CN208270433U - A kind of formaldehyde in food device for fast detecting - Google Patents
A kind of formaldehyde in food device for fast detecting Download PDFInfo
- Publication number
- CN208270433U CN208270433U CN201820806791.0U CN201820806791U CN208270433U CN 208270433 U CN208270433 U CN 208270433U CN 201820806791 U CN201820806791 U CN 201820806791U CN 208270433 U CN208270433 U CN 208270433U
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- Prior art keywords
- formaldehyde
- pretreatment
- cylinder
- food
- filter screen
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Abstract
The utility model proposes a kind of formaldehyde in food device for fast detecting, including pretreatment mechanism and testing agency;The pretreatment mechanism includes pretreatment cylinder, the left side wall for pre-processing cylinder is equipped with feed inlet, pulverization roller there are two being set in pretreatment cylinder, an inclination stock guide is equipped with below pulverization roller, rolled plate is equipped with below stock guide, mixing roll is equipped between rolled plate and stock guide, filter screen is equipped with below rolled plate, agitating device is equipped with below filter screen, the pretreatment cylinder side wall first line of a couplet below filter screen is connected to inlet tube, it pre-processes and is equipped with heating device on the outside of the middle and lower part of cylinder, the bottom connection of pretreatment cylinder has sewer pipe and outlet tube, outlet tube connects reservoir, reservoir is through connecting tube connecting detection mechanism, testing agency includes detection pipe and piston.The utility model pre-processes food to be detected, then is tuned into solution, improves detection efficiency and accuracy;All reagents use prefabricated integrated reagent, are not necessarily to extemporaneous preparation, improve work efficiency.
Description
Technical field
The utility model relates to food inspection ancillary equipment field, particularly relates to a kind of formaldehyde in food and quickly detect dress
It sets.
Background technique
Since formaldehyde can improve the sensory properties of food, extend the shelf-life of food, plays bleaching and corrosion-resistant effect, mesh
The preceding some illegal retailers of food service industry are to seek exorbitant profit to send out the food additives such as marine product and its meat products to beverage, rice product, water
Add formaldehyde.Formaldehyde category protoplasmic toxin has damage or suspecious carcinogen to the nervous system of people, lung, liver, remains in
Formaldehyde in food can seriously endanger human health, forbid the working process that formaldehyde is used for food both at home and abroad, therefore, reinforce
The monitoring for carrying out formaldehyde in food objectively requires the mode that one kind is low in cost, easy to operate, can quickly detect at the scene.Mesh
Preceding existing formaldehyde in food detection method is substantially analyzed using large-scale instrument, its advantage is that high sensitivity, quantitative standard
Really.But these method equipment costs are high, sample pre-treatments are complicated, experiment condition requirement is stringent, professional is needed to operate and examine
The survey time is longer, is unsuitable for carrying out low cost, quickly detection at the scene.Traditional detection mode is all first to food to be detected
It is pre-processed, food to be detected is crushed, plus water, be modulated into what the sample to be tested of solution-type was detected again.By
It is more convenient to the content titration detection of various composition in food after pretreatment, but entire preprocessing process needs testing staff
Be operated manually, detection numerical value be affected by human factors it is larger, detection stability it is poor, affect the accurate of detection data
Property, and it is this manually pre-process relatively time consuming, influence detection efficiency.
Utility model content
The utility model proposes a kind of formaldehyde in food device for fast detecting, have easy to operate, fast quantification, detection essence
Spend the advantages that high.
The technical solution of the utility model is achieved in that
A kind of formaldehyde in food device for fast detecting, including pretreatment mechanism and the detection being connect with the pretreatment mechanism
Mechanism;Wherein, the pretreatment mechanism includes pretreatment cylinder, and the left side wall for pre-processing cylinder is equipped with feed inlet, pre-processes and set in cylinder
There are two pulverization roller, a stock guide being obliquely installed is equipped with below pulverization roller, is equipped with rolled plate below stock guide, rolled plate with
It is equipped with mixing roll between stock guide, filter screen is equipped with below rolled plate, is equipped with agitating device below filter screen, agitating device is by electricity
Machine driving, the output connection rotating shaft of motor, the shaft outer wall are socketed with agitating device;Pretreatment cylinder side below filter screen
The wall first line of a couplet is connected to inlet tube, and inlet tube is equipped with the first valve;It pre-processes and is equipped with heating device on the outside of the middle and lower part of cylinder, pretreatment
The bottom of cylinder, which couples, sewer pipe and outlet tube, outlet tube connection reservoir, the active layer of charcoal of the construction of outlet tube and reservoir,
The reservoir bottom angled setting;For reservoir through connecting tube connecting detection mechanism, the connecting tube is equipped with the second valve, inspection
Surveying mechanism includes detection pipe and piston, and sintering pad is equipped in detection pipe, loads colour developing respectively from the bottom to top between the sintering pad
Liquid reaction mixture layer, potassium hydroxide reaction mixture layer, potassium metaperiodate reaction mixture layer;The top of detection pipe, which is equipped with, lives
Plug, piston are connected firmly with pipe bolt.
Preferably, the sewer pipe is equipped with third valve.
Preferably, the distance between the mixing roll and the rolled plate are 2~4mm.
Preferably, the agitating device includes sleeve, is uniformly equipped with mixing blade in the outer circumferential walls of the sleeve.
Preferably, further include colorimetric card, various colors section is set on the colorimetric card, each color corresponds to different dense
The formalin of degree reacted with color developing agent after solution colour, and indicate the concentration of formaldehyde.
The utility model has the following beneficial effects:
1. the utility model such as is crushed to food to be detected, ground at the pretreatment, then is tuned into solution, detection is improved
Efficiency and accuracy reduce labor intensity, convenient to detect to formaldehyde in food content.
2. filter screen effectively stops impurity to flow into liquid storage chamber, active carbon layer absorbs food pigment that may be present, can solve
The problem of background color interference measurement having in food samples, become apparent from detection effect.
3. the utility model structure is simple, pretreatment cylinder is added the potassium ferrocyanide, mass fraction that mass fraction is 5% and is
The mixed solution for the acetylacetone,2,4-pentanedione buffer solution that 5% zinc acetate and mass fraction is 5%, avoids colloid protein in extracting solution
The measurement of formaldehyde result is influenced, and the reaction reagent of colour developing is separately loaded, effectively avoids measurement blank value excessively high, makes color layer
Shade is uniform, and all reagents use prefabricated integrated reagent, is not necessarily to extemporaneous preparation, improves work efficiency, have
The features such as easy to operate, easy to carry, at low cost, is suitable for quality supervision department, inspection and quarantine department, epidemic prevention station, defends
Raw department etc. and food processing enterprises wilderness demand in terms of control of product quality.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of quick methanol detection device of the utility model;
Wherein, 1. pretreatment cylinder, 2. pulverization rollers, 3. stock guides, 4. mixing rolls, 5. rolled plates, 6. filter screens, 7. first valves
Door, 8. inlet tubes, 9. pistons, 10. detection pipes, 11. pipe bolts, 12. potassium metaperiodate reaction mixture layers, the reaction of 13. potassium hydroxide
Mixture layer, 14. developing solution reaction mixture layers, 15. second valves, 16. reservoirs, 17. active carbon layers, 18. sewer pipes,
19. third valve, 20. heating devices, 21. motors, 22. shafts, 23. agitating devices, 24. feed inlets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of formaldehyde in food device for fast detecting, as shown in Figure 1, include pretreatment mechanism and with the pretreatment mechanism
The testing agency of connection;Wherein, the pretreatment mechanism includes pretreatment cylinder 1, and the left side wall of pretreatment cylinder 1 is equipped with feed inlet
24, it pre-processes and is set in cylinder 1 there are two pulverization roller 2, be equipped with a stock guide 3 being obliquely installed below pulverization roller 2, under stock guide 3
Side is equipped with rolled plate 5, and mixing roll 4 is equipped between rolled plate 5 and stock guide 3, is equipped with filter screen 6, filter screen 6 below rolled plate 5
Lower section is equipped with agitating device 23, and agitating device 23 is driven by motor 21, the output connection rotating shaft 22 of motor 21, the shaft 22
Outer wall is socketed with agitating device 23;The 1 side wall first line of a couplet of pretreatment cylinder of 6 lower section of filter screen is connected to inlet tube 8, and inlet tube 8 is equipped with
First valve 7;It pre-processes and is equipped with heating device 20 on the outside of the middle and lower part of cylinder 1, the bottom connection of pretreatment cylinder 1 has 18 He of sewer pipe
Outlet tube, outlet tube connect reservoir 16, and the active layer of charcoal 17 of the construction of outlet tube and reservoir, 16 bottom of reservoir is inclined
Tiltedly setting;For reservoir 16 through connecting tube connecting detection mechanism, the connecting tube is equipped with the second valve 15, and testing agency includes inspection
Test tube 10 and piston 9, interior be equipped with of detection pipe 10 are sintered pad, and the reaction of filling developing solution mixes respectively from the bottom to top between the sintering pad
Close nitride layer 14, potassium hydroxide reaction mixture layer 13, potassium metaperiodate reaction mixture layer 12;The top of detection pipe 10 is equipped with piston
9, piston 9 is connected firmly with pipe bolt 11.
Based on the above technical solution, the sewer pipe 18 is equipped with third valve 19.
