CN103638051A - Vacuum-assisted preparation technology of dried leech products - Google Patents
Vacuum-assisted preparation technology of dried leech products Download PDFInfo
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- CN103638051A CN103638051A CN201310586685.8A CN201310586685A CN103638051A CN 103638051 A CN103638051 A CN 103638051A CN 201310586685 A CN201310586685 A CN 201310586685A CN 103638051 A CN103638051 A CN 103638051A
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Abstract
The invention relates to a vacuum-assisted preparation technology of dried leech products. The technology comprises the following steps: sequentially placing a first plastic film and a pallet on a platform, spreading adult leeches in a groove in the pallet, pressing with a press block to maintain the spread state of the leeches, placing a second plastic film on the upper surface of the pallet, carrying out sealing bonding of the first film and the second film by using a sealing adhesive strip, opening a vacuum valve on a vacuum pump to rapidly reduce a space between the first film and the second film to a constant value, and maintaining the value of a vacuum meter between 0.01 and 0.5atm for 4-6h to make the adult leeches become the dried leech products. Compared with the prior art, the vacuum-assisted preparation technology is simple, allows the leeches to be spread through the arrangement of the press block in the groove, avoids the formation of a curled state of the leeches during the sudden meeting with the inspiration of the vacuum pump, and allows the finally obtained dried leech products to have a flat fusiform, so the post-treatment is convenient, and the technology is suitable for the large scale popularization and application.
Description
Technical field
The present invention relates to Hirudo dry product processing technique field, particularly a kind of vacuum aided preparation technology of Hirudo dry product.
Background technology
Hirudo is commonly called as Hirudo, leech or interior awl, belongs to Annelida, and the Hirudo kind of having found in the world at present has kind more than 500.Hirudo under natural conditions lives in freshwater lake, river, pond, irrigation canals and ditches or rice field conventionally.Comparatively common Hirudo formal name used at school is eurysome golden thread leech, and this kind of Hirudo do not sucked blood, and take and sucks the body fluid of invertebrates or parenchima as main, as the larva of the aquatic insects such as snail, mussel or plankton, sometimes also takes food the humus in the water surface or bank soil.Hirudo is the medicinal aquatic animal of the traditional special type of China, after its dry products after concocting is used as medicine, having the effects such as treatment apoplexy, hypertension, tired clearly, amenorrhea, traumatic injury, is the main formula material of dredging at present the Chinese patent medicine of numerous treatment cardiovascular and cerebrovascular diseases such as blood is logical, NIAOXUEKANG.Along with the research that deepens continuously of modern medicine, the medical value of Hirudo improves day by day.
It is to be the first step of medicinal product by the Hirudo process of preparing Chinese medicine that adult Hirudo is processed as to dry product, and the quality of crudy determines the height of later stage Hirudo dry product price, and the quality of crudy depends on processing method.Existing processing method has several as follows conventionally: 1. having one's hair waved method: when sunny weather, Hirudo is concentrated and puts into common vessel, boiled water is poured into suddenly, hot water floods Hirudo 2-3 and refers to be advisable, after Hirudo death, pull the clean clean place solarization that is placed on out, the shortcoming of this method is: after Hirudo death, all present the state of curling, and all cumbersome for processing and the dry in the sun in later stage; 2. airing method: first Hirudo is first put to death, then at shady and cool ventilation place, the Hirudo of execution is divided at clean bamboo pole, straw screen or mat, cement plate, plank etc. and located, dry, the shortcoming of this method is: the dry process of Hirudo is slower, in dry process, easily attract the insecticides such as fly, mosquito, Formica fusca, hygienic conditions are severe; 3. oven drying method: first Hirudo is first put to death, then after the Hirudo of putting to death being cleaned, adopt oven drying at low temperature technology to dry, the shortcoming of this method is: the Hirudo epidermal mucus of just having put to death is more, and it is prominent while running into high temperature, also can form and curl, the processing in later stage and dry in the sun are all cumbersome.Therefore, develop a kind of technique simple, can make Hirudo post-production comparatively easily the preparation technology of Hirudo dry product be the current problem that will study.
Summary of the invention
The technical problem to be solved in the present invention is: for the problem that in prior art, Hirudo dry product structure is curled, develop a kind of technique simple, can make the Hirudo post-production vacuum aided preparation technology of Hirudo dry product comparatively easily.
The technical solution adopted for the present invention to solve the technical problems is: a kind of vacuum aided preparation technology of Hirudo dry product, and this preparation technology has following steps:
(1) on platform, place one deck high-density plastic thin film one, pallet is placed on thin film one, have equally distributed arc groove in described pallet, have the briquetting matching with groove in groove, the length of thin film one and width are all greater than pallet;
(2) Hirudo that will grow up is laid in groove, press briquetting, make Hirudo keep its flat presentation, at tray upper surface, place one deck high-density plastic thin film two, with sealing joint strip, thin film one and thin film two sealings is bonding, on described thin film two, have gas outlet, gas outlet is connected with the entrance of vacuum pump by pipeline;
(3) vacuum valve of opening on vacuum pump makes the space between thin film one and thin film two be decreased to rapidly constant, close described vacuum valve, observe the vacuum meter on vacuum pump, if reading declines for one minute, be greater than 0.002MPa, represent to occur gas leak phenomenon, with sealing joint strip, eliminate gas leak phenomenon, keeping vacuum meter reading is 0.01-0.5atm, and the time is 4-6h, and the Hirudo that can make to grow up becomes Hirudo dry product.
