CN104806418A - Method and structure for improving effluent efficiency - Google Patents
Method and structure for improving effluent efficiency Download PDFInfo
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- CN104806418A CN104806418A CN201510110541.4A CN201510110541A CN104806418A CN 104806418 A CN104806418 A CN 104806418A CN 201510110541 A CN201510110541 A CN 201510110541A CN 104806418 A CN104806418 A CN 104806418A
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- water
- pipe
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- outlet pipe
- outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a method and a structure for improving effluent efficiency; the method is as follows: at least two arc-shaped discharging tubes are arranged at the effluent end of the discharging tube of a water turbine in circumferential direction, the middle rotating side of the original discharging tube is downward for discharging the cooling water discharged from the drain pipe which is orthogonal to the discharging tube along the arc-shaped discharging tubes which are not orthogonal to the discharging tube in a rotational flow mode through the action of the rotating kinetic energy, the flow resistance of the cooling water of flowing outside the discharging tube is reduced and the discharging efficiency is improved. The method and the structure for improving effluent efficiency can reduce the discharging flow resistance and improve the effluent efficiency, the water turbine can be mounted in the limited space and the effluent efficiency of the water turbine can meet engineering requirement.
Description
Technical field
The invention belongs to a kind of water turbine technology, especially a kind of water turbine for cooling tower for alternative driven by motor fan turns, specifically a kind of method and structure improving water turbine water outlet efficiency.
Background technique
Cooling tower is the visual plant of a lot of industry, and in the past by the rotation of driven by motor blower fan, power consumption was large, and cost is high.The method of current popular adopts water turbine to substitute motor, and utilize power surplus into tower water to promote the rotation of water turbine, clearly, enterprise has very strong wish water turbine to replace motor, wide market to energy-saving effect.
But, because these cooling towers are according to former standard design, when adopting water turbine to replace motor, existing hydraulic fan cooling tower air duct inner blower and base space limited, have a strong impact on the water outlet efficiency of water turbine.
Existing solution carries out part transformation to the structure of cooling tower, or design special water turbine, but these method cycles are long, efficiency is low, and cost is high.
Because the water flowing out structure used in existing Revamping Cooling Tower process is middle outlet pipe at right angle setting, be connected so that the discharge tube that cooling water is discharged then installation orthogonal with outlet pipe with outlet pipe, and the water of discharging from spiral case is fall in the mode of eddy flow in outlet pipe, namely, cooling waterside rotates limit and declines under gravity in outlet pipe, not enter waste pipe in an orthogonal manner but cause impeded drainage with an eddy flow angle oblique impact intake-discharge pipe during cooling water arrival waste pipe, the original kinetic energy of cooling water not only can not play the effect accelerating discharge, flow resistance can be increased on the contrary, to this, people do not draw attention and utilize, therefore how to make full use of the original kinetic energy of cooling water to be then well worth doing to improve water outlet efficiency.
Summary of the invention
The present invention seeks to for existing water turbine for cooling tower water outlet efficiency not high, the rotation function of cooling water fails the problem made full use of, and invents a kind of method improving water turbine water outlet efficiency, provides a kind of corresponding efficient water outlet device of water turbine simultaneously.
One of technological scheme of the present invention is:
A kind of method improving water turbine water outlet efficiency, it is characterized in that arranging at least two arc outlet pipes in the waterexit end of the outlet pipe of water turbine circumference, make rotation limit, limit in script outlet pipe downward and discharge in the mode of eddy flow with the non-orthogonal arc-like rows water pipe of outlet pipe from cooling water edge under the effect of rotation function that the waste pipe orthogonal with outlet pipe is discharged, to reduce to cooling water flow out of the flow resistance that waste pipe goes out, improve drainage efficiency.
The quantity of described arc outlet pipe is four.
In described arc-like rows water pipe, the eddy flow angle ɑ of cyclone water meets the following conditions: ɑ=arctg (4L/D);
In formula: ɑ refers to the angle of straight line Sm and mn, wherein Sm is the line of the point of intersection S of outlet pipe vertical caliber mid point m, arc-like rows water pipe outer arc and outlet pipe, mn is water pipe vertical caliber mid point m, arc-like rows water pipe arc opens the line of the intersection point n of center line and outlet pipe, L is the crow flight distance of outlet pipe vertical caliber mid point m from p point, p point is the intersection point that the elongation line of mn and arc-like rows water pipe arc open center line, and D is the caliber of outlet pipe; Outlet pipe caliber meets the following conditions:
D=2000(Q/3.14V
1)
1/2
In formula: D-diameter of outflow tube (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
1in-outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
1value between 1.8 ~ 2.2m/s;
The caliber of described arc-like rows water pipe meets the following conditions:
d=2000(Q/12.56V
2)
1/2
In formula: d-cyclone tube diameter (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
2in-arc outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
2value between 1.8 ~ 2.2m/s.
Two of technological scheme of the present invention is:
The efficient water outlet device of a kind of water turbine, it is characterized in that connecting in the waterexit end of water turbine outlet pipe circumference the arc-like rows water pipe that at least two are played cyclonic action, make rotation limit, limit in script outlet pipe downward and discharge in the mode of eddy flow with the non-orthogonal arc-like rows water pipe of outlet pipe from cooling water edge under the effect of rotation function that the waste pipe orthogonal with outlet pipe is discharged, to reduce to cooling water flow out of the flow resistance that waste pipe goes out, improve drainage efficiency.
The eddy flow angle of described cyclone, water drainage pipe is corresponding with the angle of rotary wheel of water turbine to be arranged.
Described cyclone tube is 4.
In described arc-like rows water pipe, the eddy flow angle ɑ of cyclone water meets the following conditions: ɑ=arctg (4L/D);
In formula: ɑ refers to the angle of straight line Sm and mn, wherein Sm is the line of the point of intersection S of outlet pipe vertical caliber mid point m, arc-like rows water pipe outer arc and outlet pipe, mn is outlet pipe vertical caliber mid point m, arc-like rows water pipe arc opens the line of the intersection point n of center line and outlet pipe, L is the crow flight distance of outlet pipe vertical caliber mid point m from p point, p point is the intersection point that the elongation line of mn and arc-like rows water pipe arc open center line, and D is the caliber of outlet pipe; Outlet pipe caliber meets the following conditions:
D=2000(Q/3.14V
1)
1/2
In formula: D-diameter of outflow tube (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
1in-outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
1value between 1.8 ~ 2.2m/s;
The caliber of described arc-like rows water pipe meets the following conditions:
d=2000(Q/12.56V
2)
1/2
In formula: d-cyclone tube diameter (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
2in-arc-like rows water pipe, the flow velocity (m/s) of water, determines V by caliber and flow
2value between 1.8 ~ 2.2m/s.
Beneficial effect of the present invention:
The present invention specify that first and causes the not high reason of water turbine water outlet efficiency to be the waste of rotation function, the rotation that the method and apparatus provided can make full use of cooling water is active, make drainage direction comply with the original direction of current, water outlet efficiency and water-outlet quantity can be significantly improved under the prerequisite not changing original structure and size.
The present invention, while raising water outlet efficiency, obviously can also reduce the local of current to waste pipe and go out, extend the working life of water pipe.
The present invention can reduce water outlet flow resistance, improves water outlet efficiency, thus can install water turbine in a limited space and the water outlet efficiency of water turbine can meet engineering demand.
Accompanying drawing explanation
Fig. 1 is side view of the present invention.
Fig. 2 is sectional view of the present invention.
Fig. 3 is the eddy flow angle schematic diagram of invention.
In figure, 1 is water turbine outlet pipe, and 2 is water outlet cyclone tube, and 3 are and water turbine abutted flange, and r represents water turbine water outlet eddy flow direction.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment one.
As depicted in figs. 1 and 2.
The efficient water outlet device of a kind of water turbine, it comprises the outlet pipe 1 being connected to water turbine water outlet and the arc-like rows water pipe 2 playing cyclonic action along even four of arranging of outlet pipe 1 circumference, make rotation limit, limit in script outlet pipe downward and discharge in the mode of eddy flow with the non-orthogonal arc-like rows water pipe of outlet pipe from cooling water edge under the effect of rotation function that the waste pipe orthogonal with outlet pipe is discharged, to reduce to cooling water flow out of the flow resistance that waste pipe goes out, improve drainage efficiency.And traditional waste pipe is orthogonal with the axis of outlet pipe; what cooling water impacted to lower end from outlet pipe upper end eddy flow is one side of waste pipe; in arc-like rows water pipe of the present invention, water still protects original eddy flow direction to enter along camber line flowing in arc-like rows water pipe, and in the direction spiral case of eddy flow, the eddy flow direction of water is identical.
In a further embodiment, the eddy flow angle of arc-like rows water pipe is corresponding with the angle of rotary wheel of water turbine is arranged.Because the sense of rotation r of current is determined by rotary wheel of water turbine, therefore the sense of rotation of current can be estimated according to the angle of rotary wheel of water turbine, and the eddy flow angle [alpha] of arc-like rows water pipe (each arc-like rows water pipe and outlet pipe angulation) is according to this angle design, water outlet can be made most effective, and the resistance of current is minimum.
In a further embodiment, cyclone tube is 4, and the circumference along outlet pipe is evenly arranged.Cyclone tube is communicated with portion's water system of cooling tower, and the quantity of cyclone tube is actually the caliber of caliber according to outlet pipe, cyclone tube, and the space of installation position and the water intake quantity of portion's water system demand design, and engineering is preferably scheme.
In the circumference of outlet pipe, the angle of outlet pipe tube wall and cyclone tube tube wall is acute angle, and namely contact edge is along the tangent line of outlet pipe tube wall with acutangulate and non-right angle along the tangent line of cyclone tube tube wall, when the current in outlet pipe enter cyclone tube, the loss of flow energy can be reduced, increase water outlet efficiency.
Said apparatus is applied to the water turbine that water turbine can obtain efficient water outlet, the end that mode is included in outlet pipe 1 is provided with flange plate 11, itself and water turbine is fixed by this flange plate; Welding can also be adopted to wait other to be fixedly connected with mode.Or by itself and the one-body molded design of water turbine.
In a word, limited for solving hydraulic fan cooling tower air duct inner blower and base space, have a strong impact on the technical barrier of the water outlet efficiency of water turbine, the confined space of water turbine water outlet device is carried out technical finesse by the application, raising water turbine water outlet efficiency.Water turbine water outlet device, according to design water outlet direction, eddy flow direction, reduces flow resistance and raises the efficiency.
As shown in Figure 3, in arc-like rows water pipe of the present invention, the eddy flow angle ɑ of cyclone water meets the following conditions: ɑ=arctg (4L/D); In formula: ɑ refers to the angle of straight line Sm and mn, wherein Sm is the line of the point of intersection S of outlet pipe vertical caliber mid point m, arc-like rows water pipe outer arc and outlet pipe, mn is outlet pipe vertical caliber mid point m, arc-like rows water pipe arc opens the line of the intersection point n of center line and outlet pipe, L is the crow flight distance of outlet pipe vertical caliber mid point m from p point, p point is the intersection point that the elongation line of mn and arc-like rows water pipe arc open center line, and D is the caliber of outlet pipe; Outlet pipe caliber meets the following conditions:
D=2000(Q/3.14V
1)
1/2
In formula: D-diameter of outflow tube (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
1in-outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
1value between 1.8 ~ 2.2m/s;
The caliber of arc-like rows water pipe meets the following conditions:
d=2000(Q/12.56V
2)
1/2
In formula: d-cyclone tube diameter (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
2in-arc-like rows water pipe, the flow velocity (m/s) of water, determines V by caliber and flow
2value between 1.8 ~ 2.2m/s.
Embodiment two.
As Figure 2-3.
A kind of method improving water turbine water outlet efficiency, its essence is the water (flow) direction changing outlet pipe lower end, make it comply with original flow direction and flow out from main drainpipe fast, concrete grammar is that the waterexit end of the outlet pipe of water turbine circumference is arranged at least two arc outlet pipe (Fig. 1, shown in 3 be four), make rotation limit, limit in script outlet pipe downward and discharge in the mode of eddy flow with the non-orthogonal arc-like rows water pipe of outlet pipe from cooling water edge under the effect of rotation function that the waste pipe orthogonal with outlet pipe is discharged, to reduce to cooling water flow out of the flow resistance that waste pipe goes out, improve drainage efficiency.As shown in Figure 2.
As shown in Figure 3, in arc-like rows water pipe, the eddy flow angle ɑ of cyclone water meets the following conditions: ɑ=arctg (4L/D);
In formula: ɑ refers to the angle of straight line Sm and mn, wherein Sm is the line of the point of intersection S of outlet pipe vertical caliber mid point m, arc-like rows water pipe outer arc and outlet pipe, mn is water pipe vertical caliber mid point m, arc-like rows water pipe arc opens the line of the intersection point n of center line and outlet pipe, L is the crow flight distance of outlet pipe vertical caliber mid point m from p point, p point is the intersection point that the elongation line of mn and arc-like rows water pipe arc open center line, and D is the caliber of outlet pipe; Outlet pipe caliber meets the following conditions:
D=2000(Q/3.14V
1)
1/2
In formula: D-diameter of outflow tube (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
1in-outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
1value between 1.8 ~ 2.2m/s;
The caliber of described arc-like rows water pipe meets the following conditions:
d=2000(Q/12.56V
2)
1/2
In formula: d-cyclone tube diameter (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
2in-arc outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
2value between 1.8 ~ 2.2m/s.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple equivalents to technological scheme of the present invention, these equivalents all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
The part that the present invention does not relate to prior art that maybe can adopt same as the prior art is realized.
Claims (9)
1. one kind is improved the method for water turbine water outlet efficiency, it is characterized in that arranging at least two arc outlet pipes in the waterexit end of the outlet pipe of water turbine circumference, make rotation limit, limit in script outlet pipe downward and discharge in the mode of eddy flow with the non-orthogonal arc-like rows water pipe of outlet pipe from cooling water edge under the effect of rotation function that the waste pipe orthogonal with outlet pipe is discharged, to reduce to cooling water flow out of the flow resistance that waste pipe goes out, improve drainage efficiency.
2. method according to claim 1, is characterized in that the quantity of described arc outlet pipe is four.
3. method according to claim 1, is characterized in that the eddy flow angle ɑ of cyclone water in described arc-like rows water pipe meets the following conditions: ɑ=arctg (4L/D);
In formula: ɑ refers to the angle of straight line Sm and mn, wherein Sm is the line of the point of intersection S of outlet pipe vertical caliber mid point m, arc-like rows water pipe outer arc and outlet pipe, mn is water pipe vertical caliber mid point m, arc-like rows water pipe arc opens the line of the intersection point n of center line and outlet pipe, L is the crow flight distance of outlet pipe vertical caliber mid point m from p point, p point is the intersection point that the elongation line of mn and arc-like rows water pipe arc open center line, and D is the caliber of outlet pipe; Outlet pipe caliber meets the following conditions:
D=2000(Q/3.14V
1)
1/2
In formula: D-diameter of outflow tube (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
1in-outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
1value between 1.8 ~ 2.2m/s.
4. method according to claim 1, is characterized in that the caliber of described arc-like rows water pipe meets the following conditions:
d=2000(Q/12.56V
2)
1/2
In formula: d-cyclone tube diameter (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
2in-arc outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
2value between 1.8 ~ 2.2m/s.
5. the efficient water outlet device of water turbine, it is characterized in that connecting in the waterexit end of water turbine outlet pipe circumference the arc-like rows water pipe that at least two are played cyclonic action, make rotation limit, limit in script outlet pipe downward and discharge in the mode of eddy flow with the non-orthogonal arc-like rows water pipe of outlet pipe from cooling water edge under the effect of rotation function that the waste pipe orthogonal with outlet pipe is discharged, to reduce to cooling water flow out of the flow resistance that waste pipe goes out, improve drainage efficiency.
6. the efficient water outlet device of water turbine according to claim 5, is characterized in that the eddy flow angle of described cyclone, water drainage pipe is corresponding with the angle of rotary wheel of water turbine and arranges.
7. the efficient water outlet device of water turbine according to claim 5, is characterized in that described cyclone tube is 4.
8. the efficient water outlet device of water turbine according to claim 5, is characterized in that the eddy flow angle ɑ of cyclone water in described arc-like rows water pipe meets the following conditions: ɑ=arctg (4L/D);
In formula: ɑ refers to the angle of straight line Sm and mn, wherein Sm is the line of the point of intersection S of outlet pipe vertical caliber mid point m, arc-like rows water pipe outer arc and outlet pipe, mn is outlet pipe vertical caliber mid point m, arc-like rows water pipe arc opens the line of the intersection point n of center line and outlet pipe, L is the crow flight distance of outlet pipe vertical caliber mid point m from p point, p point is the intersection point that the elongation line of mn and arc-like rows water pipe arc open center line, and D is the caliber of outlet pipe; Outlet pipe caliber meets the following conditions:
D=2000(Q/3.14V
1)
1/2
In formula: D-diameter of outflow tube (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
1in-outlet pipe, the flow velocity (m/s) of water, determines V by caliber and flow
1value between 1.8 ~ 2.2m/s.
9. the efficient water outlet device of water turbine according to claim 5, is characterized in that the caliber of described arc-like rows water pipe meets the following conditions:
d=2000(Q/12.56V
2)
1/2
In formula: d-cyclone tube diameter (mm)
Q-water turbine water-outlet quantity (m
3/ s)
V
2in-arc-like rows water pipe, the flow velocity (m/s) of water, determines V by caliber and flow
2value between 1.8 ~ 2.2m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110541.4A CN104806418A (en) | 2015-03-13 | 2015-03-13 | Method and structure for improving effluent efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110541.4A CN104806418A (en) | 2015-03-13 | 2015-03-13 | Method and structure for improving effluent efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806418A true CN104806418A (en) | 2015-07-29 |
Family
ID=53691549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510110541.4A Pending CN104806418A (en) | 2015-03-13 | 2015-03-13 | Method and structure for improving effluent efficiency |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404204A (en) * | 2018-12-07 | 2019-03-01 | 西安诺普电气工程技术有限公司 | The hydraulic turbine is discharged understructure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757022U (en) * | 2010-08-09 | 2011-03-09 | 杨清福 | Horizontal-vertical type water turbine |
| CN103147252A (en) * | 2013-04-02 | 2013-06-12 | 勾昌羽 | Prepressing type water uniform-distribution device |
| CN103147251A (en) * | 2013-04-02 | 2013-06-12 | 勾昌羽 | Prepressing type water distribution device |
| CN103266437A (en) * | 2013-04-17 | 2013-08-28 | 勾昌羽 | Grooved pulley water uniformly distributing device |
-
2015
- 2015-03-13 CN CN201510110541.4A patent/CN104806418A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757022U (en) * | 2010-08-09 | 2011-03-09 | 杨清福 | Horizontal-vertical type water turbine |
| CN103147252A (en) * | 2013-04-02 | 2013-06-12 | 勾昌羽 | Prepressing type water uniform-distribution device |
| CN103147251A (en) * | 2013-04-02 | 2013-06-12 | 勾昌羽 | Prepressing type water distribution device |
| CN103266437A (en) * | 2013-04-17 | 2013-08-28 | 勾昌羽 | Grooved pulley water uniformly distributing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404204A (en) * | 2018-12-07 | 2019-03-01 | 西安诺普电气工程技术有限公司 | The hydraulic turbine is discharged understructure |
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Application publication date: 20150729 |