CN211949774U

CN211949774U - Positive pressure explosion-proof chemical examination workshop

Info

Publication number: CN211949774U
Application number: CN202020150947.1U
Authority: CN
Inventors: 温哲; 刘超; 李繁; 张春午; 董树杰; 冯美玉
Original assignee: Tianjin Saipan Ocean Engineering Technology Co ltd
Current assignee: Tianjin Saipan Ocean Engineering Technology Co ltd
Priority date: 2020-02-03
Filing date: 2020-02-03
Publication date: 2020-11-17
Anticipated expiration: 2030-02-03

Abstract

The utility model relates to the technical field of ocean engineering, and discloses a positive pressure explosion-proof laboratory workshop, which comprises a laboratory, an airlock room, a control room, a first partition door, a second partition door, a third partition door, an explosion-proof air conditioner and a control system; this explosion-proof laboratory workplace of malleation sets up two liang of adjacent laboratories, airlock room and control room, first wall door, second wall door and third wall door control laboratory, wall and intercommunication between airlock room and the control room, through explosion-proof air conditioner, control system and first wall door, the second wall door, the third wall door is mutually supported, can the single control laboratory reach the explosion-proof condition of malleation or control laboratory, airlock room and control room reach the explosion-proof condition of malleation simultaneously, setting up of laboratory workstation and laboratory test instrument storage cabinet has made things convenient for going on of laboratory work, and explosion-proof effectual, moreover, the steam generator is simple in structure.

Description

Positive pressure explosion-proof chemical examination workshop

Technical Field

The utility model relates to an ocean engineering technology field, concretely relates to explosion-proof chemical examination workplace of malleation.

Background

In the operation process of a drilling machine of an offshore oil exploration platform, related substances are often required to be tested on site, and because a large amount of flammable, explosive, toxic and harmful gas floats in the air on site, open fire may be generated in testing and related other activities, so that serious accidents such as combustion, explosion and the like are caused, and toxic and harmful gas may cause serious consequences such as poisoning of testing workers. In order to prevent the above situation, the test work of the offshore oil exploration platform must be performed in a specific space with an explosion-proof function, the positive pressure explosion-proof room in the prior art can basically meet the requirement, but the area for arranging the control system is completely separated from the working area to be unfavorable for the positive pressure explosion-proof treatment of the area for storing the control system, the structure is complex, meanwhile, the positive pressure explosion-proof rooms are not specially designed for the test, the problems that necessary test facilities are lacked, the internal air pressure is easily influenced by the passing of personnel, the moving and the transportation are difficult and the like exist, and the improvement space is very large.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an explosion-proof chemical examination workplace of malleation, this explosion-proof chemical examination workplace of malleation can control the atmospheric pressure that sets up control system's region betterly, makes things convenient for going on of chemical examination work, and is explosion-proof effectual, simple structure, easily transportation.

In order to achieve the above object, the present invention provides the following technical solutions:

a positive pressure explosion-proof laboratory workshop is characterized by comprising a laboratory, an airlock room, a control room, a first partition door, a second partition door, a third partition door, an explosion-proof air conditioner and a control system, wherein the laboratory, the airlock room and the control room are adjacent in pairs respectively; the first partition door is arranged between the laboratory and the airlock room, and the laboratory becomes an independent airtight space when the first partition door is closed; the second partition door is arranged between the control room and the air lock room, and the control room becomes an independent air-tight space when the second partition door is closed; the third partition door is arranged between the airlock room and the external environment, and the first partition door, the second partition door and the third partition door are closed, so that the airlock room becomes an independent airtight space; the indoor unit of the explosion-proof air conditioner is installed in the laboratory, the control system is installed in the control room, and the explosion-proof air conditioner is electrically connected with the control system.

The utility model discloses in, preferred, the lateral wall and the top of the explosion-proof chemical examination workplace of malleation are three layer construction, and the inlayer is heat preservation ceramic cotton, and the intermediate level is the rock wool, and the outer marine metal fitting-out buckle that is fire-resistant type.

The utility model discloses in, it is preferred, the explosion-proof laboratory workshop of malleation still includes the cable storehouse, the cable storehouse with laboratory, airlock room and control room gas tightness are cut off, and its top or lateral wall are provided with ventilation shutter, the off-premises station of explosion-proof air conditioner is installed in the cable storehouse.

The utility model discloses in, it is preferred, it has the ventilation export to open on the lateral wall of the explosion-proof chemical examination workplace of malleation, is equipped with air brake and fan in the ventilation export department, air brake and fan all with control system electric connection.

The utility model discloses in, it is preferred, be provided with chemical examination workstation and chemical examination instrument storage cabinet in the laboratory.

The utility model discloses in, preferred, standard container handling corner fittings is installed on the outside top of the explosion-proof chemical examination workplace of malleation.

The utility model discloses in, preferred, be provided with combustible gas detector, pressure sensor, smoke detector, temperature-sensitive detector, toxic gas detector, alarm and at least one light and an emergent explosion-proof lamp in the laboratory, all with control system electric connection.

In the utility model discloses, it is preferred, be provided with emergent emergency exits on the lateral wall of laboratory.

In the present invention, it is preferable that the side wall of the laboratory is provided with an observation window.

The utility model discloses in, preferred, the outside side of the explosion-proof chemical examination workplace of malleation is provided with steps on the ladder.

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

the utility model discloses an explosion-proof laboratory workplace of malleation sets up two double-phase neighbours' laboratory, airlock room and control room, first wall door, second wall door and third wall door control laboratory, wall and intercommunication between airlock room and the control room, through explosion-proof air conditioner, control system and first wall door, the second wall door, the third wall door is mutually supported, can the independent control laboratory reach the explosion-proof condition of malleation or control laboratory, airlock room and control room reach the explosion-proof condition of malleation simultaneously, laboratory workstation and laboratory instrument cabinet set up the going on that has made things convenient for laboratory work, and explosion-proof effectual, moreover, the steam generator is simple in structure.

Drawings

FIG. 1 is a top view of the internal structure of a positive pressure explosion proof assay chamber.

FIG. 2 is a schematic diagram of the structure of the side wall of the positive pressure explosion-proof test chamber.

FIG. 3 is a front view of a side wall of a laboratory interior viewing window.

FIG. 4 is a front view of the side wall of the laboratory interior where the test platform is located.

Fig. 5 is a front view of a side wall of the interior of the laboratory where the emergency escape door is located.

Fig. 6 is a front view of a side wall of the emergency escape door outside the laboratory.

In the drawings: 1-laboratory, 2-airlock, 3-control room, 4-first partition door, 5-second partition door, 6-third partition door, 7-explosion-proof air-conditioning indoor unit, 8-explosion-proof air-conditioning outdoor unit, 9-control system, 10-heat-preservation ceramic cotton, 11-rock wool, 12-fire-resistant marine metal outfitting buckle plate, 13-step ladder, 14-cable bin, 15 ventilation shutter, 16-air brake, 17 fan, 18-laboratory workbench, 19-laboratory instrument storage cabinet, 20-standard container lifting corner fitting, 21-emergency escape door, 22-combustible gas detector, 23-pressure sensor, 24-smoke detector, 25-temperature detector, 26-toxic gas detector, 27-alarm, 27-fire alarm, 28-lighting lamp, 29-emergency explosion-proof lamp, 30-observation window.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 6 simultaneously, a preferred embodiment of the present invention provides a positive pressure explosion-proof test workshop, which comprises a test room 1, an airlock 2, a control room 3, a first partition door 4, a second partition door 5, a third partition door 6, an indoor explosion-proof air conditioner 7, an outdoor explosion-proof air conditioner 8, a control system 9, thermal insulation ceramic wool 10, rock wool 11, a fire-proof marine metal fitting-out buckle plate 12, a footstep ladder 13, a cable chamber 14, a ventilation shutter 15, an air brake 16, a fan 17, a test workbench 18, a test instrument storage cabinet 19, a standard container handling corner fitting 20, an emergency escape door 21, a combustible gas detector 22, a pressure sensor 23, a smoke detector 24, a temperature detector 25, a toxic gas detector 26, an alarm 27, a lighting lamp 28, an emergency explosion-proof lamp 29, and an observation window 30.

In the embodiment, the four corners of the upper part of the positive pressure explosion-proof test workshop are provided with standard container handling corner fittings 20 for a loading and unloading vehicle, and the effective volume of the standard container handling corner fittings is 9000mm multiplied by 2500mm multiplied by 2630 mm. In order to ensure that the positive pressure explosion-proof test workshop can maintain no deformation under the combustion condition and reach the A-0 level standard, the inner side surface of the steel structure of the positive pressure explosion-proof test workshop is welded with supporting flat steel pipes between an upper beam and a lower beam, and the pipe distance is 1120 mm. The inner side wall and the top inner layer of the positive-pressure explosion-proof laboratory test workshop are made of heat-insulating ceramic wool 10, the thickness of the heat-insulating ceramic wool 10 on the side wall is 30mm, the thickness of the heat-insulating ceramic wool 10 on the top is 50mm, the material is good in heat-insulating property, the flame retardant property is A-60 grade, the middle layer is heat-insulating rock wool 11, the outer layer is a B0 grade fireproof marine metal outfitting buckle plate 12, the thickness of the metal outfitting buckle plate is 30mm, and the materials cannot generate harmful gas at high temperature.

The explosion-proof laboratory studio of malleation is divided into laboratory 1, airlock room 2, control room 3 and cable chamber 14, cable chamber 14 is adjacent and airtight the wall with airlock room 2 and control room 3, be provided with ventilation shutter 15 on the lateral wall of cable chamber 14, a heat dissipation and ventilation for in the cable chamber, explosion-proof air condensing units 8 is installed in cable chamber 14, with control system 9 electric connection, cable chamber 14 is provided with the door, supply the staff to handle parts such as explosion-proof air condensing units 8 and cable, outdoor and indoor cable, the refrigeration liquid pipe adopts stainless steel explosion-proof joint to carry out the gas tight connection. The air lock chamber 2 is adjacent to the control chamber 3 and is arranged on the side face of the cable bin 14, a second partition door 5 is arranged between the air lock chamber 2 and the control chamber 3, the second partition door 5 is closed, and the air lock chamber 2 and the control chamber 3 can be separated in an air-tight mode. The control system 9 is installed in the control room 3. Airlock room 2 and control room 3 are adjacent with laboratory 1, are provided with first wall door 4 between laboratory 1 and the airlock room 2, and first wall door 4 closes, and laboratory 1 can the gas tightness be cut off with airlock room 2. There is no direct communication channel between the laboratory 1 and the control room 3, and the laboratory 1 and the control room 3 can be communicated by opening the first partition door 4 and the second partition door 5. The airlock room 2 and the laboratory 1, the control room 3 and the cable chamber 14 are provided with a third partition door 6 on the non-adjacent side wall, the third partition door 6 is closed, the airlock room 2 is separated from the external environment air tightness, so that the whole positive pressure explosion-proof laboratory workshop is separated from the external environment air tightness, the third partition door 6 is opened, and the gas in the external environment can enter the airlock room 2. The first partition door 4 and the second partition door 5 can adopt watertight fireproof doors or buffer split glass doors, have good sealing structures and can furthest ensure the air isolation of a dangerous area and a safe area; the third partition door 6 adopts a watertight fireproof door (the fire rating is A-15), and can prevent external fire from entering the positive pressure explosion-proof test workshop to ensure the internal safety.

In the laboratory 1, an emergency escape door 21 (fire rating of A-15) is arranged on the side wall opposite to the first partition door 4, once a dangerous case occurs, other escape paths are blocked by fire, and workers can evacuate from the emergency escape door 21. The side wall is also provided with a ventilation outlet, the ventilation outlet is provided with an air brake 16 (the fire rating is A-60), the air brake 16 can control the communication and the partition of the laboratory 1 and the external environment, the inner side of the air brake 16 is provided with a fan 17, and the fan 17 is used for discharging redundant air inside the laboratory 1 to the external environment when the air pressure in the laboratory is too high. The externally mounted of this lateral wall has step ladder 13 for the staff climbs the top of the explosion-proof chemical examination workplace of malleation and installs, overhauls work etc.. An observation window 30 (fire rating of a-60) is provided on one side wall of the laboratory 1 perpendicular to the side wall where the emergency escape door 21 is located, for a person in the laboratory 1 to observe the situation outside the laboratory. An assay platform 18 is mounted on the side wall opposite the viewing window 30, and an assay instrument storage cabinet 19 is mounted adjacent to the side wall above the assay platform 18 and above and below the viewing window 30 for storing instruments for assays and the like. An illuminating lamp 28, an emergency explosion-proof lamp 29 and an explosion-proof indoor air conditioner 7 are arranged on the side wall above the test workbench 18. The side wall of the observation window 30 is provided with a combustible gas detector 22, a pressure sensor 23, a smoke detector 24, a temperature detector 25, a toxic gas detector 26 and an alarm 27. The explosion-proof air-conditioning indoor unit 7, the illuminating lamp 28, the emergency explosion-proof lamp 29, the combustible gas detector 22, the pressure sensor 23, the smoke detector 24, the temperature detector 25, the toxic gas detector 26 and the alarm 27 are all electrically connected with the control system 9.

The working principle is as follows:

the first partition door 4 and the second partition door 5 can be opened firstly before the positive-pressure explosion-proof laboratory workshop is put into field use, the third partition door 6 is closed, the explosion-proof air conditioner indoor unit 7 is controlled to be opened through the control system 9, the air brake 16 is closed, purified air is input into the laboratory 1, the air lock chamber 2 and the control chamber 3, the laboratory 1, the air lock chamber 2 and the control chamber 3 are all made to reach positive-pressure explosion-proof conditions, then the first partition door 4 and the second partition door 5 are closed, and the positive-pressure explosion-proof laboratory workshop is put into field use. Therefore, the gas environment in the airlock chamber 2 and the control chamber 3 is stable, and the internal explosion-proof effect is better.

After the explosion-proof air conditioner indoor unit 7 is put into field use, the explosion-proof air conditioner indoor unit operates normally, purified air is conveyed into the laboratory 1, a worker enters the laboratory 1, and the illuminating lamp 28 is turned on to perform laboratory work. The control system 9 monitors the air pressure in the laboratory 1 in real time through the pressure sensor 23, and when the real-time air pressure value is higher than or lower than a preset air pressure range, the control system controls the explosion-proof air conditioner indoor unit 7, the explosion-proof air conditioner outdoor unit 8, the air brake 16 and the fan 17 to be opened and closed to be matched with each other, so that the air in the laboratory 1 is controlled to enter and exit, and the air pressure in the laboratory 1 is recovered to a normal range. If the combustible gas detector 22 detects that the indoor comprehensive gas concentration exceeds LEL 20%, the control system 9 controls the alarm 27 to give a first-level alarm; if the combustible gas detector 22 detects that the concentration of the indoor comprehensive gas exceeds LEL 50%, the control system 9 controls the alarm 27 to perform secondary alarm, the control system 9 simultaneously cuts off the general power supply, the explosion-proof air conditioner indoor unit 7, the explosion-proof air conditioner outdoor unit 8, the air brake 16 and the fan 17 stop running, the illuminating lamp 28 is turned off, and the emergency explosion-proof lamp 29 is turned on. If the signal parameters detected by the smoke detector 24 and the temperature detector 25 exceed the limit, the control system 9 controls the alarm 27 to perform secondary alarm, meanwhile, the control system 9 cuts off the general power supply, the explosion-proof air conditioner indoor unit 7, the explosion-proof air conditioner outdoor unit 8, the air brake 16 and the fan 17 stop running, the lighting lamp 28 is turned off, and the emergency explosion-proof lamp 29 is turned on. The staff can know the dangerous situation through the alarm of alarm 27 and through the outdoor condition of observation window 30 observation in laboratory 1, can loop through first wall door 4 and third wall door 6 and leave the explosion-proof laboratory workshop of malleation in proper order, or directly leave the explosion-proof laboratory workshop of malleation from emergency escape door 21 under first wall door 4 or third wall door 6 can't pass through or emergency.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A positive pressure explosion-proof test workshop is characterized by comprising a test room, an airlock room, a control room, a first partition door, a second partition door, a third partition door, an explosion-proof air conditioner and a control system,

the laboratory, the airlock room and the control room are adjacent in pairs respectively;

the first partition door is arranged between the laboratory and the airlock room, and the laboratory becomes an independent airtight space when the first partition door is closed;

the second partition door is arranged between the control room and the air lock room, and the control room becomes an independent air-tight space when the second partition door is closed;

the third partition door is arranged between the airlock room and the external environment, and the first partition door, the second partition door and the third partition door are closed, so that the airlock room becomes an independent airtight space;

the indoor unit of the explosion-proof air conditioner is installed in the laboratory, the control system is installed in the control room, and the explosion-proof air conditioner is electrically connected with the control system.

2. The positive pressure explosion-proof chemical examination workshop according to claim 1, wherein the side wall and the top of the positive pressure explosion-proof chemical examination workshop are of a three-layer structure, the inner layer is made of heat-insulating ceramic wool, the middle layer is made of rock wool, and the outer layer is made of fire-resistant marine metal outfitting gusset plates.

3. The positive pressure explosion-proof laboratory workshop according to claim 2, further comprising a cable chamber, wherein the cable chamber is hermetically isolated from the laboratory, the airlock room and the control room, a ventilation shutter is provided on the top or the side wall of the cable chamber, and an outdoor unit of the explosion-proof air conditioner is installed in the cable chamber.

4. The positive pressure explosion-proof laboratory workshop according to claim 3, wherein a ventilation outlet is formed in the side wall of the positive pressure explosion-proof laboratory workshop, an air brake and a fan are arranged at the ventilation outlet, and the air brake and the fan are both electrically connected with the control system.

5. The explosion-proof test workshop of positive pressure of claim 4, wherein the test chamber is provided with a test bench and a test instrument storage cabinet.

6. The explosion-proof laboratory workshop of claim 5, wherein the external top end of the explosion-proof laboratory workshop is provided with standard container handling corner fittings.

7. The positive pressure explosion-proof laboratory workshop according to claim 6, wherein a combustible gas detector, a pressure sensor, a smoke detector, a temperature detector, a toxic gas detector, an alarm, at least one illuminating lamp and an emergency explosion-proof lamp are arranged in the laboratory and are electrically connected with the control system.

8. The positive pressure explosion-proof laboratory booth according to claim 7, wherein an emergency escape door is provided on a side wall of the laboratory.

9. The explosion-proof test workshop of claim 8, wherein the side wall of the test chamber is provided with a viewing window.

10. The positive pressure explosion-proof test workshop according to claim 9, wherein the external side of the positive pressure explosion-proof test workshop is provided with a step ladder.