CN213725688U - Adsorption separation device - Google Patents

Abstract

The present disclosure discloses an adsorption separation device, including a plurality of absorption mold cores, a plurality of mold core fixing tube shells, upper air pipe and lower air pipe. And an inner cavity of each adsorption mold core is filled with an adsorbent. An adsorption mold core is arranged in the inner cavity of each mold core fixing tube shell. One end face of each mold core fixing tube shell is detachably connected with the upper air tube, and the inner cavity of each adsorption mold core is communicated with the upper air tube; the other end face of each mold core fixing tube shell is detachably connected with the lower air tube, and the inner cavity of each adsorption mold core is communicated with the lower air tube.

Description

Adsorption separation device

Technical Field

The disclosure relates to the field of gas separation, and in particular relates to an adsorption separation device.

Background

The adsorption separation device is mainly used for removing moisture in the compressed air or separating nitrogen or oxygen from the compressed air. The conventional adsorption separation device generally has a double-tower structure, two groups of adsorption cavities are arranged on the double-tower structure, and an adsorbent is filled in each adsorption cavity. The double-tower structure is a modular structure, and the double-tower structure and each adsorption cavity are of an integral structure. When the adsorbent is saturated to adsorb and needs to be changed, only the whole double-tower structure can be disassembled, or the adsorbent is taken out from each adsorption cavity by adopting special equipment, so that the change is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of inconvenience in adsorbent replacement existing in the related art, the present disclosure provides an adsorption separation device.

The present disclosure provides an adsorption separation device, comprising:

the adsorption mold comprises a plurality of adsorption mold cores, wherein an inner cavity of each adsorption mold core is filled with an adsorbent;

the adsorption mould core is arranged in the inner cavity of each mould core fixing pipe shell;

one end face of each mold core fixing tube shell is detachably connected with the upper air tube, and the inner cavity of each adsorption mold core is communicated with the upper air tube; and

the other end face of each mold core fixing tube shell is detachably connected with the lower air tube, and the inner cavity of each adsorption mold core is communicated with the lower air tube.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the utility model provides an adsorption and separation device, including a plurality of absorption mold cores, a plurality of fixed tube shells of mold core, last trachea and trachea down. And an inner cavity of each adsorption mold core is filled with an adsorbent. An adsorption mold core is arranged in the inner cavity of each mold core fixing tube shell. One end face of each mold core fixing tube shell is detachably connected with the upper air tube, and the inner cavity of each adsorption mold core is communicated with the upper air tube; the other end face of each mold core fixing tube shell is detachably connected with the lower air tube, and the inner cavity of each adsorption mold core is communicated with the lower air tube. The adsorption mold core of this disclosure realizes being connected with last trachea and tracheal dismantlement down through the fixed tube of independent mold core, consequently, when changing the adsorbent, only needs pull down last trachea, alright take out the adsorption mold core and change, it is very convenient to change to also easily install.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic perspective view of an adsorptive separation device shown in one embodiment of the present disclosure.

FIG. 2 is a front view of an adsorptive separation device shown in one embodiment of the present disclosure.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a schematic cross-sectional view of a core-securing shell of the present disclosure.

Fig. 5 is a perspective view of a core-securing shell of the present disclosure.

Fig. 6 is a sectional view taken along line B-B in fig. 2.

Fig. 7 is an exploded schematic view of the adsorption core of the present disclosure.

Fig. 8 is a schematic cross-sectional view of an adsorbent core of the present disclosure.

Fig. 9 is a sectional view taken along line C-C in fig. 2.

Fig. 10 is a schematic perspective view of an adsorptive separation device shown in another embodiment of the present disclosure.

Fig. 11 is a sectional view taken along line D-D in fig. 10.

Fig. 12 is a top view of fig. 10.

Fig. 13 is a bottom view of fig. 10.

Detailed Description

The present disclosure provides an adsorption separation apparatus which can be used to remove moisture from gas or separate oxygen and nitrogen from air, depending on the effect of an adsorbent material filled therein. For example, if the packed adsorbent is alumina, the adsorption separation device removes water from the gas; if the filled adsorbing material is a carbon molecular sieve, oxygen in the air is removed; if the adsorbent filled is fluorite, nitrogen in the air is removed. The adsorption separation device can realize different functions according to actual requirements.

The utility model provides an adsorption and separation device, including a plurality of absorption mold cores, a plurality of fixed tube shells of mold core, last trachea and trachea down. And an inner cavity of each adsorption mold core is filled with an adsorbent. An adsorption mold core is arranged in the inner cavity of each mold core fixing tube shell. One end face of each mold core fixing tube shell is detachably connected with the upper air tube, and the inner cavity of each adsorption mold core is communicated with the upper air tube; the other end face of each mold core fixing tube shell is detachably connected with the lower air tube, and the inner cavity of each adsorption mold core is communicated with the lower air tube.

The adsorption mold core of this disclosure realizes being connected with last trachea and tracheal dismantlement down through the fixed tube of independent mold core, consequently, when changing the adsorbent, only needs pull down last trachea, alright take out the adsorption mold core and change, it is very convenient to change to also easily install.

In the conventional art, a plurality of adsorption cores are generally inserted into a plurality of holes of a limiting plate, and then the adsorption cores are fixed by support pillars, support side plates and screws, so that the fixed installation of the adsorption cores is very complicated. The adsorption mold core is fixed by adopting the independent mold core fixing tube shell, the mold core fixing tube shell is detachably fixed with the upper air pipe and the lower air pipe, the installation is very convenient, materials for fixing the adsorption mold core, such as a support column, a support side plate and a screw rod, are omitted, the material cost and the production and processing cost are saved, and the adsorption mold core has wide market prospect and economic value.

In one embodiment, the core fixing pipe shells are arranged side by side or side by side, and two adjacent core fixing pipe shells are contacted and abutted with each other. The pipe shells are fixed by the mold cores side by side or are abutted against each other in parallel, so that the space can be saved, the whole adsorption and separation device is more compact in layout, and the product is miniaturized.

In one embodiment, the plurality of core fixing pipe shells are divided into two groups, the upper air pipe comprises two groups of upper air cavities, the lower air pipe comprises two groups of lower air cavities, and the adsorption cores in each group of core fixing pipe shells are respectively communicated with the group of upper air cavities and the corresponding lower air cavities. The core fixing pipe shells are divided into two groups, namely the adsorption modules in the core fixing pipe shells are divided into two groups, wherein one group is an adsorption group, the other group is a regeneration group, and the two groups of adsorption cores work alternately.

In one embodiment, the two end wall surfaces of each core fixing pipe shell are provided with mounting holes, and the core fixing pipe shells are matched with the mounting holes through adjustable fasteners to realize the fixation with the upper air pipe or the lower air pipe.

In one embodiment, each core fixing tube shell comprises a main tube wall and a plurality of mounting columns arranged on the periphery of the main tube wall, wherein each mounting column extends from one end face of the main tube wall to the other end face of the main tube wall;

the mounting holes are formed in two end faces of each mounting column.

In an embodiment, the main pipe wall includes four side walls, each of the side walls is connected in sequence through the mounting column to form a square pipe, and the mounting column connects two adjacent side walls.

In one embodiment, the upper air pipe comprises a main upper air flow pipe and edges formed by extending along two sides of the length direction of the main upper air flow pipe, and the edges of the upper air pipe are connected with the mold core fixing pipe shell; the lower air pipe comprises a main lower air flow pipe and edges formed by extending along two sides of the length direction of the main lower air flow pipe, and the edges of the lower air pipe are connected with the mold core fixing pipe shell.

In one embodiment, a limiting guide strip for guiding and limiting the adsorption mold core is arranged on the inner surface of the side wall of each mold core fixing tube shell, and the limiting guide strip extends from one end surface of the side wall to the lower end surface of the side wall.

In one embodiment, each of the core fixing tube shells is integrally formed.

In one embodiment, each adsorption mold core is cylindrical, and each adsorption mold core comprises an adsorption pipe, a pull rod, and a sealing ring and a screen plate which are arranged on end faces of two ends of the adsorption pipe;

the pull rod penetrates through the adsorption tube from one end face to the other end face and penetrates through the sealing ring and the screen plate, threads are arranged at two ends of the pull rod, and the sealing ring, the screen plate and the adsorption tube are locked through matching of nuts and the threads;

and an adsorbent is arranged in the inner cavity of the adsorption tube.

In one embodiment, one end of the upper air pipe is fixedly provided with a control module, the other end of the upper air pipe is fixedly provided with an air outlet valve seat, a valve cavity is formed in the air outlet valve seat, an air outlet one-way valve is arranged on the air outlet valve seat, an air outlet interface communicated with the valve cavity is arranged on the side surface of the air outlet valve seat, and the air outlet one-way valve is opened when the air pressure in the upper air cavity of the upper air pipe reaches a preset value, so that the upper air cavity of the upper air pipe is communicated with the valve cavity;

an air inlet valve seat and an air outlet valve seat are arranged on one end part of the lower air pipe, which is aligned with the other end of the upper air pipe, provided with the air outlet valve seat, the air inlet valve seat is arranged on the upper surface of the lower air pipe, the air outlet valve seat is arranged on the lower surface of the lower air pipe, the air inlet valve seat and the air outlet valve seat are arranged in an up-and-down alignment manner, an air inlet valve cavity is formed in the air inlet valve seat, an air inlet connector is arranged on the side surface of the air inlet valve seat, the air inlet valve cavity is communicated with the air inlet connector, an air outlet valve cavity is formed in the air outlet valve seat, an air outlet is arranged on the side surface of the air outlet valve seat, and the air outlet valve cavity is communicated with the air outlet;

the control cylinder controls the valve body in the air inlet valve seat to act so as to open or close the communicating port between the exhaust valve cavity or the air inlet valve cavity and the lower air cavity of the lower air pipe.

In an embodiment, the intake and exhaust valve includes an intake pressure plate and an exhaust pressure plate which are arranged on an expansion link of the control cylinder at intervals, the exhaust pressure plate is arranged on an inner expansion link of the expansion link, the intake pressure plate is arranged on an outer expansion link of the expansion link, the control cylinder controls the intake pressure plate to close or open a communication port between a lower air cavity of the lower air pipe and the intake valve cavity, and the control cylinder controls the exhaust pressure plate to close or open a communication port between the lower air cavity of the lower air pipe and the exhaust valve cavity.

In an embodiment, further comprising a pre-cooling assembly, the pre-cooling assembly comprising:

the evaporator tube is internally provided with a refrigerant channel and an air flow channel, and the air flow entering the evaporator tube can exchange heat with the refrigerant in the refrigerant channel to realize precooling;

the refrigerant compressor is used for compressing the high-temperature high-pressure gaseous refrigerant output by the evaporation tube into a high-temperature high-pressure liquid refrigerant;

the heat recovery unit is used for cooling the high-temperature and high-pressure liquid refrigerant output by the refrigerant compressor into a medium-temperature and high-pressure liquid refrigerant and performing heat exchange on the high-temperature and high-pressure liquid refrigerant and the separated regeneration airflow to increase the temperature of the regeneration airflow;

the condensation unit is used for condensing the medium-temperature high-pressure liquid refrigerant output by the heat recovery unit into a low-temperature high-pressure liquid refrigerant;

the refrigerant filter is used for filtering impurities in the low-temperature high-pressure liquid refrigerant output by the condensing unit; and

and the throttling device is used for depressurizing the low-temperature high-pressure liquid refrigerant filtered by the refrigerant filter into a low-temperature low-pressure liquid refrigerant, and conveying the depressurized low-temperature low-pressure liquid refrigerant to the evaporation pipe.

In an embodiment, the plurality of mandrel-fixing shells are arranged side by side in a longitudinal direction, and the precooling assembly is arranged side by side with the mandrel-fixing shells in a transverse direction.

In an embodiment, the condensing unit includes a condenser and a fan, the condenser is provided with a refrigerant pipe for flowing a refrigerant, and the fan sweeps and dissipates heat for the refrigerant pipe.

In one embodiment, the evaporation tube includes a tube shell and a refrigerant tube disposed in an inner cavity of the tube shell, the inner cavity of the refrigerant tube is a flow passage of the refrigerant, and a gas introduced into the inner cavity of the tube shell contacts with an outer wall of the refrigerant tube to perform heat exchange.

In one embodiment, the pre-cooling assembly comprises:

the refrigeration upper air pipe is positioned at the top of the evaporation pipe and is communicated with the air inlet interface and the evaporation pipe, and the refrigeration upper air pipe and the upper air pipe are arranged in parallel;

the refrigeration lower air pipe is positioned at the bottom of the evaporation pipe, and a refrigeration upper air cavity of the refrigeration lower air pipe is arranged in parallel with the lower air pipe;

the air inlet valve seat is transversely arranged on the upper surfaces of the refrigeration lower air pipe and the lower air pipe, the upper surface of the air inlet valve seat is provided with a control cylinder, an air inlet valve cavity and a valve body controlled to be opened or closed by the control cylinder are arranged in the air inlet valve seat, the air inlet valve cavity is communicated with the refrigeration lower air pipe, and when the valve body opens a communication port between the lower air pipe of the lower air pipe and the air inlet valve cavity, a refrigeration lower air cavity of the refrigeration lower air pipe is communicated with the lower air cavity of the lower air pipe.

For further explanation of the principles and construction of the present disclosure, reference will now be made in detail to the embodiments of the present disclosure, which are illustrated in the accompanying drawings.

In another embodiment, as shown in fig. 1 to 3, the adsorption separation device 100 includes a plurality of core fixing tube shells 11, an upper air tube 13 disposed at the top of the core fixing tube shells 11, and a lower air tube 14 disposed at the bottom of the core fixing tube shells 11, wherein an adsorption core 12 is disposed in each core fixing tube shell 11, and the adsorption core 12 is filled with an adsorbent. One end face of each mold core fixing tube shell 11 is detachably connected with the upper air tube 13, and the inner cavity of each adsorption mold core 12 is communicated with the upper air tube 13; the other end surface of each core fixing pipe shell 11 is detachably connected with the lower air pipe, and the inner cavity of each adsorption core 12 is communicated with the lower air pipe 14.

The core fixing pipe shells are arranged in parallel or side by side, and the adjacent core fixing pipe shells are contacted and abutted against each other, so that the space can be saved, the layout of the whole adsorption and separation device is more compact, and the product is miniaturized. The core fixing pipe shells 11 can be arranged in two groups in parallel, the upper air pipe 13 comprises two groups of upper air cavities, the lower air pipe 14 comprises two groups of lower air cavities, and the adsorption core 12 in each group of core fixing pipe shells 11 is respectively communicated with one group of upper air cavities and the corresponding lower air cavities. Correspondingly, the adsorption cores 12 are divided into two groups, one group is used for adsorption, the other group is used for regeneration, and the two groups work alternately. As shown in fig. 3, each group of the suction cores 12 corresponds to a row of core-fixing tube shells, but is not limited thereto, and the number of the suction cores 12 (or the core-fixing tube shells 11) in each group is determined according to practical applications.

As shown in fig. 4 and 5, the core fixing tube shell 11 includes a main tube wall 111 and a plurality of mounting posts 112 provided around the main tube wall 111, and each mounting post 112 extends from one end surface of the main tube wall 111 to the other end surface of the main tube wall 111. The mounting post 112 may be flush with the main tubular wall 111. The main pipe wall 111 includes four side walls 1111, and the side walls 1111 may be thin plates. Each side wall 1111 is connected to an adjacent side wall 1111 by a mounting post 112 to define a square tube shape. In other words, the four side walls 1111 and the four mounting posts 112 define the outer wall of a square tube and form a square inner cavity for inserting the suction core 12. One side surface 1121 of the mounting post 112 protrudes into the inner cavity, and the side surface 1121 is an arc-shaped surface, so that the insertion of the adsorption mold core 12 is facilitated. The two ends of the arc-shaped surface are respectively connected with the two adjacent side walls 1111. The other two side surfaces 1121, 1123 of the mounting post 112 are perpendicular surfaces, and the two side surfaces 1121, 1123 are respectively connected to one of the two adjacent side walls 1111.

Further, because the depth of the core fixing tube shell 11 is deep, in order to enable the adsorption core 12 to be accurately inserted in place, a limiting guide strip 113 for guiding and limiting the adsorption core 12 is arranged on the side wall of the inner cavity, and the limiting guide strip 113 extends from one end surface of the side wall 1111 to the other end surface of the side wall 1111. The limit guide 113 protrudes from the inner surface of the side wall 1111 in the axial direction of the core fixing case 11, and the protruding length is determined according to the diameter of the suction core 12 so as to guide the suction core 12 when it is inserted. Each side wall 1111 may be provided with one, two or more than three limiting guide strips.

Referring to fig. 6, the two end walls of each core fixing pipe shell 11 are provided with mounting holes 114, and the locking of the core fixing pipe shell 11 with the upper air pipe 13 or the lower air pipe 14 can be realized by the cooperation of the adjustable fasteners 115 and the mounting holes 114. Wherein the adjustable fastener 115 may be an adjustable screw or bolt.

As shown in fig. 1 and 6, the upper air duct 13 is provided with a main upper air flow duct 131 and rims 132 formed to extend along both sides of the length direction of the main upper air flow duct 131, corresponding to each set of upper air chambers. One end of the adjustable fastener can pass through the edge 132 to be matched with the mounting hole 114 on one end wall surface of the die fixing shell 11, and the die fixing shell 11 and the upper air pipe 13 are locked. Similarly, the lower air tube 14 is provided with a main lower air flow tube 141 and edges 142 extending along both sides of the length direction of the main lower air flow tube corresponding to each group of lower air cavities, and one end of the adjustable fastener can penetrate through the edges 142 to be matched with the mounting hole 114 on the wall surface at the other end of the core fixing tube shell 11, so as to lock the core fixing tube shell 11 and the lower air tube 14. When the suction core 12 is replaced, the adjustable fasteners 115 on the upper air pipe 13 and the lower air pipe 14 are unscrewed, the core fixing pipe shell 11 is taken out from the side part, and the suction core 12 is replaced easily. In the event of replacement, only one or several of the core holder cartridges 11 can be removed, without all the core holder cartridges 11 having to be removed. Of course, all the core fixing cases 11 may be removed and replaced as a whole.

Mounting holes 114 may be provided on the end surfaces of mounting posts 112 such that mounting posts 112 provide secure support for mounting holes 114 to an adjustable fastener.

The core fixing casing 11 may be formed by integrally extruding aluminum alloy.

Referring to fig. 7 and 8, the adsorption mold cores 12 are cylindrical, and each adsorption mold core 12 includes an adsorption tube 121, a pull rod 124, and a sealing ring 122 and a mesh plate 123 disposed at two end faces of the adsorption tube 121.

The adsorption tube 121 is filled with an adsorbent 125. The adsorption tube 121 has a circular shape, but is not limited thereto, and the adsorption tube 121 may have a square shape or another shape.

The pull rod 124 penetrates from one end surface to the other end surface of the suction pipe 121, and penetrates the seal rings 122 and the mesh plate 123 located at both ends of the suction pipe. Both ends of the pull rod 124 are provided with threads, and the sealing ring 122, the screen plate 123 and the adsorption tube 121 can be locked through the matching of the nut 126 and the threads. A packing 122 is provided between the mesh plate 123 and the end of the adsorption tube 121. The net plate 123 includes a cylindrical portion 1231, a mesh layer 1233 provided in an inner cavity of the cylindrical portion 1231, and a flange ring 1232 positioned at an end of the cylindrical portion 1231 and having an outer diameter larger than that of the cylindrical portion 1231. The seal ring 122 is fitted over the outer peripheral surface of the cylindrical portion 1231 and positioned below the flange ring 1232. As shown in fig. 6, the flange ring 1232 is inserted into the position where the upper air tube 13 (or the lower air tube 14) is locked, and the sealing ring 122 is tightly attached to the inner peripheral surface of the position where the upper air tube 13 (or the lower air tube 14) is tightly connected to the adsorption mold core 12, thereby effectively ensuring air tightness.

As shown in fig. 1, the core fixing tube shells 11 with the adsorption cores 12 inside are mutually attached to each other and spliced with the upper air tube 13 and the lower air tube 14, so that left and right side plates arranged outside the adsorption cores in the traditional technology can be omitted, the structure is simplified, the core fixing tube shells 11 are mutually independent, each adsorption core can be independently replaced, and the replacement is very convenient.

Further, a control module 15 including components such as an electromagnetic valve and a control module is fixed to one end portion, for example, the front end portion of the upper air pipe 13. The air outlet valve seat 171 is provided at the other end portion, for example, the rear end portion, of the upper air pipe 13. As shown in fig. 9, a valve cavity 1713 is formed in the air outlet valve seat 171, an air outlet one-way valve 1712 is disposed on the air outlet valve seat 171, and an air outlet port 1711 communicated with the valve cavity 1713 is disposed on a side surface of the air outlet valve seat 171. When the gas pressure of the upper gas cavity of the upper gas pipe 13 reaches a predetermined value, the gas outlet one-way valve 1712 is opened, so that the upper gas cavity of the upper gas pipe 13 is communicated with the valve cavity 1713.

