CN210700450U - Freeze-drying and smashing device for wheat grass - Google Patents

Freeze-drying and smashing device for wheat grass Download PDF

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Publication number
CN210700450U
CN210700450U CN201921403806.XU CN201921403806U CN210700450U CN 210700450 U CN210700450 U CN 210700450U CN 201921403806 U CN201921403806 U CN 201921403806U CN 210700450 U CN210700450 U CN 210700450U
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drying chamber
drying
freeze
valve
wheat straw
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梁比琦
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Guangzhou Yixi Biotechnology Co ltd
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Guangzhou Yixi Biotechnology Co ltd
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Abstract

The utility model discloses a freeze drying and crushing device for wheat grass, wherein a discharge pipeline is arranged at the bottom of a drying chamber; the feeding hopper is positioned at the top of the drying chamber; the water vapor collecting tank is communicated to the top of the drying chamber through a condensing pipe; the multilayer crushing device is positioned in the drying chamber and is vertically arranged on the longitudinal central axis of the drying chamber; the vacuum pressure pump is communicated with the interior of the drying chamber through a vacuum pumping pipeline; the liquid nitrogen box with the pump is communicated with the inside of the drying chamber through a liquid nitrogen pipe; the multilayer crushing device, the vacuum pressure pump and the liquid nitrogen box are all in control connection with the control device; because the multi-layer crushing device is adopted in the drying chamber, the gasified liquid nitrogen is matched for cooling, and the vacuum pressure pump is combined for pressure regulation, the wheat straw containing the rootstocks is in the same cavity, the wheat straw can be crushed for a plurality of times in the freeze drying process, the wheat straw can be fully freeze-dried in the crushing process, the processing process is simple, the cost is low, and the nutritional ingredients of the wheat straw are completely reserved.

Description

Freeze-drying and smashing device for wheat grass
Technical Field
The utility model relates to a later stage processing equipment field of wheatgrass especially relates to a freeze drying reducing mechanism of wheatgrass.
Background
Wheatgrass (Wheatgrass) is a plant, the genus roentgen (Agropyron), which is a unique wheat, with the mature fruit being a red wheat berry. Especially young leaves of herba Centipedae (Agropyron cristatum, the same kind of wheat) can be squeezed to obtain juice or sun-dried and ground. The unprocessed plants are difficult to digest and absorb by human body because of containing a large amount of cellulose.
Wheat grass contains rich chlorophyll, vitamin A, vitamin C, vitamin E, vitamin B group, mineral calcium, magnesium, phosphorus, iron and selenium, super antioxidant SOD, fiber and beneficial enzyme, belongs to a substance with extremely high nutritive value, and is more and more widely applied to the aspect of medical curative effect.
In the prior art, the processing technology of wheat grass usually relates to the drying treatment of the wheat grass; however, most of the drying treatment in the existing drying technology adopts high temperature, and the nutrient components of the wheat grass cannot be completely reserved; although a few of the prior art also adopts low-temperature drying, the low-temperature drying and the crushing or grinding are basically completed in different cavities separately, so that the equipment cost is higher, and the processing process is more complicated; in addition, in the processing of the sub-cavity body, the phenomenon that materials are stacked together often occurs in the low-temperature drying link, so that the materials cannot be sufficiently dried, and the later processing effect is influenced.
Therefore, there is still a need for improvement and development of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a freeze drying and smashing device for wheat grass, which has the advantages of simple processing process and low cost, and can completely keep the nutrient components of the wheat grass.
The technical scheme of the utility model as follows: a freeze-drying and crushing device for wheat grass comprises: the device comprises a drying chamber, a feeding funnel, a water vapor collecting tank, a multi-layer crushing device, a vacuum pressure pump, a liquid nitrogen box and a control device; wherein, the bottom of the drying chamber is provided with a discharge pipeline, and a discharge valve and an ultrafine screen are arranged on the discharge pipeline; the feeding funnel is positioned on a top cover of the drying chamber, a feeding pipeline is communicated between the top cover and the bottom of the feeding funnel, and a feeding valve is arranged on the feeding pipeline; the water vapor collecting tank is communicated to the top cover of the drying chamber through a condensing pipe, and a water vapor collecting valve is arranged on the condensing pipe; the multilayer crushing device is positioned in the drying chamber and is vertically arranged on the longitudinal central axis of the drying chamber; the vacuum pressure pump is communicated with the inside of the drying chamber through a vacuum pumping pipeline and is used for adjusting the vacuum degree and the pressure in the drying chamber; the liquid nitrogen box is communicated with the inside of the drying chamber through a liquid nitrogen pipe and is used for adjusting the temperature inside the drying chamber; the multilayer crushing device, the vacuum pressure pump and the liquid nitrogen box are all in control connection with the control device.
The freeze drying and crushing device for wheat grass comprises: the bottom wall of the drying chamber is also provided with two air inlets capable of blowing air transversely, each air inlet is communicated with an air blower through a respective air inlet pipeline, each air inlet pipeline is provided with a respective air inlet quantity adjusting valve, the air blowers are in control connection with a control device and used for controlling high-pressure air flow blown out by the air blowers according to the accumulation condition of wheat grass materials at the bottom of the drying chamber, blowing the wheat grass materials accumulated at the corners of the bottom of the drying chamber to a high position and repeatedly crushing the wheat grass materials through a multi-layer crushing device for multiple times.
The freeze drying and crushing device for wheat grass comprises: the inner surface of the side wall of the drying chamber is a rough surface, and the surface roughness is Ra 60-200 μm.
The freeze drying and crushing device for wheat grass comprises: the inner space of the drying chamber is in the shape of an inverted cone frustum, and the inner side wall of one side of the drying chamber is in an upward oblique line on the longitudinal section of the drying chamber.
The freeze drying and crushing device for wheat grass comprises: the bottom wall of the drying chamber is in the shape of an inverted cone, and the discharge pipeline is communicated with the tip end of the inverted cone-shaped bottom wall.
The freeze drying and crushing device for wheat grass comprises: and an emptying valve is arranged on the top cover of the drying chamber and is used for adjusting the pressure in the drying chamber together with a vacuum pressure pump.
The freeze drying and crushing device for wheat grass comprises: the top cover of the drying chamber is also provided with a safety valve and a thermometer, the safety valve is used for preventing the internal pressure of the drying chamber from exceeding the safety pressure, and the thermometer is used for displaying the temperature value inside the drying chamber in real time.
The freeze drying and crushing device for wheat grass comprises: the multilayer crushing device comprises 6-8 pairs of pulping knives arranged from top to bottom at intervals, each layer of the multilayer crushing device is composed of two symmetrically arranged pulping knives, and each pulping knife is provided with a cutting edge.
The freeze drying and crushing device for wheat grass comprises: the vacuum pumping pipeline is further provided with a vacuum pumping valve and a pressure gauge, the vacuum pumping valve is used for adjusting the vacuum degree inside the drying chamber, and the pressure gauge is used for displaying the pressure value inside the drying chamber in real time.
The freeze drying and crushing device for wheat grass comprises: the top of the feeding funnel is provided with a funnel cover which can be opened and closed.
The utility model provides a pair of freeze-drying reducing mechanism of wheat grass owing to adopted multilayer reducing mechanism in the drying chamber to the liquid nitrogen of cooperation gasification cools down, and combines the vacuum force pump to carry out the pressure regulating, and the wheat grass that contains the rhizome is at same cavity, and the in-process that can freeze-drying is smashed many times, can obtain abundant freeze-drying again at kibbling in-process, and not only the course of working is simple, low cost, has completely kept the nutrient composition of wheat grass moreover.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the wheat straw freeze-drying and crushing device of the present invention;
reference numbers in the figures: the drying chamber 100, the top cover 110, the thermometer 111, the blow-down valve 112, the safety valve 113, the inner side wall 120, the bottom wall 130, the discharge pipe 131, the discharge valve 132, the ultrafine screen 133, the feed hopper 200, the hopper cover 210, the feed pipe 220, the feed valve 230, the water vapor collection tank 300, the condensation pipe 310, the water vapor collection valve 320, the multi-layer grinding device 400, the beater 410, the vacuum pressure pump 500, the vacuuming pipe 510, the vacuuming valve 511, the pressure gauge 512, the liquid nitrogen tank 600, the liquid nitrogen pipe 610, the control device 700, the blower 800, the air inlet pipe 810, the air inlet 820 and the air inlet adjusting valve 830.
Detailed Description
The following detailed description and examples of the present invention are provided in connection with the accompanying drawings, which are set forth for the purpose of illustration only and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a wheatgrass freeze-drying and pulverizing device of the present invention, which comprises a drying chamber 100, a feeding funnel 200, a water vapor collecting tank 300, a multi-layer pulverizing device 400, a vacuum pressure pump 500, a liquid nitrogen tank 600 with a pump and a control device 700; wherein, the bottom of the drying chamber 100 is provided with a discharge pipe 131, and the discharge pipe 131 is provided with a discharge valve 132 and an ultrafine screen 133; the feeding funnel 200 is positioned on the top cover 110 of the drying chamber 100, a feeding pipeline 220 is communicated between the top cover 110 and the bottom of the feeding funnel 200, and a feeding valve 230 is arranged on the feeding pipeline 220; the water vapor collection tank 300 is communicated to the top cover 110 of the drying chamber 100 through a condensation pipe 310, a water vapor collection valve 320 is arranged on the condensation pipe 310, and the water vapor collection tank is used for collecting water vapor sublimated by wheat grass in the drying chamber 100 in the freeze drying process when the water vapor collection valve 320 is opened; the multi-layer pulverizing apparatus 400 is located inside the drying chamber 100 and is vertically disposed on the longitudinal central axis of the drying chamber 100; the vacuum pressure pump 500 is connected to the inside of the drying chamber 100 via a vacuum pipe 510, for example, by connecting the upper part of the sidewall 120 of the drying chamber 100 to the inside thereof, so as to adjust the vacuum degree and pressure inside the drying chamber 100, preferably, in order to prevent the splashed wheat grass debris from entering the vacuum pipe 510, a replaceable or detachable filter screen may be disposed at the mouth of the vacuum pipe 510; the liquid nitrogen box 600 is communicated with the inside of the drying chamber 100 through a liquid nitrogen pipe 610, for example, by connecting the upper part of the sidewall 120 of the drying chamber 100 with the inside thereof, so as to adjust the temperature inside the drying chamber 100 by using gasified liquid nitrogen, and preferably, in order to prevent the splashed wheat grass debris from entering the liquid nitrogen pipe 610, a replaceable or detachable filter screen may be provided at the mouth of the liquid nitrogen pipe 610; the multi-layer crushing device 400, the vacuum pressure pump 500 and the liquid nitrogen box 600 are all in control connection with the control device 700.
It should be noted that, because the market demands for products are different, consumers need to reuse products with better taste and using effect, and under normal pressure, the temperature of liquid nitrogen can reach-196 ℃, the wheat grass materials can be frozen and hardened at ultralow temperature under lower temperature, the wheat grass materials are easier to crush, the crushing degree is thinner, and even the wall breaking effect is achieved, so that the produced products have finer taste, the nutritional ingredients of the wheat grass can be more completely retained, the absorption effect is better, and therefore, the production cost and the product price are higher by using the liquid nitrogen.
In the preferred embodiment of the wheat straw freeze-drying and pulverizing device of the present invention, preferably, two air inlets 820 capable of blowing air transversely are further disposed on the bottom wall 130 of the drying chamber 100, each air inlet 820 is respectively communicated with the air blower 800 via a respective air inlet pipeline 810, each air inlet pipeline 810 is provided with a respective air inlet amount adjusting valve 830, the air blower 800 is in control connection with the control device 700, and is used for controlling the high-pressure air flow blown out by the air blower 800 according to the accumulation condition of wheat straw material at the bottom of the drying chamber 100, blowing the wheat straw material accumulated at the corner of the bottom of the drying chamber 100 to a high place, and repeatedly pulverizing through the multi-layer pulverizing device 400 for many times, so as to further improve the pulverizing effect of wheat straw; preferably, in order to prevent wheat and grass debris from entering the air inlets 820, filter screens which can be replaced or disassembled for washing can be arranged at the mouths of the two air inlets 820.
Preferably, the inner surface of the sidewall 120 of the drying chamber 100 is rough, and the surface roughness thereof is between Ra 60-200 μm, thereby facilitating the rebound of the harder roots of wheat grass during the crushing process.
Preferably, the inner space of the drying chamber 100 is in the shape of an inverted cone frustum, that is, when viewed from the longitudinal section of the drying chamber 100, the inner side walls 120 on one side are all in an upward oblique line; thereby helping to bounce the harder roots of the wheat grass upwards during the crushing process.
Preferably, the bottom wall 130 of the drying chamber 100 is in the shape of an inverted cone, and the discharge pipe 131 is communicated with the tip end of the inverted cone-shaped bottom wall 130, so as to facilitate the wheat grass powder after freeze drying and crushing to flow out from the discharge pipe 131.
Preferably, the top cover 110 of the drying chamber 100 is provided with a vent valve 112 for cooperating with the vacuum pressure pump 500 to adjust the pressure inside the drying chamber 100.
Preferably, a safety valve 113 and a thermometer 111 are further disposed on the top cover 110 of the drying chamber 100, the safety valve 113 is used for preventing the internal pressure of the drying chamber 100 from exceeding a safety pressure, and the thermometer 111 is used for displaying a temperature value inside the drying chamber 100 in real time.
Preferably, the multi-layer crushing device 400 comprises 6-8 pairs of pulping knives 410 arranged from top to bottom at intervals, each layer consists of two symmetrically arranged pulping knives 410, and each pulping knife 410 is provided with a sharp cutting edge so as to ensure that wheat grass and rhizomes thereof are fully crushed; since wheat grass is not sufficiently dried at the beginning of crushing, crushing must be performed by rapid rotation using a sharp blade, and a blade without a sharp blade cannot be used.
Preferably, the evacuation pipe 510 is further provided with an evacuation valve 511 and a pressure gauge 512, the evacuation valve 511 is used for adjusting the vacuum degree inside the drying chamber 100, and the pressure gauge 512 is used for displaying the pressure value inside the drying chamber 100 in real time.
In addition, preferably, the top of the feeding funnel 200 is provided with a hopper cover 210 which can be opened and closed, the hopper cover 210 is opened, and wheat grass to be processed is added into the feeding funnel 200; after the whole device is started to operate, the funnel cover 210 must be buckled firstly to open the feeding valve 230 so as to prevent wheat straw in the feeding funnel 200 from splashing outwards.
The utility model discloses wheatgrass freeze drying reducing mechanism's theory of operation and process are as follows:
step S110, opening a water vapor collecting valve 320 on the condensation pipe 310; opening the hopper cover 210 of the feed hopper 200, adding a certain amount of wheat grass (which may have roots) to be processed into the feed hopper 200, closing the hopper cover 210, and closing the emptying valve 112 on the top cover 110 of the drying chamber 100;
step S120, turning on a main switch of the whole device, wherein the liquid nitrogen box 600 starts to work under the control of the control device 700, gasified liquid nitrogen enters the inside of the drying chamber 100 through the liquid nitrogen pipe 610 and is monitored through the thermometer 111 on the top cover 110 of the drying chamber 100 so as to gradually reduce the temperature inside the drying chamber 100 to a specified temperature;
step S130, under the control of the control device 700, the multi-layer pulverizing apparatus 400 starts rotating at a high speed; opening a feeding valve 230, enabling wheat straws to be processed in a feeding funnel 200 to fall from the top of the drying chamber 100 through a feeding pipeline 220, performing primary crushing through a plurality of pairs of beating knives 410 which run at a high speed, and closing the feeding valve 230 after all the wheat straws in the feeding funnel 200 enter the drying chamber 100;
step S140, checking the safety valve 113 on the top cover 110 of the drying chamber 100, opening the vacuum valve 511 on the vacuum pipeline 510, under the control of the control device 700, starting the vacuum pressure pump 500 to work, and adjusting and monitoring through the vacuum valve 511 and the pressure gauge 512 on the vacuum pipeline 510 to control the vacuum degree in the drying chamber 100 and assist the sublimation of the moisture in the wheat grass; while in the primary crushing process, some wheat grass roots are thrown onto the inclined inner side wall 120 of the drying chamber 100 and are rebounded upwards by the rough surface to be crushed again on the beating knife 410;
step S150, under the control of the control device 700, the blower 800 starts to work, the air inlet quantity regulating valve 830 is opened, high-pressure air flow enters the drying chamber 100 through the two air inlets 820 capable of blowing air transversely on the bottom wall 130 along the air inlet pipeline 810, wheat grass materials accumulated at the bottom of the drying chamber 100 are blown to a high position circularly, and are crushed for multiple times through multiple pairs of beating knives 410 which run at a high speed; in the whole crushing process, the blower 800 is always in an open state, and the blower 800 is not finally closed until the air inlet quantity regulating valve 830 is closed, so that crushed wheat grass powder is prevented from entering the blower 800 from the air inlet 820; the sublimated water is condensed into liquid water through the condensing pipe 310 and flows into the water vapor collection tank 300;
step S160, after a specified period of processing time, closing the air inlet quantity regulating valve 830 and the vacuumizing valve 511 in sequence, and then closing the blower 800, the vacuum pressure pump 500 and the liquid nitrogen box 600 in sequence under the control of the control device 700; opening an emptying valve 112 on a top cover 110 of the drying chamber 100, connecting a collecting bag at the tail end of a discharge pipeline 131, opening a discharge valve 132, enabling the wheat grass powder subjected to freeze drying and crushing to fall into the collecting bag through an ultrafine screen 133, obtaining the wheat grass powder subjected to finish machining, stopping the multilayer crushing device 400 after the wheat grass materials in the drying chamber 100 are emptied, and then taking out the ultrafine screen 133 and cleaning; at the same time, the liquid water in the water vapor collection canister 300 is poured off and the water vapor collection valve 320 is closed.
It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the art can add, subtract, replace, change or modify the above-mentioned embodiments within the spirit and principle of the present invention, and all such additions, substitutions, changes or modifications should fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a freeze drying reducing mechanism of wheat grass which characterized in that: comprises a drying chamber, a feeding funnel, a water vapor collecting tank, a multi-layer crushing device, a vacuum pressure pump, a liquid nitrogen box with a pump and a control device; wherein, the bottom of the drying chamber is provided with a discharge pipeline, and a discharge valve and an ultrafine screen are arranged on the discharge pipeline; the feeding funnel is positioned on a top cover of the drying chamber, a feeding pipeline is communicated between the top cover and the bottom of the feeding funnel, and a feeding valve is arranged on the feeding pipeline; the water vapor collecting tank is communicated to the top cover of the drying chamber through a condensing pipe, and a water vapor collecting valve is arranged on the condensing pipe; the multilayer crushing device is positioned in the drying chamber and is vertically arranged on the longitudinal central axis of the drying chamber; the vacuum pressure pump is communicated with the inside of the drying chamber through a vacuum pumping pipeline and is used for adjusting the vacuum degree and the pressure in the drying chamber; the liquid nitrogen box is communicated with the inside of the drying chamber through a liquid nitrogen pipe and is used for adjusting the temperature inside the drying chamber; the multilayer crushing device, the vacuum pressure pump and the liquid nitrogen box are all in control connection with the control device.
2. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the bottom wall of the drying chamber is also provided with two air inlets capable of blowing air transversely, each air inlet is communicated with an air blower through a respective air inlet pipeline, each air inlet pipeline is provided with a respective air inlet quantity adjusting valve, the air blowers are in control connection with a control device and used for controlling high-pressure air flow blown out by the air blowers according to the accumulation condition of wheat grass materials at the bottom of the drying chamber, blowing the wheat grass materials accumulated at the corners of the bottom of the drying chamber to a high position and repeatedly crushing the wheat grass materials through a multi-layer crushing device for multiple times.
3. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the inner surface of the side wall of the drying chamber is a rough surface, and the surface roughness is Ra 60-200 μm.
4. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the inner space of the drying chamber is in the shape of an inverted cone frustum, and the inner side wall of one side of the drying chamber is in an upward oblique line on the longitudinal section of the drying chamber.
5. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the bottom wall of the drying chamber is in the shape of an inverted cone, and the discharge pipeline is communicated with the tip end of the inverted cone-shaped bottom wall.
6. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: and an emptying valve is arranged on the top cover of the drying chamber and is used for adjusting the pressure in the drying chamber together with a vacuum pressure pump.
7. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the top cover of the drying chamber is also provided with a safety valve and a thermometer, the safety valve is used for preventing the internal pressure of the drying chamber from exceeding the safety pressure, and the thermometer is used for displaying the temperature value inside the drying chamber in real time.
8. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the multilayer crushing device comprises 6-8 pairs of pulping knives arranged from top to bottom at intervals, each layer of the multilayer crushing device is composed of two symmetrically arranged pulping knives, and each pulping knife is provided with a cutting edge.
9. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the vacuum pumping pipeline is further provided with a vacuum pumping valve and a pressure gauge, the vacuum pumping valve is used for adjusting the vacuum degree inside the drying chamber, and the pressure gauge is used for displaying the pressure value inside the drying chamber in real time.
10. The apparatus for freeze-drying and pulverizing wheat straw as claimed in claim 1, wherein: the top of the feeding funnel is provided with a funnel cover which can be opened and closed.
CN201921403806.XU 2019-08-27 2019-08-27 Freeze-drying and smashing device for wheat grass Active CN210700450U (en)

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CN201921403806.XU CN210700450U (en) 2019-08-27 2019-08-27 Freeze-drying and smashing device for wheat grass

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CN201921403806.XU CN210700450U (en) 2019-08-27 2019-08-27 Freeze-drying and smashing device for wheat grass

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113680509A (en) * 2021-10-26 2021-11-23 江苏博甲生物科技有限公司 Broken grinder of fruit for beverage processing
CN113814054A (en) * 2021-08-19 2021-12-21 河海大学 Multistage acceleration type freeze-drying grinding instrument
CN114798125A (en) * 2022-04-18 2022-07-29 上海净信实业发展有限公司 Vacuum freezing grinding device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113814054A (en) * 2021-08-19 2021-12-21 河海大学 Multistage acceleration type freeze-drying grinding instrument
CN113680509A (en) * 2021-10-26 2021-11-23 江苏博甲生物科技有限公司 Broken grinder of fruit for beverage processing
CN114798125A (en) * 2022-04-18 2022-07-29 上海净信实业发展有限公司 Vacuum freezing grinding device and method

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