CN202247511U - Constant-quantity and constant-pressure pulp beating device of disc grinder - Google Patents
Constant-quantity and constant-pressure pulp beating device of disc grinder Download PDFInfo
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- CN202247511U CN202247511U CN2011203743065U CN201120374306U CN202247511U CN 202247511 U CN202247511 U CN 202247511U CN 2011203743065 U CN2011203743065 U CN 2011203743065U CN 201120374306 U CN201120374306 U CN 201120374306U CN 202247511 U CN202247511 U CN 202247511U
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Abstract
The utility model relates to the field of papermaking, and particularly to a constant-quantity and constant-pressure pulp beating device of a disc grinder. The constant-quantity and constant-pressure pulp beating device of the disc grinder comprises the following components: a pulp inlet header pipe, a mixer, a disc-grinding pulp inlet pipe, a disc grinder, a disc-grinding outlet pipe and a control valve. The pulp inlet header pipe is connected with the mixer. The mixer is connected with the disc grinder through the disc-grinding pulp inlet pipe. The disc-grinding pulp outlet pipe is connected with the disc grinder. The control valve is equipped on the disc-grinding pulp outlet pipe. The disc-grinding pulp outlet pipe is connected with a backflow pipe. The bottom of the backflow pipe is connected with the mixer. The constant-quantity and constant-pressure pulp beating device of the disc grinder has the following advantages: causing smooth paper pulp conveying flow and pressure of a series connected type disc-grinding pulp beating system, effectively improving series pulp beating effect of the disc grinder, effectively reducing specific beating pressure, greatly prolonging service life of the grinding teeth of the grinding disc, reducing energy consumption in pulp beating, improving pulp beating quality, improving papermaking performance and quality of finished paper.
Description
Technical field
The utility model relates to a kind of field of papermaking, relates in particular to a kind of disc mill constant level pressure beating apparatus.
Background technology
Disc mill is claimed multigraph press or disc pulping machine again, is a kind of continuous beating equipment in the paper industry, comprises that cast iron casing and a pair of or three surfaces are carved with the metal of knife mark or the disk of grinding stone.Slurry relies on gravity or pressure to get between disk, receives the friction of rotary disk, the making beating effect of rubbing stone roller with the hands, and is discharged around mill by centrifugal force, can several series connection use.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.The gentle plasticity of fiber changes because the existence of mill series connection beating process process, slurry are kowtowed in the process of separating, and causes pressure, the flow of pulp layer between each mill, the pulsation of thickness, all can the quality of product be impacted.Therefore, control panel grinding machine mill district pressure stability has crucial meaning to guaranteeing the stable of disc mill refining pulp quality with energy savings.
Chinese invention patent application (application number: 200910192224.6 applyings date: 2009-09-11) disclose the voltage stabilization and current stabilization device that is used for the medium consistency refining charging; This device with in the feed end of dense disc mill be connected; Comprise be connected in dense pump and buffer; The entrance point of buffer through pipeline with in dense pump be connected, the port of export of buffer pass through pipeline with in dense disc mill be connected; The said buffer entrance point and the port of export be respectively equipped be used to control pulp flow advance to starch control valve and pulp control valve.
Chinese invention patent application (application number: 200910036721.7 applyings date: 2009-01-16) disclose disc mill constant level pressure methods of beating and device thereof; This method is in pulping process; Keep centrifugal stock pump to supply slurry through the constant current constant voltage device according to setting value constant constant voltage; Plant according to different slurries simultaneously, set beating pressure through the pressure of adjustment disk grinding machine hydraulic system pressure regulator valve and realize.This device comprises vertical stock tank, slurry supply pump, constant current constant voltage device and disc mill; Its slurry supply pump is centrifugal stock pump of ACP type or MCP type middle underflow pump; The constant current constant voltage device has overflow-type constant current constant voltage device and air-cushion type constant current constant voltage device; Slurry supply pump is connected with the constant current constant voltage device through flow inlet, and wherein overflow-type constant current constant voltage device has return duct to be connected with vertical stock tank, and the constant current constant voltage device is connected with the disc mill import through flow inlet.
Chinese invention patent application (application number: 03126695.9 applying date: 2003-05-28) disclose Disc Grinder Isopiestic Pressure Pulping Method And Device and be specially in pulping process; Mill district pressure keeps constant according to setting value, and making beating intensity is by the size control of mill district pressure; A kind of disc mill constant voltage beating apparatus; Comprise Moving plate, quiet dish, main shaft, hydraulic cylinder, piston, thrust tube, Pressure control member; Piston is installed in the hydraulic cylinder and positioning sleeve is connected on outside the thrust tube, and thrust tube positioning sleeve is connected on outside the main shaft and with the Pressure control member and is connected.
Summary of the invention
For control panel grinding machine mill district pressure stability, the purpose of the utility model provides a kind of disc mill constant level pressure beating apparatus.The utility model makes tandem mill refining system paper pulp feed flow and pressure steady, effectively improves disc mill series connection beating results, has effectively fallen at the end big slurry specific pressure; Prolonged the service life of mill roll flute greatly; Reduce beating energy consumption, improve refining pulp quality, improve papermaking properties and quality of finished paper.
To achieve these goals, the technical scheme below the utility model has adopted:
The device of disc mill constant level pressure making beating; This device comprises into slurry house steward, blender, mill pulp-inlet pipe, disc mill, mill grout outlet and control valve, advances to starch house steward and is connected with blender, and blender is connected with disc mill through the mill pulp-inlet pipe; The mill grout outlet is connected on the disc mill; Control valve is arranged on the mill grout outlet, is connected with return duct on the mill grout outlet, and the end of return duct is connected to blender.
As further improvement, above-mentioned return duct is arranged on the front end of control valve, and return duct is connected with the bottom of described blender, and return duct is provided with control valve.
As further improvement, above-mentioned mill pulp-inlet pipe is made up of two arms, and two mill pulp-inlet pipe arms are separately positioned on the sidepiece top of blender, and are connected to described disc mill respectively.
The utility model is kowtowed the part slurry in the conveyance conduit after separating through dish circulation making beating method of feeding with the mill making beating, turns back to the mill import through reflux.The return line import is arranged on the mill exit and the blender bottom links; Utilize mill grout outlet pressure, the backflow slurry is mixed with the slurry that advances to starch house steward, two arms are arranged at blender top; Be connected with disc mill, mixed slurry entering mill is kowtowed and is separated.Between return duct and blender, control valve is housed, control backflow of slurry amount.The utility model has regulated effectively that mill series connection beating process process exists, and because of slurry is kowtowed in the process of separating because the gentle plasticity of fiber changes, and causes pressure, the flow of pulp layer between each mill, the pulsation of thickness; Make in the pulping process to keep the constant of mill district pressure, guarantee that every mill all can work under a metastable flow and pressure, make tandem mill refining system paper pulp feed flow and pressure steady; Effectively improve disc mill series connection beating results; Effectively fall at the end big slurry specific pressure, prolonged the service life of mill roll flute greatly, reduced beating energy consumption; Improve refining pulp quality, improve papermaking properties and quality of finished paper.This has, and the member of composition is few, and assembling is simple, and it is convenient to implement, and adaptability is advantage preferably.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done a detailed explanation.
The device of disc mill constant level pressure making beating as shown in Figure 1, this device comprises into slurry house steward 1, blender 2, mill pulp-inlet pipe 3, disc mill 4, mill grout outlet 5 and control valve 6, advances to starch house steward 1 and is connected with blender 2; Blender 2 is connected with disc mill 4 through mill pulp-inlet pipe 3; Mill pulp-inlet pipe 3 is made up of two arms, and two mill pulp-inlet pipe 3 arms are separately positioned on the sidepiece top of blender 2, and are connected to described disc mill 4 respectively; Mill grout outlet 5 is connected on the disc mill 4; Control valve 6 is arranged on the mill grout outlet 5, is connected with return duct 7 on the mill grout outlet 5, and return duct 7 is arranged on the front end of control valve 6; Return duct 7 is connected with the bottom of described blender 2, and return duct 7 is provided with control valve 8.
The utility model is kowtowed the part slurry in the conveyance conduit after separating with the mill making beating, turns back to blender 2 through return duct 7.Utilize mill grout outlet pressure, the backflow slurry is mixed with the slurry that advances to starch house steward 1, mixed slurry entering mill is kowtowed and is separated.At return duct and 2 in blender control valve 8 is housed, control backflow of slurry amount.
Claims (3)
1. the device of disc mill constant level pressure making beating; This device comprises into slurry house steward, blender, mill pulp-inlet pipe, disc mill, mill grout outlet and control valve, and the slurry house steward is connected with blender, and blender is connected with disc mill through the mill pulp-inlet pipe; The mill grout outlet is connected on the disc mill; Control valve is arranged on the mill grout outlet, it is characterized in that: be connected with return duct on the mill grout outlet, the end of return duct is connected to blender.
2. the device of disc mill constant level pressure making beating according to claim 1, it is characterized in that: return duct is arranged on the front end of control valve, and return duct is connected with the bottom of described blender, and return duct is provided with control valve.
3. the device of disc mill constant level pressure making beating according to claim 1 and 2, it is characterized in that: the mill pulp-inlet pipe is made up of two arms, and two mill pulp-inlet pipe arms are separately positioned on the sidepiece top of blender, and are connected to described disc mill respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203743065U CN202247511U (en) | 2011-09-30 | 2011-09-30 | Constant-quantity and constant-pressure pulp beating device of disc grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203743065U CN202247511U (en) | 2011-09-30 | 2011-09-30 | Constant-quantity and constant-pressure pulp beating device of disc grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247511U true CN202247511U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203743065U Expired - Fee Related CN202247511U (en) | 2011-09-30 | 2011-09-30 | Constant-quantity and constant-pressure pulp beating device of disc grinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN202247511U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-09-30 CN CN2011203743065U patent/CN202247511U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 324400 No. 30 Jinxing Avenue, Longyou Industrial Park, Quzhou, Zhejiang Patentee after: ZHEJIANG KAIFENG NEW MATERIAL CO., LTD. Address before: 324400 Zhejiang Province, Quzhou city Longyou County Industrial Park (North) Zhejiang Kaifeng Paper Co. Ltd. Patentee before: Zhejiang Kaifeng Paper Industry Co., Ltd. |
|
| 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: 20120530 Termination date: 20180930 |