CN1370424A - Production process and use of modified oyster powder - Google Patents
Production process and use of modified oyster powder Download PDFInfo
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- CN1370424A CN1370424A CN02109265A CN02109265A CN1370424A CN 1370424 A CN1370424 A CN 1370424A CN 02109265 A CN02109265 A CN 02109265A CN 02109265 A CN02109265 A CN 02109265A CN 1370424 A CN1370424 A CN 1370424A
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- Prior art keywords
- oyster
- powder
- oyster shell
- fertilizer
- modified
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Abstract
The modified oyster shell pwoder is produced by using oyster shell and through crushing to pieces, roasting at 600-800 deg.c for 16-25 min and grinding into powder. It has free calcium and trace elements and can be used as fertilizer for production of crop and as calcium source of farm animal feed. It has free calcium and trace elements for plant and animal to absorb easily. As fertilizer, it can neutralize acid of soil, loosen and improve soil and improve taste of crop product; and as feed additive, it can raise animal's disease resistance and strengthen digestive effect. the utilization of oyster shell as one waste can reduce environmental pollution.
Description
Technical field:
The present invention discloses a kind of production method and purposes of modified oyster powder, relates to the utilization of waste material technical field of oyster shells.
Background technology:
Along with the development of oyster culture industry, the oyster turnout sharply increases, and at present, the utilization of waste material of oyster shells only limits to produce unslaked lime or slaked lime, is used for the yellow agent of taking off of fuel-burning power plant, the packing agent of road, the acid acceptor of trade effluent etc.Also have oyster pulverized and make additive and directly mix and feed livestock and poultry in the feed, but because of the oyster shell powder non-modified, in the livestock and poultry stomach dissolving very slow, often cause microbial contamination, cause livestock and poultry death.In a word, owing to the low chemical of the uneven physical property of oyster shells granularity and lime content and the reasons such as inconvenience of processing, limited its utilization of waste material.Abandoning of edible simultaneously back oyster shells, stench that biology on it and residue corruption cause and accumulation are taken up an area of, and seriously influence surrounding enviroment.
Summary of the invention:
The present invention discloses a kind of production method of modified oyster powder and its purposes is provided, and has solved the limitation of existing oyster shells recoverying and utilizing method.
Technical solution of the present invention is as follows: oyster shells is broken into the sheet fragment, through 600～800 ℃ of roasts 16～25 minutes, is ground into Powderedly, make the modification ostreae testa pulverata.
The present invention also provides a kind of purposes of modified oyster powder; As fertilizer sources is used for farm crop and produces.
The wood invention is added in the feed as the calcium source, is used for additive for farm animal feed.
Positively effect of the present invention is: the oyster shell powder after the modification can make its calcium that includes and various trace elements dissociate out, help plant and livestock and poultry and absorb, can in and acid soil, loose improving the soil improved the farm crop taste; Can improve its resistance against diseases for livestock and poultry, strengthen digestive function.The utilization of waste material oyster shells reduces environmental pollution.More purposes is provided.
The composition analysis table of modified oyster powder: (%)
| Lime carbonate | Alkali | Nitrogen | Phosphonic acids | Potassium | Magnesium | Iron | Manganese | Boron | Zinc | Copper | Molybdenum |
| 93.25 | 53.0 | 0.28 | 0.16 | 0.06 | 1.08 | 0.23 | 100 ppm | ?30 ?ppm | 90 ppm | 6 ppm | 2 ppm |
Embodiment:
Embodiment 1:
Get 100 kilograms of fragments that are broken into about 1 centimetre of oyster shells, put into stove and accompanied burning 18 minutes, temperature remains on 650 ℃ in the stove, is ground into powder after the taking-up, makes modified oyster powder.
Embodiment 2
100 kilograms of oyster shellss are ground into broken shell about 1 centimetre, burnt 20 minutes accompanying to burn to accompany in the stove, furnace temperature remains 700 ℃, is ground into fine powder after the cooling, makes modified oyster powder.
Experimental example 1
Modified oyster powder with embodiment 1 or embodiment 2 make filters out the meal about 20 orders, directly uses as base fertilizer, or increases and decreases according to the characteristic of soil property and crop and to use.
Arable farming experiment comparative result with oyster shell powder fertilizer is as follows:
| The crop title | Do not use (kg) | Slaked lime (kg) | Oyster shell powder (kg) | Compare with slaked lime | Do not use contrast |
| Romaine lettuce | ????689 | ???1413 | ?????1535 | 8% increases income | 120% increases income |
| Wild cabbage | ????7600 | ????7726 | ????8075 | 5% increases income | 6% increases income |
| Spinach | ????215 | ????2447 | ????2645 | 7% increases income | 47% increases income |
| Onion | ????3448 | ????5993 | ????6154 | 3% increases income | 154% increases income |
| Capsicum | ????1143 | ????1261 | ????1280 | 2% increases income | 13% increases income |
| People's beans | ????279 | ????295 | ????302 | 2% increases income | 8% increases income |
Experimental example 2
Get the modified oyster powder that embodiment 1 or embodiment 2 make, further be ground into the fine powder about 80 orders, add in 2% ratio as additive for farm animal feed, feed laying hen, it is as follows that laying eggs of laying hen influenced results of comparison:
| The check plot | Treatment zone | |
| 45 the week age laying rate | ????89.3 | ????89.3 |
| 70 the week age laying rate | ????67.6 | ????69.2 |
| On average | ????78.2 | ????79.4 |
As can be seen, the laying rate of chicken that adds feed of the present invention increases by 1.2% in the table.
In addition, because the dissolution time of oyster shell powder in the livestock and poultry stomach of modification is reasonable, can replenish the demand of livestock and poultry all the time to this.Increase the bone strength of livestock and poultry, body health.
Claims (4)
1, a kind of production method of modified oyster powder may further comprise the steps and finishes: oyster shells is broken into the sheet fragment, through 600～800 ℃ of roasts 16～25 minutes, is ground into Powderedly, make the modification ostreae testa pulverata.
2, the product that makes of production method according to claim 1.
3, the product that makes according to claim 1 is used for additive for farm animal feed.
4, the product that makes according to claim 1 is used for fertilizer of crops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02109265A CN1370424A (en) | 2002-03-12 | 2002-03-12 | Production process and use of modified oyster powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02109265A CN1370424A (en) | 2002-03-12 | 2002-03-12 | Production process and use of modified oyster powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1370424A true CN1370424A (en) | 2002-09-25 |
Family
ID=4740584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02109265A Pending CN1370424A (en) | 2002-03-12 | 2002-03-12 | Production process and use of modified oyster powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1370424A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085920B (en) * | 2007-07-16 | 2010-05-19 | 广东省农业科学院土壤肥料研究所 | Method for preparing southern dry land acidic soil conditioner |
| CN103450906A (en) * | 2013-09-23 | 2013-12-18 | 福建省玛塔农业发展有限公司 | Soil conditioner and preparation method thereof |
| CN103621788A (en) * | 2013-11-26 | 2014-03-12 | 孟小斐 | Chinese herbal medicine compound premix for spring weaned piglets |
| CN105166330A (en) * | 2015-09-15 | 2015-12-23 | 青岛大学 | Invisible chlorine dioxide oyster shell calcium supplementing and odor removing antibacterial material and preparation method thereof |
| CN107875174A (en) * | 2017-11-26 | 2018-04-06 | 防城港市蓝瀚达科技有限公司 | A kind of preparation method of oyster shell extract |
-
2002
- 2002-03-12 CN CN02109265A patent/CN1370424A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085920B (en) * | 2007-07-16 | 2010-05-19 | 广东省农业科学院土壤肥料研究所 | Method for preparing southern dry land acidic soil conditioner |
| CN103450906A (en) * | 2013-09-23 | 2013-12-18 | 福建省玛塔农业发展有限公司 | Soil conditioner and preparation method thereof |
| CN103621788A (en) * | 2013-11-26 | 2014-03-12 | 孟小斐 | Chinese herbal medicine compound premix for spring weaned piglets |
| CN105166330A (en) * | 2015-09-15 | 2015-12-23 | 青岛大学 | Invisible chlorine dioxide oyster shell calcium supplementing and odor removing antibacterial material and preparation method thereof |
| CN105166330B (en) * | 2015-09-15 | 2019-03-15 | 青岛大学 | A kind of stealth chlorine dioxide oyster shell is replenished the calcium smelly eliminating anti-biotic material and preparation method thereof |
| CN107875174A (en) * | 2017-11-26 | 2018-04-06 | 防城港市蓝瀚达科技有限公司 | A kind of preparation method of oyster shell extract |
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