CN213580301U - Sample pretreatment device for tea heavy metal detection - Google Patents
Sample pretreatment device for tea heavy metal detection Download PDFInfo
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- CN213580301U CN213580301U CN202021982140.0U CN202021982140U CN213580301U CN 213580301 U CN213580301 U CN 213580301U CN 202021982140 U CN202021982140 U CN 202021982140U CN 213580301 U CN213580301 U CN 213580301U
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Abstract
The utility model provides a sample pretreatment device for tealeaves heavy metal detects, relates to heavy metal detection area, especially relates to a heavy metal detects uses sample pretreatment device. The device comprises a shell, a constant temperature PTC heater, an air inlet pipe, a fan, a vent pipe, a first feed inlet, a second feed inlet, a blanking block, a crushing device, a storage chamber, a soaking chamber, a discharge port and a liquid outlet pipe, wherein the air inlet pipe is connected with the shell through the vent pipe; the constant-temperature PTC heater is arranged on the upper portion of an inner cavity of the shell, the transverse partition plate is arranged in the inner cavity of the shell, a blanking block is arranged on the edge of the upper portion of the transverse partition plate, a cavity formed by the blanking block and the transverse partition plate is a crushing cavity, a crushing device is arranged in the crushing cavity, the cylindrical partition plate divides the cavity between the transverse partition plate and the bottom of the shell into a material storage chamber and a soaking chamber, a discharge hole is formed in the bottom of the material storage chamber, and a. The utility model is used for tealeaves heavy metal detection area.
Description
Technical Field
The utility model relates to a heavy metal detection area especially relates to a heavy metal detects uses sample pretreatment device.
Background
Tea is a traditional health food in China, and the number of people drinking tea globally exceeds 20 hundred million. The problem of the sanitary quality of the tea is directly related to the prospect of the tea industry in China. At present, the problem that the heavy metal of tea leaves exceeds standard in China becomes a subject which needs to be seriously confronted and researched after pesticide residue. The effective detection of heavy metals in tea leaves has been paid much attention to.
In the detection process of the heavy metal elements in the tea leaves, the pretreatment step is very important. Since heavy metals enter tea leaves in various ways, the treatment of tea leaf samples prior to heavy metal detection also requires diversification. Some tea leaves need to be dried at the constant temperature of 80 ℃, then are crushed and sieved to obtain tea leaf powder, and the tea leaf powder is subjected to the next detection. And the other tea leaves are soaked in pure water for a period of time, then are filtered, and the filtrate is taken for the next detection.
When the existing tea heavy metal detection is carried out, the steps of drying, crushing, sieving, soaking, filtering and the like are usually carried out one by one. Each step is operated respectively, which is relatively complicated and has low efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a when solving current method and carrying out the pretreatment of tealeaves heavy metal detection, each step is operated respectively, and is comparatively loaded down with trivial details, problem that efficiency is not high provides a sample pretreatment device for tealeaves heavy metal detection.
The utility model discloses a sample pretreatment device for tea heavy metal detection, which comprises a shell, a constant temperature PTC heater, an air inlet pipe, a fan, a breather pipe, a first feed inlet, a second feed inlet, a blanking block, a crushing device, a storage chamber, a soaking chamber, a discharge port and a drain pipe;
an air inlet pipe is arranged at the upper part of one side of the shell, a fan is arranged at the inlet of the air inlet pipe, a vent pipe is arranged on the shell and at the other side relative to the air inlet pipe, a constant temperature PTC heater is arranged at the upper part of the inner cavity of the shell, a transverse partition plate is arranged at 1/3 which is positioned at the height of the shell in the inner cavity of the shell, a blanking block is arranged at the edge of the upper part of the transverse partition plate, a cavity formed by the blanking block and the transverse partition plate is a crushing cavity, a crushing device is arranged in the crushing cavity and comprises a rotating shaft, a rotating blade and a driving motor, a screen is arranged in the,
a cylindrical partition plate is arranged between the diaphragm plate and the bottom of the shell and positioned at the center, the cylindrical partition plate divides a chamber between the diaphragm plate and the bottom of the shell into a storage chamber and a soaking chamber, the storage chamber is positioned at the center and just below the screen, the soaking chamber is positioned around the storage chamber, a second feeding hole is arranged at the position of the shell positioned in the soaking chamber,
the rotary shaft link up crushing chamber and storage compartment, driving motor sets up the lower extreme at the storage compartment, and driving motor's upper end is connected the rotary shaft, and the part that lies in crushing chamber on the rotary shaft is provided with the rotating blade, the bottom of storage compartment is equipped with the discharge gate, the bottom of soaking the room is equipped with the drain pipe, the mouth of pipe department of drain pipe is equipped with the filter screen.