The air outlet one-way valve 1712 comprises a valve body shell which is arranged on the upper air pipe 13 and communicated with the corresponding upper air cavity, a spring support 1712a which penetrates through the valve body shell and a pressure plate 1712b which is arranged on the spring support 1712 a. When the air pressure in the upper air pipe 13 reaches a preset value, the pressing plate 1712b moves towards the direction close to the valve cavity 1713 under the action of the air pressure, a communication port between an upper air cavity of the upper air pipe 13 and the valve cavity 1713 is opened, and the separated air is discharged from the air outlet port 1711; when the air pressure is lower than the preset value, the spring recovers, the pressing plate 1712b retracts, and the communication opening between the upper air cavity of the upper air pipe 13 and the valve cavity 1713 is sealed.

As shown in fig. 1 and 9, the lower air pipe 14 is provided with an air inlet valve seat 151 and an air outlet valve seat 152, and the air inlet valve seat 151 and the air outlet valve seat 152 are provided at one end of the lower air pipe 14, which is aligned with the other end of the upper air pipe 13 provided with the air outlet valve seat 171. An intake valve seat 151 is provided on the upper surface of the lower air pipe 14, and an exhaust valve seat 152 is provided on the lower surface of the lower air pipe 14. The air inlet valve seat 151 and the air outlet valve seat 152 are vertically aligned, an air inlet valve cavity 1512 is formed in the air inlet valve seat 151, an air inlet port 1511 is arranged on the side surface of the air inlet valve seat 151, the air inlet valve cavity 1512 is communicated with the air inlet port 1511, and the gas to be separated enters the adsorption separation device 100 through the air inlet port 1511. An exhaust valve cavity 1521 is formed in the exhaust valve seat 152, an exhaust port is arranged on the side surface of the exhaust valve seat 152, and the exhaust valve cavity 1521 is communicated with the exhaust port.

The intake valve seat 151 is provided with a control cylinder 153, and the control cylinder 153 controls the valve body 154 positioned in the intake valve seat 151 to move, so that the communication port between the exhaust valve cavity 1521 or the intake valve cavity 1512 and the lower air pipe is opened or closed.

The valve body 154 includes an outer shaft 1541, an inner shaft 1543 that is extendable and retractable with respect to the outer shaft 1541, an intake pressure plate 1542 provided on the outer shaft 1541, and an exhaust pressure plate 1544 provided on the inner shaft 1543. The outer shaft 1541 and the inner shaft 1543 are both connected to the output shaft of the control cylinder 153. When the control cylinder 153 controls the inner shaft 1543 to extend, the outer shaft 1541 is controlled to retract, so as to close the communication port between the exhaust valve cavity 1521 and the lower air pipe and open the communication port between the intake valve cavity 1512 and the lower air pipe 14. Conversely, when the control cylinder 153 controls the inner shaft 1543 to retract, the control cylinder 1541 controls the outer shaft 1541 to extend to close the communication port between the intake valve chamber 1512 and the lower air tube 14 and open the communication port between the exhaust valve chamber 1521 and the lower air tube. In this way, the function conversion of exhaust and intake is realized, thereby realizing the conversion of adsorption and regeneration functions.

Further, as shown in fig. 1, the adsorption separation apparatus 100 further includes a silencer 157 disposed at the exhaust port for reducing noise of the exhaust gas.

Further, the adsorption separation device 100 further includes a foot seat 156 provided at the bottom of the lower air pipe 14 for supporting the device.

The working principle of the present disclosure is illustrated by taking an adsorption separation device for removing moisture as an example: the gas to be dried enters one group of lower air cavities of the lower air pipes 14 through the air inlet port 1511, enters the adsorption mold cores 12 (namely, the first group) communicated with the lower air cavities from the group of lower air cavities for adsorption dehydration, the dehydrated air flow enters one group of upper air cavities of the upper air pipes 13 corresponding to the lower air cavities, the air flow pressure of the group of upper air cavities pushes the air outlet one-way valve 1712 on the air outlet valve seat 171 to open, and the air outlet port 1711 is communicated, so that the dried gas flows to the air using end. Most of the air flow in the upper air cavity group flows out through the air outlet port 1711, a small part of the air flow enters the other upper air cavity group of the upper air pipe 13 through a pipeline additionally arranged at the top of the upper air pipe and enters the other adsorption mold core group 12 (namely, the second group) for purging, moisture in the adsorbent is taken away, the adsorbent is desorbed and regenerated, and the regenerated air enters the other lower air cavity group of the lower air pipe 14 and is discharged through the air outlet. After the adsorption core 12 of the first group is adsorbed and saturated, the adsorption core 12 of the second group is adsorbed, and the adsorption core 12 of the first group is desorbed and regenerated, so that the two groups of adsorption cores are alternately adsorbed and regenerated.

Further, the bottom of the exhaust valve seat 152 is also provided with a drain valve seat 158, a drain cavity is arranged in the drain valve seat 158, the separated water is gathered in the drain cavity, a drain valve 1581 is arranged on the drain valve seat 158, and a user can regularly unscrew the drain valve 1522 for draining.

In another embodiment, as shown in fig. 10 and 11, the present disclosure provides an adsorption separation device 200, where the adsorption separation device 200 includes the core fixing tube shell 11, the adsorption core 12, the upper air tube 13, the lower air tube 14, the control module 16, the air exhaust valve seat 152, and in this embodiment, the pre-cooling assembly 20 is further included to pre-cool the gas to be separated, so as to improve the separation efficiency. In this embodiment, the same reference numerals are given to the same components as those of the previous embodiment.

The pre-cooling assembly 20 includes an evaporation tube 21, a refrigerant compressor 22, a heat recovery unit 29, a condensing unit 23, a refrigerant filter 24, and a throttling device 25. The evaporation tube 21 is provided with a refrigerant channel and an air flow channel, and the air flow entering the evaporation tube 21 can exchange heat with the refrigerant in the refrigerant channel to realize precooling. The refrigerant compressor 22 is configured to compress the high-temperature and high-pressure gaseous refrigerant output from the evaporation tube into a high-temperature and high-pressure liquid refrigerant. The heat recovery unit is used for cooling the high-temperature high-pressure liquid refrigerant output by the refrigerant compressor 22 into a medium-temperature high-pressure liquid refrigerant, and performing heat exchange between the high-temperature high-pressure liquid refrigerant and the separated regeneration airflow to raise the temperature of the regeneration airflow, so that the regeneration capacity of the regeneration airflow on the adsorbent is improved, and the cycle utilization rate is improved. The condensing unit 23 is configured to condense the medium-temperature high-pressure liquid refrigerant output by the heat recovery unit 29 into a low-temperature high-pressure liquid refrigerant. The refrigerant filter 24 is used for filtering impurities in the low-temperature and high-pressure liquid refrigerant output by the condensing unit 23. The throttling device 25 is configured to depressurize the low-temperature high-pressure liquid refrigerant filtered by the refrigerant filter 24 into a low-temperature low-pressure liquid refrigerant, and convey the depressurized low-temperature low-pressure liquid refrigerant to the evaporation pipe 21.

The plurality of core fixing pipe shells 11 are arranged side by side along the longitudinal direction, and the precooling assembly 20 is arranged side by side with the core fixing pipe shells 11 in the transverse direction. The pre-cooling assembly 20 may be integrated into a modular assembly that is then assembled and spliced with the sorption regeneration assembly. The adsorption regeneration component refers to the mechanism for separating gas, such as the core fixing tube shell 11, the adsorption core 12, the upper air tube 13, the lower air tube 14, the control module 16, the exhaust valve seat 152, and the like of the adsorption separation device 100 mentioned in the previous embodiment.

The evaporating pipe 21 comprises a pipe shell and a refrigerant pipe arranged in the inner cavity of the pipe shell, the inner cavity of the refrigerant pipe is a circulation channel of a refrigerant, and gas introduced into the inner cavity of the pipe shell is in contact with the outer wall of the refrigerant pipe to perform heat exchange so as to realize cooling. As shown in fig. 11, the evaporating tubes 21 are arranged in two rows in parallel with the core fixing tube 11. As shown in fig. 12, the refrigerant upper air pipe 26 is provided at the top of the evaporation pipe 21, and the refrigerant upper air pipe 26 is provided in parallel with the upper air pipe 13. In the present embodiment, the refrigerant upper air pipe 26 includes two refrigerant upper air chambers 261, and each refrigerant upper air chamber 261 communicates with a corresponding row of the evaporating tubes 21.

An air inlet filter 281 is arranged at one end of the upper refrigerating air pipe 26, an air inlet interface 2812 is arranged on the air inlet filter 281, the gas to be separated enters the air inlet filter 281 through the air inlet interface 2812 to be filtered, impurities in the gas are removed, and the filtered air flow enters the upper refrigerating air chamber 261 and flows into the evaporating pipe 21 through the upper refrigerating air chamber 261 to be refrigerated.

As shown in fig. 13, the cooling downcomer 27 is located at the bottom of the evaporation tube 21, and the cooling downcomer 27 is arranged in parallel with the downcomer 14. In the present embodiment, the refrigerant under-air pipe 27 has two refrigerant under-air chambers 271, and each refrigerant under-air chamber 271 communicates with a corresponding row of the evaporating tubes 21. The gas refrigerated through the evaporation tube 21 flows into the refrigerated lower air chamber 271.

As shown in fig. 11, an air inlet valve seat 151 is provided on the upper surface of the lower air tube 14, and an air inlet valve cavity 1512 is provided in the air inlet valve seat 151, and the air inlet valve cavity 1512 communicates with the lower cooling air cavity of the lower cooling air tube 27. When the valve body 154 of the air inlet valve seat 151 opens the communication port between the lower air cavity of the lower air tube 14 and the air inlet valve cavity 1512, the refrigerated lower air cavity 271 communicates with the lower air tube 14, and the precooled air flow enters the lower air cavity of the lower air tube 14 and finally enters the adsorption mold core 12 for adsorption separation.

In this embodiment, the air inlet port is provided at the gas inlet of the intake filter 281, unlike in the previous embodiment in which the air inlet port is provided on the intake valve seat.

In this embodiment, a gas outlet filter 282 is further included for filtering impurities in the separated gas. An air outlet 2821 is provided at an air outlet of the air outlet filter 282. The outlet port 2821 is disposed at a different position from the previous embodiment, i.e., disposed on the outlet valve seat in the previous embodiment.

The filter elements of the intake air filter 281 and the intake air filter 282 may be PP cotton filter elements, activated carbon filter elements, or the like.

After being compressed, the gaseous refrigerant is generally at a high temperature, typically about 40 ℃. The gas flow for regenerating the adsorbent is the gas after adsorption and separation, and the temperature is low, so the gas after adsorption and separation is introduced into the heat recovery unit 29 to exchange heat with the compressed refrigerant, the temperature of the regenerated gas flow can be increased, and the regeneration efficiency is further improved.

The heat recovery unit 29 includes a heat recovery housing and a refrigerant channel disposed in the heat recovery housing, the refrigerant channel is communicated with an output end of the refrigerant compressor 22, a high-temperature and high-pressure refrigerant output by the refrigerant compressor 22 flows into the refrigerant channel, a regeneration airflow is introduced into an inner cavity of the heat recovery housing, and the regeneration airflow exchanges heat with a pipe wall of the refrigerant channel.

The heat recovery unit 29 is provided in plurality, and is disposed between the upper cooling air pipe 26 and the lower cooling air pipe 27, and is not communicated with the upper cooling air pipe 26 and the lower cooling air pipe 27. The heat recovery unit 29 includes two regeneration air flow pipes 291, one end of each regeneration air flow pipe 291 communicates with an upper air chamber of the upper air pipe 13, and the other end communicates with the top of the heat recovery housing, so that air flow can be purged from the top to the bottom of the heat recovery housing, and heat exchange is performed with the high-temperature and high-pressure refrigerant in the refrigerant passage. And the air flow after heat exchange is conveyed into an upper air cavity of the regeneration group through an external pipeline, and the air flow in the upper air cavity is downwards blown to perform desorption regeneration on the adsorbent of the regeneration group.

The heat recovery unit 29 may include a spiral coolant pipe extending from the top to the bottom of the heat recovery housing, and the coolant pipe has an inner cavity as a coolant channel.

The heat recovery unit 29 may also include a metal tube and fins disposed on the outer periphery of the metal tube, and the inner cavity of the metal tube is a refrigerant channel. The metal tube and the fin may be integrally formed.

As shown in fig. 10, the condensing unit 23 includes a condenser 231 and a fan 232. The condenser 231 is provided with a refrigerant pipe for the circulation of refrigerant, and the fan 231 sweeps and dissipates the heat of the refrigerant pipe to reduce the temperature of the refrigerant.

The condenser 231 may include a circuitous copper pipe and fins welded to the copper pipe, and the cooling medium flows into the copper pipe and is cooled by the fins and the fan.

The condenser 231 may also use the low-temperature gas after adsorption and separation to cool the refrigerant, thereby recovering energy. Specifically, the condenser 231 includes a condensation housing and a condensation tube disposed in the condensation housing, a part of the cooling air flow in the upper air tube 13 can be guided to the condensation housing through a pipeline, and exchanges heat with a high-temperature refrigerant in the condensation tube, and the high-temperature air flow after heat exchange can be guided to an air using end through a pipeline.

The restriction 25 may be a capillary tube.

The above description is only for the purpose of illustrating the preferred embodiments of the present disclosure and is not to be construed as limiting the scope of the present disclosure, but rather is intended to cover all equivalent structural changes made by applying the teachings of the present disclosure to the accompanying drawings.

Claims (17)

1. An adsorption separation device, comprising:

the adsorption mold comprises a plurality of adsorption mold cores, wherein an inner cavity of each adsorption mold core is filled with an adsorbent;

the adsorption mould core is arranged in the inner cavity of each mould core fixing pipe shell;

one end face of each mold core fixing tube shell is detachably connected with the upper air tube, and the inner cavity of each adsorption mold core is communicated with the upper air tube; and

the other end face of each mold core fixing tube shell is detachably connected with the lower air tube, and the inner cavity of each adsorption mold core is communicated with the lower air tube.

2. The adsorptive separation device according to claim 1, wherein said core fixing tube shells are juxtaposed or juxtaposed, and adjacent core fixing tube shells are in contact with each other and abut against each other.

3. The adsorptive separation apparatus according to claim 2, wherein said plurality of core-holding shells are divided into two groups, said upper air duct comprises two groups of upper air chambers, said lower air duct comprises two groups of lower air chambers, and the adsorptive cores inside each group of said core-holding shells are respectively communicated with one group of upper air chambers and the corresponding lower air chambers.

4. The adsorption separation device of claim 1, wherein mounting holes are formed in the two end wall surfaces of each core fixing pipe shell, and the core fixing pipe shells are fixed to the upper air pipe or the lower air pipe through the matching of adjustable fasteners and the mounting holes.

5. The adsorptive separation device according to claim 4,

each mold core fixing tube shell comprises a main tube wall and a plurality of mounting columns arranged on the periphery of the main tube wall, wherein each mounting column extends from one end face of the main tube wall to the other end face of the main tube wall;

the mounting holes are formed in two end faces of each mounting column.

6. The adsorptive separation device of claim 5, wherein the main tube wall comprises four sidewalls, each sidewall connected to an adjacent sidewall by the mounting column to define a square tube shape.

7. The adsorptive separation device according to claim 1,

the upper air pipe comprises a main upper air flow pipe and edges formed by extending along two sides of the length direction of the main upper air flow pipe, and the edges of the upper air pipe are connected with the mold core fixing pipe shell;

the lower air pipe comprises a main lower air flow pipe and edges formed by extending along two sides of the length direction of the main lower air flow pipe, and the edges of the lower air pipe are connected with the mold core fixing pipe shell.

8. The adsorptive separation device according to claim 1, wherein the inner surface of the sidewall of each of said core holding cases is provided with a position-limiting guide strip for guiding and limiting said adsorptive core, said position-limiting guide strip extending from one end surface of said sidewall to the other end surface of said sidewall.

9. The adsorptive separation device according to any one of claims 1 to 8, wherein each of said core fixing tube shells is integrally formed.

10. The adsorption separation device of claim 1, wherein each adsorption mold core is cylindrical, and each adsorption mold core comprises an adsorption pipe, a pull rod, and a sealing ring and a screen plate which are arranged on end faces of two ends of the adsorption pipe;

the pull rod penetrates from one end face of the adsorption tube to the other end face of the adsorption tube and penetrates through the sealing ring and the screen plate which are positioned on the two end faces of the adsorption tube, threads are arranged at the two end heads of the pull rod, and the sealing ring, the screen plate and the adsorption tube are locked through the matching of nuts and the threads;

and an adsorbent is arranged in the inner cavity of the adsorption tube.

11. The adsorption separation device of claim 1, wherein one end of the upper air pipe is fixedly provided with a control module, the other end of the upper air pipe is fixedly provided with an air outlet valve seat, a valve cavity is formed in the air outlet valve seat, an air outlet one-way valve is arranged on the air outlet valve seat, an air outlet port communicated with the valve cavity is arranged on the side surface of the air outlet valve seat, and the air outlet one-way valve is opened when the air pressure in the upper air cavity of the upper air pipe reaches a preset value, so that the upper air cavity of the upper air pipe is communicated with the valve cavity;

an air inlet valve seat and an air outlet valve seat are arranged on one end part of the lower air pipe, which is aligned with the other end of the upper air pipe, provided with the air outlet valve seat, the air inlet valve seat is arranged on the upper surface of the lower air pipe, the air outlet valve seat is arranged on the lower surface of the lower air pipe, the air inlet valve seat and the air outlet valve seat are arranged in an up-and-down alignment manner, an air inlet valve cavity is formed in the air inlet valve seat, an air inlet connector is arranged on the side surface of the air inlet valve seat, the air inlet valve cavity is communicated with the air inlet connector, an air outlet valve cavity is formed in the air outlet valve seat, an air outlet is arranged on the side surface of the air outlet valve seat, and the air outlet valve cavity is communicated with the air outlet;

the control cylinder controls the valve body in the air inlet valve seat to act so as to open or close the communicating port between the exhaust valve cavity or the air inlet valve cavity and the lower air cavity of the lower air pipe.

12. The adsorptive separation device according to claim 11, wherein said valve body comprises an outer shaft, an inner shaft which is telescopic relative to said outer shaft, an air inlet pressure plate disposed on said outer shaft and an air outlet pressure plate disposed on said inner shaft, said control cylinder controls said air inlet pressure plate to close or open a communication port between said lower air chamber of said lower air tube and said air inlet valve chamber, and said control cylinder controls said air outlet pressure plate to close or open a communication port between said lower air chamber of said lower air tube and said air outlet valve chamber.

13. The adsorptive separation device of any one of claims 1 to 8, further comprising a pre-cooling assembly, said pre-cooling assembly comprising:

the evaporator tube is internally provided with a refrigerant channel and an air flow channel, and the air flow entering the evaporator tube can exchange heat with the refrigerant in the refrigerant channel to realize precooling;

the refrigerant compressor is used for compressing the high-temperature high-pressure gaseous refrigerant output by the evaporation tube into a high-temperature high-pressure liquid refrigerant;

the heat recovery unit is used for cooling the high-temperature and high-pressure liquid refrigerant output by the refrigerant compressor into a medium-temperature and high-pressure liquid refrigerant and performing heat exchange on the high-temperature and high-pressure liquid refrigerant and the separated regeneration airflow to increase the temperature of the regeneration airflow;

the condensation unit is used for condensing the medium-temperature high-pressure liquid refrigerant output by the heat recovery unit into a low-temperature high-pressure liquid refrigerant;

the refrigerant filter is used for filtering impurities in the low-temperature high-pressure liquid refrigerant output by the condensing unit; and

and the throttling device is used for depressurizing the low-temperature high-pressure liquid refrigerant filtered by the refrigerant filter into a low-temperature low-pressure liquid refrigerant, and conveying the depressurized low-temperature low-pressure liquid refrigerant to the evaporation pipe.

14. The adsorptive separation device of claim 13, wherein said plurality of mandrel holder shells are arranged side-by-side in a longitudinal direction and said pre-cooling assembly is arranged side-by-side in a transverse direction with said mandrel holder shells.

15. The adsorptive separation device of claim 13, wherein the condensing unit comprises a condenser and a fan, the condenser is provided with a refrigerant pipe for flowing a refrigerant, and the fan blows and dissipates heat from the refrigerant pipe.

16. The adsorption separation device of claim 13, wherein the evaporation tube comprises a tube shell and a refrigerant tube arranged in an inner cavity of the tube shell, the inner cavity of the refrigerant tube is a circulation passage of the refrigerant, and gas introduced into the inner cavity of the tube shell contacts with the outer wall of the refrigerant tube to exchange heat.

17. The adsorptive separation device of claim 13, wherein the pre-cooling assembly comprises:

the refrigeration upper air pipe is positioned at the top of the evaporation pipe, a refrigeration upper air cavity of the refrigeration upper air pipe is communicated with the air inlet connector and the evaporation pipe, and the refrigeration upper air pipe and the upper air pipe are arranged in parallel;

the refrigeration lower air pipe is positioned at the bottom of the evaporation pipe, and the refrigeration lower air pipe and the lower air pipe are arranged in parallel;

the air inlet valve seat is transversely arranged on the upper surfaces of the refrigeration lower air pipe and the lower air pipe, the upper surface of the air inlet valve seat is provided with a control cylinder, an air inlet valve cavity and a valve body controlled to be opened or closed by the control cylinder are arranged in the air inlet valve seat, the air inlet valve cavity is communicated with the refrigeration lower air pipe, and when the valve body opens a communication port of the lower air pipe and the air inlet valve cavity, a refrigeration lower air cavity of the refrigeration lower air pipe is communicated with a lower air cavity of the lower air pipe.

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