CN209791220U - Pressure loss protection system of pressure swing adsorption device - Google Patents

Abstract

the utility model discloses a pressure swing adsorption equipment decompression protection system, including pressure swing adsorption equipment, evacuation pipe, pressure detection gas port, trachea, pressure switch, automatically controlled valve, solenoid, muffler, controller casing, time relay, bee calling organ, switch, actuating mechanism manual switch, power input binding post, control signal output binding post, the long-range binding post of alarm signal, backup pad, curb plate, protective housing, extension board, nut, screw rod, limiting plate, sealing door and sealing washer. The pressure loss protection system of the pressure swing adsorption device is simple in structure, the controller shell is placed in the protection shell, and the controller shell is fixed and installed conveniently through the matching of the screw and the nut; the design through the limiting plate is favorable to spacing sealing door to the design through the sealing washer is favorable to the sealed of protector casing, has avoided the accumulational problem of inside dust of controller casing.

Description

Pressure loss protection system of pressure swing adsorption device

Technical Field

the utility model relates to a pressure loss protection system specifically is a pressure swing adsorption equipment pressure loss protection system, belongs to pressure swing adsorption equipment application technical field.

background

the pressure swing adsorption device pressure loss protection system is used for playing a role in protection when the pressure swing adsorption device fails, and the pressure swing adsorption device is widely applied to: the process comprises the steps of drying compressed air and industrial gas, preparing high-purity hydrogen, separating air to prepare oxygen or nitrogen, separating mixed gas, separating alkane and olefin and other biodegradable detergent intermediates, separating naphtha high-purity normal alkane solvent and isomers, preparing high-purity carbon monoxide, recycling industrial tail gas and the like.

the pressure loss protection system of the pressure swing adsorption device in the market at present is used for protecting the valve fault in the pressure swing adsorption device, so that the pressure of the whole system is prevented from being rapidly reduced, and the pressure loss phenomenon is avoided; and when the controller fails, the maintenance of the electronic elements in the controller is not facilitated, so that the operation is inconvenient, and the maintenance in the controller is not facilitated. Therefore, a pressure loss protection system of a pressure swing adsorption device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure swing adsorption equipment decompression protection system for solving above-mentioned problem.

the utility model realizes the purpose by the following technical proposal, a pressure swing adsorption device pressure loss protection system comprises an emptying pipe, a support plate, a protection mechanism and an installation mechanism which are arranged at one side of the pressure swing adsorption device, wherein the bottom end of the pressure swing adsorption device is communicated with the end part of the emptying pipe;

The protection mechanism comprises an emptying pipe, a pressure detection air port, an air pipe, a pressure switch, an electric control valve, an electromagnetic coil, a silencer, a controller shell, a time relay, a buzzer, a power switch, an actuating mechanism manual switch, a power input connecting terminal, a control signal output connecting terminal and an alarm signal remote connecting terminal, wherein the end part of the emptying pipe is communicated with the pressure detection air port, the pressure detection air port is communicated with the air pipe, the end part of the air pipe is communicated with the pressure switch, the middle part of the emptying pipe is communicated with the electric control valve, the top end of the electric control valve is fixedly connected with the electromagnetic coil, the end part of the emptying pipe is fixedly connected with the silencer, the pressure switch is fixedly connected with the inner part of the controller shell, the inner part of the controller shell is fixedly connected with the time relay, and the side wall of the controller shell is fixedly connected with the buzzer, the interior of the controller shell is fixedly connected with a power input connecting terminal, a control signal output connecting terminal and an alarm signal remote connecting terminal respectively;

Installation mechanism includes controller casing, backup pad, curb plate, protective housing, extension board, nut, screw rod, limiting plate, sealing door and sealing washer, backup pad bottom and curb plate fixed connection, the protective housing has been placed on the backup pad top, protective housing bottom and extension board fixed connection, just extension board and screw rod through connection, screw rod tip and nut threaded connection, just screw rod and limiting plate through connection, the protective housing lateral wall passes through the hinge with the sealing door and articulates, the opening edge and the sealing washer fixed connection that controller casing lateral wall was seted up.

Preferably, the controller shell is located inside the protective shell, and two sides of the bottom of the protective shell are fixedly connected with the two extension plates respectively.

preferably, the number of the screw rods is four, the four screw rods penetrate through the supporting plate and the extending plate and are in threaded connection with the supporting plate and the extending plate respectively, and the two screw rods penetrate through the two ends of the limiting plate and are in sliding connection with the two ends of the limiting plate respectively.

Preferably, the limiting plate is located on one side of the sealing door, the limiting plate contacts with the bottom end of the sealing door, and the edge of the inner wall of the sealing door contacts with the sealing ring.

Preferably, the electric control valve is positioned between the pressure detection air port and the silencer, and the electromagnetic coil at the top end of the electric control valve is electrically connected with the control signal output wiring terminal through a lead.

Preferably, the number of the side plates is two, and the two side plates are respectively fixedly connected with two sides of the bottom end of the supporting plate.

The utility model has the advantages that:

1. The pressure loss protection system of the pressure swing adsorption device is simple in structure and convenient to operate, the controller shell is protected through the protective shell by placing the controller shell inside the protective shell, the controller shell is fixed through the matching of the screw and the nut, the fixing is convenient, and the installation of the controller shell is facilitated;

2. This pressure swing adsorption device decompression protection system is favorable to spacing sealing door through the design of limiting plate to the design through the sealing washer does benefit to the sealed of protector casing, is favorable to avoiding the accumulational problem of controller casing inside dust, has avoided the inside damage of controller, has reduced the risk that needs the maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of the electrical principle structure of the present invention;

Fig. 4 is a schematic view of the installation and connection structure of the present invention.

In the figure: 1. pressure swing adsorption equipment, 2, evacuation pipe, 3, pressure detection gas port, 4, trachea, 5, pressure switch, 6, automatically controlled valve, 7, solenoid, 8, muffler, 9, controller casing, 10, time relay, 11, bee calling organ, 12, switch, 13, actuating mechanism hand switch, 14, power input binding post, 15, control signal output binding post, 16, alarm signal remote binding post, 17, backup pad, 18, curb plate, 19, protective housing, 20, extension board, 21, nut, 22, screw rod, 23, limiting plate, 24, sealing door, 25, sealing washer.

Detailed Description

in order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

in the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a pressure swing adsorption device pressure loss protection system includes an evacuation pipe 2 installed at one side of a pressure swing adsorption device 1, a support plate 17, a protection mechanism and an installation mechanism, wherein the bottom end of the pressure swing adsorption device 1 is communicated with the end of the evacuation pipe 2;

The protection mechanism comprises an emptying pipe 2, a pressure detection air port 3, an air pipe 4, a pressure switch 5, an electric control valve 6, an electromagnetic coil 7, a silencer 8, a controller shell 9, a time relay 10, a buzzer 11, a power switch 12, an actuating mechanism manual switch 13, a power input connecting terminal 14, a control signal output connecting terminal 15 and an alarm signal remote connecting terminal 16, wherein the end part of the emptying pipe 2 is communicated with the pressure detection air port 3, the pressure detection air port 3 is communicated with the air pipe 4, the end part of the air pipe 4 is communicated with the pressure switch 5, the middle part of the emptying pipe 2 is communicated with the electric control valve 6, the top end of the electric control valve 6 is fixedly connected with the electromagnetic coil 7, the end part of the emptying pipe 2 is fixedly connected with the silencer 8, the pressure switch 5 is fixedly connected with the inside of the controller shell 9, and the inside of the controller shell 9 is fixedly connected with the time, the side wall of the controller shell 9 is respectively fixedly connected with a buzzer 11, a power switch 12 and an actuating mechanism manual switch 13, and the inside of the controller shell 9 is respectively fixedly connected with a power input connecting terminal 14, a control signal output connecting terminal 15 and an alarm signal remote connecting terminal 16 and used for connecting the power switch 12, the electromagnetic coil 7 and the buzzer 11;

Installation mechanism includes controller casing 9, backup pad 17, curb plate 18, protective housing 19, extension board 20, nut 21, screw rod 22, limiting plate 23, sealing door 24 and sealing washer 25, backup pad 17 bottom and curb plate 18 fixed connection for controller casing 9's is fixed, protective housing 19 has been placed on backup pad 17 top, protective housing 19 bottom and extension board 20 fixed connection, just extension board 20 and screw rod 22 through connection, screw rod 22 tip and nut 21 threaded connection, just screw rod 22 and limiting plate 23 through connection, protective housing 19 lateral wall passes through hinge with sealing door 24 and articulates, the opening edge and the sealing washer 25 fixed connection that controller casing 9 lateral wall was seted up for avoid the entering of dust.

The controller shell 9 is positioned inside the protective shell 19, and two sides of the bottom of the protective shell 19 are respectively fixedly connected with the two extension plates 20, so that the controller shell 9 is protected conveniently, and the protective shell 19 is fixed conveniently; the number of the screws 22 is four, the four screws 22 are respectively penetrated through and in threaded connection with the support plate 17 and the extension plate 20, and two of the screws 22 are respectively penetrated through and in sliding connection with two ends of the limiting plate 23, so that the protective shell 19 is conveniently fixed on the support plate 17, and the limiting plate 23 is conveniently fixed; the limiting plate 23 is positioned on one side of the sealing door 2, the limiting plate 23 is in contact with the bottom end of the sealing door 24, and the edge of the inner wall of the sealing door 24 is in contact with the sealing ring 25, so that the sealing door 2 is limited conveniently, and the controller shell 9 is sealed conveniently; the electric control valve 6 is positioned between the pressure detection air port 3 and the silencer 8, and the electromagnetic coil 7 at the top end of the electric control valve 6 is electrically connected with the control signal output connecting terminal 15 through a lead, so that the electric control valve 6 is controlled to work after the electromagnetic coil 7 is electrified, and the emptying pipe 2 is closed conveniently; the number of the side plates 18 is two, and the two side plates 18 are respectively fixedly connected with two sides of the bottom end of the supporting plate 17, so that the side plates 18 are convenient to fix, and the supporting plate 17 is convenient to support.

when the utility model is used, firstly, the external power supply of the electrical components in the device, the power switch 12 and the manual switch 13 of the actuating mechanism are placed on the supporting plate 17, the controller shell 9 is supported by the side plate 18, the protective shell 19 is placed on the supporting plate 17, the protective shell 19 compresses the controller shell 9 on the supporting plate 17, the limiting plate 23 is placed on the extending plate 20, the limiting plate 23 is supported against the bottom end of the sealing door 24, and the sealing door 24 is supported against the sealing ring 25, thereby being beneficial to sealing;

Then the screw 22 and the nut 21 are matched to fix the extension plate 20 on the support plate 17, so that the limit plate 23 is fixed at the same time, the installation of the controller shell 9 is convenient, the sealing of the controller shell 9 is facilitated, when the maintenance is carried out, the nut 21 is unscrewed, the limit plate 23 is taken down and then the maintenance is carried out by opening the sealing door 24, the difficulty of the operation is reduced, after the installation is finished, two ports of the power input terminal 14 are respectively connected with the power switch 12 and the pressure switch 5 through leads, the pressure switch 5 is connected with the two time relays 10 in parallel through leads, then one of the two paths is respectively connected with the electromagnetic coil 7 and the buzzer, when the power switch 12 is closed, when the exhaust pressure reaches the set upper limit value and keeps the set time value of the time relay 10, the upper limit contact of the pressure switch 5 is closed, the coil of the time relay 10 is electrified and starts to time, when the timing reaches a set value, the contact of the time relay 10 is closed, the electromagnetic coil 7 and the buzzer 11 are powered on, so that the electric control valve 6 acts to close the emptying pipe 2, the buzzer 11 sends out an audible and visual alarm signal, when the exhaust pressure reaches the set upper limit value but the holding time is less than the set value of the time relay 10, the upper limit contact of the pressure switch 5 is disconnected, the time relay 10 interrupts timing, the contact of the pressure switch cannot be closed, the electromagnetic coil 7 and the buzzer 11 cannot be powered on, the electric control valve 6 and the buzzer 11 cannot act, the pressure of the emptying pipe 2 of the pressure swing adsorption device 1 is detected through an electronic element in the controller shell 9, when the pressure reaches the set value and is kept to the set time, an electrical signal is sent to the electric control valve 6 to close the emptying pipe 2 in time, and an audible and visual alarm signal is sent out at the.

The controller detects the pressure of the emptying pipe of the pressure swing adsorption device, when the pressure reaches a set value and is kept for a set time, the intelligent controller immediately sends an electric signal to the actuating mechanism to timely close the emptying pipe and simultaneously sends an audible and visual alarm signal, so that the protection purpose is achieved.

Because each pressure swing adsorption device corresponds to a highest working pressure value and an exhaust time value (namely the time length from the highest working pressure to zero pressure in the 'quick pressure relief' stage) when the pressure swing adsorption device works normally, when the parameters are set, the upper limit value of the pressure switch is set between the highest working pressure value and zero, and the set time value of the time relay is smaller than or equal to the exhaust time value. When a power switch QS is closed, when the exhaust pressure reaches a set upper limit value and is kept to a set time value of a time relay, an upper limit contact of a pressure switch PT is closed, a coil of the time relay KT is electrified and starts to time, when the time reaches the set time value, a contact of the time relay KT is closed, an electromagnetic coil KM of an actuating mechanism and a buzzer HA are electrified, the actuating mechanism acts to close an exhaust pipe, the buzzer sends out an audible and visual alarm signal, when the exhaust pressure reaches the set upper limit value and the keeping time is less than the set time value of the time relay, the upper limit contact of the pressure switch PT is disconnected, the contact of the time relay KT is interrupted to time, the electromagnetic coil KM of the actuating mechanism and the.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. the utility model provides a pressure swing adsorption device pressure loss protection system which characterized in that: the device comprises an emptying pipe (2) arranged on one side of a pressure swing adsorption device (1), a supporting plate (17), a protection mechanism and an installation mechanism, wherein the bottom end of the pressure swing adsorption device (1) is communicated with the end part of the emptying pipe (2);

The protection mechanism comprises an emptying pipe (2), a pressure detection air port (3), an air pipe (4), a pressure switch (5), an electric control valve (6), an electromagnetic coil (7), a silencer (8), a controller shell (9), a time relay (10), a buzzer (11), a power switch (12), an actuating mechanism manual switch (13), a power input connecting terminal (14), a control signal output connecting terminal (15) and an alarm signal remote connecting terminal (16), wherein the end part of the emptying pipe (2) is communicated with the pressure detection air port (3), the pressure detection air port (3) is communicated with the air pipe (4), the end part of the air pipe (4) is communicated with the pressure switch (5), the middle part of the emptying pipe (2) is communicated with the electric control valve (6), and the top end of the electric control valve (6) is fixedly connected with the electromagnetic coil (7), the end part of the emptying pipe (2) is fixedly connected with a silencer (8), the pressure switch (5) is fixedly connected with the inside of a controller shell (9), the inside of the controller shell (9) is fixedly connected with a time relay (10), the side wall of the controller shell (9) is fixedly connected with a buzzer (11), a power switch (12) and an actuating mechanism manual switch (13) respectively, and the inside of the controller shell (9) is fixedly connected with a power input connecting terminal (14), a control signal output connecting terminal (15) and an alarm signal remote connecting terminal (16) respectively;

installation mechanism includes controller casing (9), backup pad (17), curb plate (18), protective housing (19), extension board (20), nut (21), screw rod (22), limiting plate (23), sealing door (24) and sealing washer (25), backup pad (17) bottom and curb plate (18) fixed connection, protective housing (19) have been placed on backup pad (17) top, protective housing (19) bottom and extension board (20) fixed connection, just extension board (20) and screw rod (22) through connection, screw rod (22) tip and nut (21) threaded connection, just screw rod (22) and limiting plate (23) through connection, protective housing (19) lateral wall is articulated through the hinge with sealing door (24), the opening edge and sealing washer (25) fixed connection that controller casing (9) lateral wall was seted up.

2. The pressure loss protection system of a pressure swing adsorption unit of claim 1, wherein: the controller shell (9) is located inside the protective shell (19), and two sides of the bottom of the protective shell (19) are fixedly connected with the two extension plates (20) respectively.

3. The pressure loss protection system of a pressure swing adsorption unit of claim 1, wherein: the number of screw rods (22) is four, four screw rods (22) penetrate through and are in threaded connection with the supporting plate (17) and the extending plate (20) respectively, and the screw rods (22) penetrate through and are in sliding connection with two ends of the limiting plate (23) respectively.

4. The pressure loss protection system of a pressure swing adsorption unit of claim 1, wherein: the limiting plate (23) is located on one side of the sealing door (24), the limiting plate (23) is in contact with the bottom end of the sealing door (24), and the edge of the inner wall of the sealing door (24) is in contact with a sealing ring (25).

5. The pressure loss protection system of a pressure swing adsorption unit of claim 1, wherein: the electric control valve (6) is positioned between the pressure detection air port (3) and the silencer (8), and the electromagnetic coil (7) at the top end of the electric control valve (6) is electrically connected with the control signal output wiring terminal (15) through a lead.

6. The pressure loss protection system of a pressure swing adsorption unit of claim 1, wherein: the number of the side plates (18) is two, and the two side plates (18) are respectively fixedly connected with the two sides of the bottom end of the supporting plate (17).