Device for digesting organic matters by using ultraviolet persulfate

Abstract

The utility model provides a device for digesting organic matters by ultraviolet persulfate, which relates to the field of digesting organic matters by ultraviolet persulfate and comprises a reactor mechanism, the bottom end of the reactor mechanism is fixedly connected with the top end of a sample introduction component, and the inner wall of the reactor mechanism is movably connected with the outer wall of an ultraviolet lamp component. According to the utility model, the outer wall of the double-layer high-transmittance quartz reaction tube is wrapped with the tin foil paper, sulfate is injected from the inside of the acid adding port, then a sample is injected from the inside of the sample injection port, carrier gas is injected from the carrier gas inlet, and the sample and persulfate are fully reacted in a dynamic environment through carrier gas purging; meanwhile, ultraviolet light can also participate in decomposition through cold start of the tubular UV lamp, so that the oxidative degradation effect is improved, integration of the outer reaction chamber and the inner reaction chamber is achieved through double-layer arrangement of the double-layer high-transmittance quartz reaction tube, the oxidative degradation effect is improved through arrangement of the tubular UV lamp, the structure of the device is simplified, and the operation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-ultraviolet persulfate for organic matter digestion, in particular to an apparatus for ultraviolet persulfate digestion of organic matter. Background Art

[0002] Total organic carbon in a sample is an important indicator reflecting the degree of organic matter pollution of the sample. There are various measurement methods for total organic carbon, which have the advantages of sensitivity, rapidity, low cost, etc. TOC detection is widely used in industries such as environmental detection, water treatment, petrochemical, pharmaceutical, microelectronics and semiconductor, and power plants worldwide. For the determination of total organic carbon in a sample, according to different working principles, currently, high-temperature catalytic oxidation method and wet chemical oxidation method are generally adopted. The ultraviolet persulfate method is the synergistic effect of ultraviolet oxidation method and wet oxidation method, and has good oxidation and degradation effect, so it has strong applicability and a wide measurable range.

[0003] In the prior art, for the instruments currently on the market that use the ultraviolet persulfate method to measure TOC in a sample, the devices are relatively complex and the operating costs are relatively high. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an apparatus for ultraviolet persulfate digestion of organic matter to solve the problems that the devices of the currently commercially available instruments for measuring TOC in a sample by using the ultraviolet persulfate method are relatively complex and the operating costs are relatively high as mentioned in the above background art.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions: including: a reactor mechanism, the reactor mechanism includes a double-layer high-transparency quartz reaction tube, an outer reaction chamber, an inner reaction chamber, a carrier gas output pipe and a carrier gas outlet. The bottom end of the reactor mechanism is fixedly connected to the top end of a sample injection assembly. The sample injection assembly includes a carrier gas input pipe, a carrier gas inlet, a sample injection pipe, a sample injection port, an acid addition pipe, an acid addition port, a liquid discharge pipe and a liquid discharge port. The inner wall of the reactor mechanism is movably connected to the outer wall of an ultraviolet lamp assembly. The ultraviolet lamp assembly includes a tubular UV ultraviolet lamp, a stabilizing ring and a limiting ring.

[0006] As a preferred embodiment, an outer reaction chamber is provided inside the double-layer high-transparency quartz reaction tube, and an inner reaction chamber is also provided inside the double-layer high-transparency quartz reaction tube. The outer reaction chamber and the inner reaction chamber are isolated by an isolation layer provided inside the double-layer high-transparency quartz reaction tube, and the volume of the outer reaction chamber is 15ML.

[0007] As a preferred embodiment, one side of the top end of the double-layer high-transparency quartz reaction tube is fixedly connected to one end of the carrier gas output pipe. A carrier gas outlet is provided inside the carrier gas output pipe, and the inside of the carrier gas outlet is communicated with the inside of the outer reaction chamber.

[0008] As a preferred embodiment, the bottom end of the double-layer highly transparent quartz reaction tube is fixedly connected to the top end of the carrier gas input pipe, and a carrier gas inlet is provided inside the carrier gas input pipe, and the inside of the carrier gas inlet communicates with the inside of the outer reaction chamber.

[0009] As a preferred embodiment, one side of the carrier gas input pipe is fixedly connected to one end of the sampling pipe, and a sampling port is provided inside the sampling pipe, and the inside of the sampling port communicates with the inside of the carrier gas inlet. And one side of the carrier gas input pipe away from the sampling pipe is fixedly connected to one end of the acid addition pipe, and an acid addition port is provided inside the acid addition pipe, and the inside of the acid addition port communicates with the inside of the carrier gas inlet.

