CN102177854A - Preparation method and device of bentonite cat litter - Google Patents
Preparation method and device of bentonite cat litter Download PDFInfo
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- CN102177854A CN102177854A CN 201110101422 CN201110101422A CN102177854A CN 102177854 A CN102177854 A CN 102177854A CN 201110101422 CN201110101422 CN 201110101422 CN 201110101422 A CN201110101422 A CN 201110101422A CN 102177854 A CN102177854 A CN 102177854A
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- cat litter
- bentonite
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- edge runner
- bentonite cat
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Abstract
The invention discloses a preparation method and device of bentonite cat litter. The preparation method consists of airing, crushing, sodium-treating, drying, screening and packaging. The device consists of a hammer crusher, a trommel screen, a planet gear mill, a roller drier and a belt conveyor. The raw ore of bentonite is subject to simple airing and manual impurities removal, is crushed and subject to sodium-treatment modification by using the planet gear mill, and is dried and screened to obtain the bentonite cat litter finished product. By adopting the method, grinding and granulating processes required by the conventional method for preparing the bentonite cat litter are saved, the consumption of a sodium-treating agent is less, the process is simple, and the cost is low.
Description
Technical field
The present invention relates to a kind of bentonite cat litter production technology, be specifically related to by the method for preparing bentonite cat litter behind the pure natural calcium-base bentonite sodium modification.
Background technology
Along with human living standard's raising, the quantity of pets such as the cat that family raises, dog also increases day by day, and the family of most of pet feedings is also being perplexed in the processing of pet excrement.The research that bentonite applies to cat litter starts from the U.S. of nineteen forty-seven, but because technical limitations, there are various problems in bentonite cat litter, and is big as dust, and conglomeration intensity is low etc.Along with the increasing that industrial expansion and research drop into, present bentonite cat litter product quality is greatly improved.
The domestic existing many enterprises that produce bentonite cat litters, number average uses conventional production methods mostly, be exactly with the bentonite raw ore by modification after abrasive dust, the process granulation is dried again then.Adopt this method to have a lot of drawbacks.As, needing after the modification after the drying could abrasive dust, and the moisture content that needs at least to reduce to 15% below could abrasive dust, and needs after the granulation to be dried to below 12%, need so just consume the time and the energy greatly through twice dry run.In addition; granulation is generally undertaken by modes such as comminutor or extruding; the cat litter particle of making generally is little ball or cylindricality; the cat litter of these two kinds of shapes all is unfavorable for conglomeration; this is because after cylindricality or the accumulation of spheroidal cat litter, have very big slit between the particle, and bentonite is difficult to fill up these slits after meeting the expansion of cat urine in the short time; urine is easy to past dirty along the slit, and cat litter just is difficult to the intensity difference of conglomeration or conglomeration like this.
Chinese patent CN1963198A discloses a kind of production method of agglomerate type cat sand.The key step of this method is that attapulgite, sodium hydroxide, magnesia, anhydrous gypsum and high hydroscopic resin are prepared burden, stirred, extruding, airing, grinding, granulation, airing, sub-sieve, are packaged as finished product.The cat litter advantage of producing with this method is no dust, intensity height, low price, and cat litter can tightly wrap up stool and urine after the cat stool and urine, fast poly-the group into as a whole, can play eliminate the unusual smell, bacteria growing inhibiting and the effect with fresh air of maintenance environment.Many shortcomings such as but this method exists, and batching is various, complex process, twice energy consumption for drying height, cycle are long.
Chinese patent CN101810146A discloses a kind of production method of bentonite cat litter, and this method is made up of operations such as pulverizing, acidifying, sodium, moulding, dryings.With the raw ore of calcium base bentonite is starting point, elder generation's acidizing corrosion bentonite lamella, the bentonite specific surface area is increased greatly, with the sodium modification agent calcium agent bentonite is carried out sodium modification to improve bentonitic water absorption rate then, prepare the bentonite cat litter that suction is fast, water absorption is big, whiteness is high, intensity is high through operations such as granulation, dryings at last.But this method bentonite needs raw ore of calcium base bentonite is crushed to the powder of particle diameter＜2mm before acidification, and this is difficult to realize on industrial production; This method has selected for use sodium hydroxide, sodium fluoride as the sodium agent in addition, and sodium hydroxide has strong corrosion, and sodium fluoride has certain toxicity, contains the cat litter of these two kinds of materials as long-time use, will produce certain influence to the health of cat.
Summary of the invention
A kind of technology that the objective of the invention is to overcome the deficiencies in the prior art and provide is simple, with low cost, and is suitable for preparing behind the pure natural calcium-base bentonite sodium modification method of bentonite cat litter.
Another object of the present invention provides a kind of device of realizing above-mentioned bentonite cat litter preparation method.
A kind of preparation method of bentonite cat litter, comprise airing, fragmentation, screening, sodium, drying, screening and packaging process again, it is characterized in that raw ore of calcium base bentonite is after airing, fragmentation, screening, be delivered in the edge runner, add sodium agent and water and mix to roll and be modified as semi-finished product, again drying, sieve the bentonite cat litter finished product.
Mineral aggregate control moisture content≤22% after the described airing, the mineral aggregate particle diameter≤25mm after fragmentation, the screening.
Sodium carbonate is selected in described sodium agent for use, and addition is 1.5% ~ 2.0% of a mineral aggregate quality, and the mixed time of mineral aggregate and sodium agent is 1-2 minutes, and control moisture content is 22% ~ 23%, and the time of rolling is 10 ~ 15 minutes.
Describedly roll semi-finished product after the modification by natural drying or dryer oven dry, control moisture content≤10%, rescreen sub-elect particle diameter be 1 ~ 4mm granule packaging the bentonite cat litter finished product.
A kind of device for preparing bentonite cat litter comprises hopper, disintegrating machine, rotary screen, edge runner, dryer and belt conveyor, it is characterized in that the low side of first belt conveyor is arranged on the outlet of hopper, the high-end inlet that is arranged on disintegrating machine; The low side of second belt conveyor is arranged on the outlet of disintegrating machine, the high-end inlet that is arranged on first rotary screen; The low side of the 3rd belt conveyor is arranged on the outlet of first rotary screen, the high-end inlet that is arranged on the edge runner feed bin; The low side of the 4th belt conveyor is arranged on the outlet that edge runner grinds the storehouse, the high-end inlet that is arranged on dryer; The low side of the 5th belt conveyor is arranged on the outlet of dryer, the high-end inlet that is arranged on the second tin roller sieve.
Described edge runner adopts the planet edge runner, one side edge runner top be provided with feed bin, another side is provided with and grinds the storehouse, grinds in the ingress edge of storehouse to be provided with at least one shower nozzle, muller is arranged on and grinds middle part on the base plate of storehouse, and the gap between the base plate is 3-5mm.
Compared with prior art, advantage of the present invention is:
1, the present invention adopts the edge runner modification to have clear superiority, the fine particle formation larger particles that in the process of rolling, interosculates, the particle diameter larger particles then is fractured in the process of rolling than granule, played the effect of broken and granulation simultaneously, muller and base plate gap adjustment can have been made the granular material of semi-finished product formation particle diameter 1 ~ 4mm to 4mm.
2, the present invention is different with general cat litter manufacturing process, need not the abrasive dust granulating working procedure, has saved production cost greatly.In addition, bond mutually behind the cat litter particle water breakthrough, what play cementation only is particle top layer bentonite, adopt the edge runner modification to make the particle top layer obtain modification just, cohesiveness is stronger, and the granule interior major part still is a calcium-base bentonite, the expense of having saved modifier greatly, product P H value is about 8 only, is suitable for pet and uses.
3, adopting the present invention to make the cat litter product is irregular bentonite clay particle, and the slick and sly top layer of particle does not have corner angle, and the gap is little between the particle of accumulation back, is beneficial to conglomeration more.
4, technology of the present invention is simple, with low cost, and device is the improvement of carrying out at existing equipment, and raw material is bentonite and sodium carbonate only, cheaply is easy to get.
Description of drawings
Fig. 1 is the inventive method process chart;
Fig. 2 is apparatus of the present invention structural representation;
Fig. 3 is an edge runner structure for amplifying schematic diagram.
Among the figure: hopper 1, first belt conveyor 2, disintegrating machine 3, second belt conveyor 4, first rotary screen 5, the 3rd belt conveyor 6, edge runner 7, feed bin 7a, stone roller chamber 7b, shower nozzle 7c, muller 7d, the 4th belt conveyor 8, dryer 9, the 5th belt conveyor 10, second tin roller sieve 11.
Embodiment
Following examples will the invention will be further described in conjunction with the accompanying drawings.
See Fig. 1: a kind of preparation method of bentonite cat litter comprises following processing step and technological parameter:
1, airing removal of impurities.Place cement airing field to carry out airing raw ore of calcium base bentonite, in the airing process, carry out artificial hand selection's removal of impurities, raw ore moisture content≤22% after the airing.
2, cracking and sorting.Raw ore after the airing is adopted the hammer crushing crusher machine, and it is standby to sub-elect the mineral aggregate of particle diameter≤25mm through rotary screen again.
3, sodium modification.Mineral aggregate is delivered to edge runner, and the powdered sodium carbonate that adds mineral aggregate quality 1.5% ~ 2.0% mixed after 1-2 minutes, added an amount of water again, made its moisture content be controlled at 22% ~ 23%, and the rolling modification 10 ~ 15 minutes was the graininess semi-finished product.
4, dry screening.Semi-finished product after the modification through airing or dry to moisture content≤10%, are sub-elected the particle of particle diameter 1 ~ 4mm again through the roller screen shaft screen, be packaged as the cat litter finished product.
See Fig. 2, a kind of device for preparing bentonite cat litter comprises hopper 1, disintegrating machine 3, rotary screen 5 and 11, edge runner 7, dryer 9 and belt conveyor 2,4,6,8 and 10.The low side of first belt conveyor 2 is arranged on the exit of hopper 1, the high-end porch that is arranged on disintegrating machine 3, and disintegrating machine 3 adopts existing hammer mill, and the bottom does not have screen cloth; The low side of second belt conveyor 4 is arranged on the exit of disintegrating machine 3, high-end 5 porch that are arranged on first rotary screen, and rotary screen 5 is built-in with the 25mm screen cloth; The low side of the 3rd belt conveyor 6 is arranged on the exit of first rotary screen 5, the high-end porch that is arranged on the feed bin 7a of edge runner 7.Edge runner adopts the planet edge runner, feed bin 7a is arranged on the one side on edge runner top, another side is provided with and grinds storehouse 7b, be provided with at least one shower nozzle in the ingress edge of stone roller storehouse 7b, present embodiment is provided with 2 shower nozzle 7c, muller 7d is arranged on and grinds middle part on the 7b base plate of storehouse, and the gap between the base plate is 3-5mm, and present embodiment is set to 4mm; The low side of the 4th belt conveyor is arranged on the outlet that edge runner 7 grinds storehouse 7b, the high-end inlet that is arranged on dryer 9; The low side of the 5th belt conveyor is arranged on the outlet of dryer, the high-end inlet that is arranged on the second tin roller sieve.
Operation principle of the present invention is: raw ore of calcium base bentonite airing to moisture content≤22% is delivered to hopper 1, deliver to disintegrating machine 3 fragmentations through first belt conveyor 2, deliver to the mineral aggregate that first rotary screen 5 sub-elects particle diameter≤25mm through second belt conveyor 4, deliver to the hopper 7a of edge runner 7 through the 3rd belt conveyor 6, the powdered sodium carbonate that adds mineral aggregate quality 1.5% ~ 2.0%, lifting is sent into and is ground storehouse 7b mixing after 1-2 minutes, add an amount of water by shower nozzle 7c, make its control moisture content 22% ~ 23%, roll modification by muller 7d and be the graininess semi-finished product in 10 ~ 15 minutes, deliver to roller drier 9 through the 4th belt conveyor 8 and be dried to moisture content≤10%, deliver to second tin roller sieve 11 through the 5th belt conveyor 10 and sieve out the particle that particle diameter is 1 ~ 4mm, be packaged as the cat litter finished product.
Table 1 is the product that adopts the inventive method production and three kinds of cat litter product test data contrast situations choosing the market sale.Cat litter 1 is the circular granular cat litter, and cat litter 2 is the cylindricality granular cat sand, and cat litter 3 profiles and bentonite cat litter of the present invention are similar.Data show in the table, most of indexs of the bentonite cat litter product that the present invention produces are better than three kinds of cat litter products that sell the market.
Table 1
| ? | Moisture content % | Water absorption rate | Bulk density | The caking shape | Cake strength |
| Cat litter 1 | 9.4 | 180 | 0.85 | Long column shape | 3 times |
| Cat litter 2 | 10.2 | 240 | 0.88 | Long column shape | 2 times |
| Cat litter 3 | 8.5 | 170 | 1.07 | Hemispherical | 4 times |
| Cat litter of the present invention | 9.2 | 315 | 0.96 | Hemispherical | 7 times |
In the table, cake strength detection method: cat litter is tiled, cat litter thickness is not less than 4cm, from the height of 2.5cm, in the time of 4s～5s, 10mL 1% NaCl solution is joined in the bentonite cat litter, behind the 10s, pour out caking, allow caking highly freely fall from 15cm, the number of times that the record test block falls when broken, this number of times is cake strength.
Claims (6)
1. the preparation method of a bentonite cat litter, comprise airing, fragmentation, screening, sodium, drying, screening and packaging process again, it is characterized in that raw ore of calcium base bentonite is after airing, fragmentation, screening, be delivered in the edge runner, add sodium agent and water and mix to roll and be modified as semi-finished product, again drying, sieve the bentonite cat litter finished product.
2. according to the preparation method of the said a kind of bentonite cat litter of claim 1, it is characterized in that the mineral aggregate after the described airing is controlled moisture content≤22%, the mineral aggregate particle diameter≤25mm behind the crushing and screening.
3. according to the preparation method of the said a kind of bentonite cat litter of claim 1, it is characterized in that described sodium agent selects sodium carbonate for use, addition is 1.5% ~ 2.0% of a mineral aggregate quality, and the mixed time of mineral aggregate and sodium carbonate is 1-2 minutes, control moisture content is 22% ~ 23%, and the time of rolling is 10 ~ 15 minutes.
4. according to the preparation method of the said a kind of bentonite cat litter of claim 1, it is characterized in that describedly rolling semi-finished product after the modification by natural drying or dryer oven dry, control moisture content≤10%, rescreen sub-elect particle diameter be 1 ~ 4mm granule packaging the bentonite cat litter finished product.
5. device for preparing bentonite cat litter, comprise hopper (1), disintegrating machine (3), rotary screen (5,11), edge runner (7), dryer (9) and belt conveyor (2,4,6,8,10), it is characterized in that the low side of first belt conveyor (2) is arranged on the outlet of hopper (1), the high-end inlet that is arranged on disintegrating machine (3); The low side of second belt conveyor (4) is arranged on the outlet of disintegrating machine (3), the high-end inlet that is arranged on first rotary screen (5); The low side of the 3rd belt conveyor (6) is arranged on the outlet of first rotary screen (5), the high-end inlet that is arranged on edge runner (7) feed bin (7a); The low side of the 4th belt conveyor (8) is arranged on the outlet that edge runner (7) grinds storehouse (7a), the high-end inlet that is arranged on dryer (9); The low side of the 5th belt conveyor (10) is arranged on the outlet of dryer (9), the high-end inlet that is arranged on second tin roller sieve (11).
6. according to the said a kind of device for preparing bentonite cat litter of claim 5, it is characterized in that described edge runner (7) adopts the planet edge runner, the one side on edge runner (7) top is provided with feed bin (7a), another side is provided with and grinds storehouse (7b), grind in the ingress edge of storehouse (7b) and be provided with at least one shower nozzle (7c), muller (7d) is arranged on and grinds middle part on the base plate of storehouse (7b), and the gap between the base plate is 3-5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101014224A CN102177854B (en) | 2011-04-22 | 2011-04-22 | Preparation method and device of bentonite cat litter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101014224A CN102177854B (en) | 2011-04-22 | 2011-04-22 | Preparation method and device of bentonite cat litter |
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| CN102177854B CN102177854B (en) | 2012-11-14 |
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| CN2011101014224A Expired - Fee Related CN102177854B (en) | 2011-04-22 | 2011-04-22 | Preparation method and device of bentonite cat litter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102742511A (en) * | 2012-07-23 | 2012-10-24 | 青岛弗兰克精细化工有限公司 | Ultralow-density natural compound clumping cat litter and production process thereof |
| CN102897783A (en) * | 2012-11-12 | 2013-01-30 | 湖北中非膨润土有限公司 | Preparation method of bentonite for slurry |
| CN103444554A (en) * | 2012-06-05 | 2013-12-18 | 项进军 | Manufacturing technique of bentonite cat litter |
| CN105724260A (en) * | 2014-12-30 | 2016-07-06 | 尤妮佳股份有限公司 | Method of producing animal litter including bentonite |
| CN106305440A (en) * | 2016-08-20 | 2017-01-11 | 庄美红 | Production process of bentonite crushed cat litter and manufacturing equipment thereof |
| CN109892237A (en) * | 2019-03-14 | 2019-06-18 | 盱眙博图凹土股份有限公司 | A kind of production equipment and method of agglomerate type cat sand |
| CN110100746A (en) * | 2019-06-24 | 2019-08-09 | 内蒙古润隆化工有限责任公司 | A kind of dustless deodorization bentonite cat litter and preparation method thereof |
| CN112997888A (en) * | 2021-02-23 | 2021-06-22 | 淮阴工学院 | Preparation device and method of bean curd cat litter |
| CN114617068A (en) * | 2022-02-17 | 2022-06-14 | 浙江省农业科学院 | Bean dreg cat litter and preparation method and equipment thereof |
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| CN1382628A (en) * | 2002-04-16 | 2002-12-04 | 张兴华 | Process for preparing granular pentonite |
| CN101755686A (en) * | 2008-11-12 | 2010-06-30 | 张文彬 | Cat litter |
| CN101810146A (en) * | 2010-05-10 | 2010-08-25 | 内蒙古大学 | Method for producing bentonite cat litter |
| CN202059842U (en) * | 2011-04-22 | 2011-12-07 | 湖北中非膨润土有限公司 | Fabrication device for bentonite cat litter |
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2011
- 2011-04-22 CN CN2011101014224A patent/CN102177854B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382628A (en) * | 2002-04-16 | 2002-12-04 | 张兴华 | Process for preparing granular pentonite |
| CN101755686A (en) * | 2008-11-12 | 2010-06-30 | 张文彬 | Cat litter |
| CN101810146A (en) * | 2010-05-10 | 2010-08-25 | 内蒙古大学 | Method for producing bentonite cat litter |
| CN202059842U (en) * | 2011-04-22 | 2011-12-07 | 湖北中非膨润土有限公司 | Fabrication device for bentonite cat litter |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444554A (en) * | 2012-06-05 | 2013-12-18 | 项进军 | Manufacturing technique of bentonite cat litter |
| CN102742511A (en) * | 2012-07-23 | 2012-10-24 | 青岛弗兰克精细化工有限公司 | Ultralow-density natural compound clumping cat litter and production process thereof |
| CN102897783A (en) * | 2012-11-12 | 2013-01-30 | 湖北中非膨润土有限公司 | Preparation method of bentonite for slurry |
| CN105724260A (en) * | 2014-12-30 | 2016-07-06 | 尤妮佳股份有限公司 | Method of producing animal litter including bentonite |
| CN105724260B (en) * | 2014-12-30 | 2020-11-06 | 尤妮佳股份有限公司 | Method for producing animal toilet sand containing bentonite |
| CN106305440A (en) * | 2016-08-20 | 2017-01-11 | 庄美红 | Production process of bentonite crushed cat litter and manufacturing equipment thereof |
| CN109892237A (en) * | 2019-03-14 | 2019-06-18 | 盱眙博图凹土股份有限公司 | A kind of production equipment and method of agglomerate type cat sand |
| CN110100746A (en) * | 2019-06-24 | 2019-08-09 | 内蒙古润隆化工有限责任公司 | A kind of dustless deodorization bentonite cat litter and preparation method thereof |
| CN110100746B (en) * | 2019-06-24 | 2022-02-22 | 内蒙古润隆膨润土科技有限公司 | Dust-free deodorizing bentonite cat litter and preparation method thereof |
| CN112997888A (en) * | 2021-02-23 | 2021-06-22 | 淮阴工学院 | Preparation device and method of bean curd cat litter |
| CN114617068A (en) * | 2022-02-17 | 2022-06-14 | 浙江省农业科学院 | Bean dreg cat litter and preparation method and equipment thereof |
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| CN102177854B (en) | 2012-11-14 |
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