CN216764806U - Pressure swing adsorption hydrogen production coal gas preprocessing device - Google Patents
Pressure swing adsorption hydrogen production coal gas preprocessing device Download PDFInfo
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- CN216764806U CN216764806U CN202123430384.5U CN202123430384U CN216764806U CN 216764806 U CN216764806 U CN 216764806U CN 202123430384 U CN202123430384 U CN 202123430384U CN 216764806 U CN216764806 U CN 216764806U
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Abstract
The utility model discloses a pressure swing adsorption hydrogen production coal gas pretreatment device, which comprises a skirt seat body, a cylinder body, a skirt seat mechanism, a packaging mechanism, a filtering mechanism, a packing mechanism, an air inlet and a second liquid level meter port, and is characterized in that the skirt seat body is installed below the cylinder body, the skirt seat mechanism is installed on the skirt seat body, the packaging mechanism is installed above the cylinder body, the filtering mechanism is installed at a lower position inside the cylinder body, the packing mechanism is installed on the cylinder body above a silk screen of the filtering mechanism, the air inlet is installed on the cylinder body below the silk screen, and the second liquid level meter port is installed on the opposite cylinder body of the air inlet. The method can reduce the adverse effect on the hydrogen production system, effectively reduce the equipment shutdown maintenance time, prolong the service life of the filler in the subsequent process, systematically reduce the hydrogen production cost, prolong the service life of the filler and reduce the emission of hazardous wastes.
Description
Technical Field
The utility model relates to the technical field of coal gas pretreatment, in particular to a pressure swing adsorption hydrogen production coal gas pretreatment device.
Background
At present, although most impurities are separated in the hydrogen production process of coke oven gas, trace impurities are not removed, and the impurities directly cause poisoning of an adsorbent after entering a subsequent process, so that an oil remover is arranged for further removing heavy components in raw materials.
The existing oil remover of the hydrogen production station is internally designed with steel meshes, heavy molecules such as tar and the like are removed through the dense steel meshes, the removal effect is poor after long-term operation, the use periods of fillers of a naphthalene removal tower, a pretreatment tower and a PSA adsorption tower are directly influenced, the hydrogen production unit has the defects of frequent failure caused by excessive gas impurities, uncontrollable equipment state, insufficient continuous effective operation time of the unit and the like, and the production is seriously influenced and restricted.
Disclosure of Invention
The utility model provides a pressure swing adsorption hydrogen production coal gas pretreatment device, which aims to solve a series of technical problems that a traditional oil remover is not thorough in filtering coal gas impurities.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a pressure swing adsorption hydrogen production coal gas pretreatment device comprises a skirt seat body, a cylinder body, a skirt seat mechanism, a packaging mechanism, a filtering mechanism, a filling mechanism, an air inlet and a second liquid level meter port, and is characterized in that the skirt seat body is installed below the cylinder body, the skirt seat mechanism is installed on the skirt seat body, the packaging mechanism is installed above the cylinder body, the filtering mechanism is installed at the lower position inside the cylinder body, the filling mechanism is installed on the cylinder body above a silk screen of the filtering mechanism, the air inlet is installed on the cylinder body below the silk screen, the second liquid level meter port is installed on the opposite cylinder body of the air inlet, the skirt seat mechanism comprises an exhaust hole, a first liquid level meter port, a drain outlet, an electrostatic grounding plate and a skirt seat inspection port, the drain outlet is connected with the bottom of the cylinder body, the first liquid level meter port is installed above the drain outlet, exhaust holes are installed at the positions, which are lower than the cylinder body, and the skirt seat inspection port is installed at the middle position of the skirt seat body, the position that contacts civil engineering basis below the skirt pedestal installs static ground plate, encapsulation mechanism include head, lug, collector, gas outlet, with the head welding on barrel upper portion, processing lug above the head both sides, barrel top position processing installation collector, the gas outlet of upper portion installation of collector, filter mechanism include backup pad, lock ring, grid tray, silk screen, lock ring fixed mounting is at the top of backup pad, afterwards with grid tray fixed mounting at the top of lock ring to with silk screen fixed mounting on the grid tray, filler mechanism includes filler baffle, discharge opening, filler, the filler is filled in the barrel above the silk screen.
The first liquid level meter port and the sewage draining port are connected to the bottom of the barrel through a common vertical pipe.
The gas outlet of the packaging mechanism is connected with the top of the collector through a bolt.
Compared with the prior art, the utility model has the beneficial effects that:
after the pressure swing adsorption hydrogen production gas pretreatment device, the adverse effect of coke oven gas on a hydrogen production system can be reduced, the shutdown maintenance time of equipment is effectively reduced, the service cycle of the filler in the subsequent process is prolonged, the hydrogen production cost is systematically reduced, the service cycle of the filler is prolonged, and the discharge of hazardous wastes is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a pressure swing adsorption hydrogen production gas pretreatment device.
FIG. 2 is a schematic sectional view of the structure of a pressure swing adsorption hydrogen production gas pretreatment device according to the present invention.
FIG. 3 is a partial enlarged view of the pretreatment device A for pressure swing adsorption hydrogen production gas according to the present invention.
FIG. 4 is a schematic top view of the structure of a pressure swing adsorption hydrogen production gas pretreatment device according to the present invention.
In the figure: 1. skirt base body 2, cylinder 3, skirt base mechanism 4, packaging mechanism 5, filtering mechanism 6 and filling mechanism
7. Air inlet 8, second liquid level meter port 31, exhaust hole 32, first liquid level meter port 33 and sewage draining port
34. Static earth plate 35, skirt inspection port 41, end enclosure 42, lifting lug 43 and collector
44. Gas outlet 51, support plate 52, support ring 53, grid 54, wire mesh
61. Filler baffle 62, discharge port 63, filler a, partial enlarged view
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, 2 and 4, a pressure swing adsorption hydrogen production gas pretreatment device comprises a skirt base body 1, a cylinder body 2, a skirt base mechanism 3, a packaging mechanism 4, a filtering mechanism 5, a packing mechanism 6, an air inlet 7 and a second liquid level meter port 8, and is characterized in that the skirt base body 1 is installed below the cylinder body 2, the skirt base mechanism 3 is installed on the skirt base body 1, the packaging mechanism 4 is installed on the cylinder body 2, the filtering mechanism 5 is installed at a lower position inside the cylinder body 2, the packing mechanism 6 is installed on the cylinder body 2 above a screen 54 of the filtering mechanism 5, the air inlet 7 is installed on the cylinder body 2 below the screen 54, the second liquid level meter port 8 is installed on the cylinder body opposite to the air inlet 7, the prefabricated gas is introduced into the cylinder body 2 through the air inlet 7, then the filtering treatment is carried out through the screen 54 on a grid plate 53, and the filtered gas is subjected to secondary adsorption treatment through the packing 63, the treated gas is collected by a collector 43 and is discharged through a gas outlet 44, the skirt mechanism 3 comprises an exhaust hole 31, a first liquid level meter port 32, a sewage discharge port 33, an electrostatic grounding plate 34 and a skirt inspection port 35, the sewage discharge port 33 is connected with the bottom of the barrel, the first liquid level meter port 32 is arranged on the sewage discharge port 33, exhaust holes 31 are arranged at the positions, lower than the barrel, of the two sides of the skirt base 1, the skirt inspection port 35 is arranged at the middle position of the skirt base 1, the electrostatic grounding plate 34 is arranged at the position, lower than the skirt base 1, in contact with a civil engineering foundation, redundant gas in the barrel 2 is discharged through the arranged exhaust hole 31, the internal pressure is prevented from being too high, the sewage collected by the filtering mechanism 5 is discharged through the sewage discharge port 33, the filtering effect is prevented from being deteriorated due to accumulation, the internal accumulated liquid accumulation condition is observed through the first liquid level meter port 32 and the second liquid level meter port 8, and drainage is facilitated, the packaging mechanism 4 comprises a sealing head 41, lifting lugs 42, a collector 43 and a gas outlet 44, the sealing head 41 is welded on the upper portion of the cylinder body 2, the lifting lugs 42 are processed on two sides of the sealing head 41, the collector 43 is processed and installed on the top of the cylinder body 2, the gas outlet 44 is installed on the upper portion of the collector 43, the filtering mechanism 5 comprises a supporting plate 51, a supporting ring 52, a grid plate 53 and a wire mesh 54, the supporting ring 52 is fixedly installed on the top of the supporting plate 51, then the grid plate 53 is fixedly installed on the top of the supporting ring 52, the wire mesh 54 is fixedly installed on the grid plate 53, the filling mechanism 6 comprises a filling baffle 61, a discharging opening 62 and filling 63, the filling 63 is filled in the cylinder body 2 above the wire mesh 54, and when the filling 63 needs to be replaced, the discharging opening 62 is opened, the filling 63 is discharged, and the filling 63 is replaced again.
As shown in FIG. 2, the first level gauge port 32 and the drain outlet 33 share a single vertical pipe connected to the bottom of the tank 2.
As shown in the enlarged part a of fig. 3, the gas outlet 44 of the packing mechanism 4 is connected to the top of the collector 43 by bolts.
The working principle of the pressure swing adsorption hydrogen production coal gas pretreatment device is as follows: gas enters the barrel 2 and is filtered through the wire mesh 54, gas secondary adsorption treatment is carried out on the gas through the internal filler 63 to remove gas impurities, the filtered gas is output through the gas outlet 44, the filtered impurities are discharged through the exhaust holes 31 and the drain outlet 33 on the skirt base body 1, and accumulated liquid in the barrel is observed through the first liquid level meter port 32 and the second liquid level meter port 8.
The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A
As shown in fig. 1, 2, 3 and 4, the skirt body 1, the cylinder body 2, the skirt mechanism 3, the packaging mechanism 4, the filtering mechanism 5, the filling mechanism 6, the air inlet 7 and the second liquid level meter port 8 are processed according to design requirements.
As shown in fig. 1, a skirt body 1, a skirt mechanism 3, a packaging mechanism 4, a filtering mechanism 5, a filling mechanism 6, an air inlet 7 and a second liquid level meter port 8 are installed on a cylinder body 2.
Introducing coke oven gas into the gas inlet 7, leading the gas to pass through the wire mesh 54 and the filler 63 inside the cylinder body 2, and leading the gas without impurities to enter a naphthalene removal tower, a pretreatment tower and a PSA adsorption tower through the gas outlet 44.
The filtered impurities are discharged through the vent hole 31 and the sewage outlet 33 on the skirt body 1.
When the utility model is used, the adverse effect on a hydrogen production system can be reduced, the equipment shutdown maintenance time can be effectively reduced, the use period of the filler in the subsequent process can be prolonged, the hydrogen production cost can be systematically reduced, the use period of the filler can be prolonged, and the discharge of hazardous wastes can be reduced.
Claims (3)
1. A pressure swing adsorption hydrogen production coal gas pretreatment device comprises a skirt seat body, a cylinder body, a skirt seat mechanism, a packaging mechanism, a filtering mechanism, a filling mechanism, an air inlet and a second liquid level meter port, and is characterized in that the skirt seat body is installed below the cylinder body, the skirt seat mechanism is installed on the skirt seat body, the packaging mechanism is installed above the cylinder body, the filtering mechanism is installed at the lower position inside the cylinder body, the filling mechanism is installed on the cylinder body above a silk screen of the filtering mechanism, the air inlet is installed on the cylinder body below the silk screen, the second liquid level meter port is installed on the opposite cylinder body of the air inlet, the skirt seat mechanism comprises an exhaust hole, a first liquid level meter port, a drain outlet, an electrostatic grounding plate and a skirt seat inspection port, the drain outlet is connected with the bottom of the cylinder body, the first liquid level meter port is installed above the drain outlet, exhaust holes are installed at the positions, which are lower than the cylinder body, and the skirt seat inspection port is installed at the middle position of the skirt seat body, the position that contacts civil engineering basis below the skirt pedestal installs static ground plate, encapsulation mechanism include head, lug, collector, gas outlet, with the head welding on barrel upper portion, processing lug above the head both sides, barrel top position processing installation collector, the gas outlet of upper portion installation of collector, filter mechanism include backup pad, lock ring, grid tray, silk screen, lock ring fixed mounting is at the top of backup pad, afterwards with grid tray fixed mounting at the top of lock ring to with silk screen fixed mounting on the grid tray, filler mechanism includes filler baffle, discharge opening, filler, the filler is filled in the barrel above the silk screen.
2. The pretreatment device for hydrogen gas production by pressure swing adsorption as claimed in claim 1, wherein the first liquid level meter port and the sewage draining port are connected to the bottom of the cylinder body by a common vertical pipe.
3. The pretreatment device for pressure swing adsorption hydrogen production coal gas according to claim 1, wherein the gas outlet of the packaging mechanism is connected with the top of the collector by bolts.
Priority Applications (1)
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CN202123430384.5U CN216764806U (en) | 2021-12-30 | 2021-12-30 | Pressure swing adsorption hydrogen production coal gas preprocessing device |
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CN202123430384.5U CN216764806U (en) | 2021-12-30 | 2021-12-30 | Pressure swing adsorption hydrogen production coal gas preprocessing device |
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CN202123430384.5U Active CN216764806U (en) | 2021-12-30 | 2021-12-30 | Pressure swing adsorption hydrogen production coal gas preprocessing device |
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