CN215742756U - Visual pressure swing adsorption separator - Google Patents
Visual pressure swing adsorption separator Download PDFInfo
- Publication number
- CN215742756U CN215742756U CN202120052863.9U CN202120052863U CN215742756U CN 215742756 U CN215742756 U CN 215742756U CN 202120052863 U CN202120052863 U CN 202120052863U CN 215742756 U CN215742756 U CN 215742756U
- Authority
- CN
- China
- Prior art keywords
- adsorption
- pressure swing
- cylinder
- swing adsorption
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
A visual pressure swing adsorption separation device comprises an adsorption cylinder and an adsorption bed, wherein two ends of the adsorption cylinder are open, gas can pass through the adsorption cylinder, and the wall material of the adsorption cylinder is a high-temperature and high-pressure resistant transparent material; the adsorption bed is arranged in the adsorption cylinder, the adsorption bed is provided with adsorption materials, the adsorption materials are used for adsorbing specific gas components, the adsorption materials are color-changeable adsorption materials, and specific colors can be presented according to different gas compositions. The visual pressure swing adsorption separation device can visually observe the specific adsorption condition of pressure swing adsorption, monitor the adsorption process in real time and judge the adsorption effect according to the color change of the adsorption material.
Description
Technical Field
The utility model relates to the technical field of gas adsorption, in particular to a visual pressure swing adsorption separation device.
Background
Adsorption refers to the phenomenon and process in which molecules of a less dense species are enriched at the surface of a more dense species when two species of different phase states are brought into contact. The adsorption can be divided into four categories, namely chemical adsorption, active adsorption, capillary condensation and physical adsorption according to different properties, and the adsorption in the pressure swing adsorption gas separation device is mainly physical adsorption. The physical adsorption is characterized in that no chemical reaction exists in the adsorption process, the adsorption process is very fast, the dynamic balance among all phase substances participating in the adsorption can be completed instantly, and the adsorption is completely reversible.
The pressure swing adsorption technology is based on the physical adsorption of the internal surface of a specific adsorbent to gas molecules, the adsorption capacity is increased under high pressure and reduced under low pressure by utilizing the characteristics of the adsorbent, the raw material gas passes through an adsorption bed under certain pressure, the components in the raw material gas are selectively adsorbed, and other components pass through the adsorption bed to achieve the separation of the gas components. The adsorbent used in the pressure swing adsorption device is solid particles, such as activated alumina, activated carbon, silica gel and molecular sieve, and in the production practice, the adsorbent is sequentially filled in layers according to the adsorption performance according to different gas components to form a composite adsorption bed so as to achieve the purpose of separating the required product components.
The existing pressure swing adsorption device adopts invisible materials as an adsorption tower body, the internal adsorption phenomenon is invisible, the adsorption process in the adsorption tower cannot be monitored in real time, the existing adsorption device adopts the non-color-changeable adsorbent to adsorb data theoretical research, and the actual effect cannot be confirmed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a visual pressure swing adsorption separation device to solve the problem that an adsorption process of the existing pressure swing adsorption device is not visual.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the visual pressure swing adsorption separation device comprises an adsorption cylinder and an adsorption bed, wherein two ends of the adsorption cylinder are opened for gas to pass through, and the cylinder wall of the adsorption cylinder is made of transparent materials; the adsorption bed is arranged in the adsorption cylinder and comprises a color-changeable adsorption material.
Furthermore, sealing parts and flanges are arranged at two ports of the adsorption cylinder, and the flanges are matched with the sealing parts to connect the adsorption cylinder with other components in a sealing manner.
Further, the flange is made of stainless steel materials.
Further, a filter screen is arranged on the sealing part.
Furthermore, a gasket is arranged on the filter screen, and a plurality of small holes are formed in the gasket.
Further, the adsorption cylinder is cylindrical.
The utility model has the beneficial effects that:
the utility model discloses a visual pressure swing adsorption separation device, which comprises an adsorption cylinder and an adsorption bed, wherein the adsorption cylinder is made of transparent materials; the adsorption bed is arranged in the adsorption cylinder and comprises a color-changeable adsorption material, and the color-changeable adsorption material presents specific colors according to adsorbed gas components. The visual pressure swing adsorption separation device can visually observe the specific adsorption condition of pressure swing adsorption and monitor the adsorption process in real time.
Drawings
FIG. 1 is a cross-sectional view of a visual pressure swing adsorption separation device of the present invention;
FIG. 2 is a partial schematic view of a visual pressure swing adsorption separation apparatus of the present invention;
FIG. 3 is another partial schematic view of a visual pressure swing adsorption separation apparatus of the present invention;
fig. 4 is a schematic view of an application scenario of the visual pressure swing adsorption separation device of the present invention.
