CN216718190U - Pre-processing device of gas-phase molecular absorption spectrometer - Google Patents
Pre-processing device of gas-phase molecular absorption spectrometer Download PDFInfo
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- CN216718190U CN216718190U CN202122486905.2U CN202122486905U CN216718190U CN 216718190 U CN216718190 U CN 216718190U CN 202122486905 U CN202122486905 U CN 202122486905U CN 216718190 U CN216718190 U CN 216718190U
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Abstract
A gas phase molecular absorption spectrometer pretreatment device belongs to the technical field of gas phase molecular absorption spectrometer pretreatment equipment. The method is characterized in that: agitating unit sets up in churn (1), the input port of circulating pump (6) and the middle part intercommunication of churn (1), the delivery outlet of circulating pump (6) is connected with spray tube (7) and back flow (8) simultaneously, the output of spray tube (7) and the top intercommunication of churn (1), and the atomizer is installed to the output of spray tube (7), the output of back flow (8) and the bottom intercommunication of churn (1), the middle part of churn (1) still is connected with peristaltic pump (17), churn (1) still is connected with heating device. The gas phase molecular absorption spectrometer pre-processing device ensures that samples in the mixing drum are uniformly mixed, can capture volatilized samples, and avoids the influence on the accuracy of a detection result caused by the volatilization of the samples.
Description
Technical Field
A gas phase molecular absorption spectrometer pretreatment device belongs to the technical field of gas phase molecular absorption spectrometer pretreatment equipment.
Background
Gas phase molecular absorption spectroscopy, if the sample contains reducing and oxidizing substances, needs to be pretreated. The existing pretreatment is that an oxidant and a reducing agent are added after sampling, the sample is heated and dissolved on an electric furnace and is subjected to sample injection analysis after waiting for a certain time, so that the sample is easily dissolved, heated and cooled, loss and volatilization of the sample are caused in the standing process, air is polluted, the detection result is inaccurate, particularly the sample needs to be diluted, and the error is correspondingly increased after the dilution multiple is amplified.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the gas phase molecular absorption spectrometer preprocessing device can fully stir a sample and avoid influencing a detection result due to sample volatilization.
The technical scheme adopted by the utility model for solving the technical problems is as follows: this leading processing apparatus of gaseous phase molecule absorption spectrometer, its characterized in that: including the churn, agitating unit and circulating pump, the churn is bottom confined drum, the top cap is passed through at the top of churn and is sealed, agitating unit sets up in the churn, the input port of circulating pump and the middle part intercommunication of churn, the delivery outlet of circulating pump is connected with spray tube and back flow simultaneously, the output of spray tube and the top intercommunication of churn, and the atomizer is installed to the output of spray tube, the output of back flow and the bottom intercommunication of churn, the middle part of churn still is connected with the peristaltic pump, the churn still is connected with heating device.
Preferably, the stirring device comprises a stirring motor, a stirring shaft and a stirring paddle, wherein the stirring shaft is rotatably arranged in the stirring cylinder, the stirring paddle is arranged on the stirring shaft and synchronously rotates along with the stirring shaft, and the stirring motor is connected with the stirring shaft.
Preferably, the stirring motor is installed on the top cover, the power input shaft is rotatably installed on the top cover, a square butt joint hole is formed in the lower end of the power input shaft, a square butt joint portion is arranged at the upper end of the stirring shaft, and the butt joint portion can slidably extend into the butt joint hole. The butt joint portion of the stirring shaft extends into the butt joint hole, the butt joint of the power input shaft and the stirring shaft is completed, the butt joint is reliable, the top cover is conveniently taken down, and a sample is added into the stirring cylinder.
Preferably, the stirring device further comprises a supporting cylinder and a supporting spring, the supporting cylinder is a cylinder with a closed lower end, the supporting cylinder is installed at the bottom of the stirring cylinder, the lower end of the stirring shaft can slidably extend into the supporting cylinder, the supporting spring is arranged in the supporting cylinder arranged on the lower side of the stirring shaft, the lower end of the stirring shaft is supported on the supporting spring, and a cam mechanism for lifting the stirring shaft is arranged between the stirring shaft and the supporting cylinder. The stirring shaft and the supporting cylinder rotate relatively, the reciprocating lifting of the stirring shaft is realized in the rotating process through the cam mechanism, and the good stirring effect of the sample in the stirring cylinder is ensured.
Preferably, the cam mechanism comprises a pin shaft arranged on the inner wall of the supporting cylinder and a guide groove arranged around the outer wall of the stirring shaft, the guide groove is in a wave line shape, and the pin shaft is slidably arranged in the guide groove.
Preferably, the heating device comprises a jacket, a hot water tank and a water inlet pump, the jacket is arranged around the mixing drum, an output port of the water inlet pump is communicated with the bottom of the jacket, the jacket is communicated with the top of the hot water tank, and the bottom of the hot water tank is further connected with an electric heating disc. The hot water in the jacket is utilized to realize water bath heating of the mixing drum, and the heating of the mixing drum is more stable.
Preferably, the water heater also comprises a cold water tank and a drainage pump, wherein an input port of the water inlet pump is also communicated with the bottom of the cold water tank, stop valves are arranged between the input port of the water inlet pump and the hot water tank and between the input port of the water inlet pump and the cold water tank, the top of the jacket is simultaneously connected with a hot water output pipe and a cold water output pipe, an output end of the hot water output pipe is communicated with the top of the hot water tank, an output end of the cold water output pipe is communicated with the top of the cold water tank, and the hot water output pipe and the cold water output pipe are both provided with the stop valves; the input port of the drain pump is communicated with the bottom of the jacket. Can cool down the churn through the cold water in the cold water storage cistern, can realize the sample rapid cooling after the stirring, and then realized the short-term test of sample.
Preferably, the water-saving device further comprises a water return pipe, one end of the water return pipe is communicated with the upper end of the jacket, the other end of the water return pipe is communicated with an output port of the drainage pump, the input end of the cold water output pipe and the input end of the hot water output pipe are both communicated with the water return pipe, and a check valve for preventing water in the water return pipe from entering the jacket is arranged between the water return pipe and the jacket. The return water pump can go out the water pump in the jacket, and the convenience is to churn heating and refrigerated switching.
Compared with the prior art, the utility model has the beneficial effects that:
this leading processing apparatus of gaseous phase molecular absorption spectrometer's agitating unit can stir the sample in the churn, the circulating pump is gone into the churn with the sample in the churn by the bottom of churn pump once more in, guarantee the sample misce bene in the churn, the top cap is passed through to the top of churn and is sealed, and the circulating pump still passes through the sample in the churn and atomizes the top that the shower nozzle spouts the churn, the sample that can the entrapment volatilizees, avoid the sample to volatilize and influence the accuracy of testing result.
Drawings
Fig. 1 is a schematic structural diagram of a gas phase molecular absorption spectrometer pretreatment device.
Fig. 2 is a schematic sectional front view of the butt joint of the power input shaft and the stirring shaft.
Fig. 3 is an expanded view of the guide groove.
In the figure: 1. the device comprises a mixing drum 2, a top cover 3, a mixing motor 4, a power input shaft 401, a butt joint hole 5, a mixing shaft 501, a butt joint part 502, a guide groove 6, a circulating pump 7, a liquid spraying pipe 8, a return pipe 9, a jacket 10, a water inlet pump 11, a hot water tank 12, a cold water tank 13, a cold water output pipe 14, a hot water output pipe 15, a hot water input pipe 16, a cold water input pipe 17, a peristaltic pump 18, a water return pipe 19, a drainage pump 20, a support drum 21, a support spring 22 and a pin shaft.
Detailed Description
FIGS. 1 to 3 illustrate preferred embodiments of the present invention, and the present invention will be further described with reference to FIGS. 1 to 3.
The utility model provides a leading processing apparatus of gaseous phase molecule absorption spectrometer, including churn 1, agitating unit and circulating pump 6, churn 1 is bottom confined drum, top cap 2 is passed through at churn 1's top and is sealed, agitating unit sets up in churn 1, circulating pump 6's input port and the middle part intercommunication of churn 1, circulating pump 6's delivery outlet is connected with spray tube 7 and back flow 8 simultaneously, spray tube 7's output and churn 1's top intercommunication, and the atomizer is installed to spray tube 7's output, the output of back flow 8 and the bottom intercommunication of churn 1, the middle part of churn 1 still is connected with peristaltic pump 17, churn 1 still is connected with heating device. This leading processing apparatus of gaseous phase molecular absorption spectrometer's agitating unit can stir the sample in the churn 1, sample in circulating pump 6 will the churn 1 is pumped into the churn 1 by the bottom of churn 1 once more, guarantee the sample misce bene in the churn 1, top cap 2 is passed through at the top of churn 1 and is sealed, and circulating pump 6 still passes through atomizer with the sample in the churn 1 and spout the top of churn 1, the sample that can the entrapment volatilizees, avoid the sample to volatilize and influence the accuracy of testing result.
The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.
Specifically, the method comprises the following steps: as shown in fig. 1: the mixing drum 1 is a vertically arranged cylinder, the bottom end of the mixing drum 1 is sealed, the top of the mixing drum 1 is sealed through a top cover 2, and a sealing ring is arranged between the top cover 2 and the top of the mixing drum 1. A jacket 9 is arranged around the mixing drum 1, the mixing drum 1 is wholly embedded in the jacket 9, and the top of the mixing drum 1 extends out, so that the jacket 9 forms a water bath for heating the mixing drum 1.
Agitating unit includes (mixing) shaft 5, stirring rake and agitator motor 3, and coaxial arrangement has power input shaft 4 on the top cap 2, and top cap 2 is all stretched out at the both ends of power input shaft 4, and driven gear is installed to the upper end of power input shaft 4, installs the driving gear on agitator motor 3's the output shaft, and driving gear and driven gear mesh mutually to the rotation of power input shaft 4 has been realized. The stirring motor 3 is installed on the upper side of the top cover 2. The bottom of power input shaft 4 is provided with butt joint hole 401, and butt joint hole 401 is for setting up the square blind hole at power input shaft 4 tip, (mixing) shaft 5 and 1 coaxial settings of churn, and the upper end of (mixing) shaft 5 is provided with square butt joint portion 501, and butt joint portion 501's upper portion slidable stretches into in butt joint hole 401 to make (mixing) shaft 5 follow-up power input shaft 4 synchronous rotation, and then realized the stirring to the interior sample of churn 1.
The input port of circulating pump 6 and the middle part intercommunication of churn 1, the delivery outlet of circulating pump 6 is connected with spray tube 7 and back flow 8 simultaneously, and the output of spray tube 7 and the top of churn 1 intercommunication, and the atomizer is installed to the output of spray tube 7. The output end of the return pipe 8 is communicated with the bottom of the mixing drum 1. The middle part of the mixing drum 1 is also connected with a peristaltic pump 17, and a sample is conveniently sent into the gas phase molecular absorption spectrometer for detection through the peristaltic pump 17.
The heating device comprises a jacket 9, a hot water tank 11 and a water inlet pump 10, an electric heating disc is arranged at the bottom of the hot water tank 11, so that water in the hot water tank 11 can be heated, and a temperature sensor for detecting the temperature of the hot water tank 11 is further arranged on the hot water tank 11. The input port of the water inlet pump 10 is communicated with the bottom of the hot water tank 11, the output port of the hot water pump 10 is communicated with the bottom of the jacket 9, and the top of the jacket 9 is communicated with the top of the hot water tank 11, so that the mixing drum 1 is heated in a water bath mode, and the heating effect on the mixing drum 1 is guaranteed to be good.
Leading processing apparatus of gaseous phase molecular absorption spectrometer still includes cold water tank 12 and drain pump 19, the input port of intake pump 10 is connected with hot water input tube 15 and cold water input tube 16 simultaneously, the input of hot water input tube 15 and the bottom intercommunication of hot water tank 11, the input of cold water input tube 16 and the bottom intercommunication of cold water tank 12, all be provided with the stop valve on hot water input tube 15 and the cold water input tube 16, thereby conveniently with hot water or cold water input to pressing from both sides in the cover 9, conveniently heat or cool off churn 1. The input end of the drainage pump 19 is communicated with the bottom of the jacket 9, the output end of the drainage pump 19 is communicated with the top of the jacket 9 through the water return pipe 18, and a check valve for preventing water in the water return pipe 18 from entering the jacket 9 is arranged between the water return pipe 18 and the top of the jacket 9. The water return pipe 18 is communicated with the top of the hot water tank 11 through the hot water output pipe 14, the water return pipe 18 is communicated with the cold water tank 12 through the cold water output pipe 13, and stop valves are arranged on the cold water output pipe 13 and the hot water output pipe 14, so that water can be conveniently controlled to flow back into the hot water tank 11 or the cold water tank 12.
As shown in fig. 2: the lower extreme of churn 5 is provided with a support cylinder 20, and support cylinder 20 sets up with churn 1 is coaxial, and support cylinder 20 is the cylinder that the lower extreme closed set up, and support cylinder 20 fixes in the bottom of churn 5, and the lower extreme slidable of (mixing) shaft 5 stretches into in the upper end of support cylinder 20. A support spring 21 is arranged in the support cylinder 20, the support spring 21 is arranged at the lower side of the stirring shaft 5, the lower end of the support spring 21 is supported at the closed end of the support cylinder 20, and the upper end is supported at the bottom end of the stirring shaft 5. A cam mechanism is arranged between the stirring shaft 5 and the supporting cylinder 21, and the stirring shaft 5 is enabled to do reciprocating motion in the vertical direction in the process that the supporting cylinder 20 and the stirring shaft 5 rotate relatively, so that the sample in the stirring cylinder 1 is stirred to be more components.
As shown in fig. 3: the cam mechanism comprises a pin shaft 22 arranged on the inner wall of the support cylinder 20 and a guide groove 502 arranged around the stirring shaft 5, the pin shaft 22 is arranged along the radial direction of the support cylinder 20, the guide groove 502 is in a wavy line shape, the pin shaft 22 is arranged in the guide groove 502 in a sliding manner, when the stirring shaft 5 rotates relative to the support cylinder 20, the pin shaft 22 is matched with the guide groove 502, the stirring shaft 5 is lifted, and the stirring effect on samples in the stirring cylinder 1 is good.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (8)
1. A gas phase molecular absorption spectrometer preprocessing device which characterized in that: including churn (1), agitating unit and circulating pump (6), churn (1) is bottom confined drum, top cap (2) are passed through at the top of churn (1) and are sealed, agitating unit sets up in churn (1), the input port of circulating pump (6) and the middle part intercommunication of churn (1), the delivery outlet of circulating pump (6) is connected with spray tube (7) and back flow (8) simultaneously, the output of spray tube (7) and the top intercommunication of churn (1), and the atomizer is installed to the output of spray tube (7), the output of back flow (8) and the bottom intercommunication of churn (1), the middle part of churn (1) still is connected with peristaltic pump (17), churn (1) still is connected with heating device.
2. The gas phase molecular absorption spectrometer pre-processing device according to claim 1, characterized in that: the stirring device comprises a stirring motor (3), a stirring shaft (5) and a stirring paddle, wherein the stirring shaft (5) is rotatably arranged in the stirring cylinder (1), the stirring paddle is arranged on the stirring shaft (5) and synchronously rotates along with the stirring shaft, and the stirring motor (3) is connected with the stirring shaft (5).
3. The gas phase molecular absorption spectrometer pre-processing device according to claim 2, characterized in that: stirring motor (3) install on top cap (2), rotatable installation has power input shaft (4) on top cap (2), the lower extreme of power input shaft (4) is provided with square butt joint hole (401), the upper end of (mixing) shaft (5) is provided with square butt joint portion (501), butt joint portion (501) slidable stretches into in butt joint hole (401).
4. The gas phase molecular absorption spectrometer pre-processing device according to claim 2 or 3, characterized in that: the stirring device further comprises a supporting cylinder (20) and a supporting spring (21), the supporting cylinder (20) is a cylinder with a closed lower end, the supporting cylinder (20) is installed at the bottom of the stirring cylinder (1), the lower end of the stirring shaft (5) can slidably extend into the supporting cylinder (20), the supporting spring (21) is arranged in the supporting cylinder (20) on the lower side of the stirring shaft (5), the lower end of the stirring shaft (5) is supported on the supporting spring (21), and a cam mechanism enabling the stirring shaft (5) to ascend and descend is arranged between the stirring shaft (5) and the supporting cylinder (20).
5. The gas phase molecular absorption spectrometer pre-processing device according to claim 4, characterized in that: the cam mechanism comprises a pin shaft (22) arranged on the inner wall of the support cylinder (20) and a guide groove (502) arranged around the outer wall of the stirring shaft (5), the guide groove (502) is in a wavy line shape, and the pin shaft (22) can be arranged in the guide groove (502) in a sliding mode.
6. The gas phase molecular absorption spectrometer pre-processing device according to claim 1, characterized in that: the heating device comprises a jacket (9), a hot water tank (11) and a water inlet pump (10), wherein the jacket (9) is arranged around the mixing drum (1), an output port of the water inlet pump (10) is communicated with the bottom of the jacket (9), the top of the jacket (9) is communicated with the top of the hot water tank (11), and the bottom of the hot water tank (11) is further connected with an electric heating disc.
7. The gas phase molecular absorption spectrometer pre-processing device according to claim 6, characterized in that: the water heater is characterized by further comprising a cold water tank (12) and a drainage pump (19), an input port of the water inlet pump (10) is further communicated with the bottom of the cold water tank (12), stop valves are arranged between the input port of the water inlet pump (10) and the hot water tank (11) and between the input port of the water inlet pump (10) and the cold water tank (12), the top of the jacket (9) is simultaneously connected with a hot water output pipe (14) and a cold water output pipe (13), an output end of the hot water output pipe (14) is communicated with the top of the hot water tank (11), an output end of the cold water output pipe (13) is communicated with the top of the cold water tank (12), and the hot water output pipe (14) and the cold water output pipe (13) are both provided with the stop valves; the inlet of the drain pump (19) is connected to the bottom of the jacket (9).
8. The gas phase molecular absorption spectrometer pre-processing device according to claim 7, characterized in that: the water-saving device is characterized by further comprising a water return pipe (18), one end of the water return pipe (18) is communicated with the upper end of the jacket (9), the other end of the water return pipe is communicated with an output port of a drainage pump (19), the input end of a cold water output pipe (13) and the input end of a hot water output pipe (14) are both communicated with the water return pipe (18), and a one-way valve for preventing water in the water return pipe (18) from entering the jacket (9) is arranged between the water return pipe (18) and the jacket (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122486905.2U CN216718190U (en) | 2021-10-15 | 2021-10-15 | Pre-processing device of gas-phase molecular absorption spectrometer |
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| CN202122486905.2U CN216718190U (en) | 2021-10-15 | 2021-10-15 | Pre-processing device of gas-phase molecular absorption spectrometer |
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| CN216718190U true CN216718190U (en) | 2022-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116036942A (en) * | 2023-03-07 | 2023-05-02 | 云南热火餐饮管理有限公司 | Mixing equipment for tenderizing beef by using fruit enzyme and pickling method |
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2021
- 2021-10-15 CN CN202122486905.2U patent/CN216718190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116036942A (en) * | 2023-03-07 | 2023-05-02 | 云南热火餐饮管理有限公司 | Mixing equipment for tenderizing beef by using fruit enzyme and pickling method |
| CN116036942B (en) * | 2023-03-07 | 2023-06-16 | 云南热火餐饮管理有限公司 | Mixing equipment for tenderizing beef by using fruit enzyme and pickling method |
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