CN203588030U - Explosion-proof micro-positive pressure bin - Google Patents
Explosion-proof micro-positive pressure bin Download PDFInfo
- Publication number
- CN203588030U CN203588030U CN201320700860.7U CN201320700860U CN203588030U CN 203588030 U CN203588030 U CN 203588030U CN 201320700860 U CN201320700860 U CN 201320700860U CN 203588030 U CN203588030 U CN 203588030U
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- Prior art keywords
- explosion
- proof
- control box
- system control
- storehouse
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- Expired - Lifetime
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- 239000007789 gas Substances 0.000 claims abstract description 33
- 239000000523 sample Substances 0.000 claims description 19
- 238000004880 explosion Methods 0.000 claims description 12
- 239000002341 toxic gas Substances 0.000 claims description 12
- 238000004378 air conditioning Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 239000003209 petroleum derivative Substances 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 1
- 239000003345 natural gas Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 238000010926 purge Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model provides an explosion-proof micro-positive pressure bin. The explosion-proof micro-positive pressure bin comprises a safety instrument system. The safety instrument system comprises an explosion-suppression safety system control box, a second explosion-proof combustible gas detector, an explosion-proof poisonous gas detector, an explosion-proof fire detector, an explosion-proof audible-visual alarm, an air differential pressure switch, explosion-proof fireproof valves and an non-explosion-proof power supply automatic cut-off device, all of which are installed in a positive pressure area. The safety instrument system further comprises a first explosion-proof combustible gas detector and an explosion-proof signal conjunction box which are installed outside the positive pressure area and connected to the explosion-suppression safety system control box. The explosion-proof micro-positive pressure bin can be used in the explosion-proof zone 1 or the explosion-proof zone 2, such as a petroleum and natural gas area, an offshore platform or an oil extraction vessel, as an office, a laboratory or a work room; and various kinds of non-explosion-proof electrical appliances can be used safely in the micro-positive pressure bin.
Description
Technical field
The utility model relates to malleation storehouse, is specifically related to a kind of explosion-proof pressure-fired storehouse that is applied to explosion-proof 1st district and 2nd district.
Background technology
Current pressure-fired storehouse, is mainly equipment oriented, and such as malleation cabinet, it is as protecting sheathing, and corresponding non-explosion-proof electrical apparatus equipment can be installed in inside, for explosion-proof area; Adopt pure pressurized air or inert gas pressurizes to internal sweep, when pressure reaches setting value, Shuttoff Valve carries out pressurize, makes the air of explosion-proof area cannot enter shell; If pressure continues lower than secure setting, provide and report to the police and cut off inner non-antiknock device power supply.This application must guarantee that the source of gas-pressurized is safe, and can not contain any combustible gas component, and this malleation cabinet is mainly for mini-plant.
Another kind of application, as analyzer house, because on-line analysis instrument is arranged on industry spot, needs weather and environmental protection in various degree, to guarantee instrument usability and to be beneficial to maintenance.Analyzer house can meet the desired special environment condition of in-line analyzer telogenesis cover system, as temperature, humidity, dustproof and anti-explosion etc., for installing, put into operation and safeguard and provide convenience in the scene of on-line analysis instrument.Even can use non-explosion proof instrument in internal positive pressure region, if but room pressure reduces, will become hazardous location, and the non-antiknock device in all inside must turn-off, and the shutoff of on-the-spot in-line meter can have a strong impact on the production process of industry spot.Even if so in pressure-fired analyzer house, all electrical instrumentations are also generally explosion-proof.And for guaranteeing the environment for use (temperature, humidity etc.) of instrument in cabin, cabin is necessary for enclosed construction, is so just unfavorable for that operating personnel work long hours in inside.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide and a kind ofly can works in explosion-proof 1st district or 2nd district such as petroleum gas region, offshore platform or production vessel, the pressure-fired storehouse of using as office, laboratory or workplace.
For achieving the above object, the utility model is by the following technical solutions:
A kind of explosion-proof pressure-fired storehouse, comprise safety instrumented systems, described safety instrumented systems comprises flame-proof type security system control box, the second explosion-proof combustible gas probe, explosion-proof toxic gas detector, explosion-proof fire detector, explosion-proof audible-visual annunciator, air pressure difference switch, anti-explosion fire-resisting valve and the non-explosion-proof electrical source automatic disconnecting device being arranged in barotropic field, wherein
Described the second explosion-proof combustible gas probe, explosion-proof toxic gas detector, explosion-proof fire detector, explosion-proof audible-visual annunciator, air pressure difference switch, anti-explosion fire-resisting valve and non-explosion-proof electrical source the automatic disconnecting device respectively interface being arranged in described flame-proof type security system control box by are separately connected with described flame-proof type security system control box
Described safety instrumented systems also comprises and is arranged on the first explosion-proof combustible gas probe and explosion-proof signal connector outside described barotropic field and that be connected with described flame-proof type security system control box, the other end of described the first explosion-proof combustible gas probe is connected with the input end of new wind pressurization fan, the output terminal of described new wind pressurization fan is connected with barotropic field by new wind air intake opening
Described the second explosion-proof combustible gas probe is positioned at the gas lock district of barotropic field.
Further, in described flame-proof type security system control box, the first transformer is installed.
Further, in described flame-proof type security system control box, the PLC system of setting program is installed.
Further, the second transformer is installed in described barotropic field, for the non-antiknock device power supply in described barotropic field, one end of described the second transformer is connected with described flame-proof type security system control box, and the other end is connected with non-explosion-proof electrical source panel box.
Further, described explosion-proof fire detector comprises fire hand operated alarm push buttons, hygrosensor and the smoke detector connecting successively.
Further, air-conditioning system and the illuminator of being powered by non-explosion-proof electrical source is installed in described barotropic field.
Further, in described barotropic field, be provided with by described safety instrumented systems and power and be subject to the ventilation compression system of its control.
Further, every core of the turnover cable of described flame-proof type security system control box seals separately, and selects clay or mould filling type inlet wire Ge Lan.
Adopt the useful technique effect of the technical solution of the utility model to be:
(1) due to integrated security instrument system in explosion-proof pressure-fired of the present utility model storehouse, can to the air regime in pressure-fired storehouse, monitor by instrument such as explosion-proof combustible gas probe, explosion-proof toxic gas detector, explosion-proof fire detector, air pressure difference switches, and then judge that whether air regime in pressure-fired storehouse is in abnormality, when in abnormality, safety instrumented systems just provides sound and light alarm prompting immediately, and automatically cuts off non-explosion-proof electrical source; Safety instrumented systems of the present utility model is explosion-protection equipment, and all correlation detection instruments and meters are 1 district's antiknock device, can operate continually under normal or dangerous situation, continues to monitor various unsafe conditions;
(2) in pressure-fired of the present utility model storehouse, be provided with transformer, this transformer can be supported the voltage of plurality of specifications, and then adapts to the different on-the-spot different electrical power specifications of using;
(3) in pressure-fired of the present utility model storehouse, be provided with air-conditioning system and ventilation compression system, can be comfortable working environment is provided in pressure-fired storehouse;
(4) explosion-proof pressure-fired of the present utility model storehouse can work in explosion-proof 1st district or 2nd district such as petroleum gas region, offshore platform or production vessel, as office, laboratory or workplace, use the various non-explosion-proof electric apparatuses of application that can be safe in pressure-fired storehouse.
Accompanying drawing explanation
Fig. 1 is the steering logic of safety instrumented systems of the present utility model and the schematic diagram of connection;
Fig. 2 is the schematic diagram of the front panel of flame-proof type security system control box of the present utility model;
Fig. 3 is the internal layout of flame-proof type security system control box of the present utility model.
Wherein, 1 flame-proof type security system control box, 2 second explosion-proof combustible gas probes, 3 explosion-proof toxic gas detectors, 4 fire hand operated alarm push buttons, 5 hygrosensors, 6 smoke detectors, 7 first explosion-proof combustible gas probes, 8 air pressure difference switches, 9 anti-explosion fire-resisting valves, 10 gas lock districts, 11 new wind pressurization fans, 12 new wind air intake openings, 13 report to the police and mode of operation warning light, 14 inflammable gass and toxic gas display module, 15 non-explosion-proof power switchs, 16 purge by-pass switch, 17 reset-beginning switches, 18 pressurization fan shutdown switches, 19 non-explosion-proof electrical source by-pass switches, 20PLC power switch.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, integrated security instrument system in explosion-proof pressure-fired of the present utility model storehouse, this safety instrumented systems comprises the flame-proof type security system control box 1 being arranged in barotropic field, the second explosion-proof combustible gas probe 2, explosion-proof toxic gas detector 3, explosion-proof fire detector, explosion-proof audible-visual annunciator, air pressure difference switch 8, anti-explosion fire-resisting valve 9 and non-explosion-proof electrical source automatic disconnecting device, wherein, the second explosion-proof combustible gas probe 2, explosion-proof toxic gas detector 3, explosion-proof fire detector, explosion-proof audible-visual annunciator, air pressure difference switch 8, anti-explosion fire-resisting valve 9 and non-explosion-proof electrical source the automatic disconnecting device respectively interface being arranged in flame-proof type security system control box 1 by are separately connected with flame-proof type security system control box 1, the second explosion-proof combustible gas probe 2 is positioned at the gas lock district 10 of barotropic field, explosion-proof fire detector comprises fire hand operated alarm push buttons 4, hygrosensor 5 and the smoke detector 6 connecting successively, in the present embodiment, is provided with two smoke detectors 6, to detect more reliably the smoke condition in barotropic field.
This safety instrumented systems also comprises and is arranged on the first explosion-proof combustible gas probe 7 and explosion-proof signal connector outside barotropic field and that be connected with flame-proof type security system control box 1, the other end of the first explosion-proof combustible gas probe 7 is connected with the input end of new wind pressurization fan 11, whether its new wind entering in barotropic field for detection of purging contains inflammable gas, the output terminal of new wind pressurization fan 11 is connected with barotropic field by new wind air intake opening 12, for purge new wind in barotropic field, thereby guarantee that the air in barotropic field maintains slight positive pressure state.
Interior integrated the first transformer of flame-proof type security system control box 1, this first transformer can be supported the plurality of specifications voltages such as 380-415-440-480-600-690V, and power to each electric meter by corresponding Switching Power Supply, a set of PLC system that has set program is also installed in flame-proof type security system control box 1; In addition, the second transformer is installed in barotropic field, for the non-antiknock device power supply in barotropic field, one end of this second transformer is connected with flame-proof type security system control box 1, and the other end is connected with non-explosion-proof electrical source panel box.The air-conditioning system, illuminator and other consumer that are arranged in barotropic field are connected with non-explosion-proof electrical source panel box, and powered by non-explosion-proof electrical source, air-conditioning system can regulate the temperature humidity in pressure-fired storehouse, by the artificial atmosphere in pressure-fired storehouse to the state that staff is felt comfortably cool, air-conditioning system will be turn-offed under dangerous situation, in barotropic field, be also provided with ventilation compression system, it is powered by safety instrumented systems, and being subject to the control of safety instrumented systems, ventilation compression system regulates the air regime in pressure-fired storehouse together with air-conditioning system.This second transformer primary side is supported the plurality of specifications voltages such as 380-415-440-480-600-690V equally, to adapt to the different on-the-spot different electrical power specifications of using.
The non-antiknock device of flame-proof type security system control box 1 interior installation, box sealing requires strict, and incoming seal device must be guaranteed the sealing of casing.According to IEC explosion-proof criteria, when flame-proof type security system control box 1 is for explosion-proof 1st district, when the volume in flame-proof type security system control box 1 is greater than 2000 cubic centimetres, the sealing separately of every core of turnover cable, need select clay or mould filling type inlet wire Ge Lan.All cables at least should be flame retardant type cable, for the cable of safety instrumented systems, are fire safe type cable.
As shown in Figures 2 and 3, flame-proof type security system control box 1 of the present utility model comprises following configuration:
1. primary power interface (specified 750V three-phase terminal);
2. the first transformer, 1.6-2KVA, primary side can be supported the plurality of specifications voltages such as 380-415-440-480-600-690V, secondary side is output as 400-440V; The first transformer primary side has protective breaker and manual voltage to select button;
3. the operation circuit (contactor and overload relay) of new wind pressurization fan;
4. explosion-proof combustible gas probe and explosion-proof fire prober interface;
5. air pressure difference switch interface (safe isolated gate);
6. explosion-proof audible-visual annunciator interface;
7. local alarm and mode of operation warning light;
8. on front panel, there is following associative operation button/switch/handle:
Report to the police and mode of operation warning light 13; Inflammable gas and toxic gas display module 14; Non-explosion-proof power switch 15; Purge by-pass switch 16; Switch 17 resets-starts; Pressurization fan shutdown switch 18; Non-explosion-proof electrical source by-pass switch 19; PLC power switch 20.
The course of work in pressure-fired of the present utility model storehouse is as follows:
(1) during normal condition: without inflammable gas and fire alarm in the situation that, can start new wind pressurization fan, air pressure in pressure-fired storehouse at least exceeds air pressure outside pressure-fired storehouse 50 Pascals when above, start to purge timing, after the purge time (rate of ventilation based on enough) that operation is set, pressure-fired environment in pressure-fired storehouse can be considered security context, and control system points out non-explosion-proof electrical source to open, and now can start non-explosion-proof electrical source;
(2) inflammable gas and toxic gas are low gives the correct time: the alarm lamp on the panel of flame-proof type security system control box provides prompting, and activate explosion-proof audible-visual annunciator and notify the staff in pressure-fired storehouse, non-explosion-proof electrical source continued power still under this kind of state;
(3) inflammable gas and toxic gas are high gives the correct time: the alarm lamp on the panel of flame-proof type security system control box provides prompting, and activate explosion-proof audible-visual annunciator and notify the staff in pressure-fired storehouse, non-explosion-proof electrical source cuts off immediately automatically simultaneously, new wind pressurization fan is shut down, and anti-explosion fire-resisting valve is closed;
(4) when explosion-proof fire detector detects fire situation or presses fire hand operated alarm push buttons: its output of reporting to the police is activated, alarm lamp on the panel of flame-proof type security system control box provides prompting, and activate explosion-proof audible-visual annunciator and notify the staff in pressure-fired storehouse, non-explosion-proof electrical source cuts off immediately automatically simultaneously, new wind pressurization fan is shut down, and anti-explosion fire-resisting valve is closed;
(5) in pressure-fired storehouse with pressure-fired storehouse outside air pressure difference be reduced to secure setting when following:
A. continue after 10 seconds, the alarm lamp on the panel of flame-proof type security system control box provides prompting, and activates explosion-proof audible-visual annunciator and notify the staff in pressure-fired storehouse, non-explosion-proof electrical source continued power still under this kind of state; If more than 30 seconds inner air pressures return to setting value, report to the police and automatically eliminate;
B. surpass after 30 seconds; alarm lamp on the panel of flame-proof type security system control box provides prompting, and activates explosion-proof audible-visual annunciator and notify the staff in pressure-fired storehouse, and non-explosion-proof electrical source cuts off immediately automatically simultaneously; new wind pressurization fan is shut down, and anti-explosion fire-resisting valve is closed.
Safety instrumented systems of the present utility model is explosion-protection equipment, no matter works in 1st district or 2nd district, and all correlation detection instruments and meters are 1 district's antiknock device, and gas group is at least IIA, and temperature class is minimum is T3.Explosion-proof pressure-fired of the present utility model storehouse can work in explosion-proof 1st district or 2nd district such as petroleum gas region, offshore platform or production vessel, uses the various non-explosion-proof electric apparatuses of application that can be safe in pressure-fired storehouse as office, laboratory or workplace.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. an explosion-proof pressure-fired storehouse, it is characterized in that, comprise safety instrumented systems, described safety instrumented systems comprises flame-proof type security system control box, the second explosion-proof combustible gas probe, explosion-proof toxic gas detector, explosion-proof fire detector, explosion-proof audible-visual annunciator, air pressure difference switch, anti-explosion fire-resisting valve and the non-explosion-proof electrical source automatic disconnecting device being arranged in barotropic field, wherein
Described the second explosion-proof combustible gas probe, explosion-proof toxic gas detector, explosion-proof fire detector, explosion-proof audible-visual annunciator, air pressure difference switch, anti-explosion fire-resisting valve and non-explosion-proof electrical source the automatic disconnecting device respectively interface being arranged in described flame-proof type security system control box by are separately connected with described flame-proof type security system control box
Described safety instrumented systems also comprises and is arranged on the first explosion-proof combustible gas probe and explosion-proof signal connector outside described barotropic field and that be connected with described flame-proof type security system control box, the other end of described the first explosion-proof combustible gas probe is connected with the input end of new wind pressurization fan, the output terminal of described new wind pressurization fan is connected with barotropic field by new wind air intake opening
Described the second explosion-proof combustible gas probe is positioned at the gas lock district of barotropic field.
2. explosion-proof pressure-fired according to claim 1 storehouse, is characterized in that, in described flame-proof type security system control box, the first transformer is installed.
3. explosion-proof pressure-fired according to claim 2 storehouse, is characterized in that, the PLC system of setting program is installed in described flame-proof type security system control box.
4. according to the explosion-proof pressure-fired storehouse described in claim 1-3 any one, it is characterized in that, the second transformer is installed in described barotropic field, for the non-antiknock device power supply in described barotropic field, one end of described the second transformer is connected with described flame-proof type security system control box, and the other end is connected with non-explosion-proof electrical source panel box.
5. explosion-proof pressure-fired according to claim 1 storehouse, is characterized in that, described explosion-proof fire detector comprises fire hand operated alarm push buttons, hygrosensor and the smoke detector connecting successively.
6. explosion-proof pressure-fired according to claim 1 storehouse, is characterized in that, air-conditioning system and the illuminator of by non-explosion-proof electrical source, being powered are installed in described barotropic field.
7. explosion-proof pressure-fired according to claim 6 storehouse, is characterized in that, is provided with by described safety instrumented systems and powers and be subject to the ventilation compression system of its control in described barotropic field.
8. explosion-proof pressure-fired according to claim 1 storehouse, is characterized in that, every core of the turnover cable of described flame-proof type security system control box seals separately, and selects clay or mould filling type inlet wire Ge Lan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700860.7U CN203588030U (en) | 2013-11-07 | 2013-11-07 | Explosion-proof micro-positive pressure bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700860.7U CN203588030U (en) | 2013-11-07 | 2013-11-07 | Explosion-proof micro-positive pressure bin |
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| Publication Number | Publication Date |
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| CN203588030U true CN203588030U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700860.7U Expired - Lifetime CN203588030U (en) | 2013-11-07 | 2013-11-07 | Explosion-proof micro-positive pressure bin |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631191A (en) * | 2013-11-07 | 2014-03-12 | 太仓莫迪思能源工程有限公司 | Explosive-proof micro-positive-pressure cabin |
| CN111535625A (en) * | 2020-05-13 | 2020-08-14 | 南京航空航天大学 | Fireproof and antiknock capsule laboratory |
-
2013
- 2013-11-07 CN CN201320700860.7U patent/CN203588030U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631191A (en) * | 2013-11-07 | 2014-03-12 | 太仓莫迪思能源工程有限公司 | Explosive-proof micro-positive-pressure cabin |
| CN111535625A (en) * | 2020-05-13 | 2020-08-14 | 南京航空航天大学 | Fireproof and antiknock capsule laboratory |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160721 Address after: 201901 Building 2, building 2121, 2-3 Yang Yang Road, Shanghai, Baoshan District Patentee after: SINGAMAS CONTAINER HOLDINGS (SHANGHAI)LIMITED Address before: 215400 No. 16, Wuxi Road, Taicang Economic Development Zone, Jiangsu, Suzhou Patentee before: TAICANG MODEX ENERGY ENGINEERING LTD. |
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| CP03 | Change of name, title or address |
Address after: 201900 Building 2, building 2121, 2-3 Yang Yang Road, Shanghai, Baoshan District Patentee after: Shanghai Huanyu Logistics Technology Co.,Ltd. Address before: 201901 Building 2, building 2121, 2-3 Yang Yang Road, Shanghai, Baoshan District Patentee before: SINGAMAS CONTAINER HOLDINGS (SHANGHAI)LIMITED |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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| CX01 | Expiry of patent term |