CN203777799U - Coal slime water pressurized filtering device with dosing device - Google Patents

Coal slime water pressurized filtering device with dosing device Download PDF

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Publication number
CN203777799U
CN203777799U CN201420194543.7U CN201420194543U CN203777799U CN 203777799 U CN203777799 U CN 203777799U CN 201420194543 U CN201420194543 U CN 201420194543U CN 203777799 U CN203777799 U CN 203777799U
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CN
China
Prior art keywords
material bucket
press
filter
pressurized
adds
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420194543.7U
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Chinese (zh)
Inventor
郑珊珊
卫桢
梁辉
刘明
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Wuhan Design and Research Institute of China Coal Technology and Engineering Group
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Wuhan Design and Research Institute of China Coal Technology and Engineering Group
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Priority to CN201420194543.7U priority Critical patent/CN203777799U/en
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Publication of CN203777799U publication Critical patent/CN203777799U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a coal slime water pressurized filtering device with a dosing device. The pressurized filtering device comprises a concentrator, a pressurized feeding bucket, a pressurized filtering machine, a discharge cabin as well as a filter aid hopper, a screw rod pump and an automatic dosing device controller, wherein the lower part of the concentrator is connected with the pressurized feeding bucket through a slurry pump; the pressurized feeding bucket is connected with the pressurized filtering machine; the slag discharge hole of the pressurized filtering machine is connected with the discharge cabin; the slurry outlet of the pressurized filtering machine is connected with the slurry inlet of the filtering device; the filter aid hopper is used for adding a polymeric aluminum filter aid; the pressurized feeding bucket comprises a first pressurized feeding bucket and a second pressurized feeding bucket. The pressurized filtering device has the beneficial effects that as the polymeric aluminum filter aid is added into the pressurized feeding bucket through the filter aid hopper, the compression effect of water-coal-slurry is improved, the investment is saved, the control is convenient, the effect is remarkable, and moreover, on premise that the components of a conventional filter press are not changed, the coal slime treatment amount and the dehydration efficiency are greatly improved.

