CN201400823Y - Constant-amount and constant-voltage beating apparatus of disk grinder - Google Patents
Constant-amount and constant-voltage beating apparatus of disk grinder Download PDFInfo
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- CN201400823Y CN201400823Y CN2009200503039U CN200920050303U CN201400823Y CN 201400823 Y CN201400823 Y CN 201400823Y CN 2009200503039 U CN2009200503039 U CN 2009200503039U CN 200920050303 U CN200920050303 U CN 200920050303U CN 201400823 Y CN201400823 Y CN 201400823Y
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Abstract
The utility model provides a constant-amount and constant-voltage beating apparatus of a disk grinder. The apparatus comprises a vertical pulp chest, a pulp supply pump, constant-current constant-voltage devices and the disk grinder, wherein the pulp supply pump is an ACP centrifugal pulp pump or an MCP medium consistency pulp pump; the constant-current constant-voltage devices are an overflow constant-current constant-voltage device and an air-cushion constant-current constant-voltage device; the pulp supply pump is connected with the constant-current constant-voltage devices; the overflow constant-current constant-voltage device is provided with a backflow pipe that is connected with the top part of the vertical pulp chest; and the constant-current constant-voltage devices are connectedwith the inlet of the disk grinder by the pulp supply pump. The beating apparatus can realize constant-amount and constant-voltage beating, and has constant beating power, high efficiency, less energyand stable beating amount and beating quality, thereby ensuring the quality and the quantity of the beating method to be unified.
Description
Technical field
The utility model relates to disc mill making beating technology, particularly a kind of disc mill constant level pressure beating apparatus.
Background technology
In papermaking process, making beating is a crucial link, have the title of " making beating in seven fens, three minutes copy paper ".Distinguish by beating consistency: existing disc mill making beating technology has low consistency pulping, middle and high consistency pulping; Distinguish by the making beating mode: existing disc mill making beating technology has constant voltage making beating and spacing making beating.Low consistency pulping mainly relies on cut-out and the friction making beating of abrasive disc to fiber, and based on cut staple, wire-dividing broom purification is auxilliary, is suitable for the making beating of the former wood pulp of long fiber; Middle and high consistency pulping mainly relies on fiber and fiber internal friction to make the fiber wire-dividing broom purification, cuts off and lacks, and is suitable for staple fibre grass plasmoid, the making beating of secondary stock secondary stock.The making beating final purpose of quovis modo is for the good fibre morphology that obtains, and the stream of the back paper pulp that is beneficial to pull an oar send the formation with page.Existing low consistency pulping mode is the determining deviation making beating, relies on to regulate intensity and the quality that the making beating effect is regulated in the gap between the abrasive disc; And existing middle and high consistency pulping mode is the constant voltage making beating, and in pulping process, mill district pressure keeps constant according to setting value, and making beating intensity is controlled by the size of mill district pressure.Two kinds of methods of beatings do not consider that all centrifugal stock pump is for starching the influence of flow and pressure variation to the disc mill refining pulp quality, in publication " disc mill is exempted from power for slurry medium consistency refining method and device ", also exist and carry out with making beating, slurry tower (pond) slurry position descends and influences disc mill inlet flow rate and pressure, and under the disc mill swabbing action, by with the pulp-water current difference, underflow material concentration increases gradually in the slurry tower (pond), cause the refining concentration inequality, descend with slurry tower (pond) slurry position, disc mill advances to starch pressure and descends, cause actual beating pressure shakiness, influence refining pulp quality.Therefore, control panel grinding machine grout absorption is stable, pressure stability, and disc mill mill district pressure stability realizes three stable unifications, with energy savings crucial meaning is arranged to guaranteeing the stable of disc mill refining pulp quality.
The utility model content
The purpose of this utility model is to overcome the above-mentioned shortcoming of the existence that has the making beating technology now, and a kind of basic, normal, high dense disc mill making beating and stable disc mill constant level pressure beating apparatus of refining pulp quality of being applicable to is provided.
Technical purpose of the present utility model is achieved through the following technical solutions:
A kind of disc mill constant level pressure beating apparatus, comprise vertical stock tank, slurry supply pump, constant current constant voltage device and hydraulic pressure disc mill, described vertical stock tank grout outlet is connected with the slurry supply pump import, the slurry supply pump outlet is connected with the import of constant current constant voltage device by flow inlet, and the outlet of constant current constant voltage device is connected with the disc mill import by flow inlet.
In the above-mentioned disc mill constant level pressure beating apparatus, vertical stock tank is circular or square; The stock tank bottom becomes the gradient of 10 degree with ground, become the gradient of 40 degree with the stock tank wall, and agitator axle center line becomes 30 degree angles with vertical stock tank grout outlet.
In the above-mentioned disc mill constant level pressure beating apparatus, the impeller of the centrifugal stock pump of described ACP type is a semi-open type, and front shroud of impeller is fixed on the pump case, the adjustable gaps of this half-opened impeller and its front shroud; The projection shape line of the impeller inlet direction of described MCP type middle underflow pump is a log spiral, and its impeller channel is the single channel of open type.
