CN202868312U - Air source purification drainage device - Google Patents

Air source purification drainage device Download PDF

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Publication number
CN202868312U
CN202868312U CN 201220573755 CN201220573755U CN202868312U CN 202868312 U CN202868312 U CN 202868312U CN 201220573755 CN201220573755 CN 201220573755 CN 201220573755 U CN201220573755 U CN 201220573755U CN 202868312 U CN202868312 U CN 202868312U
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CN
China
Prior art keywords
solenoid valve
valve
liquid level
manually operated
level detector
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Expired - Lifetime
Application number
CN 201220573755
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Chinese (zh)
Inventor
李国强
刘二余
吕凯
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Wuxi Huadong Power Station Automation Instrument Co ltd
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Wuxi Huadong Electric Power Automation Instrument Factory
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Priority to CN 201220573755 priority Critical patent/CN202868312U/en
Application granted granted Critical
Publication of CN202868312U publication Critical patent/CN202868312U/en
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Abstract

The utility model discloses an air source purification drainage device which comprises a main controller and at least two branch circuits. The two branch circuits are a first branch circuit and a second branch circuit; the first branch circuit comprises a first hand-operated valve, a first gas filter, a second hand-operated valve, a first magnetic valve, a first sampling barrel, a first liquid level detector and a second magnetic valve; the second branch circuit comprises a third hand-operated valve, a second gas filter, a fourth hand-operated valve, a third magnetic valve, a second sampling barrel, a second liquid level detector and a fourth magnetic valve; and the first branch circuit and the second branch circuit are identical in structure and are connected with an input/output pipeline of identical gas. Compared with a conventional air source purification drainage device, the air source purification drainage device can be adapted to various changes in operation condition and environment; when water accumulating in the pipeline reaches to a certain liquid level, the air source purification drainage device is automatically started, and water is drained immediately; meanwhile, waste water is drained, air is not exhausted in the air, and loss of an air source is reduced.

Description

A kind of gas source purification drainage means
Technical field
The utility model relates to the compressed air purifying field, relates in particular to a kind of gas source purification drainage means.
Background technique
Air control unit uses in power plant in a large number, and whether drying is understood the safe and stable operation that affect air control unit to pressurized air.Cause the situation of unit fault even shutdown to happen occasionally because of Problem On Compressed Air With Water.Though drying is processed, still can be with certain moisture in the pressurized air, and this part moisture when Various Seasonal in time and accumulation is complicated uncertainty relationship.The result of these moisture accumulation is: affect on the one hand the safety normal operation of gas equipment, and accelerate its damage; The equipment such as heavy corrosion gas holder, compressor cause vicious circle on the other hand.Therefore in order to guarantee the normal operation of air control unit, must in time discharge moisture in the pressurized air.
Generally adopt at present manual drain valve manual emission or utilize mechanical drain valve to carry out hydrophobic to the moisture in the pressurized air, but there is following shortcoming in these two kinds of hydrophobic modes: (1) is because air feed point and many with gas point, application surface is wider, drain valve is carried out manual inspection and manual drainage is consuming time, effort, and the scene is difficult to judge whether hydrophobic clean; (2) large, the poor reliability of mechanical drain valve deviation; (3) the mechanical drain valve complex structure is prone to fault and is difficult to maintenance; (4) do not possess the in-service monitoring function, can't in central station of floating dock, realize in-service monitoring, more can't with computer communication.In view of there is above-mentioned deficiency in traditional drainage pattern, the new power plant construction mode that mostly adopts programmable logic controller (PLC) (PLC) to cooperate with solenoid valve is carried out draining in recent years, but when taking the timing drainage mode, timing generally arranges by the needed shortest time of the water that is full of certain volume in the pipeline, thereby cause pumpway every the situation of too short (if the long sometimes in time draining of set of time), solenoid valve frequent movement, both reduce the life-span of solenoid valve, wasted simultaneously source of the gas.And when adopting single solenoid valve mode, clean for guaranteeing discharge of wastewater, must make solenoid valve open time enough, the drained rear pipeline of water can appear directly to the situation of empty exhaust.
The model utility content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of gas source purification drainage means, it can adapt to various operating conditionss and environmental evolution, when the ponding in detecting pipeline reaches certain liquid level, this device will start automatically, immediately draining can be guaranteed namely to drain waste water simultaneously and direct phenomenon to empty exhaust not occur again, reduces the source of the gas loss.
For reaching this purpose, the utility model by the following technical solutions:
A kind of gas source purification drainage means comprises master controller and at least two branch roads, and described two branch roads are respectively the first branch road and the second branch road; Described the first branch road comprises: the first manually operated valve, the first pneumatic filter, the second manually operated valve, the first solenoid valve, the first sampler barrel, the first liquid level detector and the second solenoid valve; Described the second branch road comprises: the 3rd manually operated valve, the second pneumatic filter, the 4th manually operated valve, the 3rd solenoid valve, the second sampler barrel, the second liquid level detector and the 4th solenoid valve; Described the first branch road is identical with the structure of the second branch road, connects the I/O pipeline of same gas;
Wherein, described the first pneumatic filter is connected with the output terminal of the first manually operated valve, the input end of the second manually operated valve and the input end of the first solenoid valve, the input end of described the first manually operated valve is connected with the input end of described I/O pipeline, the output terminal of described the second manually operated valve is connected with the output terminal of described I/O pipeline, described the first sampler barrel is connected with the output terminal of the first solenoid valve and the input end of the second solenoid valve, and described the first liquid level detector is arranged in the first sampler barrel; Described the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the first liquid level detector and the second liquid level detector all are connected with described master controller;
Described the first pneumatic filter and the second pneumatic filter are used for filtering out the moisture of I/O pipeline input gas, and output to corresponding the first sampler barrel and the second sampler barrel;
Described master controller is used for according to the first liquid level detector and the first sampler barrel of the second liquid level detector feedback and the liquid level information of the second sampler barrel, control the on off state of described the first solenoid valve, the second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve, finish drain operation.
Especially, described the first liquid level detector and the second liquid level detector are all selected float switch.
Especially, described master controller also is used for selecting Auto-drainage mode or timing drainage mode according to user's needs; Described Auto-drainage mode refers to that master controller passes through the continuous collecting to the float switch state, reach the position that needs draining in liquid level after, control the on off state of the first solenoid valve, the second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve, finish drain operation; Described timing drainage mode refers to that master controller according to the time lag of setting, when reaching the described time lag, controls the on off state of the first solenoid valve, the second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve, finishes drain operation.
Especially, described the first branch road also comprises the first blowdown valve, is connected with the output terminal of the second solenoid valve; Described the second branch road also comprises the second blowdown valve, is connected with the output terminal of the 4th electromagnetism.
Especially, described master controller comprises interconnective single-chip microcomputer and liquid crystal display (LCD).
Especially, described master controller also comprises data collector, is connected with single-chip microcomputer, is used for finishing the communication of master controller and miscellaneous equipment.
Especially, described master controller further comprises light emitting diode (LED) tutorial light, is connected with single-chip microcomputer, is used to indicate the on off state of the first solenoid valve, the second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve.
At least be provided with two branch roads in the utility model, so, in the needs inspection or when changing the pneumatic filter of one of them branch road, take the first pneumatic filter as example, then open the 3rd manually operated valve and the 4th manually operated valve, make the second branch road in running order, then close the first manually operated valve and the second manually operated valve, at this moment, just can check or change that whole inspection or Renewal process can not affect the drain operation to air to the first pneumatic filter.The first solenoid valve and the 3rd electromagnetism are in normal open state in the utility model, the second solenoid valve and the 4th solenoid valve are in often than state, when draining, master controller cuts out the first solenoid valve and the 3rd solenoid valve, open simultaneously the second solenoid valve and the 4th solenoid valve, avoid the source of the gas in the I/O pipeline direct phenomenon to empty exhaust behind drained water, to occur, thereby reduced the source of the gas loss.Simultaneously, the utility model can be selected Auto-drainage mode or timing drainage mode according to user's needs by master controller, and can adapt to various operating conditionss and environmental evolution, when the ponding in detecting pipeline reaches certain liquid level, this device will start automatically, immediately draining.
Description of drawings
The gas source purification drainage means principle assumption diagram that Fig. 1 provides for the utility model embodiment;
The wiring diagram of the gas source purification drainage means that Fig. 2 provides for the utility model embodiment.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, the utility model is described in further detail below in conjunction with drawings and Examples.
Please refer to shown in Figure 1, the gas source purification drainage means principle assumption diagram that Fig. 1 provides for the utility model embodiment.
The gas source purification drainage means comprises master controller, light emitting diode (LED) tutorial light, data collector and at least two branch roads in the present embodiment.According to the difference of purposes, the difference of drainage point quantity, can adjust flexibly the number of described branch road.Be provided with two branch roads in the present embodiment.Described two branch roads are respectively the first branch road and the second branch road; Described the first branch road comprises: the first manually operated valve DN1, the first pneumatic filter QSL1, the second manually operated valve DN2, the first solenoid valve EV1, the first sampler barrel QYT1, the first liquid level detector (not shown), the second solenoid valve EV2 and the first blowdown valve W1; Described the second branch road comprises: the 3rd manually operated valve DN3, the second pneumatic filter QSL2, the 4th manually operated valve DN4, the 3rd solenoid valve EV3, the second sampler barrel QYT2, the second liquid level detector (not shown), the 4th solenoid valve EV4 and the first blowdown valve W1.Described the first branch road is connected the I/O pipeline (not shown) of same pressurized gas with the second branch road, and has identical structure, and the annexation of corresponding element is identical.
Wherein, the output terminal of described the first pneumatic filter QSL1 and the first manually operated valve DN1, the input end of the input end of the second manually operated valve DN2 and the first solenoid valve EV1 connects, the input end of described the first manually operated valve DN1 is connected with the input end of described I/O pipeline, the output terminal of described the second manually operated valve DN2 is connected with the output terminal of described I/O pipeline, described the first sampler barrel QYT1 is connected with the output terminal of the first solenoid valve EV1 and the input end of the second solenoid valve EV2, the output terminal of the second solenoid valve EV2 is connected with the first blowdown valve W1, and described the first liquid level detector is arranged among the first sampler barrel QYT1; Described the first solenoid valve EV1, the second solenoid valve EV2 and the first liquid level detector are connected with described master controller.
Simultaneously, described the first branch road is identical with the structure of the second branch road.The output terminal of described the second pneumatic filter QSL2 and the 3rd manually operated valve DN3, the input end of the input end of the 4th manually operated valve DN4 and the 3rd solenoid valve EV3 connects, the input end of described the 3rd manually operated valve DN3 is connected with the input end of described I/O pipeline, the output terminal of described the 4th manually operated valve DN4 is connected with the output terminal of described I/O pipeline, described the second sampler barrel QYT2 is connected with the output terminal of the 3rd solenoid valve EV3 and the input end of the 4th solenoid valve EV4, the output terminal of the 4th solenoid valve EV4 is connected with the second blowdown valve W2, described the second liquid level detector is arranged among the second sampler barrel QYT2, described the 3rd solenoid valve EV3, the 4th solenoid valve EV4 and the second liquid level detector all are connected with described master controller.
Described the first manually operated valve DN1 and the second manually operated valve DN2 are used for the work of control the first branch road; When opening the first manually operated valve DN1 and the second manually operated valve DN2, the first branch road is started working.
Described the 3rd manually operated valve DN3 and the 4th manually operated valve DN4 are used for the work of control the second branch road; When opening the 3rd manually operated valve DN3 and the 4th manually operated valve DN4, the second branch road is started working.
Described the first pneumatic filter QSL1 and the second pneumatic filter QSL2 are used for filtering out the moisture of I/O pipeline input pressurized gas, and output to corresponding the first sampler barrel QYT1 and the second sampler barrel QYT2.
The first pneumatic filter QSL1 and the second filter are core component of the present utility model, not only can filter out the moisture in the pressurized gas, but also can filter out wet goods impurity particle in the pressurized gas, finish the purification to I/O pipeline input pressurized gas, clean gas is exported to pneumatic equipment the most at last.
Described the first solenoid valve EV1 and the 3rd solenoid valve EV3 are in normal open state, and moisture and impurity particle that the first pneumatic filter QSL1 and the second pneumatic filter QSL2 are leached can fully output among the first sampler barrel QYT1 and the second sampler barrel QYT2.When draining, master controller cuts out the first solenoid valve EV1 and the 3rd solenoid valve EV3, has avoided source of the gas in the I/O pipeline to occur the generation of direct phenomenon to empty exhaust behind drained water.Simultaneously, when the first solenoid valve EV1 and the 3rd solenoid valve EV3 open, the described LED light corresponding with it will be lit, and when the first solenoid valve EV1 and the 3rd solenoid valve EV3 closed, the described LED light corresponding with it extinguished.
Described the second solenoid valve EV2 and the 4th solenoid valve EV4 are in normally off, and when draining, master controller is opened the second solenoid valve EV2 and the 4th solenoid valve EV4, carry out drain operation.Simultaneously, when the second solenoid valve EV2 and the 4th solenoid valve EV4 open, the described LED light corresponding with it will be lit.
Described master controller is used for according to the first liquid level detector and the first sampler barrel QYT1 of the second liquid level detector feedback and the liquid level information of the second sampler barrel QYT2, control the on off state of described the first solenoid valve EV1, the second solenoid valve EV2, the 3rd solenoid valve EV3 and the 4th solenoid valve EV4, finish drain operation.
The first liquid level detector and the second liquid level detector are all selected float switch in the present embodiment, when the volume of water accumulation among the first sampler barrel QYT1 or the second sampler barrel QYT2 need to carry out drain operation, float switch among the first sampler barrel QYT1 or the second sampler barrel QYT2 will move, master controller is according to the state of the float switch that gathers, control the on off state of described the first solenoid valve EV1, the second solenoid valve EV2, the 3rd solenoid valve EV3 and the 4th solenoid valve EV4, finish drain operation.
Simultaneously, described master controller also is used for selecting Auto-drainage mode or timing drainage mode according to user's needs; Described Auto-drainage mode refers to that master controller passes through the continuous collecting to the float switch state, after reaching the position that needs draining in liquid level, control the on off state of the first solenoid valve EV1, the second solenoid valve EV2, the 3rd solenoid valve EV3 and the 4th solenoid valve EV4, finish drain operation; Described timing drainage mode refers to that master controller according to the time lag of setting, when reaching the described time lag, controls the on off state of the first solenoid valve EV1, the second solenoid valve EV2, the 3rd solenoid valve EV3 and the 4th solenoid valve EV4, finishes drain operation.
Main controller comprises single-chip microcomputer, data collector and liquid crystal display (LCD) in the present embodiment.Described single-chip microcomputer is for the treatment of the status information of float switch, and controls the on off state of the first solenoid valve EV1, the second solenoid valve EV2, the 3rd solenoid valve EV3 and the 4th solenoid valve EV4 according to this status information.Described data collector is generally the RS485 transceiver, be connected with single-chip microcomputer, be used for by being connected to on-the-spot RS485 bus, realize the communication with other system or equipment, in order to carry out data exchange and sharing, and in the serial communication network, all are connected to this online equipment and adopt same baud rate to carry out communication.RS485 is a kind of serial communication standard.Described liquid crystal display is used for showing relevant operation information such as the on off state of solenoid valve, the on-off times of solenoid valve etc. of this gas source purification drainage means.
As shown in Figure 2, the wiring diagram of the gas source purification drainage means that provides for the utility model embodiment of Fig. 2.The monitor rear board namely refers to the rear board of gas source purification drainage means among the figure.The equal finger line terminals of label 1-17, these tenminal blocks are positioned on the terminal row.Sensor S1 and the first solenoid valve EV1, the second solenoid valve EV2 are feedback and the output line of the first branch road.Sensor S2 and the 3rd solenoid valve EV3, the 4th solenoid valve EV4 are feedback and the output line of the second branch road.L, N are respectively through the live wire after the K switch and zero line, com refers to four common ports that are used for controlling the relay of first to fourth solenoid valve EV4, L directly is connected with live wire, E1, E2, E3, E4 connect respectively the end of first to fourth solenoid valve EV4, and the other end of described first to fourth solenoid valve EV4 directly is connected with zero line N.A+, A-, B+, B-are connected respectively on the lighting outlet of the float switch in the sampler barrel in the first branch road and the second branch road, are used for the detecting switch state.
Working procedure of the present utility model is as follows: the particles such as the water after the first pneumatic filter QSL1 and the second filter filter and impurity, through the first solenoid valve EV1 and the second solenoid valve EV2 that often opens, enter respectively in the first sampler barrel QYT1 and the second sampler barrel QYT2 and the pipeline, when the moisture accumulation certain volume need to carry out drain operation, float switch action among the first sampler barrel QYT1 and the second sampler barrel QYT2, after master controller detects this variation, close first the first solenoid valve EV1 and the 3rd solenoid valve EV3 of the first sampler barrel QYT1 and the second sample bucket upper end, so that source of the gas and extraneous isolation, then the second solenoid valve EV2 and the 4th solenoid valve EV4 that open the lower end carry out draining, drained close rapidly afterwards, and then open the first solenoid valve EV1 and the second solenoid valve EV2, the particles such as the water after the first pneumatic filter QSL1 and the second filter are filtered and impurity can continue to flow in the first sampler barrel QYT1 and the second sampler barrel QYT2 and the pipeline.
The technical solution of the utility model is by arranging at least two branch roads, in the needs inspection or when changing the pneumatic filter of one of them branch road, take the first pneumatic filter QSL1 as example, then open the 3rd manually operated valve DN3 and the 4th manually operated valve DN4, make the second branch road in running order, then close the first manually operated valve DN1 and the second manually operated valve DN2, at this moment, just can check or change that whole inspection or Renewal process can not affect the drain operation to air to the first pneumatic filter QSL1.The first solenoid valve EV1 and the 3rd electromagnetism are in normal open state in the utility model, the second solenoid valve EV2 and the 4th solenoid valve EV4 are in often than state, when draining, master controller cuts out the first solenoid valve EV1 and the 3rd solenoid valve EV3, open simultaneously the second solenoid valve EV2 and the 4th solenoid valve EV4, avoid the source of the gas in the I/O pipeline direct phenomenon to empty exhaust behind drained water, to occur, thereby reduced the source of the gas loss.Simultaneously, the utility model can be selected Auto-drainage mode or timing drainage mode according to user's needs by master controller, and can adapt to various operating conditionss and environmental evolution, when the ponding in detecting pipeline reaches certain liquid level, this device will start automatically, immediately draining.
Above-mentioned only is preferred embodiment of the present utility model and institute's application technology principle; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed in the protection domain of the present utility model.

Claims (6)

1. a gas source purification drainage means is characterized in that, comprises master controller and at least two branch roads, and described two branch roads are respectively the first branch road and the second branch road; Described the first branch road comprises: the first manually operated valve, the first pneumatic filter, the second manually operated valve, the first solenoid valve, the first sampler barrel, the first liquid level detector and the second solenoid valve; Described the second branch road comprises: the 3rd manually operated valve, the second pneumatic filter, the 4th manually operated valve, the 3rd solenoid valve, the second sampler barrel, the second liquid level detector and the 4th solenoid valve; Described the first branch road is identical with the structure of the second branch road, connects the I/O pipeline of same gas;
Wherein, described the first pneumatic filter is connected with the output terminal of the first manually operated valve, the input end of the second manually operated valve and the input end of the first solenoid valve, the input end of described the first manually operated valve is connected with the input end of described I/O pipeline, the output terminal of described the second manually operated valve is connected with the output terminal of described I/O pipeline, described the first sampler barrel is connected with the output terminal of the first solenoid valve and the input end of the second solenoid valve, and described the first liquid level detector is arranged in the first sampler barrel; Described the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the first liquid level detector and the second liquid level detector all are connected with described master controller;
Described the first pneumatic filter and the second pneumatic filter are used for filtering out the moisture of I/O pipeline input gas, and output to corresponding the first sampler barrel and the second sampler barrel;
Described master controller is used for according to the first liquid level detector and the first sampler barrel of the second liquid level detector feedback and the liquid level information of the second sampler barrel, control the on off state of described the first solenoid valve, the second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve, finish drain operation.
2. gas source purification drainage means according to claim 1 is characterized in that, described the first liquid level detector and the second liquid level detector are all selected float switch.
3. gas source purification drainage means according to claim 2 is characterized in that, described the first branch road also comprises the first blowdown valve, is connected with the output terminal of the second solenoid valve; Described the second branch road also comprises the second blowdown valve, is connected with the output terminal of the 4th electromagnetism.
4. gas source purification drainage means according to claim 3 is characterized in that, described master controller comprises interconnective single-chip microcomputer and liquid crystal display (LCD).
5. gas source purification drainage means according to claim 4 is characterized in that, described master controller also comprises data collector, is connected with single-chip microcomputer, is used for finishing the communication of master controller and miscellaneous equipment.
6. gas source purification drainage means according to claim 5, it is characterized in that, described master controller further comprises light emitting diode (LED) tutorial light, is connected with single-chip microcomputer, is used to indicate the on off state of the first solenoid valve, the second solenoid valve, the 3rd solenoid valve and the 4th solenoid valve.
CN 201220573755 2012-11-02 2012-11-02 Air source purification drainage device Expired - Lifetime CN202868312U (en)

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CN 201220573755 CN202868312U (en) 2012-11-02 2012-11-02 Air source purification drainage device

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CN 201220573755 CN202868312U (en) 2012-11-02 2012-11-02 Air source purification drainage device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927445A (en) * 2012-11-02 2013-02-13 无锡华东电站自动化仪表厂 Air source purifying draining device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927445A (en) * 2012-11-02 2013-02-13 无锡华东电站自动化仪表厂 Air source purifying draining device

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CP03 Change of name, title or address
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Address after: 214155 Lu Zhong Nan Road, Yangshan Town, Huishan District, Wuxi, Jiangsu

Patentee after: Wuxi Huadong Power Station Automation Instrument Co.,Ltd.

Address before: 214156 Wuxi District, Huishan District, Wuxi City, Jiangsu province Huadong Power Station Automation Instrument Factory

Patentee before: WUXI HUADONG ELECTRIC POWER AUTOMATION INSTR FACTORY

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CX01 Expiry of patent term

Granted publication date: 20130410