CN201963508U - Cavitation-resistant device for recovering condensed water - Google Patents
Cavitation-resistant device for recovering condensed water Download PDFInfo
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- CN201963508U CN201963508U CN2010206582889U CN201020658288U CN201963508U CN 201963508 U CN201963508 U CN 201963508U CN 2010206582889 U CN2010206582889 U CN 2010206582889U CN 201020658288 U CN201020658288 U CN 201020658288U CN 201963508 U CN201963508 U CN 201963508U
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- shaped fluid
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Abstract
The utility model provides a cavitation-resistant device for recovering the condensed water. The structure of the cavitation-resistant device mainly comprises a condensed water storage tank outer part and a condensed water storage tank inner part, the outer part consists of a return pipe and a return adjusting valve, and the inner part consists of a cup-shaped fluid director and an injection pipe. A high-pressure circulating pump outlet pipe is connected with the return pipe, the return pipe is connected with a stand pipe and a horizontal pipe by an elbow, the return adjusting valve is additionally arranged in the middle of the stand pipe to adjust the flow, and the adjusting valve also can be arranged on the horizontal pipe. The return pipe is connected with the injection pipe in the storage tank, the injection pipe is connected with the cup-shaped fluid director, the injection pipe extends into the cup-shaped fluid director, the lower part of the injection pipe is a tapered opening, the cup-shaped fluid director is a cylinder, the lower part of the cup-shaped fluid director is connected with the condensed water storage tank, the top of the cup-shaped fluid director is sealed except the place which is connected with the injection pipe, and the side face of the cup-shaped fluid director is provided with a plurality of square or circular hole grooves for the condensed water to inflow. The cavitation-resistant device has the advantages that the device is purely mechanical, free of electronic components, and long in service life; the return adjusting valve can be freely adjusted, so that the device is suitable for various flow working conditions; a water pump can not be cavitated, so that the annual investment caused by the exchange of the water pump is reduced; and the condensed water can be more conveniently recovered in a sealed way, so that an energy saving technology can be more preferably popularized on a large scale.
Description
Technical field
The utility model belongs to a kind of device in the condensate return system, is mainly used in industry and the recycling of civilian condensed water in high temperature.
Background technique
Steam is as the extensively weary energy of a kind of purposes, at industry and civil engineering Chang Zuowei thermal source or power source, after steam is emitted heat energy or acting, be converted into liquid water of condensation, still have higher heat energy, and quality is better, generally reclaims as boiler feedwater or alternate manner second use.The overwhelming majority relies on electric water pump that water of condensation is carried out supercharging in the condensate return system at present, because the structural feature of water pump itself, be lower than the vaporization pressure of the liquid of conveying as the pressure in the pump, liquid will be vaporized, cavitation takes place in pump chamber, in the erosion that can cause parts at the cavitation position, further develops and then will cause lift to descend, produce vibration noise, finally cause water pump to scrap.
Carry for water of condensation, because under most of operating mode, condensing water temperature is higher, corresponding vaporization pressure is also higher, and what cavitation took place may be very high.The way that solves this mode at present both at home and abroad generally is water of condensation tank rack height, produces certain malleation with the liquid level discrepancy in elevation in the water pump import.But there is big drawback in this mode: one, because gas utilization unit generally relies on self back pressure to carry water of condensation to storage tank,, can increase back pressure if storage tank is aloft, and cause the water of condensation discharging of gas utilization unit not smooth, influence the manufacturing equipment heats.Its two, the high water of condensation storage tank of frame need be done support, can increase initial cost, particularly can influence the layout of other pipeline.Present domestic a kind of mode that also has: adopt low level water of condensation storage tank, closed type structure, wish to utilize the water of condensation tank internal pressure to form malleation in the cycle of higher pressure pump inlet, but be actually and realize, this is an antinomy, because when condensed water in high temperature flows in the enclosed water of condensation storage tank, flash distillation can take place, produce secondary flash steam and saturated condensed water, the secondary flash steam is the same with condensate temperature, as tank inner pressure is 0.1Mpa, the condensed water saturation temperature is 120 ℃, and corresponding vaporization pressure is 0.2Mpa, considers the pump cavitation surplus, after the calculating as can be known pump entrance still be negative pressure, water pump still can produce cavitation.
Summary of the invention
The utility model adopts a kind of special anti cavitation device, forms malleation at the cycle of higher pressure pump intake, can prevent effectively that cavitation phenomenons from taking place, and overcome above-mentioned shortcoming.
Water of condensation of the present utility model reclaims anti cavitation device and realizes in the following manner, its structure is by support, the water of condensation import, the water of condensation storage tank, reflow pipe, return valve, high-pressure circulation pump, many siphunculus, injection pipe, cup-shaped fluid director, drain valve, exhaust steam valve is formed, wherein, the water of condensation storage tank is arranged on the centre of support by support, two high-pressure circulation pumps are separately positioned on the both sides of support, be provided with cup-shaped fluid director in the middle of the bottom in the water of condensation storage tank, the top of cup-shaped fluid director is connected with spray head, bottom lock, stretch out downwards second bottom that transfixed the water of condensation storage tank of cup-shaped fluid director, the water intake of two high-pressure circulation pumps is connected with the bottom sides of cup-shaped fluid director by pipeline, the water outlet of two high-pressure circulation pumps is connected with two imports of many siphunculus, the central exit of many siphunculus connects the outer end of U-shaped intake pipe, the inner of U-shaped intake pipe is provided with spray head, spray head passes the top that the water of condensation storage tank extends cup-shaped fluid director, the spout of spray head puts in downwards among the cup-shaped fluid director, the top of water of condensation storage tank is provided with outlet valve, the water of condensation escape cock is arranged on the end of many siphunculus horizontal component, and the water of condensation import is arranged on the side on water of condensation storage tank top.
The water outlet connecting tube of described high-pressure circulation pump and the outer end of U-shaped intake pipe are provided with return valve.
Cup-shaped fluid director is cylindric, and the top is connected with spray head, and the sidewall of cup-shaped fluid director has cylindrical void or circular hole.
Advantage of the present utility model: pure machinery, no electric elements, the life-span is long; But the return valve free adjustment is suitable for various flow operating modes; Prevent pump cavitation, reduced the annual more investment of water-change pump; Enclosed reclaims to make water of condensation reclaim more easily, more advantageously promotes power-saving technology on a large scale.
Description of drawings
Fig. 1 is the main TV structure schematic representation of anti cavitation device exterior part;
Fig. 2 is the left TV structure schematic representation of anti cavitation device exterior part;
Fig. 3 is the right TV structure schematic representation of anti cavitation device inner piece;
Fig. 4 is the structural representation of cup-shaped fluid director;
Fig. 5 is the plan structure schematic representation of cup-shaped fluid director.
Description of reference numerals:
Water of condensation import 1, water of condensation storage tank 2, U-shaped pipe 3, return valve 4, high-pressure circulation pump 5, many siphunculus 6, injection pipe 11, cup-shaped fluid director 12, support 13, drain valve 14, exhaust steam valve 15, bar hole 16.
Embodiment
Referring to Fig. 1～5, water of condensation of the present utility model is reclaimed anti cavitation device make following detailed description.
Water of condensation of the present utility model reclaims anti cavitation device, its structure is by support (13), water of condensation import (1), water of condensation storage tank (2), reflow pipe (3), return valve (4), high-pressure circulation pump (5), many siphunculus (6), injection pipe (11), cup-shaped fluid director (12), drain valve (14), exhaust steam valve (15) is formed, wherein, water of condensation storage tank (2) is arranged on the centre of support (13) by support (17), two high-pressure circulation pumps (5) are separately positioned on the both sides of support (13), be provided with cup-shaped fluid director (12) in the middle of the bottom in the water of condensation storage tank (2), the top of cup-shaped fluid director (12) is connected with spray head (11), bottom lock, stretch out downwards second bottom that transfixed water of condensation storage tank (2) of cup-shaped fluid director (12), the water intake of two high-pressure circulation pumps (5) is connected by the bottom sides of pipeline with cup-shaped fluid director (12), the water outlet of two high-pressure circulation pumps (5) is connected with two imports of many siphunculus (6), the central exit of many siphunculus (6) connects the outer end of U-shaped intake pipe (3), the inner of U-shaped intake pipe (3) is provided with spray head 11, spray head (11) passes the top that water of condensation storage tank (2) extends cup-shaped fluid director (12), the spout of spray head (11) puts in downwards among the cup-shaped fluid director (12), the top of water of condensation storage tank (2) is provided with outlet valve (15), water of condensation escape cock (14) is arranged on the end of many siphunculus (6) horizontal component, and water of condensation import (1) is arranged on the side on water of condensation storage tank (2) top.
The outer end of the water outlet connecting tube of described high-pressure circulation pump (5) and U-shaped intake pipe (6) is provided with return valve (4).
Cup-shaped fluid director (12) is cylindric, and the top is corresponding with spray head (11), and the sidewall of cup-shaped fluid director (12) has cylindrical void or circular hole (16).
Embodiment
Anti cavitation device of the present utility model mainly contains water of condensation storage tank exterior part and inner piece two is partly formed, and exterior part is made up of reflow pipe and return valve, and inner piece is made up of cup-shaped fluid director and injection pipe.Connect reflow pipe on the cycle of higher pressure pump discharge pipe, reflow pipe is that a usefulness elbow connects standpipe and horizontal pipe, adds return valve in the middle of the standpipe and regulates flow, and modulating valve also can be contained on the horizontal pipe.Reflow pipe is connected with injection pipe in the storage tank, and injection pipe is connected with cup-shaped fluid director, and injection pipe stretches in the cup-shaped fluid director, and the bottom is a taper mouth.Cup-shaped fluid director is a cylindrical body, and the bottom is connected with the water of condensation storage tank, the top except that with all shut injection pipe is connected, the side has many square or circular hole slots, so that water of condensation flows into.
Working principle of the present utility model is when high-pressure circulation pump is opened, the part water of condensation by reflow pipe and return valve to injection pipe, high-speed liquid by spray head, water of condensation injection supercharging in the cup-shaped fluid director, be transported to the cycle of higher pressure pump intake, water of condensation in the storage tank enters in the cup-shaped fluid director continuously by the hole slot of cup-shaped fluid director, forms malleation at the cycle of higher pressure pump intake, prevents pump cavitation.Water of condensation enters water pump by cup-shaped fluid director simultaneously, can prevent that the low vortex that produces of liquid level sucks pump entrance to flash steam in storage tank, avoided the high-pressure circulation pump cavitation thus, realized effective recovery of condensed water in high temperature, saved a large amount of heat energy and water resources, reduced the pollution of fume emission and sewer soil.
Claims (3)
1. a water of condensation reclaims anti cavitation device, it is characterized in that, comprise support (13), water of condensation import (1), water of condensation storage tank (2), reflow pipe (3), return valve (4), high-pressure circulation pump (5), many siphunculus (6), injection pipe (11), cup-shaped fluid director (12), drain valve (14), exhaust steam valve (15), water of condensation storage tank (2) is arranged on the centre of support (13) by support (17), two high-pressure circulation pumps (5) are separately positioned on the both sides of support (13), be provided with cup-shaped fluid director (12) in the middle of the bottom in the water of condensation storage tank (2), the top of cup-shaped fluid director (12) is connected with spray head, bottom lock, stretch out downwards second bottom that transfixed water of condensation storage tank (2) of cup-shaped fluid director (12), the water intake of two high-pressure circulation pumps (5) is connected by the bottom sides of pipeline with cup-shaped fluid director (12), the water outlet of two high-pressure circulation pumps (5) is connected with two imports of many siphunculus (6), the central exit of many siphunculus (6) connects the outer end of U-shaped intake pipe (3), the inner of U-shaped intake pipe (3) is provided with spray head (11), spray head (11) passes the top that water of condensation storage tank (2) extends cup-shaped fluid director (12), the spout of spray head (11) puts in downwards among the cup-shaped fluid director (12), the top of water of condensation storage tank (2) is provided with outlet valve (15), water of condensation escape cock (14) is arranged on the end of many siphunculus (6) horizontal component, and water of condensation import (1) is arranged on the side on water of condensation storage tank (2) top.
2. water of condensation according to claim 1 reclaims anti cavitation device, it is characterized in that the outer end of the water outlet connecting tube of described high-pressure circulation pump (5) and U-shaped intake pipe (6) is provided with return valve (4).
3. reclaim anti cavitation device according to the described water of condensation of claim 1, it is characterized in that cup-shaped fluid director (12) is cylindric, the top is connected with spray head (11), and the sidewall of cup-shaped fluid director (12) has cylindrical void or circular hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206582889U CN201963508U (en) | 2010-12-14 | 2010-12-14 | Cavitation-resistant device for recovering condensed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206582889U CN201963508U (en) | 2010-12-14 | 2010-12-14 | Cavitation-resistant device for recovering condensed water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963508U true CN201963508U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206582889U Expired - Lifetime CN201963508U (en) | 2010-12-14 | 2010-12-14 | Cavitation-resistant device for recovering condensed water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052277A (en) * | 2010-12-14 | 2011-05-11 | 刘昌魁 | Condensed water recycling cavitation-resistant device |
-
2010
- 2010-12-14 CN CN2010206582889U patent/CN201963508U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052277A (en) * | 2010-12-14 | 2011-05-11 | 刘昌魁 | Condensed water recycling cavitation-resistant device |
| CN102052277B (en) * | 2010-12-14 | 2012-12-26 | 刘昌魁 | Condensed water recycling cavitation-resistant device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JI NAN HUAWIN ENERGY-SAVING ENGINEERING TECHNOLOGY Free format text: FORMER OWNER: LIU CHANGKUI Effective date: 20120523 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Qiuxia Inventor after: Liu Changkui Inventor after: Li Shenjian Inventor before: Liu Changkui Inventor before: Li Shenjian |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU CHANGKUI LI SHENJIAN TO: XIE QIUXIA LIU CHANGKUI LI SHENJIAN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120523 Address after: 4 building, 51 research building, industrial South Road, hi tech Industrial Zone, Shandong, Ji'nan, 250101 Patentee after: Jinan Huawin - ECET Co.,Ltd. Address before: 250101 Ji'nan high tech Zone, Shandong Province Industrial Road No. 51 Patentee before: Liu Changkui |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20130227 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |