CN210339073U

CN210339073U - Nitrogen protection device of benzene storage tank

Info

Publication number: CN210339073U
Application number: CN201921154048.2U
Authority: CN
Inventors: 佀庆超; 赵金宏; 李可传; 胡守兵; 张明
Original assignee: FUJIAN TIANCHEN YAOLONG NEW MATERIAL Ltd
Current assignee: FUJIAN TIANCHEN YAOLONG NEW MATERIAL Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-17
Anticipated expiration: 2029-07-22

Abstract

The utility model belongs to the technical field of the nitrogen seal device technique and specifically relates to a nitrogen protection device of benzene storage tank, including benzene storage tank, breather valve, seal box and outlet duct, benzene storage tank up end fixedly connected with breather valve, benzene storage tank left end face intercommunication has the nitrogen inlet valve and the feeding ball valve that distribute from top to bottom, benzene storage tank right-hand member face intercommunication has the nitrogen valve and the ejection of compact ball valve that distribute from top to bottom, the breather valve outside fixedly connected with seal box, seal box right-hand member face intercommunication has the outlet duct, the outlet duct outside fixedly connected with first check valve, the other end fixedly connected with collection device of outlet duct; the utility model discloses in through setting up collection device, first check valve and storing up the nitrogen jar, make nitrogen gas can recycle, can effectively avoid during outside air passes through the breather valve and gets into the benzene storage tank, avoid benzene and oxygen contact emergence oxidation, guarantee its security performance, have fine practical value.

Description

Nitrogen protection device of benzene storage tank

Technical Field

The utility model relates to a nitrogen seal technical field specifically is a nitrogen protection device of benzene storage tank.

Background

Benzene is a highly flammable, odorous, colorless liquid at normal temperature, can be used as an important raw material for synthetic dyes, synthetic rubbers, synthetic resins, synthetic fibers, synthetic grains, plastics, medicines, pesticides, photographic films, and petrochemical products, and is widely used as an adhesive and an industrial solvent due to its good solubility.

When the nitrogen inlet valve, the nitrogen outlet valve, the feeding ball valve and the discharging ball valve of the nitrogen sealing device of the benzene storage tank have faults, the nitrogen sealing device needs to be adjusted through a breather valve, when the pressure intensity in the benzene storage tank is too high, the pressure is relieved through the breather valve, and nitrogen loss wastes nitrogen resources in the air; when the pressure inside the benzene storage tank is too low, the pressure needs to be increased through the breather valve, the pressure is increased by sucking external air, and at the moment, the air enters the benzene storage tank to react with benzene, so that the benzene storage tank is oxidized, flammable and explosive, and has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nitrogen protection device of benzene storage tank to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a nitrogen protection device of benzene storage tank, includes benzene storage tank, breather valve, seal box and outlet duct, benzene storage tank up end fixedly connected with breather valve, benzene storage tank left end face intercommunication has the nitrogen valve and the feeding ball valve that advance that distribute about being, benzene storage tank right-hand member face intercommunication has the nitrogen valve and the ejection of compact ball valve that go out that distribute about being, breather valve outside fixedly connected with seal box, seal box right-hand member face intercommunication has the outlet duct, the first check valve of outlet duct outside fixedly connected with, outlet duct other end fixedly connected with collection device, seal box left end face fixedly connected with intake pipe, intake pipe outside fixedly connected with second check valve, intake pipe other end intercommunication has the nitrogen storage pipe.

Preferably, the collecting device comprises a collecting box, a hollow pipe, a sliding plate and a sealing ring, the hollow pipe is fixedly connected to the inner side of the collecting box, the upper end face of the hollow pipe is communicated with the outlet pipe, the compression plate and the sliding plate are slidably connected to the outer side of the hollow pipe, the compression plate and the sliding plate are vertically distributed, the springs are fixedly connected to the upper end face of the compression plate, the springs are distributed left and right, the other ends of the springs are fixedly connected to the collecting box, an output pipe is fixedly connected to the left side of the upper end.

Preferably, the outer side of the compression plate and the outer side of the sliding plate are both in sliding connection with the collecting box, a button is arranged on the right side of the spring on the left side, the upper end face of the button is fixedly connected with the collecting box, and an alarm lamp is fixedly connected to the right side of the upper end face of the collecting box.

Preferably, the lower end face of the sliding plate is fixedly connected with a sealing ring, a groove is formed in the inner side of the lower end face of the collecting box, the sealing ring is arranged in the groove, and the inner side of the sealing ring is in sealing arrangement with the hollow pipe.

Preferably, the left end face of the benzene storage tank is fixedly connected with the nitrogen inlet valve and the feeding ball valve through flanges, and the right end face of the benzene storage tank is fixedly connected with the nitrogen outlet valve and the discharging ball valve through flanges.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the collecting box, the hollow pipe, the sliding plate, the sealing ring, the compression plate, the sealing plug, the output pipe, the spring, the button and the alarm lamp, the nitrogen discharged from the benzene storage tank can be collected through the collecting box, so that the waste of resources is avoided, the nitrogen can be recycled, and the utility model has good practical value;

2. the utility model discloses set up benzene storage tank, breather valve, seal box, outlet duct, first check valve, intake pipe and second check valve, can effectively avoid the outside air to pass through during the breather valve gets into the benzene storage tank, avoid benzene and oxygen contact and take place the oxidation, guarantee the quality of benzene, guarantee its security performance, fine practical value has.

Drawings

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

fig. 2 is a schematic structural view of the collecting device of the present invention.

In the figure: 1-benzene storage tank, 2-breather valve, 3-seal box, 4-air outlet pipe, 5-first one-way valve, 6-collection device, 601-collection box, 602-hollow pipe, 603-sliding plate, 604-sealing ring, 605-compression plate, 606-sealing plug, 607-output pipe, 608-spring, 609-button, 610-alarm lamp, 7-air inlet pipe, 8-second one-way valve, 9-nitrogen storage tank, 10-nitrogen inlet valve, 11-nitrogen outlet valve, 12-feeding ball valve, 13-discharging ball valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a nitrogen protection device of benzene storage tank, includes benzene storage tank 1, breather valve 2, seal box 3 and outlet duct 4, 1 up end fixedly connected with breather valve 2 of benzene storage tank, 1 left end face intercommunication of benzene storage tank has the nitrogen valve 10 and the feed ball valve 12 of advancing that distribute from top to bottom, 1 right end face intercommunication of benzene storage tank has the nitrogen valve 11 and the ejection of compact ball valve 13 that distribute from top to bottom, 2 outside fixedly connected with seal box 3 of breather valve, 3 right end face intercommunications of seal box have outlet duct 4, the first check valve 5 of 4 outside fixedly connected with of outlet duct, 4 other end fixedly connected with collection device 6 of outlet duct, 3 left end face fixedly connected with intake pipe 7 of seal box, 7 outside fixedly connected with second check valve 8 of intake pipe, 7 other end intercommunications of intake pipe have storage nitrogen pipe 9.

The collecting device 6 comprises a collecting box 601, a hollow pipe 602, a sliding plate 603 and a sealing ring 604, the inner side of the collecting box 601 is fixedly connected with the hollow pipe 602, the upper end surface of the hollow pipe 602 is communicated with an air outlet pipe 4, the outer side of the hollow pipe 602 is slidably connected with a compression plate 605 and a sliding plate 603 which are vertically distributed, the upper end surface of the compression plate 605 is fixedly connected with a spring 608 which is horizontally distributed, the other end of the spring 608 is fixedly connected with the collecting box 601, the left side of the upper end surface of the collecting box 601 is fixedly connected with an output pipe 607, the rear end surface of the collecting box 601 is fixedly connected with a sealing plug 606, nitrogen gas can be collected by opening the sealing plug 606, the outer side of the compression plate 605 and the outer side of the sliding plate 603 are both slidably connected with the collecting box 601, the alarm lamp 610 is fixedly connected to the right side of the upper end face of the collecting box 601, people can be reminded of collecting nitrogen in time by the aid of the arrangement, nitrogen is prevented from gathering on the collecting box 601, accordingly, pressure is too high, quality of the collecting box 601 is affected, the sealing ring 604 is fixedly connected to the lower end face of the sliding plate 603, a groove is formed in the inner side of the lower end face of the collecting box 601, the sealing ring 604 is arranged in the groove, the inner side of the sealing ring 604 is in sealing arrangement with the hollow tube 602, nitrogen can be collected by the arrangement, resource waste is avoided, cost input is reduced, the left end face of the benzene storage tank 1 is fixedly connected with the nitrogen inlet valve 10 and the feeding ball valve 12 through flanges, the right end face of the benzene storage tank 1 is fixedly connected with the nitrogen outlet valve 11 and the discharging ball valve 13 through flanges, normal use of the device.

The type of the alarm lamp 610 is JD50-S, the signal of the breather valve 2 is ZZFX-10, the type of the nitrogen inlet valve 10 is ZZYP-16B, the type of the nitrogen outlet valve 11 is ZZVP-16K, the type of the feed ball valve 12 is ZSHO-16K, and the type of the discharge ball valve 13 is ZSHVE-16K.

The working process is as follows: when the device is used, a power supply is switched on, when the nitrogen inlet valve 10, the nitrogen outlet valve 11, the feed ball valve 12 and the discharge ball valve 13 of the device have faults, the breather valve 2 automatically adjusts the pressure in the benzene storage tank 1, when the pressure in the benzene storage tank 1 is high, the breather valve 2 discharges nitrogen to perform pressure relief treatment, the nitrogen enters the hollow pipe 602 in the collection tank 601 through the first one-way valve 5 and the air outlet pipe 4 and is discharged from the lower part of the hollow pipe 6002, the nitrogen gathers to press the sliding plate 603 to move upwards, the sealing ring 604 ensures that the nitrogen can press the sliding plate 603 to slide upwards, so that air above the sliding plate 603 is pressed out from the output pipe 607, when the sliding plate 603 presses the compression plate 605, the compression plate 605 presses the spring 608, when the pressure of the nitrogen in the sliding plate 603 reaches a certain value, the compression plate 605 presses the button 609, the alarm lamp 610 is lightened, so as to remind people to collect the nitrogen, the output tube 607 can realize crooked by the hose that the block rubber material constitutes, and the output tube 607 of crooked setting can avoid the dust to fall into, when benzene storage tank 1 middling pressure is less, pressurizes to benzene storage tank 1 in with the nitrogen gas suction of storing up in the nitrogen tank 9 through intake pipe 7 and second check valve 8, and the waste of nitrogen gas is avoided in this kind of setting, can not make benzene and air contact simultaneously again, guarantees its security performance, has fine practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitrogen protection device of benzene storage tank, includes benzene storage tank (1), breather valve (2), seal box (3) and outlet duct (4), its characterized in that: benzene storage tank (1) up end fixedly connected with breather valve (2), benzene storage tank (1) left end face intercommunication has nitrogen valve (10) and feeding ball valve (12) of advancing that distribute from top to bottom, benzene storage tank (1) right end face intercommunication has nitrogen valve (11) and ejection of compact ball valve (13) of going out that distribute from top to bottom, breather valve (2) outside fixedly connected with seal box (3), seal box (3) right end face intercommunication has outlet duct (4), the first check valve (5) of outlet duct (4) outside fixedly connected with, outlet duct (4) other end fixedly connected with collection device (6), seal box (3) left end face fixedly connected with intake pipe (7), intake pipe (7) outside fixedly connected with second check valve (8), intake pipe (7) other end intercommunication has nitrogen storage pipe (9).

2. The nitrogen protection device for the benzene storage tank as claimed in claim 1, wherein: collection device (6) are including collecting box (601), hollow tube (602), sliding plate (603) and sealing ring (604), the inboard fixedly connected with hollow tube (602) of collecting box (601), hollow tube (602) up end and outlet duct (4) intercommunication, hollow tube (602) outside sliding connection has compression plate (605) and sliding plate (603) that are distribution from top to bottom, the spring (608) that distribute about compression plate (605) up end fixedly connected with is, spring (608) other end and collecting box (601) fixed connection, collecting box (601) up end left side fixedly connected with output tube (607), collecting box (601) rear end fixedly connected with sealing plug (606).

3. The nitrogen protection device for the benzene storage tank as claimed in claim 2, wherein: the outer side of the compression plate (605) and the outer side of the sliding plate (603) are both in sliding connection with the collecting box (601), a button (609) is arranged on the right side of a spring (608) on the left side, the upper end face of the button (609) is fixedly connected with the collecting box (601), and an alarm lamp (610) is fixedly connected to the right side of the upper end face of the collecting box (601).

4. The nitrogen protection device for the benzene storage tank as claimed in claim 2, wherein: the lower end face of the sliding plate (603) is fixedly connected with a sealing ring (604), a groove is formed in the inner side of the lower end face of the collecting box (601), the sealing ring (604) is arranged in the groove, and the inner side of the sealing ring (604) and the hollow pipe (602) are in sealing arrangement.

5. The nitrogen protection device for the benzene storage tank as claimed in claim 1, wherein: the benzene storage tank (1) left end face all through flange and nitrogen inlet valve (10) and feeding ball valve (12) fixed connection, benzene storage tank (1) right end face all through flange and nitrogen outlet valve (11) and ejection of compact ball valve (13) fixed connection.