Names corresponding to the marks in the figure: 1. the device comprises a first sealing part, 2, a first flange, 3, a first gasket, 4, a quartz glass cylinder, 5, a second gasket, 6, a second flange, 7, a second sealing part, 8, an adsorption unit, 9, an air compressor, 10, a raw material gas buffer tank, 11, a filter assembly, 12, a first pressure swing adsorption separation device, 13, a second pressure swing adsorption separation device, 14, a filter, 15, an adsorption gas outlet, 16, a vacuum pump, 17, a first adsorbent filter screen, 18 and a second adsorbent filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example 1 of the utility model:
the visual pressure swing adsorption separation device shown in figure 1 comprises a quartz glass cylinder 4 and an adsorption bed 8.
The quartz glass cylinder 4 is cylindrical, the cylinder wall of the quartz glass cylinder 4 has a certain thickness, and the quartz glass cylinder 4 can bear certain pressure, and the pressure of adsorption is different according to different adsorbed gases in the pressure swing adsorption process, so that the quartz glass cylinder 4 adopted in the embodiment can bear the pressure within 1.5MPa, is suitable for the pressure swing adsorption with the maximum adsorption pressure within 1.5MPa, and is not only resistant to high pressure but also resistant to high temperature, and the safe operation of the device is ensured.
As shown in fig. 1, a first sealing portion 1 is disposed at the top end of a quartz glass cylinder 4, the first sealing portion 1 extends along a plane where the top end of the quartz glass cylinder 4 is located, the edge of the first sealing portion 1 exceeds the outer cylinder wall of the quartz glass cylinder 4, a first flange 2 is disposed above the first sealing portion 1, and the first flange 2 is attached to the upper side face of the first sealing portion 1. The wall of the quartz glass cylinder 4 is provided with a flange matched with the first flange 2, and the two flanges are connected through bolts to seal and attach the first flange 2 and the first sealing part 1.
The bottom end of the quartz glass cylinder 4 is provided with a second sealing part 7, the second sealing part 7 extends along the plane where the bottom end of the quartz glass cylinder 4 is located, the edge of the second sealing part 7 exceeds the outer cylinder wall of the quartz glass cylinder 4, a second flange 6 is arranged below the second sealing part 7, and the second flange 6 is attached to the lower side face of the second sealing part 7. As shown in the figure, the wall of the quartz glass cylinder 4 is provided with a flange matched with the second flange 6, and the two flanges are connected through a bolt to hermetically attach the second flange 6 to the second sealing part 7.
The adsorption bed 8 is arranged in the quartz glass cylinder 4, the adsorption bed 8 is composed of allochroic adsorption silica gel particles, the allochroic adsorption silica gel particles can selectively absorb gas and then change color, and the adsorption condition in the quartz glass cylinder 4 can be judged by observing the allochroic adsorption silica gel particles. The allochroic adsorption silica gel can adopt different allochroic silica gels according to different gases to be adsorbed, and also can be arranged in a layered mode through a plurality of different allochroic adsorption silica gels so as to observe the adsorption condition of different component gases.
As shown in fig. 2-3, a first adsorbent screen 17 is disposed at the upper port of the quartz glass cylinder 4, the first adsorbent screen 17 is a 200-mesh screen, and the allochroic adsorption silica gel particles are limited in the quartz glass cylinder 4, so as to ensure the adsorption effect. Similarly, the lower port of the quartz glass cylinder 4 is provided with a second adsorbent screen 18, and the second adsorbent screen 18 is a 200-mesh screen.
As shown in fig. 2-3, in order to ensure the adsorption effect, a first gasket 3 is arranged above the first adsorbent filter screen 17, the upper side of the first gasket 3 is attached to the lower side of the first flange 2, the lower side of the first gasket is attached to the upper side of the first adsorbent filter screen 17, the first gasket 3 is used for compacting the allochroic adsorption silica gel particles at the upper port of the quartz glass cylinder 4, so that the adsorption effect is improved, and a plurality of small holes are further formed in the first gasket 3 for ventilation. Similarly, second gasket 5 is provided with in the below of second adsorbent filter screen 18, and the laminating of side on 5 downside of second gasket and second flange 6 goes up the side, goes up the side and laminates with 18 downside of second adsorbent filter screen, and second gasket 5 is used for the compaction to be in the adsorption silica gel granule that discolours of quartz glass section of thick bamboo lower extreme mouth department, improves adsorption effect, still is provided with a plurality of apertures on the second gasket 5 and is used for breathing freely.
The remaining space, called dead space, after the volume occupied by the adsorbent is removed from the pressure swing adsorption apparatus, the total amount of the gas components in the pressure swing adsorption apparatus when the gas components are in equilibrium for adsorption is divided into two parts, one part is in the dead space, and the other part is adsorbed by the adsorbent. The dead space is reduced, the space occupied by the adsorbent is increased, the adsorption efficiency can be improved, the adsorption condition in the pressure swing adsorption device can be observed by adopting quartz glass, the parameters and the structure of the pressure swing adsorption device can be favorably adjusted, the structure of the device is optimized, and the dead space is reduced.
Fig. 4 is a schematic diagram illustrating an application scenario of a pressure swing adsorption apparatus.
Air compressor machine 9 produces high-pressure gas, and high-pressure gas stores in raw materials gas buffer tank 10, then the feed gas filters through filter assembly 11, and filter assembly 11 filters moisture and oil in the feed gas, and the feed gas gets into first pressure swing adsorption separator 12, second pressure swing adsorption separator 13. The raw gas entering the adsorption device is subjected to the processes of gas flow direction, pressurized adsorption of the adsorption device and pressure reduction desorption through the opening and closing of a plurality of pneumatic valves controlled by a controller, the adsorbed gas is filtered by a filter 14 and then is led out through an adsorbed gas outlet 15, and the unadsorbed gas is pumped out through a vacuum pump 16.
Claims (4)
1. A visual pressure swing adsorption separator which characterized in that: the adsorption device comprises an adsorption cylinder and an adsorption bed, wherein two ends of the adsorption cylinder are opened for gas to pass through, and the cylinder wall of the adsorption cylinder is made of transparent materials; the adsorption bed is arranged in the adsorption cylinder and comprises a color-changeable adsorption material, sealing parts and flanges are arranged at two ports of the adsorption cylinder, the flanges are matched with the sealing parts to connect the adsorption cylinder with other components in a sealing manner, and a filter screen is arranged on the sealing parts.
2. The visual pressure swing adsorption separation device of claim 1, wherein: the flange is made of stainless steel materials.
3. The visual pressure swing adsorption separation device of claim 1, wherein: be provided with the gasket on the filter screen, be provided with a plurality of apertures on the gasket.
4. The visual pressure swing adsorption separation device of claim 1, wherein: the adsorption cylinder is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120052863.9U CN215742756U (en) | 2021-01-08 | 2021-01-08 | Visual pressure swing adsorption separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120052863.9U CN215742756U (en) | 2021-01-08 | 2021-01-08 | Visual pressure swing adsorption separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215742756U true CN215742756U (en) | 2022-02-08 |
Family
ID=80071011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120052863.9U Active CN215742756U (en) | 2021-01-08 | 2021-01-08 | Visual pressure swing adsorption separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215742756U (en) |
-
2021
- 2021-01-08 CN CN202120052863.9U patent/CN215742756U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218376774U (en) | Oil-free double-row piston type vacuum compression all-in-one machine based on VPSA technology | |
| CN101428763B (en) | Adsorption column top cover integration of oxygen generator | |
| CN101229472A (en) | Gas drying purifier | |
| CN210332052U (en) | Nitrogen making machine with dust filtering function | |
| CN108717286A (en) | A kind of dual controller control method | |
| CN215742756U (en) | Visual pressure swing adsorption separator | |
| CN2875568Y (en) | Pressure change adsorption gas separation device | |
| CN208474564U (en) | A kind of interaction switching pressurized air purification valve body | |
| CN220214437U (en) | Low-energy-consumption PSA air separation nitrogen making device | |
| CN2828006Y (en) | Molecular sieve oxygenerator | |
| CN101949465A (en) | Combined valve | |
| CN202061531U (en) | Non-heating regeneration adsorption type compressed air drier | |
| CN216572338U (en) | Carbon dioxide capture system of flue gas | |
| CN201148346Y (en) | Multi-segment absorber pressure swing adsorption oxygen generator | |
| CN201127880Y (en) | Device for drying and purifying gas | |
| CN2908464Y (en) | Combined nitrogen, oxygen generator | |
| CN212309247U (en) | High-frequency valve back-blowing pipeline for molecular sieve adsorption integrated tower | |
| CN2897749Y (en) | Nitrogen filler of tyre | |
| CN2787239Y (en) | Molecular sieve PSA oxygen machine for medical and healthcare use | |
| CN209865695U (en) | Gas flow distributor and nitrogen production equipment | |
| CN2381375Y (en) | Pressure variable double layer adsorbing apparatus | |
| CN203737071U (en) | Novel pressure swing adsorption device | |
| CN1631489A (en) | Pressure swing absorption method for preparing nitrogen from air | |
| CN212924410U (en) | Adsorption separation tank for nitrogen making machine | |
| CN216295709U (en) | Adsorption barrel for separating nitrogen and oxygen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |