CN207118169U - Positive pressure anti-explosion controlling cubicle - Google Patents
Positive pressure anti-explosion controlling cubicle Download PDFInfo
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- CN207118169U CN207118169U CN201721158642.XU CN201721158642U CN207118169U CN 207118169 U CN207118169 U CN 207118169U CN 201721158642 U CN201721158642 U CN 201721158642U CN 207118169 U CN207118169 U CN 207118169U
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- cabinet
- explosion
- pressure
- choke valve
- pressure switch
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Abstract
Positive pressure anti-explosion controlling cubicle of the present utility model, it is related to antiknock device technical field, it is by cabinet, main cavity component element, explosion-proof solenoid valve, choke valve and pressure switch are formed, the main cabinet of cabinet is by electric chamber, electric chamber cabinet door, wire connection cavity and wiring chamber door composition, there is component element in electric intracavitary portion, there are indicator lamp groups and button groups in electric chamber cabinet door, there is auxiliary box body cabinet door on the secondary cabinet of cabinet, cabinet inlet end is sequentially connected explosion-proof solenoid valve I, multistage oil and water filters and choke valve I, the discouraged end of cabinet is sequentially connected choke valve II and explosion-proof solenoid valve II, pressure switch I, pressure switch II, pressure switch III and pressure gauge are connected with cabinet pipeline, explosion-proof control box and choke valve I, choke valve II, indicator lamp groups connect with button groups circuit.The utility model has wide range of applications, and it utilizes the passivity and stability of inert gas, is filled into switch board, while cabinet internal pressure is consistently greater than atmospheric pressure, and then ensures the electric operation in switch board.
Description
Technical field
It the utility model is related to antiknock device technical field, more particularly to a kind of positive pressure anti-explosion controlling cubicle.
Background technology
Inflammable and explosive grade escaping gas content in the manufacturing enterprises such as petrochemical industry, working environment is higher, these gas
Once Lighting-blast casualty easily occurs for body contact sparking, therefore avoids placement from producing pyrophoric equipment as far as possible in workshop, but
Because production needs some switch boards to be necessarily placed in the danger zone of these explosive gas atmospheres, and existing explosion-proof set
Standby mostly INCREASEDSAFETY, although it is applied to many antiknock devices, the hazardous area scope that it is applied is smaller, while does not also apply to
The equipment that spark or electric arc are produced under normal operation, it is therefore desirable to which one kind has a wide range of application, and is adapted to explosive gas ring
The explosion-proof control box in border.
Utility model content
The utility model is for above-mentioned the deficiencies in the prior art, there is provided a kind of positive pressure anti-explosion controlling cubicle.
Positive pressure anti-explosion controlling cubicle of the present utility model, it is by cabinet, main cavity component element, explosion-proof solenoid valve, throttling
Valve and pressure switch are formed, and described cabinet is enclosed construction, and cabinet is made up of main cabinet and secondary cabinet, and main cabinet is interior, it
Top is electric chamber, bottom is wire connection cavity, and electric intracavitary portion is provided with component element, and electric chamber is provided with electric chamber cabinet door, electrically
Chamber cabinet door is provided with indicator lamp groups and button groups, and wire connection cavity is provided with wiring chamber door, and secondary cabinet is provided with auxiliary box body cabinet door, secondary cabinet
The inside of body is provided with multistage oil and water filters, pressure switch I, pressure switch II, pressure switch III, pressure gauge, explosion-proof solenoid valve
Ith, explosion-proof solenoid valve II, choke valve I, choke valve II and explosion-proof control box, the inlet end of described cabinet are sequentially connected anti-explosion electric
Magnet valve I, multistage oil and water filters and choke valve I, the discouraged end of cabinet are sequentially connected choke valve II and explosion-proof solenoid valve II, pressure
Switch I, pressure switch II, pressure switch III and pressure gauge are connected with cabinet pipeline, explosion-proof control box and choke valve I, throttling
Valve II, indicator lamp groups connect with button groups circuit.
As further improvement of the utility model, described auxiliary box body cabinet door is provided with windowpane, the position of windowpane
It is corresponding with the position of pressure gauge.
As further improvement of the utility model, the top of described cabinet is provided with alarm, alarm and explosion-proof control
Case circuit connection processed.
Positive pressure anti-explosion controlling cubicle of the present utility model, available for the A of explosive gas mixture II, II B, II C classes
T1~T4 groups, 1st area, the hazardous area in 2nd area use, it is possible to use in 22nd area of combustible dust environment, it mainly utilizes inertia
The passivity and stability of gas, are filled into switch board, while the gas pressure inside switch board body, make cabinet internal pressure
Consistently greater than atmospheric pressure, and then ensure the electric operation in switch board.
Brief description of the drawings
Fig. 1 is the utility model internal structure schematic diagram；
Fig. 2 is the utility model top view；
Fig. 3 is the utility model A-A to sectional view；
Fig. 4 is the utility model external structure schematic diagram；
Fig. 5 is that the utility model pipeline connects block diagram.
Embodiment
It is by cabinet 1, main cavity component element 2, explosion-proof as shown in figure 1, positive pressure anti-explosion controlling cubicle of the present utility model
Magnetic valve, choke valve and pressure switch are formed, and described cabinet 1 is enclosed construction, and the top of described cabinet 1 is provided with alarm
23, cabinet 1 is made up of main cabinet 3 and secondary cabinet 4, and main cabinet 3 is interior, its top is electric chamber 5, bottom is wire connection cavity 6, electrically
The inside of chamber 5 is provided with component element 2, and electric chamber 5 is provided with electric chamber cabinet door 7, and electric chamber cabinet door 7 is provided with indicator lamp groups 8 and pressed
Button group 21, wire connection cavity 6 are provided with wiring chamber door 9, and secondary cabinet 4 is provided with auxiliary box body cabinet door 20, in described auxiliary box body cabinet door 20
Provided with windowpane 22, the position of windowpane 22 is corresponding with the position of pressure gauge 14；The inside of secondary cabinet 4 is provided with multistage profit mistake
Filter 10, pressure switch I 11, pressure switch II 12, pressure switch III 13, pressure gauge 14, explosion-proof solenoid valve I 15, explosion-proof electromagnetic
Valve II 16, choke valve I 17, choke valve II 18 and explosion-proof control box 19（Such as Fig. 2 and Fig. 3）, the inlet end of described cabinet 1 is successively
Connection explosion-proof solenoid valve I 15, multistage oil and water filters 10 and choke valve I 17, the discouraged end of cabinet 1 are sequentially connected choke valve II 18
With explosion-proof solenoid valve II 16, pressure switch I 11, pressure switch II 12, pressure switch III 13 and pressure gauge 14 with the pipeline of cabinet 1
Connection, explosion-proof control box 19 are connected with choke valve I 17, choke valve II 18, indicator lamp groups 8, button groups 21 and the circuit of alarm 23.
Wherein, explosion-proof control box 19 is prior art, for according to control explosion-proof solenoid valve I 15 and explosion-proof solenoid valve II 16
Switch, while pressure and facilities can be reacted in indicator lamp groups 8 and button groups 21；Choke valve I 17 and choke valve
II 18, for controlling the switch of air-flow manually；Multistage oil and water filters 10, for filtering the impurity such as Oil in circulating gas water；Anti-explosion electric
Magnet valve I 15 and explosion-proof solenoid valve II 16, for automatically controlling the switch of source of the gas；Pressure switch I 11, pressure switch II 12 and pressure
III 13 are switched, for controlling the working condition of explosion-proof solenoid valve；Pressure gauge 14 is used for air pressure in display case.
Cabinet 1 is enclosed construction, its internal operating pressure is 70~300Pa；During work, predeterminable threshold pression is
63Pa, power-off pressure are 50Pa, pressure upper limit 300Pa, when pressure is less than the threshold pression 63Pa set in cabinet 1, pressure
The work of power switch I 11, system alarm, source of the gas is to carrying out ftercompction in cabinet；When pressure is less than the power-off pressure 50Pa of setting in cabinet 1
When, pressure switch II 12 works, system shutdown power supply；As the pressure upper limit 300Pa of the high setting of pressure in cabinet 1, pressure is opened
III 13 work are closed, system opens vent valves and pressure release is exhausted.
Claims (3)
1. positive pressure anti-explosion controlling cubicle, it is by cabinet（1）, main cavity component element（2）, explosion-proof solenoid valve, choke valve and pressure
Switch is formed, it is characterised in that described cabinet（1）For enclosed construction, cabinet（1）It is by main cabinet（3）With secondary cabinet（4）Structure
Into main cabinet（3）Interior, its top is electric chamber（5）, bottom be wire connection cavity（6）, electric chamber（5）Inside is provided with component element
（2）, electric chamber（5）It is provided with electric chamber cabinet door（7）, electric chamber cabinet door（7）It is provided with indicator lamp groups（8）And button groups（21）,
Wire connection cavity（6）It is provided with wiring chamber door（9）, secondary cabinet（4）It is provided with auxiliary box body cabinet door（20）, secondary cabinet（4）Inside be provided with
Multistage oil and water filters（10）, pressure switch I（11）, pressure switch II（12）, pressure switch III（13）, pressure gauge（14）, it is anti-
Quick-fried magnetic valve I（15）, explosion-proof solenoid valve II（16）, choke valve I（17）, choke valve II（18）And explosion-proof control box（19）, it is described
Cabinet（1）Inlet end be sequentially connected explosion-proof solenoid valve I（15）, multistage oil and water filters（10）With choke valve I（17）, cabinet
（1）Discouraged end be sequentially connected choke valve II（18）With explosion-proof solenoid valve II（16）, pressure switch I（11）, pressure switch II
（12）, pressure switch III（13）And pressure gauge（14）And cabinet（1）Pipeline connects, explosion-proof control box（19）With choke valve I
（17）, choke valve II（18）, indicator lamp groups（8）And button groups（21）Circuit connects.
2. positive pressure anti-explosion controlling cubicle as claimed in claim 1, it is characterised in that auxiliary box body cabinet door（20）It is provided with windowpane
（22）, windowpane（22）Position and pressure gauge（14）Position it is corresponding.
3. positive pressure anti-explosion controlling cubicle as claimed in claim 1, it is characterised in that cabinet（1）Top be provided with alarm
（23）, alarm（23）With explosion-proof control box（19）Circuit connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158642.XU CN207118169U (en) | 2017-09-11 | 2017-09-11 | Positive pressure anti-explosion controlling cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158642.XU CN207118169U (en) | 2017-09-11 | 2017-09-11 | Positive pressure anti-explosion controlling cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207118169U true CN207118169U (en) | 2018-03-16 |
Family
ID=61587167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158642.XU Active CN207118169U (en) | 2017-09-11 | 2017-09-11 | Positive pressure anti-explosion controlling cubicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207118169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645875A (en) * | 2017-09-11 | 2018-01-30 | 大庆宏富来电气设备制造有限公司 | Positive pressure anti-explosion controlling cubicle |
-
2017
- 2017-09-11 CN CN201721158642.XU patent/CN207118169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645875A (en) * | 2017-09-11 | 2018-01-30 | 大庆宏富来电气设备制造有限公司 | Positive pressure anti-explosion controlling cubicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 163414 Tieren industrial demonstration zone, Honggang District, Daqing City, Heilongjiang Province Patentee after: Daqing hengchi Electric Co.,Ltd. Address before: 163414 Tieren industrial demonstration zone, Honggang District, Daqing City, Heilongjiang Province Patentee before: DAQING HONGFULAI ELECTRICAL EQUIPMENT MANUFACTURING Co.,Ltd. |