy-saving and environment-friendly road asphalt recycling and drying device as claimed in claim 1, wherein the motor is arranged in an interlayer (5) at the bottom of the drying box (6), a branch pipe (14) communicated with the stirring shaft pipe (8) is arranged in the interlayer (5), and the branch pipe (14) is communicated with the stirring shaft pipe (8) through a suction pump (20).

4. The energy-saving and environment-friendly road asphalt recycling and drying device as claimed in claim 1, wherein a cover is movably connected to the top of the feeding hopper (2), and the discharge end of the guide plate (3) extends to the upper part of the drying box (6).

5. The energy-saving and environment-friendly road asphalt recycling and drying device according to claim 1, characterized in that a suction nozzle (19) is arranged at the top inside the box body (1), an exhaust gas treatment box (10) is arranged at the top inside the box body (1), a suction pump (11) is arranged at the top inside the box body (1), the air inlet end of the suction pump (11) penetrates into the box body (1) and is communicated with the suction nozzle (19) through a connecting pipe (16), and the air outlet end of the suction pump (11) is communicated with the exhaust gas treatment box (10).

6. The energy-saving and environment-friendly road asphalt recycling and drying device as claimed in claim 1, wherein the inner wall of the drying box (6) is made of heat conducting material, and the outer wall of the drying box (6) is made of heat insulating material.

7. The energy-saving and environment-friendly road asphalt recycling and drying device as claimed in claim 1, wherein a water inlet valve (13) is arranged on the side wall of the heating water tank (9).