CN220715331U - Nitrogen recycling machine for dust - Google Patents
Nitrogen recycling machine for dust Download PDFInfo
- Publication number
- CN220715331U CN220715331U CN202322167601.9U CN202322167601U CN220715331U CN 220715331 U CN220715331 U CN 220715331U CN 202322167601 U CN202322167601 U CN 202322167601U CN 220715331 U CN220715331 U CN 220715331U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- tower
- storage tank
- electromagnetic valve
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 337
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 152
- 239000000428 dust Substances 0.000 title claims abstract description 49
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 42
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 34
- 238000012806 monitoring device Methods 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000002808 molecular sieve Substances 0.000 claims abstract description 23
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a dust recycling nitrogen machine, which belongs to the technical field of nitrogen preparation equipment, wherein a compressed air pressure monitoring device is communicated with an air filter, the air filter is communicated with a nitrogen making electromagnetic valve, the nitrogen making electromagnetic valve is communicated with a dust collecting bag, one end of the nitrogen making electromagnetic valve is respectively communicated with an A tower and a B tower, carbon molecular sieves are filled in the A tower and the B tower, the A tower and the B tower are respectively communicated with a nitrogen gas storage tank, the nitrogen gas storage tank is connected with the nitrogen air pressure monitoring device, compressed air enters from one end of the air pressure monitoring device and then enters the nitrogen making electromagnetic valve, nitrogen is prepared through the A tower or the B tower, the nitrogen is conveyed to the nitrogen gas storage tank, dust in the A tower or the B tower flows back to the dust collecting bag through the nitrogen making electromagnetic valve, and the nitrogen making electromagnetic valve is electrically connected with a singlechip. The utility model has the advantages of capability of avoiding equipment short circuit caused by pulverization of the carbon molecular sieve, high purity of the prepared nitrogen, long service life of the equipment and no environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of nitrogen preparation equipment, and particularly relates to a dust recycling nitrogen machine.
Background
The nitrogen is prepared by adopting PSA (carbon molecular sieve), the prepared nitrogen is used for inflating automobile tires, the main component of the carbon molecular sieve is elemental carbon, and most of common carbon molecular sieves in the market at present are coconut shells, coal, resin or the like, and the appearance of the carbon molecular sieve is black columnar solid. In the nitrogen production process, the carbon molecular sieve is subjected to pulverization phenomenon, so that powder is generated, the physical property of the carbon molecular sieve is that when the pressure born by the carbon molecular sieve is higher, the mutual friction collision is aggravated, the pulverization is more serious, the powder is discharged along with unnecessary gas (non-nitrogen gas) after the nitrogen production, the discharged powder directly enters a machine box, after the time is long, more and more dust is generated, and finally black powder is generated everywhere in the machine box, and the black powder comprises some electrified facilities, so that short circuits are very easy to occur, and fatal faults of machines are caused; in the prior art, the potential safety hazard of powder accumulation in the case is solved by discharging the gas carrying the powder out of the case together, namely, the two pipelines are connected to the outlet of the two-position five-way electromagnetic valve to be led out of the case, and the powder generated by nitrogen production is discharged out of the case along with the pipelines, so that the method is equivalent to transferring the dust originally discharged in the case to the periphery outside the case, and the dust problem is not solved from the root, and the dust possibly floats in the air after being discharged out of the case, so that certain influence can be caused to human bodies or surrounding environment and living things; the problems are solved by adding the silencer, the silencer can reduce the noise generated by rapid air flow, and meanwhile, part of powder generated by the molecular sieve can be intercepted, but the cleaning or cleaning frequency is too high, the machine can not be blocked due to long-time cleaning, so that the machine can lose the function of acquiring high-purity nitrogen, and the dust can be collected without any device in the prior art, so that the environment is not polluted.
Therefore, how to provide a dust recycling nitrogen machine is a problem that needs to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above, the utility model provides a dust recycling nitrogen machine, which has the advantages of capability of avoiding equipment short circuit caused by pulverization of carbon molecular sieves, high purity of prepared nitrogen, long service life of equipment and no pollution to the environment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a dust recovery nitrogen machine comprising: the device comprises a compressed air pressure monitoring device, an air filter, a nitrogen making electromagnetic valve, a dust collecting bag, a tower A, a tower B, a nitrogen storage tank, a nitrogen pressure monitoring device and a singlechip; the compressed air pressure monitoring device is communicated with the air filter, the air filter is communicated with the nitrogen making electromagnetic valve, the nitrogen making electromagnetic valve is communicated with the dust collecting bag, one end of the nitrogen making electromagnetic valve is respectively communicated with the tower A and the tower B, carbon molecular sieves are filled in the tower A and the tower B, the tower A and the tower B are respectively communicated with the nitrogen gas storage tank, the nitrogen gas storage tank is connected with the nitrogen gas pressure monitoring device, compressed air enters from one end of the air pressure monitoring device and then enters the nitrogen making electromagnetic valve, nitrogen is produced through the tower A or the tower B, the nitrogen is conveyed to the nitrogen gas storage tank, and dust in the tower A or the tower B flows back to the dust collecting bag through the nitrogen making electromagnetic valve, and the nitrogen making electromagnetic valve is electrically connected with the single chip microcomputer.
Further, the compressed air pressure monitoring device includes: the pressure reducing valve, the air source electromagnetic valve and the air pressure gauge; the pressure reducing valve and the air source electromagnetic valve are both arranged on a pipeline in front of the air filter, the air pressure gauge is connected on a pipeline between the pressure reducing valve and the air source electromagnetic valve, and the air source electromagnetic valve is electrically connected with the singlechip.
Further, one side of the nitrogen storage tank is connected with a nitrogen outlet.
Further, an air outlet is connected to a pipeline between the pressure reducing valve and the air source electromagnetic valve.
Further, the nitrogen outlet or the air outlet is communicated with a vacuum charging device.
Further, a one-way valve A is arranged on a pipeline communicated with the nitrogen storage tank, and a one-way valve B is arranged on a pipeline communicated with the nitrogen storage tank.
Further, on the pipeline of A tower and nitrogen making solenoid valve intercommunication, on the pipeline of B tower and nitrogen making solenoid valve intercommunication, on the pipeline of A tower and nitrogen gas holder intercommunication, all install filter equipment on the pipeline of B tower and nitrogen gas holder intercommunication, filter equipment is the filter screen.
Further, the nitrogen gas pressure monitoring device includes: a safety valve, a nitrogen pressure gauge and a pressure switch; the safety valve is arranged on the nitrogen storage tank, the nitrogen pressure gauge is connected with the nitrogen storage tank, and the pressure switch is connected with the nitrogen storage tank.
Further, on the pipeline that A tower and nitrogen gas holder communicate, all install the choke valve on the pipeline that B tower and nitrogen gas holder communicate.
The utility model has the beneficial effects that:
the pressure-reducing valve is simple in structure and convenient to use, compressed air enters from one end of the pressure-reducing valve, the pressure of the compressed air is firstly adjusted, the air pressure gauge is used for monitoring, when the pressure reaches a set range, namely, when the pressure of nitrogen in the nitrogen storage tank is lower than the set range of the pressure switch, the air source electromagnetic valve is opened, and the compressed air passes through; the compressed air passing through the air source electromagnetic valve firstly filters dust, water vapor and oil mist in the compressed air through the air filter, then the nitrogen making electromagnetic valve is connected with the pipeline of the tower A, and the active substances of the carbon molecular sieve in the tower A are utilized to adsorb oxygen and carbon dioxide in the compressed air, so that nitrogen is prepared. The nitrogen flows into the nitrogen storage tank through the throttle valve, and the pressure inside the nitrogen storage tank is monitored through the nitrogen pressure gauge; when the tire vacuum pump is used, the tire is vacuumized through the vacuum inflation device, gas in the tire is pumped out, after the vacuumizing is finished, the air outlet is disconnected, the nitrogen outlet is communicated with the vacuum inflation device, and the tire is inflated with nitrogen; after the tower A is used for a long time, the adsorption of the carbon molecular sieve in the tower A is close to saturation, when the purity of the prepared nitrogen cannot be ensured, the nitrogen preparing electromagnetic valve is adjusted, compressed air flows into the tower B, the nitrogen is prepared through the tower B, the pressure of the carbon molecular sieve in the tower A is released, the carbon molecular sieve in the tower A is depressurized and desorbed, the capability of re-adsorbing the nitrogen preparing is achieved, dust in the tower A enters a dust collecting device along with the released gas, and the tower A and the tower B are subjected to alternate adsorption and desorption through the timing switching of the singlechip, so that the utility model has the advantages of capability of avoiding equipment short circuit caused by pulverization of the carbon molecular sieve, high purity of the prepared nitrogen, long service life of equipment and no environmental pollution.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the structure of the present utility model.
Wherein, in the figure:
1-an air filter; 2-a nitrogen making electromagnetic valve; 3-a dust collection bag; a 4-A column; a 5-B column; 6-a nitrogen storage tank; 7-a pressure reducing valve; 8-an air source electromagnetic valve; 9-an air pressure gauge; 10-a one-way valve A; 11-a one-way valve B; 12-a filtration device; 13-a safety valve; 14-a nitrogen pressure gauge; 15-a pressure switch; 16-nitrogen outlet; 17-an air outlet; 18-a vacuum inflation device; 19-throttle valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a dust recycling nitrogen machine, comprising: the device comprises a compressed air pressure monitoring device, an air filter 1, a nitrogen making electromagnetic valve 2, a dust collecting bag 3, an A tower 4, a B tower 5, a nitrogen storage tank 6, a nitrogen pressure monitoring device and a singlechip; the compressed air pressure monitoring device is communicated with the air filter 1, the air filter 1 is communicated with the nitrogen making electromagnetic valve 2, the nitrogen making electromagnetic valve 2 is communicated with the dust collecting bag 3, one end of the nitrogen making electromagnetic valve 2 is respectively communicated with the A tower 4 and the B tower 5, the A tower 4 and the B tower 5 are filled with carbon molecular sieves, the A tower 4 and the B tower 5 are communicated with the nitrogen gas storage tank 6, the nitrogen gas storage tank 6 is connected with the nitrogen gas pressure monitoring device, compressed air enters from one end of the air pressure monitoring device and then enters the nitrogen making electromagnetic valve 2, nitrogen is made through the A tower 4 or the B tower 5, the nitrogen is conveyed to the nitrogen gas storage tank 6, dust in the A tower 4 or the B tower 5 flows back to the dust collecting bag 3 through the nitrogen making electromagnetic valve 2, and the nitrogen making electromagnetic valve 2 is electrically connected with the singlechip. The nitrogen making electromagnetic valve 2 is a two-position five-way electromagnetic valve, powder can be discharged along with unnecessary gas (non-nitrogen gas) from the P end or the S end of the two-position five-way electromagnetic valve, the P end and the S end are respectively communicated with the dust collecting bag 3, the dust collecting bag 3 adopts a cloth bag with a certain thickness, the gas can penetrate, and the powder cannot penetrate, so that the effect of collecting dust is achieved, and the dust collecting bag 3 can also be a filtering device with a certain filtering grade and containing function.
The compressed air pressure monitoring device includes: a pressure reducing valve 7, an air source electromagnetic valve 8 and an air pressure gauge 9; the pressure reducing valve 7 and the air source electromagnetic valve 8 are both arranged on a pipeline in front of the air filter 1, the air pressure gauge 9 is connected on a pipeline between the pressure reducing valve 7 and the air source electromagnetic valve 8, and the air source electromagnetic valve 8 is electrically connected with the single chip microcomputer. After the air filter 1 finishes nitrogen production, the pressure in the air filter 1 is released by changing the valve core direction of the air source electromagnetic valve 8, so that the water and the oil in the air filter 1 are automatically discharged.
One side of the nitrogen storage tank 6 is connected with a nitrogen outlet 16 for discharging nitrogen.
An air outlet 17 is connected to a pipeline between the pressure reducing valve 7 and the air source electromagnetic valve 8 and is connected with a vacuum inflating device 18, and the vacuum inflating device 18 is driven to vacuumize the tire.
The nitrogen outlet 16 or the air outlet 17 is in communication with a vacuum inflation device 18. Besides manual control, the vacuum inflation device can automatically execute vacuumizing and inflation through a singlechip program control electromagnetic valve or replace vacuumizing through cyclic inflation, namely, the cyclic inflation is not vacuumizing, partial gas in the tire, such as 50%, is firstly discharged, then high-purity nitrogen is filled into the tire, the mixed gas in the tire is discharged together with the partial gas, such as 50%, and then the high-purity nitrogen is filled again, the process is repeated for many times until the inflation is completed, and the tire is not damaged due to the fact that the mixed gas is always present in the tire in the cyclic inflation process.
A one-way valve A10 is arranged on a pipeline communicated with the nitrogen storage tank 6 of the tower A4, and a one-way valve B11 is arranged on a pipeline communicated with the nitrogen storage tank 6 of the tower B5. Nitrogen reflux is avoided by the action of the check valve A10 and the check valve B11.
On the pipeline that A tower 4 and nitrogen making solenoid valve 2 communicate, on the pipeline that B tower 5 and nitrogen making solenoid valve 2 communicate, on the pipeline that A tower 4 and nitrogen gas holder 6 communicate, filter equipment 12 is all installed on the pipeline that B tower 5 and nitrogen gas holder 6 communicate, filter equipment 12 is the filter screen for carbon molecular sieve granule etc. in the filtration gas.
The nitrogen gas pressure monitoring device includes: a safety valve 13, a nitrogen pressure gauge 14 and a pressure switch 15; the safety valve 13 is arranged on the nitrogen storage tank 6, the nitrogen pressure gauge 14 is connected with the nitrogen storage tank 6, and the pressure switch 15 is connected with the nitrogen storage tank 6. The safety valve 13 adopted by the utility model is a mechanical pressure relief valve, the pressure relief is controlled through an internal spring mechanism, when the pressure in the gas storage tank 6 is enough to jack the spring, the pressure can be automatically relieved, the spring can not be jacked, and the pressure can be automatically closed, the safety valve 13 can also be electrically connected with a singlechip, when the pressure in the nitrogen gas storage tank 6 is overlarge, the pressure switch 15 works and outputs a signal to the singlechip, the singlechip controls the safety valve 13 to be opened for quick deflation, and meanwhile, the singlechip controls the air source electromagnetic valve 8 to be closed, the air inlet source is cut off, and nitrogen production is stopped.
On the pipeline that tower A4 and nitrogen gas holder 6 communicate, all install choke valve 19 on the pipeline that tower B5 and nitrogen gas holder 6 communicate, but through adjusting choke valve 19 control nitrogen gas air current to control nitrogen gas purity, choke valve 19 is used for controlling nitrogen gas flow, and the lower the flow, the higher the nitrogen gas purity of preparing. The nitrogen flow and purity can be preset to a standard range.
The utility model has simple structure and convenient use, compressed air enters from one end of the pressure reducing valve 7, the pressure of the compressed air is firstly regulated, the air pressure gauge 9 is used for monitoring, when the pressure reaches a set range, namely, the nitrogen pressure in the nitrogen storage tank 6 is lower than the set range of the pressure switch 15, the air source electromagnetic valve 8 is opened, and the compressed air passes through; the compressed air passing through the air source electromagnetic valve 8 firstly filters dust, water vapor and oil mist in the compressed air through an air filter, then the pipeline of the A tower 4 is communicated by the nitrogen making electromagnetic valve 2, and the active substances of the carbon molecular sieve in the A tower 4 are utilized to adsorb oxygen and carbon dioxide in the compressed air, so that nitrogen is prepared. Nitrogen flows into the nitrogen storage tank 6 through the throttle valve 19, and the pressure inside the nitrogen storage tank is monitored through the nitrogen pressure gauge; when in use, the tire is vacuumized through the vacuum inflating device 18 (the vacuum inflating device is the prior art and is not described in detail herein), the gas in the tire is pumped out, after the vacuumization is finished, the air outlet 17 is disconnected, the nitrogen outlet 16 is communicated with the vacuum inflating device 18, and the tire is inflated with nitrogen; after the tower A4 is used for a long time, when the purity of the prepared nitrogen cannot be ensured, the nitrogen preparing electromagnetic valve 2 is adjusted to enable compressed air to flow into the tower B5, the nitrogen is prepared through the tower B5, at the moment, the tower A4 is communicated with the dust collecting bag 3 at one side of the nitrogen preparing electromagnetic valve 2, the carbon molecular sieve in the tower A4 is depressurized and desorbed by releasing the air pressure in the tower A4, the capability of desorbing the nitrogen again is achieved, dust in the tower A4 enters the dust collecting device together with the released air, the tower A4 and the tower B5 are subjected to alternate adsorption and desorption through the timing switching of the singlechip, the device is cleaned or cleaned regularly, so that the device is kept in a relatively efficient state, the unit time air flow of the nitrogen preparing device is combined, the minimum filtering area required by the device is accurately calculated, and meanwhile, the functions of prolonging the working time length of the device and delaying the maintenance period of cleaning or cleaning can be achieved by increasing the cavity of the device; the device has relatively low cost, convenient disassembly and replacement and convenient maintenance; the filtering material and density level of the device can be changed, and the filtering precision can be changed, so that the device has the advantages of capability of avoiding equipment short circuit caused by pulverization of the carbon molecular sieve, high purity of prepared nitrogen, long service life of the equipment and no environmental pollution.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A dust recycling nitrogen machine, comprising: the device comprises a compressed air pressure monitoring device, an air filter (1), a nitrogen making electromagnetic valve (2), a dust collecting bag (3), an A tower (4), a B tower (5), a nitrogen storage tank (6), a nitrogen pressure monitoring device and a singlechip; compressed air pressure monitoring device and air cleaner (1) intercommunication, air cleaner (1) and nitrogen making solenoid valve (2) intercommunication, nitrogen making solenoid valve (2) and dust collection bag (3) intercommunication, the one end of nitrogen making solenoid valve (2) is respectively with A tower (4) and B tower (5) intercommunication, all pack carbon molecular sieve in A tower (4) and B tower (5), A tower (4) and B tower (5) all communicate with nitrogen gas tank (6), nitrogen gas tank (6) are connected with nitrogen gas pressure monitoring device, and compressed air gets into from air pressure monitoring device's one end, then gets into nitrogen making solenoid valve (2), and rethread A tower (4) or B tower (5) make nitrogen gas, and nitrogen gas carries to nitrogen gas tank (6), and dust in A tower (4) or B tower (5) is through nitrogen making solenoid valve (2) backward flow to dust collection bag (3), nitrogen making solenoid valve (2) are connected with the monolithic is electromechanical.
2. The dust recycling nitrogen machine according to claim 1, wherein the compressed air pressure monitoring device comprises: a pressure reducing valve (7), an air source electromagnetic valve (8) and an air pressure gauge (9); the pressure reducing valve (7) and the air source electromagnetic valve (8) are both arranged on a pipeline in front of the air filter (1), the air pressure gauge (9) is connected on the pipeline between the pressure reducing valve (7) and the air source electromagnetic valve (8), and the air source electromagnetic valve (8) is electrically connected with the single chip microcomputer.
3. A dust recycling nitrogen machine according to claim 2, characterized in that one side of the nitrogen reservoir (6) is connected to a nitrogen outlet (16).
4. A dust recycling nitrogen machine according to claim 3, characterized in that an air outlet (17) is connected to the line between the pressure reducing valve (7) and the air source solenoid valve (8).
5. A dust recycling nitrogen machine according to claim 4, characterized in that the nitrogen outlet (16) or the air outlet (17) is in communication with a vacuum charging device (18).
6. The dust recycling nitrogen machine according to claim 1, wherein a one-way valve A (10) is arranged on a pipeline of the A tower (4) communicated with the nitrogen storage tank (6), and a one-way valve B (11) is arranged on a pipeline of the B tower (5) communicated with the nitrogen storage tank (6).
7. The dust recycling nitrogen machine according to claim 1, wherein a pipeline of the A tower (4) and the nitrogen making electromagnetic valve (2) is communicated, a pipeline of the B tower (5) and the nitrogen making electromagnetic valve (2) is communicated, a pipeline of the A tower (4) and the nitrogen storage tank (6) is communicated, filtering devices (12) are arranged on pipelines of the B tower (5) and the nitrogen storage tank (6), and the filtering devices (12) are filter screens.
8. The dust recycling nitrogen machine according to claim 1, wherein the nitrogen pressure monitoring device comprises: a safety valve (13), a nitrogen pressure gauge (14) and a pressure switch (15); the safety valve (13) is arranged on the nitrogen storage tank (6), the nitrogen pressure gauge (14) is connected with the nitrogen storage tank (6), and the pressure switch (15) is connected with the nitrogen storage tank (6).
9. The dust recycling nitrogen machine according to claim 1, wherein a throttle valve (19) is arranged on a pipeline of the tower A (4) communicated with the nitrogen storage tank (6) and a pipeline of the tower B (5) communicated with the nitrogen storage tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322167601.9U CN220715331U (en) | 2023-08-11 | 2023-08-11 | Nitrogen recycling machine for dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322167601.9U CN220715331U (en) | 2023-08-11 | 2023-08-11 | Nitrogen recycling machine for dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220715331U true CN220715331U (en) | 2024-04-05 |
Family
ID=90525839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322167601.9U Active CN220715331U (en) | 2023-08-11 | 2023-08-11 | Nitrogen recycling machine for dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220715331U (en) |
-
2023
- 2023-08-11 CN CN202322167601.9U patent/CN220715331U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104192807B (en) | A kind of oxygen generating plant system and technical process thereof | |
| CN108434932B (en) | Internally-in and externally-out compressed air drying filter cartridge | |
| CN220715331U (en) | Nitrogen recycling machine for dust | |
| CN203212325U (en) | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device | |
| CN108468833A (en) | A kind of interaction switching pressurized air purification valve body | |
| CN117046258A (en) | Dust recycling nitrogen machine and use method | |
| CN106672906A (en) | Apparatus and method for preparing oxygen through two tower low pressure adsorption and vacuum desorption | |
| CN112919420B (en) | Medical molecular sieve oxygen generator system | |
| CN210631903U (en) | Pressure swing adsorption air separation nitrogen making device | |
| CN206624641U (en) | A kind of two towers low pressure adsorbent vacuum desorption prepares the device of oxygen | |
| CN208684408U (en) | A kind of dust-proof molecular-sieve type oxygen generating plant | |
| CN106006564A (en) | Energy-saving type domestic oxygen generator with multi-stage air purification system | |
| CN110152427A (en) | A kind of medical oxygen generator air filter | |
| CN203971702U (en) | The integrated drying tower of a kind of modular drying machine quick change | |
| CN105152145A (en) | Nitrogen production device provided with oxygen recovery system | |
| CN210528476U (en) | Pressure swing adsorption nitrogen making device | |
| CN214495811U (en) | Filter with ultrasonic backwashing function | |
| CN201701813U (en) | Electrolyte blocking filter of vacuum pipeline | |
| CN210993561U (en) | A protection dust removal mechanism for mixing earth workshop | |
| CN206082096U (en) | Air dryer of area buffering filter screen | |
| CN206983946U (en) | The high-purity nitrogen-inflating equipment of tire | |
| CN207324432U (en) | Integral type organic waste gas treatment device | |
| CN206983945U (en) | Tire Nitrogen filling system | |
| CN207498156U (en) | A kind of combined-type sewage active carbon filter | |
| CN206069365U (en) | Household type mute oxygen generator containing multi-staged air cleaning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |