CN-115876696-B - Spectrum analysis device

CN115876696BCN 115876696 BCN115876696 BCN 115876696BCN-115876696-B

Abstract

The invention provides a spectrum analysis device, and relates to the technical field of spectrum analysis devices. In the spectrum analysis device, a spectrometer host and a radio frequency power supply assembly are both arranged outside a glove box. The cooling module is embedded on the peripheral wall of the glove box and is provided with a coil group which is wound on the torch tube. The optical channel module comprises an optical channel pipe, a base, a lens assembly and a sampling cone assembly, wherein the base is embedded in the peripheral wall of the glove box, the optical channel pipe is inserted into the base and is positioned outside the glove box, the optical channel pipe is connected with a spectrometer host, the base is provided with a first assembly channel along the axial direction of the base, the lens assembly is movably assembled in the first assembly channel, the sampling cone assembly is inserted into one end of the first assembly channel, which is far away from the optical channel pipe, and is arranged in the glove box for lighting, and light rays collected by the sampling cone assembly are guided into the spectrometer host through the optical channel pipe by the lens assembly. The spectrum analysis device provided by the invention can solve the problem that the analyzer is inconvenient to maintain.

Inventors

YANG HAN
XIA XIAOFENG
QI TINGTING
HU JIANKUN
XU ZHIWEI
LU SHUIMIAO
LIU QUANWEI
CHEN YUNQING
SHEN CHENLIN
HOU LIUDONG
CHEN YONG
ZHANG CHENGYI
ZHANG XIULI
DING HAIBO

Assignees

浙江青科质谱仪器创新有限公司

Dates

Publication Date: 20260508
Application Date: 20221202

Claims (8)

1. A spectroscopic analysis device, comprising: a glove box is internally provided with a torch chamber; the sample injection module is arranged in the glove box and is provided with a torch tube, and the torch tube extends into the torch chamber; The spectrometer host is arranged outside the glove box; the cooling module is embedded on the peripheral wall of the glove box and is provided with a coil group which stretches into the glove box and is wound on the torch tube so as to generate plasma flame; a radio frequency power supply assembly arranged outside the glove box and electrically connected with the coil assembly to supply power to the coil assembly, and The optical channel module comprises an optical channel pipe, a base, a lens assembly and a sampling cone assembly, wherein the base is embedded in the peripheral wall of the glove box, the optical channel pipe is inserted in the base and is positioned outside the glove box, the optical channel pipe is connected with the spectrometer host, the base is provided with a first assembly channel along the axial direction of the base, the lens assembly is movably assembled in the first assembly channel, the sampling cone assembly is inserted in one end, far away from the optical channel pipe, of the first assembly channel and is arranged in the glove box for lighting, and light collected by the sampling cone assembly is guided into the spectrometer host through the optical channel pipe by the lens assembly; The cooling module further comprises a fixed ring, an output ring and a cooling block; The fixing ring is embedded in the peripheral wall of the glove box, and a second assembly channel along the axial direction of the fixing ring is formed in the fixing ring; the output ring is inserted into the second assembly channel, and an assembly hole is formed in the output ring; the cooling block is inserted into the assembly hole, and the coil assembly penetrates through the cooling block and stretches into the glove box; The cooling module further comprises a third sealing ring, wherein the third sealing ring is arranged on the periphery of the output ring and is pressed between the inner wall of the second assembly channel and the output ring.
2. The spectroscopic apparatus of claim 1, wherein the lens assembly comprises a lens frame, a first lens, a first compression ring, and a first sealing ring; The lens frame is provided with a first channel and a second channel along the axial direction of the lens frame, the inner diameter of the first channel is larger than that of the second channel, and one side of the lens frame, which is close to the sampling cone assembly, is propped against the sampling cone assembly; the first lens is assembled in the first channel, and the first compression ring is assembled in the first channel and is pressed and held on the first lens.
3. The spectroscopic analysis device according to claim 2, wherein the lens frame is provided with a first air vent along a radial direction thereof, the first air vent is communicated with the second channel, the base is provided with a second air vent along a radial direction thereof, the second air vent is positioned in the glove box, the first air vent and the second air vent are correspondingly communicated, and the second air vent is used for introducing air into the second channel.
4. The spectroscopic analysis device of claim 1, wherein the sampling cone assembly comprises a cold cone sleeve, a cold cone opening, a second pressure ring, a second lens, and a second seal ring; the cold taper sleeve is inserted into the first assembly channel, the second sealing ring is pressed between the cold taper sleeve and the inner wall of the first assembly channel, a third channel and a fourth channel are axially arranged in the cold taper sleeve, the inner diameter of the third channel is larger than that of the fourth channel, and a limiting structure is convexly arranged on the outer side of the cold taper sleeve and is propped against the end face of the base; The cold cone opening is assembled in the fourth channel and extends into the glove box for lighting; The second pressing ring is assembled in the third channel and is pressed on the second lens, and a groove is formed between the outer periphery of the second lens in the radial direction of the second lens and the inner wall of the third channel.
5. The spectroscopic device of claim 1, wherein the base further comprises a fifth channel disposed in the axial direction thereof, the fifth channel being disposed at an end of the first assembly channel near the optical channel tube and in communication with the first assembly channel, and the optical channel module further comprises a clamp ring mounted to the fifth channel and pressed against the lens assembly.
6. The spectroscopic analysis device according to claim 5, wherein a sixth channel is further provided in the base along an axial direction thereof, the sixth channel being in communication with the fifth channel, a third gas vent is provided in the base, the third gas vent being in communication with the sixth channel and being located outside the glove box, and the third gas vent being configured to vent gas in the sixth channel.
7. The spectroscopic apparatus as set forth in claim 1 wherein the radio frequency power supply assembly has a high voltage coil extending into the cooling block for access to the coil assembly, the high voltage coil for delivering a cooling fluid to the coil assembly, the radio frequency power supply assembly further comprising a shield disposed about the cooling module; The cooling module further comprises a clamping sleeve screw and a third compression ring, an assembly groove is formed in the cooling block, the coil assembly penetrates through the bottom wall of the assembly groove to extend into the glove box, the third compression ring is assembled in the assembly groove to seal the high-voltage coil, and the clamping sleeve screw is assembled in the assembly groove to press the third compression ring.
8. The spectroscopic device of claim 1, wherein the cooling module further comprises a limiting member detachably assembled to the end face of the fixing ring and located inside the glove box, and the limiting member extends at least partially into the second assembly channel to abut against the output ring so that the end face of the output ring is flush with the end face of the fixing ring.

