CN212505724U

CN212505724U - Decompression formula stirred tank of preparation foam pitch

Info

Publication number: CN212505724U
Application number: CN202021272101.1U
Authority: CN
Inventors: 薛山; 于新; 陆斌
Original assignee: Jiangsu Renjie Zhulu Machinery Technology Co ltd
Current assignee: Sichuan Ruixin Supply Chain Management Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-09
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a decompression type stirring kettle for preparing foamed asphalt, which belongs to the technical field of asphalt production and comprises a stirring kettle, a weighing platform and a main foam spraying pipeline, wherein the stirring kettle comprises a kettle body, a motor, a stirring shaft, stirring blades and a weighing support, the motor is arranged at the top of the kettle body, the stirring shaft is arranged in the kettle body and is connected with a main shaft of the motor, the stirring blades are arranged at the bottom of the stirring shaft, the top of the kettle body is also provided with an asphalt inlet pipe, a water inlet pipe, a compressed gas inlet pipe and an additive inlet pipe, gate valves are arranged on the asphalt inlet pipe, the water inlet pipe, the compressed gas inlet pipe and the additive inlet pipe, the bottom of the kettle body is also provided with a foamed asphalt outlet valve, the problem that the foaming operation is complicated and the foaming efficiency is too low in the foaming method for solving the foamed asphalt is solved, the liquid-liquid mixing is more uniform, the half-life period of the foamed asphalt is prolonged, and the stability of the foamed asphalt is increased.

Description

Decompression formula stirred tank of preparation foam pitch

Technical Field

The utility model belongs to the technical field of the pitch production technique and specifically relates to a decompression formula stirred tank of preparation foam pitch is related to.

Background

The foamed asphalt is prepared by adding a certain amount of water into high-temperature asphalt, rapidly gasifying the water by heating, mixing the water with the asphalt, forming explosive foam by the asphalt, increasing the surface area of the asphalt in a large proportion, greatly expanding the volume by several times to several tens of times, reducing the viscosity, then breaking the foamed asphalt and only retaining a small amount of microscopic bubbles in the foamed asphalt, and the asphalt expanded into the foam is called the foamed asphalt.

The regeneration technology of the foam warm-mixed asphalt mixture refers to a process of designing the mixing amount of the milled waste asphalt pavement material, mixing the waste asphalt pavement material with a new material, adding foam asphalt through special foaming equipment, paving and flattening the mixture by using a paver after mechanical mixing, and finally compacting the mixture by using a compactor. The foam warm-mix recycled asphalt mixture technology is used for recycling waste asphalt mixtures, can effectively reduce the aging of asphalt, reduce the heating temperature during recycling, reasonably use the waste asphalt mixtures, and fully embody the advantages of waste utilization, energy conservation, emission reduction, environmental protection and the like.

In the prior art, foaming equipment is used for foaming asphalt to form foamed asphalt, but the foaming operation of the existing foamed asphalt is too rough, gas-liquid mixing is difficult, the process is uncontrollable, the foaming efficiency is too low, and bubbles are easy to break.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a decompression formula stirred tank of preparation foam pitch to there is the bubble to send out the operation complicacy in the foaming mode of foam pitch among the solution prior art, technical problem that foaming efficiency is low excessively.

The utility model provides a decompression formula stirred tank of preparation foam pitch, including stirred tank, the platform of weighing and spout the foam trunk line, stirred tank includes the cauldron body, motor, (mixing) shaft, stirring vane and the support of weighing, the support equipment of weighing is in the outside of the cauldron body, the motor sets up the top at the cauldron body, the (mixing) shaft sets up at the internal portion of cauldron, just the (mixing) shaft with the main shaft of motor is connected, stirring vane sets up the bottom at the (mixing) shaft, the top of the cauldron body still is equipped with pitch import pipe, water import pipe, compressed gas import pipe and additive import pipe, all be equipped with the gate valve on pitch import pipe, water import pipe, compressed gas import pipe and the additive import pipe, the bottom of the cauldron body still is equipped with the foam pitch outlet valve.

Further, the weighing platform comprises weighing supports and weighing scales, the weighing scales are respectively arranged at the bottoms of the weighing supports, the bottom of each weighing scale is connected with the weighing support, the weighing scales are used for measuring the weight of the additive during the production of the foamed asphalt, the quantitative charging effect can be achieved, and the precision can be controlled.

Further, the main spraying pipe is arranged at the bottom of the foamed asphalt outlet valve, a plurality of spray pipes are further arranged at the bottom of the main spraying pipe, and foamed asphalt is formed in the main spraying pipe 3 and the spray pipes 301 in the pressure loss process of the water and asphalt mixture fluid released from the stirring kettle 1.

Compared with the prior art, the beneficial effects of the utility model reside in that:

firstly, a compressed gas inlet pipe is arranged on the stirring kettle, a foamed asphalt outlet valve is arranged at the bottom of the stirring kettle, asphalt is added in a pressurization and decompression mode, an asphalt pump can be omitted, and the cost is greatly reduced;

secondly, the whole pipeline is closed by using a gate valve, and no asphalt smoke is discharged;

thirdly, the raw materials are quantitatively added through a weight scale, and the precision is controlled.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a first angle of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of a second angle of the present invention.

Reference numerals:

the device comprises a stirring kettle 1, a weighing platform 2, a main spray-foam pipeline 3, a kettle body 101, a motor 102, a stirring shaft 103, stirring blades 104, a weighing support 105, an asphalt inlet pipe 106, a water inlet pipe 107, a compressed air inlet pipe 108, an additive inlet pipe 109, a gate valve 110, a weighing bracket 201, a weight scale 202 and a spray pipe 301.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the embodiment of the present invention provides a decompression type stirring tank for preparing foamed asphalt, including a stirring tank 1, a weighing platform 2 and a main foam spraying pipe 3, the stirring tank 1 includes a tank body 101, a motor 102, a stirring shaft 103, stirring blades 104 and a weighing support 105, the weighing support 105 is disposed outside the tank body 101, the weighing support 105 is used for connecting the weighing platform 2, the motor 102 is disposed on the top of the tank body 101, the stirring shaft 103 is disposed inside the tank body 101, the stirring shaft 103 is connected to the main shaft of the motor 102, the stirring blades 104 are disposed on the bottom of the stirring shaft 103, when the motor 102 works, the stirring blades 104 can be driven by the stirring shaft 103 to rotate, so as to achieve the stirring effect, the top of the tank body 101 is further provided with an asphalt inlet pipe 106, a water inlet pipe 107, a stirring shaft 107, and a stirring shaft 105, The device comprises a compressed air inlet pipe 108 and an additive inlet pipe 109, wherein the asphalt inlet pipe 106 is used for adding asphalt, the water inlet pipe 107 is used for adding water, the compressed gas inlet pipe 108 is used for adding compressed gas, the additive inlet pipe 109 is used for adding additives, gate valves 110 are arranged on the asphalt inlet pipe 106, the water inlet pipe 107, the compressed air inlet pipe 108 and the additive inlet pipe 109 and are used for ensuring the sealing property inside the kettle body 101, and a foamed asphalt outlet valve is further arranged at the bottom of the kettle body 101 and is used for releasing processed foamed asphalt fluid.

Preferably, the weighing platform 2 comprises a weighing support 201 and weighing scales 202, the weighing scales 202 are respectively arranged at the bottom of the weighing support 105, the bottom of each weighing scale is connected with the weighing support 201, and the weighing scales 202 are used for measuring the weight of the additive during the preparation of the foamed asphalt, so that the quantitative charging effect and the controllable precision can be achieved.

Preferably, the main foam spraying pipeline 3 is arranged at the bottom of the foamed asphalt outlet valve, a plurality of spray pipes 301 are further arranged at the bottom of the main foam spraying pipeline 3, and the foamed asphalt is formed in the main foam spraying pipeline 3 and the spray pipes 301 in the pressure loss process of the mixture fluid of water and asphalt released from the stirring kettle 1.

A method for preparing foamed asphalt by using a decompression type stirring kettle comprises the following steps:

s1: asphalt and additives are added to the stirred tank 1.

S2: the weight of the asphalt and additives is measured by the weight scale 202 to control accuracy.

S3: the motor 102 is started to drive the stirring blade 104 through the stirring shaft 103 to stir the asphalt and the additive, so that the asphalt and the additive are fully mixed.

S4: the stirred tank 1 was pressurized to a prescribed pressure by injecting a compressed gas.

S5: a fixed amount of water was injected.

S6: the fluid in the stirring tank 1 is stirred uniformly by the stirring blade 104.

S7: and opening a foamed asphalt outlet valve, and allowing the fluid discharged from the stirring kettle 1 to enter a main foam spraying pipeline 3 to form foamed asphalt in the pressure loss process and enter a stirring cylinder.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a preparation foamed asphalt's decompression formula stirred tank, its characterized in that, includes stirred tank (1), weighing platform (2) and main pipeline (3) of spouting the foam, stirred tank (1) is including the cauldron body (101), motor (102), (mixing) shaft (103), stirring vane (104) and weighing support (105), it is in to weigh support (105) equipment the outside of the cauldron body (101), motor (102) set up the top at the cauldron body (101), stirring shaft (103) set up inside the cauldron body (101), just stirring shaft (103) with the main shaft of motor (102) is connected, stirring vane (104) set up the bottom at stirring shaft (103), the top of the cauldron body (101) still is equipped with pitch import pipe (106), water import pipe (107), compressed gas import pipe (108) and additive import pipe (109), pitch import pipe (106), Gate valves (110) are arranged on the water inlet pipe (107), the compressed gas inlet pipe (108) and the additive inlet pipe (109), and a foamed asphalt outlet valve is further arranged at the bottom of the kettle body (101).

2. The decompression type stirring kettle for preparing foamed asphalt according to claim 1, wherein: the weighing platform (2) comprises a weighing support (201) and weighing scales (202), the weighing scales (202) are respectively arranged at the bottom of the weighing support (105), and the bottom of each weighing scale (202) is connected with the weighing support (201).

3. The decompression type stirring kettle for preparing foamed asphalt according to claim 1, wherein: spout foam trunk line (3) and set up the bottom of foam pitch outlet valve, the bottom of spouting foam trunk line (3) still is equipped with a plurality of spray pipes (301).