Further, the surface of the bottom surface of described thin film one and thin film two all has tissue layer, and tissue layer inside has equally distributed heating wire.
Beneficial effect: compared with prior art; the vacuum aided preparation technology of Hirudo dry product of the present invention is comparatively simple; the setting of the briquetting in groove; can make Hirudo keep its flat presentation; avoid Hirudo to form when air-breathing and curl state at the prominent vacuum pump of meeting, make final Hirudo dry product present flat spindle, it is smooth that the outside of belly is slightly swelled at back; post-production more for convenience, apply by proper scale.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further described;
Fig. 1 is structural representation of the present invention;
In figure, 1. thin film one, and 2. thin film two, 3. platform, 4. pallet, 5. sealing joint strip, 6. vacuum pump, 7. tissue layer.
The specific embodiment
Embodiment mono-
A vacuum aided preparation technology for Hirudo dry product, this preparation technology has following steps:
(1) on platform 3, place one deck high-density plastic thin film 1, pallet 4 is placed on thin film 1, in described pallet 4, have equally distributed arc groove, have the briquetting matching with groove in groove, the length of thin film 1 and width are all greater than pallet 4;
(2) Hirudo that will grow up is laid in groove, press briquetting, make Hirudo keep its flat presentation, at pallet 4 upper surfaces, place one deck high-density plastic thin film 22, with sealing joint strip 5, thin film 1 and thin film 22 sealings is bonding, on described thin film 22, have gas outlet, gas outlet is connected with the entrance of vacuum pump 6 by pipeline;
(3) opening vacuum pump 6, that space between thin film 1 and thin film 22 is decreased to is rapidly constant, and keeping vacuum meter reading is 0.01-0.5atm, and the time is 5h, and the Hirudo that can make to grow up becomes Hirudo dry product.
Thin film 1 and thin film 22 are thermostability high-density plastic thin film, its serviceability temperature is-20 ℃-180 ℃, the surface of the bottom surface of thin film 1 and thin film 22 all has tissue layer 7, tissue layer 7 inside have equally distributed heating wire, heating wire is switched on power and can make Hirudo be heated, thereby accelerate dry product manufacturing process, can make the Production Time of Hirudo dry product drop to 4h by 5h.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content in description, must determine its technical scope according to claim scope.
Claims (2)
1. a vacuum aided preparation technology for Hirudo dry product, is characterized in that: this preparation technology has following steps:
(1) on platform, place one deck high-density plastic thin film one, pallet is placed on thin film one, have equally distributed arc groove in described pallet, have the briquetting matching with groove in groove, the length of thin film one and width are all greater than pallet;
(2) Hirudo that will grow up is laid in groove, press briquetting, at tray upper surface, place one deck high-density plastic thin film two, with sealing joint strip, thin film one and thin film two sealings is bonding, on described thin film two, have gas outlet, gas outlet is connected with the entrance of vacuum pump by pipeline;
(3) opening vacuum pump, that space between thin film one and thin film two is decreased to is rapidly constant, and keeping vacuum meter reading is 0.01-0.5atm, and the time is 4-6h, and the Hirudo that can make to grow up becomes Hirudo dry product.
2. the vacuum aided preparation technology of a kind of Hirudo dry product according to claim 1, is characterized in that: the surface of the bottom surface of described thin film one and thin film two all has tissue layer, and tissue layer inside has equally distributed heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586685.8A CN103638051A (en) | 2013-11-19 | 2013-11-19 | Vacuum-assisted preparation technology of dried leech products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586685.8A CN103638051A (en) | 2013-11-19 | 2013-11-19 | Vacuum-assisted preparation technology of dried leech products |
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| Publication Number | Publication Date |
|---|---|
| CN103638051A true CN103638051A (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310586685.8A Pending CN103638051A (en) | 2013-11-19 | 2013-11-19 | Vacuum-assisted preparation technology of dried leech products |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008550A (en) * | 2007-01-10 | 2007-08-01 | 苏式兵 | Vacuum freeze-drying method for hirudo |
| CN101204402A (en) * | 2006-12-19 | 2008-06-25 | 上海水产大学 | Vacuum freezing and drying technology for leech |
-
2013
- 2013-11-19 CN CN201310586685.8A patent/CN103638051A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204402A (en) * | 2006-12-19 | 2008-06-25 | 上海水产大学 | Vacuum freezing and drying technology for leech |
| CN101008550A (en) * | 2007-01-10 | 2007-08-01 | 苏式兵 | Vacuum freeze-drying method for hirudo |
Non-Patent Citations (1)
| Title |
|---|
| 韩志等: "水蛭冷冻干燥过程优化及最佳工艺条件的确立", 《安徽农业科学》 * |
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Application publication date: 20140319 |