Furthermore, a sponge plate is arranged at the top of the inner cavity of the shell.
Further, the size of the screen is the same as the size of the cross section of the storage chamber.
Further, the lower part of storage compartment is equipped with the hang plate, the discharge gate sets up the minimum at the hang plate.
Further, the liquid outlet pipe is connected with a liquid outlet at the bottom of the soaking chamber through threads.
Furthermore, the discharge hole and the liquid outlet pipe are both provided with valves.
The utility model discloses a theory of operation:
the utility model discloses a processing apparatus before tealeaves sample not only can carry out the shredding of tealeaves sample, can also carry out the soaking treatment of tealeaves sample. When tea powder is required to be taken for heavy metal detection, tea samples are firstly put into the device through the first feed port, the tea samples enter the crushing cavity through the blanking block, then the constant-temperature PTC heater and the fan are started, the temperature of the constant-temperature PTC heater is adjusted, the temperature in the inner cavity of the shell is increased, and therefore the tea in the crushing cavity is heated, the moisture at the evaporation part of the temperature increase of the tea samples is enabled, and after the water vapor rises to the upper part of the inner cavity of the shell, the water vapor is blown to the vent pipe by the fan, and then the tea is discharged outside the device. After the tea sample is dried, the crushing device is started to crush the dried tea sample, and the obtained tea powder falls into the storage chamber through the screen and is discharged through the discharge port. When the heavy metal detection is carried out on the filtrate obtained after tea soaking, tea samples are firstly put into a soaking chamber of the device through a second feed port, then pure water is added into the soaking chamber for soaking treatment, a valve on the liquid outlet pipe is opened after soaking is completed, tea filtrate flows out through the liquid outlet pipe, and tea is intercepted in the soaking chamber by the filter screen. The liquid outlet pipe can be taken down, and the waste tea leaves are removed for the next use.
The utility model has the advantages that:
the utility model discloses constant temperature PTC heater among the device can play and carry out the dry effect of constant temperature heating to the tealeaves sample. The upper surface of the blanking block is inclined, so that the tea sample can fall into the crushing cavity conveniently. The utility model discloses ingenious with the storage compartment with soak the room setting together, the storage compartment is located central authorities, soaks the room and encircles around the storage compartment, and two rooms are cut apart into 2 independent cavities through the tube-shape baffle. Can be soaked, dried and crushed, and separated from each other in a dry and wet way without mutual influence. The utility model discloses a processing apparatus before tealeaves sample can collect the drying of tealeaves, smash, sieve, soak, operating procedure such as filtration as an organic whole, and these operations all can be accomplished in this device, and are convenient, swift, high-efficient.
Drawings
FIG. 1 is a schematic structural view of a sample pretreatment device for heavy metal detection of tea leaves according to the present invention;
fig. 2 is a schematic structural view of a sample pretreatment apparatus according to a fourth embodiment.
Detailed Description
The technical scheme of the utility model is not limited to the specific implementation modes listed below, and also includes any combination between each specific implementation mode.
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and the sample pretreatment device for detecting heavy metals in tea comprises a housing 1, a constant temperature PTC heater 2, an air inlet pipe 3, a fan 4, a vent pipe 5, a first feed inlet 6, a second feed inlet 7, a blanking block 8, a crushing device, a storage chamber 10, an immersion chamber 11, a discharge port 12 and a liquid outlet pipe 13;
the utility model discloses a grinding device, including casing 1, inlet pipe 3, transverse baffle plate 9, inlet pipe 3, intake pipe 3, breather pipe 5, constant temperature PTC heater 2, transverse baffle plate 9, feed block 8, crushing chamber, crushing device includes rotation axis 91, rotating blade 92 and driving motor 93, the upper portion of one side of casing 1 is equipped with intake pipe 3, the entrance of intake pipe 3 is equipped with fan 4, the opposite side for intake pipe 3 is equipped with on casing 1, the inner chamber upper portion of casing 1 is equipped with constant temperature PTC heater 2, the 1/3 department that is located casing 1 height in the inner chamber of casing 1 is equipped with transverse baffle plate 9, transverse baffle plate 9 upper portion edge is equipped with feed block 8, the cavity that feed block 8 and transverse baffle plate 9 formed,
a cylindrical partition plate 14 is arranged at the central position between the diaphragm plate 9 and the bottom of the shell 1, the cylindrical partition plate 14 divides a chamber between the diaphragm plate 9 and the bottom of the shell 1 into a storage chamber 10 and an infusion chamber 11, the storage chamber 10 is positioned at the center and just below the screen 94, the infusion chamber 11 is positioned around the storage chamber 10, a second feeding hole 7 is arranged at the position of the shell 1, which is positioned in the infusion chamber 11,
the rotating shaft 91 penetrates through the crushing cavity and the storage chamber 10, the driving motor 93 is arranged at the lower end of the storage chamber 10, the upper end of the driving motor 93 is connected with the rotating shaft 91, a rotating blade 92 is arranged on the part, located in the crushing cavity, of the rotating shaft 91, a discharge hole 12 is formed in the bottom of the storage chamber 10, a liquid outlet pipe 13 is arranged at the bottom of the soaking chamber 11, and a filter screen 15 is arranged at the pipe orifice of the liquid outlet pipe 13.
The tea sample pretreatment device of the present embodiment can not only pulverize a tea sample but also soak a tea sample. When tea powder is required to be taken for heavy metal detection, a tea sample is firstly placed into the device through the first feeding hole 6, the tea sample enters the crushing cavity through the blanking block 8, then the constant temperature PTC heater 2 and the fan 4 are started, the temperature of the constant temperature PTC heater 2 is adjusted, the temperature in the inner cavity of the shell 1 rises, tea in the crushing cavity is heated, the temperature of the tea sample rises to evaporate water, and water vapor is blown to the vent pipe 5 by the fan 4 after rising to the upper part of the inner cavity of the shell 1, so that the tea is discharged outside the device. After the tea sample is dried, the crushing device is started to crush the dried tea sample, and the obtained tea powder falls into the storage chamber 10 through the screen 94 and is discharged through the discharge port 12. When heavy metal detection is carried out on filtrate obtained after tea soaking, a tea sample is placed into the soaking chamber 11 of the device through the second feeding hole, pure water is added into the soaking chamber 11 for soaking treatment, a valve on the liquid outlet pipe 13 is opened after soaking is completed, tea filtrate flows out through the liquid outlet pipe 13, and tea is intercepted in the soaking chamber 11 by the filter screen 94. The outlet pipe 13 can then be removed to remove the waste tea leaves for further use.
The constant temperature PTC heater 2 in the device of the present embodiment can perform the function of heating and drying the tea sample at a constant temperature. The upper surface of the blanking block 8 is inclined, so that tea samples can fall into the crushing cavity conveniently. The utility model discloses ingenious with storage chamber 10 with soak room 11 and set up together, storage chamber 10 is located central authorities, soaks room 11 and encircles around storage chamber 10, and two rooms are cut apart into 2 independent cavities through tube-shape baffle 14. Can be soaked, dried and crushed, and separated from each other in a dry and wet way without mutual influence. The tea sample pretreatment device of the embodiment can integrate the operation steps of drying, crushing, sieving, soaking, filtering and the like of tea, and the operations can be completed in the device, so that the device is convenient, rapid and efficient.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: the top of the inner cavity of the shell 1 is provided with a sponge plate 101. The rest is the same as the first embodiment.
This embodiment sets up the sponge board at casing inner chamber top, can play the effect of absorption aqueous vapor, further improves the dry effect of sample.
The third concrete implementation mode: the first difference between the present embodiment and the specific embodiment is: the screen 94 is the same size as the cross-sectional area of the accumulator chamber 10. The rest is the same as the first embodiment.
The size of the screen 94 is the same as the cross section of the storage chamber 10, so that the tea sample powder can be accurately dropped into the storage chamber, and the tea sample powder can be placed in the soaking chamber.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 2, and the present embodiment is different from the first embodiment in that: the lower part of the storage chamber 10 is provided with an inclined plate 16, and the discharge hole 12 is arranged at the lowest part of the inclined plate 16. The rest is the same as the first embodiment.
The provision of the inclined plate 16 facilitates the discharge of the tea sample powder out of the reservoir chamber 10, preventing powder from remaining in the reservoir chamber 10.
The fifth concrete implementation mode: the first difference between the present embodiment and the specific embodiment is: the liquid outlet pipe 13 is connected with a liquid outlet at the bottom of the soaking chamber 11 through threads. The rest is the same as the first embodiment.
The liquid outlet pipe 13 is connected with a liquid outlet at the bottom of the soaking chamber 11 through threads, so that the liquid outlet pipe 13 and the filter screen can be detached, and the tea residue can be conveniently discharged.
The sixth specific implementation mode: the first difference between the present embodiment and the specific embodiment is: and the discharge port 12 and the liquid outlet pipe 13 are both provided with valves. The rest is the same as the first embodiment.
The valve is arranged to control the discharge of the sample.
The utility model discloses the standard part that uses all can purchase on market, and dysmorphism piece all can be customized according to the record of description and drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and part, equipment all adopt conventional model among the prior art, and circuit connection adopts conventional connected mode among the prior art, does not detailed here again.
Claims (6)
1. A sample pretreatment device for tea heavy metal detection is characterized by comprising a shell (1), a constant temperature PTC heater (2), an air inlet pipe (3), a fan (4), a vent pipe (5), a first feed inlet (6), a second feed inlet (7), a blanking block (8), a crushing device, a storage chamber (10), a soaking chamber (11), a discharge port (12) and a liquid outlet pipe (13);
the utility model discloses a grinding machine, including casing (1), inlet pipe (3) are equipped with on one side upper portion of casing (1), the entrance of inlet pipe (3) is equipped with fan (4), the opposite side for inlet pipe (3) is equipped with breather pipe (5) on casing (1), the inner chamber upper portion of casing (1) is equipped with constant temperature PTC heater (2), 1/3 department that lies in casing (1) height in the inner chamber of casing (1) is equipped with cross slab (9), cross slab (9) upper portion edge is equipped with down material piece (8), the cavity that lower material piece (8) and cross slab (9) formed is crushing chamber, crushing intracavity is equipped with the reducing mechanism, the reducing mechanism includes rotation axis (91), rotating blade (92) and driving motor (93), the central authorities of cross slab (9) are equipped with screen cloth (94), the top that lies in lower material piece (8) on casing (1) is equipped with first feed inlet,
a cylindrical partition plate (14) is arranged at the position, located at the center, between the diaphragm plate (9) and the bottom of the shell (1), the cylindrical partition plate (14) divides a chamber between the diaphragm plate (9) and the bottom of the shell (1) into a storage chamber (10) and an immersion chamber (11), the storage chamber (10) is located at the center and just below the screen (94), the immersion chamber (11) is located around the storage chamber (10), and a second feeding hole (7) is arranged at the position, located in the immersion chamber (11), of the shell (1),
crushing chamber and storage chamber (10) are link up in rotation axis (91), driving motor (93) set up the lower extreme in storage chamber (10), and rotation axis (91) are connected to driving motor (93)'s upper end, and the part that lies in crushing chamber on rotation axis (91) is provided with rotating blade (92), the bottom of storage chamber (10) is equipped with discharge gate (12), the bottom of soaking room (11) is equipped with drain pipe (13), the mouth of pipe department of drain pipe (13) is equipped with filter screen (15).
2. The sample pretreatment device for detecting the heavy metal in the tea leaves as claimed in claim 1, wherein a sponge plate (101) is arranged at the top of the inner cavity of the shell (1).
3. The sample pretreatment device for heavy metal detection of tea according to claim 1, wherein the size of the screen (94) is the same as the size of the cross section of the storage chamber (10).
4. The sample pretreatment device for detecting the heavy metal in the tea leaves as claimed in claim 1, wherein the storage chamber (10) is provided with an inclined plate (16) at the lower part thereof, and the discharge port (12) is arranged at the lowest part of the inclined plate (16).
5. The sample pretreatment device for detecting the heavy metal in the tea leaves as claimed in claim 1, wherein the liquid outlet pipe (13) is connected to the liquid outlet at the bottom of the soaking chamber (11) through a screw thread.
6. The sample pretreatment device for detecting the heavy metal in the tea leaves as claimed in claim 1, wherein the discharge port (12) and the liquid outlet pipe (13) are provided with valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982140.0U CN213580301U (en) | 2020-09-11 | 2020-09-11 | Sample pretreatment device for tea heavy metal detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982140.0U CN213580301U (en) | 2020-09-11 | 2020-09-11 | Sample pretreatment device for tea heavy metal detection |
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| Publication Number | Publication Date |
|---|---|
| CN213580301U true CN213580301U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021982140.0U Active CN213580301U (en) | 2020-09-11 | 2020-09-11 | Sample pretreatment device for tea heavy metal detection |
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|---|---|
| CN (1) | CN213580301U (en) |
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2020
- 2020-09-11 CN CN202021982140.0U patent/CN213580301U/en active Active
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