CN104028004A - Extraction apparatus for crab shells - Google Patents

Extraction apparatus for crab shells Download PDF

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Publication number
CN104028004A
CN104028004A CN201410193778.9A CN201410193778A CN104028004A CN 104028004 A CN104028004 A CN 104028004A CN 201410193778 A CN201410193778 A CN 201410193778A CN 104028004 A CN104028004 A CN 104028004A
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CN
China
Prior art keywords
tank
outlet
sour
alkali
liquid
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
Application number
CN201410193778.9A
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Chinese (zh)
Inventor
孙刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Fuzone Network Technology Co Ltd
Original Assignee
Kunshan Fuzone Network Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Fuzone Network Technology Co Ltd filed Critical Kunshan Fuzone Network Technology Co Ltd
Priority to CN201410193778.9A priority Critical patent/CN104028004A/en
Publication of CN104028004A publication Critical patent/CN104028004A/en
Pending legal-status Critical Current

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Abstract

A disclosed extraction apparatus for crab shells is characterized in that a liquid outlet of an acid tank (1) is connected with a liquid inlet of a precipitation tank (2), a precipitate outlet of the precipitation tank (2) is connected with a liquid inlet of a water-washing tank (3), and a liquid outlet of the water-washing tank (3) is connected with a liquid inlet of a centrifuge (4) and a liquid inlet of a spray dryer (5); the acid tank (1) is inside provided with a stirring device, an acidity indicating meter and an alkali-liquid tank; the stirring device is disposed at the bottom end of the acid tank, and the alkali-liquid tank is disposed at the top end of the acid tank (1); the alkali-liquid tank also is provided with a linkage valve controlling opening and closing of the alkali-liquid tank; and the linkage valve is controlled by a switch at the outside of the acid tank (1). The provided extraction apparatus for crab shells is simple in structure, convenient to operate, good in drying effect, labor-saving and time-saving, and is suitable for wide popularization and application.

Description

A kind of Carapax Eriocheir sinensis extraction element
Technical field
The present invention relates to a kind of Carapax Eriocheir sinensis extraction element, belong to biological plant technical field.
Background technology
The crab resources of China is abundant, to the main processing of crab, is the bulk crab meat processing canned crab meat of getting under its chest shell of collection and in large chela, and what also have is processed into the products such as crab paste, crab cream paste, crab oil and crab seasoning.In crab processing, produce many leftover bits and pieces, comprise bound feet and a large amount of crab shell of crab.Crab shell is the primary raw material of producing chitin, in crab shell, chitin content is up to 58 ~ 85%, that chitin has is anticancer, suppress cancer, oncocyte shifts, improve body immunity and liver detoxification effect, be particularly useful for the diseases such as diabetes, liver-kidney diseases, hypertension, obesity, be conducive to prevent cancer cell pathology and chemoradiation therapy treatment tumor disease etc., based on above advantage, from crab shell, chitin extraction is significant.
The extraction element of chitin extraction includes independently sour tank and alkali tank at present, and acid is carried rear alkali and carried, and the alkali lye in the acid solution in sour tank and alkali tank all needs to focus on separately, and treatment step is many, complicated operation, and the duration is longer; In addition, because the chitin after Carapax Eriocheir sinensis extraction is neutral mucopolysacchauide, be high molecular weight material, its molecular weight can reach more than 1,000,000, therefore be dried completely as hypobaric drying method, far-infrared drying method, electrical drying method are all difficult to be dried or are difficult to common drying means.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of alkali liquid tank to be positioned at sour tank, can in sour tank, adjust extracting liquid pH value and extract the good Carapax Eriocheir sinensis extraction element of gained material chitin drying effect.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of Carapax Eriocheir sinensis extraction element, it is characterized in that: the liquid outlet of sour tank is connected with the inlet of settling tank, the precipitation outlet of described settling tank is connected with the inlet of water washing tank, and the liquid outlet of described water washing tank is connected with the inlet of centrifuge and the inlet of spray dryer respectively; In described sour tank, be provided with agitating device, acidity indicating gage and alkali liquid tank, described agitating device is positioned at the bottom of described sour tank, described alkali liquid tank is positioned at the top of described sour tank, on described alkali liquid tank, be also provided with and control the interstage valve that described alkali liquid tank is opened or closed, described interstage valve is controlled by the switch being positioned at outside sour tank.
In described sour tank, have concentrated acid extract, for extracting the chitin of Carapax Eriocheir sinensis, the stirring of agitating device is beneficial to the stripping of chitin, and recovery rate is improved, chitin extraction is to setting-up time, regulate again the pH value of concentrated acid extract, control method is: open the switch being positioned at outside sour tank, interstage valve is opened, the concentrated base that is arranged in alkali liquid tank flows into sour tank, under the stirring of agitating device, mix with concentrated acid extract, attention is monitored the pH value after regulating according to acidity indicating gage, when pH value arrives setting value, and closing switch, thereby close alkali liquid tank, complete the process of adjusting alkali, then under the solution condition after adjusting, continue to be extracted into after setting-up time, tapping is to settling tank, and settling tank is for precipitating the chitin extracting, because chitin is that sour molten alkali is heavy, therefore chitin becomes precipitation state from solution state after tune alkali, in settling tank, accelerate the precipitation process of chitin, after precipitation, supernatant is from the supernatant outlet sucking-off of settling tank, precipitation is discarded in water washing tank by precipitating outlet, be deposited in water washing tank and be washed to after neutrality, put into centrifuge centrifugal, get the precipitation after centrifugal, again put into water washing tank, washing again, after washing, put into again centrifuge centrifugal, and so forth, until water lotion is after neutrality, the inlet that sucks spray dryer after neutral water lotion stirs with precipitation will be, adjust flow velocity, the dried chitin that makes to spray is dry graininess, until all neutral water lotion and precipitation sprayings that be have been dried.
Described agitating device comprises paddle.
Described alkali liquid tank is positioned at the liquid level top of extract (being sour tank solution) all the time.
The material of acid tank inwall is acid-fast alkali-proof material, as ceramic pot.
Splendid attire concentrated alkali solution in described alkali liquid tank, described alkali liquid tank is also connected with flowmeter.
Flowmeter, for controlling the emitting rate of the concentrated alkali solution of alkali liquid tank, is avoided being decomposed due to the material to be extracted that the local alkalescence of liquid causes excessively by force.
Described sour tank is outside equipped with acidity display.
Acidity display is for monitoring the pH value of sour tank internal solution.
On described settling tank, be provided with supernatant outlet and precipitation outlet, described supernatant outlet is positioned at the top of described settling tank, and described precipitation outlet is positioned at the bottom of described settling tank; The tank skin of described settling tank is hollow, fills cooling medium in the tank skin of described settling tank.
Described cooling medium comprises condensed water.
Condensed water the settling velocity of having accelerated settling tank is set, be beneficial to the rapid subsidence of shitosan.
Between described sour tank and settling tank, be also provided with infusion pump.
A kind of Carapax Eriocheir sinensis extraction element provided by the invention, alkali liquid tank is positioned at the setting of sour tank, make that acid is carried, alkali is put forward technique and completed in a tank, and the solution after extracting only need be processed once, has removed the repeatedly imbibition between different extractors from, repeatedly clean, the problem such as liquid waste processing repeatedly, greatly simplify abstraction process and method of operating, effectively shortened the duration, be equivalent to improve production efficiency; In addition, the use of spray dryer, makes shitosan rate of drying fast, completely dry.A kind of Carapax Eriocheir sinensis extraction element provided by the invention, simple in structure, easy and simple to handle, drying effect is good, and saving of work and time is applicable to wide popularization and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of Carapax Eriocheir sinensis extraction element, it is characterized in that: the liquid outlet of sour tank 1 is connected with the inlet of settling tank 2, the precipitation outlet of described settling tank 2 is connected with the inlet of water washing tank 3, and the liquid outlet of described water washing tank 3 is connected with the inlet of spray dryer 5 with the inlet of centrifuge 4 respectively; In described sour tank 1, be provided with agitating device, acidity indicating gage and alkali liquid tank, described agitating device is positioned at the bottom of described sour tank 1, described alkali liquid tank is positioned at the top of described sour tank 1, on described alkali liquid tank, be also provided with and control the interstage valve that described alkali liquid tank is opened or closed, described interstage valve is controlled by the switch being positioned at outside sour tank 1.
Splendid attire concentrated alkali solution in described alkali liquid tank, described alkali liquid tank is also connected with flowmeter.
Described sour tank 1 is outside equipped with acidity display.
On described settling tank 2, be provided with supernatant outlet and precipitation outlet, described supernatant outlet is positioned at the top of described settling tank 2, and described precipitation outlet is positioned at the bottom of described settling tank 2; The tank skin of described settling tank 2 is hollow, fills cooling medium in the tank skin of described settling tank 2.
Described cooling medium comprises condensed water.
Between described sour tank 1 and settling tank 2, be also provided with infusion pump 6.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (6)

1. a Carapax Eriocheir sinensis extraction element, it is characterized in that: the liquid outlet of sour tank (1) is connected with the inlet of settling tank (2), the precipitation outlet of described settling tank (2) is connected with the inlet of water washing tank (3), and the liquid outlet of described water washing tank (3) is connected with the inlet of spray dryer (5) with the inlet of centrifuge (4) respectively; In described sour tank (1), be provided with agitating device, acidity indicating gage and alkali liquid tank, described agitating device is positioned at the bottom of described sour tank (1), described alkali liquid tank is positioned at the top of described sour tank (1), on described alkali liquid tank, be also provided with and control the interstage valve that described alkali liquid tank is opened or closed, described interstage valve is controlled by being positioned at the outer switch of sour tank (1).
2. a kind of Carapax Eriocheir sinensis extraction element according to claim 1, is characterized in that: splendid attire concentrated alkali solution in described alkali liquid tank, described alkali liquid tank is also connected with flowmeter.
3. a kind of Carapax Eriocheir sinensis extraction element according to claim 1, is characterized in that: described sour tank (1) is outside equipped with acidity display.
4. a kind of Carapax Eriocheir sinensis extraction element according to claim 1, it is characterized in that: on described settling tank (2), be provided with supernatant outlet and precipitation outlet, described supernatant outlet is positioned at the top of described settling tank (2), and described precipitation outlet is positioned at the bottom of described settling tank (2); The tank skin of described settling tank (2) is hollow, fills cooling medium in the tank skin of described settling tank (2).
5. a kind of Carapax Eriocheir sinensis extraction element according to claim 4, is characterized in that: described cooling medium comprises condensed water.
6. a kind of Carapax Eriocheir sinensis extraction element according to claim 1, is characterized in that: between described sour tank (1) and settling tank (2), be also provided with infusion pump (6).
CN201410193778.9A 2014-05-09 2014-05-09 Extraction apparatus for crab shells Pending CN104028004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410193778.9A CN104028004A (en) 2014-05-09 2014-05-09 Extraction apparatus for crab shells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410193778.9A CN104028004A (en) 2014-05-09 2014-05-09 Extraction apparatus for crab shells

Publications (1)

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CN104028004A true CN104028004A (en) 2014-09-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109651530A (en) * 2018-12-25 2019-04-19 华中科技大学 The chitosan extraction element and equipment recycled for shell-fish solid waste

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101181080A (en) * 2007-12-06 2008-05-21 任宪君 Method for extracting crust element, fats and albumen powder from shrimp and crab
CN102093488A (en) * 2009-12-14 2011-06-15 刘继军 Method for preparing chitosan
CN102241789A (en) * 2010-05-15 2011-11-16 孙中礼 Chitosan
KR20140033687A (en) * 2012-09-10 2014-03-19 이동락 Aged extract containing chitin/chitosan and its extract method
CN203874498U (en) * 2014-05-09 2014-10-15 昆山市富众网络科技有限公司 Crab shell extraction device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101181080A (en) * 2007-12-06 2008-05-21 任宪君 Method for extracting crust element, fats and albumen powder from shrimp and crab
CN102093488A (en) * 2009-12-14 2011-06-15 刘继军 Method for preparing chitosan
CN102241789A (en) * 2010-05-15 2011-11-16 孙中礼 Chitosan
KR20140033687A (en) * 2012-09-10 2014-03-19 이동락 Aged extract containing chitin/chitosan and its extract method
CN203874498U (en) * 2014-05-09 2014-10-15 昆山市富众网络科技有限公司 Crab shell extraction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109651530A (en) * 2018-12-25 2019-04-19 华中科技大学 The chitosan extraction element and equipment recycled for shell-fish solid waste

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Application publication date: 20140910