CN216092953U

CN216092953U - Prevent pressure swing adsorption nitrogen making equipment of leakage

Info

Publication number: CN216092953U
Application number: CN202122003638.9U
Authority: CN
Inventors: 苏铁军; 徐雷; 孙胜海
Original assignee: Jiangsu Enming Electromechanical Technology Co ltd
Current assignee: Jiangsu Enming Electromechanical Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-22
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a leakage-proof pressure swing adsorption nitrogen making device, which comprises an air compression tank, an air buffer tank, a freeze drying tank and a nitrogen making main tank, wherein the side wall of the air compression tank is spliced and communicated with the air buffer tank through a first air duct, the air buffer tank is spliced and connected with the freeze drying tank through a second air duct, the freeze drying tank is spliced and communicated with the nitrogen making main tank through a third air duct, the middle part of the third air duct is provided with a filtering and sealing mechanism, the filtering and sealing mechanism comprises a filtering and sealing box, the two sides of the filtering and sealing box are spliced and communicated with the third air duct, the inner cavity of the filtering and sealing box is vertically spliced and communicated with a first filtering screen plate, the device comprises a first filter screen plate, a second filter screen plate and a third filter screen plate, wherein the first filter screen plate, the second filter screen plate and the third filter screen plate are uniformly arranged on the top of a filter sealing box.

Description

Prevent pressure swing adsorption nitrogen making equipment of leakage

Technical Field

The utility model relates to the field of nitrogen production, in particular to leakage-proof pressure swing adsorption nitrogen production equipment.

Background

Carbon molecular sieves and zeolite molecular sieves are used in the fields of nitrogen and oxygen production. The separation effect of molecular sieve on oxygen and nitrogen is mainly based on the difference of diffusion rates of the two gases on the surface of the molecular sieve, and the carbon molecular sieve is a carbon-based adsorbent having certain characteristics of both activated carbon and the molecular sieve. Carbon molecular sieves have a very small micropore composition.

Present pressure swing adsorption nitrogen making equipment has the weak point, when making nitrogen, when carrying out the filter process, the filter screen is not convenient for tear open and washes the clearance, the filter screen dismantled that sets up, filter screen and rose box junction leakproofness are not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provide a leakage-proof pressure swing adsorption nitrogen production device.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

the utility model provides a prevent pressure swing adsorption nitrogen making equipment of leakage, includes air compression jar, air buffer tank, freeze-drying tank and nitrogen making owner jar, air compression jar lateral wall is through first air duct and air buffer tank grafting intercommunication, the air buffer tank passes through second air duct and freeze-drying tank plug-in connection, freeze-drying tank is linked together through third air duct and nitrogen making owner jar, third air duct middle part is provided with the filtration sealing mechanism.

Preferably, filter sealing mechanism includes filtering seal box, filtering seal box both sides and third air duct grafting intercommunication, the vertical grafting intercommunication of filtering seal box inner chamber has first filter screen board, second filter screen board and third filter screen board, filter seal box top has evenly seted up and has supplied first filter screen board, second filter screen board and third filter screen board, the connection slotted hole of slip grafting, every group the spread groove hole cover is equipped with the sealing rubber cover, the pump is installed at filtering seal box outside top, the grafting intercommunication in sealing rubber cover top and gas conduit.

Preferably, the bottom of the inner cavity of the filter seal box is positioned under the three groups of connecting slotted holes and is fixed with limiting fixture blocks, and the top of each limiting fixture block is provided with a limiting clamping groove which is in sliding clamping connection with the first filter screen plate, the second filter screen plate and the third filter screen plate.

Preferably, the top parts of the first filter screen plate, the second filter screen plate and the third filter screen plate are all fixed with stretching handles.

Preferably, the inflation conduit is fitted with an exhaust valve.

Has the advantages that:

1. raw material air enters an air buffer tank through a first air duct after being compressed by an air compression tank, most of oil, liquid water and dust flow to the bottom of the tank after being attached to the wall of the tank and are periodically discharged from a blow-down valve, one part of the oil, liquid water and dust enter a compressed air purification system along with air flow, then enter a freeze drying tank through a second air duct, and are filtered by a filtering and sealing mechanism, after freezing, dehumidifying and filtering, the liquid water, oil and dust in the compressed air are filtered cleanly from coarse to fine, the dew point of the compressed air is reduced to 2-10 ℃, the oil content is reduced to 0.001PPm, the dust is filtered to 0.01 mu m, and the cleanness of the raw material gas entering a main nitrogen making tank is ensured.

2. In the filtering process, the first filtering screen plate, the second filtering screen plate and the third filtering screen plate are respectively inserted into the filtering seal box through the connecting slot holes, then the inflator pump is started to inflate the sealing rubber sleeve in each group of connecting slot holes through the inflation guide pipe until the sealing slot holes and the joints of the first filtering screen plate, the second filtering screen plate and the third filtering screen plate 804 are sealed and blocked, when the first filtering screen plate, the second filtering screen plate and the third filtering screen plate are taken out, the exhaust valves are respectively opened, the sealing rubber sleeve is deflated, and the first filtering screen plate, the second filtering screen plate and the third filtering screen plate are taken out to be cleaned or replaced quickly.

Of course, it is not necessary for any one product that embodies the utility model to achieve all of the above advantages simultaneously.

Drawings

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

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

FIG. 2 is a schematic view of the filter sealing mechanism of the present invention;

FIG. 3 is a schematic view of the connection of the sealing rubber sleeve of the present invention;

the reference numbers in the drawings are as follows:

1-air compression tank, 2-air buffer tank, 3-freeze drying tank, 4-nitrogen making main tank, 5-first air guide pipe, 6-second air guide pipe, 7-third air guide pipe, 8-filtering sealing mechanism, 801-filtering sealing box, 802-first filter screen plate, 803-second filter screen plate, 804-third filter screen plate, 805-connecting slotted hole, 806-sealing rubber sleeve, 807-inflator pump, 808-inflation conduit, 9-limiting clamping block, 10-limiting clamping groove, 11-stretching handle and 12-exhaust valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Example 1:

as shown in fig. 1-3, the utility model relates to a leakage-proof pressure swing adsorption nitrogen making device, which comprises an air compression tank 1, an air buffer tank 2, a freeze-drying tank 3 and a nitrogen making main tank 4, wherein the side wall of the air compression tank 1 is in inserted connection with the air buffer tank 2 through a first air duct 5, the air buffer tank 2 is in inserted connection with the freeze-drying tank 3 through a second air duct 6, the freeze-drying tank 3 is communicated with the nitrogen making main tank 4 through a third air duct 7, and the middle part of the third air duct 7 is provided with a filtering and sealing mechanism 8.

The specific application of this embodiment is: raw material air enters an air buffer tank 2 through a first air duct 5 after being compressed by an air compression tank 1, most of oil, liquid water and dust flow to the tank bottom after being attached to the wall of the tank and are periodically discharged from a blow-down valve, one part of the raw material air enters a compressed air purification system along with air flow, then enters a freeze drying tank 3 through a second air duct 6, and is filtered through a filtering and sealing mechanism 8, and the liquid water, the oil and the dust in the compressed air are filtered completely from coarse to fine after being subjected to freeze dehumidification and filtration, so that the dew point of the compressed air pressure is reduced to 2-10 ℃, the oil content is reduced to 0.001PPm, the dust is filtered to 0.01 mu m, and the cleanness of the raw material gas entering a nitrogen making main tank 4 is ensured.

Example 2:

wherein, the filtering and sealing mechanism 8 comprises a filtering and sealing box 801, two sides of the filtering and sealing box 801 are in inserted connection with a third gas-guide tube 7, a first filtering screen plate 802, a second filtering screen plate 803 and a third filtering screen plate 804 are vertically inserted and connected with an inner cavity of the filtering and sealing box 801, the top of the filtering and sealing box 801 is uniformly provided with a first filtering screen plate 802, a second filtering screen plate 803 and a third filtering screen plate 804, connecting slotted holes 805 are in sliding insertion connection, each group of connecting slotted holes 805 is sleeved with a sealing rubber sleeve 806, the top of the outer side of the filtering and sealing box 801 is provided with an inflator pump 807, the top of the sealing rubber sleeve 806 is inserted and connected with an inflator 808, the bottom of the inner cavity of the filtering and sealing box 801 is positioned under the three groups of connecting slotted holes 805 and is fixed with a limiting fixture block 9, the top of each group of limiting fixture block 9 is provided with a limiting fixture groove 10 in sliding connection with the first filtering screen plate 802, the second filtering screen plate 803 and the third filtering screen plate 804, the top parts of the first filter screen plate 802, the second filter screen plate 803 and the third filter screen plate 804 are all fixed with stretching handles 11, and the air charging conduit 808 is provided with an air discharging valve 12.

One specific application of this embodiment is: in the filtering process, the first filter screen plate 802, the second filter screen plate 803 and the third filter screen plate 804 are respectively inserted into the filtering seal box 801 through the connecting slotted holes 805, then the inflator 80 is started to inflate the sealing rubber sleeve 806 in each group of connecting slotted holes 805 through the inflation conduit 808 until the connecting positions of the sealing slotted holes 805 and the first filter screen plate 802, the second filter screen plate 803 and the third filter screen plate 804 are sealed and blocked, when the first filter screen plate 802, the second filter screen plate 803 and the third filter screen plate 804 are taken out, the exhaust valves 12 are respectively opened, the sealing rubber sleeve 806 is deflated, and the first filter screen plate 802, the second filter screen plate 803 and the third filter screen plate 804 are quickly taken out for cleaning or replacement.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed, and obviously many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pressure swing adsorption nitrogen plant that prevents leaking which characterized in that: including air compression jar (1), air buffer tank (2), freeze-drying tank (3) and nitrogen making owner jar (4), air compression jar (1) lateral wall is through first air duct (5) and air buffer tank (2) grafting intercommunication, air buffer tank (2) are through second air duct (6) and freeze-drying tank (3) plug-in connection, freeze-drying tank (3) are linked together through third air duct (7) and nitrogen making owner jar (4), third air duct (7) middle part is provided with filtering sealing mechanism (8).

2. A leak-proof pressure swing adsorption nitrogen plant as recited in claim 1, wherein: filter sealing mechanism (8) including filtering seal case (801), filtering seal case (801) both sides and third air duct (7) grafting intercommunication, the vertical grafting intercommunication of filtering seal case (801) inner chamber has first filter screen board (802), second filter screen board (803) and third filter screen board (804), the vertical grafting intercommunication of filtering seal case (801) inner chamber has evenly seted up and has supplied first filter screen board (802), second filter screen board (803) and third filter screen board (804), and the connection slotted hole (805) of slip grafting, every group connection slotted hole (805) cover is equipped with sealing rubber sleeve (806), inflator pump (807) are installed at filtering seal case (801) outside top, sealing rubber sleeve (806) top grafting intercommunication has inflation pipe (808).

3. A leak-proof pressure swing adsorption nitrogen plant as recited in claim 2, wherein: the bottom of the inner cavity of the filtering and sealing box (801) is located under three groups of connecting slotted holes (805) and is fixed with limiting clamping blocks (9), and the top of each limiting clamping block (9) is provided with a limiting clamping groove (10) which is in sliding clamping connection with a first filtering screen plate (802), a second filtering screen plate (803) and a third filtering screen plate (804).

4. A leak-proof pressure swing adsorption nitrogen plant as recited in claim 2, wherein: stretching handles (11) are fixed on the tops of the first filter screen plate (802), the second filter screen plate (803) and the third filter screen plate (804).

5. A leak-proof pressure swing adsorption nitrogen plant as recited in claim 2, wherein: an exhaust valve (12) is arranged on the inflation conduit (808).