Based on the above technical solution, the distance between the mixing roll 4 and the rolled plate 5 are 2~4mm.
Based on the above technical solution, the agitating device 23 includes sleeve, in the outer circumferential walls of the sleeve
It is even that mixing blade is installed.
Based on the above technical solution, further include colorimetric card, various colors section is set on the colorimetric card, each
The formalin that color corresponds to various concentration reacted with color developing agent after solution colour, and indicate the concentration of formaldehyde.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of formaldehyde in food device for fast detecting, which is characterized in that including pretreatment mechanism and with the pretreatment mechanism
The testing agency of connection;Wherein, the pretreatment mechanism includes pretreatment cylinder, and the left side wall for pre-processing cylinder is equipped with feed inlet, in advance
It is set in process cartridge there are two pulverization roller, pulverization roller lower section is equipped with a stock guide being obliquely installed, and is equipped with and rolls below stock guide
Plate is equipped with mixing roll between rolled plate and stock guide, filter screen is equipped with below rolled plate, is equipped with agitating device below filter screen,
Agitating device is driven by motor, the output connection rotating shaft of motor, and the shaft outer wall is socketed with agitating device;Below filter screen
The pretreatment cylinder side wall first line of a couplet be connected to inlet tube, inlet tube is equipped with the first valve;It pre-processes to be equipped on the outside of the middle and lower part of cylinder and add
Thermal, the bottom connection for pre-processing cylinder have a sewer pipe and outlet tube, and outlet tube connects reservoir, and outlet tube and reservoir are built
Equipped with active carbon layer, the reservoir bottom angled setting;Reservoir is set in the connecting tube through connecting tube connecting detection mechanism
There is the second valve, testing agency includes detection pipe and piston, is equipped with sintering in detection pipe and pads, between the sintering pad from the bottom to top
Developing solution reaction mixture layer, potassium hydroxide reaction mixture layer, potassium metaperiodate reaction mixture layer are loaded respectively;Detection pipe
Top is equipped with piston, and piston is connected firmly with pipe bolt.
2. a kind of formaldehyde in food device for fast detecting as described in claim 1, which is characterized in that the sewer pipe is equipped with
Third valve.
3. a kind of formaldehyde in food device for fast detecting as described in claim 1, which is characterized in that the mixing roll with it is described
The distance between rolled plate is 2~4mm.
4. a kind of formaldehyde in food device for fast detecting as described in claim 1, which is characterized in that the agitating device includes
Sleeve is uniformly equipped with mixing blade in the outer circumferential walls of the sleeve.
5. a kind of formaldehyde in food device for fast detecting as described in claim 1, which is characterized in that it further include colorimetric card, institute
State on colorimetric card setting various colors section, the formalin that each color corresponds to various concentration reacted with color developing agent after it is molten
Liquid color, and indicate the concentration of formaldehyde.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820806791.0U CN208270433U (en) | 2018-05-26 | 2018-05-26 | A kind of formaldehyde in food device for fast detecting |
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CN201820806791.0U CN208270433U (en) | 2018-05-26 | 2018-05-26 | A kind of formaldehyde in food device for fast detecting |
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CN201820806791.0U Expired - Fee Related CN208270433U (en) | 2018-05-26 | 2018-05-26 | A kind of formaldehyde in food device for fast detecting |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109358168A (en) * | 2018-12-24 | 2019-02-19 | 方贵雄 | Portable fruit or vegetable type food detection device |
CN111735917A (en) * | 2020-08-25 | 2020-10-02 | 南京锦华机械制造有限公司 | Formaldehyde detection device for building material |
CN112379062A (en) * | 2021-01-12 | 2021-02-19 | 潍坊惠米农业科技发展有限公司 | Food heavy metal detector |
CN113049582A (en) * | 2021-06-02 | 2021-06-29 | 天津海关动植物与食品检测中心 | Efficient detection device and method for heavy metal ions in food |
-
2018
- 2018-05-26 CN CN201820806791.0U patent/CN208270433U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109358168A (en) * | 2018-12-24 | 2019-02-19 | 方贵雄 | Portable fruit or vegetable type food detection device |
CN111735917A (en) * | 2020-08-25 | 2020-10-02 | 南京锦华机械制造有限公司 | Formaldehyde detection device for building material |
CN111735917B (en) * | 2020-08-25 | 2020-12-15 | 山东建业工程科技有限公司 | Formaldehyde detection device for building material |
CN112379062A (en) * | 2021-01-12 | 2021-02-19 | 潍坊惠米农业科技发展有限公司 | Food heavy metal detector |
CN113049582A (en) * | 2021-06-02 | 2021-06-29 | 天津海关动植物与食品检测中心 | Efficient detection device and method for heavy metal ions in food |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20190526 |