Description

A kind of black water pressure filter with chemicals dosing plant
Technical field
The utility model relates to coal slime dewatering technical field, relates in particular to a kind of black water pressure filter with chemicals dosing plant.
Background technology
Pressing filter is a kind of new and effective fine coal de-watering equipment, utilizes compressed air as filtered driving force, forms pressure reduction in filter medium both sides, makes material form filter cake filtering on disk, and take advantage of a situation blowing and scraper of recycling unloads filter cake down to discharge bin.Due to upper and lower two sealing discharging storehouse alternations, this equipment can continuous operation, treating capacity is large, product moisture is low, and in coal preparation plant, application is comparatively extensive.
The increase of the use of large-scale fully-mechanized mining equipment and the coal mining degree of depth sharply increases the fine fraction content in feed coal, be less than the superfine sized coal grain of 320 object content and often exceed 50%, be 160 object monofilament non-woven filter cloths and filter cloth of pressurizing filter adopts mesh conventionally, though therefore under the effect of filter cake this equipment be also difficult to reach the object of holding back superfine material.So, cause pressing filter pressure reduction to reduce, become the series of problems such as cake difficulty, the increase of filtrate solid content, product moisture rising, finally cause prolongation filter cycle, the reduction of coal slime treating capacity, product quality to decline, when serious, cause thin mud to gather, have to maintain at the cost of the environment carrying out continuously of coal preparation plant's production.
For further improving the working effect of pressing filter, can reduce filter cloth mesh size, but production practices prove, reduce mesh size and will extend greatly filter cycle, and filter cake thickness declines obviously, restrict the treating capacity of coal slime.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of black water pressure filter with chemicals dosing plant, solves the deficiencies in the prior art.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of black water pressure filter with chemicals dosing plant, comprises thickener, adds press-in material bucket, pressing filter, discharge bin; The edge of described thickener is provided with downflow weir, and the below of described downflow weir is provided with cyclic water tank, and the top of described thickener is provided with filter; The below of described thickener by slag stock pump with described in add press-in material bucket and be connected; Describedly add the discharging opening of press-in material bucket and the charging aperture of described pressing filter is connected; The slag notch of described pressing filter is connected with described discharge bin, and the grout outlet of described pressing filter is connected with the stock inlet of described filter; Also comprise filter aid hopper, screw pump, automatic medicine adding apparatus controller for adding aluminium polychloride filter aid; Described filter aid hopper by described screw pump with described in add press-in material bucket and be connected; Described automatic medicine adding apparatus controller comprises character of coal slurry detector and PID controller, and described character of coal slurry detector is for detection of described concentration and the granularity that adds coal slurry in press-in material bucket, and concentration and granularity signal are transferred to described PID controller; Described PID controller is according to the unlatching of screw pump described in described concentration and granularity signal controlling or close; The described press-in material bucket that adds comprises that first adds press-in material bucket and second and add press-in material bucket, and described first adds press-in material bucket and described second and add press-in material bucket and be in parallel and be connected; The described first upper port that adds press-in material bucket is connected with described thickener by the first magnetic valve, and the described first lower port that adds press-in material bucket is connected with the charging aperture of described pressing filter by the 3rd magnetic valve; The described second upper port that adds press-in material bucket is connected with described thickener by the second magnetic valve, and the described second lower port that adds press-in material bucket is connected with the charging aperture of described pressing filter by the 4th magnetic valve.
The beneficial effects of the utility model are: in press-in material bucket, add aluminium polychloride filter aid by filter aid hopper to adding, increase like this compression effectiveness of water-coal-slurry, the utility model investment is more economical, control is convenient, effect is more remarkable, and can not change under the prerequisite of original filter press parts, increase substantially coal slime treating capacity and dewatering efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that adds press-in material bucket of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of black water pressure filter with chemicals dosing plant, comprises thickener 1, adds press-in material bucket 2, pressing filter 3, discharge bin 4; The edge of described thickener 1 is provided with downflow weir 1.1, and the below of described downflow weir 1.1 is provided with cyclic water tank 1.2, and the top of described thickener 1 is provided with filter 1.3; The below of described thickener 1 by slag stock pump with described in add press-in material bucket 2 and be connected; The described discharging opening that adds press-in material bucket 2 is connected with the charging aperture of described pressing filter 3; The slag notch of described pressing filter 3 is connected with described discharge bin 4, and the grout outlet of described pressing filter 3 is connected with the stock inlet of described filter 1.3.
As shown in Figure 2, also comprise filter aid hopper 6, screw pump 7, the automatic medicine adding apparatus controller for adding aluminium polychloride filter aid; Described filter aid hopper 6 by described screw pump 7 with described in add press-in material bucket 2 and be connected; Described automatic medicine adding apparatus controller comprises character of coal slurry detector 8 and PID controller, and described character of coal slurry detector 8 is for detection of described concentration and the granularity that adds press-in material bucket 2 interior coal slurries, and concentration and granularity signal are transferred to described PID controller; Described PID controller is according to the unlatching of screw pump 7 described in described concentration and granularity signal controlling or close.Add after press-in material bucket 2 when coal slurry enters, by character of coal slurry detector 8, coal slurry sample is gathered, analyzed, analysis result input PID controller, the extent control chemical feeding quantity that PID controller control screw pump 7 is opened.
The described press-in material bucket 2 that adds comprises that first adds press-in material bucket 2.1 and second and add press-in material bucket 2.2, and described first adds press-in material bucket 2.1 and described second and add press-in material bucket 2.2 and be in parallel and be connected; The described first upper port that adds press-in material bucket 2.1 is connected with described thickener 1 by the first magnetic valve 5.1, and the described first lower port that adds press-in material bucket 2.1 is connected with the charging aperture of described pressing filter 3 by the 3rd magnetic valve 5.3; The described second upper port that adds press-in material bucket 2.2 is connected with described thickener 1 by the second magnetic valve 5.2, and the described second lower port that adds press-in material bucket 2.2 is connected with the charging aperture of described pressing filter 3 by the 4th magnetic valve 5.4.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (1)

