CN116221609A - Pressure-adjustable nitrogen multistage buffer tank and use method thereof - Google Patents
Pressure-adjustable nitrogen multistage buffer tank and use method thereof Download PDFInfo
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- CN116221609A CN116221609A CN202310089114.7A CN202310089114A CN116221609A CN 116221609 A CN116221609 A CN 116221609A CN 202310089114 A CN202310089114 A CN 202310089114A CN 116221609 A CN116221609 A CN 116221609A
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- buffer tank
- tank body
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 234
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 183
- 238000009434 installation Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention provides a nitrogen multistage buffer tank with adjustable pressure and a use method thereof, and belongs to the technical field of buffer tanks. The intelligent pressure regulating device comprises a buffer tank body, a plurality of pressure regulating tanks, an intelligent pressure regulating assembly and a constant pressure buffer assembly, wherein the bottom end of the buffer tank body is provided with an air inlet, the upper end of the buffer tank body is provided with an air outlet, the pressure regulating tanks are circumferentially distributed along the outer wall of the buffer tank body, the intelligent pressure regulating assembly is arranged in the pressure regulating tanks, and the constant pressure buffer assembly is connected with the buffer tank body; according to the nitrogen buffer tank, the air inlet of the nitrogen buffer tank is connected with the constant-pressure buffer assembly, after nitrogen enters the constant-pressure regulating box, the internal volume of the lower constant-pressure cavity is changed through the up-down movement of the constant-pressure regulating plate, so that the purpose of constant-pressure buffering of the nitrogen is achieved, the plurality of pressure regulating tanks are arranged on the periphery of the buffer tank body, when the pressure in the buffer tank body is overlarge, the nitrogen entering the buffer tank is subjected to constant-pressure regulation through the arrangement of the pressure reducing regulating piece and the pressure increasing regulating piece on the basis of primary pressure regulation of the constant-pressure buffer assembly, the nitrogen is stably input all the time, and the buffer effect is improved.
Description
Technical Field
The invention belongs to the technical field of buffer tanks, and particularly relates to a nitrogen multistage buffer tank with adjustable pressure and a use method thereof.
Background
The buffer tank is mainly used for buffering pressure fluctuation of the system in various systems, so that the system works more stably. The buffer performance of the buffer tank is mainly realized through compressed air in the compression tank, the buffer tank is provided with a diaphragm type buffer tank and a diaphragm type buffer tank, the buffer tank is widely applied to things such as water supply equipment, a central air conditioning system and the like, the buffer tank is important auxiliary equipment of a reciprocating pump and is used for reducing flow non-uniformity in a pipeline, the buffer tank is divided into two types of a suction buffer tank and a discharge buffer tank, the suction buffer tank is used for reducing flow non-uniformity of the suction pipeline, reducing inertial loss and improving suction performance of the pump, the discharge buffer tank is used for reducing flow non-uniformity of the discharge pipeline and avoiding generation of excessive flow, so as to adapt to the requirements of a process flow, the buffer tank is provided with two types of direct contact type and diaphragm type, nitrogen is used as one type of inert gas, the nitrogen is mixed gas of different purity nitrogen gas produced by a nitrogen production machine, the nitrogen purity produced at the beginning and ending stages of the nitrogen production process is high, most nitrogen production nitrogen is provided with the nitrogen buffer tank in order to prevent nitrogen purity fluctuation, the nitrogen purity can be output in one state, and the nitrogen purity can be stably output in the nitrogen flow when the PSA technology is used for producing large flow nitrogen, or the nitrogen flow can be stably generated, and the nitrogen flow can be stably obtained after the nitrogen flow is stably and the nitrogen flow is stably used in the surge.
When the existing nitrogen buffer tank is used, the pressure multistage regulating function is not achieved, so that nitrogen cannot stably enter the tank body, the buffering effect of the nitrogen is greatly reduced, and therefore the pressure-adjustable nitrogen multistage buffer tank is needed.
Disclosure of Invention
Aiming at the problems, the invention provides a pressure-adjustable nitrogen multistage buffer tank and a use method thereof.
The technical scheme of the invention is as follows: the pressure-adjustable nitrogen multistage buffer tank comprises a buffer tank body, a plurality of pressure-adjusting tanks, an intelligent pressure-adjusting assembly and a constant-pressure buffer assembly, wherein the bottom end of the buffer tank body is provided with an air inlet, the upper end of the buffer tank body is provided with an air outlet, the pressure-adjusting tanks are circumferentially distributed along the outer wall of the buffer tank body, the intelligent pressure-adjusting assembly is arranged in the pressure-adjusting tanks, and the constant-pressure buffer assembly is connected with the buffer tank body;
the side wall of the buffer tank body is provided with a communication port corresponding to the position of each pressure regulating tank, the upper end of each pressure regulating tank is provided with an inflation port, each inflation port is connected with an air pump through a connecting pipe, and the joint is provided with a pressure gauge;
the intelligent pressure regulating assembly comprises pressure reducing regulating pieces arranged on the inner wall of the buffer tank body and corresponding to the positions of each pressure regulating tank, and pressure increasing regulating pieces arranged in each pressure regulating tank, wherein each pressure reducing regulating piece comprises a regulating port arranged on the inner wall of the buffer tank body, a first regulating mounting box arranged on the inner wall of the buffer tank body and positioned at the regulating port, a second regulating mounting box clamped at the center of the first regulating mounting box and communicated with each other at the left side and the right side, two mutually spliced regulating plates arranged in the second regulating mounting box and positioned at the regulating port, a pushing baffle connected with the two regulating plates through a spring extruding rod, elastic compression sleeves are arranged on the upper side and the lower side of the second regulating mounting box and positioned in the first regulating mounting box, a plurality of pressure reducing holes are uniformly formed in the outer wall of the elastic compression sleeve, the two regulating plates are respectively connected with the corresponding elastic compression sleeves through connecting rods, and the two regulating plates can respectively slide up and down along the inner wall of the second regulating mounting box to increase pressure;
the constant pressure buffer assembly comprises a constant pressure regulating box connected with the air inlet, U-shaped frames symmetrically distributed on the left side and the right side of the inside of the constant pressure regulating box, and constant pressure regulating plates which are arranged in the constant pressure regulating box and are capable of sliding up and down along the inner portion of the U-shaped frames, wherein the constant pressure regulating plates divide the inner portion of the constant pressure regulating box into an upper mounting cavity and a lower constant pressure cavity, the upper end and the lower end of each constant pressure regulating plate are respectively provided with an upper trigger block and a lower trigger block, and the upper end and the lower end of each U-shaped frame are provided with an upper trigger button and a lower trigger button.
Further, the communication port is provided with a unidirectional air inlet assembly, the unidirectional air inlet assembly comprises a plurality of plugging valve clacks arranged along the inner wall of the communication port, sealing rubber strips are arranged between every two adjacent plugging valve clacks, one end of each plugging valve clack is hinged to the inner wall of the communication port, and the other end of each plugging valve clack is gathered close to the side of the buffer tank body.
Description: through setting each shutoff valve clack to the structure of one-way ventilation, when guaranteeing that the internal nitrogen gas of pressure regulating jar gets into the buffer tank, reach the effect of pressure boost, improve the reliability of device operation.
Further, the pressure regulating jar is inside evenly to be equipped with a plurality of spacing retainer plates from top to bottom, the pressure boost gasbag passes each along vertical direction spacing retainer plate, and spacing retainer plate inner wall is equipped with soft rubber ring, and the pressure boost gasbag upper end is connected with the inflation inlet through the breather pipe, and the pressure boost gasbag lower extreme is connected with the pressure regulating jar inner wall through the spliced pole.
Description: the stability of the pressurizing air bag during installation is improved through the limiting fixing ring, the pressurizing air bag is prevented from being connected with an inflation port loose under the impact of air pressure when the pressurizing air bag is inflated or deflated, the pressurizing air bag is caused to fall, and the operation reliability of the device is improved.
Further, the left and right sides is equipped with the sliding tray in the constant voltage control box, just the sliding tray bottom be equipped with the spring post that constant voltage control board bottom is connected, constant voltage control board and sliding tray sliding connection, go up the installation intracavity and be located constant voltage control board directly over the end department be connected with the U type mounting disc of falling, locate electromagnetic chuck in the U type mounting disc of falling, locate electric telescopic handle between U type mounting disc and the installation chamber, locate the joint of constant voltage control board upper end place the dish, can place in metal gravity piece in the dish is placed in the joint.
Description: the nitrogen enters the constant pressure regulating box and flows out from the lower constant pressure cavity, in the process that the nitrogen flows through the lower constant pressure cavity, when the pressure of the nitrogen is overlarge, the constant pressure regulating plate can slide upwards in the sliding groove under the action of air pressure, and the spring column is stretched.
Further, a plurality of buffer screen plates are uniformly arranged in the buffer tank body from top to bottom, and each buffer screen plate is of a detachable structure.
Description: carry out secondary buffering to nitrogen gas through the buffering otter board, greatly increased the buffering effect, and the buffering otter board can be dismantled, conveniently installs and dismantles it.
Further, the air inlet department is connected with the gas filtration purification subassembly, the gas filtration purification subassembly includes and is connected and the lateral wall is equipped with the filtration installation case of air current entry through the connecting pipe with the air inlet, locates three link up the erection mouth of filtration installation case upper end, peg graft in link up in the erection mouth and the upper end is equipped with the filter that is used for shutoff to link up the shutoff apron of erection mouth, three the filter is filter screen plate, moisture absorption filter screen plate and drying net respectively.
Description: through filtering, moisture absorption filter screen plate and drying net to nitrogen gas respectively, moisture absorption and drying treatment, avoid the impurity in the nitrogen gas to get into the buffer tank body, increase the clean degree of difficulty of the buffer tank body, simultaneously, can also make the buffer tank body keep dry, slow down the filtration pressure of follow-up filter assembly, this filter sets up through the mode of pegging graft, has increased the convenience of dismantlement and installation.
Furthermore, the upper end of the plugging cover plate is provided with a drawing handle, and the outer wall of the plugging cover plate is provided with a sealing ring.
Description: through setting up the setting of pull handle, make things convenient for the extraction of filter, increased the convenience of dismantling and installation, through setting up the sealing washer, increase the leakproofness of each filter installation, avoid nitrogen gas to reveal, improve device operational reliability.
Further, still include the fixed support frame, the fixed support frame include the joint in the main retainer plate of buffer tank body bottom, with main retainer plate is connected and with the vice retainer plate of pressure regulating jar one-to-one, locate main retainer plate with a plurality of supporting legs of vice retainer plate bottom, main retainer plate with interconnect between the vice retainer plate.
Description: the buffer tank body and the pressure regulating tank are supported by the fixed supporting frame, so that the installation stability of the buffer tank is improved.
The invention also discloses a use method of the pressure-adjustable nitrogen multistage buffer tank, which comprises the following steps:
s1, firstly, nitrogen enters a filter mounting box through an air flow inlet, and sequentially passes through a filter screen plate, a moisture absorption filter screen plate and a drying screen to be filtered, moisture absorbed and dried respectively, and the processed nitrogen flows into a constant pressure regulating box through a connecting pipe;
s2, nitrogen flows out through the lower constant pressure cavity after entering the constant pressure regulating box, when the pressure of the nitrogen is overlarge, the constant pressure regulating plate can slide upwards in the sliding groove and enable the spring column to be stretched under the action of air pressure, when the upper trigger block is in contact with the upper trigger button, namely the pressure in the lower constant pressure cavity is overlarge, at the moment, the pressure release valve is opened to release pressure while the air flow inlet is closed, meanwhile, the inverted U-shaped mounting disc moves downwards under the extending action of the electric telescopic rod and is powered off to the electromagnetic chuck, the metal gravity block falls into the clamping placing disc, the constant pressure regulating plate is accelerated to move downwards until the upper trigger block is separated from the upper trigger button, when the pressure of the nitrogen is overlarge, the constant pressure regulating plate can slide downwards in the sliding groove and enable the spring column to be compressed under the action of the air pressure, and when the lower trigger block is in contact with the lower trigger button, namely the pressure in the lower constant pressure cavity is overlarge, at the moment, the flow rate of the nitrogen is increased;
s3, nitrogen flows out of the constant pressure regulating box, then enters the bottom end of the inside of the buffer tank body through the air inlet, when the nitrogen flows through the buffer screen plates from bottom to top, the nitrogen is buffered through the air outlet, along with the aggregation of the nitrogen in the buffer tank body and limited discharge rate, when the pressure in the buffer tank body is overlarge, the nitrogen enters the second regulating installation box, when the pressure of the nitrogen is enough and the pushing baffle moves towards the position close to the regulating port, at the moment, the two spring extrusion rods are compressed to push the two regulating plates to be away from each other, the regulating port is opened, the nitrogen enters each regulating tank through the regulating port to release pressure, and as the two regulating plates are away from each other, the connecting rod can stretch the elastic compression sleeve, part of the nitrogen flows into the buffer tank body again through the pressure reducing holes, so that the nitrogen outflow rate is prevented from being too fast;
and S4, finally, when the internal pressure of the buffer tank is too small, starting an air pump, pumping external air to the pressurizing air bags by using the air pump, increasing the air pressure in each pressure regulating tank along with the inflation of the pressurizing air bags, flushing each plugging valve clack through each communication port by nitrogen, and entering the buffer tank to supplement the pressure until the nitrogen in the buffer tank is stably output through the air outlet.
Compared with the prior art, the invention has the beneficial effects that:
(1) The air inlet of the nitrogen buffer tank is connected with the constant pressure buffer assembly, after nitrogen enters the constant pressure regulating box, the internal volume of the lower constant pressure cavity is changed through the up-down movement of the constant pressure regulating plate, so that the purpose of constant pressure buffer of the nitrogen is achieved, the pressure fluctuation of air is reduced, the buffer effect is improved, meanwhile, the movement of the constant pressure regulating plate can be accelerated through the action of the metal gravity block, the pressure release rate in the lower constant pressure cavity is greatly improved, and the regulating time is shortened;
(2) According to the invention, the periphery of the buffer tank body is provided with the plurality of pressure regulating tanks, when the pressure in the buffer tank body is overlarge, on the basis of the primary pressure regulation of the constant pressure buffer assembly, the pushing baffle plate moves towards the position close to the regulating port under the action of the air pressure of the nitrogen, at the moment, the two spring extrusion rods are compressed to push the two regulating plates to be away from each other, the regulating port is opened, the nitrogen enters each pressure regulating tank through the regulating port to be decompressed, so that the pressure in the buffer tank body is regulated, conversely, when the pressure in the buffer tank body is overlarge, the air pump is started, the air pump is utilized to pump the external air to the pressurizing air bag, the air pressure in each pressure regulating tank is increased along with the inflation of the pressurizing air bag, the nitrogen is flushed through each valve clack and each sealing plug, and enters the buffer tank body until the nitrogen in the buffer tank body is stably output through the air outlet, the process is performed twice pressure regulation on the nitrogen entering the pressure regulating tank body, and the aim is to ensure that the nitrogen flow stably flows into the buffer tank body, and the opening and closing of the nitrogen flow is controlled in comparison with the opening and closing of the valve, and constant pressure of the air flow can be always kept;
(3) According to the buffer tank, under the combined action of the pressure reducing adjusting piece, the pressure increasing adjusting piece and the constant-pressure buffer assembly, constant-pressure adjustment is carried out on nitrogen entering the buffer tank, multistage buffering is carried out, stable nitrogen input is guaranteed all the time, and the buffering effect is improved.
Drawings
FIG. 1 is a schematic view of the external overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 1;
FIG. 4 is a top view of the stop collar of the present invention;
fig. 5 is a schematic view of the internal structure of the constant pressure regulating tank of the present invention;
FIG. 6 is a schematic diagram of the structure of the plugging flap of the present invention when open;
fig. 7 is a schematic structural view of the closure flap of the present invention when gathered.
Wherein,, 1-buffer tank body, 10-air inlet, 11-air outlet, 12-communication port, 13-one-way air inlet component, 130-shutoff valve clack, 131-sealing rubber strip, 14-buffer screen plate, 15-gas filtering and purifying component, 150-filtering installation box, 1500-air inlet, 151-through installation port, 152-filter plate, 1520-shutoff cover plate, 1521-filter screen plate, 1522-moisture absorption filter screen plate, 1523-drying screen, 1524-drawing handle, 1525-sealing ring, 2-pressure regulating tank, 20-charging port, 21-sucking pump, 210-pressure meter, 22-limiting fixed ring, 220-soft rubber ring, 3-intelligent pressure regulating component, 30-regulating port, 31-first regulating installation box 32-second adjusting mounting box, 320-elastic compression sleeve, 321-depressurization hole, 320-adjusting plate, 330-connecting rod, 34-pushing baffle, 340-spring extrusion rod, 35-pressurizing air bag, 350-connecting column, 4-constant pressure buffer component, 40-constant pressure adjusting box, 400-upper mounting cavity, 401-lower constant pressure cavity, 402-inverted U-shaped mounting disc, 403-electromagnetic chuck, 404-electric telescopic rod, 405-clamping placing disc, 406-metal gravity block, 41-U-shaped frame, 410-upper trigger button, 411-lower trigger button, 42-constant pressure adjusting plate, 420-upper trigger block, 421-lower trigger block, 43-sliding groove, 430-spring column, 5-fixed supporting frame, 50-main fixing ring, 51-auxiliary fixing ring and 52-supporting leg.
Detailed Description
The present invention will be described in detail with reference to examples.
Example 1
As shown in fig. 1 and 2, the pressure-adjustable nitrogen multistage buffer tank comprises a buffer tank body 1, 4 pressure-adjusting tanks 2, an intelligent pressure-adjusting assembly 3 and a constant-pressure buffer assembly 4, wherein the bottom end of the buffer tank body 1 is provided with an air inlet 10, the upper end of the buffer tank body is provided with an air outlet 11, the 4 pressure-adjusting tanks 2 are circumferentially distributed along the outer wall of the buffer tank body 1, the intelligent pressure-adjusting assembly 3 is arranged in the pressure-adjusting tank 2, and the constant-pressure buffer assembly 4 is connected with the buffer tank body 1;
the side wall of the buffer tank body 1 is provided with a communication port 12 corresponding to the position of each pressure regulating tank 2, the upper end of each pressure regulating tank 2 is provided with an inflation port 20, each inflation port 20 is connected with an air pump 21 through a connecting pipe, and the connecting position is provided with a pressure gauge 210;
as shown in fig. 3, the intelligent pressure regulating assembly 3 comprises a pressure reducing regulating piece arranged on the inner wall of the buffer tank body 1 and corresponding to the position of each pressure regulating tank 2, and a pressurizing regulating piece arranged in each pressure regulating tank 2, wherein the pressure reducing regulating piece comprises a regulating port 30 arranged on the inner wall of the buffer tank body 1, a first regulating mounting box 31 arranged on the inner wall of the buffer tank body 1 and positioned at the regulating port 30, a second regulating mounting box 32 clamped at the center of the first regulating mounting box 31 and communicated with each other on the left side and the right side, two mutually spliced regulating plates 33 arranged in the second regulating mounting box 32 and positioned at the regulating port 30, pushing baffle plates 34 connected with the two regulating plates 33 through spring squeezing rods 340, the upper side and the lower side of the second regulating mounting box 32 and positioned in the first regulating mounting box 31 are respectively provided with elastic compression sleeves 320, the outer walls of the elastic compression sleeves 320 are uniformly provided with 20 pressure reducing holes 321, the two regulating plates 33 are respectively connected with the corresponding elastic compression sleeves 320 through connecting rods 330, and the two regulating plates 33 can respectively slide up and down along the inner wall of the second regulating mounting box 32, and the regulating piece comprises a pressurizing plate 33 connected with an airbag 35 arranged in the pressure regulating tank 2 and connected with the inflating port 20;
as shown in fig. 2 and 5, the constant pressure buffer assembly 4 comprises a constant pressure regulating box 40 connected with the air inlet 10, a U-shaped frame 41 symmetrically distributed on the left and right sides of the inside of the constant pressure regulating box 40, and a constant pressure regulating plate 42 arranged in the constant pressure regulating box 40 and having side walls capable of sliding up and down along the inside of the U-shaped frame 41, wherein the constant pressure regulating plate 42 divides the inside of the constant pressure regulating box 40 into an upper mounting cavity 400 and a lower constant pressure cavity 401, an upper trigger block 420 and a lower trigger block 421 are respectively arranged at the upper and lower ends of the constant pressure regulating plate 42, an upper trigger button 410 and a lower trigger button 411 are arranged at the upper and lower ends of the U-shaped frame 41, and a pressure release valve 4010 is arranged on the side wall of the lower constant pressure cavity 401;
a sliding groove 43 is arranged in the U-shaped frame 41, a spring column 430 connected with the bottom end of the constant pressure regulating plate 42 is arranged at the bottom end of the sliding groove 43, the constant pressure regulating plate 42 is in sliding connection with the sliding groove 43, an inverted U-shaped mounting plate 402, an electromagnetic chuck 403 arranged in the inverted U-shaped mounting plate 402, an electric telescopic rod 404 arranged between the inverted U-shaped mounting plate 402 and the mounting cavity 400, a clamping placing plate 405 arranged at the upper end of the constant pressure regulating plate 42, and a metal gravity block 406 which can be placed in the clamping placing plate 405 are connected in the upper mounting cavity 400 and are positioned at the right upper end of the constant pressure regulating plate 42;
two buffer screen plates 14 are uniformly arranged in the buffer tank body 1 from top to bottom, and each buffer screen plate 14 is of a detachable structure;
the pump 21, the pressure gauge 210, the upper trigger button 410, the lower trigger button 411, the pressure release valve 4010, the electromagnetic chuck 403, and the electric telescopic rod 404 are all related art.
Example 2
This embodiment differs from embodiment 1 in that:
as shown in fig. 6 and 7, the communication port 12 is provided with a unidirectional air inlet assembly 13, the unidirectional air inlet assembly 13 comprises 4 plugging valve clacks 130 arranged along the inner wall of the communication port 12, sealing rubber strips 131 are arranged between two adjacent plugging valve clacks 130, one end of each plugging valve clack 130 is hinged with the inner wall of the communication port 12, and the other end is gathered towards the side close to the buffer tank body 1.
Example 3
This embodiment differs from embodiment 2 in that:
as shown in fig. 2 and 4, two limiting fixing rings 22 are uniformly arranged inside the pressure regulating tank 2 from top to bottom, the pressurizing air bag 35 penetrates through each limiting fixing ring 22 along the vertical direction, soft rubber rings 220 are arranged on the inner walls of the limiting fixing rings 22, the upper end of the pressurizing air bag 35 is connected with the air charging port 20 through an air pipe, and the lower end of the pressurizing air bag 35 is connected with the inner wall of the pressure regulating tank 2 through a connecting column 350.
Example 4
This embodiment differs from embodiment 3 in that:
as shown in fig. 1 and 2, a gas filtering and purifying assembly 15 is connected to a gas inlet 10, the gas filtering and purifying assembly 15 comprises a filtering installation box 150 connected to the gas inlet 10 through a connecting pipe, and provided with an air flow inlet 1500 on the side wall, three through installation openings 151 arranged at the upper end of the filtering installation box 150, and a filtering plate 152 inserted into the through installation openings 151 and provided with a blocking cover plate 1520 at the upper end for blocking the through installation openings 151, wherein the three filtering plates 152 are respectively a filtering screen 1521, a moisture absorption filtering screen 1522 and a drying screen 1523;
the upper end of the plugging cover plate 1520 is provided with a drawing handle 1524, and the outer wall of the plugging cover plate 1520 is provided with a sealing ring 1525;
wherein, filter screen 1521, hygroscopic filter screen 1522 and drying screen 1523 are of prior art.
Example 5
This embodiment differs from embodiment 4 in that:
as shown in fig. 1, the buffer tank further comprises a fixing support frame 5, wherein the fixing support frame 5 comprises a main fixing ring 50 clamped at the bottom end of the buffer tank body 1, auxiliary fixing rings 51 connected with the main fixing ring 50 and corresponding to the pressure regulating tank 2 one by one, and a plurality of supporting legs 52 arranged at the bottom ends of the main fixing ring 50 and the auxiliary fixing rings 51, and the main fixing ring 50 and the auxiliary fixing rings 51 are connected with each other.
Example 6
This embodiment differs from embodiment 5 in that:
embodiment 6 discloses a method for using a pressure-adjustable nitrogen multistage buffer tank, which comprises the following steps:
s1, firstly, nitrogen enters the filter mounting box 150 through the air inlet 1500, and sequentially passes through the filter screen plate 1521, the moisture absorption filter screen plate 1522 and the drying screen 1523 to be filtered, moisture absorbed and dried respectively, and the processed nitrogen flows into the constant pressure regulating box 40 through the connecting pipe;
s2, secondly, nitrogen enters the constant pressure regulating box 40 and flows out through the lower constant pressure cavity 401, when the pressure of the nitrogen is overlarge, the constant pressure regulating plate 42 enables the constant pressure regulating plate 42 to slide upwards in the sliding groove 43 and enable the spring column 430 to be stretched under the action of air pressure in the process of flowing through the lower constant pressure cavity 401, when the upper trigger block 420 is in contact with the upper trigger button 410, namely, the pressure in the lower constant pressure cavity 401 is overlarge, at the moment, the air flow inlet 1500 is closed, the pressure release valve 4010 is opened for pressure release, meanwhile, the inverted U-shaped mounting plate 402 moves downwards under the extending action of the electric telescopic rod 404 and is powered off the electromagnetic chuck 403, the metal gravity block 406 falls into the clamping placing plate 405, the constant pressure regulating plate 42 moves downwards until the upper trigger block 420 is separated from the upper trigger button 410, when the pressure of the nitrogen is overlarge, the constant pressure regulating plate 42 enables the constant pressure regulating plate 42 to slide downwards in the sliding groove 43 and enable the spring column 430 to be compressed under the action of the air pressure, and when the pressure of the lower trigger block 421 is in contact with the lower trigger button 411, namely, the pressure in the lower constant pressure cavity 401 is overlarge, and the flow speed of the nitrogen is increased;
s3, after nitrogen flows out of the constant pressure regulating box 40, nitrogen enters the bottom end inside the buffer tank body 1 through the air inlet 10, when the nitrogen flows from bottom to top, the nitrogen is buffered through each buffer screen 14 and flows out through the air outlet 11, as the nitrogen gathers in the buffer tank body 1 and has limited discharge rate, when the internal pressure of the buffer tank body 1 is overlarge, the nitrogen enters the second regulating mounting box 32, when the pressure of the nitrogen is enough and the pushing baffle 34 moves towards the position close to the regulating port 30, at the moment, the two spring extruding rods 340 are compressed to push the two regulating plates 33 to be far away from each other, the regulating port 30 is opened, the nitrogen enters each pressure regulating tank 2 through the regulating port 30 to be decompressed, and as the two regulating plates 33 are far away from each other, the connecting rod 330 can prop the elastic compression sleeve 320, part of the nitrogen flows into the buffer tank body 1 again through the decompression hole 321, and the nitrogen outflow rate is prevented from being too fast;
and S4, finally, when the internal pressure of the buffer tank body 1 is too small, starting the air pump 21, pumping external air to the pressurizing air bags 35 by utilizing the air pump 21, increasing the air pressure in each pressure regulating tank 2 along with the inflation of the pressurizing air bags 35, flushing the sealing valve clacks 130 through each communication port 12 by nitrogen, and entering the buffer tank body 1 to supplement the pressure until the nitrogen in the buffer tank body 1 is stably output through the air outlet 11.
Claims (9)
1. The nitrogen multistage buffer tank with the adjustable pressure is characterized by comprising a buffer tank body (1) with an air inlet (10) at the bottom end and an air outlet (11) at the upper end, a plurality of pressure regulating tanks (2) circumferentially distributed along the outer wall of the buffer tank body (1), an intelligent pressure regulating assembly (3) arranged in the pressure regulating tanks (2) and a constant pressure buffer assembly (4) connected with the buffer tank body (1);
the side wall of the buffer tank body (1) is provided with a communication port (12) corresponding to the position of each pressure regulating tank (2), the upper end of each pressure regulating tank (2) is provided with an inflation port (20), each inflation port (20) is connected with an air pump (21) through a connecting pipe, and the joint is provided with a pressure gauge (210);
the intelligent pressure regulating assembly (3) comprises a pressure reducing regulating part arranged on the inner wall of the buffer tank body (1) and corresponding to the position of each pressure regulating tank (2), a pressurizing regulating part arranged in each pressure regulating tank (2), a regulating opening (30) arranged on the inner wall of the buffer tank body (1), a first regulating mounting box (31) arranged on the inner wall of the buffer tank body (1) and positioned at the regulating opening (30), a second regulating mounting box (32) clamped at the center of the first regulating mounting box (31) and communicated with each other at the left side and the right side, two mutually spliced regulating plates (33) arranged in the second regulating mounting box (32) and positioned at the regulating opening (30), a pushing baffle plate (34) connected with the two regulating plates (33) through a spring extruding rod (340), a plurality of pressure reducing holes (321) uniformly arranged on the outer wall of the elastic compressing box (320) at the upper side and the lower side of the second regulating mounting box (32) and positioned in the first regulating mounting box (31), two mutually spliced regulating plates (33) and two mutually compressed and connected with the two regulating plates (33) respectively along the two regulating plates (33) respectively, the pressurizing adjusting piece comprises a pressurizing air bag (35) which is arranged in the pressure adjusting tank (2) and is connected with the air charging port (20);
the constant pressure buffer assembly (4) comprises a constant pressure regulating box (40) connected with the air inlet (10), and U-shaped frames (41) symmetrically distributed on the left side and the right side of the inside of the constant pressure regulating box (40), and constant pressure regulating plates (42) which are arranged in the constant pressure regulating box (40) and the side walls of which can slide up and down inside the U-shaped frames (41), wherein the constant pressure regulating plates (42) divide the inside of the constant pressure regulating box (40) into an upper mounting cavity (400) and a lower constant pressure cavity (401), the upper end and the lower end of each constant pressure regulating plate (42) are respectively provided with an upper trigger block (420) and a lower trigger block (421), and the upper end and the lower end of each U-shaped frame (41) are provided with an upper trigger button (410) and a lower trigger button (411), and the side walls of each lower constant pressure cavity (401) are provided with pressure relief valves (4010).
2. The nitrogen multistage buffer tank with adjustable pressure according to claim 1, wherein the communication port (12) is provided with a one-way air inlet component (13), the one-way air inlet component (13) comprises a plurality of plugging valve clacks (130) arranged along the inner wall of the communication port (12), sealing rubber strips (131) are arranged between every two adjacent plugging valve clacks (130), one end of each plugging valve clack (130) is hinged with the inner wall of the communication port (12), and the other end of each plugging valve clack is gathered towards the side close to the buffer tank body (1).
3. The nitrogen multistage buffer tank with adjustable pressure according to claim 1, wherein a plurality of limit fixing rings (22) are uniformly arranged inside the pressure regulating tank (2) from top to bottom, the pressurizing air bags (35) penetrate through the limit fixing rings (22) along the vertical direction, soft rubber rings (220) are arranged on the inner walls of the limit fixing rings (22), the upper ends of the pressurizing air bags (35) are connected with the air charging ports (20) through ventilating pipes, and the lower ends of the pressurizing air bags (35) are connected with the inner walls of the pressure regulating tank (2) through connecting columns (350).
4. The nitrogen multistage buffer tank with adjustable pressure according to claim 1, wherein a sliding groove (43) is formed in the U-shaped frame (41), a spring column (430) connected with the bottom end of the constant pressure adjusting plate (42) is arranged at the bottom end of the sliding groove (43), the constant pressure adjusting plate (42) is slidably connected with the sliding groove (43), an inverted U-shaped mounting plate (402) is connected in the upper mounting cavity (400) and positioned at the position right above the constant pressure adjusting plate (42), an electromagnetic sucker (403) arranged in the inverted U-shaped mounting plate (402), an electric telescopic rod (404) arranged between the inverted U-shaped mounting plate (402) and the mounting cavity (400), a clamping placing plate (405) arranged at the upper end of the constant pressure adjusting plate (42), and a metal gravity block (406) capable of being placed in the clamping placing plate (405).
5. The nitrogen multistage buffer tank with adjustable pressure according to claim 1, wherein a plurality of buffer screen plates (14) are uniformly arranged in the buffer tank body (1) from top to bottom, and each buffer screen plate (14) is of a detachable structure.
6. The nitrogen multistage buffer tank with adjustable pressure according to claim 1, wherein the gas inlet (10) is connected with a gas filtering and purifying assembly (15), the gas filtering and purifying assembly (15) comprises a filtering installation box (150) connected with the gas inlet (10) through a connecting pipe and provided with a gas flow inlet (1500) on the side wall, three through installation openings (151) arranged at the upper end of the filtering installation box (150), a filter plate (152) inserted into the through installation openings (151) and provided with a plugging cover plate (1520) for plugging the through installation openings (151) at the upper end, and the three filter plates (152) are respectively a filter plate (1521), a moisture absorption filter plate (1522) and a drying net (1523).
7. The pressure-adjustable nitrogen multistage buffer tank according to claim 6, wherein a drawing handle (1524) is arranged at the upper end of the plugging cover plate (1520), and a sealing ring (1525) is arranged on the outer wall of the plugging cover plate (1520).
8. The nitrogen multistage buffer tank with adjustable pressure according to claim 1, further comprising a fixed supporting frame (5), wherein the fixed supporting frame (5) comprises a main fixing ring (50) clamped at the bottom end of the buffer tank body (1), auxiliary fixing rings (51) connected with the main fixing rings (50) and in one-to-one correspondence with the pressure regulating tank (2), and a plurality of supporting legs (52) arranged at the bottom ends of the main fixing rings (50) and the auxiliary fixing rings (51), and the main fixing rings (50) and the auxiliary fixing rings (51) are connected with each other.
9. The method of using a pressure-adjustable nitrogen multistage surge tank according to claims 1-8, comprising the steps of:
s1, firstly, nitrogen enters a filter mounting box (150) through an air flow inlet (1500), and sequentially passes through a filter screen plate (1521), a moisture absorption filter screen plate (1522) and a drying screen (1523), the nitrogen is filtered, absorbed in moisture and dried respectively, and the processed nitrogen flows into a constant pressure regulating box (40) through a connecting pipe;
s2, secondly, nitrogen flows out through a lower constant pressure cavity (401) after entering a constant pressure regulating box (40), in the process that the nitrogen flows through the lower constant pressure cavity (401), when the pressure of the nitrogen is overlarge, a constant pressure regulating plate (42) can slide upwards in a sliding groove (43) under the action of air pressure, a spring column (430) is stretched, when an upper trigger block (420) is in contact with the upper trigger button (410), namely, the pressure in the lower constant pressure cavity (401) is overlarge, at the moment, a pressure relief valve (4010) is opened to relieve pressure while an air flow inlet (1500) is closed, meanwhile, an inverted U-shaped mounting disc (402) is enabled to move downwards under the action of extension of an electric telescopic rod (404), and an electromagnetic chuck (403) is powered off, so that a metal gravity block (406) falls into a clamping placing disc (405), and the constant pressure regulating plate (42) is accelerated to move downwards until the upper trigger block (420) is separated from the upper trigger button (410), when the pressure of the nitrogen is overlarge, the constant pressure regulating plate (42) can be enabled to contact the air pressure in the lower trigger button (410), namely, the pressure regulating plate (421) is enabled to contact with the lower trigger button (411) under the action of the air pressure, namely, the pressure of the constant pressure regulating plate (421) is enabled to be compressed in the lower trigger button (43) when the pressure is small;
s3, after nitrogen flows out of the constant pressure regulating box (40), nitrogen enters the inner bottom end of the buffer tank body (1) through the air inlet (10), when the nitrogen flows from bottom to top, the nitrogen is buffered through each buffer screen (14) and flows out through the air outlet (11), as the nitrogen gathers in the buffer tank body (1) and has limited discharge rate, when the internal pressure of the buffer tank body (1) is overlarge, the nitrogen enters the second regulating mounting box (32), when the nitrogen pressure is enough and the pushing baffle (34) moves towards the position close to the regulating port (30), at the moment, the two spring extruding rods (340) are compressed, the two regulating plates (33) are pushed away from each other, the regulating port (30) is opened, the nitrogen enters each pressure regulating tank (2) through the regulating port (30) to be decompressed, and as the two regulating plates (33) are away from each other, the connecting rod (330) can stretch the elastic compression sleeve (320) so as to avoid that part of the nitrogen flows into the buffer tank body (1) again through the pressure reducing hole (321), and the nitrogen outflow rate is too high;
s4, finally, when the internal pressure of the buffer tank body (1) is too small, starting an air pump (21), pumping external air to the pressurizing air bags (35) by using the air pump (21), increasing the air pressure in each pressure regulating tank (2) along with the expansion of the pressurizing air bags (35), flushing the sealing valve clacks (130) through each communication port (12) by nitrogen, and filling the pressure into the buffer tank body (1) until the nitrogen in the buffer tank body (1) is stably output through the air outlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310089114.7A CN116221609A (en) | 2023-02-09 | 2023-02-09 | Pressure-adjustable nitrogen multistage buffer tank and use method thereof |
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| CN202310089114.7A CN116221609A (en) | 2023-02-09 | 2023-02-09 | Pressure-adjustable nitrogen multistage buffer tank and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780598A (en) * | 2024-02-27 | 2024-03-29 | 广州艾玛压缩机有限公司 | Control device for compressor buffer tank resonance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780598A (en) * | 2024-02-27 | 2024-03-29 | 广州艾玛压缩机有限公司 | Control device for compressor buffer tank resonance |
| CN117780598B (en) * | 2024-02-27 | 2024-04-23 | 广州艾玛压缩机有限公司 | Control device for compressor buffer tank resonance |
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