CN218669709U - Vacuum degassing unit without circulating pump - Google Patents
Vacuum degassing unit without circulating pump Download PDFInfo
- Publication number
- CN218669709U CN218669709U CN202223254783.5U CN202223254783U CN218669709U CN 218669709 U CN218669709 U CN 218669709U CN 202223254783 U CN202223254783 U CN 202223254783U CN 218669709 U CN218669709 U CN 218669709U
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- Prior art keywords
- water
- degassing tank
- degassing
- vacuum
- water inlet
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- 238000009849 vacuum degassing Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000007872 degassing Methods 0.000 claims abstract description 69
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000010865 sewage Substances 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000008236 heating water Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model discloses a circulating pump-free vacuum degassing unit, which comprises a degassing tank, wherein the degassing tank is provided with a water inlet, a water outlet and a sewage outlet, and the water inlet of the degassing tank is connected with an upstream pipeline of a main pipe network of a water supply system through a water inlet pipe; the water outlet of the degassing tank is connected with a downstream pipeline of a main pipe network of a water supply system through a water return pipe, and the sewage discharge port is connected with a sewage discharge valve; a stirring motor is arranged at the top of the degassing tank; the degassing tank is connected with an exhaust pipe. Compared with the prior art, the utility model the advantage be: the utility model discloses can solve vacuum degassing unit inefficiency, influence heating system's pressure stability's problem. By adopting the technical scheme, the energy consumption of the water pump is cancelled, and the water flowing through the degassing tank is not subjected to pressure reduction and pressurization; the low-power vacuum pump is adopted for vacuum pumping, and the vacuum pump has short vacuum pumping time and low power, so the energy-saving effect is obvious; the amount of water in the degassing tank is substantially constant, so that the degassing device does not affect the pressure stability of the heating system.
Description
Technical Field
The utility model relates to a circulating pump degasser especially relates to a no circulating pump vacuum degassing unit.
Background
The existing vacuum degassing machine for heating adopts an intermittent degassing mode, partial water in a heating main pipe network is decompressed by a pressure reducing valve and then enters an empty degassing tank, a water inlet valve is closed after the water level in the degassing tank reaches a specified water level, a small part of water in the degassing tank is pumped to the main pipe network by a circulating pump, negative pressure is generated in the degassing tank, water in the degassing tank is degassed under the negative pressure, and the degassed water flows back to the main pipe network after being pressurized by a pressurizing pump to realize the degassing function. The removed gas is discharged through an exhaust valve, and the cycle of reducing pressure, feeding water, vacuumizing and degassing is repeated after the water in the degassing tank is discharged. However, in the existing vacuum degassing, because water rich in pressure energy is decompressed by a pressure reducing valve, and then needs a booster pump to be sent to a main pipe network, a large amount of electric energy is consumed by continuous decompression and pressurization, and the equipment structure is complex and the manufacturing cost is high. The heating water pipe network is a closed system, and the intermittent emptying and water intake of the degassing tank can cause the pressure of the heating water pipe network to change and be unstable intermittently. Therefore, it is an urgent problem to be solved by those skilled in the art to develop a circulating pump-free vacuum degassing unit.
Disclosure of Invention
The utility model provides a vacuum degassing unit without a circulating pump to solve the defects. The vacuum degassing unit can solve the problems that a vacuum degassing unit is complex in structure and high in energy consumption, and can also solve the problem that intermittent water inlet and emptying of a degassing tank affect the unstable pressure of a main pipe network system.
The above object of the present invention is achieved by the following technical solutions: a circulating pump-free vacuum degassing unit comprises a degassing tank, wherein the degassing tank is provided with a water inlet, a water outlet and a sewage discharge outlet, the water inlet of the degassing tank is connected with an upstream pipeline of a main pipe network of a water supply system through a water inlet pipe, and a hand valve, a filter and a water inlet pipe electromagnetic valve are sequentially arranged on the water inlet pipe along the water flow direction; the water outlet of the degassing tank is connected with a downstream pipeline of a main pipe network of a water supply system through a water return pipe, a water return pipe electromagnetic valve and a water return manual valve are sequentially arranged on the water return pipe along the water flow direction, and a drain outlet is connected with a drain valve; the top of the degassing tank is provided with a stirring motor, an output shaft of the stirring motor penetrates into the degassing tank, and a stirring blade is connected inside the degassing tank; the degassing tank is connected with an exhaust pipe.
Furthermore, a pressure gauge, an exhaust pipe electromagnetic valve, a gas-water separation tank and a check valve are sequentially arranged on the exhaust pipe along with the exhaust direction, and the gas-water separation tank is connected with a vacuum pump.
Further, the degassing tank is provided with a liquid level probe.
Furthermore, no circulating pump vacuum degassing unit still includes the switch board, the switch board passes through the connection of electric lines and controls stirring motor, blast pipe solenoid valve, inlet tube solenoid valve, liquid level probe, wet return solenoid valve and vacuum pump.
Compared with the prior art, the utility model the advantage be: the utility model discloses can solve vacuum degassing unit inefficiency, influence heating system's pressure stability's problem. By adopting the technical scheme, the energy consumption of the water pump is cancelled, and the water flowing through the degassing tank is not subjected to pressure reduction and pressurization; the low-power vacuum pump is adopted for vacuum pumping, and the vacuum pump has short vacuum pumping time and low power, so the energy-saving effect is obvious; the amount of water in the degassing tank is substantially constant, so that the degassing device does not affect the pressure stability of the heating system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a circulating pump-free vacuum degassing unit comprises a degassing tank 12 and a control cabinet 17, wherein the degassing tank 12 is provided with a water inlet, a water outlet and a sewage outlet, the water inlet of the degassing tank 12 is connected with an upstream pipeline of a water supply system main pipe network 1 through a water inlet pipe, and the water inlet pipe is sequentially provided with a hand valve 15, a filter 16 and a water inlet pipe electromagnetic valve 7 along the water flow direction; a water outlet of the degassing tank 12 is connected with a downstream pipeline of a main pipe network 1 of a water supply system through a water return pipe, a water return pipe electromagnetic valve 10 and a water return manual valve 2 are sequentially arranged on the water return pipe along the water flow direction, and a sewage discharge port is connected with a sewage discharge valve 11; the top of the degassing tank 12 is provided with a stirring motor 3, an output shaft of the stirring motor 3 penetrates into the degassing tank 12, and a stirring blade is connected inside the degassing tank 12; the degassing tank 12 is connected with an exhaust pipe, a pressure gauge 4, an exhaust pipe electromagnetic valve 6, a gas-water separation tank 9 and a check valve 13 are sequentially arranged on the exhaust pipe along with the exhaust direction, and the gas-water separation tank 9 is connected with a vacuum pump 14; the degassing tank 12 is provided with a liquid level probe 8;
the control cabinet 17 is connected with and controls the stirring motor 3, the exhaust pipe electromagnetic valve 6, the water inlet pipe electromagnetic valve 7, the liquid level probe 8, the water return pipe electromagnetic valve 10 and the vacuum pump 14 through electric wires.
The utility model discloses a theory of operation: the utility model discloses a degassing tank is intake and is not decompressed, utilizes the pressure differential of trunk line to promote the water replacement in the degassing tank to carry out the water changing function of vacuum degassing group. The degasser group is provided with a small vacuum pump to vacuumize the degassing tank to carry out vacuum degassing. The degassing tank 12 is connected to the upstream piping of the heating system main pipe network 1 through a water intake pipe solenoid valve 7 and a water intake pipe manual valve 15. The return pipe electromagnetic valve 10 and the return pipe manual valve 2 are connected to a downstream pipeline of the heating system main pipe network 1. When the vacuum degassing unit needs degassing work, the water inlet pipe electromagnetic valve 7 and the water outlet electromagnetic valve 10 are opened simultaneously, and the exhaust pipe electromagnetic valve 6 is closed. A part of the water of the heating system main pipe network 1 flows into the degassing tank 12 by means of a pressure difference between upstream and downstream in the heating system main pipe network 1. And (3) replacing the water in the degassing tank 12, when the equipment reaches the set time and the water replacement is finished, simultaneously closing the water inlet pipe electromagnetic valve 7 and the water outlet electromagnetic valve 10 by the control cabinet 17, opening the exhaust pipe electromagnetic valve 6, and starting the vacuum pumping by a vacuum pump 14 connected to the degassing tank 12. The stirring motor 3 on the top of the degassing tank 12 is also synchronously started to drive the stirring blades 5 in the degassing tank 12 to stir the water to be degassed, so as to accelerate the degassing work. In the case of a vacuum or negative pressure in the water in the degassing tank 12, the gas enriched in the water is evaporated and collected at the top of the degassing tank 12 or pumped out by the vacuum pump 14. The gas after being removed is discharged through an exhaust pipe electromagnetic valve 6, a gas-water separation tank 9 and a vacuum pump 14. And after the gas is exhausted, the water inlet pipe electromagnetic valve 7 and the water exhaust electromagnetic valve 10 are opened again, the stirring motor 3 of the vacuum pump 14 and the water inlet pipe electromagnetic valve 7 are closed, and the next vacuum degassing link is carried out. The purpose of the gas-water separation tank 9 is to prevent a small amount of water from entering the vacuum pump 14. If the water is stored in the gas-water separation tank 9 too much, the check valve 13 automatically opens to discharge the water. The top of the degassing tank 12 is provided with a pressure gauge 4 for observing pressure conveniently, the bottom of the degassing tank is provided with a drain valve 11 for draining sewage from the degassing tank 12 conveniently, the inside of the degassing tank 12 is provided with a liquid level probe 8 for measuring the gas amount in the degassing tank 12 deeply, and if too many people increase the degassing time.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a no circulating pump vacuum degassing unit, includes the degasification jar, the degasification jar is equipped with water inlet, delivery port and drain, its characterized in that: a water inlet of the degassing tank is connected with an upstream pipeline of a main pipe network of a water supply system through a water inlet pipe, and a manual valve, a filter and a water inlet pipe electromagnetic valve are sequentially arranged on the water inlet pipe along the water flow direction; the water outlet of the degassing tank is connected with a downstream pipeline of a main pipe network of a water supply system through a water return pipe, a water return pipe electromagnetic valve and a water return manual valve are sequentially arranged on the water return pipe along the water flow direction, and a drain outlet is connected with a drain valve; the top of the degassing tank is provided with a stirring motor, an output shaft of the stirring motor penetrates into the degassing tank, and a stirring blade is connected inside the degassing tank; the degassing tank is connected with an exhaust pipe.
2. The pumpless vacuum degasser unit as recited in claim 1, further comprising: the exhaust pipe is sequentially provided with a pressure gauge, an exhaust pipe electromagnetic valve, a gas-water separation tank and a check valve along with the exhaust direction, and the gas-water separation tank is connected with a vacuum pump.
3. The pumpless vacuum degasser unit as recited in claim 1, further comprising: the degassing tank is provided with a liquid level probe.
4. The pumpless vacuum degasser unit as recited in claim 1, further comprising: the vacuum degassing unit without the circulating pump further comprises a control cabinet, wherein the control cabinet is connected with and controls the stirring motor, the exhaust pipe electromagnetic valve, the water inlet pipe electromagnetic valve, the liquid level probe, the water return pipe electromagnetic valve and the vacuum pump through electric wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223254783.5U CN218669709U (en) | 2022-12-06 | 2022-12-06 | Vacuum degassing unit without circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223254783.5U CN218669709U (en) | 2022-12-06 | 2022-12-06 | Vacuum degassing unit without circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669709U true CN218669709U (en) | 2023-03-21 |
Family
ID=85549466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223254783.5U Active CN218669709U (en) | 2022-12-06 | 2022-12-06 | Vacuum degassing unit without circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669709U (en) |
-
2022
- 2022-12-06 CN CN202223254783.5U patent/CN218669709U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Shou'an Pump Industry Co.,Ltd. Assignor: SHANGHAI CHENGFENG FLUID EQUIPMENT CO.,LTD. Contract record no.: X2024980014446 Denomination of utility model: A non circulating pump vacuum degassing unit Granted publication date: 20230321 License type: Common License Record date: 20240910 |
|
| EE01 | Entry into force of recordation of patent licensing contract |