CN115445686B - Meat nutrient composition check out test set - Google Patents
Meat nutrient composition check out test set Download PDFInfo
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- CN115445686B CN115445686B CN202211069812.2A CN202211069812A CN115445686B CN 115445686 B CN115445686 B CN 115445686B CN 202211069812 A CN202211069812 A CN 202211069812A CN 115445686 B CN115445686 B CN 115445686B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/485—Sulfur compounds containing only one sulfur compound other than sulfur oxides or hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/12—Meat; fish
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
Abstract
The invention relates to meat nutrient component detection equipment, which belongs to the technical field of food detection, and comprises a rack, wherein an experiment table is arranged on the rack, a purification device is arranged in the rack, the purification device comprises a purification cavity arranged on the side wall of the rack 1, and a primary purification mechanism is arranged in the purification cavity; the primary purification mechanism comprises two positioning nets arranged on the inner wall of the purification cavity, a clamping groove is formed between the two positioning nets, a sieve plate is inserted into the clamping groove, and quicklime is attached to the sieve plate. The invention has the effects of purifying the generated gas and reducing the harm of the gas to people and the environment.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to meat nutrient component detection equipment.
Background
The protein detector is an instrument for calculating the protein content by measuring the nitrogen content in a sample according to the principle that the nitrogen content in the protein is constant. The protein detector (commonly called nitrogen determination instrument) is designed and manufactured based on the International Kjeldahl nitrogen determination method, and the host machine of the instrument adopts a steam automatic control generator, so that steam is stably output for a distiller in tens of seconds under the cooperation of a liquid level pressure stabilizer. The alkali liquor under the control of the first execution mechanism flows through the distillation tube and enters the quantitative digestion tube, so that ammonia fixed in the acid liquor volatilizes under alkaline conditions. And the steam under the control of the second executive mechanism distills the sample under the alkaline condition again, so that ammonia is thoroughly volatilized, the volatilized ammonia is condensed by a condenser and is completely fixed in boric acid, then the standard acid is used for titrating the ammonia to an end point, the nitrogen content is calculated, and the protein content is obtained by multiplying the coefficient of converted protein, so that the method is convenient and effective, and the protein content can be calculated rapidly and accurately.
The protein is an organic compound containing nitrogen, meat is heated and digested with sulfuric acid and a catalyst to decompose the protein, and decomposed ammonia is combined with sulfuric acid to produce ammonium sulfate. Under the action of intense heat, cuSO4 and concentrated H2SO4 , the amine radical in the organic matter is nitrified to generate (NH 4) 2SO4, and the reaction formula is: 2 NH2+H2S04+2H= (NH 4) 2S04 (wherein CuSO4 is used as a catalyst), wherein the generated ammonium sulfate is harmful to human body and has a stimulating effect on eyes, mucous membrane and skin, so that the gas generated by experiments is directly discharged outwards, and is easy to cause harm to human body and environment.
Disclosure of Invention
In order to purify the generated gas and reduce the harm of the gas to people and the environment, the invention provides meat nutrition component detection equipment.
The invention provides meat nutrient component detection equipment which adopts the following technical scheme:
the meat nutrient component detection equipment comprises a rack, wherein an experiment table is arranged on the rack, a purification device is arranged in the rack, the purification device comprises a purification cavity formed in the side wall of the rack 1, and a primary purification mechanism is arranged in the purification cavity; the primary purification mechanism comprises two positioning nets arranged on the inner wall of the purification cavity, a clamping groove is formed between the two positioning nets, a sieve plate is inserted into the clamping groove, and quicklime is attached to the sieve plate.
Through adopting above-mentioned technical scheme, the air current that produces in the experiment enters into the purification chamber, and quick lime on the sieve of primary purification mechanism can take place the reaction with the ammonium sulfate in the air current, and Ca (OH) 2+ (NH 4) 2SO4=CaSO4+2NH3+2H2O reduces harmful gas ammonium sulfate's harm to human body or environment.
Optionally, the purifying device comprises a purifying cavity arranged on the side wall of the frame, a vent is arranged on the side wall of the frame, a vent plate is hinged at a position corresponding to the vent in the frame, the top of the vent plate is hinged on the inner wall of the frame, and the bottom of the vent plate is arranged at a free end; two partition boards are fixedly arranged in the purification cavity of the frame, and the partition boards and the inner wall of the frame form a containing cavity surrounding the ventilation opening; two guide plates are fixedly arranged at the position, close to the top, in the purifying cavity of the frame, a guide channel through which air flows pass is formed between the guide plates and the inner wall of the frame, an air guide hole is formed at one end, close to the guide plates, of the baffle, and a primary purifying mechanism is arranged in the guide channel; the air exhaust hole is formed in the guide plate, an air exhaust channel is formed between the two accommodating cavities, a secondary purifying mechanism with the same structure as the primary purifying mechanism is arranged in the air exhaust channel, an air exhaust port is formed in the side wall of the frame, and a negative pressure piston mechanism which enables the air guide channel and the connecting channel to be in a negative pressure state is arranged in the accommodating cavities.
Through adopting above-mentioned technical scheme, negative pressure piston mechanism makes the water conservancy diversion passageway, hold the intracavity and be negative pressure state in the exhaust passage, after the atmospheric pressure that holds the intracavity is less than the atmospheric pressure on the test bench, the air current pushes away the ventilating board and enters into the chamber that holds, then in holding the chamber circulation to the water conservancy diversion passageway, quick lime on the sieve can take place the reaction with the ammonium sulfate in the air current, thereby reach the effect of purifying to the air current, the air current purifies the back and enters into in the exhaust passage, secondary purification mechanism in the exhaust passage carries out secondary purification to the air current, further reduce harmful gas ammonium sulfate in the gas, and then reduce the harm to human body or environment.
Optionally, the negative pressure piston mechanism includes the piston board that slides and connects in the water conservancy diversion passageway, and the piston board is located the air vent and keeps away from the one side of locating network to and the pressure board that slides and connect in the exhaust passageway is provided with the drive assembly that drives the pressure board and move down and drive the piston board and move in opposite directions or drive the pressure board and move in opposite directions when upwards driving the pressure board in the frame.
Through adopting above-mentioned technical scheme, drive assembly drive pressure board downward movement drives the piston board and moves in opposite directions, makes the interior negative pressure state that is of water conservancy diversion passageway, makes the air current on the test bench enter into the holding intracavity, holds the air current in the intracavity and enters into the water conservancy diversion passageway, and after drive assembly drive pressure board upward movement, drive piston board to the direction motion of backing mutually, make the interior negative pressure state that is of exhaust passage, make the air current in the water conservancy diversion passageway enter into the exhaust passage.
Optionally, the drive assembly includes the cam that sets up in the junction of exhaust passage and water conservancy diversion passageway, set firmly the motor in the frame, the output shaft of motor extends to in the frame and fixed connection is on the cam, it has connecting rod one to articulate on the cam, one end of connecting rod one articulates in the eccentric position department of cam, one end that the connecting rod one kept away from the cam articulates on the pressure plate, still articulate on the cam connecting rod two and connecting rod three, connecting rod two and connecting rod three articulate in the eccentric position department of cam, form one hundred eighty degrees between connecting rod two and connecting rod three and the centre of a circle of cam, one end that connecting rod two and connecting rod three kept away from the cam articulates respectively on the piston plate of frame both sides.
By adopting the technical scheme, the motor drives the cam to rotate positively to drive the connecting rod I to push the pressure plate to move downwards, and meanwhile, the connecting rod II and the connecting rod III pull the piston plate in the diversion channel to move oppositely, so that the diversion channel is in a negative pressure state, and air flow is convenient to enter the accommodating cavity and the diversion channel; when the motor drives the cam to rotate reversely, the first connecting rod pulls the pressure plate to move upwards, the first connecting rod and the second connecting rod push the piston plate to move oppositely, the pressure in the exhaust channel is smaller than the pressure in the diversion channel, and air flow in the diversion channel enters the exhaust channel through the one-way valve.
Optionally, the baffle is close to the air vent has been seted up to the one end of guide plate, and the baffle is located the position of air vent and articulates there is a baffle, and the bottom of baffle is the free end setting.
Through adopting above-mentioned technical scheme, after the atmospheric pressure in the water conservancy diversion passageway is less than the atmospheric pressure that holds the intracavity, the air current struts the baffle, and the air current of being convenient for enters into the water conservancy diversion passageway in, prevents simultaneously that the piston board from moving the in-process of being in opposite directions from each other, with the air current backward flow in the water conservancy diversion passageway to hold the chamber.
Optionally, the air exhaust holes are formed in the guide plate, two air exhaust plates are fixedly arranged at positions of the frame corresponding to the air exhaust holes, a connecting channel for air flow to pass through is formed between the air exhaust plates, and a one-way valve is fixedly arranged on the guide plate.
By adopting the technical scheme, in the downward movement process of the pressure plate, the one-way valve can prevent the air flow in the exhaust channel from flowing back into the diversion channel.
Optionally, the screen plate is detachably connected to the frame.
Through adopting above-mentioned technical scheme, the sieve is removable, is convenient for change the sieve regularly, or add quick lime, does not influence purifying effect.
Optionally, the lateral wall of frame has seted up the breach groove, breach groove and double-layered groove intercommunication, rotates on the lateral wall of frame to be connected with spacing, threaded connection has the bolt on the spacing.
Through adopting above-mentioned technical scheme, the screen plate can follow breach groove one side roll-off frame, rotates spacing to support tightly on the screen plate, and the rethread bolt is fixed spacing, can be fixed screen plate and frame, and during the change, rotatable spacing is followed breach groove one side roll-off with the screen plate, and then is convenient for change the screen plate.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the embodiment.
Fig. 2 is a cross-sectional view of an embodiment.
Fig. 3 is a sectional view for highlighting the purifying means.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is an exploded view for highlighting the clip groove.
Reference numerals illustrate: 1. a frame; 11. a test bed; 12. a bracket; 13. a nitrogen fixation bottle; 14. an electric furnace; 15. a protective door; 16. a vent; 161. a ventilation board; 2. a purifying device; 21. a purification chamber; 22. a partition plate; 221. a receiving chamber; 222. an air guide hole; 223. a baffle; 23. a deflector; 231. a diversion channel; 232. an exhaust hole; 2321. a one-way valve; 233. an exhaust plate; 234. a connection channel; 235. an exhaust passage; 236. an exhaust port; 3. a primary purifying mechanism; 31. a positioning net; 32. a clamping groove; 33. a sieve plate; 34. a notch groove; 35. a limit bar; 4. a secondary purifying mechanism; 5. a negative pressure piston mechanism; 51. a piston plate; 52. a pressure plate; 53. a motor; 54. a cam; 55. a first connecting rod; 56. a second connecting rod; 57. and a connecting rod III.
Detailed Description
The invention is described in further detail below with reference to fig. 1-5.
The embodiment of the invention discloses meat nutrient component detection equipment. Referring to fig. 1 and 2, a meat nutrient composition detection device includes a frame 1, a laboratory bench is provided in the frame 1, a support 12 is placed in a laboratory bench 11 of the frame 1, a nitrogen bottle 13 is provided on the support 12, meat, concentrated sulfuric acid, a catalyst and the like are carried in the nitrogen bottle 13, an electric furnace 14 is placed on the table, the electric furnace 14 is used for heating the nitrogen bottle 13, a protective door 15 is hinged at a position of the frame 1 corresponding to the laboratory bench, and the protective door 15 enables the table to be in a closed state.
Referring to fig. 2 and 3, since (NH 4) 2SO4 is produced by nitrifying amine roots in the organic matter by strong heat and CuSO4 and concentrated H2SO4 , the produced ammonium sulfate is harmful to human body, and thus, the purification apparatus 2 is provided in the rack 1 in order to purify the produced ammonium sulfate. The purification device 2 comprises a purification cavity 21 arranged on the side wall of the frame 1, two rows of ventilation openings 16 are arranged on the side wall of the frame 1, the ventilation openings 16 are vertically arranged, a ventilation plate 161 is hinged in the frame 1 at a position corresponding to the ventilation openings 16, the top of the ventilation plate 161 is hinged on the inner wall of the frame 1, and the bottom is provided with a free end; two partition plates 22 are fixedly arranged in the purification cavity 21 of the frame 1, and each row of ventilation openings 16 are enclosed by the partition plates 22, so that an accommodating cavity 221 is formed by the partition plates 22 and the inner wall of the frame 1; when the air pressure in the accommodation chamber 221 is smaller than the air pressure on the test bed 11, the air flow pushes the ventilation plate 161 open into the accommodation chamber 221.
Two guide plates 23 are fixedly arranged in the purification cavity 21 of the frame 1 near the top, a guide channel 231 through which air flows pass is formed between the guide plates 23 and the partition plate 22 and between the guide plates and the inner wall of the frame 1, an air guide hole 222 is formed in one end of the partition plate 22 near the guide plates 23, a baffle plate 223 is hinged to the position of the partition plate 22, and the bottom of the baffle plate 223 is arranged at the free end; when the air pressure in the diversion channel 231 is smaller than the air pressure in the accommodating cavity 221, the air flow expands the baffle 223, so that the air flow enters the diversion channel 231. The air exhaust hole 232 is formed in the guide plate 23, two air exhaust plates 233 are fixedly arranged at positions of the machine frame 1 corresponding to the air exhaust holes 232, a connecting channel 234 for air flow to pass through is formed between the air exhaust plates 233, a one-way valve 2321 is fixedly arranged on the guide plate 23, the one-way valve 2321 is located in the connecting channel 234, an air exhaust channel 235 is formed between the two accommodating cavities 221, the connecting channel 234 is used for communicating the air exhaust channel 235 with the air guide channel 231, an air exhaust opening 236 is formed in the side wall of the machine frame 1, and the air exhaust opening 236 is located at the bottom of the air exhaust channel 235.
Referring to fig. 4 and 5, a primary purifying mechanism 3 is disposed in the guide channel 231, the primary purifying mechanism 3 includes two positioning nets 31 fixed on the inner wall of the guide channel 231, a clamping groove 32 is formed between the two positioning nets 31, a sieve plate 33 is inserted into the clamping groove 32, quicklime is attached to the sieve plate 33, and the reaction equation of the quicklime and ammonium sulfate is as follows: ca (OH) 2+ (NH 4) 2so4=caso4+2nh3+2h2o. The lateral wall of frame 1 has seted up breach groove 34, breach groove 34 and double-layered groove 32 intercommunication, and screen plate 33 can follow breach groove 34 one side roll-off frame 1, rotates on the lateral wall of frame 1 to be connected with spacing 35, and threaded connection has the bolt on the spacing 35, rotates spacing 35 to support tightly on screen plate 33, and the rethread bolt is fixed spacing 35, can be fixed screen plate 33 and frame 1.
The exhaust passage 235 is internally provided with a secondary purifying mechanism 4 with the same structure as the exhaust passage 235, and the secondary purifying mechanism 4 is mainly used for secondary purifying of air flow and more thoroughly removing ammonium sulfate in the air flow, and is not repeated herein.
Referring to fig. 1 and 3, a negative pressure piston mechanism 5 is disposed between the exhaust passage 235 and the diversion passage 231, the negative pressure piston mechanism 5 includes a piston plate 51 slidably connected in the diversion passage 231, the piston plate 51 is located at a side of the air guide hole 222 away from the positioning net 31, and a pressure plate 52 slidably connected in the exhaust passage 235; the connection part of the exhaust passage 235 and the diversion passage 231 is rotationally connected with a cam 54, a motor 53 is fixedly arranged on the frame 1, an output shaft of the motor 53 extends into the frame 1 and is fixedly connected with the cam 54, a first connecting rod 55 is hinged on the cam 54, one end of the first connecting rod 55 is hinged on the eccentric position of the cam 54, one end of the first connecting rod 55, which is far away from the cam 54, is hinged on the pressure plate 52, a second connecting rod 56 and a third connecting rod 57 are hinged on the cam 54, the second connecting rod 56 and the third connecting rod 57 are hinged on the eccentric position of the cam 54, one hundred eighty degrees are formed between the second connecting rod 56 and the center of a circle of the third connecting rod 57 and the center of the cam 54, and one ends of the second connecting rod 56 and the third connecting rod 57, which are far away from the cam 54, are respectively hinged on the piston plates 51 on two sides of the frame 1.
The motor 53 drives the cam 54 to rotate positively to drive the first connecting rod 55 to push the pressure plate 52 to move downwards, and meanwhile, the second connecting rod 56 and the third connecting rod 57 pull the piston plate 51 in the diversion channel 231 to move oppositely, so that the diversion channel 231 is in a negative pressure state, and air flow is convenient to enter the accommodating cavity 221 and the diversion channel 231; when the motor 53 drives the cam 54 to rotate reversely, the first connecting rod 55 pulls the pressure plate 52 to move upwards, the first connecting rod 55 and the second connecting rod 56 push the piston plate 51 to move oppositely, the pressure in the air exhaust passage 235 is smaller than the pressure in the air guide passage 231, and the air flow in the air guide passage 231 enters the air exhaust passage 235 through the one-way valve 2321.
The implementation principle of the meat nutrient component detection equipment provided by the embodiment of the invention is as follows: adding meat, concentrated sulfuric acid, a catalyst and the like into a nitrogen fixing bottle 13, opening an electric furnace 14 to heat the nitrogen fixing bottle 13, closing a protective door 15, and reacting the meat, the concentrated sulfuric acid, the catalyst and the like to generate ammonium sulfate; the motor 53 drives the cam 54 to rotate positively to drive the first connecting rod 55 to push the pressure plate 52 to move downwards, meanwhile, the second connecting rod 56 and the third connecting rod 57 pull the piston plate 51 in the diversion channel 231 to move oppositely, so that the diversion channel 231 is in a negative pressure state, meanwhile, the accommodating cavity 221 is in a negative pressure state, air flow is convenient to enter the accommodating cavity 221 and the diversion channel 231, quicklime on the sieve plate 33 in the diversion channel 231 can react with ammonium sulfate, ammonium sulfate mixed in the air flow is reduced, and finally the air flow enters the exhaust channel 235 through the one-way valve 2321; when the motor 53 drives the cam 54 to rotate reversely, the first connecting rod 55 pulls the pressure plate 52 to move upwards, the first connecting rod 55 and the second connecting rod 56 push the piston plate 51 to move oppositely, the pressure in the air exhaust channel 235 is smaller than the pressure in the air guide channel 231, the air flow in the air guide channel 231 enters the air exhaust channel 235 through the one-way valve 2321, and the quicklime in the air exhaust channel 235 reacts with the residual ammonium sulfate in the air flow again, so that the ammonium sulfate in the air flow is removed more thoroughly.
The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (5)
1. Meat nutrient composition check out test set, including frame (1), be provided with the laboratory bench on frame (1), its characterized in that:
a purification device (2) is arranged in the frame (1), the purification device (2) comprises a purification cavity (21) arranged on the side wall of the frame (1), and a primary purification mechanism (3) is arranged in the purification cavity (21);
the primary purification mechanism (3) comprises two positioning nets (31) arranged on the inner wall of the purification cavity (21), a clamping groove (32) is formed between the two positioning nets (31), a sieve plate (33) is inserted in the clamping groove (32), and quicklime is attached to the sieve plate (33);
a ventilation opening (16) is formed in the side wall of the frame (1), a ventilation plate (161) is hinged in the frame (1) corresponding to the ventilation opening (16), the top of the ventilation plate (161) is hinged to the inner wall of the frame (1), and the bottom of the ventilation plate is arranged at the free end;
two partition boards (22) are fixedly arranged in the purification cavity (21) of the frame (1), and the partition boards (22) and the inner wall of the frame (1) form a containing cavity (221) surrounding the ventilation opening (16);
two guide plates (23) are fixedly arranged in the purification cavity (21) of the frame (1) near the top, a guide channel (231) for air flow to pass through is formed between the guide plates (23) and the partition plate (22) and between the guide plates and the inner wall of the frame (1), an air guide hole (222) is formed in one end, close to the guide plates (23), of the partition plate (22), and the primary purification mechanism (3) is arranged in the guide channel (231);
an exhaust hole (232) is formed in the guide plate (23), an exhaust channel (235) is formed between the two accommodating cavities (221), a secondary purifying mechanism (4) with the same structure as the primary purifying mechanism (3) is arranged in the exhaust channel (235), an exhaust hole (236) is formed in the side wall of the frame (1), and a negative pressure piston mechanism (5) which enables the inside of the guide channel (231) and the inside of the connecting channel (234) to be in a negative pressure state is arranged in the accommodating cavities (221);
the negative pressure piston mechanism (5) comprises a piston plate (51) connected in the diversion channel (231) in a sliding way, the piston plate (51) is positioned on one side of the air guide hole (222) far away from the positioning net (31), and a pressure plate (52) connected in the exhaust channel (235) in a sliding way, and a driving assembly for driving the pressure plate (52) to move downwards to drive the piston plate (51) to move oppositely or driving the pressure plate (52) to move upwards to drive the piston plate (51) to move reversely is arranged on the frame (1);
the driving assembly comprises a cam (54) arranged at the joint of the exhaust channel (235) and the diversion channel (231), a motor (53) is fixedly arranged on the frame (1), an output shaft of the motor (53) extends into the frame (1) and is fixedly connected to the cam (54), a first connecting rod (55) is hinged to the cam (54), one end of the first connecting rod (55) is hinged to the eccentric position of the cam (54), one end of the first connecting rod (55) away from the cam (54) is hinged to the pressure plate (52), a second connecting rod (56) and a third connecting rod (57) are hinged to the cam (54), the second connecting rod (56) and the third connecting rod (57) are hinged to the eccentric position of the cam (54), and one hundred eighty degrees are formed between the second connecting rod (56) and the circle center of the cam (54), and one ends of the second connecting rod (56) and the third connecting rod (57) away from the cam (54) are hinged to piston plates (51) on two sides of the frame (1) respectively.
2. The meat nutrition monitoring apparatus of claim 1, wherein: an air guide hole (222) is formed in one end, close to the guide plate (23), of the partition plate (22), a baffle plate (223) is hinged to the position, located on the air guide hole (222), of the partition plate (22), and the bottom of the baffle plate (223) is arranged at the free end.
3. The meat nutrition monitoring apparatus of claim 1, wherein: the air guide plate (23) is provided with an air exhaust hole (232), two air exhaust plates (233) are fixedly arranged at positions of the frame (1) corresponding to the air exhaust holes (232), a connecting channel (234) for air flow to pass through is formed between the air exhaust plates (233), and the air guide plate (23) is fixedly provided with a one-way valve (2321).
4. The meat nutrition monitoring apparatus of claim 1, wherein: the sieve plate (33) is detachably connected to the frame (1).
5. The meat nutrition monitoring apparatus of claim 4, wherein: the side wall of the frame (1) is provided with a notch groove (34), the notch groove (34) is communicated with the clamping groove (32), a limit bar (35) is rotationally connected to the side wall of the frame (1), and a bolt is connected to the limit bar (35) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211069812.2A CN115445686B (en) | 2022-09-01 | 2022-09-01 | Meat nutrient composition check out test set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211069812.2A CN115445686B (en) | 2022-09-01 | 2022-09-01 | Meat nutrient composition check out test set |
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| Publication Number | Publication Date |
|---|---|
| CN115445686A CN115445686A (en) | 2022-12-09 |
| CN115445686B true CN115445686B (en) | 2023-06-27 |
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| CN202211069812.2A Active CN115445686B (en) | 2022-09-01 | 2022-09-01 | Meat nutrient composition check out test set |
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