Description

Spectrum analysis device Technical Field The invention relates to the technical field of spectrum analysis devices, in particular to a spectrum analysis device. Background In the nuclear industry spent fuel post-treatment stage, a spectrum analysis method is needed to analyze non-volatile elements in the waste liquid, and the waste liquid has gamma radioactivity, so that a glove box is needed to realize radiation protection, the gamma aerosol is prevented from overflowing, the safety of workers is ensured, in the prior art, the whole analysis instrument is generally arranged in the glove box, the service life of the instrument is greatly reduced due to the irradiation influence of gamma rays on electronics, the maintenance is extremely inconvenient, and large spare parts cannot enter the glove box through a transfer channel, and nuclear waste is increased. Disclosure of Invention The invention aims to provide a spectrum analysis device which can solve the technical problem that an analyzer is inconvenient to maintain in the prior art. Embodiments of the invention may be implemented as follows: an embodiment of the present invention provides a spectroscopic analysis apparatus including: a glove box is internally provided with a torch chamber; the sample injection module is arranged in the glove box and is provided with a torch tube, and the torch tube extends into the torch chamber; The spectrometer host is arranged outside the glove box; the cooling module is embedded on the peripheral wall of the glove box and is provided with a coil group which stretches into the glove box and is wound on the torch tube so as to generate plasma flame; a radio frequency power supply assembly arranged outside the glove box and electrically connected with the coil assembly to supply power to the coil assembly, and The optical channel module comprises an optical channel tube, a base, a lens assembly and a sampling cone assembly, wherein the base is embedded in the peripheral wall of the glove box, the optical channel tube is inserted in the base and is positioned outside the glove box, the optical channel tube is connected with the spectrometer host, the base is provided with a first assembly channel along the axial direction of the base, the lens assembly is movably assembled in the first assembly channel, the sampling cone assembly is inserted in one end, far away from the optical channel tube, of the first assembly channel and is arranged in the glove box for lighting, and light collected by the sampling cone assembly is guided into the spectrometer host through the optical channel tube by the lens assembly. The spectrum analysis device provided by the invention has the beneficial effects compared with the prior art that: In the spectrum analysis device, as the spectrometer host and the radio frequency power supply component are arranged outside the glove box, the spectrometer host and the radio frequency power supply component can be conveniently and directly maintained. For the optical channel module, the optical channel tube is connected with the base in an inserting mode, so that the optical channel tube can be directly pulled out of the base to complete the disassembly of the optical channel tube, then the sampling cone assembly is disassembled from the base through a glove on a glove box, after the optical channel tube and the sampling cone assembly are disassembled, the replaced lens assembly can be pushed into the first assembly channel to be ejected out of the first assembly channel through the replaced lens assembly, further the replacement of the lens assembly is completed, and in addition, the sealing of the first assembly channel is always kept in the replacement process, so that the threat to operators caused by the leakage of internal radioactive substances can be prevented. Therefore, the spectrum analysis device provided by the invention can improve the technical problem that the maintenance is inconvenient in the prior art, and can also improve the maintenance safety. Optionally, the lens assembly includes a lens frame, a first lens, a first compression ring, and a first seal ring; The lens frame is movably arranged in the first assembly channel, and the first sealing ring is pressed between the lens frame and the outer wall of the first assembly channel; the lens frame is provided with a first channel and a second channel along the axial direction of the lens frame, and the inner diameter of the first channel is larger than that of the second channel; the first lens is assembled in the first channel, and the first compression ring is assembled in the first channel and is pressed and held on the first lens. Optionally, a first air vent is formed in the lens frame along the radial direction of the lens frame, the first air vent is communicated with the second channel, a second air vent is formed in the base along the radial direction of the base, the second air vent is located in the glove box, the first a