CN86208031U - Low level automatic water feeding unit with stable pressure - Google Patents
Low level automatic water feeding unit with stable pressure Download PDFInfo
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- CN86208031U CN86208031U CN 86208031 CN86208031U CN86208031U CN 86208031 U CN86208031 U CN 86208031U CN 86208031 CN86208031 CN 86208031 CN 86208031 U CN86208031 U CN 86208031U CN 86208031 U CN86208031 U CN 86208031U
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- water
- pressure
- water feeding
- automatic water
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Abstract
The utility model discloses a low level automatic water feeding unit with stable pressure in heating network system. The low level automatic water feeding unit with stable pressure can be used instead of high level expansion water tanks widely adopted at present. The manually-operated water feeding of a pump body is changed into automatic water feeding via the low level automatic water feeding unit with stable pressure, the high level expansion water tanks are changed into low level expansion water tanks, and the water feeding of the pump with large pressure difference is changed into the water feeding of the pump with stable pressure close to constant pressure. The low level automatic water feeding unit with stable pressure is mainly characterized in that the water tank for feeding water is a water tank with an automatic water feeding control system and an automatic gas feeding control system, labor management is canceled, the water tank needs not to be built at the top end of a heat network, the cost of the low level automatic water feeding unit with stable pressure is lowered 60 %, water feeding pressure value is 0.5-0.7 kg / cm + [2], and the low level automatic water feeding unit with stable pressure conforms to national relevant regulations and has good economical efficiency.
Description
The utility model is the required automatic water-replenishing device of boiler in the heat network system, and it can replace at present the widely high expansion water box of employing.
The present high expansion water box that adopts of boiler replenishing water need be installed in the most significant end of heat network system, and cost generally is to be contained in the water tank room than higher, is fitted together with the water tank of building.In addition, this high expansion water box can not be directly to boiler replenishing water, but by the pump on ground water is extracted out in the demineralized water water tank, injects boiler.This water tank can only can not be made replenishing water tank of water as the expansion water storage.Owing to be, go out pump pressure and be greater than 3Kg/Cm by the pump moisturizing of drawing water
2, this does not meet the requirement of national heat supply network boiler replenishing water, and regulation boiler replenishing water pressure is less than 1Kg/Cm
2, at present the high expansion water box that adopts does not all meet, if accomplish up to specificationly, then need manually adhere to monitoring, and with long-time low pressure moisturizing, the increasing use cost.
The purpose of this utility model is that to change the moisturizing of the hand control pump housing be automatic water supplement; Changing elevated tank is lower water box; Use the big pressure reduction moisturizing of pump instead and be voltage stabilizing moisturizing near constant voltage.
The utility model low-level pressure-constant automatic water-replenishing device, it is made up of as shown in Figure 1 demineralized water water tank (1), water pump (2), replenishing water tank of water (3) etc., it is characterized in that replenishing water tank of water is to have the automatic water supplementation control system and the water tank of voltage regulation of tonifying Qi control system automatically.The transducing part of automatic water supplementation control system is made up of remote pressure gauge and the pressure sensor that is contained in the table, when boiler need add water, start water pump, soft water is extracted out through stop valve shown in Figure 1 (4) to water pump from demineralized water water tank (1), arrive stop valve (5) again, inject in the case from the bottom of replenishing water tank of water through air supply tank (6), non-return valve (7).Remote pressure gauge (8) as shown in Figure 1 is equipped with on the top of replenishing water tank of water (3), and it can illustrate the force value between replenishing water tank of water internal upper part air.When gauge pressure is increased to 0.7Kg/Cm by 0
2The time, the pressure sensor in the Pressure gauge sends signal and gives as shown in Figure 1 controller (9), and controller sends command signal makes water pump stop to supply water.Replenishing water tank of water this moment (3) then can be the normal moisturizing of boiler operatiopn.Through after the moisturizing, the replenishing water tank of water water level descends, and pressure is reduced to 0.5Kg/Cm between case internal upper part air
2The time, remote pressure gauge (8) sends signal and gives controller (9), connects water pump (2), starts water filling, and water level increases, and pressure reaches 0.7Kg/Cm between replenishing water tank of water internal upper part air
2The time, Pressure gauge (8) is task again, and pump is cut off the water and is ended, and so comes and goes, and realizes automatic water supplement, because air can be soluble in water, will have the part air to flow into water pipe with the moisturizing process and lose.According to " Bo Yier-Ma Lvete " law---P
1V
1=P
2V
2, for pressure between maintenance replenishing water tank of water internal upper part air is constant, can only take the way of tonifying Qi, the smaller volume otherwise air is dissolved, water level rises thereupon.Therefore, it is constant to keep-up pressure, and water level is not risen because of air runs off with moisturizing, can only replenish the air of certain volume.The utility model has adopted automatic tonifying Qi control system.It is made up of last level sensor (10) as shown in Figure 1, following level sensor (11), air supply tank (6), magnetic valve (12), one-way sucting valve (13).When air dissolves makes in water that volume diminishes between replenishing water tank of water internal upper part air, move on the water level of replenishing water tank of water, when moving to last level sensor (10) as shown in Figure 1, then go up level sensor and send signal to controller (9), controller then makes the magnetic valve (12) on the air supply tank (6) open, and one-way sucting valve (13) is connected with atmosphere.If this moment, water pump stopped, air supply tank (6) has a potential difference with demineralized water water tank (1), water in the air supply tank can flow in the demineralized water water tank, like this air just from magnetic valve (12) in one-way sucting valve (13) sucks air supply tank (6), when the pressure variation is opened pump once more, one-way sucting valve (13) is subjected to pump function and closes, and the gas in air supply tank this moment (6) is flowed in the replenishing water tank of water (3) by pump function, has realized tonifying Qi control.So continuous tonifying Qi, if pressure is constant between maintenance replenishing water tank of water internal upper part air, water level then will move down, and when the water level of replenishing water tank of water moves down into as shown in Figure 1 following level sensor (11), then descend level sensor to send signal controller (9), make the magnetic valve (12) on the air supply tank (6) close, the path of cut-out and atmosphere stops tonifying Qi, so comes and goes, realize the automatic control of tonifying Qi, reached the voltage stabilizing moisturizing of replenishing water tank of water.The executing agency of make-up water supply control system and tonifying Qi control system is a controller, shown in (9) among Fig. 1.Its electric wiring mainly contains 24 volts of dc rectification power circuits (16) as shown in Figure 2; bidirectional triode thyristor non-contact circuit (25); the super overtime holding circuit (19) of cutting of the phase failure; pressure sensor control circuit (18), level sensor control circuit (17), air supply tank magnetic valve circuit (20); the upper and lower level sensor circuit of replenishing water tank of water (21); replenishing water tank of water magnetic valve (22), remote pressure gauge sensor line (23), and pump motor circuit (24).The bidirectional triode thyristor non-contact circuit is the startup of master control pump motor (replacement magnetic contactor), shuts down.Have following two signals to import, promptly remote pressure gauge (being contactless pressure sensor) is according to designing requirement 0.5Kg/Cm
2And 0.7Kg/Cm
2Send feedback signal to pressure sensor circuit, deliver to the bidirectional triode thyristor non-contact circuit by sensor circuit again.Another input signal is the pump motor overload, when the phase failure etc. take place, feedback signal is delivered to motor protective circuit, exports stopping signal by holding circuit to the bidirectional triode thyristor circuit again.In being expanded to replenishing water tank of water, hot water make the pressure between replenishing water tank of water internal upper part air reach 0.8Kg/Cm
2The time, remote pressure gauge to the pressure sensor control circuit, sends start signal by pressure sensor control circuit magnetic valve on replenishing water tank of water with signal feedback again, and bleed is to 0.6Kg/Cm
2End.The upper and lower level sensor feedback signal of replenishing water tank of water is sent to the air supply tank magnetic valve by the position control circuit and is opened and closed what of signal controlling air compensation to a position control circuit.
The utility model low-level pressure-constant automatic water-replenishing device is at pneumatic installation water supply---improve forming on the high expansion water box basis, basic difference is that pressurized-type water supply unit is the transformation feedwater, the utility model is the voltage stabilizing automatic water supplement, hydro-thermal expansion back is stored, but pressure is constant.Water tank needn't be located at the building top but build in the boiler room, takes up an area of to lack, and cost is low by 60%, and satisfy the pressure requirement of country, and can realize unattended the heat supply network moisturizing, the saving fund, easy to use.
Accompanying drawing 1 is a low-level pressure-constant automatic water-replenishing device schematic diagram.
Accompanying drawing 2 is low-level pressure-constant automatic water-replenishing device control principle figure.
The explanation that this specification is the 5th section also is a most preferred embodiment of the present utility model.When being back to replenishing water tank of water with this device storage boiler expansion hot water, temperature rises, and the pressure between replenishing water tank of water internal upper part air reaches 0.8Kg/Cm
2The time, remote pressure gauge (8) is sent signal into controller (9), and the magnetic valve of handling on the replenishing water tank of water (3) (14) is opened venting, and pressure rolls back 0.6Kg/Cm
2The time, closed electromagnetic valve.Native system also is provided with alarm control, open-phase protection except that automatic program control moisturizing gas compensation function, but i.e. pump trip during the three-phase phase shortage, and red lamp flass sends alarm call.Also have overload protection, when promptly the pump machine surpasses rated current 20%, autostop, red lamp flass sends alarm call, and therefore, normal operation can realize unattended.The main control motor of this device adopts the bidirectional triode thyristor non-contact circuit, the cancellation magnetic contactor, and relay, so no-spark, no behaviour's sound does not have mechanical fault, and is safe and reliable, saves the energy.When the long period had a power failure, controller was malfunctioning, and gauge pressure is reduced to 0.5Kg/Cm
2When following, pump can be manually opened in energising once more, can recover normal operation.
