CN211616114U

CN211616114U - A hybrid system for ardealite

Info

Publication number: CN211616114U
Application number: CN202020010397.3U
Authority: CN
Inventors: 冯波; 冯茂华; 祁龙华; 徐自元
Original assignee: Hubei Yiqian Technology Co ltd
Current assignee: Hubei Yiqian Technology Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-10-02
Anticipated expiration: 2030-01-03

Abstract

The utility model provides a hybrid system for ardealite, including mixing drum and the agitator motor of setting at the mixing drum top, agitator motor's output is connected with the first stirring shaft that extends to in the mixing drum, and the mixing drum top is equipped with the charge door, the bottom of mixing drum is equipped with the toper row hopper, and toper row hopper lower extreme is equipped with the bin outlet, is equipped with the relief valve on the bin outlet, is equipped with two second (mixing) shafts in the mixing drum, and first (mixing) shaft passes through drive mechanism and is connected with the second stirring shaft, is equipped with helical blade on first (mixing) shaft and the second (mixing) shaft, and the scraper blade is connected through the head rod to the lower extreme of first (mixing) shaft, scraper blade and. The system realizes the full mixing of the phosphogypsum and the modifier, and simultaneously prevents the phosphogypsum from adhering to a mixing device to form a scale layer.

Description

A hybrid system for ardealite

Technical Field

The utility model belongs to ardealite production facility field, in particular to a hybrid system for ardealite.

Background

With the rapid development of phosphate fertilizer industry in China, the discharge amount of phosphogypsum is rapidly increased and exceeds 7000 million tons in year, the phosphogypsum is industrial solid waste discharged in the process of producing wet-process phosphoric acid by a sulfuric acid method in phosphorus chemical enterprises, and the stacking of the phosphogypsum not only occupies a large amount of land and capital, but also can pollute underground water, surface water and atmospheric environment. The cement retarder is prepared from the industrial solid waste phosphogypsum, so that the utilization rate of the waste is improved, the influence of the waste on the ecological environment is reduced, the cultivated land occupied by stacking the waste is reduced, the resources are saved, and the production cost is reduced.

The method for preparing the cement retarder from the modified phosphogypsum is mainly used in the market at present and is commonly called dry mixing modification, the calcium oxide and the phosphogypsum are dry mixed and stirred according to a certain proportion to obtain a product, and the product can be used as the cement retarder instead of natural gypsum after aging and drying. CN207227291U discloses a device for preparing purification type phosphogypsum cement retarder, which comprises a device body, the inside of the device body is provided with a reaction chamber, the top end surface of the reaction chamber is provided with a feed pipe, the middle part of the feed pipe is provided with a first valve, one side of the feed pipe is provided with a drive motor, one end of the drive motor is provided with a transmission shaft, the surface of the transmission shaft is provided with stirring blades, one side of the drive motor is provided with a modifier conveying pipeline, the middle part of the modifier conveying pipeline is provided with a second valve, the bottom end of the reaction chamber is provided with a discharge hole, and the middle part of the discharge hole is provided with a third valve.

The device realizes modification and mixing of the phosphogypsum, but the phosphogypsum has high water content and strong thixotropy, so that the phosphogypsum is attached with water and separated out in the mixing process, the phosphogypsum is agglomerated into blocks and a harder scale layer is agglomerated on the wall of the mixer, the cleaning is difficult, and the next process operation is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that a hybrid system for ardealite is provided, realize the intensive mixing of ardealite and modifier, prevent simultaneously that the ardealite adhesion from forming the dirt layer on mixing arrangement.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a hybrid system for ardealite, includes the mixing drum and sets up the agitator motor at the mixing drum top, agitator motor's output and the first agitator shaft that extends to in the mixing drum are connected, and the mixing drum top is equipped with the charge door, the bottom of mixing drum is equipped with the toper and arranges hopper, and toper row hopper lower extreme is equipped with the bin outlet, is equipped with the relief valve on the bin outlet, is equipped with two second (mixing) shafts in the mixing drum, and first (mixing) shaft passes through drive mechanism and is connected with the second agitator shaft, is equipped with helical blade on first (mixing) shaft and the second (mixing) shaft, and the scraper blade is connected through head rod to the lower extreme of first (mixing).

In a preferable scheme, the transmission mechanism comprises a driving gear arranged on the first stirring shaft, and a driven gear meshed with the driving gear is arranged on the second stirring shaft.

In the preferred scheme, the lower end of the first stirring shaft is connected with a bottom scraper blade through a second connecting rod, and the bottom scraper blade is attached to a conical discharge hopper.

In the preferred scheme, the number of the charging openings is two, the device further comprises an ardealite hopper and an additive hopper, metering reamers are arranged below the ardealite hopper and the additive hopper, and discharge openings of the metering reamers are connected with the charging openings.

In a preferred scheme, the mixing cylinder is connected with the dust remover through an exhaust pipe.

The utility model provides a hybrid system for ardealite, which drives the helical blade to rotate through the rotation of the first stirring shaft and the second stirring shaft in opposite directions, thereby realizing the up-and-down stirring of materials and improving the mixing efficiency; simultaneously, stir the material of mixing drum inner wall adhesion through setting up the scraper blade, prevent the scale deposit, influence later stage operation and reduce the clearance degree of difficulty.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a preferred structure of the present invention;

in the figure: the device comprises a mixing cylinder 1, a stirring motor 2, a first stirring shaft 3, a second stirring shaft 4, a helical blade 5, a first connecting rod 6, a scraper 7, a driving gear 8, a driven gear 9, a bottom scraper 10, a phosphogypsum hopper 11, an additive hopper 12, a metering reamer 13, an exhaust pipe 14, a dust remover 15, a second connecting rod 16, a charging opening 101, a conical discharge hopper 102 and a discharge opening 103.

Detailed Description

Example 1: as shown in figure 1, a mixing system for phosphogypsum comprises a mixing drum 1 and a stirring motor 2 arranged at the top of the mixing drum 1, wherein the stirring motor 2 is arranged at the top of the mixing drum 1 through a support, the output end of the stirring motor 2 is connected with a first stirring shaft 3 extending into the mixing drum 1, the top of the mixing drum 1 is provided with a feeding hole 101, the bottom of the mixing drum 1 is provided with a conical discharge hopper 102, the lower end of the conical discharge hopper 102 is provided with a discharge hole 103, the discharge hole 103 is provided with a discharge valve, two second stirring shafts 4 are arranged in the mixing drum 1, the first stirring shaft 3 is connected with the second stirring shafts 4 through a transmission mechanism, in the embodiment, the transmission mechanism comprises a driving gear 8 arranged on the first stirring shaft 3, the second stirring shafts 4 are provided with driven gears 9 meshed with the driving gear 8, and the driving gear 9 are meshed with the driving gear 8, the gear transmission can be replaced by a belt pulley and a belt, the first stirring shaft 3 and the second stirring shaft 4 are provided with helical blades 5, the lower end of the first stirring shaft 3 is connected with a scraper 7 through a connecting rod 6, and the scraper 7 is contacted with the inner wall of the mixing barrel 1.

When the device is used specifically, the phosphogypsum and the additive are added into the mixing cylinder 1 through the feeding hole 101, the stirring motor 2 drives the first stirring shaft 3 to rotate, the second stirring shaft 4 rotates in the direction opposite to the rotating direction of the first stirring shaft 3 under the transmission of the transmission mechanism, and the helical blades 5 are arranged on the first stirring shaft 3 and the second stirring shaft 4, so that materials are stirred and mixed up and down in the mixing cylinder 1, and the stirring efficiency is higher compared with that of a single shaft; in the process of stirring and mixing, the scraping plate 7 is tightly attached to the inner wall of the mixing barrel 1, so that materials adhered to the inner wall of the mixing barrel 1 can be scraped, and the ardealite is prevented from scaling on the barrel wall, and the later-stage cleaning difficulty is avoided. Through setting up toper discharge hopper 102, be favorable to the row of the material in mixing drum 1 to expect, prevent putty and arrange the unclean.

Preferably, the lower end of the first stirring shaft 3 is connected with the bottom scraper 10 through a second connecting rod 16, and the bottom scraper 10 is attached to the conical discharge hopper 102.

The material adhered to the bottom of the conical discharge hopper 102 is scraped by the bottom scraper 10, so that scaling is prevented, and discharging is facilitated.

Example 2: different from the embodiment 1, as shown in fig. 2, the number of the charging openings 101 is two, the phosphogypsum charging hopper comprises a phosphogypsum charging hopper 11 and an additive charging hopper 12, metering reamers 13 are respectively arranged below the phosphogypsum charging hopper 11 and the additive charging hopper 12, and the discharging openings of the two metering reamers 13 are respectively connected with one charging opening 101.

By increasing the number of the feeding ports 101 and the metering reamers 13, simultaneous quantitative feeding of the phosphogypsum and the additive can be realized, and the mixing efficiency can be improved.

The mixing drum 1 is connected to a dust collector 15 via an exhaust pipe 14. In this embodiment, the dust remover 15 is a bag type dust remover, and by arranging the dust remover 15, the overflow of dust in the mixing process can be effectively reduced, and the dust is discharged after being treated by the dust remover 15, so that the environmental pollution is prevented.

Claims

1. The utility model provides a hybrid system for ardealite, includes mixing drum (1) and agitator motor (2) of setting at mixing drum (1) top, the output of agitator motor (2) is connected with first (mixing) shaft (3) that extend to in mixing drum (1), and mixing drum (1) top is equipped with charge door (101), its characterized in that: the bottom of mixing drum (1) is equipped with toper discharge hopper (102), toper discharge hopper (102) lower extreme is equipped with bin outlet (103), be equipped with the relief valve on bin outlet (103), be equipped with two second (mixing) shaft (4) in mixing drum (1), first (mixing) shaft (3) are connected with second (mixing) shaft (4) through drive mechanism, be equipped with helical blade (5) on first (mixing) shaft (3) and second (mixing) shaft (4), scraper blade (7) is connected through head rod (6) to the lower extreme of first (mixing) shaft (3), scraper blade (7) and mixing drum (1) inner wall contact.

2. A mixing system for phosphogypsum according to claim 1, characterized in that: the transmission mechanism comprises a driving gear (8) arranged on the first stirring shaft (3), and a driven gear (9) meshed with the driving gear (8) is arranged on the second stirring shaft (4).

3. A mixing system for phosphogypsum according to claim 1, characterized in that: the lower end of the first stirring shaft (3) is connected with a bottom scraper (10) through a second connecting rod (16), and the bottom scraper (10) is attached to a conical discharge hopper (102).

4. A mixing system for phosphogypsum according to claim 1, characterized in that: the number of charge door (101) is two, still includes ardealite hopper (11) and additive hopper (12), and ardealite hopper (11) and additive hopper (12) below all are equipped with measurement reamer (13), and the discharge gate and the charge door (101) of measurement reamer (13) are connected.

5. A mixing system for phosphogypsum according to claim 1, characterized in that: the mixing cylinder (1) is connected with a dust remover (15) through an exhaust pipe (14).