CN103364527A - Device for rapidly determining fiber content of feed - Google Patents
Device for rapidly determining fiber content of feed Download PDFInfo
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- CN103364527A CN103364527A CN2012100845009A CN201210084500A CN103364527A CN 103364527 A CN103364527 A CN 103364527A CN 2012100845009 A CN2012100845009 A CN 2012100845009A CN 201210084500 A CN201210084500 A CN 201210084500A CN 103364527 A CN103364527 A CN 103364527A
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Abstract
The invention belongs to the technical field of feed analysis and particularly relates to a device for rapidly determining the fiber content of feed, which is commonly used by an animal nutrition laboratory. The device comprises a heating device, reaction containers, a condenser and a bracket, wherein a washing agent is filled in each reaction container; after a feed fiber sample bag is added into each reaction container and is located below the liquid surface of the washing agent, the bracket is located above the heating device; the condenser is fixedly mounted below the bracket and is closely buckled on a container opening of each reaction container; the heating device comprises a heating platform and a heating controller; the heating platform is provided with a plurality of heating units; one reaction container is placed on each heating unit for heating; the heating controller is used for controlling the heating temperature and the heating time of the reaction container. Furthermore, the device further comprises a pressing block and the pressing block is pressed on a feed sample to be determined. The invention provides a plurality of the reaction containers for simultaneously carrying out a fiber determination reaction so as to improve the determination efficiency and the determination parallelism of the fiber content of the feed.
Description
Technical field
The present invention relates to the forage analysis technical field, particularly relate to a kind of Animal nutrition laboratory device that is used for Fast Measurement feed fibre content commonly used.
Background technology
Fiber content is the important indicator of evaluation feed nutritive value, is the project of Animal nutrition laboratory feed conventional analysis.The project that tradition is measured fiber is one of robust fibre in the feed (CF).But along with deepening continuously of Animal nutrition research, the researcher finds, different fibre fractionation is different by the degree that animal absorbs in the feed, according to fiber in the feed in different medium dissolubility and be divided into by the usability that animal digests and assimilates: neutral detergent fiber (NDF), acid detergent fiber (ADF) and lignin (Lignin).Therefore, in animal diets cooperated, what generally adopt in the world was neutral detergent fiber and acid detergent fiber.Also neutral detergent fiber and acid detergent fiber are listed in the feed ingredient table as the feed nutrient index in the Database of Feed of some developed countries.The method of measuring at present ADF and NDF is suction method, the method be with single Feed Sample with corresponding washing agent (neutral detergent or acid detergent) soak, boil, suction filtration, flushing, the step such as weigh after suction filtration, the oven dry again, an index measuring a sample needs 1-2 hour, if 1 sample do 2 parallel, then the every complete equipment of 1 people can only be done 2 fiber indexs of 2 Feed Samples in 1 day.This method is not only consuming time, because the replicate determination of each sample can not be carried out simultaneously, intermediate operation step is many, adds condition control problem, and measuring result's collimation is undesirable.
At present, domestic can carry out feed fibre batch mensuration just pay close attention to robust fibre (such as CXC-06 robust fibre analyser, can only measure six samples in 90 minutes).And the device of realizing feed neutral detergent fiber and acid detergent fiber batch mensuration abroad has: the ANKOM220 cellulose analyzer of the U.S., the product F IWE3/6 cellulose analyzer of Italian VELP company and the Fibertec2010 fibre analysis instrument of Sweden, but these external instrument cost are higher.
Summary of the invention
The technical matters that (one) will solve
The technical problem to be solved in the present invention is how to improve the determination efficiency of feed fibre content and measure collimation, and the cost of determination that how to reduce on this basis feed fibre content.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of device of Fast Measurement feed fibre content, comprise: heating arrangement, reaction vessel, condenser and support, in the described reaction vessel washing agent is housed, Feed Sample bag to be measured drops in the described reaction vessel and is positioned under the liquid level of washing agent, described support is positioned at the top of described heating arrangement, described condenser is fixedly mounted on the below of support and closely is fastened on the vessel port of described reaction vessel, described heating arrangement comprises warm table and heating controller, described warm table is provided with a plurality of heating units, place a reaction vessel on each heating unit and heat, described heating controller is used for heating-up temperature and the heat time heating time of control reaction vessel.
Wherein, also comprise briquetting, described briquetting is pressed on the Feed Sample bag to be measured.
Wherein, described heating controller comprises heating module, temperature automatically controlled module and time block;
Described heating module adds heat control for described reaction vessel is heated up, and single-point heating and multipoint heating are provided simultaneously;
When seething with excitement for the washing agent in described reaction vessel, described temperature automatically controlled module carries out heated at constant temperature control;
Described time block is used for reaction vessel is carried out timing heated.
Wherein, hook, water inlet pipe and rising pipe that described condenser comprises the lid of hollow dome and is separately positioned on the top of described lid, described cover cap is on the vessel port of described reaction vessel, described hook and described support fix, described water inlet pipe and rising pipe are connected to form the closed loop with emulsion tube respectively, and the outside of described emulsion tube is connected with condensate water.
Wherein, described briquetting comprises disk and the handle that is connected with disk.
Wherein, described briquetting is made by high density acid and alkali-resistance material.
Wherein, have a plurality of dredging holes on the described disk.
Wherein, described disk and handle adopt and removably connect.
Wherein, described stram condenser adopts the hard glass material to make.
Wherein, described warm table is made by the metal thermal conducting material, and described heating unit is made of lectrothermal alloy wire.
(3) beneficial effect
The device of a kind of Fast Measurement feed fibre content that technique scheme provides, its heating arrangement can carry out the fiber assaying reaction simultaneously for a plurality of reaction vessels, improve the determination efficiency of feed fibre content and measured collimation, and cost of determination is lower, and employing condenser, keep the concentration of washing agent in the course of reaction not change, so that measurement result is accurate.Further, adopt briquetting to be pressed on the Feed Sample bag to be measured, guarantee that washing agent guarantees that Feed Sample bag to be measured is controlled under the liquid level when boiling, be suspended on the liquid level of washing agent the problem that can not fully react with washing agent to solve Feed Sample bag to be measured in the mensuration process.
Description of drawings
Fig. 1 is the structural representation of the device of a kind of Fast Measurement feed fibre of the present invention content.
Wherein, 1, heating arrangement; 1-1, warm table; 1-2, heating controller; 1-2-1, rotary switch; 1-2-2, voltage table; 2, reaction vessel; 3, condenser; 3-1, lid; 3-2, hook; 3-3, water inlet pipe; 3-4, rising pipe; 3-5, emulsion tube; 4, support; 5, briquetting; 5-1, disk; 5-2, handle; 5-3, dredging hole.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Such as Fig. 1, the device of a kind of Fast Measurement feed fibre of the present invention content, comprise: heating arrangement 1, reaction vessel 2, condenser 3 and support 4, in the reaction vessel 2 washing agent is housed, Feed Sample bag to be measured drops in this reaction vessel 2 and is positioned under the liquid level of washing agent, support 4 is positioned at the top of heating arrangement 1, condenser 3 is fixedly mounted on the below of support 4 and closely is fastened on the vessel port of reaction vessel 2, heating arrangement 1 comprises warm table 1-1 and heating controller 1-2, warm table 1-1 is provided with a plurality of heating units, place a reaction vessel 2 on each heating unit and heat, heating controller 1-2 is used for heating-up temperature and the heat time heating time of control reaction vessel 2.Heating arrangement 1 among Fig. 1 is provided with 6 heating units, is two rows of symmetry, and one of back row's reaction vessel 2 is blocked by a row of front among Fig. 1, can hold a plurality of Feed Sample bags to be measured in each reaction vessel 2.Wherein: reaction vessel 2 can conveniently add the reaction of cleansing solution and observation fibre analysis for graduated transparent hard glass container; The size of reaction vessel 2 can be: high 15cm, internal diameter 8.5cm, thickness 0.5cm, the reaction vessel 2 of this kind specification can hold 6 Feed Sample bags to be measured, if each sample do 2 parallel, then once measure the mensuration can finish 18 Feed Samples, greatly improved work efficiency.Heating arrangement 1 of the present invention can carry out the fiber assaying reaction for a plurality of reaction vessels 2 simultaneously, determination efficiency and the mensuration collimation of the fiber content of feed have been improved, and reduced cost of determination, and employing condenser 3, keep the concentration of washing agent in the course of reaction not change, so that measurement result is accurate.
In order to improve the efficiency of heating surface of reaction vessel 2, warm table 1-1 is made by the metal thermal conducting material, preferentially adopts stainless steel thermal conductance material, and heating unit is made of lectrothermal alloy wire.Support 4 is stainless steel, and with warm table four jiaos of four jiaos of its bottom join, and it is reticulate texture for the fixing top of condenser 3.
For so that washing agent the time guarantees that Feed Sample bag to be measured is controlled under the liquid level in boiling, be suspended on the liquid level of washing agent the problem that can not fully react with washing agent to solve Feed Sample bag to be measured in the mensuration process, the problem that need to manually control, the present embodiment also comprises briquetting 5, and this briquetting 5 is pressed on the Feed Sample bag to be measured.For so that briquetting 5 is more fully pushed down Feed Sample bag to be measured, this briquetting 5 comprises disk 5-1 and the handle 5-2 that is connected with disk 5-1, the size of the size of disk 5-1 and reaction vessel 2 is complementary, and the effect of handle 5-2 is: conveniently be pressed on the Feed Sample bag to be measured briquetting 5 and taking-up after making things convenient for course of reaction or reaction to finish.In order to guarantee briquetting to the pressure of Feed Sample bag to be measured, do not react with washing agent simultaneously, 5 are made by high density acid and alkali-resistance material, are preferably acid and alkali-resistance high density polycarbonate material.Further, have a plurality of dredging hole 5-3 on the disk 5-1, flow of solution when guaranteeing the washing agent boiling, avoid effect that briquetting 5-1 is subject to boiling solution upwards the top and affect briquetting 5-1 to Feed Sample bag to be measured to the effect that presses down, be provided with 12 dredging hole 5-3 among Fig. 1.Further, briquetting 5-1's deposit to save the space in order to make things convenient for, simultaneously also in order to make things convenient for the replacing of handle 5-2, disk 5-1 and handle 5-2 adopt and removably connect, because handle 5-2 in use easily damages, if disk 5-1 and the non-removable words of handle 5-2 must be changed disk 5-1 and handle 5-2 simultaneously, caused the wasting of resources.According to the size of above-mentioned reaction vessel 2, the diameter of briquetting 5-1 can be 7.5cm, and thickness can be 0.5cm; Dredging hole 5-3 diameter can be 0.7cm, and handle 5-2 can be the right cylinder of 6cm, diameter 1cm; Handle 5-2 and disk 5-1 can assemble by screw socket.
Further, heating controller 1-2 comprises heating module, temperature automatically controlled module and time block; Heating module adds heat control for reaction vessel 2 is heated up, and single-point heating and multipoint heating are provided simultaneously, is specially and can heats for a heating unit, also can heat simultaneously for a plurality of heating units; When seething with excitement for the washing agent in reaction vessel 2, temperature automatically controlled module carries out heated at constant temperature control; Time block is used for reaction vessel 2 is carried out timing heated.Be respectively equipped with rotary switch 1-2-1 and voltage table 1-2-2 corresponding to each heating unit at the surface of shell of heating controller 1-2, by the heating-up temperature that rotary switch 1-2-1 can regulate the voltage of heating controller 1-2 and then regulate corresponding heating unit, magnitude of voltage can be read by voltage table 1-2-2.
The abundant condensation of steam that produces for reactant liquor that will boiling, be back in the reaction vessel 2, do not change with the concentration that guarantees washing agent in the course of reaction, the condenser 3 of the present embodiment comprises the lid 3-1 of hollow dome and the hook 3-2 that is separately positioned on the top of this lid 3-1, water inlet pipe 3-3 and rising pipe 3-4, lid 3-1 closely is fastened on the vessel port of reaction vessel 2, hook 3-2 and support 4 fix, water inlet pipe 3-3 and rising pipe 3-4 are connected to form the closed loop with emulsion tube 3-5 respectively, the outside of this emulsion tube 3-5 is connected with condensate water, this condensate water can be provided or for tap water by the circulating condensing machine, and is not shown among Fig. 1.In order to improve the steam-condensation effect, water inlet pipe 3-3 is inserted into the inside of condenser 3, has certain distance apart from the bottom of condenser 3, can be 0.3~0.5cm.In order to guarantee condensation effect and resistance to acids and bases, this stram condenser 3 adopts the hard glass material to make.According to the size of above-mentioned reaction vessel 2, the size of condenser 3 can be high 5.5cm, and first half diameter is 9.0cm, and the Lower Half diameter is 7.0cm, and its Lower Half closely is buckled in the vessel port of reaction vessel 2.
Utilize the device of a kind of Fast Measurement feed fibre content that technique scheme provides, carried out the analysis of blue or green dry alfalfa neutral detergent fiber (NDF) and acid detergent fiber (ADF) with present known method equipment, sample do 12 parallel.Indices is compared as follows table.The result shows, utilizes experimental provision of the present invention to measure feed fibre, all reach the requirement of analysis on accuracy and precision, and analysis efficiency improves greatly than classic method, thereby has greatly shortened the used time of measuring.
Project | The tradition assay method | Apparatus of the present invention |
Measure the used time (h) | 12.0 | 2.0 |
NDF(%,DM) | 34.03±1.26 | 34.38±0.78 |
ADF(%,DM) | 21.05±0.86 | 21.38±0.45 |
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (10)
1. the device of a Fast Measurement feed fibre content, it is characterized in that, comprise: heating arrangement, reaction vessel, condenser and support, in the described reaction vessel washing agent is housed, feed fibre sample sack to be measured drops in the described reaction vessel and is positioned under the liquid level of washing agent, described support is positioned at the top of described heating arrangement, described condenser is fixedly mounted on the below of support and closely is fastened on the vessel port of described reaction vessel, described heating arrangement comprises warm table and heating controller, described warm table is provided with a plurality of heating units, place a reaction vessel on each heating unit and heat, described heating controller is used for heating-up temperature and the heat time heating time of control reaction vessel.
2. the device of Fast Measurement feed fibre content as claimed in claim 1 is characterized in that, also comprises briquetting, and described briquetting is pressed on the Feed Sample bag to be measured.
3. the device of Fast Measurement feed fibre content as claimed in claim 1 is characterized in that, described heating controller comprises heating module, temperature automatically controlled module and time block;
Described heating module adds heat control for described reaction vessel is heated up, and single-point heating and multipoint heating are provided simultaneously;
When seething with excitement for the washing agent in described reaction vessel, described temperature automatically controlled module carries out heated at constant temperature control;
Described time block is used for reaction vessel is carried out timing heated.
4. the device of Fast Measurement feed fibre content as claimed in claim 1, it is characterized in that, hook, water inlet pipe and rising pipe that described condenser comprises the lid of hollow dome and is separately positioned on the top of described lid, described cover cap is on the vessel port of described reaction vessel, described hook and described support fix, described water inlet pipe and rising pipe are connected to form the closed loop with emulsion tube respectively, and the outside of described emulsion tube is connected with condensate water.
5. the device of Fast Measurement feed fibre content as claimed in claim 2 is characterized in that, described briquetting comprises disk and the handle that is connected with disk.
6. the device of Fast Measurement feed fibre content as claimed in claim 2 is characterized in that, described briquetting is made by high density acid and alkali-resistance material.
7. the device of Fast Measurement feed fibre content as claimed in claim 5 is characterized in that, has a plurality of dredging holes on the described disk.
8. the device of Fast Measurement feed fibre content as claimed in claim 5 is characterized in that, described disk and handle adopt and removably connect.
9. the device of Fast Measurement feed fibre content as claimed in claim 1 is characterized in that, described stram condenser adopts the hard glass material to make.
10. the device of Fast Measurement feed fibre content as claimed in claim 1 is characterized in that, described warm table is made by the metal thermal conducting material, and described heating unit is made of lectrothermal alloy wire.
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CN201210084500.9A CN103364527B (en) | 2012-03-27 | 2012-03-27 | Device for rapidly determining fiber content of feed |
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CN201210084500.9A CN103364527B (en) | 2012-03-27 | 2012-03-27 | Device for rapidly determining fiber content of feed |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103698543A (en) * | 2013-12-25 | 2014-04-02 | 上海纤检仪器有限公司 | Automatic detection equipment of dietary fiber |
CN107271321A (en) * | 2017-07-14 | 2017-10-20 | 上海纤检仪器有限公司 | Dietary fiber automatic detection device |
CN108020483A (en) * | 2018-01-25 | 2018-05-11 | 杭州神农牧业有限公司 | Neutral detergent fiber measurement device |
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CN2178357Y (en) * | 1993-10-12 | 1994-09-28 | 江苏省微生物研究所 | Quick-acting determination meter for coarse fibre |
CN201553734U (en) * | 2009-11-13 | 2010-08-18 | 姚长贵 | Automatic anticlogging methane pool |
CN202049082U (en) * | 2011-04-14 | 2011-11-23 | 济南海能仪器有限公司 | Crude fiber test instrument |
CN102323137A (en) * | 2011-09-07 | 2012-01-18 | 中国农业科学院草原研究所 | Fiber digestion apparatus |
CN202148309U (en) * | 2011-08-10 | 2012-02-22 | 刘西平 | Unpowered disturbing device for feed liquid of large biogas tank |
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- 2012-03-27 CN CN201210084500.9A patent/CN103364527B/en not_active Expired - Fee Related
Patent Citations (6)
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US5160578A (en) * | 1990-04-23 | 1992-11-03 | Phillips Petroleum Company | Separating of fibers from a fiber-containing solid sample |
CN2178357Y (en) * | 1993-10-12 | 1994-09-28 | 江苏省微生物研究所 | Quick-acting determination meter for coarse fibre |
CN201553734U (en) * | 2009-11-13 | 2010-08-18 | 姚长贵 | Automatic anticlogging methane pool |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103698543A (en) * | 2013-12-25 | 2014-04-02 | 上海纤检仪器有限公司 | Automatic detection equipment of dietary fiber |
CN107271321A (en) * | 2017-07-14 | 2017-10-20 | 上海纤检仪器有限公司 | Dietary fiber automatic detection device |
CN107271321B (en) * | 2017-07-14 | 2020-07-10 | 上海纤检仪器有限公司 | Dietary fiber automatic checkout device |
CN108020483A (en) * | 2018-01-25 | 2018-05-11 | 杭州神农牧业有限公司 | Neutral detergent fiber measurement device |
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