In the above-mentioned disc mill constant level pressure beating apparatus, the slurry position in the described overflow-type constant current constant voltage device is higher than the disc mill entrance location, sets into its installation site height of slurry force value different adjustment according to disc mill; Described air-cushion type constant current constant voltage device is set into slurry force value different adjustment air cushion pressure according to disc mill.
In the above-mentioned disc mill constant level pressure beating apparatus, described hydraulic pressure disc mill comprises hydraulic pressure single disc refiner and Hydraulic Double mill, and the advance and retreat cutter stroke of hydraulic pressure single disc refiner and Hydraulic Double mill is by HYDRAULIC CONTROL SYSTEM, and beating pressure is regulated by the pressure regulator valve of hydraulic control system.
The utility model has following advantage and effect with respect to prior art: the utility model can be realized the constant level pressure making beating of disc mill, with respect to the low dense determining deviation making beating of dense constant voltage making beating or double plate mill in the dope platen grinding machine in existing, has the making beating power invariability, energy-efficient, making beating amount and matter are stable, have realized the unification of the quality and quantity of methods of beating.Adopt this disc mill constant level pressure beating apparatus can realize pulping process flow and pressure stability, disc mill power (energy consumption) is constant, saves energy consumption, and refining pulp quality is stable.Adopt this disc mill constant level pressure beating apparatus to avoid existing low dense determining deviation making beating narrow with middle and high dense constant voltage making beating adaptability, the making beating mass flow discrepancy, cause actual beating pressure shakiness for the variation of slurry pressure, the shortcoming of refining pulp quality inequality, adaptability with broad, can be applicable to the basic, normal, high making beating that waits variable concentrations of concentration 3%～10%, by setting different making beating flow and pressure, changing different abrasive discs all has the steady quality effect of uniform to the making beating of various fibers.
Description of drawings
Fig. 1 is the structural representation of this disc mill of disc mill overflow-type constant level pressure beating apparatus
Fig. 2 is the structural representation of this disc mill of disc mill air-cushion type constant level pressure beating apparatus
Fig. 3 is the structural front view of the vertical stock tank of this disc mill of disc mill constant level pressure beating apparatus
Fig. 4 is the structure vertical view of the vertical stock tank of this disc mill of disc mill constant level pressure beating apparatus
Fig. 5 is the structural front view of this disc mill of disc mill constant level pressure beating apparatus (overflow-type) constant current constant voltage device
Fig. 6 is the structure vertical view of this disc mill of disc mill constant level pressure beating apparatus (overflow-type) constant current constant voltage device
Fig. 7 is the structural front view of this disc mill of disc mill constant level pressure beating apparatus (air-cushion type) constant current constant voltage device
Fig. 8 is the structure vertical view of this disc mill of disc mill constant level pressure beating apparatus (air-cushion type) constant current constant voltage device
Fig. 9 is the structural representation of the centrifugal stock pump of this disc mill of disc mill constant level pressure beating apparatus ACP type
Figure 10 is the structural representation of this disc mill of disc mill constant level pressure beating apparatus MCP type middle underflow pump.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is further described in detail, but embodiment of the present utility model is not limited only to this.
Fig. 1 and Fig. 2 show the specific embodiment of the present utility model, by shown in Figure 1, this disc mill (overflow-type) constant level pressure beating apparatus is formed by connecting by flow inlet 105 successively by vertical stock tank 101, the centrifugal stock pump 102 of ACP type, overflow-type constant current constant voltage device 103, Hydraulic Double disc mill 104, and overflow-type constant current constant voltage device 103 has return duct 106 to be connected with vertical stock tank 101 tops; Shown in Figure 2 disc mill (air-cushion type) constant level pressure beating apparatus is by vertical stock tank 201, MCP type middle underflow pump 202, air-cushion type constant current constant voltage device 203, which is provided with Pressure gauge 2031 and barrier film 2032, Hydraulic Double disc mill 204 is formed by connecting by flow inlet 205 successively.
Vertical stock tank front view is provided with agitator 301 as shown in Figure 3 in it, the stock tank body design is circular, its bottom design gradient β equals 10 degree, and α equals 40 degree, and gradient height H equals half of diameter D, be beneficial to screw propeller and stir, promote the even and mobile of slurry; The grout outlet of attached view 4 stock tanks of vertical stock tank is positioned at stock tank bottom and equals 30 degree with the angle γ of the axial line of agitator 301.
Overflow-type constant current constant voltage device front view 5 and vertical view 6 and air-cushion type constant current constant voltage device front view 7 and overlook stock inlet shown in Figure 8 and be tangential direction and advance slurry.
The centrifugal stock pump Fig. 9 of ACP type by the pump housing 901, impeller before liner plate 902, half-opened impeller 903, pump postoperculum 904, sealing 905, bearing body suspension 906 and axle 907 form, front shroud of impeller 902 is fixed on the pump case 901, the adjustable gaps of half-opened impeller 903 and its front shroud 902, so that adjust after impeller 903 or front shroud 902 wearing and tearing crack between the two, guarantee the performance of stock pump.
MCP type middle underflow pump Figure 10 is made up of suction cover 1001, the pump housing 1002, logarithm helical runner 1003, pump postoperculum 1004, sealing 1005, bearing body suspension 1006 and pump shaft 1007, the side projection camber line of suction cover 1001 and the side projection camber line of logarithm helical runner 1003 match, the axis projection shape line of logarithm helical runner 1003 is a log spiral, its impeller channel is the single channel of open type, have and do not have the property of obstruction and intake performance, the efficient conveying of underflow material in the assurance preferably.
202 imports of MCP type middle underflow pump are connected with the grout outlet of vertical stock tank 201, its outlet is connected with air-cushion type constant current constant voltage device 203 by flow inlet 205, by regulating the pressure of square air cushion on air-cushion type constant current constant voltage device 203 barrier films 2032, thereby flow and pressure stability that control enters Hydraulic Double disc mill 204, the beating degree requirement of planting equally according to the difference slurry, adjust the pressure regulator valve setting value of Hydraulic Double disc mill 204, determine beating pressure, thereby realize (air-cushion type) of the present utility model constant current amount level pressure making beating mode.
During the work of this disc mill constant level pressure beating apparatus, can keep flow and pressure stability for slurry, the flow and the pressure stability of disc mill making beating, because having, stirs preferably and flowability in whole pulping process slurry, thereby the concentration of slurry is also relatively stable, therefore, and whole pulping process power invariability, energy-efficient, as to keep the making beating quality and quantity stable unification.
Claims (5)
1, a kind of disc mill constant level pressure beating apparatus, comprise vertical stock tank, slurry supply pump, constant current constant voltage device and hydraulic pressure disc mill, it is characterized in that: vertical stock tank grout outlet is connected with the slurry supply pump import, the slurry supply pump outlet is connected with constant current constant voltage device tangential entry by flow inlet, and the outlet of constant current constant voltage device is connected with the disc mill import by flow inlet.
2, according to right 1 described disc mill constant level pressure beating apparatus, it is characterized in that: vertical stock tank is for circular or square; The stock tank bottom becomes the gradient of 10 degree with ground, become the gradient of 40 degree with the stock tank wall, and agitator axle center line becomes 30 degree angles with vertical stock tank grout outlet.
3, according to right 1 described disc mill constant level pressure beating apparatus, it is characterized in that: described slurry supply pump is centrifugal stock pump of ACP type or MCP type middle underflow pump, the impeller of the centrifugal stock pump of described ACP type is a semi-open type, front shroud of impeller is fixed on the pump case, the adjustable gaps of this half-opened impeller and its front shroud; The projection shape line of the impeller inlet direction of described MCP type middle underflow pump is a log spiral, and its impeller channel is the single channel of open type.
4, according to right 1 described disc mill constant level pressure beating apparatus, it is characterized in that: described constant current constant voltage device is overflow-type constant current constant voltage device or air-cushion type constant current constant voltage device, slurry position in the described overflow-type constant current constant voltage device is higher than the disc mill entrance location, sets into its installation site height of slurry force value different adjustment according to disc mill; Described air-cushion type constant current constant voltage device is set into slurry force value different adjustment air cushion pressure according to disc mill.
5, according to right 1～4 each described disc mill constant level pressure beating apparatus, it is characterized in that: described hydraulic pressure disc mill comprises hydraulic pressure single disc refiner and Hydraulic Double mill, the advance and retreat cutter stroke of hydraulic pressure single disc refiner and Hydraulic Double mill is by HYDRAULIC CONTROL SYSTEM, and beating pressure is regulated by the pressure regulator valve of hydraulic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200503039U CN201400823Y (en) | 2009-01-16 | 2009-01-16 | Constant-amount and constant-voltage beating apparatus of disk grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200503039U CN201400823Y (en) | 2009-01-16 | 2009-01-16 | Constant-amount and constant-voltage beating apparatus of disk grinder |
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| Publication Number | Publication Date |
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| CN201400823Y true CN201400823Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200503039U Expired - Fee Related CN201400823Y (en) | 2009-01-16 | 2009-01-16 | Constant-amount and constant-voltage beating apparatus of disk grinder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286894A (en) * | 2011-09-30 | 2011-12-21 | 浙江凯丰纸业有限公司 | Constant quantity and pressure beating method and device of disk mill |
| CN106742130A (en) * | 2017-01-12 | 2017-05-31 | 长沙市中制药机械有限公司 | A kind of closed time pressure bulking system |
-
2009
- 2009-01-16 CN CN2009200503039U patent/CN201400823Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286894A (en) * | 2011-09-30 | 2011-12-21 | 浙江凯丰纸业有限公司 | Constant quantity and pressure beating method and device of disk mill |
| CN106742130A (en) * | 2017-01-12 | 2017-05-31 | 长沙市中制药机械有限公司 | A kind of closed time pressure bulking system |
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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: 20100210 Termination date: 20130116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |