CN202315834U - Sludge granulator with movable scraper - Google Patents
Sludge granulator with movable scraper Download PDFInfo
- Publication number
- CN202315834U CN202315834U CN2011204673765U CN201120467376U CN202315834U CN 202315834 U CN202315834 U CN 202315834U CN 2011204673765 U CN2011204673765 U CN 2011204673765U CN 201120467376 U CN201120467376 U CN 201120467376U CN 202315834 U CN202315834 U CN 202315834U
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- Prior art keywords
- breaker roll
- tooth
- cylindrical shell
- roll
- sludge
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Abstract
The utility model relates to a scraper technology and discloses a sludge granulator with a movable scraper. The sludge granulator comprises a cylindrical drying granulation barrel, a sludge material feed port, a sludge particle discharge port, an arch breaking device and two or more rows of tooth-shaped counter rollers, wherein the sludge material feed port and the sludge particle discharge port are located on the barrel; the arch breaking device is arranged at the upper part of the barrel and located below the feed port; the two or more rows of tooth-shaped counter rollers are arranged in the barrel; a heat source inlet/outlet is arranged at the middle of each roller of the tooth-shaped counter rollers through a rotary joint; a movable scraper is arranged below each roller of the tooth-shaped counter rollers respectively; the tail end of the movable scraper is connected with a movable rotation shaft, and the connection point deviates from the axle center of the movable rotation shaft; and one end of a blade is placed against the surface of the roller. The sludge granulator disclosed by the utility model has a simple and reasonable structure, seamless joint between the movable scrapers and the tooth-shaped counter rollers is realized, and the material drying efficiency is improved.
Description
Technical field
The utility model relates to a kind of technique, especially relates to a kind of movable scraper that is applicable to the roll of with groove.
Background technology
Mud is meant the organic and minority inorganic wastes that city domestic sewage factory deposition is separated out mostly.Owing to there is flocculant; The organic matter that its moisture that contains is flocculated mostly is included in the molecular structure gap, and is moisture in we are referred to as, and is difficult to be removed; The existing mechanical dewatering; All can only dewater like horizontal centrifugal dehydration, plate compression, belt press filtration,, also can only dewater to solid content 30～40% even adopt the mud after the elevated temperature heat hydrolysis to solid content 18～22%.In order to make mud can meet the requirement of our follow-up disposing technique, also must use the method for heat energy to slough portion of water, to adapt to the requirement of landfill or burning.
In the drying sludge process; For preventing that wet stock is attached on the drying device, hinder carrying out smoothly of dry run, reduce operating efficiency; Need scraper be set on the drying device surface, be used for removing on the equipment surface, scraping, or remove bad deposit or particle.
Scraper is widely used in various apparatus surfaces removing all contaminations from the drying sludge flow process, is particularly useful for various rolls, pressure roller.Though traditional scraper is used to eliminate the pollutant of roller surfaces, it is thorough cleaning roller sub-surface usually.Most cases, traditional spring doctor intermittently acts on the roller surfaces usually, but deposit generally can form again beyond action time.Such deposit is difficult for being removed by scraper usually.In addition, traditional scraper is very limited to the cleaning action of the profile of tooth roll that has groove, in this case; The angle that operating personnel often need adjust scraper just might clean each corner of roll groove; But as far as production, this method is inefficiency often, and is inoperative often.
The utility model content
The purpose of the utility model provides a kind of sludge granulator with movable scraper, and it is simple and reasonable, and energy consumption is low; Effect is high; Utilize physical principle, realize the slitless connection of movable scraper and profile of tooth breaker roll, improve dry materials efficient; Convenient more follow-up process effectively reduces kinetic energy, thermal energy consumption.Concrete technical scheme is following:
A kind of sludge granulator with movable scraper comprises:
The drying particles cylindrical shell of drum type brake hollow structure;
Be positioned at mud material feeding mouth and mud granule discharging opening on the cylindrical shell;
Be arranged on cylindrical shell top, the arch breaking apparatus of feeding mouth below;
Be arranged in the cylindrical shell two or more rows flute profile breaker roll;
Each roll middle part at said profile of tooth breaker roll is provided with thermal source through swivel coupling and imports and exports the heated roll outer surface;
Under each roll of said profile of tooth breaker roll, be respectively equipped with a movable scraper, be used to clear up the roller surface residue; Movable rotation-shaft of the terminal connection of said movable scraper; Tie point departs from the movable rotation-shaft axle center, and blade one end and roller surface offset, when the profile of tooth breaker roll is worked; Because roller surface is provided with groove; Drive movable scraper during roll rotation and move, drive movable rotation-shaft simultaneously and rotate, guarantee that through effect of inertia movable scraper contacts profile of tooth breaker roll surface continually and steadily.
Further, described arch breaking apparatus is cut apart part flow arrangement by one and is constituted, and comprises at least 3 broken arch blades, and said broken arch blade outer end is downward, forms certain angle with horizontal line, and the inner is fixedly connected on the transmission main shaft; Said transmission main shaft and reducing motor are direct-connected, and are fixed on the cylindrical shell top.Break the rotation of arch blade through the transmission main shaft drive, sewage sludge feed is formed shunt centrifugation effect power, thereby prevent the material bridge formation.
Said flute profile breaker roll drives power drive by an identical electricity, makes each roll have unequal angular velocity; Described two or more rows flute profile breaker roll up-down structure in cylindrical shell is arranged; The profile of tooth breaker roll diameter that is positioned at the top is less than the diameter of profile of tooth breaker roll that is positioned at the below, object-line speed when object-line speed is less than the rotation of next toothrow type breaker roll when making the rotation of a toothrow type breaker roll.
Preferably, be provided with a hot gas air inlet in the bottom of its cylindrical shell; Be provided with at least one air outlet on the top of its cylindrical shell; Its barrel wall is provided with gas guide board.Utilize hot-air thermal source to be provided for the unloaded part of cylindrical shell.
Preferably, the layout of described flute profile breaker roll can be that single-row many rows or multiple row are arranged more, can set according to actual drying particles needs.
Preferably, the discharging opening at its cylindrical shell is provided with a discharge device.
Preferably, this comminutor also is provided with access door, peep hole, air preheater, preheated air control valve, air-introduced machine parts.
A kind of sludge granulator with movable scraper of the utility model has following beneficial effect: (1) is simple and reasonable, can effectively remove profile of tooth breaker roll surface attachments, increases work efficiency; (2) the product solid content is adjustable, is applicable to various wet stocks of different nature, has higher flexibility; (3) thermal efficiency is high, and heat loss is few, has improved the device processes ability greatly, thereby reduces operating cost.
Description of drawings
Fig. 1 is the structural representation of the sludge granulator of the utility model band movable scraper;
Fig. 3 is the sketch map of the another kind of form of the local section that cutd open along A-A line among Fig. 1;
Fig. 4 is the local section sketch map that is cutd open along B-B line among Fig. 1;
Wherein: 1-cylindrical shell, 2-feeding mouth, 3-discharging opening, 4-arch breaking apparatus, the broken arch of 41-blade, 42-transmission main shaft; The 5-first toothrow type breaker roll, the 6-second toothrow type breaker roll, 7-the 3rd toothrow type breaker roll, the 8-movable scraper, the 9-movable rotation-shaft, the 10-thermal source is imported and exported; 11-hot gas air inlet, 12-air outlet, 13-gas guide board, 14-discharge device, 15-travelling gear, 16-travelling gear; The 17-idler gear, 19-meshes forming tank, 20-thermal source medium, the 21-flank of tooth, the 22-flank of tooth, 23-roll wall.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the structure of the utility model is done further explanation.
Referring to figure I, the utility model embodiment comprises:
The drying particles cylindrical shell 1 of drum type brake hollow structure.
Be positioned at mud material feeding mouth 2 and mud granule discharging opening 3 on the cylindrical shell 1.
Be arranged on cylindrical shell top, the arch breaking apparatus 4 of feeding mouth 2 belows.
Be arranged in the cylindrical shell the first toothrow type breaker roll 5, the second toothrow shape breaker roll 6 and the 3rd toothrow shape breaker roll 7.
Each roll middle part at said profile of tooth breaker roll is provided with thermal source through swivel coupling and imports and exports 10, is used for the heated roll outer surface.
Under each roll of said profile of tooth breaker roll, be respectively equipped with a movable scraper 8, be used to clear up the roller surface residue; Movable rotation-shaft 9 of said movable scraper 8 terminal connections; Tie point departs from movable rotation-shaft 9 axle center, and blade one end and roller surface offset, when the profile of tooth breaker roll is worked; Because roller surface is provided with groove; Drive movable scraper 8 during roll rotation and move, drive movable rotation-shaft 9 simultaneously and rotate, guarantee movable scraper 8 continual and steady contact profile of tooth breaker roll surfaces through effect of inertia.
Said flute profile breaker roll drives power drive by an identical electricity, makes each roll have unequal angular velocity; The described first toothrow type breaker roll 5, the second toothrow shape breaker roll 6 and the 3rd toothrow shape breaker roll 7 up-down structure in cylindrical shell is arranged; The diameter of the first toothrow type breaker roll 5 is less than the diameter of the second toothrow shape breaker roll 6; The diameter of the second toothrow type breaker roll 6 is less than the diameter of the 3rd toothrow shape breaker roll 7, and object-line speed once becomes big from top to bottom when making the rotation of flute profile breaker roll.
Described arch breaking apparatus 4 is cut apart part flow arrangement by one and is constituted, and comprises at least 3 broken arch blades 41, and said broken arch blade 41 outer ends are downward, form certain angle with horizontal line, and the inner is fixedly connected on the transmission main shaft 42; Said transmission main shaft 42 is direct-connected with reducing motor, and is fixed on cylindrical shell 1 top.Break 41 rotations of arch blade through transmission main shaft 42 drives, sewage sludge feed is formed shunt centrifugation effect power, thereby prevent the material bridge formation.
Be provided with a hot gas air inlet 11 in the bottom of cylindrical shell 1; Be provided with at least one air outlet 12 on the top of cylindrical shell 1; Cylindrical shell 1 wall is provided with gas guide board 13.Utilize hot-air thermal source to be provided for cylindrical shell 1 unloaded part.
Discharging opening at its cylindrical shell is provided with a discharge device 14.
The operation principle of the utility model is following:
, after feeding mouth 2 entering of its cylindrical shell 1 upper end, prevent the material bridge formation and material is fallen in the roller groove of the first toothrow shape breaker roll 5 at the mud material through arch breaking apparatus 4.
When the engaging tooth shape breaker roll rotates in opposite directions; The local material in edge that places the flank of tooth 21 is because the function of friction of gravity and local tooth top; Along with the rotation of tooth is pulled in the axial groove that presss from both sides two discaling rolls and continue to move downward in getting into the profile of tooth engaging groove formation bar naturally; To different material can select discaling roll diameter reasonable in design with the vector that satisfy to suck frictional force and strip plastic force and balance, make the strip plastic force be minimum.To the impurity (like the fragment of brick in the river course mud) that irregular lump is arranged in some software, different roller diameters can also be set simultaneously, make it play the effect of letter sorting.
Meanwhile import of the conduction of the thermal source (steam or heat conduction wet goods) of roll inner chamber into through profile of tooth breaker roll wall; Profile of tooth breaker roll wall absorbs internal heat resource (or hot-air supply with heat energy) energy stored moment and conducts to the material surface when unloaded zone, because the temperature difference is very big, heat conduction velocity is fast; Material sharply is heated; Heating up rapidly in the strip particle surface, and owing to anxious heat effect, makes between material epidermis and the engaging tooth groove face and form steam blanket; Phenomenons such as blast crackle, epidermis embrittlement, the rapid contraction of volume appear in material, and the generation of this crackle, crackling and volume contraction can be deviate from the bar shaped material naturally under the effect of gravity from teeth groove.The high steam film that forms when the bar shaped material is heated (surface) in groove; Has the ability of isolating bar shaped material and groove bottom; And because the profile of tooth groove is provided with draft angle; The strip material of surface mummification embrittlement is discharged groove naturally under the gravity effect, accomplish the mummification of first step profiled surface, embrittlement process.
The bar of the drying of above-mentioned epidermis embrittlement with crackle is because material viscosity big (or other characteristic), contained humidity (solvent) have a part overflow in the molecular structure in moisture (crystallization water or other), the ability that causes granule interior moisture (or solvent) to shift to the outside is relatively poor; High temperature heat radiation, the convection current in discaling roll noncontact material zone simultaneously, heat radiation, the convection current of cylindrical shell 1 part, the heat convection of internal gas makes the material surface of above-mentioned disengaging engagement forming tank 19 still continue evaporation; Therefore at short notice; The epidermis of embrittlement can be by counter tide, gets into the second toothrow shape breaker roll 6 not falling the back, is pulled in the teeth groove; The flank lines velocity ratio first toothrow shape breaker roll 5 height of the second toothrow shape breaker roll 6; Behind the rectangular entering second toothrow shape breaker roll 6 of the material that has been shaped, because linear differential, material also freely drops on the second toothrow shape breaker roll 6 by rectangular being broken by grain; This freely falling body causes on the rectangular random flank of tooth 22 that is distributed in the second toothrow shape breaker roll 6 of material; Cut off to be formed short strip or random particle by second roller of pushing aside, these materials are in second row's roller teeth groove, and the surface is equally by rapid heating; Material particles quilt isolation and embrittlement, cracking, sclerosis owing to the effect of high steam film equally is when the shaping movement of particles arrives the effect disengaging roller seating space of bottom owing to gravity.As stated, when getting into the 3rd toothrow type breaker roll 7, strip is shorter, and particle is more even, and particle surface has obtained embrittlement better, cracking, sclerosis.
Cylindrical shell 1 inner tooth type breaker roll, promptly the heat medium of the first toothrow type breaker roll, 5, the second toothrow type breaker rolls, 6, the three toothrow type breaker rolls 7 or the like is to supply with hot blasts through the thermal source import and export 10 or the hot gas air inlet 11 of thermal source swivel coupling.
Cylindrical shell I inner tooth type breaker roll; The i.e. first toothrow type breaker roll 5; The kind of drive of the second toothrow type breaker roll, 6, the three toothrow type breaker rolls 7 can adopt the gear structure of side position, and idler gear 17 as shown in Figure 1, travelling gear 15, travelling gear 16 carry out multistage transmission; And the maintenance unequal angular velocity, also can take other form transmission certainly.The diameter D of described profile of tooth breaker roll
1D
2... D
nRelation be: the diameter of each profile of tooth breaker roll from top to bottom increases gradually, i.e. D
1＜D
2＜...＜D
n
Referring to Fig. 2 to 4, accompanying drawing shows the design structure and the engagement situation signal situation of roll profile of tooth, and wherein Fig. 2 shows the structure of the flank of tooth 21, and Fig. 3 shows the structure of the flank of tooth 22.Fig. 4 shows the engagement situation.19 are the engagement forming tank among its Fig. 2 to 4, and 20 is the thermal source medium, and 23 is the roll wall, in addition:
A: the facewidth
B: tooth depth
C: the circle center is to the distance of the flank of tooth at the bottom of the tooth
R (or r): radius of circle at the bottom of the tooth: 0-a/2
Y: draft angle: 0-positive
D: roll outside diameter: confirming as required, can be equivalence or non-equivalence
δ: the engaging tooth spivot is to the gap
ε: engagement crown radial clearance
Referring to Fig. 1, described toothed blade 9 can be to install by this way, but is not limited to this again.Wherein (on section radially):
α: the angle of the vertical symmetry center line of tooth top cusp and roll axial connecting line and the roll heart: a certain numerical value of 0-(fixed as required).
β: the angle of the tangent line of (or cylindrical) face at the bottom of gear piece bottom surface and the crown point place tooth: a certain numerical value of 0-(fixed as required).
The layout of described flute profile breaker roll can be single-row many rows, and is as shown in Figure 1, also can be that multiple row is arranged more.
Arch breaking apparatus 4 is installed on the top of the first toothrow shape breaker roll 5; Its broken arch blade 41 outer ends are downward-sloping; Form certain angle with horizontal line, transmission main shaft 42 drives broken arch blade 41 rotations, and sewage sludge feed is formed shunting centrifugation effect power; Thereby prevent mud material bridge formation, and evenly fall into the first toothrow shape breaker roll.
When needs sort out the inner big lump of granulating raw material, profile of tooth breaker roll diameter that can be reasonable in design according to rerum natura.
Gas is discharged mode in the cylindrical shell 1, can be airtight negative pressure adjusted and controlled air inducing, also can be that the form of distributing is extracted or opened wide to vacuum out.If when needing to replenish air inlet, air preheating system can be set.If when needing in the control comminutor gas constituent content, corresponding monitoring system can be set.Perhaps also can be by bypass being set in the closed circuit circulatory system to discharge boil-off gas.
Utilize the utility model can reach following beneficial effect: (1) is simple and reasonable, can effectively remove profile of tooth breaker roll surface attachments, increases work efficiency; (2) the product solid content is adjustable, is applicable to various wet stocks of different nature, has higher flexibility; (3) thermal efficiency is high, and heat loss is few, has improved the device processes ability greatly, thereby reduces operating cost.
To one skilled in the art, can be expressly understood very much specific embodiment through above explanation.The utility model does not limit therewith, all technological thoughts according to the utility model, and the difference of on the technical scheme basis, being done changes, and all falls within the protection domain of the utility model.
Claims (7)
1. sludge granulator with movable scraper comprises:
The drying particles cylindrical shell of drum type brake hollow structure;
Be positioned at mud material feeding mouth and mud granule discharging opening on the cylindrical shell;
Be arranged on cylindrical shell top, the arch breaking apparatus of feeding mouth below;
Be arranged in the cylindrical shell two or more rows flute profile breaker roll;
Each roll middle part at said profile of tooth breaker roll is provided with thermal source through swivel coupling and imports and exports the heated roll outer surface;
It is characterized in that: under each roll of said profile of tooth breaker roll, be respectively equipped with a movable scraper, be used to clear up the roller surface residue; Movable rotation-shaft of the terminal connection of said movable scraper, tie point departs from the movable rotation-shaft axle center, and blade one end and roller surface offset.
2. the sludge granulator of band movable scraper according to claim 1 is characterized in that: said flute profile breaker roll drives power drive by an identical electricity, makes each roll have unequal angular velocity; Described two or more rows flute profile breaker roll up-down structure in cylindrical shell is arranged; The profile of tooth breaker roll diameter that is positioned at the top is less than the diameter of profile of tooth breaker roll that is positioned at the below, object-line speed when object-line speed is less than the rotation of next toothrow type breaker roll when making the rotation of a toothrow type breaker roll.
3. the sludge granulator of band movable scraper according to claim 1; It is characterized in that: described arch breaking apparatus is cut apart part flow arrangement by one and is constituted; Comprise at least 3 broken arch blades; Said broken arch blade outer end is downward, forms certain angle with horizontal line, and the inner is fixedly connected on the transmission main shaft; Said transmission main shaft and reducing motor are direct-connected, and are fixed on the cylindrical shell top.
4. the sludge granulator of band movable scraper according to claim 1 is characterized in that: be provided with a hot gas air inlet in the bottom of its cylindrical shell; Be provided with at least one air outlet on the top of its cylindrical shell; Its barrel wall is provided with gas guide board.
5. the sludge granulator of band movable scraper according to claim 1 is characterized in that: the layout of described flute profile breaker roll can be that single-row many rows or multiple row are arranged more.
6. the sludge granulator of band movable scraper according to claim 1 is characterized in that: the discharging opening at its cylindrical shell is provided with a discharge device.
7. the sludge granulator of band movable scraper according to claim 1 is characterized in that: this comminutor also is provided with access door, peep hole, air preheater, preheated air control valve, air-introduced machine parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204673765U CN202315834U (en) | 2011-11-18 | 2011-11-18 | Sludge granulator with movable scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204673765U CN202315834U (en) | 2011-11-18 | 2011-11-18 | Sludge granulator with movable scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202315834U true CN202315834U (en) | 2012-07-11 |
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ID=46427836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204673765U Expired - Fee Related CN202315834U (en) | 2011-11-18 | 2011-11-18 | Sludge granulator with movable scraper |
Country Status (1)
| Country | Link |
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| CN (1) | CN202315834U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693829A (en) * | 2013-12-23 | 2014-04-02 | 常州市新港热电有限公司 | Sludge treatment equipment and process |
| WO2016033747A1 (en) * | 2014-09-03 | 2016-03-10 | 张元才 | Combination pelletizer |
| CN111302588A (en) * | 2020-03-24 | 2020-06-19 | 爱泽尔环保科技(江苏)有限公司 | Special drying equipment for paste materials |
| CN114259949A (en) * | 2021-12-28 | 2022-04-01 | 宜春万申制药机械有限公司 | Multifunctional dry-wet mixing granulator |
| CN114259950A (en) * | 2021-12-28 | 2022-04-01 | 宜春万申制药机械有限公司 | High airtight granulator |
-
2011
- 2011-11-18 CN CN2011204673765U patent/CN202315834U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693829A (en) * | 2013-12-23 | 2014-04-02 | 常州市新港热电有限公司 | Sludge treatment equipment and process |
| WO2016033747A1 (en) * | 2014-09-03 | 2016-03-10 | 张元才 | Combination pelletizer |
| JP2017500529A (en) * | 2014-09-03 | 2017-01-05 | 元才 ▲張▼ | Unit type granulator |
| CN111302588A (en) * | 2020-03-24 | 2020-06-19 | 爱泽尔环保科技(江苏)有限公司 | Special drying equipment for paste materials |
| CN114259949A (en) * | 2021-12-28 | 2022-04-01 | 宜春万申制药机械有限公司 | Multifunctional dry-wet mixing granulator |
| CN114259950A (en) * | 2021-12-28 | 2022-04-01 | 宜春万申制药机械有限公司 | High airtight granulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121118 |