CN203513619U - Grain size distribution device for pulping cyclic shunting of water coal slurry - Google Patents
Grain size distribution device for pulping cyclic shunting of water coal slurry Download PDFInfo
- Publication number
- CN203513619U CN203513619U CN201320612361.2U CN201320612361U CN203513619U CN 203513619 U CN203513619 U CN 203513619U CN 201320612361 U CN201320612361 U CN 201320612361U CN 203513619 U CN203513619 U CN 203513619U
- Authority
- CN
- China
- Prior art keywords
- size distribution
- grain size
- distribution device
- slurry
- coal
- Prior art date
- 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 - Lifetime
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 19
- 239000003250 coal slurry Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 9
- 238000004537 pulping Methods 0.000 title abstract description 4
- 125000004122 cyclic group Chemical group 0.000 title abstract 2
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 6
- 230000004087 circulation Effects 0.000 claims description 25
- 239000003245 coal Substances 0.000 claims description 14
- 238000004513 sizing Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 19
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 238000009955 starching Methods 0.000 description 10
- 230000002902 bimodal effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000011362 coarse particle Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004503 fine granule Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Abstract
The utility model discloses a grain size distribution device for pulping cyclic shunting of water coal slurry. The grain size distribution device is connected with raw material supply equipment and slurry discharge equipment. The device comprises a regulating circulating pump, a screw feeder, a pulping ball grinder, a vibration slag remover, a stirring tank, a feeding screw pump and a filter sieve, which are sequentially connected, wherein the screw feeder is connected with the raw material supply equipment; the filter sieve is connected with the slurry discharge equipment; and the device also comprises a regulating circulating pump connected to the filter sieve and the screw feeder. By adopting the grain size distribution device, the slurry ground by the ball grinder is shunted and then ground again, so as to reduce the fineness of the particles by using a ball grinder and adopting the regulating circulating pump. Thus, the target of dual peaks in one machine is achieved.
Description
Technical field
The utility model relates to COAL-WATER SLURRY TECHNOLOGY field, and in particular, particularly grain size distribution device is shunted in a kind of water-coal-slurry slurring circulation.
Background technology
Coal water slurry is New type coal base liquid fuel, is the clean energy that country and each place government are all wideling popularize.It has its born advantage in energy-saving and emission-reduction, and in actual production, has brought into play important effect.
Coal water slurry be coal, water and a small amount of additive under the grinding of Special ball mill, the liquid coal derived fuel of making.In ball mill, the steel ball varying in size need to be added according to certain ratio, to guarantee that the granularity of coal grain in coal water slurry reaches certain fineness and proportioning, this technology is called grain size distribution.When the granulometric curve that utilizes coal water slurry laser particle size analyzer to detect to obtain is regular when bimodal, be optimum size grating, the viscosity in aqueous coal slurries under this state, mobility, stability etc. are all ideal.The general mode of many table grinders mix grinding that adopts of existing pulping process realizes bimodal object, but adopts a table grinder to be difficult to realize bimodal object.
Utility model content
The purpose of this utility model is to be regular bimodal technical problem for existing a table grinder to be difficult to realize granulometric curve in prior art, and a kind of water-coal-slurry slurring circulation shunting grain size distribution device is provided.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of water-coal-slurry slurring circulation shunting grain size distribution device, with raw material supplying equipment and pulp equipment connection, this device comprises adjusting recycle pump, screw feeder, slurrying ball mill, vibrations slag remover, steel basin, feeding screw rod pump and the filter sieve connecting successively, described screw feeder and raw material supplying equipment connection, described filter sieve and pulp equipment connection, it also comprises the adjusting recycle pump that connects described filter sieve and screw feeder.
According to a preferred embodiment of the present utility model: the internal circulating load of described adjusting recycle pump is 25%.
According to a preferred embodiment of the present utility model: described raw material supplying equipment comprises run coal bin, crusher, surge bunker and the constant feeder of connection.
According to a preferred embodiment of the present utility model: described pulp equipment comprises the tank of sizing mixing, homogeneous tank and the slurry can connecting successively, and described in the tank of sizing mixing be connected with filter sieve.
Compared with prior art, the beneficial effects of the utility model are: the utility model is used a table grinder and adopts and regulates recycle pump by again grinding to reduce the fineness of particle after the slurry circulation shunting after ball mill grinding, has realized the bimodal object of a machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of water-coal-slurry slurring circulation shunting grain size distribution device of the present utility model.
Fig. 2 is the workflow diagram of water-coal-slurry slurring circulation shunting grain size distribution device of the present utility model.
Fig. 3 is circulation in the utility model and returns the granulometric curve figure testing while starching 15%.
Fig. 4 is circulation in the utility model and returns the granulometric curve figure testing while starching 20%.
Fig. 5 is circulation in the utility model and returns the granulometric curve figure testing while starching 25%.
Fig. 6 is circulation in the utility model and returns the granulometric curve figure testing while starching 30%.
Fig. 7 is circulation in the utility model and returns the granulometric curve figure testing while starching 35%.
Description of reference numerals: 1, filter sieve, 2, regulate recycle pump, 3, screw feeder, 4, slurrying ball mill, 5, vibrations slag remover, 6, steel basin, 7, feeding screw rod pump, 8, the tank of sizing mixing, 9, homogeneous tank, 10, slurry can, 11, raw material supplying equipment.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Consult shown in Fig. 1, the utility model provides a kind of water-coal-slurry slurring circulation shunting grain size distribution device, with raw material supplying equipment 11 and pulp equipment connection, this device comprises adjusting recycle pump 2, screw feeder 3, slurrying ball mill 4, vibrations slag remover 5, steel basin 6, feeding screw rod pump 7 and the filter sieve 1 connecting successively, wherein, screw feeder 3 is connected with raw material supplying equipment 11, filter sieve 1 and pulp equipment connection, it also comprises the adjusting recycle pump 2 that connects filter sieve 1 and screw feeder 3.
Wherein, raw material supplying equipment 11 comprises run coal bin, crusher, surge bunker and the constant feeder of connection; Pulp equipment comprises the tank 8 of sizing mixing, homogeneous tank 9 and the slurry can 10 connecting successively, and the tank 8 of sizing mixing is connected with filter sieve 1.
Consult shown in Fig. 2, workflow of the present utility model is described further: the feed coal of run coal bin enters surge bunker after crusher in crushing, by constant feeder, be quantitatively transferred to screw feeder 3 again, water and additive together sent into slurrying ball mill 4 by screw feeder 3 simultaneously; After oarse-grained coal cinder being filtered with vibrations slag remover 5 again after slurrying ball mill 4, enter steel basin 6, again after filter sieve 1 filters, a part is successively by the tank 8 of sizing mixing, the last slurry can 10 that arrives of homogeneous tank 9, there is a certain proportion of slurry by regulating recycle pump 2 to return to screw feeder 3 simultaneously, reentering ball mill grinds, to reduce the fineness of particle, realized the bimodal object of a machine.
Below by battery of tests data, show that water-coal-slurry slurring circulation shunting grain size distribution device of the present utility model has adopted the effect that regulates recycle pump 2.
One,, during normal not enabled device of the present utility model, the following particle of 10 μ m accounts for the following particle of 27.85%, 75 μ m and accounts for 72.11%, the large percentage that coarse particles accounts for.
Two, enable device of the present utility model, regulate recycle pump 2 circulations to return while starching 15%, the following particle of 10 μ m accounts for the following particle of 27.54%, 75 μ m and accounts for 78.60%, and the ratio that coarse particles accounts for reduces, but bimodal not obvious, its granulometric curve figure as shown in Figure 3.
Three, enable device of the present utility model, regulate recycle pump 2 circulations to return while starching 20%, the following particle of 10 μ m accounts for the following particle of 36.89%, 75 μ m and accounts for 79.4%, and fine particle showed increased is bimodal comparatively obvious, and its granulometric curve figure as shown in Figure 4.
Four, enable device of the present utility model, regulate recycle pump 2 circulations to return while starching 25%, the following particle of 10 μ m accounts for 46.07%, the following particle of 75 μ m accounts for 76.79%, the large percentage that fine particle accounts for, intermediate particle greatly reduces, and between each granularity particle, ratio reaches optimum regime, and its granulometric curve figure as shown in Figure 5.
Five, enable device of the present utility model, regulate recycle pump 2 circulations to return while starching 30%, the following particle of 10 μ m accounts for the following particle of 44.92%, 75 μ m and accounts for 89.76%, and fine particle still accounts for larger proportion, and coarse particles greatly reduces, and its granulometric curve figure as shown in Figure 6.
Six, enable device of the present utility model, regulate recycle pump 2 circulations to return while starching 35%, the following particle of 10 μ m accounts for the following particle of 73.5%, 75 μ m and accounts for 95.58%, large or fine granule proportional imbalance, and sludge forming performance is poor, and its granulometric curve figure is as shown in Figure 7.
From above-mentioned test result: be 25% when regulating the internal circulating load of recycle pump 2, grain size distribution reaches optimum proportion, and effects on slurry making is good.
Water-coal-slurry slurring circulation shunting grain size distribution device of the present utility model is based on again grinding to reduce particle fineness after circulation shunting, realizing the bimodal object of a machine; This device has simple possible, can greatly simplify the technique of original a plurality of ball mill slurrying, and reach desirable effect, has greatly promotional value.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (4)
1. grain size distribution device is shunted in a water-coal-slurry slurring circulation, with raw material supplying equipment (11) and pulp equipment connection, this device comprises the adjusting recycle pump (2) connecting successively, screw feeder (3), slurrying ball mill (4), vibrations slag remover (5), steel basin (6), feeding screw rod pump (7) and filter sieve (1), described screw feeder (3) is connected with raw material supplying equipment (11), described filter sieve (1) and pulp equipment connection, it is characterized in that: also comprise the adjusting recycle pump (2) that connects described filter sieve (1) and screw feeder (3).
2. water-coal-slurry slurring circulation shunting grain size distribution device according to claim 1, is characterized in that: the internal circulating load of described adjusting recycle pump (2) is 25%.
3. water-coal-slurry slurring circulation shunting grain size distribution device according to claim 1 and 2, is characterized in that: described raw material supplying equipment (11) comprises run coal bin, crusher, surge bunker and the constant feeder of connection.
4. grain size distribution device is shunted in water-coal-slurry slurring circulation according to claim 1 and 2, it is characterized in that: described pulp equipment comprises successively the tank of sizing mixing (8), homogeneous tank (9) and the slurry can (10) connecting, and described in the tank (8) of sizing mixing be connected with filter sieve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612361.2U CN203513619U (en) | 2013-10-07 | 2013-10-07 | Grain size distribution device for pulping cyclic shunting of water coal slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612361.2U CN203513619U (en) | 2013-10-07 | 2013-10-07 | Grain size distribution device for pulping cyclic shunting of water coal slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203513619U true CN203513619U (en) | 2014-04-02 |
Family
ID=50372576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320612361.2U Expired - Lifetime CN203513619U (en) | 2013-10-07 | 2013-10-07 | Grain size distribution device for pulping cyclic shunting of water coal slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203513619U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968407A (en) * | 2014-05-22 | 2014-08-06 | 江苏秋林重工股份有限公司 | Pulverized coal pulping equipment and pulping method thereof |
| CN109536223A (en) * | 2018-11-07 | 2019-03-29 | 南京楠达环保科技有限公司 | A kind of preparation method and production equipment of high concentration gasified coal water slurry |
| CN109758933A (en) * | 2019-03-14 | 2019-05-17 | 贺州学院 | A kind of ink process units |
-
2013
- 2013-10-07 CN CN201320612361.2U patent/CN203513619U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968407A (en) * | 2014-05-22 | 2014-08-06 | 江苏秋林重工股份有限公司 | Pulverized coal pulping equipment and pulping method thereof |
| CN103968407B (en) * | 2014-05-22 | 2017-02-15 | 江苏秋林重工股份有限公司 | Pulverized coal pulping equipment and pulping method thereof |
| CN109536223A (en) * | 2018-11-07 | 2019-03-29 | 南京楠达环保科技有限公司 | A kind of preparation method and production equipment of high concentration gasified coal water slurry |
| CN109758933A (en) * | 2019-03-14 | 2019-05-17 | 贺州学院 | A kind of ink process units |
| CN109758933B (en) * | 2019-03-14 | 2021-10-01 | 汕尾职业技术学院 | Ink production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103305297B (en) | A kind of gasified coal water slurry and preparation method thereof | |
| CN101955824B (en) | Complete two-stage slurry production equipment of water-coal-slurry and gasified water-coal-slurry by using low-rank coal fuel | |
| US20120255221A1 (en) | Coal water slurry and methods for making the coal water slurry | |
| CN203513619U (en) | Grain size distribution device for pulping cyclic shunting of water coal slurry | |
| CN102517057A (en) | Coal moisture control method of firstly classifying crushing and then mixing | |
| CN109880663B (en) | Low-energy-consumption coal water slurry with complete discontinuous particle size distribution and preparation method thereof | |
| CN103242918A (en) | Method for preparing high-concentration water-coal slurry by using flotation clean coals | |
| CN204298355U (en) | A kind of preparation system of sludge water-coal-slurry | |
| US9296965B2 (en) | System and method for preparing coal water slurry | |
| CN205088200U (en) | Multiple low -quality coal grinds respectively and becomes thick liquid system altogether | |
| CN103206718A (en) | System and method for improving slurry property of low order coal slurry | |
| CN101245918B (en) | Novel pulping method for hyperfine water-coal-slurry | |
| US20140208637A1 (en) | System and method for preparing coal water slurry | |
| CN105062567B (en) | The preparation method of water-gas | |
| CN101956992B (en) | Low rank coal fuel coal water slurry and gasified coal water slurry complete production unit | |
| CN201762299U (en) | Complete set of equipment for producing coal water slurry fuel and gasification coal water slurry by low rank coal | |
| CN109266410A (en) | A kind of slurries additive agent with grind -aiding effect | |
| CN105062587A (en) | Low energy consumption grain controlled graded coal water slurry and preparation method thereof | |
| CN101691926A (en) | Container moving type water-coal-slurry device and production process thereof | |
| CN103374423A (en) | Coal-water slurry and method for preparing same | |
| CN204138623U (en) | A kind of novel coal-grinding pulping system | |
| CN201762298U (en) | Complete set of equipment for producing coal water slurry fuel and gasification coal water slurry by low rank coal in two stages | |
| CN204522889U (en) | A kind of metabolic water coal slurry complete device for producing | |
| CN109135853B (en) | Method for preparing high-concentration coal water slurry by fine crushing and few grinding | |
| CN103752417B (en) | A kind of blue charcoal swims sorting processing method for upgrading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
|
| CX01 | Expiry of patent term |