CN201990509U - Single-pump double-tank vacuum degasser - Google Patents
Single-pump double-tank vacuum degasser Download PDFInfo
- Publication number
- CN201990509U CN201990509U CN2011200649432U CN201120064943U CN201990509U CN 201990509 U CN201990509 U CN 201990509U CN 2011200649432 U CN2011200649432 U CN 2011200649432U CN 201120064943 U CN201120064943 U CN 201120064943U CN 201990509 U CN201990509 U CN 201990509U
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- tank body
- water inlet
- pump
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model relates to a single-pump double-tank vacuum degasser which mainly comprises a water pump, electromagnetic valves and a base, wherein a water inlet of the water pump is communicated with the inner lower ends of a left tank body and a right tank body by a pumping three-way pipe, the electromagnetic valves for controlling the switching on and off of pumping pipes of the left and the right tank bodies are respectively arranged on water inlet three-way pipes positioned at the left and the right tank bodies, the upper ends of the left and the right tank bodies are respectively communicated with a heating return water pipe of a main heat supply system by a water inlet three-way pipe, a water outlet of the water pump is communicated with the heating return water pipe of the main heat supply system at an interval by a water inlet three-way pipe, exhaust pipes are arranged at the upper ends of the left and the right tank bodies, and one-way exhaust valves are arranged at the upper ends of the exhaust pipes. Sprinkle heads are arranged on the water inlet three-way pipes positioned at the upper ends of the left and the right tank bodies. The degasser can fast remove gas in water safely, so as to ensure the running of a water circulation system, and further has the advantages of simple structure, convenience for installation, good degassing effect, fast speed, low use cost and long service life.
Description
Technical field
The utility model belongs to two jars of vacuum degassing machines of a kind of single pump.
Background technology
As everyone knows, because the existence of system water supplement and pipeline network leak problem can have some air in the heating and the chilled water recycle system inevitably.This part gas following three kinds of forms in system exist: 1, gas accumulates in height point or local high spot in the system with the form of air mass, as pipeline corner, and the top of scatterer or fan coil etc.2, gas moves with water cycle in the system with free bubble form.3, gas dissolving is in water, and moves with water cycle.Wherein the gas in 1,2 is free property gas, and the third be a dissolved gas, can not stop mutual conversion between the three, but when no change of external conditions, its various forms of amounts are understood relatively stable.The air that exists in the water can bring a lot of disadvantageous effects to the heating and the chilled water recycle system.Oxygen in the system can cause the oxygen corrosion of system; The bubble that heat exchanger surface has can reduce its heat transfer efficiency; The gas of system's inner accumulated can produce vapour lock, cause the resistance of system unbalanced, cause systemic circulation not smooth, produce noise, cavitation erosion, last these problems can cause the debug difficulties of total system, cause the low of the reduction of water pump effective head and operational efficiency, reduce the work-ing life of other equipment and whole pipe network, even influence the safety of total system.So exhausting problem becomes system's endless problem, workload that artificial exhaust has brought excess load for the maintenance and repair personnel, but weak effect of taking time and effort in service.
In China present heating and the chilled water recycle system, except that the large-scale canonical system of minority has carried out the deoxygenation, the degassing measure that most of system does not all take the initiative, but the gradient is installed by the control pipeline, the top automatic exhaust steam valve is set, and interchanger is by artificial vent valve exhaust etc.Though these measures can play a role, can not tackle the problem at its root, cause the operation of a lot of systems undesired, influence heating or refrigeration.Simultaneously make heat supply (refrigeration) pipeline and the steel radiator burn into phenomenon of leaking of boring a hole take place in a large number, directly have influence on the safety of total system owing to contain oxygen in the water.Scatterer producer has to spend a large amount of manpower and materials and does the interior anticorrosion of scatterer, and nonetheless, its preservative effect is still undesirable.And very strict in Europe because of water quality control, anticorrosion in steel radiator does not carry out, the problem that corrosion is leaked but almost takes place.Therefore, taking online degassing deoxygenation, system is carried out protection initiatively, is a kind of imperative effective trial.
Summary of the invention
The purpose of this utility model is two jars of vacuum degassing machines of a kind of single pump of design, can the gas in the water be deviate from safe and efficiently, guarantees the operation of water circulation system, also have simple in structurely, easy for installation, degasifying effect is good, speed is fast, the advantage that use cost is low and the life-span is long.For this reason, the utility model mainly is made up of water pump, magnetic valve and base, pump intake communicates with lower end in the left and right tank body by the Y-tube that draws water, be positioned at and be respectively equipped with the magnetic valve that the left and right tank body drinking-water pipe of control opens and closes on the Y-tube of left and right tank body, left and right tank body upper end communicates with the heating installation return water pipe of total heating system by the water inlet Y-tube, pump outlet communicates with the heating installation return water pipe of total heating system of the segment distance of being separated by with the water inlet Y-tube, left and right tank body upper end is provided with vapor pipe, and the vapor pipe upper end is provided with one-way exhaust valve.The described water inlet Y-tube that is positioned at left and right tank body upper end is provided with spray header.The flooding quantity of described water inlet Y-tube is less than the pump outlet water displacement.Said structure has reached the purpose of this utility model.
The utility model can deviate from the gas in the water safe and efficiently, guarantees the operation of water circulation system, also has simple in structurely, easy for installation, and degasifying effect is good, the advantage that use cost is low and the life-span is long.According to the Henry's law that Englishize scholar and physicist William nurse-Henry founded in 1803, gas is solubleness and water temperature and pressure correlation in water, at a certain temperature, is directly proportional with the pressure of gas.Promptly under certain pressure, water temperature reduces, and gas solubility increases, and water temperature raises, and gas solubility reduces.When the pressure that reduces the water surface, then can under low water temperature, gas soluble in water be separated out, thereby remove the gas in anhydrating.The utility model is according to above-mentioned principle design, be by in the utility model, producing vacuum, free gas in the water and solution gas are discharged, discharge system by automatic discharge opening again, water after the degassing system of reinjecting, the water of these low gas content amounts is unsaturated water, and gas is had high absorption, it with the gas in the absorption system to seek the air water balance.The every 20-30 of vacuum degassing machine repeats once such circulation second, all gas in the system water can be removed.
The utility model is about 280 tons at the heating quantity of circulating water, and the Residential areas that total molten tolerance is 4512 liters experiment showed, that the utility model per hour can exhaust 39 liters, and the release is 115 hours (about 4.8 days), and the rate of reporting for repairment only is 4.8%.Be far superior to existing products in markets.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a plan structure synoptic diagram of the present utility model.
Specific embodiments
As depicted in figs. 1 and 2, two jars of vacuum degassing machines of a kind of single pump mainly are made up of water pump 2, magnetic valve 4,6 and base 9.Pump intake 3 communicates with lower ends in the left and right tank body 8,10 by the Y-tube 5 that draws water, and is positioned on the Y-tube of left and right tank body to be respectively equipped with the magnetic valve that the left and right tank body drinking-water pipe 11 of control opens and closes.
Pump intake communicates with a jar intravital drinking-water pipe upper end, a left side by draw water Y-tube and magnetic valve 4, pump intake communicates with drinking-water pipe upper end in the left tank body 8 by draw water Y-tube and magnetic valve 6, the interior lower end of left and right tank body of communicating respectively that communicates, two drinking-water pipe lower ends.
Left and right tank body upper end communicates with the heating installation return water pipe 7 of total heating system by water inlet Y-tube 13, pump outlet 15 communicates with the heating installation return water pipe of total heating system of the segment distance of being separated by with the water inlet Y-tube, refers to that promptly pump outlet should be connected on the heating installation return water pipe downstream portion place from total heating system at least 2 meters of water inlet Y-tube.
Left and right tank body upper end is provided with vapor pipe 14, and the vapor pipe upper end is provided with one-way exhaust valve 1.With convenient left and right jar of intravital gas is discharged in the tank body.
The described water inlet Y-tube that is positioned at left and right tank body upper end is provided with spray header 12, and the effect of spray header is to be beneficial to backwater aqueous vapor is separated.The flooding quantity of described water inlet Y-tube is less than the pump outlet water displacement; The diameter of available water inlet Y-tube is realized less than the diameter of pump outlet pipe, to guarantee in the left and right tank body being negative pressure.
During use, water inlet Y-tube of the present utility model and pump outlet are installed on the heating installation return water pipe of total heating system.Open the water Y-tube respectively left, introduce the heating installation backwater of total heating system in the right tank body, pass through the water inlet Y-tube through a spray header spirt left side from the heating installation backwater, in the right tank body, work as a left side, when the heating installation backwater will be filled with in the right tank body, water pump and a magnetic valve are opened, another magnetic valve is in closing condition, because pump-out is greater than flooding quantity in the tank body that is pumped, produce negative pressure in this tank body, be beneficial to the dried up and gas of branch, producing gas in this tank body is derived in the tank body by the one-way exhaust valve on it, and the heating installation backwater of the degassing is annotated back in the heating installation return water pipe of total heating system again by water pump.When treating that the heating installation backwater is drained soon in this tank body, the magnetic valve of this tank body of closing control is opened another magnetic valve and is got final product.Repeat above-mentioned steps, no gas exists in the heating installation backwater that proceeds to total heating system that circulates.
In a word, the utility model can deviate from the gas in the water safe and efficiently, guarantees the operation of water circulation system, also has simple in structurely, easy for installation, and degasifying effect is good, the advantage that use cost is low and the life-span is long.
Claims (3)
1. two jars of vacuum degassing machines of a single pump, mainly by water pump, magnetic valve and base are formed, it is characterized in that: pump intake is by a Y-tube and the left side of drawing water, the lower end communicates in the right tank body, be positioned at a left side, be respectively equipped with a control left side on the Y-tube of right tank body, the magnetic valve that right tank body drinking-water pipe opens and closes, a left side, right tank body upper end communicates with the heating installation return water pipe of total heating system by the water inlet Y-tube, pump outlet communicates with the heating installation return water pipe of total heating system of the segment distance of being separated by with the water inlet Y-tube, a left side, right tank body upper end is provided with vapor pipe, and the vapor pipe upper end is provided with one-way exhaust valve.
2. by two jars of vacuum degassing machines of the described single pump of claim 1, it is characterized in that: the described water inlet Y-tube that is positioned at left and right tank body upper end is provided with spray header.
3. by two jars of vacuum degassing machines of the described single pump of claim 1, it is characterized in that: the flooding quantity of described water inlet Y-tube is less than the pump outlet water displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200649432U CN201990509U (en) | 2011-03-14 | 2011-03-14 | Single-pump double-tank vacuum degasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200649432U CN201990509U (en) | 2011-03-14 | 2011-03-14 | Single-pump double-tank vacuum degasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201990509U true CN201990509U (en) | 2011-09-28 |
Family
ID=44667003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200649432U Expired - Fee Related CN201990509U (en) | 2011-03-14 | 2011-03-14 | Single-pump double-tank vacuum degasser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201990509U (en) |
-
2011
- 2011-03-14 CN CN2011200649432U patent/CN201990509U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20130314 |