1. the black water pressure filter with chemicals dosing plant, is characterized in that: comprise thickener (1), add press-in material bucket (2), pressing filter (3), discharge bin (4); The edge of described thickener (1) is provided with downflow weir (1.1), and the below of described downflow weir (1.1) is provided with cyclic water tank (1.2), and the top of described thickener (1) is provided with filter (1.3); The below of described thickener (1) by slag stock pump with described in add press-in material bucket (2) and be connected; The described discharging opening that adds press-in material bucket (2) is connected with the charging aperture of described pressing filter (3); The slag notch of described pressing filter (3) is connected with described discharge bin (4), and the grout outlet of described pressing filter (3) is connected with the stock inlet of described filter (1.3);
Also comprise filter aid hopper (6), screw pump (7), automatic medicine adding apparatus controller for adding aluminium polychloride filter aid; Described filter aid hopper (6) by described screw pump (7) with described in add press-in material bucket (2) and be connected; Described automatic medicine adding apparatus controller comprises character of coal slurry detector (8) and PID controller, described character of coal slurry detector (8) is for detection of described concentration and the granularity that adds the interior coal slurry of press-in material bucket (2), and concentration and granularity signal are transferred to described PID controller; Described PID controller is according to the unlatching of screw pump (7) described in described concentration and granularity signal controlling or close;
The described press-in material bucket (2) that adds comprises that first adds press-in material bucket (2.1) and second and add press-in material bucket (2.2), and described first adds press-in material bucket (2.1) and described second and add press-in material bucket (2.2) and be in parallel and be connected; The described first upper port that adds press-in material bucket (2.1) is connected with described thickener (1) by the first magnetic valve (5.1), and the described first lower port that adds press-in material bucket (2.1) is connected with the charging aperture of described pressing filter (3) by the 3rd magnetic valve (5.3); The described second upper port that adds press-in material bucket (2.2) is connected with described thickener (1) by the second magnetic valve (5.2), and the described second lower port that adds press-in material bucket (2.2) is connected with the charging aperture of described pressing filter (3) by the 4th magnetic valve (5.4).
CN201420194543.7U 2014-04-21 2014-04-21 Coal slime water pressurized filtering device with dosing device Expired - Fee Related CN203777799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420194543.7U CN203777799U (en) 2014-04-21 2014-04-21 Coal slime water pressurized filtering device with dosing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420194543.7U CN203777799U (en) 2014-04-21 2014-04-21 Coal slime water pressurized filtering device with dosing device

Publications (1)

Publication Number Publication Date
CN203777799U true CN203777799U (en) 2014-08-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626460A (en) * 2019-02-11 2019-04-16 天津中新智冠信息技术有限公司 Intelligent slime water treatment method and device
CN109772026A (en) * 2019-03-13 2019-05-21 中国矿业大学 A kind of coal slime filter aid chemicals dosing plant
CN109925787A (en) * 2019-03-13 2019-06-25 中国矿业大学 A kind of Intelligent medicine adding device for coal slime dewatering

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626460A (en) * 2019-02-11 2019-04-16 天津中新智冠信息技术有限公司 Intelligent slime water treatment method and device
CN109626460B (en) * 2019-02-11 2022-05-17 天津中新智冠信息技术有限公司 Intelligent slime water treatment method and device
CN109772026A (en) * 2019-03-13 2019-05-21 中国矿业大学 A kind of coal slime filter aid chemicals dosing plant
CN109925787A (en) * 2019-03-13 2019-06-25 中国矿业大学 A kind of Intelligent medicine adding device for coal slime dewatering

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140820

Termination date: 20170421

CF01 Termination of patent right due to non-payment of annual fee