CN204224914U - A kind of active slurry dispenser - Google Patents
A kind of active slurry dispenser Download PDFInfo
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- CN204224914U CN204224914U CN201420684033.8U CN201420684033U CN204224914U CN 204224914 U CN204224914 U CN 204224914U CN 201420684033 U CN201420684033 U CN 201420684033U CN 204224914 U CN204224914 U CN 204224914U
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Abstract
The utility model provide a kind of producd fibers cement plate and watt and the equipment-active slurry dispenser of fiber calcium silicate board.Described distributor comprises frame, power set and slip mixing chamber, and power set and slip mixing chamber are arranged in frame; Described slip mixing chamber is from stock inlet to grout outlet direction, successively by the first taper mixing chamber, cylindrical trunnion, the second taper mixing chamber and cylindrical pressure room composition, first taper mixing chamber is the gradually little cone-shaped cavity in cross section, and the second taper mixing chamber is the gradually large cone-shaped cavity in cross section; Described slip mixing chamber rear end cap is provided with multiple grout outlet be distributed on concentric circles.The utility model can provide for downstream section the pulp flow that multiply concentration, speed, flow are identical, single-point open channel of the prior art can be entered slurry mode to be improved to multiple spot pipeline pressure and to enter slurry mode, drastically increase production efficiency and product quality, there is fabulous practicality, and can good economic benefit be produced.
Description
Technical field
The utility model relate to producd fibers cement plate and watt and the equipment of fiber calcium silicate board, particularly a kind of active slurry dispenser liquid slip being evenly distributed to multiple passage.
Background technology
Domestic and international existing producd fibers cement plate and watt and the method for fiber calcium silicate board mainly contain cylinder and copy and follow the example of and slurry flowing process.Cylinder is copied and is followed the example of production technology principle as shown in Figure 1, the slip modulated flow in net cage 23 by conveyer trough 13 through slurry inlet 32, slurry level floods about 3/4 position to rotary screen cage 22 diameter, rotary screen cage outer wrap has the Inside and outside network of certain order number, and rotary screen cage top eccentric setting has couch roll 15 to press volt woollen blanket 17 tightly to contact with rotary screen cage 22; When woollen blanket runs, forming tube 19 is pressed on breast roll 18, breast roll 18 rotarily drives woollen blanket 17 and runs, couch roll 15 is by woollen blanket driven rotary rotary screen cage 22 synchronous rotary simultaneously, filtered by rotary screen cage 22 under the effect of slip pressure reduction in net cage 23, it is online outward that the bed of material produced is attached to rotary screen cage, and water is drained in the middle of rotary screen cage 22; Because of rotary screen cage 22 genus polyporus and can through air, and couch roll 15, denser between woollen blanket 17 and the bed of material, do not have air by, therefore the bed of material more easily departs from rotary screen cage 22 adheres on woollen blanket 17, and the first bed of material is just continuously delivered on woollen blanket 17; Agitator 20 precipitates for preventing slip, and heavier sandstone foreign material sink to after at the bottom of case, is regularly removed by the discharge pipe 21 of base plate.On woollen blanket, continuously just the bed of material is after vacuum tank 16 dewaters, and continuous winding, on forming tube 19, shuts down wet feed base from forming tube 19 after meeting the requirements of thickness, then is processed into the product of various shape through next procedure.Cylinder copies the serious shortcomings of following the example of existence: it is very thin that single rotary screen cage copies the bed of material got, multiple rotary screen cage 22 is needed for improving output, but because slip is flow into by conveyer trough 13, slip in the transmitting procedure of net cage easily precipitates, segregation phenomenon, causes slip can not each net cage of uniform distribution; Cylinder copies the mode of following the example of and adopting sub-thread open channel to enter slurry, can cause along fabric width direction pulp density and mass flow discrepancy even, easily produce the bed of material width variable thickness during rotary screen cage bridging to cause, namely thick one side is thin, more can not realize double width and produce with the requirement significantly improving output.
China Patent No. 89203043.7 provides equipment---the head box that a kind of slurry flowing process produces asbestos-cement products, production technology principle as shown in Figure 2, the slip modulated flow in head box 24 by conveyer trough 13 through slurry inlet 32, head box 24 is built with agitator 20 and dividing plate, when slip reaches certain liquid level in head box, naturally, trickle to woollen blanket 17 the first bed of material of formation by horizontal cloth pulpboard and the stream pulpboard 25 that tilts, the first bed of material is through the system dehydration of multiple vacuum tank Final 16, the multi-turn bed of material is wound on forming tube 19, wet feed base is shut down from forming tube after meeting the requirements of thickness, various product is processed into through next procedure.The shortcoming that slurry flowing process exists is: slip adopts open channel to enter the mode of slurry from the middle part of head box, can cause along fabric width direction pulp density and mass flow discrepancy even, need to carry out CONCENTRATION DISTRIBUTION in the width direction with agitator, even if but so also easily produce bed of material width uneven thickness phenomenon, cause product surface coarse, output is on the low side, more can not realize double width and produce with the requirement significantly improving output.
In a word cylinder copy follow the example of, slurry flowing process two kinds of methods send slurry mode all to belong to sub-thread open channel to enter slurry mode, slip is free surface flow or claims gravity current, it is uneven that slip can produce flow velocity official post solid-liquid ratio under the effect of gravity and viscosity, can segregation phenomenon be there is and slip is deposited, the phenomenons such as secondary wadding gathers can be there is in the fiber affected in slurry by flow-disturbing, above unfavorable factor makes to adopt the low concentration mode of about 8% to produce in production process, causes unit production capacity decline cost to raise.
Summary of the invention
For solving the deficiency that above-mentioned prior art exists, the utility model provides a kind of active slurry dispenser, and it can provide for downstream section the slip that multiply concentration, speed, flow are identical.
The utility model realizes by following technical solution: a kind of active slurry dispenser, it is characterized in that: described active slurry dispenser comprises frame, power set and slip mixing chamber, described power set and slip mixing chamber are arranged in frame, be provided with stock inlet above described slip mixing chamber front end, below stock inlet, slip mixing chamber Inner Front End covers and is provided with conical entrance kuppe; In mixing chamber, rear end cap is provided with conical outlet kuppe, rear end cap is also provided with multiple grout outlet be distributed on concentric circles, the external slip conduit of grout outlet; Described slip mixing chamber is from stock inlet to grout outlet direction, successively by the first taper mixing chamber, cylindrical trunnion, the second taper mixing chamber and cylindrical pressure room composition, first taper mixing chamber is the gradually little cone-shaped cavity in cross section, and the second taper mixing chamber is the gradually large cone-shaped cavity in cross section; In the middle of the first taper mixing chamber to the second taper mixing chamber, be provided with impeller axle, impeller axle front end is connected with external motive device through conical entrance kuppe and slip mixing chamber drive end bearing bracket, and impeller shaft end is equipped with impeller; Mouth of sizing mixing is provided with above described cylindrical trunnion.
Further, described power set, impeller axle and impeller, can be substituted by the high-order slip case of slip mixing chamber outside and produce pressure pulp flow.
Further, described power set, impeller axle and impeller, can be substituted by slip mixing chamber external pump pressuring method and produce pressure pulp flow.
Further, described power set, impeller axle and impeller, can be substituted by slip mixing chamber external air compressor pressuring method and produce pressure pulp flow.
The utility model has following advantages and beneficial effect: the overall process due to the motion of slurry stream is carried out closing and be full of in the pipeline of slurries or space, so the material water isolation depositional phenomenon because Action of Gravity Field produces can not be there is, also can not produce that mean flow rate is inconsistent and liquid is poor with the movement velocity of solids, slurry stream main body flows with the form of turbulent flow simultaneously, the fiber secondary wadding that can not occur in slurry is poly-, therefore this equipment can provide multiply concentration for downstream section, speed, the pulp flow that flow is identical, single-point open channel of the prior art can be entered slurry mode to be improved to multiple spot pipeline pressure and to enter slurry mode, thus ensure that slip is along the uniformity of fabric width direction concentration and flow and uniformity, and can accomplish that slip high concentration is produced, improve production capacity and utilization rate of raw materials.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is that traditional asbestos-cement products cylinder is copied and followed the example of production process schematic diagram.
Fig. 2 is slurry flowing process asbestos-cement products production procedure schematic diagram.
Fig. 3 is the structural representation of the active slurry dispenser of the utility model.
Fig. 4 is slip mixing chamber rear end cover structure schematic diagram.
Fig. 5 is the active slurry dispenser structural representation with high-order slip case alternate power device.
In figure: 1. motor, 2. power set, 3. entrance guiding cover, 4. stock inlet, 5. the first taper mixing chamber, 6. cylindrical trunnion, 7. to size mixing mouth, 8. impeller axle, 9. impeller, 10. cylindrical pressure room, 11. outlet kuppes, 12. grout outlets, 13. conveyer troughs, 14. frames, 15. couch rolls, 16. vacuum tanks, 17. woollen blankets, 18. breast rolls, 19. forming tubes, 20. agitators, 21. discharge pipes, 22, rotary screen cage, 23. net cages, 24. head boxs, 25. stream pulpboards, 26. drive end bearing brackets, 27. rear end caps, 28. high-order slip casees, 29, second taper mixing chamber, 30. slip mixing chambers, 31. slip conduits, 32. slurry inlet.
Detailed description of the invention
Be further described embodiment of the present utility model below in conjunction with accompanying drawing, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 3, the purpose of this utility model is to provide a kind of active slurry dispenser, comprise frame 14, power set 2 and slip mixing chamber 30, described power set 2 and slip mixing chamber 30 are arranged in frame 14, be provided with stock inlet 4 above described slip mixing chamber 30 front end, below stock inlet, slip mixing chamber Inner Front End lid 26 is provided with conical entrance kuppe 3; In mixing chamber, rear end cap 27 is provided with conical outlet kuppe 11, rear end cap 27 is also provided with multiplely be distributed in concentrically ringed grout outlet 12, the external slip conduit 31 of grout outlet; Described slip mixing chamber 30 is from stock inlet 4 to grout outlet 12 direction, successively by the first taper mixing chamber 5, cylindrical trunnion 6, second taper mixing chamber 29 and cylindrical pressure room 10 form, first taper mixing chamber 5 is the gradually little cone-shaped cavity in cross section, and the second taper mixing chamber 29 is the gradually large cone-shaped cavity in cross section; In the middle of the first taper mixing chamber 5 to the second taper mixing chamber 29, be provided with impeller axle 8, impeller axle 8 front end is connected with external motive device 2 through conical entrance kuppe 3 and slip mixing chamber drive end bearing bracket 26, and impeller axle 8 end is equipped with impeller 9; Mouth 7 of sizing mixing is provided with above described cylindrical trunnion 6.
The utility model is achieved in that to have certain pressure and the slip for preparing by a certain percentage enters in the first taper mixing chamber 5 from stock inlet 4, in this mixing chamber, form stronger turbulent flow and fully mix, slip inlet is by the external valve regulated of stock inlet 4, under the effect of entrance guiding cover 3, simultaneously by the negative relative effect that impeller 9 produces, slip produces acceleration in trunnion 6, the long-pending flow velocity raising pressure that reduces of the overflow section of cavity reduction simultaneously reduces, at this moment the external valve of mouth 7 of sizing mixing is closed, as dilution water or additive will be added, the external valve regulated can opening mouth 7 of sizing mixing adds, pulp flow enters in the second taper mixing chamber 29 after trunnion 6, at this moment cavity increases the reduction of overflow section long-pending increasing flow velocity, impeller 9 pairs of slips produce pressurization simultaneously, the rotating speed of the pressure size of slip and the adjustable motor 1 of flow velocity realizes, slip through pressurization boosts in cylindrical pressure room 10, slip after boosting is under the restriction exporting kuppe 11 and cylindrical pressure room 10 outer wall, slip is multiple from rear end cap to be distributed in concentrically ringed grout outlet 12 and to flow out, because multiple grout outlet 12 is distributed on the concentric circles of rear end cap 27, pressure is identical, therefore the pulp density flowed out by grout outlet 12 is identical, speed is identical and flow is identical, the slip flowed out by grout outlet is connected with the slurry inlet 32 in net cage 23 of the prior art and head box 24 by slip conduit 31, quantity and the arrangement mode of slip conduit 31 needed for slurry inlet 32 can determine according to need of production, multiply pressure, concentration, speed, single-point open channel of the prior art can be entered slurry mode and be improved to multiple spot pipeline pressure and enter slurry mode by the pulp flow that flow is identical, thus ensure that slip is along the uniformity of fabric width direction concentration and flow and uniformity.
The kinetic energy of impeller 9 is provided by power set 2, and impeller axle 8 transferring energy makes impeller 9 rotate the effect producing similar axial-flow pump.Entrance guiding cover 3 in slip mixing chamber 30 and outlet kuppe 11 are all designed to taper, and object is that mandatory guidance slurry flows toward surrounding, prevent slurry from producing whirlpool and fiber knotting.
In the above-described embodiments, described power set, the effect of impeller axle and impeller is to produce pressure pulp flow, for reaching this object, in practical operation, the slip prepared is adopted and to pump up or air compressor machine pressurization or the various ways such as high-order slip case pressurization are all feasible schemes
Fig. 5 is the design utilizing high-order slip case to produce pressure pulp flow, in the scheme of Fig. 5, eliminates the external motive device in above-described embodiment, impeller axle and impeller, but is consistent with effect of the present utility model and connotation.
In sum, utilize the technical solution of the utility model, slip can be made fully to mix and produce high pressure, thus flow out multiply concentration, speed, slip that flow is identical at grout outlet.Because the motion of slip and pressure process are totally-enclosed and be full of in the pipeline of slurries or space and carry out, so the material water isolation depositional phenomenon because Action of Gravity Field produces can not be there is, slurry stream main body flows with the form of turbulent flow simultaneously, the fiber secondary wadding that can not occur in slurry is poly-, and parts are easily processed, several cavitys of composition slip mixing chamber weld together after can processing separately, and therefore this equipment can provide for downstream section the slip that multiply concentration, speed, flow are identical.
The utility model is applied in actual production, slurry is flow to owing to adopting multiply pressure slurry, single-point open channel of the prior art can be entered slurry mode to be improved to multiple spot pipeline pressure and to enter slurry mode, ensure that along fabric width direction pulp density and uniform flow, thus make bed of material width thickness even, the production requirement that pulp density is 12 ~ 16% can be reached, realize double width and produce with the requirement significantly improving Quality and yield.
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 done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. an active slurry dispenser, it is characterized in that: described active slurry dispenser comprises frame, power set and slip mixing chamber, described power set and slip mixing chamber are arranged in frame, be provided with stock inlet above described slip mixing chamber front end, below stock inlet, slip mixing chamber Inner Front End covers and is provided with conical entrance kuppe; In mixing chamber, rear end cap is provided with conical outlet kuppe, rear end cap is also provided with multiple grout outlet be distributed on concentric circles, the external slip conduit of grout outlet; Described slip mixing chamber is from stock inlet to grout outlet direction, successively by the first taper mixing chamber, cylindrical trunnion, the second taper mixing chamber and cylindrical pressure room composition, first taper mixing chamber is the gradually little cone-shaped cavity in cross section, and the second taper mixing chamber is the gradually large cone-shaped cavity in cross section; In the middle of the first taper mixing chamber to the second taper mixing chamber, be provided with impeller axle, impeller axle front end is connected with external motive device through conical entrance kuppe and slip mixing chamber drive end bearing bracket, and impeller shaft end is equipped with impeller; Mouth of sizing mixing is provided with above described cylindrical trunnion.
2. the active slurry dispenser of one according to claim 1, is characterized in that: described power set, impeller axle and impeller, can be substituted produce pressure pulp flow by the high-order slip case of slip mixing chamber outside.
3. the active slurry dispenser of one according to claim 1, is characterized in that: described power set, impeller axle and impeller, can be substituted produce pressure pulp flow by slip mixing chamber external pump pressuring method.
4. the active slurry dispenser of one according to claim 1, is characterized in that: described power set, impeller axle and impeller, can be substituted produce pressure pulp flow by slip mixing chamber external air compressor pressuring method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684033.8U CN204224914U (en) | 2014-11-17 | 2014-11-17 | A kind of active slurry dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684033.8U CN204224914U (en) | 2014-11-17 | 2014-11-17 | A kind of active slurry dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204224914U true CN204224914U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420684033.8U Withdrawn - After Issue CN204224914U (en) | 2014-11-17 | 2014-11-17 | A kind of active slurry dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204224914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343036A (en) * | 2014-11-17 | 2015-02-11 | 张珣 | Active slurry distributor |
| CN105648827A (en) * | 2016-03-11 | 2016-06-08 | 韦周全 | Dry paper making device and method |
-
2014
- 2014-11-17 CN CN201420684033.8U patent/CN204224914U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343036A (en) * | 2014-11-17 | 2015-02-11 | 张珣 | Active slurry distributor |
| CN105648827A (en) * | 2016-03-11 | 2016-06-08 | 韦周全 | Dry paper making device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20161026 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |