CN218753653U

CN218753653U - Pressure-equalizing batching system

Info

Publication number: CN218753653U
Application number: CN202223074020.2U
Authority: CN
Inventors: 赵强; 于文剑; 赵黄经; 许志强; 田有良; 张金星
Original assignee: Mining Environmental Protection Technology Shanghai Co ltd; Inner Mongolia Baoyi Environmental Protection New Material Co ltd
Current assignee: Mining Environmental Protection Technology Shanghai Co ltd; Inner Mongolia Baoyi Environmental Protection New Material Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-28
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a voltage-sharing batching system, which comprises a feeding pipe, a steel slag bin, a weighing bin, a screw conveyer and a raw material prewashing device; the advantages are that: the gas existing in the weighing bin is discharged through the exhaust pipe, the gas after pressure relief is sent into the steel slag bin, the gas is discharged after further dust settling treatment through the dust remover, and the problem of unsmooth feeding of a conveying pipeline caused by the pressure build-up of the weighing bin is solved under the cooperation of the screw conveyor; the exhaust pipe reduces the pressure in the weighing bin, solves the problem of inaccurate weighing caused by air pressure, and ensures accurate metering of steel slag ingredients; under the effect of dust remover, carry out the dust fall with the raise dust in the slag storehouse and handle, carry out the pressure release to the inside in slag storehouse, guarantee pneumatic conveyor's transport performance, under dust remover and pneumatic conveyor's cooperation, carry the slag to the slag storehouse in, realized the environmental protection operation of accurate batching of slag, process no raise dust and reduced artifical reinforced intensity of labour.

Description

Pressure-equalizing batching system

The technical field is as follows:

the utility model relates to a slag retrieval and utilization technical field, concretely relates to voltage-sharing feed proportioning system.

Background art:

the steel slag is a byproduct generated in the steel-making process, the steel slag contains various oxides and salts generated by the reaction of the oxides and a flux, in order to fully recycle the steel slag and reduce secondary pollution, the publication number is CN 111558606A-a hydrometallurgy multistage reaction and separation system based on carbon dioxide, the system discloses a system for preparing high-purity calcium carbonate by the steel slag, and the system comprises: a raw material pre-washing device, a reaction device, a multi-stage solid-liquid separation device and a third product preparation device.

Can realize the slag miropowder in the raw materials prewashing device, organic reagent, water etc. need add according to certain ratio, for the ratio of guaranteeing each batching in the raw materials prewashing device is stable, need one set of feed proportioning system, present feed proportioning system includes the slag storehouse, the storehouse of weighing, the slag miropowder is saved in the slag storehouse in earlier stage, the export in slag storehouse and the entry pipeline connection in the storehouse of weighing, after weighing as required through the storehouse of weighing, mix with other batching, the technical problem who exists at present is: 1. air is mixed in the material, so that the interior of the weighing bin is easy to choke when the weighing bin runs for a long time, and once the air is choked, the material is not smoothly fed in a pipeline between the steel slag bin and the weighing bin, the normal flow of the material is influenced, and the dredging is inconvenient; 2. the material weighing is inaccurate due to the large air pressure in the weighing bin, and the normal proportion of organic reagents, water and the like is influenced, so that the utilization rate of the steel slag and the quality of a product are influenced; 3. the granularity of the steel slag micro powder is small, at present, the steel slag is poured into a steel slag bin manually, so that the labor intensity is high in the feeding process, the problem of dust emission exists, and the environmental sanitation around the steel slag micro powder is influenced.

The utility model has the following contents:

an object of the utility model is to provide a voltage-sharing feed proportioning system.

The utility model discloses by following technical scheme implement: the pressure-equalizing batching system comprises a feeding pipe, a steel slag bin, a weighing bin, a screw conveyor and a raw material prewashing device;

a first sealing cover is fixed at the top end of the steel slag bin, a steel slag inlet is formed in the first sealing cover and is communicated with the feeding pipe through a pneumatic conveying device, an outlet of the steel slag bin is connected with an inlet pipeline of the weighing bin through the spiral conveyor, an outlet of the weighing bin is communicated with a steel slag inlet pipeline of the raw material prewashing device, and an outlet of the raw material prewashing device is communicated with an inlet pipeline of the reaction device;

a second sealing cover is fixed at the top end of the weighing bin, an exhaust port is formed in the top of the weighing bin, and the exhaust port is communicated with the interior of the steel slag bin through an exhaust pipe;

the first sealing cover is further provided with a dust removal port, and the dust removal port is communicated with an inlet pipeline of the dust remover through a fan.

Further, still including agitator tank, water add pipeline and organic reagent and add the pipeline, water add the pipeline with organic reagent adds the pipeline respectively with the inside intercommunication of agitator tank, the export of agitator tank through the measuring pump with the organic reagent inlet pipeline intercommunication of raw materials prewashing device.

Further, a liquid level meter is arranged on the stirring tank.

Furthermore, an electromagnetic valve is arranged on the exhaust pipe.

Furthermore, a pressure gauge is installed on the weighing bin.

The utility model has the advantages that:

1. the gas existing in the weighing bin is discharged through the exhaust pipe, the gas after pressure relief is sent into the steel slag bin, the gas is discharged after further dust settling treatment through the dust remover, and the problem of unsmooth feeding of a conveying pipeline caused by the pressure build-up of the weighing bin is solved under the cooperation of the screw conveyor and the cooperation of the screw conveyor;

2. the exhaust pipe reduces the pressure in the weighing bin, solves the problem of inaccurate weighing caused by air pressure, and ensures accurate metering of steel slag ingredients;

3. under the effect of dust remover, carry out the dust fall with the raise dust in the slag storehouse and handle, carry out the pressure release to the inside in slag storehouse simultaneously, guarantee pneumatic conveyor's transport performance, under dust remover and pneumatic conveyor's cooperation, carry the slag to the slag storehouse in, realized the environmental protection operation of accurate batching of slag, process no raise dust and reduce the reinforced intensity of labour of manual work, guaranteed staff's personal health.

Description of the 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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 view of the structure of the utility model;

in the figure: the device comprises a steel slag bin 1, a first sealing cover 2, a pneumatic conveying device 3, a feeding pipe 4, a fan 5, a dust remover 6, a screw conveyer 7, a weighing bin 8, a raw material prewashing device 9, a reaction device 11, a second sealing cover 12, an exhaust pipe 13, an electromagnetic valve 14, a pressure gauge 15, a stirring tank 16, a water adding pipeline 17, an organic reagent adding pipeline 18, a liquid level meter 19 and a metering pump 20.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in fig. 1, the pressure-equalizing batching system comprises a feeding pipe 4, a steel slag bin 1, a weighing bin 8, a screw conveyer 7 and a raw material prewashing device 9;

the top in slag storehouse 1 is fixed with first sealed lid 2, set up the slag entry on the first sealed lid 2, the slag entry passes through air conveying device 3 and inlet pipe 4 intercommunication, carry slag to slag storehouse 1 in through inlet pipe 4 and air conveying device 3, the dust removal mouth has still been seted up to first sealed lid 2, the dust removal mouth passes through fan 5 and dust remover 6's entry pipeline intercommunication, under dust remover 6's effect, carry out the dust fall with the raise dust in slag storehouse 1 and handle, carry out the pressure release to the inside in slag storehouse 1 simultaneously, guarantee air conveying's transport performance, under dust remover 6 and air conveying device 3's cooperation, carry slag to in the slag storehouse 1, accurate batching of slag has been realized, the environmental protection operation of process dustless and reduce the reinforced intensity of labour of manpower, the environmental sanitation around having guaranteed simultaneously, staff's personal health has been guaranteed.

The export in slag storehouse 1 is through the entry pipeline connection of screw conveyer 7 with storehouse 8 of weighing, storehouse 8 of weighing is weighing sensor and leg joint are passed through to the both sides of the storehouse body promptly, the entry and the exit in storehouse 8 of weighing set up the bellows, in order to guarantee the fluctuation in storehouse 8 of weighing, the export in storehouse 8 of weighing and the slag entry pipeline intercommunication of raw materials prewashing device 9, the export of raw materials prewashing device 9 and the entry pipeline intercommunication of reaction unit 11, the slag is weighed through storehouse 8, send to subsequent raw materials prewashing device 9 in according to certain weight and mix with quantitative organic reagent, send to reaction unit behind the misce bene and carry out subsequent carbonization reaction.

The top of weighing bin 8 is fixed with the sealed lid 12 of second, the top of weighing bin 8 is equipped with the gas vent, the gas vent passes through blast pipe 13 and the inside intercommunication in slag storehouse 1, be equipped with solenoid valve 14 on blast pipe 13, solenoid valve 14's effect is when adding the slag miropowder in to the slag storehouse, close solenoid valve 14, install manometer 15 on the weighing bin 8, pressure in the weighing bin 8 exceeds standard, open solenoid valve 14, carry out the pressure release in the weighing bin 8, discharge the gas that exists in the weighing bin 8 through blast pipe 13, gas after the pressure release is sent to in slag storehouse 1 simultaneously, discharge after the further dust fall processing of this part of gas through dust remover 6, under screw conveyor 7's cooperation, under screw conveyor 7 and pneumatic conveyor's cooperation, can increase the mobile transport of material, the not smooth problem of the pay-off of material has been reduced, the inaccurate conveying line pay-off problem that the storehouse 8 was suppressed pressure and is caused has been solved, the pressure has been reduced to the blast pipe 13 simultaneously and the pressure in weighing bin 8 has been reduced, the weighing problem that has been solved because the atmospheric pressure caused, the accurate measurement of the batching of slag has been guaranteed.

Still add pipeline 17 and organic reagent including agitator tank 16, water and add pipeline 18, water adds pipeline 17 and organic reagent and adds pipeline 18 respectively with agitator tank 16's inside intercommunication, through the setting that water added pipeline 17 and organic reagent added pipeline 18, carries out preliminary dilution to organic reagent through water for organic reagent reaches the concentration, carry out abundant stirring and mix in agitator tank 16, the export of agitator tank 16 passes through the organic reagent inlet pipeline intercommunication of measuring pump 20 with raw materials prewashing device 9, is equipped with level gauge 19 on agitator tank 16, under the effect of measuring pump 20, carries out abundant mixing with slag miropowder and water in will diluting organic reagent squeezes into raw materials prewashing device 9.

The specific operation process of the embodiment is as follows:

conveying the steel slag micro powder into a closed steel slag bin 1 under the action of a pneumatic conveying device 3, and simultaneously carrying out dust falling treatment on the raised dust in the steel slag bin 1 under the action of a dust remover 6;

conveying steel slag to a weighing bin 8 through a screw conveyor 7 at an outlet of a steel slag bin 1, detecting a pressure value in the weighing bin 8 through a pressure gauge 15, opening an electromagnetic valve 14 on an exhaust pipe 13 when the pressure value exceeds a standard value range of a working condition, discharging high-pressure gas in the weighing bin 8 into the steel slag bin 1 through the exhaust pipe 13, decompressing the weighing bin 8, periodically opening the electromagnetic valve 14 on the exhaust pipe 13, and further treating and discharging the decompressed gas through a dust remover 6;

and a certain amount of steel slag is weighed by the weighing bin 8 and sent to the raw material prewashing device 9, the steel slag and the diluted organic reagent are fully mixed in the raw material prewashing device 9, and the mixed material is sent to the reaction device 11 for carbonization reaction.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pressure-equalizing batching system is characterized by comprising a feeding pipe, a steel slag bin, a weighing bin, a screw conveyor and a raw material prewashing device;

2. The pressure equalizing batching system according to claim 1, further comprising a stirring tank, a water adding pipeline and an organic reagent adding pipeline, wherein the water adding pipeline and the organic reagent adding pipeline are respectively communicated with the inside of the stirring tank, and the outlet of the stirring tank is communicated with the organic reagent inlet pipeline of the raw material prewashing device through a metering pump.

3. The pressure equalizing batching system according to claim 2, wherein said agitator tank is provided with a level gauge.

4. The pressure equalizing batching system of claim 1, wherein the exhaust pipe is provided with an electromagnetic valve.

5. The pressure equalizing and batching system according to claim 1, wherein said weighing bin is equipped with a pressure gauge.