CN206168075U - Thermal coal coal separating plant coal slime dewatering system - Google Patents
Thermal coal coal separating plant coal slime dewatering system Download PDFInfo
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- CN206168075U CN206168075U CN201621074185.1U CN201621074185U CN206168075U CN 206168075 U CN206168075 U CN 206168075U CN 201621074185 U CN201621074185 U CN 201621074185U CN 206168075 U CN206168075 U CN 206168075U
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- coal
- coal slime
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- bucket
- thickener
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Abstract
The utility model discloses a thermal coal coal separating plant coal slime dewatering system, this system includes: sieve bend, concentrated machine, sediment stuff pump, coal slime bucket, screen -bowl centrifuge and filter press, end and concentrated quick -witted underflow combining and connecting to first coal slime bucket are collected to the sieve bend oversize, make one section dehydration pan feeding through mixing the bulk processing, the adoption is subsided filtering centrifuge and is accomplished one section dehydration, and its filtrating is flow automatically to second coal slime bucket, and second coal slime bucket is connected to filter press in order to accomplish the two -stage process dehydration through the pump, the sieve bend backwater, subside filtering centrifuge centrifugate and filter press filtrating and return to concentrated machine. Each dewatering equipment's of full play of this system advantage characteristics have improved the dewatering effect and the rate of recovery of subsiding filtering centrifuge, have improved dehydration efficiency to the moisture of coal slime product has effectively been reduced.
Description
Technical field
The utility model is related to a kind of coal preparation plant's production system, more particularly to a kind of Coal Preparation Plant coal slime combined dehydration
System.
Background technology
The high-efficiency dehydration of coal slime is the matter of utmost importance that must be solved in slime water treatment.Existing Coal Preparation Plant coal slime one
As do not carry out flotation, but directly carry out dehydration recovery, use one section of recovery slime water treatment work of typical one section of concentration
Skill, there is more shortcoming, mainly either plate and frame filter press, the pressure filtration of the equipment in the operation of coal slime Water Sproading
There is advantage or weak point in machine, Sedimentation centrifugel, vacuum filter.The major advantage of plate and frame filter press is to adapt to energy
Power is strong, has the disadvantage that treating capacity is little and is unable to continuous pulp discharge and works continuously.Pressing filter, the major advantage of vacuum filter is can
To work continuously, but pressing filter bad adaptability, and to fine slime poor processing effect, filter liquor concentration is high, and vacuum filter
Machine is little so moisture of coal fines is high because of pressure differential, and equally exists the high situation of filter liquor concentration.Sedimentation centrifugel is de- in coal slime
Also extensive concern is gradually received in water, and is applied in the handling process of two sections of concentration two-stage recoveries, two sections concentrate two sections
Sedimentation centrifugel is being processed during recovery<During 45 μm of higher materials of content, the low problem of the rate of recovery always occurs,
Excessive fine is entered in the thickening of second segment, increases the process load of second segment, causes coal slime dewatering system
System job insecurity, it is less efficient, cause recirculated water impure, have influence on the stability of the whole production system of coal preparation plant.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model to provide a kind of Coal Preparation Plant
Coal slime dewatering system, further improves coal slime dewatering efficiency, and saving energy consumption improves the disposal ability of slurry circulating system.
Technical scheme：For achieving the above object, the technical solution of the utility model is as follows：
A kind of Coal Preparation Plant coal slime dewatering system, including sieve bend, thickener, the first Pulp pump, the first coal slime bucket,
Sedimentation centrifugel, the second coal slime bucket, the second Pulp pump and plate and frame filter, the thickener includes two ports of export, its
Middle one outlet end is circulating water outlet end, and another port of export is connected with the first Pulp pump；The sieve bend goes out including two
Mouth end, one of port of export is connected with thickener, and another port of export and the first Pulp pump are flowed to the first coal slime bucket；It is described
First coal slime bucket is connected with Sedimentation centrifugel, and the Sedimentation centrifugel includes three ports of export, wherein first goes out
Mouth end is connected with thickener, and second port of export is connected with the second coal slime bucket；The second coal slime bucket is connected with the second Pulp pump,
Second Pulp pump is connected with plate and frame filter press；The plate and frame filter press include two ports of export, one of port of export with
Thickener connects, and another port of export confluxes with the 3rd port of export of the Sedimentation centrifugel.
Further, the separation of coarse slime equipment of the feeding end connection coal preparation plant production system of described sieve bend.
Further, the feeding end of the thickener is connected with black water feed end.
Beneficial effect：The utility model adopts Sedimentation centrifugel and plate and frame filter press combined dehydration, in sieve bend
Product carries out mixing thick to the pan feeding of Sedimentation centrifugel, can effectively improve dewatering efficiency and the recovery of Sedimentation centrifugel
Rate, is mainly fine granule material in the filtrate of Sedimentation centrifugel, had using plate and frame filter press processed very strong suitable
The property used.The system gives full play to the advantageous feature of each dehydration equipment, improves the disposal ability of slime water system, effectively reduces
The moisture of coal slime product, and with efficiency high, the low advantage of energy consumption.
