CN202598113U - System pressure adjusting device of double-membrane gas holder - Google Patents
System pressure adjusting device of double-membrane gas holder Download PDFInfo
- Publication number
- CN202598113U CN202598113U CN 201220246186 CN201220246186U CN202598113U CN 202598113 U CN202598113 U CN 202598113U CN 201220246186 CN201220246186 CN 201220246186 CN 201220246186 U CN201220246186 U CN 201220246186U CN 202598113 U CN202598113 U CN 202598113U
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- pressure
- regulating tank
- pressure regulating
- system pressure
- outlet pipe
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Abstract
The utility model discloses a system pressure adjusting device of a double-membrane gas holder. The system pressure adjusting device of the double-membrane gas holder comprises the double-membrane gas holder, wherein the double-membrane gas holder is communicated with a fan through a gas outlet pipe; the gas outlet pipe is provided with a gas outlet valve for controlling connection and disconnection of a pipeline; the system pressure adjusting device is characterized in that the gas outlet pipe is provided with a branch pipeline; the branch pipeline is provided with a pressure adjusting tank for adjusting system pressure of the gas holder, and is provided with a differential pressure transmitter and a pressure relief valve which is communicated with the differential pressure transmitter through an auxiliary pipeline; the differential pressure transmitter and the pressure relief valve are electrically connected with a controller; the controller is also electrically connected with the fan and the gas outlet valve and is used for controlling opening and closing of the pressure relief valve, the fan and the gas outlet valve; the pressure adjusting tank is provided with a pressure relief pipe; a balancing pipe for balancing negative pressure in the double-membrane gas holder is also arranged in the pressure adjusting tank; a partition plate is arranged in the pressure adjusting tank and is used for partitioning cavity of the adjusting tank into an upper chamber and a lower chamber; liquid is held in the lower chamber; a gas outlet of the branch pipeline extends into the lower chamber; a gas inlet of the pressure relief pipe is positioned in the upper chamber; the partition plate is provided with an exhaust pipe of which the bottom end is immersed into liquid in the lower chamber; and the upper end of the exhaust pipe runs through the upper chamber. According to the device, the system pressure of the double-membrane gas holder can be adjusted well, normal pressure during operation of the device can be guaranteed, and therefore safe operation of the device is realized.
Description
Technical field
The utility model relates to a kind of pair of film Holder System pressure regulator.
Background technique
Two film gas holders are the special devices that store biogas in present biogas engineering and the sewage treatment project.When system's usefulness gas load is low, because biogas is supplied with in the fermentation that anaerobic fermentation tank continues, can cause gas holder pressure to raise, when system pressure surpasses specified value, can bring hidden danger to the safe operation of two film gas holders.Therefore, need in time to drain unnecessary pressure.Simultaneously, when in the air supply system during the continual air feed of booster fan, because the timely air feed of biogas fermentation can cause air feed not enough, can be when serious because the continuous firing of booster fan cause gas holder negative pressure to occur, the security of operation of same entail dangers to pair film gas holders.Do not have at present the special device that carries out positive negative pressure adjusting to two film gas holders, guarantee the safe operation of gas holder.
Summary of the invention
The technical problem that the utility model will solve provides a kind of system pressure that can regulate two film gas holders, makes two film Holder System pressure regulators of its normal operation.
For solving the problems of the technologies described above; The utility model comprises two film gas holders, and two film gas holders are communicated with blower fan through steam outlet pipe, and the gas outlet valve of pilot line break-make is installed on the steam outlet pipe; It is characterized in that steam outlet pipe is provided with branch line; The pressure regulating tank that is used to regulate Holder System pressure is installed on the branch line, the Decompression valves that branch line is provided with differential pressure transmitter and is communicated with it through auxilliary pipeline, differential pressure transmitter and Decompression valves are electrically connected with controller respectively; Controller also is electrically connected with blower fan, gas outlet valve, the switch of controller control Decompression valves, blower fan and gas outlet valve; The pressure regulating tank is provided with relief tube, also is provided with the balance tube that is used for the two film gas holder negative pressure of balance in the pressure regulating tank; Pressure regulating tank inside is provided with dividing plate, and dividing plate is divided into upper chamber and lower chambers with pressure regulating tank inner chamber, and bottom chamber is equipped with liquid; Lower chambers is stretched in the air outlet of branch line, and the suction port of relief tube is positioned at upper chamber, and dividing plate is provided with the submerge outlet pipe of bottom chamber liquid of its bottom, and the outlet pipe upper end connects with upper chamber.
After adopting said structure; When two film Holder System pressure surpass specified value; Differential pressure transmitter outputs signal to controller; Controller is controlled Decompression valves automatically and is opened pressure release, and while pressure regulating tank inner high voltage gas breaks through liquid resistance discharges from relief tube through outlet pipe entering upper chamber, makes the pressure in two film gas holders reduce to specified value; When two film Holder System pressure are lower than certain value; Controller control is automatically closed the gas outlet valve and the blower fan of two film gas holders; Simultaneously Decompression valves is opened; System can fall negative-pressure balancing through Decompression valves and balance tube suck air, and inhaled air is disposed to the safe mixed gas limit when equipment starts once more, guarantees equipment operation safety.This device can well be regulated the system pressure of two film gas holders, and pressure is normal when guaranteeing its operation, thereby makes its safe operation.
Said balance tube is a U type pipe, and its left Zhi Shangduan stretches out pressure and regulates tank level, and right Zhi Shangduan stretches out the pressure regulating tank, and the liquid that is used for fluid-tight is housed in the balance tube.
Said pressure regulating tank comprises upper tank body and the lower tank that connects as one through flange, at upper tank body and lower tank joint dividing plate is installed, and makes things convenient for the installation of equipment.
Liquid height is consistent with the bottom chamber liquid height in the said outlet pipe bottom liquid that submerges, balance tube, the required pressure of assurance fluid-tight.
Said pressure regulating tank is provided with level meter, can conveniently observe the liquid level that pressure is regulated pot liquid, and then guarantees equipment safety operation.
The pressure gauge of measuring lower chambers pressure is installed on the said pressure regulating tank, is convenient to viewing system pressure.
Said pressure gauge is a capsule pressure gauge, measures precisely.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of pressure regulating tank;
Fig. 3 is the plan view of pressure regulating tank;
The schematic representation that Fig. 4 analyses and observe along the A-A line for pressure regulating tank upper tank body;
The schematic representation that Fig. 5 analyses and observe along the B-B line for pressure regulating tank upper tank body.
Embodiment
Extremely shown in Figure 5 like Fig. 1; Two film Holder System pressure regulators comprise two film gas holders 15, and two film gas holders 15 are communicated with blower fan 17 through steam outlet pipe 16, and the gas outlet valve 18 and flame trap 19 of pilot line break-make is installed on the steam outlet pipe 16; Steam outlet pipe 16 is provided with branch line 1; The pressure regulating tank 2 that is used to regulate gas holder 15 system pressures is installed on the branch line 1, the Decompression valves 5 that branch line 1 is provided with differential pressure transmitter 3 and is communicated with it through auxilliary pipeline 4, differential pressure transmitter 3 is electrically connected with controller respectively with Decompression valves 5; Controller also is electrically connected with blower fan 17, gas outlet valve 18; Wherein Decompression valves 5 is solenoid valve with gas outlet valve 18, and the controller of this device is the PLC controller, the switch of the control of PLC controller Decompression valves 5, blower fan 17 and gas outlet valve 18; Pressure regulating tank 2 is provided with relief tube 6, also is provided with the balance tube 7 that is used for the two film gas holder negative pressure of balance in the pressure regulating tank 2; Pressure regulating tank 2 inside are provided with dividing plate 8, and dividing plate 8 is divided into upper chamber 21 and lower chambers 22 with pressure regulating tank 2 inner chambers, are equipped with in the lower chambers 22 not only to can be used as fluid-tight but also be used for antifreeze liquid, and liquid can add from the filling opening 13 of pressure regulating tank 2 tops here; Lower chambers 22 is stretched in the air outlet of branch line 1, and the suction port of relief tube 6 is positioned at upper chamber 21, and dividing plate 8 is provided with the submerge outlet pipe 9 of liquid in the lower chambers 22 of its bottom, outlet pipe 9 upper ends and upper chamber's 21 perforations, and outlet pipe 9 bottoms are provided with exhaust port 14.Balance tube 7 is a U type pipe, and its left Zhi Shangduan stretches out liquid level in the pressure regulating tank 2, and right Zhi Shangduan stretches out pressure regulating tank 2, and in the balance tube 7 liquid that is used for fluid-tight is housed.The outlet pipe 9 bottoms liquid 200mm that submerges, in the balance tube 7 in liquid heights and the lower chambers 22 liquid heights consistent, the required pressure of assurance fluid-tight.
Pressure regulating tank 2 comprises the upper tank body 221 and lower tank 222 that connects as one through flange 10, in upper tank body 221 and lower tank 222 joints dividing plate 8 is installed, and makes things convenient for the installation of equipment.Pressure regulating tank 2 is provided with level meter 11, can conveniently observe the liquid level that pressure is regulated pot liquid, and then guarantees equipment safety operation.Pressure regulating tank 2 tops are equipped with the pressure gauge 12 of measuring lower chambers 22 pressure, and pressure gauge 12 is convenient to viewing system pressure for measuring capsule pressure gauge accurately.The system pressure of two film gas holders is-300Pa～2000Pa to make two film gas holder safe operations.
When two film Holder System pressure surpass 2000Pa; Differential pressure transmitter 3 outputs signal to the PLC controller; The PLC controller is controlled Decompression valves 5 automatically and is opened pressure release; While pressure regulating tank 2 inner high voltage gases break through liquid resistance and get into upper chamber 21 from relief tube 6 discharges through outlet pipe 9, make the interior pressure of two film gas holders reduce to 2000Pa; When two film Holder System pressure be lower than-during 300Pa; PLC controller control is automatically closed gas outlet valve 18 and blower fan 17; Simultaneously Decompression valves 5 is opened, system can fall negative-pressure balancing through Decompression valves 5 and balance tube 7 suck air, and the liquid height in the balance tube 7 is controlled at specified value all the time; Inhaled air is disposed to the safe mixed gas limit when equipment starts once more, guarantee equipment operation safety.This device can well be regulated the system pressure of two film gas holders 15, and pressure is normal when guaranteeing its operation, thereby makes its safe operation.
Claims (7)
1. two film Holder System pressure regulator; Comprise two film gas holders (15); Two film gas holders (15) are communicated with blower fan (17) through steam outlet pipe (16); The gas outlet valve (18) of pilot line break-make is installed on the steam outlet pipe (16), it is characterized in that steam outlet pipe (16) is provided with branch line (1), the pressure regulating tank (2) that is used to regulate gas holder (15) system pressure is installed on the branch line (1); The Decompression valves (5) that branch line (1) is provided with differential pressure transmitter (3) and is communicated with it through auxilliary pipeline (4); Differential pressure transmitter (3) and Decompression valves (5) are electrically connected with controller respectively, and controller also is electrically connected with blower fan (17), gas outlet valve (18), the switch of controller control Decompression valves (5), blower fan (17) and gas outlet valve (18); Pressure regulating tank (2) is provided with relief tube (6), also is provided with the balance tube (7) that is used for the two film gas holder negative pressure of balance in the pressure regulating tank (2); Pressure regulating tank (2) inside is provided with dividing plate (8), and dividing plate (8) is divided into upper chamber (21) and lower chambers (22) with pressure regulating tank (2) inner chamber, and lower chambers is equipped with liquid in (22); Lower chambers (22) is stretched in the air outlet of branch line (1); The suction port of relief tube (6) is positioned at upper chamber (21); Dividing plate (8) is provided with the submerge outlet pipe (9) of the interior liquid of lower chambers (22) of its bottom, and outlet pipe (9) upper end connects with upper chamber (21).
2. according to claim 1 pair of film Holder System pressure regulator; It is characterized in that said balance tube (7) is a U type pipe; Its left Zhi Shangduan stretches out the interior liquid level of pressure regulating tank (2), and right Zhi Shangduan stretches out pressure regulating tank (2), and in the balance tube (7) liquid that is used for fluid-tight is housed.
3. according to claim 1 pair of film Holder System pressure regulator; It is characterized in that said pressure regulating tank (2) comprises upper tank body (221) and the lower tank (222) that connects as one through flange (10), is equipped with dividing plate (8) at upper tank body (221) and lower tank (222) joint.
4. according to each described pair of film Holder System pressure regulator of claim 1 to 3, it is characterized in that said outlet pipe (9) the bottom liquid that submerges, the interior liquid height of balance tube (7) is consistent with the interior liquid height of lower chambers (22).
5. according to claim 4 pair of film Holder System pressure regulator is characterized in that said pressure regulating tank (2) is provided with level meter (11).
6. according to claim 5 pair of film Holder System pressure regulator is characterized in that being equipped with on the said pressure regulating tank (2) pressure gauge (12) of measuring lower chambers (22) pressure.
7. according to claim 6 pair of film Holder System pressure regulator is characterized in that said pressure gauge (12) is a capsule pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220246186 CN202598113U (en) | 2012-05-29 | 2012-05-29 | System pressure adjusting device of double-membrane gas holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220246186 CN202598113U (en) | 2012-05-29 | 2012-05-29 | System pressure adjusting device of double-membrane gas holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202598113U true CN202598113U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220246186 Expired - Fee Related CN202598113U (en) | 2012-05-29 | 2012-05-29 | System pressure adjusting device of double-membrane gas holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202598113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728593A (en) * | 2015-03-31 | 2015-06-24 | 北京首钢股份有限公司 | Gas cabinet position adjusting system |
| TWI490462B (en) * | 2013-04-30 | 2015-07-01 | Mks Instr Inc | Mems pressure sensors with integrated baffles |
| CN107524909A (en) * | 2017-05-09 | 2017-12-29 | 赣州团团科技有限公司 | A kind of multifunctional marsh gas container |
-
2012
- 2012-05-29 CN CN 201220246186 patent/CN202598113U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI490462B (en) * | 2013-04-30 | 2015-07-01 | Mks Instr Inc | Mems pressure sensors with integrated baffles |
| US10107315B2 (en) | 2013-04-30 | 2018-10-23 | Mks Instruments, Inc. | MEMS pressure sensors with integrated baffles |
| CN104728593A (en) * | 2015-03-31 | 2015-06-24 | 北京首钢股份有限公司 | Gas cabinet position adjusting system |
| CN107524909A (en) * | 2017-05-09 | 2017-12-29 | 赣州团团科技有限公司 | A kind of multifunctional marsh gas container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG MINGSHUO NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: WEIFANG MINGSHUO ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 262601 Yang Industry Park, Linqu County, Shandong, Weifang Patentee after: Shandong Mingshuo New Energy Technology Co., Ltd. Address before: 262601 Yang Industry Park, Linqu County, Shandong, Weifang Patentee before: Weifang Mingshuo Environmental Protection Equipment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |