CN111056940A - Automatic production system and method for calcium stearate - Google Patents
Automatic production system and method for calcium stearate Download PDFInfo
- Publication number
- CN111056940A CN111056940A CN201911395309.4A CN201911395309A CN111056940A CN 111056940 A CN111056940 A CN 111056940A CN 201911395309 A CN201911395309 A CN 201911395309A CN 111056940 A CN111056940 A CN 111056940A
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- China
- Prior art keywords
- calcium stearate
- lime milk
- pump
- reactor
- tank
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- 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.)
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- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 title claims abstract description 70
- 239000008116 calcium stearate Substances 0.000 title claims abstract description 70
- 235000013539 calcium stearate Nutrition 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 44
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 44
- 239000004571 lime Substances 0.000 claims description 44
- 235000013336 milk Nutrition 0.000 claims description 44
- 239000008267 milk Substances 0.000 claims description 44
- 210000004080 milk Anatomy 0.000 claims description 44
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 42
- 239000000292 calcium oxide Substances 0.000 claims description 30
- 235000012255 calcium oxide Nutrition 0.000 claims description 30
- 235000021355 Stearic acid Nutrition 0.000 claims description 18
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 18
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 18
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 18
- 239000008117 stearic acid Substances 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 12
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 11
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000008399 tap water Substances 0.000 claims description 8
- 235000020679 tap water Nutrition 0.000 claims description 8
- 230000035484 reaction time Effects 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention discloses an automatic production system and method of calcium stearate. The system has high automation degree, the opening and closing of the feeding link and the equipment are controlled automatically, the material quality is accurately fed, the waste is reduced, the labor cost is reduced, and the chemical safety accidents caused by human factors are avoided.
Description
Technical Field
The invention relates to the field of calcium stearate production, in particular to an automatic production system and method of calcium stearate.
Background
Calcium stearate is a nontoxic heat stabilizer for polyvinyl chloride and is an indispensable processing aid in the processing process of polyvinyl chloride resin plastics.
At the present stage, the labor cost is increased, chemical safety accidents frequently occur, enterprises need to reduce various costs, and popularization of automatic production is a trend. Meanwhile, the automatic production can also improve the quality of workers in the whole chemical industry and reduce casualties.
Therefore, how to design an automatic production system and method for calcium stearate is a problem that needs to be solved urgently.
Disclosure of Invention
In order to solve the technical problem, the invention provides an automatic production system of calcium stearate, which comprises a crusher, a crushed calcium oxide storage tank, a conveyor, a lime milk reaction tank, a calcium stearate reactor, an intermediate tank, a centrifugal pump and a control system which are arranged in sequence,
a conveying device is arranged between the crusher and the crushed calcium oxide storage tank,
the lime milk reaction tank is connected with a metering pump which is used for pumping tap water into the lime milk reaction tank,
a lime milk pump is arranged between the lime milk reaction tank and the calcium stearate reactor and is used for pumping lime milk in the lime milk reaction tank into the calcium stearate reactor,
a heat transfer device is arranged between the lime milk reaction tank and the calcium stearate reactor and is used for transferring heat generated in the lime milk reaction tank to the calcium stearate reactor,
the calcium stearate reactor is also connected with an ammonia pump and a stearic acid pump, the ammonia pump and the stearic acid pump are respectively used for pumping ammonia water and liquid stearic acid into the calcium stearate reactor,
the bottom of the calcium stearate reactor is provided with a valve, the intermediate tank is arranged below the bottom of the calcium stearate reactor,
the valve is provided with an electric control switch,
the switch of the crushed calcium oxide storage tank, the switch of the conveyor and the switch of the metering pump are all controlled by a sensor E1,
a height sensor E2 is arranged in the intermediate tank, the switch of the centrifugal pump is controlled by the height sensor E2,
the sensor E1, the height sensor E2 and the electric control switch are in signal connection with a control system, and the height sensor E2 is used with the sensor E1.
Further, the valve is provided with a manual switch.
Further, the automatic production system also comprises a crawler-type filter press, a dryer, a storage bin and an automatic packaging machine which are sequentially arranged behind the centrifugal pump, and the centrifugal pump pumps the product in the intermediate tank into the crawler-type filter press.
Furthermore, conveying devices are arranged between the crawler-type filter press and the dryer, between the dryer and the stock bin and between the stock bin and the automatic packaging machine.
Further, the dryer is a cyclone dryer.
Furthermore, switches of the lime milk pump, the ammonia water pump and the stearic acid pump are in signal connection with the control system.
The invention also provides an automatic production method of calcium stearate, which comprises the following steps:
s1: crushing qualified quicklime by a crusher, feeding the crushed quicklime into a crushed calcium oxide storage tank, feeding the crushed quicklime into a lime milk reaction tank by a conveyor, automatically adding tap water into a metering pump, feeding the tap water into the lime milk reaction tank to prepare 10% lime milk, controlling the opening and closing time of the crushed calcium oxide storage tank, the conveyor and the metering pump by an inductor E1,
s2: a large amount of heat discharged by the reaction of the quicklime and the water is transferred to a calcium stearate reactor through a heat transfer device, a stearic acid solution is pumped into the calcium stearate reactor by controlling a stearic acid pump through a control system, the calcium stearate reactor is heated, ammonia water is pumped into the calcium stearate reactor through ammonia water, then 10 percent lime milk is slowly pumped into the calcium stearate reactor while stirring, and then the calcium stearate reactor is rapidly stirred,
s3: after the reaction time, the control system automatically opens a valve at the bottom of the calcium stearate reactor, the materials are placed in a middle tank, a height sensor E2 is installed in the middle tank, after the materials reach the height, the height sensor E2 is linked with a sensor E1, a broken calcium oxide storage tank, a conveyor and a metering pump are automatically opened, the materials are continuously fed, meanwhile, the height sensor E2 in the middle tank controls a centrifugal pump to be opened, the materials are pumped into a crawler-type filter press by the centrifugal pump, filter cakes are conveyed to a cyclone dryer through a crawler, and then the filter cakes are fed into a bin and packaged into finished products through an automatic packaging machine.
Further, the time for pumping 10% lime milk in S2 is controlled to be 35 +/-5 min.
Further, the reaction time in S3 is 1-1.5h, and then the valve is automatically opened to discharge.
The system has the advantages that the system is high in automation degree, the feeding link and the opening and closing of the equipment are automatically controlled, the feeding of the material quality is accurate, the waste is reduced, the labor cost is reduced, and the chemical safety accidents caused by artificial reasons are avoided.
Drawings
FIG. 1 is a diagram of an automated production system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to specific embodiments.
Example 1
As shown in fig. 1, an automatic production system of calcium stearate comprises a crusher, a crushed calcium oxide storage tank, a conveyor, a lime milk reaction tank, a calcium stearate reactor, an intermediate tank, a centrifugal pump, a crawler-type filter press, a dryer, a bin, an automatic packaging machine and a control system which are arranged in sequence, wherein the dryer is a cyclone dryer.
Conveying devices are arranged between the crusher and the crushed calcium oxide storage tank, between the crawler-type filter press and the dryer, between the dryer and the bin and between the bin and the automatic packaging machine.
The lime milk reaction tank is connected with a metering pump which is used for pumping tap water into the lime milk reaction tank,
a lime milk pump is arranged between the lime milk reaction tank and the calcium stearate reactor and is used for pumping lime milk in the lime milk reaction tank into the calcium stearate reactor,
a heat transfer device is arranged between the lime milk reaction tank and the calcium stearate reactor and is used for transferring heat generated in the lime milk reaction tank to the calcium stearate reactor,
the calcium stearate reactor is also connected with an ammonia pump and a stearic acid pump, the ammonia pump and the stearic acid pump are respectively used for pumping ammonia water and liquid stearic acid into the calcium stearate reactor,
the bottom of the calcium stearate reactor is provided with a valve, the intermediate tank is arranged below the bottom of the calcium stearate reactor,
the valve is provided with an electric control switch and a manual switch, and if the reaction is not complete enough in the reaction time, the valve can be forcibly closed to continue the reaction.
The switch of the crushed calcium oxide storage tank, the switch of the conveyor and the switch of the metering pump are all controlled by an inductor E1, a height inductor E2 is arranged in the intermediate tank, the switch of the centrifugal pump is controlled by a height inductor E2, the inductor E1, the height inductor E2 and the electric control switch are all in signal connection with a control system, the height inductor E2 is used with the inductor E1 in a combined mode, and the switches of the lime milk pump, the ammonia water pump and the stearic acid pump are all in signal connection with the control system.
The process for producing the calcium stearate by the automatic production system comprises the following steps:
s1: crushing qualified quicklime to about 40mm by a crusher, feeding the crushed quicklime into a crushed calcium oxide storage tank, conveying 94kg of quicklime into a lime milk reaction tank by a conveyor, automatically adding 1.314 tons of tap water into a metering pump, feeding the mixture into the lime milk reaction tank to prepare 10% lime milk, controlling the opening and closing time of the crushed calcium oxide storage tank, the conveyor and the metering pump by an inductor E1,
s2: a large amount of heat discharged by the reaction of quicklime and water is transmitted to a calcium stearate reactor through a heat transfer device, 500kg of stearic acid solution is pumped into the calcium stearate reactor by controlling a stearic acid pump through a control system, the calcium stearate reactor is heated, 10kg of 8% ammonia water is pumped into the calcium stearate reactor through ammonia water, then 10% lime milk is slowly pumped into the calcium stearate reactor while stirring, the temperature is controlled within 35 +/-5 min, the calcium stearate reactor is rapidly stirred,
s3: the reaction time is controlled to be 1-1.5h, after the reaction time is up, a control system automatically opens a valve at the bottom of the calcium stearate reactor, materials are placed in a middle tank, a height sensor E2 is installed in the middle tank, after the height is reached, the height sensor E2 is linked with a sensor E1, a crushed calcium oxide storage tank, a conveyor and a metering pump are automatically opened to continue feeding, meanwhile, the height sensor E2 in the middle tank controls the centrifugal pump to be opened, the materials are pumped into a crawler-type filter press by the centrifugal pump, filter cakes are conveyed to a cyclone dryer through a crawler, and then are fed into a bin, and the materials are automatically packaged into finished products, so that 545kg of first-level finished products are obtained.
The system has high automation degree, the opening and closing of the feeding link and the equipment are controlled automatically, the material quality is accurately fed, the waste is reduced, the labor cost is reduced, and the chemical safety accidents caused by human factors are avoided.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. An automatic production system of calcium stearate is characterized by comprising a crusher, a crushed calcium oxide storage tank, a conveyor, a lime milk reaction tank, a calcium stearate reactor, an intermediate tank, a centrifugal pump and a control system which are arranged in sequence,
a conveying device is arranged between the crusher and the crushed calcium oxide storage tank,
the lime milk reaction tank is connected with a metering pump which is used for pumping tap water into the lime milk reaction tank,
a lime milk pump is arranged between the lime milk reaction tank and the calcium stearate reactor and is used for pumping lime milk in the lime milk reaction tank into the calcium stearate reactor,
a heat transfer device is arranged between the lime milk reaction tank and the calcium stearate reactor and is used for transferring heat generated in the lime milk reaction tank to the calcium stearate reactor,
the calcium stearate reactor is also connected with an ammonia pump and a stearic acid pump, the ammonia pump and the stearic acid pump are respectively used for pumping ammonia water and liquid stearic acid into the calcium stearate reactor,
the bottom of the calcium stearate reactor is provided with a valve, the intermediate tank is arranged below the bottom of the calcium stearate reactor,
the valve is provided with an electric control switch,
the switch of the crushed calcium oxide storage tank, the switch of the conveyor and the switch of the metering pump are all controlled by a sensor E1,
a height sensor E2 is arranged in the intermediate tank, the switch of the centrifugal pump is controlled by the height sensor E2,
the sensor E1, the height sensor E2 and the electric control switch are in signal connection with a control system, and the height sensor E2 is used with the sensor E1.
2. The automatic production system of calcium stearate according to claim 1, wherein the valve is provided with a manual switch.
3. The automatic production system of calcium stearate according to claim 1, further comprising a crawler-type filter press, a dryer, a silo and an automatic packaging machine sequentially arranged after the centrifugal pump, wherein the centrifugal pump pumps the product of the intermediate tank into the crawler-type filter press.
4. The automatic production system of calcium stearate according to claim 3, wherein conveying devices are arranged between the crawler-type filter press and the dryer, between the dryer and the silo, and between the silo and the automatic packaging machine.
5. The automatic production system of calcium stearate according to claim 4, wherein said dryer is a cyclone dryer.
6. The automatic production system of calcium stearate according to claim 1, wherein switches of the lime milk pump, the ammonia water pump and the stearic acid pump are in signal connection with the control system.
7. An automatic production method of calcium stearate, which utilizes the automatic production system of calcium stearate in any one of claims 1-6 to produce, and is characterized in that the specific production method comprises the following steps:
s1: crushing qualified quicklime by a crusher, feeding the crushed quicklime into a crushed calcium oxide storage tank, feeding the crushed quicklime into a lime milk reaction tank by a conveyor, automatically adding tap water into a metering pump, feeding the tap water into the lime milk reaction tank to prepare 10% lime milk, controlling the opening and closing time of the crushed calcium oxide storage tank, the conveyor and the metering pump by an inductor E1,
s2: a large amount of heat discharged by the reaction of the quicklime and the water is transferred to a calcium stearate reactor through a heat transfer device, a stearic acid solution is pumped into the calcium stearate reactor by controlling a stearic acid pump through a control system, the calcium stearate reactor is heated, ammonia water is pumped into the calcium stearate reactor through ammonia water, then 10 percent lime milk is slowly pumped into the calcium stearate reactor while stirring, and then the calcium stearate reactor is rapidly stirred,
s3: after the reaction time, the control system automatically opens a valve at the bottom of the calcium stearate reactor, the materials are placed in a middle tank, a height sensor E2 is installed in the middle tank, after the materials reach the height, the height sensor E2 is linked with a sensor E1, a broken calcium oxide storage tank, a conveyor and a metering pump are automatically opened, the materials are continuously fed, meanwhile, the height sensor E2 in the middle tank controls a centrifugal pump to be opened, the materials are pumped into a crawler-type filter press by the centrifugal pump, filter cakes are conveyed to a cyclone dryer through a crawler, and then the filter cakes are fed into a bin and packaged into finished products through an automatic packaging machine.
8. The automatic production method of calcium stearate according to claim 7, wherein the time for pumping the 10% lime milk is controlled to be 35 ± 5min in S2.
9. The automatic production method of calcium stearate as claimed in claim 7, wherein the reaction time of S3 is 1-1.5h, and then the valve is opened automatically to discharge the calcium stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395309.4A CN111056940A (en) | 2019-12-30 | 2019-12-30 | Automatic production system and method for calcium stearate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395309.4A CN111056940A (en) | 2019-12-30 | 2019-12-30 | Automatic production system and method for calcium stearate |
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| Publication Number | Publication Date |
|---|---|
| CN111056940A true CN111056940A (en) | 2020-04-24 |
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| CN201911395309.4A Pending CN111056940A (en) | 2019-12-30 | 2019-12-30 | Automatic production system and method for calcium stearate |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837176A (en) * | 2005-03-23 | 2006-09-27 | 广东工业大学 | Process for preparation of metal stearate |
| CN101117312A (en) * | 2006-08-04 | 2008-02-06 | 李兰生 | Method for producing calcium stearate by non-discharge one-step synthesis process |
| CN104162401A (en) * | 2014-09-02 | 2014-11-26 | 济南大学 | Calcium stearate catalyzed reaction dryer and using method thereof |
| CN204824679U (en) * | 2015-07-31 | 2015-12-02 | 邵阳学院 | Calcium stearate's device is directly produced to aqueous phase |
| CN105329928A (en) * | 2015-12-10 | 2016-02-17 | 湖南化工职业技术学院 | Activation method for nanometer calcium carbonate |
| CN208814919U (en) * | 2018-09-06 | 2019-05-03 | 望都县鑫丰铸塑辅剂材料厂 | Efficient calcium stearate process units |
-
2019
- 2019-12-30 CN CN201911395309.4A patent/CN111056940A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837176A (en) * | 2005-03-23 | 2006-09-27 | 广东工业大学 | Process for preparation of metal stearate |
| CN101117312A (en) * | 2006-08-04 | 2008-02-06 | 李兰生 | Method for producing calcium stearate by non-discharge one-step synthesis process |
| CN104162401A (en) * | 2014-09-02 | 2014-11-26 | 济南大学 | Calcium stearate catalyzed reaction dryer and using method thereof |
| CN204824679U (en) * | 2015-07-31 | 2015-12-02 | 邵阳学院 | Calcium stearate's device is directly produced to aqueous phase |
| CN105329928A (en) * | 2015-12-10 | 2016-02-17 | 湖南化工职业技术学院 | Activation method for nanometer calcium carbonate |
| CN208814919U (en) * | 2018-09-06 | 2019-05-03 | 望都县鑫丰铸塑辅剂材料厂 | Efficient calcium stearate process units |
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