CN213326745U

CN213326745U - System for clear away debris in phosphate concentrate pulp

Info

Publication number: CN213326745U
Application number: CN202021660121.6U
Authority: CN
Inventors: 阮怀贵; 王俊; 王东波; 齐宇
Original assignee: Hubei Liuguo Chemical Industry Co ltd
Current assignee: Hubei Liuguo Chemical Industry Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-06-01
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a clear away system of debris in concentrate pulp of phosphorus, the system includes the defoaming bucket, defoaming bucket top is provided with concentrate pulp of phosphorus import, and defoaming bucket bottom both sides are provided with first discharging pipe and second discharging pipe respectively, first discharging pipe is linked together with the slagging-off machine, the slagging-off machine bottom is provided with the discharge gate, and second discharging pipe all communicates with the discharge gate and is provided with concentrate pulp of phosphorus ejection of compact house steward. The utility model discloses can effectually clear away debris in the concentrate pulp of phosphorus, convenient to use.

Description

System for clear away debris in phosphate concentrate pulp

Technical Field

The utility model relates to an ammonium phosphate production technical field, concretely relates to clear away system of debris in concentrate slurry of phosphorus.

Background

Phosphate concentrateThe phosphate ore is extracted from the phosphate ore mine, and the grade P of phosphate concentrate is selected by mineral separation production₂O₅Not less than 30% of concentrate pulp, pumping the concentrate pulp to a phosphoric acid reaction tank by a pump to fully react with concentrated sulfuric acid to produce phosphoric acid, and reacting the obtained phosphoric acid with liquid ammonia to obtain products such as ammonium phosphate and the like.

The quality of the phosphoric acid determines the quality of the product, and the key of determining the acidity of the phosphoric acid is that whether the feeding amount of the phosphate concentrate in a phosphoric acid reaction tank is uniform and whether the phosphate concentrate can stably react with the evenly fed sulfuric acid in the production process of the phosphoric acid; the key influencing the balanced feeding of the phosphate concentrate is whether impurities in the phosphate concentrate pulp can be removed before being pumped into the phosphoric acid reaction tank, and the key of the whole production is whether a pump and a pipeline for conveying the phosphate concentrate pulp are blocked.

In the mining process of the mine, firstly, the roadway is required to be supported by wood, and the wood is corroded for a long time and is mixed into the mined ore inevitably; secondly, the ore body needs to be blasted by emulsion explosive, the ore body can be conveyed out of the pithead after being crashed and broken, and the blasting operation of the ore body uses detonating cords, blasting caps, fuse wires and the like for detonation, wherein the detonating cords are detonation materials made of plastics with the outer diameter of 3.5mm and the inner diameter of 1.5 mm. The material is similar to a long thin rope in appearance, waste products with different lengths are mixed in ores after being detonated, the waste products are impacted by ore grinding media in a mineral separation mill to form flaky impurities with the lengths of 3-5 cm, the flaky impurities are similar to those of agaric after being soaked in water, the blade cavities and conveying pipelines of a conveying pump are easily blocked, the amount of the impurities is large, and after the transformation, the amount of separated impurities is weighed by about 1.5 tons every month, and the production of phosphoric acid is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a system for clear away debris in the fine phosphate pulp to the problem that exists among the prior art.

In order to realize the technical purpose, the utility model discloses a following technical scheme:

the utility model provides a clear away system of debris in concentrate slurry of phosphorus, the system includes the defoaming bucket, defoaming bucket top is provided with concentrate slurry of phosphorus import, and defoaming bucket bottom both sides are provided with first discharging pipe and second discharging pipe respectively, first discharging pipe is linked together with the slagging-off machine, the slagging-off machine bottom is provided with the discharge gate, and second discharging pipe and discharge gate all communicate and are provided with concentrate slurry of phosphorus ejection of compact house steward.

Compared with the prior art, the utility model discloses following beneficial effect has: after the slag is removed by the slag remover, the pump and the delivery pipeline which enter the phosphoric acid have no blockage phenomenon, the production time is increased by 63 hours each month because the blockage problem does not need to be treated, and excessive SO in the dilute phosphoric acid₃The concentration is reduced by 5-10 g/L.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

A slag remover for removing impurities in phosphate concentrate pulp comprises an inner barrel body with filter holes circumferentially, the inner barrel body is communicated with a phosphate concentrate pulp feed inlet, an outer barrel body is arranged outside the inner barrel body, a discharge outlet is arranged at the bottom of the outer barrel body, a first stirring shaft is arranged in the inner barrel body, a first stirring blade is fixedly arranged on the first stirring shaft, the first stirring shaft penetrates through the top of the inner barrel body and the top of the outer barrel body and is fixedly connected with a motor, a driving gear is fixedly arranged on the first stirring shaft, driven gears are arranged at two ends of the driving gear in a meshed mode, a second stirring shaft is fixedly arranged on a driven gear shaft, a second stirring blade is fixedly arranged on the second stirring shaft, the second stirring shaft and the second stirring blade are positioned in an interval gap between the outer barrel body and the inner barrel body, and a filter screen is fixedly arranged below the bottom of the second stirring, the discharge port is positioned on the side wall of the outer cylinder below the filter screen.

The first stirring blades and the second stirring blades are arranged in a staggered mode.

The utility model discloses in, interior barrel bottom runs through outer barrel is provided with first slag notch, outer barrel bottom lateral wall is provided with the second slag notch.

Preferably, the diameter of the meshes of the filter screen is smaller than that of the filter holes of the inner cylinder body.

The utility model discloses in, support fixed mounting is passed through at interior barrel top on the outer barrel inner wall, the support overcoat is equipped with the spring, interior barrel bottom fixed mounting has vibrating motor, vibrating motor is located the motor incasement portion.

As a further improvement of the utility model, outer barrel bottom still fixed mounting has the bracing piece, bracing piece fixed mounting is on the workstation, workstation top fixed mounting drives actuating cylinder, drive fixed mounting has the push pedal on actuating cylinder's the output shaft, the push pedal passes through connecting rod fixed mounting and has the mounting panel, the mounting panel is located filter screen below, fixed mounting has a plurality of tops to be conical ejector pin on the mounting panel.

Furthermore, a sealing ring is arranged at the joint of the connecting rod and the outer cylinder body.

The beneficial effect of adopting the further scheme is that: (1) the utility model discloses during the use, drive first (mixing) shaft and first stirring vane rotation through the motor, can carry out abundant stirring to the inside concentrated phosphorite pulp that gets into the inner cylinder body, make the debris that its inside contains disperse and come, concentrated phosphorite pulp gets into the urceolus internally by filtering the hole, then under the rotation of second (mixing) shaft and second stirring vane, concentrated phosphorite pulp after the first filtration obtains further dispersion again, and after the filtration of filter screen, collect by the discharge gate, can effectually clear away the debris in the concentrated phosphorite pulp, convenient to use; (2) the bottom of the inner cylinder body is provided with the vibration motor, so that impurities possibly blocked in the filter holes can fall under the vibration effect, and the filter holes are prevented from being blocked by the impurities; (3) the top of the ejector rod is conical, so that the ejector rod can move towards the filter screen under the action of the driving cylinder, impurities possibly blocked in the filter screen are removed, the filter screen is prevented from being blocked, and the filter effect and the filter efficiency are influenced.

Drawings

FIG. 1 is a schematic diagram of a conventional system before deslagging;

FIG. 2 is a schematic structural view of a system including a slag remover according to the present invention;

FIG. 3 is a schematic structural view of the slag remover of the present invention;

in the drawings, the names of the components represented by the respective reference numerals are listed as follows:

1. inner cylinder, 2, outer cylinder, 3, the discharge gate, 4, first (mixing) shaft, 5, first stirring vane, 6, a motor, 7, the driving gear, 8, driven gear, 9, the second (mixing) shaft, 10, the second stirring vane, 11, the filter screen, 12, first slag notch, 13, the second slag notch, 14, a support, 15, a spring, 16, vibrating motor, 17, the motor case, 18, the bracing piece, 19, the workstation, 20, drive actuating cylinder, 21, the push pedal, 22, the connecting rod, 23, the ejector pin, 24, the mounting panel, 25, defoaming bucket, 26, first discharging pipe, 27, the second discharging pipe, 28, discharge header.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the conventional deslagging process shown in fig. 1, since no deslagging machine is arranged, the pipeline is seriously blocked in the phosphoric acid production process, and the production is required to be stopped for 63 hours each month due to blockage accidents, so that the production of the phosphoric acid is seriously influenced.

As shown in fig. 2, the utility model provides a system for removing impurities in phosphate concentrate slurry. Wherein, this system includes defoaming bucket 25, and defoaming bucket 25 top is provided with the import of phosphorus concentrate pulp, and defoaming bucket 25 bottom both sides are provided with first discharging pipe 26 and second discharging pipe 27 respectively, and first discharging pipe 26 is linked together with the slagging-off machine, and the slagging-off machine bottom is provided with discharge gate 3, and second discharging pipe 27 all communicates with discharge gate 3 and is provided with phosphorus concentrate pulp discharge header 28.

Through the arrangement of the first discharge pipe 26 and the second discharge pipe 27, the phosphate concentrate pulp contains two discharge directions, namely when impurities are contained, the phosphate concentrate pulp enters the inside of the slag remover through the first discharge pipe 26 for filtration; if the fine phosphorus ore pulp contains less impurities or does not contain impurities basically, the fine phosphorus ore pulp can enter the fine phosphorus ore pulp discharging main pipe 28 from the second discharging pipe 27 for collection, so that the production efficiency is improved, and the defoaming barrel 25 can remove bubbles contained in the fine phosphorus ore pulp and further disperse impurities.

After deslagging, the liquid enters a pump of phosphoric acidNo blockage phenomenon exists in a conveying pipeline, the production time is increased by 63 hours because the blockage problem does not need to be treated every month, and excessive SO in the dilute phosphoric acid₃The concentration is reduced by 5-10 g/L.

Wherein, the slag remover is shown in figure 3, and comprises an inner cylinder body 1 with filter holes arranged along the circumference, the inner cylinder body 1 is communicated with a phosphate concentrate slurry inlet, an outer cylinder body 2 is arranged outside the inner cylinder body 1, a discharge hole 3 is arranged at the bottom of the outer cylinder body 2, a first stirring shaft 4 is arranged in the inner cylinder body 1, a first stirring blade 5 is fixedly arranged on the first stirring shaft 4, the first stirring shaft 4 penetrates through the top parts of the inner cylinder body 1 and the outer cylinder body 2 and is fixedly connected with a motor 6, a driving gear 7 is fixedly arranged on the first stirring shaft 4, driven gears 8 are meshed at the two ends of the driving gear 7, a second stirring shaft 9 is fixedly arranged on the shaft of the driven gear 8, a second stirring blade 10 is fixedly arranged on the second stirring shaft 9, the second stirring shaft 9 and the second stirring blade 10 are positioned in an interval gap between the outer cylinder body 2 and the inner cylinder body 1, a filter screen, the discharge port 3 is positioned on the side wall of the outer cylinder 2 below the filter screen 11, wherein the diameter of the mesh of the filter screen 11 is smaller than that of the filter hole of the inner cylinder 1

The utility model discloses during the use, it is rotatory with first stirring vane 5 to drive first (mixing) shaft 4 through motor 6, can carry out abundant stirring to the inside concentrated phosphorus ore pulp of barrel 1 in getting into, make its inside debris dispersion that contains come, concentrated phosphorus ore pulp enters into in outer barrel 2 by crossing the filtration pore, then under second (mixing) shaft 9 and second stirring vane 10's rotation again, concentrated phosphorus ore pulp after first filtration obtains further dispersion once more, and after the filtration through filter screen 11, collect by discharge gate 3, can effectual clear concentrated phosphorus ore pulp in debris, high durability and convenient use.

Wherein, the first stirring blades 5 and the second stirring blades 10 are arranged in a staggered manner.

The utility model discloses in, 1 bottom of interior barrel is run through outer barrel 2 and is provided with first slag notch 12, and 2 bottom lateral walls of outer barrel are provided with second slag notch 13, and second slag notch 13 is located the top of filter screen 11, then by the debris after the filtration of the filtration pore on interior barrel 1 by first slag notch 12 discharge, the debris after being filtered by filter screen 11 is removed slag notch 13 by the second and is discharged.

The utility model discloses in, 14 fixed mounting are passed through on 2 inner walls of outer barrel at the 1 top of interior barrel through support, and 14 overcoat of support is equipped with

spring

15, and 1 bottom fixed mounting of interior barrel has vibrating motor 16, and inside vibrating motor 16 was located motor case 17, enabled probably to block up the impurity in filtering the hole and dropped under the effect of vibration, prevented that debris from blockking up filtering the hole, and spring 15's setting then has the effect of buffering.

As the utility model discloses a further improvement, 2 bottom still fixed mounting of outer barrel have

bracing piece

18, 18 fixed mounting of bracing piece on

workstation

19, 19 top fixed mounting of workstation have drive actuating cylinder 20, drive fixed mounting on the output shaft of actuating cylinder 20 and have push pedal 21, and push pedal 21 has mounting panel 24 through connecting rod 22 fixed mounting, and mounting panel 24 is located filter screen 11 below, and fixed mounting has a plurality of tops to be conical ejector pin 23 on the mounting panel 24. A sealing ring is arranged at the joint of the connecting rod 22 and the outer cylinder body 2.

Through being provided with the ejector pin 23 that the top is toper, then ejector pin 23 can remove to filter screen 11 direction under the effect that drives actuating cylinder 20, will probably block up the impurity clearance in filter screen 11, prevents to block up filter screen 11, influences filter effect and filtration efficiency.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A system for removing impurities in concentrate slurry of phosphorus is characterized in that: the system includes defoaming bucket (25), defoaming bucket (25) top is provided with the import of phosphorus concentrate pulp, and defoaming bucket (25) bottom both sides are provided with first discharging pipe (26) and second discharging pipe (27) respectively, first discharging pipe (26) are linked together with the slagging-off machine, the slagging-off machine bottom is provided with discharge gate (3), and second discharging pipe (27) all communicate with discharge gate (3) and are provided with phosphorus concentrate pulp discharge header pipe (28).

2. The system for removing rejects from a slurry of phosphate concentrate according to claim 1, further comprising: the slag remover comprises an inner barrel (1) with filter holes circumferentially arranged, the inner barrel (1) is communicated with a phosphate concentrate pulp feed inlet, an outer barrel (2) is arranged outside the inner barrel (1), a discharge hole (3) is formed in the bottom of the outer barrel (2), a first stirring shaft (4) is arranged in the inner barrel (1), a first stirring blade (5) is fixedly arranged on the first stirring shaft (4), the first stirring shaft (4) penetrates through the top of the inner barrel (1) and the top of the outer barrel (2) and is fixedly connected with a motor (6), a driving gear (7) is fixedly arranged on the first stirring shaft (4), driven gears (8) are arranged at the two ends of the driving gear (7) in a meshed manner, a second stirring shaft (9) is fixedly arranged on the shaft of the driven gears (8), and a second stirring blade (10) is fixedly arranged on the second stirring shaft (9), second (mixing) shaft (9) are located with second stirring vane (10) in the interval space between outer barrel (2) and interior barrel (1), second (mixing) shaft (9) and interior barrel (1) bottom below still fixed mounting have filter screen (11), discharge gate (3) are located on the outer barrel (2) lateral wall of filter screen (11) below.

3. The system for removing rejects from a slurry of phosphate concentrate according to claim 2, further comprising: the first stirring blades (5) and the second stirring blades (10) are arranged in a staggered mode.

4. The system for removing rejects from a slurry of phosphate concentrate according to claim 2, further comprising: interior barrel (1) bottom runs through outer barrel (2) are provided with first slag notch (12), outer barrel (2) bottom lateral wall is provided with second slag notch (13).

5. The system for removing rejects from a slurry of phosphate concentrate according to claim 2, further comprising: the diameter of the meshes of the filter screen (11) is smaller than that of the filter holes of the inner cylinder body (1).

6. The system for removing rejects from a slurry of phosphate concentrate according to claim 2, further comprising: interior barrel (1) top is in through support (14) fixed mounting on outer barrel (2) inner wall, support (14) overcoat is equipped with spring (15), interior barrel (1) bottom fixed mounting has vibrating motor (16), vibrating motor (16) are located inside motor case (17).

7. The system for removing rejects from a slurry of phosphate concentrate according to claim 2, further comprising: outer barrel (2) bottom still fixed mounting have bracing piece (18), bracing piece (18) fixed mounting is on workstation (19), workstation (19) top fixed mounting has drive actuating cylinder (20), fixed mounting has push pedal (21) on the output shaft of drive actuating cylinder (20), push pedal (21) have mounting panel (24) through connecting rod (22) fixed mounting, mounting panel (24) are located filter screen (11) below, fixed mounting has a plurality of tops to be conical ejector pin (23) on mounting panel (24).

8. The system for removing rejects from a slurry of phosphate concentrate according to claim 7, further comprising: and a sealing ring is arranged at the joint of the connecting rod (22) and the outer cylinder body (2).