Description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of Coal Preparation Plant coal slime dewatering system, including sieve bend 1, thickener 2, the first slurry
Pump 3, the first coal slime bucket 4, Sedimentation centrifugel 5, the second coal slime bucket 6, the second Pulp pump 7 and plate and frame filter 8.Described arc
The separation of coarse slime equipment of the feeding end connection coal preparation plant production system of shape sieve 1, the sieve bend 1 is used for the pre- de- of coarse slime
Water.The feeding end of the thickener 2 is connected with black water feed end.The thickener 2 includes two ports of export, and one of them goes out
Mouth end is circulating water outlet end, and another port of export is connected with the first Pulp pump 3；The sieve bend 1 includes two ports of export, its
Middle one outlet end is connected with thickener 2, and another port of export and the first Pulp pump 3 are flowed to the first coal slime bucket 4；Described first
Coal slime bucket 4 is connected with Sedimentation centrifugel 5, and the Sedimentation centrifugel 5 includes three ports of export, wherein primary outlet
End is connected with thickener 2, and second port of export is connected with the second coal slime bucket 6；The second coal slime bucket 6 connects with the second Pulp pump 7
Connect, second Pulp pump 7 is connected with plate and frame filter press 8；The plate and frame filter press 8 includes two ports of export, and one of them goes out
Mouth end is connected with thickener 2, and another port of export confluxes with the 3rd port of export of the Sedimentation centrifugel 5.
The oversize collecting terminal of sieve bend 1 and the underflow of thickener 2 merge and are connected to the first coal slime bucket 4, make one section be dehydrated into
Material is through mixing bulk processing；One section of dehydration is completed using Sedimentation centrifugel 5, its filtrate flow to the second coal slime bucket 6, the second coal certainly
The second Pulp pumps of Jing 7 of mud bucket 6 are connected to plate and frame filter press 8 to complete two sections of dehydrations；The backwater of sieve bend 1, sedimentation filtration centrifugation
The centrifugate of machine 5 and the filtrate of plate and frame filter press 8 are back to thickener.The system gives full play to the advantageous feature of each dehydration equipment, carries
The dehydrating effect and the rate of recovery of high Sedimentation centrifugel, improves dewatering efficiency, and effectively reduces the water of coal slime product
Point.
During work, black water is passed through in the feeding end of thickener 2, black water splits into after the concentration of thickener 2 and follows
Black water after ring water and concentration, wherein, recirculated water is through the discharge of circulating water outlet end, the black water after concentration and sieve bend 1
In be sieving through coarse slime mixing after sequentially enter the first coal slime bucket 4 and Sedimentation centrifugel 5, from Sedimentation centrifugel 5
In be diverted filtrate, centrifugate and dehydrating prods, respectively enter thickener 2, the second coal slime bucket 6 and plate and frame filter press 8, wherein
Enter into centrifugate in the second coal slime bucket 6 to continue to be passed through the second Pulp pump 7 and plate and frame filter press 8 successively, eventually pass sheet frame pressure
The press filtration of filter 8 into filter cake and Sedimentation centrifugel 5 in distribute in dehydrating prods out be merged into final cleaned coal and produce
Product.Another port of export of plate and frame filter press 8 filtrate out converges into thickener 2.
The above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (3)
1. a kind of Coal Preparation Plant coal slime dewatering system, it is characterised in that：Including sieve bend (1), thickener (2), the first slag
The filter of stock pump (3), the first coal slime bucket (4), Sedimentation centrifugel (5), the second coal slime bucket (6), the second Pulp pump (7) and plate and frame
Machine (8), the thickener (2) includes two ports of export, and one of port of export is circulating water outlet end, another port of export with
First Pulp pump (3) connects；The sieve bend (1) includes two ports of export, and one of port of export is connected with thickener (2),
Another port of export and the first Pulp pump (3) are flowed to the first coal slime bucket (4)；The first coal slime bucket (4) and sedimentation filtration from
Scheming (5) connects, and the Sedimentation centrifugel (5) includes three ports of export, wherein primary outlet end with thickener (2) even
Connect, second port of export is connected with the second coal slime bucket (6)；The second coal slime bucket (6) is connected with the second Pulp pump (7), described
Second Pulp pump (7) is connected with plate and frame filter press (8)；The plate and frame filter press (8) is one of to export including two ports of export
End is connected with thickener (2), and another port of export confluxes with the 3rd port of export of the Sedimentation centrifugel (5).
2. a kind of Coal Preparation Plant coal slime dewatering system according to claim 1, it is characterised in that：Described sieve bend
(1) the separation of coarse slime equipment of feeding end connection coal preparation plant production system.
3. a kind of Coal Preparation Plant coal slime dewatering system according to claim 1, it is characterised in that：The thickener (2)
Feeding end be connected with black water feed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074185.1U CN206168075U (en) | 2016-09-23 | 2016-09-23 | Thermal coal coal separating plant coal slime dewatering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074185.1U CN206168075U (en) | 2016-09-23 | 2016-09-23 | Thermal coal coal separating plant coal slime dewatering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206168075U true CN206168075U (en) | 2017-05-17 |
Family
ID=58676524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621074185.1U Expired - Fee Related CN206168075U (en) | 2016-09-23 | 2016-09-23 | Thermal coal coal separating plant coal slime dewatering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206168075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237708A (en) * | 2016-09-23 | 2016-12-21 | 苏州三体智能科技有限公司 | A kind of Coal Preparation Plant coal slime dewatering system and method |
-
2016
- 2016-09-23 CN CN201621074185.1U patent/CN206168075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237708A (en) * | 2016-09-23 | 2016-12-21 | 苏州三体智能科技有限公司 | A kind of Coal Preparation Plant coal slime dewatering system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20180923 |