CN109094095A - A method of cleaning screw extruder - Google Patents
A method of cleaning screw extruder Download PDFInfo
- Publication number
- CN109094095A CN109094095A CN201810881782.2A CN201810881782A CN109094095A CN 109094095 A CN109094095 A CN 109094095A CN 201810881782 A CN201810881782 A CN 201810881782A CN 109094095 A CN109094095 A CN 109094095A
- Authority
- CN
- China
- Prior art keywords
- screw extruder
- extruder
- ice
- screw
- method described
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of methods for cleaning screw extruder, comprising the following steps: ice is added into screw extruder from the feeding inlet of screw extruder；Screw extruder is run, until ice is discharged in the discharge port of screw extruder.The method of the present invention can effectively clean screw extruder, and discharge remains in the material in extruder.
Description
Technical field
The invention belongs to Field of Tobacco, and in particular to a method of cleaning screw extruder.
Background technique
Paper process prepares reconstituted tobacco and the tobacco wastes such as offal, offal and fragment, waste/hypo-tobacco leaf is mainly utilized to make substantially
Raw material produce reconstituted tobacco, such as reconstituted tobacoo by paper technology.
Screw squeezer is mainly used for the extraction slightly starched in reconstituted tobacco dewatering process and thickening.Screw squeezer is logical
The extracting solution for crossing in mechanical presses effect abjection slurry 80% or more, makes slurry concentration reach required concentration, is that one kind efficiently mentions
Take equipment.
Summary of the invention
One typical screw extruder is as shown in Figure 1 comprising helical axis 14 and extruder barrel 15, helical axis 14 are located at
In extruder barrel 15, and it is parallel with the axis of extruder barrel 15.The both ends of extruder barrel are respectively equipped with feed inlet 11 and discharge port
12。
When screw extruder works, the material entered from feed inlet 11 is located in the gap of helical axis 14 and machine barrel 15,
Advance under the promotion of helical axis 14 along extruder barrel, until being discharged from discharge port.
In some embodiments, screen cylinder is equipped in extruder barrel 15.Screen cylinder includes feed inlet section, fillter section, compression section
With discharge port section.Each section is steel plate framework structure, supports entire strainer into cylindrical shape by steel skeleton.
In some embodiments, the helical blade on helical axis 14 can be set to adjacent blades spacing and be gradually reduced, base
In this squeezing effect can be formed to material.
In some embodiments, screw extruder work when, after slurry enters spiral, from the rotation of spiral be pushed toward
Preceding movement.The spatial volume for accommodating material can be made to be gradually reduced by the spiral of setting variable diameter and/or varying pitch, and then squeezed
Slurry, by being discharged between spiral latter end and extruder top, filtrate is discharged by sieve by outer casing bottom slurry.
Inventors have found that gap 13 of screw extruder after production, between helical axis 14 and extruder barrel 15
There is remaining material at place, and discharge port 12 nearby also has salvage stores, these salvage stores may in screw extruder endometamorphism,
It is unfavorable for screw extruder to use next time.Inventor attempts that salvage stores is discharged by the method for the screw extruder that dallies, but
Salvage stores can not be cleaned out.Inventor is intended to be cleaned with the tools such as giant and iron brush, but due to extruder barrel
It is sealing, salvage stores can not be also cleaned out.
The disclosure provides a kind of method for cleaning screw extruder, comprising the following steps:
Ice is added into screw extruder from the feeding inlet of screw extruder；
Screw extruder is run, until ice is discharged in the discharge port of screw extruder.
In some embodiments, the screw extruder includes extruder barrel and helical axis, and helical axis is located at extruder
In cylinder, and the length direction of helical axis is parallel to the length direction of extruder barrel.
In some embodiments, helical axis is enclosed in extruder barrel.
In some embodiments, the side wall of extruder barrel is circumferentially closed, in the helical axis extruder barrel.
In some embodiments, screw extruder includes transmission device.Transmission device is for driving rotary shaft to rotate.It passes
Dynamic device may include motor, speed reducer and shaft coupling etc..
In some embodiments, screw extruder includes motor, and motor drives helical axis rotation, thus realize push,
The function of material in extruding, propelling worm extruder.
In some embodiments, the volume for ice being added into screw extruder is free space volumes in screw extruder
5% or more (such as 10% or more, such as 20% or more, such as 30% or more).The body of free space in screw extruder
Product refers to the volume in the space between helical axis and extruder barrel.
In some embodiments, the ice is spherical, blocky or sheet.Ice is solid, it runs in screw extruder
During can be crushed.So the form of ice can be arbitrary, as long as being able to enter between helical axis and extruder barrel
Space.
In some embodiments, size of the ice at least one dimension is greater than or equal to 2mm.
In some embodiments, one or more of ingredient: cleaning agent, preservative is also contained in the ice.Cleaning
Agent can be surfactant.Preservative can help to inhibit the microbial activities in screw extruder.
In some embodiments, the screw extruder is single-screw extruder or more screw extruders.
In some embodiments, the screw extruder is screw squeezer or acroll press washer.
In some embodiments, the screw extruder is industrial screw extruder.
In some embodiments, the screw extruder is paper grade (stock) screw extruder.
In some embodiments, the screw extruder is the screw squeezer for reconstituted tobacco dewatering process.
In some embodiments, the screw extruder is paper grade (stock) acroll press washer.
In the present invention, unless otherwise stated, Science and Technology noun used herein has art technology
The normally understood meaning of personnel institute.Also, laboratory operation step involved in herein is to be widely used in corresponding field
Conventional steps.Meanwhile for a better understanding of the present invention, the definition and explanation of relational language is provided below.
Beneficial effect
Disclosed method has one or more of following beneficial effect:
Cleaning effect is good；
Simple process；
It is at low cost；
Not injury device；
It is environmentally protective.
Embodiment of the present invention is described in detail below in conjunction with drawings and examples, still, art technology
Personnel will be understood that, following drawings and embodiment are merely to illustrate the present invention, rather than the restriction to the scope of the present invention.According to attached
The following detailed description of figure and preferred embodiment, various purposes of the invention and advantageous aspect carry out those skilled in the art
Saying will be apparent.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of a screw squeezer；
Fig. 2 shows the photos of a screw squeezer discharge port.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
It can be with conventional products that are commercially available.
Embodiment 1
Clean one production after screw extruder (WenRui Machinery (Shandong) Co., Ltd., ZLY700 single-screw squeeze
Pulp grinder), the device parameter is as shown in table 1 below.
Table 1
Ice cube (being made of water purification freezing, size >=2.5mm of at least one dimension of ice cube) is fed from screw extruder
Mouth 11 pours into.Screw extruder is run, and ice cube constantly is added to the feed inlet of screw extruder 11, to from 12 row of discharge port
Trash ice out completely without residue when, can stop adding ice cube to feeding inlet 11, continue to run extruder to discharge port 12 not
There is trash ice discharge again, that is, completes cleaning.Cleaning a rubble ice dosage is about 2-3m3。
Fig. 2 shows the photos of the discharge port 12 of screw extruder in a cleaning process.As shown, trash ice 31 by from
Discharge port 12 squeezes out, and speckles with salvage stores 32 on trash ice 31, this illustrates trash ice 31 effectively by salvage stores 32 from screw extrusion
It is carried out in machine.Based on this, the present embodiment method can effectively clean screw extruder, and salvage stores therein is discharged.
By above-described embodiment method clean screw extruder after, in extruder may remnants have several trash ices.For squeezing
Press cylinder 15 is equipped with the screw extruder of discharge outlet, and trash ice can be arranged after dissolving into water by the discharge outlet in extruder barrel 15
Out, it does not influence to produce next time.
For also can be from extruder after there is no the screw extruder of discharge outlet, remaining trash ice to dissolve into water in extruder barrel
The discharge port outflow of cylinder, does not influence to produce next time.
Again even so, even if there is several trash ices that cannot be discharged from extruder, since the dissolved water of trash ice is clean
, it will not be easy to happen as salvage stores and addle rotten, and then nor affected on and produce next time.
According to above embodiments it is found that disclosed method can effectively clean screw extruder.This method is suitable for appointing
What screw extruder (screw extruder either for pushing, being dehydrated or squeeze, either screw squeezer or spiral
Press master), it is particularly suitable for large-scale spiral extruder.Those skilled in the art can deduce that method of disclosure can not only fit
For single-screw extruder, more screw extruders (such as double-screw extrusion machine) is applied also for.
Although a specific embodiment of the invention has obtained detailed description, those skilled in the art will appreciate that root
According to all introductions having disclosed, details can be carry out various modifications and be changed, and these change in guarantor of the invention
Within the scope of shield.Full scope of the invention is given by the appended claims and any equivalents thereof.
Claims (9)
1. a kind of method for cleaning screw extruder, comprising the following steps:
Ice is added into screw extruder from the feeding inlet of screw extruder；
Screw extruder is run, until ice is discharged in the discharge port of screw extruder.
2. helical axis, which is located at, to be squeezed according to the method described in claim 1, the screw extruder includes extruder barrel and helical axis
In press cylinder, and the length direction of helical axis is parallel to the length direction of extruder barrel.
3. according to the method described in claim 1, the volume that ice is added be 5% of free space volumes in screw extruder with
On.
4. according to the method described in claim 1, the ice is blocky or sheet.
5. according to the method described in claim 1, size of the ice cube at least one dimension is greater than or equal to 2mm.
6. according to the method described in claim 1, also containing one or more of ingredient: cleaning agent, preservative in the ice.
7. according to the method described in claim 1, the screw extruder is single-screw extruder or more screw extruders.
8. according to the method described in claim 1, shown screw extruder is screw squeezer.
9. according to the method described in claim 1, the screw extruder is extracted for the spiral of reconstituted tobacco dewatering process
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810881782.2A CN109094095A (en) | 2018-08-06 | 2018-08-06 | A method of cleaning screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810881782.2A CN109094095A (en) | 2018-08-06 | 2018-08-06 | A method of cleaning screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109094095A true CN109094095A (en) | 2018-12-28 |
Family
ID=64848681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810881782.2A Pending CN109094095A (en) | 2018-08-06 | 2018-08-06 | A method of cleaning screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109094095A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1375433A1 (en) * | 1986-01-10 | 1988-02-23 | Киевский Институт Инженеров Гражданской Авиации Им.60-Летия Ссср | Arrangement for cleaning surfaces |
| US6638062B1 (en) * | 2002-09-13 | 2003-10-28 | Michael P. Davidson | Sand and stone screw heater |
| CN202436091U (en) * | 2012-02-22 | 2012-09-19 | 重庆恒远晋通科技有限公司 | Drying device for tobacco waste |
| CN107696572A (en) * | 2017-05-20 | 2018-02-16 | 安徽中烟再造烟叶科技有限责任公司 | The cleaning method of single-screw press master |
-
2018
- 2018-08-06 CN CN201810881782.2A patent/CN109094095A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1375433A1 (en) * | 1986-01-10 | 1988-02-23 | Киевский Институт Инженеров Гражданской Авиации Им.60-Летия Ссср | Arrangement for cleaning surfaces |
| US6638062B1 (en) * | 2002-09-13 | 2003-10-28 | Michael P. Davidson | Sand and stone screw heater |
| CN202436091U (en) * | 2012-02-22 | 2012-09-19 | 重庆恒远晋通科技有限公司 | Drying device for tobacco waste |
| CN107696572A (en) * | 2017-05-20 | 2018-02-16 | 安徽中烟再造烟叶科技有限责任公司 | The cleaning method of single-screw press master |
Non-Patent Citations (1)
| Title |
|---|
| 徐兵: "《机械装配技术》", 31 August 2014, 中国轻工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017166939A1 (en) | Dynamic anti-blockage pre-treatment dehydration device for kitchen waste | |
| JP2010099643A (en) | Compression deliquoring device | |
| CN114558654A (en) | Cutting and crushing equipment for recovering aluminum scrap | |
| CN212998738U (en) | Sludge discharge device for sewage treatment | |
| CN205130452U (en) | Squeezer | |
| CN109094095A (en) | A method of cleaning screw extruder | |
| CN209348213U (en) | Filter press is used in a kind of production of seaweed delicate flavour liquid | |
| CN103978719A (en) | Solid-liquid separation device for kitchen waste treatment equipment | |
| CN217834836U (en) | Compound soybean milk residue squeezing machine | |
| CN204034417U (en) | Chemical industry equipment for separating liquid from solid | |
| CN203125984U (en) | Solid-liquid separation device for dining room and kitchen waste processing device | |
| CN210030522U (en) | Starch glue extraction element | |
| JP5453623B2 (en) | Screw press type dehydrator | |
| CN104258621B (en) | Multilayer volume press filtration belt deep sludge dehydrator | |
| CN210617376U (en) | Belt-crushing double-screw squeezer | |
| CN110715513B (en) | Extrusion type dehydration equipment for activated carbon raw materials | |
| CN210613087U (en) | Mud loosening device of belt filter press | |
| CN209711304U (en) | A kind of novel bone and flesh separator | |
| CN209384009U (en) | Acroll press washer structure for paper pulp filter-press dehydration | |
| CN208087583U (en) | A kind of red hayberry wine separation equipment | |
| CN207643777U (en) | A kind of pressafiner | |
| CN105996714A (en) | Large-diameter original juice machine | |
| CN208131217U (en) | A kind of extractor of aloe juice extraction | |
| CN218076488U (en) | Draw multi-functional jar of extracting of animal remedy | |
| CN111545317A (en) | Shredded paper scrap collecting device with efficient compression function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |
|
| RJ01 | Rejection of invention patent application after publication |