[0010] As a preferred embodiment, one side of the bottom of the double-layer highly transparent quartz reaction tube is fixedly connected to one end of the drain pipe, and a drain port is provided inside the drain pipe, and the inside of the drain port communicates with the inside of the outer reaction chamber.

[0011] As a preferred embodiment, the outer wall of the tubular UV ultraviolet lamp is movably connected to the inner wall of the inner reaction chamber, and the outer wall of the tubular UV ultraviolet lamp is fixedly connected to the inner wall of the stabilizing ring. The outer wall of the tubular UV ultraviolet lamp is fixedly connected to the inner wall of the limiting ring, and the stabilizing ring is arranged above the limiting ring.

[0012] As a preferred embodiment, the outer wall of the stabilizing ring is movably connected to the top inner wall of the inner reaction chamber, and the outer wall of the limiting ring is movably connected to the inclined part of the top of the inner reaction chamber. The power of the tubular UV ultraviolet lamp is 4W.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0014] 1. In the present utility model, the outer wall of the double-layer highly transparent quartz reaction tube is wrapped with tinfoil. First, the sulfate is injected through the inside of the acid addition port, and then the sample is injected through the inside of the sampling port. The carrier gas is injected through the carrier gas inlet. Through the carrier gas purge, the sample and the persulfate can fully react in a dynamic environment. At the same time, the tubular UV ultraviolet lamp is cold-started so that ultraviolet light can also participate in the decomposition, thereby improving the oxidation degradation effect. Through the double-layer setting of the double-layer highly transparent quartz reaction tube, the integration of the outer reaction chamber and the inner reaction chamber is realized. Through the setting of the tubular UV ultraviolet lamp, the oxidation degradation effect is improved, the structure of the device is simplified, the operation cost is reduced, and the utilization rate of ultraviolet light is increased by the tinfoil.

[0015] 2. In the present utility model, a tubular UV ultraviolet lamp is placed inside the inner reaction chamber. After being placed, the outer wall of the limiting ring contacts the inclined part at the top of the inner reaction chamber, thereby positioning the inner reaction chamber. At the same time, the outer wall of the stabilizing ring contacts the inner wall at the top of the inner reaction chamber, so as to stabilize the placed tubular UV ultraviolet lamp. Through the settings of the stabilizing ring and the limiting ring, the stability of the tubular UV ultraviolet lamp after being placed in the inner reaction chamber is increased. At the same time, the replacement of the tubular UV ultraviolet lamp is facilitated through the open inner reaction chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic structural diagram of an ultraviolet persulfate organic matter digestion device provided by the present utility model;

[0017] Figure 2 FIG. is a partial explosion view of an ultraviolet persulfate organic matter digestion device provided by the present utility model;

[0018] Figure 3 FIG. is a transverse cross-sectional view of a double-layer highly transparent quartz reaction tube of an ultraviolet persulfate organic matter digestion device provided by the present utility model;

[0019] Figure 4 FIG. is a longitudinal cross-sectional view of a double-layer highly transparent quartz reaction tube of an ultraviolet persulfate organic matter digestion device provided by the present utility model;

[0020] Figure 5 FIG. is a schematic diagram of an ultraviolet lamp assembly of an ultraviolet persulfate organic matter digestion device provided by the present utility model.

[0021] LEGEND DESCRIPTION:

[0022] 1. Reactor mechanism; 101. Double-layer highly transparent quartz reaction tube; 102. Outer reaction chamber; 103. Inner reaction chamber; 104. Carrier gas output pipe; 105. Carrier gas outlet; 2. Sampling assembly; 201. Carrier gas input pipe; 202. Carrier gas inlet; 203. Sampling pipe; 204. Sampling port; 205. Acid addition pipe; 206. Acid addition port; 207. Drain pipe; 208. Drain port; 3. Ultraviolet lamp assembly; 301. Tubular UV ultraviolet lamp; 302. Stabilizing ring; 303. Limiting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5The utility model provides a technical solution: a reactor mechanism 1, the reactor mechanism 1 includes a double-layer high-transparency quartz reaction tube 101, an outer reaction chamber 102, an inner reaction chamber 103, a carrier gas output pipe 104 and a carrier gas outlet 105, the bottom end of the reactor mechanism 1 is fixedly connected to the top end of the sampling assembly 2, the sampling assembly 2 includes a carrier gas input pipe 201, a carrier gas inlet 202, a sampling tube 203, a sampling port 204, an acid addition pipe 205, an acid addition port 206, a drain pipe 207 and a drain port 208, the inner wall of the reactor mechanism 1 is movably connected to the outer wall of the ultraviolet lamp assembly 3, and the ultraviolet lamp assembly 3 includes a tubular UV ultraviolet lamp 301, a stabilizing ring 302 and a limiting ring 303.

[0025] In one embodiment, an outer reaction chamber 102 is opened inside the double-layer high-transmittance quartz reaction tube 101, and an inner reaction chamber 103 is opened inside the double-layer high-transmittance quartz reaction tube 101. The outer reaction chamber 102 and the inner reaction chamber 103 are isolated by an isolation layer provided inside the double-layer high-transmittance quartz reaction tube 101, and the volume of the outer reaction chamber 102 is 15ML.

[0026] Specifically, the outer reaction chamber 102 and the inner reaction chamber 103 are integrated by the double-layer setting of the double-layer high-transmittance quartz reaction tube 101 .

[0027] In one embodiment, one side of the top of the double-layer high-transmittance quartz reaction tube 101 is fixedly connected to one end of the carrier gas output tube 104, and a carrier gas outlet 105 is opened inside the carrier gas output tube 104, and the inside of the carrier gas outlet 105 is connected to the inside of the outer reaction chamber 102.

[0028] Specifically: the gas discharge is facilitated by the carrier gas outlet 105 , and the double-layer high-transmittance quartz reaction tube 101 ensures that the transmittance of 185nm ultraviolet light is more than 80%.

[0029] In one embodiment, the bottom end of the double-layer high-transmittance quartz reaction tube 101 is fixedly connected to the top end of the carrier gas input tube 201 , and a carrier gas inlet 202 is opened inside the carrier gas input tube 201 , and the inside of the carrier gas inlet 202 is connected to the inside of the outer reaction chamber 102 .

[0030] Specifically, the carrier gas inlet 202 facilitates the entry of the carrier gas into the outer reaction chamber 102, and then performs a carrier gas purge operation. Through the carrier gas purge, the sample and the persulfate are fully reacted in a dynamic environment.

[0031] In one embodiment, one side of the carrier gas input pipe 201 is fixedly connected to one end of the sample injection pipe 203, and a sample injection port 204 is provided inside the sample injection pipe 203. The inside of the sample injection port 204 communicates with the inside of the carrier gas inlet 202. One side of the carrier gas input pipe 201 away from the sample injection pipe 203 is fixedly connected to one end of the acid addition pipe 205. An acid addition port 206 is provided inside the acid addition pipe 205, and the inside of the acid addition port 206 communicates with the inside of the carrier gas inlet 202.

[0032] Specifically: First, the sulfate is injected through the inside of the acid addition port 206, and then the sample is injected through the inside of the sample injection port 204, reducing the operating cost.

[0033] In one embodiment, one side of the bottom of the double-layer high-transparency quartz reaction tube 101 is fixedly connected to one end of the drain pipe 207, and a drain port 208 is provided inside the drain pipe 207. The inside of the drain port 208 communicates with the inside of the outer reaction chamber 102.

[0034] Specifically: The drain of the waste liquid is facilitated through the drain port 208.

[0035] In one embodiment, the outer wall of the tubular UV ultraviolet lamp 301 is movably connected to the inner wall of the inner reaction chamber 103. The outer wall of the tubular UV ultraviolet lamp 301 is fixedly connected to the inner wall of the stabilizing ring 302. The outer wall of the tubular UV ultraviolet lamp 301 is fixedly connected to the inner wall of the limiting ring 303, and the stabilizing ring 302 is arranged above the limiting ring 303.

[0036] Specifically: The tubular UV ultraviolet lamp 301 is adopted to ensure that the sealed cavity is fully irradiated without dead angles. At the same time, the cold start of the tubular UV ultraviolet lamp 301 enables the ultraviolet light to also participate in the decomposition. The cold-start UV ultraviolet lamp is selected to ensure that repeated starts have less impact on its service life.

[0037] In one embodiment, the outer wall of the stabilizing ring 302 is movably connected to the top inner wall of the inner reaction chamber 103, and the outer wall of the limiting ring 303 is movably connected to the inclined part at the top of the inner reaction chamber 103. The power of the tubular UV ultraviolet lamp 301 is 4W.

[0038] Specifically: The stability of the tubular UV ultraviolet lamp 301 after being placed in the inner reaction chamber 103 is increased. At the same time, the replacement of the tubular UV ultraviolet lamp 301 is facilitated through the open inner reaction chamber 103.

[0039] Working principle: Place the tubular UV ultraviolet lamp 301 inside the inner reaction chamber 103. After placement, the outer wall of the limit ring 303 contacts the inclined part at the top of the inner reaction chamber 103, thereby positioning the inner reaction chamber 103. At the same time, the outer wall of the stabilizing ring 302 contacts the inner wall at the top of the inner reaction chamber 103, so as to stabilize the placed tubular UV ultraviolet lamp 301. The outer wall of the double-layer high-transparency quartz reaction tube 101 is wrapped with tin foil. First, inject sulfate through the inside of the acid addition port 206, then inject the sample through the inside of the injection port 204, and inject the carrier gas through the carrier gas inlet 202. Through the carrier gas purge, the sample and persulfate react fully in a dynamic environment. At the same time, cold-start the tubular UV ultraviolet lamp 301 so that ultraviolet light can also participate in the decomposition, thereby improving the oxidation and degradation effect.

[0040] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. An ultraviolet persulfate device for decomposing organic matter, characterized in that, include: A reactor mechanism (1), the reactor mechanism (1) comprising a double-layer high-transparency quartz reaction tube (101), an outer reaction chamber (102), an inner reaction chamber (103), a carrier gas output pipe (104) and a carrier gas outlet (105); the bottom end of the reactor mechanism (1) is fixedly connected to the top end of a sampling assembly (2); the sampling assembly (2) comprises a carrier gas input pipe (201), a carrier gas inlet (202), a sampling pipe (203), a sampling port (204), an acid addition pipe (205), an acid addition port (206), a liquid discharge pipe (207) and a liquid discharge port (208); the inner wall of the reactor mechanism (1) is movably connected to the outer wall of an ultraviolet lamp assembly (3); the ultraviolet lamp assembly (3) comprises a tubular UV ultraviolet lamp (301), a stabilizing ring (302) and a limiting ring (303).

2. The ultraviolet persulfate organic matter digestion device according to claim 1, wherein: An outer reaction chamber (102) is provided inside the double-layer high-transmittance quartz reaction tube (101), and an inner reaction chamber (103) is provided inside the double-layer high-transmittance quartz reaction tube (101); the outer reaction chamber (102) and the inner reaction chamber (103) are isolated by an isolation layer provided inside the double-layer high-transmittance quartz reaction tube (101), and the volume of the outer reaction chamber (102) is 15 ml.

3. The ultraviolet persulfate device for organic matter digestion according to claim 2, characterized in that: One side of the top end of the double-layer high-transmittance quartz reaction tube (101) is fixedly connected to one end of a carrier gas output tube (104), and a carrier gas outlet (105) is provided inside the carrier gas output tube (104), and the interior of the carrier gas outlet (105) is communicated with the interior of the outer reaction chamber (102).

4. An ultraviolet persulfate organic matter digestion device according to claim 1, characterized in that: The bottom end of the double-layer high-transmittance quartz reaction tube (101) is fixedly connected to the top end of the carrier gas input tube (201), and a carrier gas inlet (202) is provided inside the carrier gas input tube (201), and the interior of the carrier gas inlet (202) is communicated with the interior of the outer reaction chamber (102).

5. An ultraviolet persulfate organic matter digestion device according to claim 4, characterized in that: One side of the carrier gas input pipe (201) is fixedly connected to one end of the injection pipe (203), and the injection pipe (203) is provided with an injection port (204), the interior of the injection port (204) is communicated with the interior of the carrier gas inlet (202), and the side of the carrier gas input pipe (201) away from the injection pipe (203) is fixedly connected to one end of the acid addition pipe (205), the interior of the acid addition pipe (205) is provided with an acid addition port (206), and the interior of the acid addition port (206) is communicated with the interior of the carrier gas inlet (202).

6. The ultraviolet persulfate organic matter digestion device according to claim 5, characterized in that: One side of the bottom of the double-layer high-transparency quartz reaction tube (101) is fixedly connected to one end of a liquid discharge tube (207), and a liquid discharge port (208) is provided inside the liquid discharge tube (207), and the inside of the liquid discharge port (208) is communicated with the inside of the outer reaction chamber (102).

7. An ultraviolet persulfate organic matter digestion device according to claim 1, characterized in that: The outer wall of the tubular UV lamp (301) is movably connected to the inner wall of the inner reaction chamber (103), and the outer wall of the tubular UV lamp (301) is fixedly connected to the inner wall of the stabilizing ring (302). The outer wall of the tubular UV lamp (301) is fixedly connected to the inner wall of the limiting ring (303), and the stabilizing ring (302) is arranged above the limiting ring (303).

8. An organic matter digestion device using ultraviolet and persulfate according to claim 7, characterized in that: The outer wall of the stabilizing ring (302) is movably connected to the top inner wall of the inner reaction chamber (103), and the outer wall of the limiting ring (303) is movably connected to the inclined part at the top of the inner reaction chamber (103). The power of the tubular UV ultraviolet lamp (301) is 4W.

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