Claims (5)
1, a kind of low-level pressure-constant automatic water-replenishing device, it partly is made up of demineralized water water tank, water pump, replenishing water tank of water etc., it is characterized in that replenishing water tank of water is the water tank of voltage regulation that has automatic water supplementation control system and automatic tonifying Qi control system.
2, low-level pressure-constant automatic water-replenishing device according to claim 1, the transducing part that it is characterized in that automatic water supplementation control system are by remote pressure gauge and be contained in that pressure sensor in the table forms.
3, low-level pressure-constant automatic water-replenishing device according to claim 1 and 2, it is characterized in that automatic tonifying Qi control system by air supply tank, magnetic valve, one-way sucting valve, go up level sensor, level sensor is formed down.
4, low-level pressure-constant automatic water-replenishing device according to claim 1 and 2 is characterized in that the executing agency of automatic water supplementation control system and automatic tonifying Qi control system is a controller that comprises motor protective circuit, pressure sensor control circuit and position control circuit.
5, low-level pressure-constant automatic water-replenishing device according to claim 3 is characterized in that the executing agency of automatic water supplementation control system and automatic tonifying Qi control system is a controller that comprises motor protective circuit, pressure sensor control circuit and position control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86208031 CN86208031U (en) | 1986-10-30 | 1986-10-30 | Low level automatic water feeding unit with stable pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86208031 CN86208031U (en) | 1986-10-30 | 1986-10-30 | Low level automatic water feeding unit with stable pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86208031U true CN86208031U (en) | 1987-08-19 |
Family
ID=4810328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86208031 Withdrawn CN86208031U (en) | 1986-10-30 | 1986-10-30 | Low level automatic water feeding unit with stable pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86208031U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853421A (en) * | 2012-09-21 | 2013-01-02 | 罗泽云 | Energy economizer control system and method |
| WO2014102624A1 (en) * | 2012-12-28 | 2014-07-03 | Babu Sudarshan Anantharam | System for generating steam |
| CN104764195A (en) * | 2015-04-07 | 2015-07-08 | 吴传涛 | Surge tank of normal-pressure hot water boiler |
| CN105183016A (en) * | 2015-08-19 | 2015-12-23 | 中冶南方工程技术有限公司 | Automatic water injection device used for steam pressure pipeline, and control method thereof |
| CN105972440A (en) * | 2016-06-24 | 2016-09-28 | 中国寰球工程公司 | Stable and quick automatic water replenishing system of torch water-sealed tank |
| CN107288178A (en) * | 2017-07-12 | 2017-10-24 | 合肥信亚达智能科技有限公司 | A kind of constant pressure water supply system of Domestic water tank |
| CN107314538A (en) * | 2017-08-04 | 2017-11-03 | 石家庄吉瑞节能技术有限公司 | A kind of electric heating system of air pressure control electric current |
-
1986
- 1986-10-30 CN CN 86208031 patent/CN86208031U/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853421A (en) * | 2012-09-21 | 2013-01-02 | 罗泽云 | Energy economizer control system and method |
| WO2014102624A1 (en) * | 2012-12-28 | 2014-07-03 | Babu Sudarshan Anantharam | System for generating steam |
| CN104764195A (en) * | 2015-04-07 | 2015-07-08 | 吴传涛 | Surge tank of normal-pressure hot water boiler |
| CN105183016A (en) * | 2015-08-19 | 2015-12-23 | 中冶南方工程技术有限公司 | Automatic water injection device used for steam pressure pipeline, and control method thereof |
| CN105183016B (en) * | 2015-08-19 | 2017-11-21 | 中冶南方工程技术有限公司 | A kind of automatic water filling device and control method for steam pressure pipeline |
| CN105972440A (en) * | 2016-06-24 | 2016-09-28 | 中国寰球工程公司 | Stable and quick automatic water replenishing system of torch water-sealed tank |
| CN105972440B (en) * | 2016-06-24 | 2018-05-15 | 中国寰球工程公司 | A kind of torch water sealed tank is stable, fast automatic water charging system |
| CN107288178A (en) * | 2017-07-12 | 2017-10-24 | 合肥信亚达智能科技有限公司 | A kind of constant pressure water supply system of Domestic water tank |
| CN107314538A (en) * | 2017-08-04 | 2017-11-03 | 石家庄吉瑞节能技术有限公司 | A kind of electric heating system of air pressure control electric current |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |