CN214570763U

CN214570763U - Ventilation assembly of nitrogen making machine

Info

Publication number: CN214570763U
Application number: CN202120796917.2U
Authority: CN
Inventors: 李学成
Original assignee: Zigong Huatai Air Separation Technology Development Co ltd
Current assignee: Zigong Huatai Air Separation Technology Development Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-02
Anticipated expiration: 2031-04-19

Abstract

The application discloses nitrogen generator's subassembly of ventilating, including nitrogen generator main part, blow vent and joint, the blow vent set up in the lateral part of nitrogen generator main part, the blow vent is connected with a plurality of connection shells, be connected with the fold trachea between the connection shell, the joint is installed terminally the fold trachea mouth of pipe, the inside cutting ferrule formula ball valve that is provided with of connection shell, cutting ferrule formula ball valve both ends all with the fold trachea links to each other, connect shell outer wall axle side and install the bolt combination, it is fixed all to be connected through the bolt combination between the connection shell. This scheme is through connecting shell and the tracheal setting of fold, has still increased the flexibility ratio when having increased vent pipe length, is convenient for buckle from various angles and is connected with external equipment to can extend also can contract fixedly, if need overhaul, the dismouting is convenient, saves time and replacement cost.

Description

Ventilation assembly of nitrogen making machine

Technical Field

The application relates to the technical field of nitrogen making equipment, in particular to a ventilation assembly of a nitrogen making machine.

Background

The nitrogen generator is a device which takes air as a raw material and obtains nitrogen by separating oxygen and nitrogen in the air by a physical method. Most of nitrogen making machines on the market are nitrogen making equipment designed and manufactured according to pressure swing adsorption technology. The carbon molecular sieve can simultaneously adsorb oxygen and nitrogen in the air, the adsorption capacity of the carbon molecular sieve is increased along with the increase of pressure, the oxygen molecular diameter is smaller than that of nitrogen molecules, so the diffusion speed is hundreds of times faster than that of nitrogen, the oxygen adsorption speed of the carbon molecular sieve is also high, and the adsorption time is about 1 minute and reaches more than 90 percent; at this time, the amount of nitrogen adsorbed is only about 5%, so that substantially all of the adsorbed nitrogen is oxygen and the remainder is substantially nitrogen. The adsorption and desorption are realized by pressure difference, adsorption is carried out when the pressure is increased, and desorption is carried out when the pressure is reduced.

The nitrogen making machine uses high-quality imported Carbon Molecular Sieve (CMS) as an adsorbent, and adopts the pressure swing adsorption Principle (PSA) to separate air at normal temperature to prepare high-purity nitrogen. Usually, two adsorption towers are connected in parallel, an inlet PLC controls an inlet pneumatic valve to automatically operate, and the inlet pneumatic valve alternately performs pressurization adsorption and decompression regeneration to complete nitrogen-oxygen separation and obtain nitrogen with high purity.

In the prior art, the air vent joint structure of the nitrogen generator is fixed, and is usually formed by fixing a pipeline or combining a fixed hose. When the pipeline is connected with external gas equipment through a joint, the pipeline is required to be added again because the pipeline is not flexible enough, the operation is troublesome, and the time is wasted. Considering that the flow is invariable to be exported when vary voltage PSA adsorbs formula nitrogen generator nitrogen gas discharges, if the ventilation structure goes wrong, the inconvenient inspection of fixed pipeline and fixed hose's structure, and the replacement cost is big.

SUMMERY OF THE UTILITY MODEL

It is a primary object of the present application to provide a vent assembly for a nitrogen generator to ameliorate the problems of the related art.

In order to realize above-mentioned purpose, this application provides a subassembly of ventilating of nitrogen generator, including nitrogen generator main part, blow vent and joint, the blow vent set up in the lateral part of nitrogen generator main part, the blow vent is connected with a plurality of connection shells, and is a plurality of be connected with the fold trachea between the connection shell, the joint is installed at the end the fold trachea mouth of pipe, the inside cutting ferrule formula ball valve that is provided with of connection shell, cutting ferrule formula ball valve both ends all with the fold trachea links to each other, connect shell outer wall axle side and install the bolt combination, it is fixed all through bolt built-up connection between the connection shell.

In an embodiment of this application, there is movable round pin piece connecting shell one end axle side through the screw mounting, there is round pin post, one connecting shell other end coaxial side through the screw mounting movable round pin piece joint is in another connecting shell on the round pin post, pass through between the connecting shell movable round pin piece with round pin columnar connection is fixed.

In an embodiment of the application, the inner walls of the two ends of the connecting shell are provided with storage parts, the folded air pipes are folded in the storage parts, and the storage parts and the folded air pipes are in clearance combination.

In an embodiment of this application, the cutting ferrule formula ball valve with be provided with the connecting pipe between the fold trachea, the one end of connecting pipe with the fold trachea cup joints, the other end of connecting pipe with cutting ferrule formula ball valve threaded connection.

In an embodiment of this application, the connecting pipe inner wall is provided with the sealing layer, the sealing layer sets up to rubber pipeline layer, the sealing layer extend to fold trachea outer wall, and with the outer cup joint of fold trachea mouth of pipe.

In an embodiment of this application, the upper and lower axle side at connecting shell both ends all is seted up flutedly, the recess closes on the one side welding of inner wall and has compression spring, compression spring's the other end is connected with the briquetting, the briquetting simultaneously with the sealing layer outer wall contacts.

In one embodiment of the present application, a pressure gauge is mounted on the body side of the nitrogen generator.

Compared with the prior art, the beneficial effects of this application are: through the ventilation assembly of the nitrogen making machine, when in use, the connecting shell and the folded air pipe are arranged, so that the length of the ventilation pipeline is increased, the flexibility is increased, the ventilation pipeline can be conveniently bent from various angles to be connected with external equipment, and the ventilation pipeline can be extended or contracted for fixing, and if in need of maintenance, the ventilation assembly is convenient to disassemble and assemble, and the time and the replacement cost are saved;

can know the nitrogen gas flow output condition in the subassembly of ventilating through the manometer, if the manometer shows unusually, the optional cutting ferrule formula ball valve of opening and close in every section connecting shell carries out fault detection to combine the dismouting structure to change.

Drawings

Fig. 1 is a front view of a vent assembly of a nitrogen generator according to an embodiment of the present disclosure;

FIG. 2 is a front view of a connecting shell of a venting assembly of a nitrogen generator according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional structural view of a connecting shell of a venting assembly of a nitrogen generator provided in accordance with an embodiment of the present application;

FIG. 4 is an enlarged, partially cross-sectional, schematic structural view of a vent assembly of a nitrogen generator provided in accordance with an embodiment of the present application;

fig. 5 is a schematic partial enlarged sectional view of a venting assembly of a nitrogen generator according to an embodiment of the present application.

In the figure: 1. a nitrogen generator main body; 2. a connecting shell; 3. folding the trachea; 4. a ferrule type ball valve; 5. a storage section; 6. a joint; 7. a movable pin sheet; 8. a pin; 9. a compression spring; 10. briquetting; 11. a connecting pipe; 12. a sealing layer; 13. a groove; 14. a pressure gauge; 15. and (4) a vent.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Please refer to fig. 1-5, the application provides a ventilation assembly of nitrogen generator, including nitrogen generator main part 1, vent 15 and joint 6, nitrogen generator main part 1 is the main part of absorption formula molecular sieve nitrogen generator, vent 15 sets up in the lateral part of nitrogen generator main part 1, vent 15 is connected with a plurality of connecting shell 2, be connected with fold trachea 3 between a plurality of connecting shell 2, fold trachea 3 sets up to flexible plastics fold pipeline, 6 threaded installations are at 3 mouths of pipe of terminal fold trachea for joint 6, connecting shell 2 is inside to be provided with cutting ferrule formula ball valve 4, the through-hole has been seted up to connecting shell 2 inner wall, the spanner of cutting ferrule formula ball valve 4 passes through the through-hole setting outside connecting shell 2, cutting ferrule formula ball valve 4 both ends all link to each other with fold trachea 3, the bolt combination is installed to connecting shell 2 outer wall shaft side, all connect fixedly through the bolt combination between the connecting shell 2. The cutting ferrule connecting mode is a novel reliable pipe connecting piece widely popularized and used at home and abroad, the pipeline installation of the cutting ferrule connecting piece is extremely convenient, the fire prevention, the explosion prevention and the high-altitude operation are facilitated, the pressure resistance is high, and the sealing performance and the repeatability are good.

The manometer 14 is installed to nitrogen generator main part 1 lateral part, and manometer 14 detects the atmospheric pressure in the subassembly of ventilating, if the atmospheric pressure of subassembly of ventilating does not accord with the output atmospheric pressure that nitrogen generator set for, indicates that the subassembly of ventilating appears gaseous leakage, can open and close the cutting ferrule formula ball valve 4 of each festival, detects the pipeline.

For realizing detachable connections between connecting shell 2, there is movable round pin piece 7 connecting 2 one end axle sides of shell through the screw mounting, movable round pin piece 7 sets up to the sheetmetal that can rotate, set up round hole and square hole on the sheetmetal, there is round pin post 8 connecting 2 other ends coaxial sides of shell through the screw mounting, round pin post 8 sets up to the cylinder that the top is provided with the ball, round pin post 8 can with movable round pin piece 7 the round hole joint, and remove in the square hole, 7 joints of movable round pin piece of a connecting shell 2 are on another round pin post 8 of connecting shell 2, connect fixedly through movable round pin piece 7 and round pin post 8 between the connecting shell 2. If the two connecting shells 2 need to be fixed and the length of the ventilation assembly is shortened, the movable pin sheet 7 is clamped on the pin 8, and if the length of the ventilation assembly needs to be increased, the movable pin sheet 7 is separated from the pin 8, and the folded air pipe 3 is lengthened.

In order to create a space for folding the folded air pipe 3, the inner walls of the two ends of the connecting shell 2 are provided with the storage parts 5, the folded air pipe 3 is folded in the storage parts 5, and the storage parts 5 and the folded air pipe 3 are in clearance combination to prevent friction.

For the leakproofness that increases the pipeline, be provided with connecting pipe 11 between cutting ferrule formula ball valve 4 and the fold trachea 3, the one end and the fold trachea 3 of connecting pipe 11 cup joint, the other end and the 4 threaded connection of cutting ferrule formula ball valve of connecting pipe 11. The inner wall of the connecting pipe 11 is provided with a sealing layer 12, the sealing layer 12 is arranged outside the connecting pipe 11 in a rubber pipeline wrapping mode, and the sealing layer 12 extends to the outer wall of the folded air pipe 3 and is sleeved with the opening of the folded air pipe 3.

Connecting the upper and lower axle side at 2 both ends of shell and all having seted up recess 13, recess 13 closes on the one side welding of inner wall and has compression spring 9, and compression spring 9's the other end is connected with briquetting 10, and briquetting 10 contacts with sealing layer 12 outer wall. After the pipeline is connected, the compression spring 9 is always in a compression state, provides an extrusion force for the sealing layer 12, ensures that the pressing block 10 is positioned between the inside of the connecting shell 2 and the sealing layer 12, ensures that the connection is stable, and ensures the sealing performance between the corrugated air pipe 3, the connecting pipe 11 and the connecting shell 2.

Specifically, the working principle of the ventilation assembly of the nitrogen making machine is as follows: will connect shell 2 and vent 15 erection joint during the use, be connected fold trachea 3 and connect shell 2, after connecting 6 and external device and being connected, open the nitrogen generator, nitrogen gas is from vent 15 circulation, can select fold or stretch out, crooked fold with fold trachea 3 according to the condition for connect length is adjustable, the angle is more nimble. Detect the atmospheric pressure in the subassembly of ventilating through manometer 14, if the atmospheric pressure of the subassembly of ventilating does not accord with the output atmospheric pressure that nitrogen generator set for, then show that the subassembly of ventilating appears leaking, can open and close the cutting ferrule formula ball valve 4 of each festival, detect and maintain the change to the pipeline, the dismouting is convenient, has saved time and replacement cost.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a subassembly of ventilating of nitrogen generator, includes nitrogen generator main part (1), blow vent (15) and connects (6), its characterized in that, blow vent (15) set up in the lateral part of nitrogen generator main part (1), blow vent (15) are connected with a plurality of connect shell (2), and are a plurality of be connected with fold trachea (3) between connect shell (2), install at terminal joint (6) fold trachea (3) mouth of pipe, connect the inside cutting ferrule formula ball valve (4) that is provided with of shell (2), cutting ferrule formula ball valve (4) both ends all with fold trachea (3) link to each other, the bolt combination is installed to connect shell (2) outer wall axle side, it is fixed all through bolt built-up connection between connect shell (2).

2. The ventilation assembly of a nitrogen making machine as claimed in claim 1, wherein a movable pin (7) is installed on one end of the connecting shell (2) by a screw, a pin (8) is installed on the other end of the connecting shell (2) by a screw, the movable pin (7) of one connecting shell (2) is clamped on the pin (8) of the other connecting shell (2), and the connecting shells (2) are connected and fixed with each other by the movable pin (7) and the pin (8).

3. The ventilation assembly of a nitrogen making machine as claimed in claim 1, wherein the connecting shell (2) is provided with a receiving portion (5) at the inner wall of both ends, the folded air pipe (3) is received in the receiving portion (5), and the receiving portion (5) and the folded air pipe (3) are combined with each other in a clearance.

4. The venting assembly of claim 1, wherein a connecting pipe (11) is disposed between the ferrule type ball valve (4) and the corrugated gas pipe (3), one end of the connecting pipe (11) is sleeved with the corrugated gas pipe (3), and the other end of the connecting pipe (11) is in threaded connection with the ferrule type ball valve (4).

5. A ventilation assembly of a nitrogen making machine according to claim 4, characterized in that the inner wall of the connecting pipe (11) is provided with a sealing layer (12), the sealing layer (12) is provided as a rubber pipe layer, and the sealing layer (12) extends to the outer wall of the corrugated air pipe (3) and is sleeved with the mouth of the corrugated air pipe (3).

6. The aeration assembly of the nitrogen making machine according to claim 5, wherein the upper and lower axial sides of both ends of the connecting shell (2) are provided with grooves (13), one side of the groove (13) close to the inner wall is welded with a compression spring (9), the other end of the compression spring (9) is connected with a pressing block (10), and the pressing block (10) is simultaneously contacted with the outer wall of the sealing layer (12).

7. The venting assembly of a nitrogen generator as claimed in claim 1, wherein the nitrogen generator body (1) is laterally fitted with a pressure gauge (14).