Anti-pollution hydrogen chloride sampler
By incorporating a scraping structure and a collection element inside the absorption bottle of the hydrogen chloride sampler, the problem of inconvenient crystal cleaning inside the absorption bottle is solved, enabling crystal cleaning without stopping sampling and improving the efficiency of the sampler.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINJIANG NEW ENERGY (GRP) ENVIRONMENTAL TESTING CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-15
AI Technical Summary
Existing hydrogen chloride samplers are inconvenient to clean after crystals form inside the absorption bottle, which affects their use.
A scraping structure and a collection device, including a rotating tube, a disc, and a collection box, are installed inside the absorption bottle. The scraping structure scrapes away the crystals inside the absorption bottle, and the collection device collects the crystals, avoiding the need to stop sampling during cleaning.
This technology enables the cleaning of crystals inside the absorption bottle without stopping sampling, improving the efficiency and convenience of the sampler.
Smart Images
Figure CN224247408U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of sampler technology, and specifically discloses a pollution-resistant hydrogen chloride sampler. Background Technology
[0002] A hydrogen chloride sampler is a device specifically designed to collect hydrogen chloride from stationary pollution sources. Existing hydrogen chloride samplers consist of a sampling tube, an absorption assembly, and a sampling pump connected in sequence. The free end of the sampling tube is fitted with a sampling cap and connected to an external sensor. This external sensor detects the concentration of hydrogen chloride gas. Furthermore, the sampling pump, in conjunction with the sampling tube, draws hydrogen chloride gas into the absorption bottle of the absorption assembly. The sodium hydroxide solution inside the absorption bottle absorbs the hydrogen chloride gas, preventing it from escaping and polluting the air.
[0003] In existing pollution-proof hydrogen chloride samplers, the absorption bottle is generally a gas collection bottle. The gas collection bottle has a cap at the mouth, and there are air inlets on both sides that connect to the sampling tube and air outlets that connect to the sampling pump. The air outlet is higher than the air inlet on the gas collection bottle. The gas collection bottle below the air outlet contains sodium hydroxide solution. When the pollution-proof hydrogen chloride sampler is used, sodium chloride crystals will precipitate from the sodium hydroxide solution in the absorption bottle. The sodium chloride crystals adhere to the inner wall of the absorption bottle. After a period of time, the operator needs to clean the crystals generated in the absorption bottle. However, cleaning requires opening the absorption bottle and stopping sampling, which affects the use of the sampler.
[0004] Therefore, the inventors have provided a pollution-resistant hydrogen chloride sampler to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to solve the problem of inconvenient cleaning of the absorption bottle in existing hydrogen chloride samplers after crystals are formed inside.
[0006] To achieve the above objectives, the basic solution of this utility model provides a pollution-proof hydrogen chloride sampler, comprising a sampling tube, an absorption assembly, and a sampling pump connected in sequence. The free end of the sampling tube is provided with a sampling cap. The absorption assembly includes an ice bath tank and an absorption bottle placed in the ice bath tank and connected to the sampling tube and the sampling pump respectively. The absorption bottle is provided with a chamber for holding sodium hydroxide solution. The absorption bottle is provided with a scraping structure for scraping off crystals attached to the absorption bottle. The absorption bottle is also provided with a collection device for collecting the scraped-off crystals.
[0007] The principle and effect of this basic scheme are as follows:
[0008] 1. In this utility model, the sampling pump is turned on to collect the gas to be detected through the sampling tube. The gas enters the absorption assembly. The sodium hydroxide solution in the absorption bottle of the water absorption assembly absorbs the hydrogen chloride gas in the gas, preventing the hydrogen chloride gas from being released and polluting the air.
[0009] 2. Compared with the prior art, the present invention has a scraping structure and a collecting component inside the absorption bottle, which can scrape off and collect the crystals inside the absorption bottle, thus solving the problem of inconvenient cleaning after crystals are generated inside the absorption bottle in the existing hydrogen chloride sampler.
[0010] Furthermore, the internal chamber of the absorption bottle is a cylindrical chamber. The absorption bottle has a cylindrical chamber inside, and the rotating tube can rotate within this chamber. The scraper structure can also rotate within this cylindrical chamber to scrape away crystals from the inner wall of the absorption bottle.
[0011] Furthermore, the scraping structure includes a rotating tube and a disc. The rotating tube passes through the bottle cap and is connected inside the absorption bottle. The disc has the same shape as the cross-sectional shape of the absorption bottle, and its outer wall is fitted against the inner wall of the absorption bottle. A connecting structure is fixed between the bottom of the rotating tube and the disc. The outer wall of the disc, fitted against the inner wall of the absorption bottle, completely scrapes away the crystals on the inner wall of the absorption bottle.
[0012] Furthermore, the scraping structure includes a rotating tube, a disc, and a scraper. The rotating tube passes through the bottle cap and is connected inside the absorption bottle. A communication structure is fixed between the bottom of the rotating tube and the disc. The disc has a fan-shaped notch. The scraper is rotatably connected below the disc. The rotating tube is equipped with a rotating component for controlling the rotation of the scraper to open and close the fan-shaped notch. The shape of the disc is the same as the cross-sectional shape of the absorption bottle, and the outer wall of the disc is in contact with the inner wall of the absorption bottle. The rotating component controls the rotation of the scraper to complete the closing of the fan-shaped notch on the disc.
[0013] Furthermore, the collecting device includes a collecting box disposed inside the absorption bottle and located above the liquid surface, and a sleeve rotatably connected to the bottle cap of the absorption bottle and driving the collecting box to rotate. The sleeve is coaxially sleeved on the rotating tube, and a handle is fixedly attached to the top of the sleeve extending out of the bottle cap. An opening for scraping crystals from the disc is provided on one side of the bottom of the collecting box, and a collecting bag is detachably connected to the opening. The sleeve drives the collecting box to rotate, and the collecting box drives the collecting bag to rotate. The collecting bag collects the crystals from the disc without affecting the secondary use of the disc.
[0014] Furthermore, the connecting structure is a cylindrical boss fixed between the rotating tube and the disc. The disc is fixed below the top of the cylindrical boss. A water inlet is formed through the cylindrical boss, with its top end located on the side wall of the cylindrical boss above the disc and its bottom end extending to the bottom surface of the cylindrical boss. A filter screen is fixed inside the water inlet. The filter screen is installed above the disc, ensuring that crystals on the disc do not clog the filter screen during the upward movement of the rotating tube and the cylindrical boss, thus not affecting the use of the filter screen.
[0015] Furthermore, the sampling cover has a through hole, and inside the sampling cover are sequentially arranged a detachable sliding plate for controlling the opening and closing of the through hole, a first filter plate and a second filter plate whose number increases sequentially and are used to filter particulate matter. When the sampler is not in use, the sliding plate prevents gas from entering the sampler. When the sampler is in use, the first filter plate and the second filter plate inside the sampling cover filter the gas to prevent particles in the gas from entering the sampler. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A schematic diagram of a pollution-resistant hydrogen chloride sampler proposed in this application is shown;
[0018] Figure 2 A schematic diagram of the absorption bottle proposed in Embodiment 1 of this application is shown;
[0019] Figure 3 A top view schematic diagram of the scraping structure proposed in Embodiment 1 of this application is shown;
[0020] Figure 4 A schematic diagram of the absorption bottle proposed in Embodiment 2 of this application is shown;
[0021] Figure 5 A top view schematic diagram of the scraper structure proposed in Embodiment 2 of this application is shown. Detailed Implementation
[0022] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.
[0023] The reference numerals in the accompanying drawings include: sampling tube 1, sampling pump 2, ice bath tank 3, absorption bottle 4, rotating tube 5, disc 6, scraper 7, sleeve 8, collection bag 9, handle 10, cylindrical boss 11, sliding plate 12, and rotating rod 13.
[0024] A pollution-resistant hydrogen chloride sampler, as described in Example 1 Figure 1 , Figure 2 and Figure 3 As shown: It includes a sampling tube 1, an absorption assembly, and a sampling pump 2 connected in sequence.
[0025] The absorption assembly includes an ice bath tank and an absorption bottle 4 placed inside the ice bath tank and connected to sampling tube 1 and sampling pump 2, respectively. For example... Figure 2 As shown, the absorption bottle 4 has a chamber for holding sodium hydroxide solution. The sodium hydroxide solution is located below the dotted line on the absorption bottle 4. A heating box is installed between the sampling cap and the absorption bottle 4. The air inlet of the heating box, which connects to the absorption bottle 4, is located below the sodium hydroxide solution.
[0026] The absorption bottle 4 is equipped with a scraping structure and a collection device.
[0027] In this first embodiment, the internal chamber of the absorption bottle 4 is a cylindrical chamber. In other embodiments, the chamber inside the absorption bottle 4 used to store the sodium hydroxide solution can have any structure. The scraping structure includes a rotating tube 5 and a disc 6. The cap of the absorption bottle 4 has a through hole, and the rotating tube 5 is installed in the through hole. The shape of the disc 6 is the same as the cross-sectional shape of the absorption bottle 4, and the outer wall of the disc 6 is attached to the inner wall of the absorption bottle 4. A communication structure is fixedly installed between the bottom of the rotating tube 5 and the disc 6. The collecting device is installed inside the absorption bottle 4 above the sodium hydroxide solution.
[0028] The collection components include a collection box and a sleeve 8. Specifically, the sleeve 8 rotates on the cap of the absorption bottle 4, and a handle 10 is fixedly connected to the right side of the sleeve 8 on the absorption bottle 4. The operator rotates the sleeve 8 by using the handle 10. The collection box is fixedly installed at the bottom of the sleeve 8, and the side wall of the collection box is as follows: Figure 2 The disc 61 has an opening, and a collection bag 14 is fixedly installed inside the opening. The collection bag 14 collects the crystals on the disc 61.
[0029] The connecting structure consists of a cylindrical boss 11 coaxially fixedly installed at the bottom of the rotating pipe 5, and a disc 61 fixedly installed below the top of the cylindrical boss 11. Several water inlets are opened on the side of the cylindrical boss 11, with the top of each water inlet penetrating to the side wall of the cylindrical boss 11 and located above the disc 61. The bottom of each water inlet penetrates to the bottom surface of the cylindrical boss 11, and filter screens are fixedly installed at both ends of the water inlets. During the process of the rotating pipe 5 driving the disc 61 and the cylindrical boss 11 to rise, it is ensured that the crystals on the disc 61 will not clog the filter screen and will not affect the use of the filter screen.
[0030] A sampling cover is installed at the left end of the sampling tube 1. Specifically, a through hole is opened inside the sampling cover, and a horizontal groove is opened at the upper left end of the sampling cover. A sliding plate 12 is installed in the horizontal groove. The sliding plate 12 is connected to the sampling cover by bolts. A first filter plate and a second filter plate are also installed inside the sampling cover. The mesh size of the second filter plate is larger than that of the first filter plate. When the sampler is not in use, the sliding plate 12 prevents gas from entering the sampler. When the sampler is in use, the sliding plate 12 is removed by loosening the bolts, and the first filter plate and the second filter plate inside the sampling cover filter the gas to prevent particles in the gas from entering the sampler.
[0031] In the implementation of this embodiment, the sliding plate 12 is first removed from the sampling cover, and then the sampling pump 2 is started. The sampled gas is filtered through the first and second filter plates in the sampling tube 1 and then enters the absorption bottle 4. The sodium hydroxide solution in the absorption bottle 4 absorbs the hydrogen chloride in the gas.
[0032] After a period of time, when a large number of crystals appear on the inner wall of the absorption bottle 4, the operator lifts the rotating pipe 5 to drive the disc 6. The disc 6 moves upward from the bottom of the absorption bottle 4 to scrape off the crystals on the inner wall of the cylindrical cavity. As the disc 6 moves upward, the water inlet on the cylindrical protrusion 11 guides the sodium hydroxide solution above the disc 6 to below the scraper. The filter screen inside the water inlet prevents the crystals from flowing from the water inlet to below the disc 6. When the disc 6 is attached to the bottom surface of the filter box, the handle 10 drives the sleeve 8 to rotate, and the rotating pipe 5 drives the collection box to rotate. The collection bag 9 in the collection box collects the crystals on the disc 6, thus not affecting the secondary use of the disc 6. After collection, the rotating pipe 5 is lowered to make the disc 6 attach to the bottom surface of the absorption bottle 4.
[0033] Example 2 Figure 3 and Figure 4 As shown, the difference between Embodiment 2 and Embodiment 1 lies only in the scraping structure. The scraping structure in Embodiment 2 includes a rotating tube 5, a disc 6, and a scraper 7. Specifically, the rotating tube 5 passes through the bottle cap via a through hole and is installed inside the absorption bottle 4. The shape of the disc 6 is the same as the cross-sectional shape of the absorption bottle 4, and the outer wall of the disc 6 is attached to the inner wall of the absorption bottle 4. A fan-shaped notch is opened on the disc 6. A rotating rod 13 is installed inside the rotating tube 5. A slot is opened on the rotating tube 5 below the disc 6 to connect with the rotating rod 13. The scraper 7 extends into the slot and is fixedly installed on the rotating rod 13 to block the fan-shaped notch on the disc 6. A rectangular groove is opened coaxially at the top of the rotating rod 13. Four grooves are symmetrically opened at the top of the rotating tube 5, and all the grooves are connected to the rectangular groove. A control block is installed in the rectangular groove and two symmetrical grooves to control the rotation of the rotating rod 13. The control block drives the rotating rod 13 to rotate by inserting into different grooves, thus completing the sealing of the fan-shaped notch on the disc 6 by the scraper 7.
[0034] In the second embodiment, the scraper 7 is first opened by the control block to open the fan-shaped notch on the disc 6. The rotating tube 5 is rotated to make the fan-shaped notch rotate one revolution to scrape off the crystals on the bottom surface of the absorption bottle 4. Then, the control block at the top of the rotating rod 13 is rotated to make the scraper 7 seal the fan-shaped notch on the disc 6. After the reaction in the absorption bottle 4 has lasted for a period of time, the rotating tube 5 drives the disc 6 and the scraper 7 to move upward so that the disc 6 is attached to the bottom of the collection box. The collection bag 9 in the collection box collects the crystals on the disc 6. After collection, the scraper 7 is rotated by the control block to open the fan-shaped notch on the disc 6. Finally, the rotating tube 5 is lowered so that the scraper 7 is attached to the bottom surface of the absorption bottle 4.
[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A pollution-proof hydrogen chloride sampler, comprising a sampling tube, an absorption assembly, and a sampling pump connected in sequence, wherein the free end of the sampling tube is provided with a sampling cap, characterized in that, The absorption assembly includes an ice bath tank and an absorption bottle placed inside the ice bath tank and connected to a sampling tube and a sampling pump, respectively. The absorption bottle has a chamber for holding sodium hydroxide solution, a scraping structure for scraping off crystals attached to the absorption bottle, and a collection device for collecting the scraped-off crystals.
2. The pollution-resistant hydrogen chloride sampler according to claim 1, characterized in that, The cavity inside the absorption bottle is a cylindrical cavity.
3. The pollution-resistant hydrogen chloride sampler according to claim 2, characterized in that, The scraping structure includes a rotating tube and a disc. The rotating tube passes through the bottle cap and is connected inside the absorption bottle. The disc has the same shape as the cross-sectional shape of the absorption bottle, and the outer wall of the disc is attached to the inner wall of the absorption bottle. A communication structure is fixed between the bottom of the rotating tube and the disc.
4. The pollution-resistant hydrogen chloride sampler according to claim 2, characterized in that, The scraping structure includes a rotating tube, a disc, and a scraper. The rotating tube passes through the bottle cap and is connected inside the absorption bottle. A communication structure is fixed between the bottom of the rotating tube and the disc. A fan-shaped notch is opened on the disc. The scraper is rotatably connected below the disc. The rotating tube is equipped with a rotating component for controlling the rotation of the scraper to open and close the fan-shaped notch. The shape of the disc is the same as the cross-sectional shape of the absorption bottle, and the outer wall of the disc is attached to the inner wall of the absorption bottle.
5. A pollution-resistant hydrogen chloride sampler according to claim 3 or 4, characterized in that, The collecting device includes a collecting box located inside the absorption bottle and above the liquid surface, and a sleeve rotatably connected to the bottle cap of the absorption bottle and driving the collecting box to rotate. The sleeve is coaxially sleeved on the rotating tube, and a handle is fixedly connected to the top of the sleeve extending out of the bottle cap. An opening for scraping crystals on the disc is provided on one side of the bottom of the collecting box, and a collecting bag is detachably connected to the opening.
6. A pollution-resistant hydrogen chloride sampler according to claim 3 or 4, characterized in that, The connecting structure is a cylindrical boss fixed between the rotating pipe and the disc. The disc is fixed below the top of the cylindrical boss. A water inlet is opened through the cylindrical boss. The top of the water inlet is opened on the side wall of the cylindrical boss above the disc. The bottom of the water inlet extends to the bottom surface of the cylindrical boss. A filter screen is fixed inside the water inlet.
7. A pollution-resistant hydrogen chloride sampler according to claim 1, characterized in that, The sampling cover has a through hole, and inside the sampling cover are a removable sliding plate for controlling the opening and closing of the through hole, a first filter plate with progressively larger mesh size for filtering particulate matter, and a second filter plate.