CN101509696B - Long wind pipe uniform wind sending and returning method and device thereof - Google Patents
Long wind pipe uniform wind sending and returning method and device thereof Download PDFInfo
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- CN101509696B CN101509696B CN2009100480370A CN200910048037A CN101509696B CN 101509696 B CN101509696 B CN 101509696B CN 2009100480370 A CN2009100480370 A CN 2009100480370A CN 200910048037 A CN200910048037 A CN 200910048037A CN 101509696 B CN101509696 B CN 101509696B
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Abstract
The invention relates to a method and a device which are used for leading a long wind pipe to uniformly send and return the wind. The proportional cross-section area size of the rated shunt air quantity of each step of bypass branch pipes is calculated according to the quantity of the three-way wind valves arranged on the long wind pipe and the cross-section area size of the total wind pipe of the initial three-way wind valve; furthermore, the proportional cross-section area size is taken as the basis of the shunting of the wind quantity shunt valve with the shunt adjusting function and the gradual contraction quantity of the cross-section area size of all levels of valves; therefore, leading the wind speed and the dynamic pressure in the long wind pipe to trend to be consistent and the wind-obtaining quantity of all bypass branch pipes to trend to be close, and achieving the object of uniformly sending and returning the wind by the long wind pipe. The device consists of a long wind pipe and bypass branch pipes; the long wind pipe is connected by a plurality of wind quantity shunt three-way adjusting valves or modified three-way wind valves which have the function of shunt adjustment, ensure the airflow speed and the dynamic pressure in the long wind pipe to be approximate to each other and lead all bypass branch pipes to obtain the basically approximate airflow wind quantity. The method is reliable, the device has scientific and reasonable structure, the difficult problem that the existing long wind pipe can not realize the uniform sending and returning of the wind for a long time is solved, and the method and the device have extremely strong practicability.
Description
Technical field
The present invention relates to air quantity regulation technology field, particularly a kind of method and device thereof that makes long pipe uniform wind sending, return air in subway or building environmental control system and the air conditioner ventilating system that be applicable to.
Background technology
Adopt morely in subway or building environmental control system and air conditioner ventilating system at present that long airduct send, air return method.Long airduct by several by blast main, pipe straight branch interface and bypass are propped up interface tube and are constituted, as shown in Figure 1, traditional long airduct is formed by connecting by the valve body of the identical three-way air valve of several planforms, valve body is made of the blast main and the pipe straight branch interface of interconnection, because the flow direction and the arm pressure inside that enter the air current flow of blast main, suction is relevant, order about the air current flow of sending into by ambient pressure and in the way of advancing, be essentially rectilinear motion under the situation of no external force interference usually, thereby cause most air current flow to flow to pipe straight branch, have only the air current flow of minimum part under the inside static pressure effect that exists on the bypass arm, to transfer and flow to the bypass arm, and owing to do not have the distribution of air flow control device at valve inner, even under the identical situation of the static pressure in each bypass arm, when the air current flow dynamic pressure that enters is big, often the bypass arm of caudal part portion air quantity greater than the bypass arm of end nearby air quantity, and when the dynamic pressure that enter air quantity hour, often nearby the bypass arm of end air quantity greater than the bypass arm of caudal part portion air quantity, so, each bypass arm must air quantity be uneven in the long airduct of this traditional structure form, thereby can not satisfy actual instructions for use.In order to improve the situation that each bypass arm in the long airduct gets the air quantity inequality, industry is tried to explore, occurred following three kinds of architecture advances measures in recent years: one as shown in Figure 2, dwindle the valve body cross-sectional area size that constitutes by blast main and pipe straight branch on the three-way air valve step by step keeping bypass to prop up under the situation of interface tube cross-sectional area size constancy, to keep the gentle mobile pressure of air velocity in the long airduct constant substantially, thereby the bypass arm of guaranteeing every grade obtains close substantially air current flow, but find in practice, because air hydrodynamic can be converted into static pressure automatically when propping up interface tube near what bypass of tail end, thereby can't realize the purpose of even air blow and return; It two as shown in Figure 3, keeping increasing the cross-sectional area size that bypass is propped up interface tube step by step on the basic basis of invariable of long airduct cross-sectional area size, its objective is and to overcome the dynamic pressure of air current flow in long airduct more near the more little weakness of tail end, to prop up the method for interface tube cross-sectional area size and guarantee that the air entering and returning amount of every grade of bypass arm is close substantially by increasing bypass step by step, but find in practice, because the dynamic pressure in the long airduct is constantly diminishing, in fact also be difficult to control, the difficulty that realizes is very big, and the material input of the long airduct of this version and processing cost are all very high, thereby operability and economy inequality; It three as shown in Figure 4, on the interface position of every grade of each bypass arm, all increase control valve is set, taking step by step during work, the method for adjusting control valve door open degree makes the air quantity that gets of each bypass arm be tending towards close, but find in practice, because the air quantity of any one control valve is regulated the variation that all can cause total head in the long airduct, thereby cause influencing the air quantity that gets of other adjusted bypass arms of getting well or also not regulating, thereby when not only operating when useless, useless power, and be difficult to realize the purpose of even air blow and return.Therefore, the long airduct air blow and return course of work that can't realize evenly sending, return air is the existing structure form ubiquitous a great problem since the midium or long term, having a strong impact on the work quality of building environmental control system and air conditioner ventilating system, having very much and studied the necessity that overcomes.
Summary of the invention
The objective of the invention is to overcome the existing drawback that can not guarantee to the even air blow and return of each bypass arm in the long airduct air blow and return course of work of prior art, a kind of method and device thereof that makes long pipe uniform wind sending, return air is provided.
It is of the present invention that to make the method for long pipe uniform wind sending, return air be such: at first prop up long airduct that the valve body that is made of blast main and pipe straight branch interface of the three-way air valve that interface tube constitutes connects and composes by several by blast main, pipe straight branch interface and bypass and calculate the ratio cross-sectional area size that bypass arm on every grade of three-way air valve allows the average shunting air quantity that is assigned in the blast main cross-sectional area size of the quantity of three-way air valve set above it and initial level three-way air valve to traditional, and with this ratio cross-sectional area size as every grade of specified shunting air quantity; Adopt air quantity diversion three-way valve to replace described three-way air valve then with shunting regulatory function, and shunt as every grade of air quantity diversion three-way valve in the ratio cross-sectional area size of every grade specified shunting air quantity and to regulate the foundation that control flows to bypass arm air quantity ratio cross-sectional area size at the corresponding levels, also dwindle simultaneously the foundation of cross-sectional area size step by step as valve bodies at different levels, the total intake ratio cross-sectional area size that makes the previous stage valve body is equaled the ratio cross-sectional area size of the inflow air current flow of back one-level valve body blast main by the ratio cross-sectional area size of the air current flow of pipe straight branch interface output deduction is regulated control to flow to the ratio cross-sectional area size of specified shunting air quantity of bypass arm by the air quantity diversion three-way valve shunting of this grade after, thereby the wind speed and the dynamic pressure of air quantity diversion three-way valve blast main interfaces at different levels junction in the long airduct of flowing through are reached unanimity, and guarantee that the air quantity that gets of each bypass arm is tending towards close on the long airduct, realize evenly sending, the purpose of return air.
In addition, described air quantity diversion three-way valve with shunting regulatory function includes to have and carries out along short transverse that full duration is regulated shunting, energy-saving air quantity diversion three-way control valve and the rectangle of height that is provided with the ratio cross-sectional area size that an end links to each other with the bypass arm, the cross-sectional area size equals specified shunting air quantity in the valve body blast main and width or the specified shunting modified three-way air valve of U type isocon that makes the bypass arm obtain the ratio cross-sectional area size air quantity function of specified shunting air quantity is filled the post of.When long airduct relatively short, during the bypass arm negligible amounts that is provided with above, described air quantity diversion three-way valve with shunting regulatory function can all adopt to be regulated the shunting energy-saving air quantity diversion three-way control valve or all adopts specified shunting modified three-way air valve to fill the post of; When long airduct relatively long, the bypass arm quantity that is provided with above is more, cause along short transverse carry out full duration regulate the split channel height of adjusting shunting energy-saving air quantity diversion three-way control valve of shunting too small and make the bypass arm air quantity when cannot say for sure to demonstrate,prove, can in conjunction with adopt to regulate the shunting energy-saving air quantity diversion three-way control valve and in be provided with the method that the cross-sectional area size equals the specified shunting modified three-way air valve of the rectangle of the height of ratio cross-sectional area size of specified shunting air quantity and width or U type isocon, what adopts specified shunting modified three-way air valve at the first half of long airduct, the shunting energy-saving air quantity diversion three-way control valve is regulated in latter half of what employing at long airduct, to guarantee that each bypass arm interface on the long airduct obtains the air quantity of ratio cross-sectional area size of specified shunting air quantity and air velocity and the dynamic pressure convergence in the long airduct, thereby make each bypass arm obtain close substantially air current flow, realize the long pipe uniform wind sending on the whole meaning, the purpose of return air.
The present invention based on said method makes long pipe uniform wind sending, the apparatus main body of return air is made of long airduct and bypass arm, long airduct by several by blast main, the valve body that pipe straight branch interface and bypass are propped up the three-way air valve of interface tube formation is formed by connecting, valve body is made of the blast main and the pipe straight branch interface of interconnection, be characterised in that described three-way air valve fills the post of by regulating shunting energy-saving air quantity diversion three-way control valve or specified shunting modified three-way air valve, adjusting shunting energy-saving air quantity diversion three-way control valve that described long airduct is dwindled in the ratio cross-sectional area size of every grade of specified shunting air quantity step by step by one group of several valve body cross-sectional area size or specified shunting modified three-way air valve link to each other and form, wherein: described adjusting shunting energy-saving air quantity diversion three-way control valve has the function of regulating shunting along the short transverse full duration, main body is by blast main, pipe straight branch interface and bypass are propped up interface tube and are constituted, blast main is provided with one and is provided with soft double-action plate by a leading section, the left and right sides is provided with the drainage plate of gear block, two have the control drainage plate and move up and down function, guide channel plate by last threaded screw mandrel engagement endoporus and guide-track groove, and fixed installation is arranged on the blast main shell, the threaded screw rod of band regulating handle constitutes on the outer end sends the air quantity diversion control set for adjusting back to, and the handing-over angle position that pipe straight branch interface and bypass are propped up interface tube is provided with one and is arranged on pipe straight branch interface and bypass by fixed installation and props up valve pocket on the angle position of interface tube junction, the bearing support of last band arc guide barrel, the axle dress is arranged on the valve rod on the valve pocket, the spacing shunting guide control device of putting the rigid baffle formation that in the arc guide barrel of described bearing support, is fixedly linked of stretching with described valve rod; Described specified shunting modified three-way air valve is by three-way air valve and increase on the blast main inner surface be arranged on three-way air valve, an end props up the height of the ratio cross-sectional area size that interface tube links to each other, the cross-sectional area size equals every grade of specified shunting air quantity with bypass and the square type or the U type isocon that amass of width constitutes; Side of described square type or U type isocon or opening one side are close to and are arranged on the valve body blast main and are provided with bypass and prop up on the side of interface tube; It is optionally fixed or adjustable as required that the height of described square type or U type isocon and width can be set to series.
The bypass arm quantity that is provided with on long airduct is more, what shunt volume cross-sectional area size adopts and to regulate adjusting shunting energy-saving air quantity diversion three-way control valve that shunting mode carries out air quantity diversion control along the short transverse full duration and be difficult to reach when regulating the shunting proportional precision and guaranteeing specified shunting air quantity on the bypass arm because of highly too small before causing, based on the long pipe uniform wind sending of making of method setting of the present invention, the apparatus main body of return air props up interface tube by long airduct and bypass and constitutes, long airduct is connected and composed by several three-way air valves, be characterised in that described three-way air valve is by specified shunting modified three-way air valve with regulate the combination of shunting energy-saving air quantity diversion three-way control valve and fill the post of, described specified shunting modified three-way air valve is arranged on what position of first half of long airduct, and described adjusting shunting energy-saving air quantity diversion three-way control valve is arranged on latter half of what position of long airduct.
During work, the drainage plate of described energy-saving air quantity diversion three-way control valve links to each other with the nearly upper end assembling of threaded screw rod by left and right sides gear block, and be controlled by described regulating handle, can be along screw mandrel displacement up and down as required, the air-flow full duration that will send into (or discharge) blast main is separated into A, the B two-way is sent into (or discharge); The top ends of the rigid baffle in the described shunting guide control device and the described end that is arranged on the soft double-action plate on the drainage plate leading section take mutually amplexiform touch spacing, the air-flow of being sent into (or discharge) by the B road is blocked in described rigid baffle, so turn to inflow (or outflow) bypass arm, make and obtain required air current flow in the bypass arm, regulate the fixed position of control drainage plate on screw mandrel by regulating handle and limit A, the shunting ratio of B two-way air-flow, the shunting air quantity cross-sectional area size on B road is conformed to the ratio cross-sectional area size of every grade of specified shunting air quantity, and under the guiding of shunting guide control device, enter the bypass arm; In addition; described specified shunting modified three-way air valve; because the built-in rectangle with certain altitude and width or the cross-sectional area size of U type isocon conform to the ratio cross-sectional area size of every grade of specified shunting air quantity; thereby can guarantee to obtain the shunting air quantity close with other bypass arms; simultaneously because the sectional dimension that the valve bodies at different levels on the long airduct all dwindle the next stage valve body step by step in the ratio cross-sectional area size of every grade of specified shunting air quantity; thereby flow velocity and the dynamic pressure that can guarantee the air current flow in the valve bodies at different levels are close, help guaranteeing evenly sending of long airduct; return air.In addition, described square type or U type isocon can be set to height and width series is optional fixed or adjustable as required.
The present invention based on above-mentioned design makes long pipe uniform wind sending, the method of return air and device thereof, because long airduct is arranged to be dwindled in the ratio cross-sectional area size of every grade of specified shunting air quantity by several valve bodies, and by the adjusting shunting energy-saving air quantity diversion three-way control valve with shunting ratio regulatory function or in be provided with the cross-sectional area size and equal the height of ratio cross-sectional area size of every grade of specified shunting air quantity and the square type of width or the specified shunting modified three-way air valve of U type isocon and connect and compose, can guarantee that air current flow has metastable wind speed in the long airduct, Yi Zhi dynamic pressure relatively, thereby help guaranteeing to realize each bypass arm evenly sending under specified dispense flow rate, return air, also help improving the work quality of building environmental control system or air conditioner ventilating system, in guaranteeing each bypass arm, obtain equably to create on the basis of required air flow rate and meet the space environment that the ring control requires, be people's physical and mental health, various instrument and equipments under ventilation condition good operation and guarantee that the operate as normal life-span provides basic guarantee.So, method that makes long pipe uniform wind sending, return air of the present invention and device thereof have solved conscientiously in the combination of theory and practice and have sent back at long airduct for a long time, aspect the wind ubiquitously can't realize evenly giving, a great problem of return air, method is feasible, apparatus structure science and reasonable, easy to adjust and reliable operation, very strong operability is arranged, have tangible technical advance, very strong practicality and valuable market application foreground.
Description of drawings
Fig. 1 is the structural representation of one of prior art of the present invention;
Fig. 2 is two a structural representation of prior art of the present invention;
Fig. 3 is three a structural representation of prior art of the present invention;
Fig. 4 is four a structural representation of prior art of the present invention;
Fig. 5 is the structural representation of embodiments of the invention one;
Fig. 6 is the structural representation of energy-saving air quantity diversion three-way control valve in the embodiments of the invention one;
Fig. 7 is the structural representation of embodiments of the invention two;
Fig. 8 is the structural representation of modified three-way air valve in the embodiments of the invention two;
Fig. 9 is the structural representation of embodiments of the invention three.
Among the figure:
1. blast main 2. pipe straight branch interfaces 3. bypass are propped up interface tube 4. three-way air valves
5. control valve 6. energy-saving air quantity diversion three-way control valves 7. soft double-action plate 8. gear blocks
9. drainage plate 10. meshes endoporus 11. guide-track grooves 12. guide channel plates
13. shell 14. regulating handles 15. threaded screw rods 16. are sent the air quantity diversion control set for adjusting back to
17. valve pocket 18. arc guide barrels 19. bearing supports 20. valve rods
21. rigid baffle 22. shunting guide control devices 23. modified three-way air valves 24. isocons
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and exemplary embodiments.
At Fig. 1, Fig. 2, among Fig. 3 and Fig. 4, in prior art of the present invention, have and send, the long airduct of return air function by several by blast main 1, the three-way air valve 4 that pipe straight branch interface 2 and bypass are propped up interface tube 3 formations connects and composes, and constitute the valve body of three-way air valve 4 by blast main 1 and pipe straight branch interface 2, take or dwindle step by step the valve body cross-sectional area size of three-way air valve 4, perhaps strengthen bypass step by step and prop up the cross-sectional area size of interface tube 3, perhaps prop up to increase on the interface tube 3 control valve 5 is set in described bypass, the method of adjusting control valve door open degree step by step, make the air quantity that gets of each bypass arm be tending towards close, but find that in practice operability is all relatively poor.
In Fig. 5 and Fig. 6, the present invention makes long pipe uniform wind sending, the apparatus main body of return air is made of long airduct and bypass arm, long airduct by several by blast main 1, the valve body that pipe straight branch interface 2 and bypass are propped up the three-way air valve 4 of interface tube 3 formations is formed by connecting, valve body is made of the blast main 1 and the pipe straight branch interface 2 of interconnection, be characterised in that described three-way air valve 4 filled the post of by energy-saving air quantity diversion three-way control valve 6, the adjusting shunting energy-saving air quantity diversion three-way control valve 6 that described long airduct is dwindled in the ratio cross-sectional area size of every grade of specified shunting air quantity step by step by one group of several valve body cross-sectional area size links to each other and constitutes, wherein: described adjusting shunting energy-saving air quantity diversion three-way control valve 6 main bodys are by blast main 1, pipe straight branch interface 2 and bypass are propped up interface tube 3 and are constituted, be provided with one in the blast main 1 and be provided with soft double-action plate 7 by a leading section, the left and right sides is provided with the drainage plate 9 of gear block 8, two have control drainage plate 9 and move up and down function by full duration, guide channel plate 12 by last threaded screw mandrel engagement endoporus 10 and guide-track groove 11, and fixed installation is arranged on the shell 13 of blast main 1, the threaded screw rod 15 of band regulating handle 14 constitutes on the outer end sends air quantity diversion control set for adjusting 16 back to, and the handing-over angle position that pipe straight branch interface 2 and bypass are propped up interface tube 3 is provided with and is arranged on pipe straight branch interface 2 and bypass by fixed installation and props up valve pocket 17 on the interface tube 3 handing-over angle positions, the bearing support 19 of last band arc guide barrel 18, the axle dress is arranged on the valve rod 20 on the valve pocket 17, the spacing shunting guide control device 22 of putting rigid baffle 21 formations that in the arc guide barrel 18 of described bearing support 19, are fixedly linked of stretching with described valve rod 20.
During work, drive control threaded screw rod 15 by described regulating handle 14 and drive drainage plate 9 along short transverse full duration adjusting shunting, blast main 1 cross-sectional area size is divided into the A district that is connected with pipe straight branch interface 2 and props up the B district that interface tube is connected with bypass, wherein: the cross-sectional area dimension adjustable in described B district is to conforming to the ratio cross-sectional area size of described every grade of specified shunting air quantity, the cross-sectional area size in described A district conforms to the cross-sectional area size of the blast main 1 of next stage valve body, so can guarantee that air current flow has metastable wind speed in the long airduct, Yi Zhi dynamic pressure relatively, thus guarantee to realize the long pipe uniform wind sending of each bypass arm under specified dispense flow rate, return air.
The specified formula of embodiment 2 shuntings
In Fig. 7 and Fig. 8, the present invention makes long pipe uniform wind sending, the apparatus main body of return air connects 3 by long airduct and bypass arm and constitutes, long airduct is formed by connecting by the valve body of several three-way air valves 4, valve body is made of the blast main 1 and the pipe straight branch interface 2 of interconnection, be characterised in that described three-way air valve 4 filled the post of by specified shunting modified three-way air valve 23, the valve body cross sectional dimensions of the specified shunting modified three-way air valve 23 of several that are provided with on the described long airduct dwindles step by step in the ratio cross-sectional area size of every grade of specified shunting air quantity, and wherein: described specified shunting modified three-way air valve 23 is arranged on blast main 1 inner surface of three-way air valve 4 by three-way air valve 4 and increase, one end props up interface tube 3 with bypass and links to each other, the cross-sectional area size conforms to the ratio cross-sectional area size of every grade of specified shunting air quantity, square type or U type isocon 24 with certain height and width constitute; Side of described square type or U type isocon 24 or opening one side are close to and are arranged on valve body blast main 1 and are provided with the bypass arm and connect on 3 the side; It is optionally fixed or adjustable as required that the height of described square type or U type isocon 24 and width can be set to series.
During work, by the valve body of the modified three-way air valve 23 that dwindles step by step in the ratio cross-sectional area size of every grade of specified shunting air quantity with have the square type of every grade of specified shunting air quantity ratio cross-sectional area size or the acting in conjunction of U type isocon 24 guarantees that air current flow has metastable wind speed in the long airduct, Yi Zhi dynamic pressure relatively, and guarantee that each bypass props up interface tube 3 and obtain more close air quantity, thereby realize the purpose of long pipe uniform wind sending, return air.
In Fig. 9, the present invention makes long pipe uniform wind sending, the apparatus main body of return air props up interface tube 3 by long airduct and bypass and constitutes, long airduct is connected and composed by the valve body of several three-way air valves 4, valve body is made of the blast main 1 and the pipe straight branch interface 2 of interconnection, be characterised in that described three-way air valve 4 is by regulating shunting modified three- way air valve 23 and 6 combinations of specified shunting energy-saving air quantity diversion three-way control valve are filled the post of, wherein: described specified shunting modified three-way air valve 23 is arranged on what the position of first half of long airduct, described adjusting shunting energy-saving air quantity diversion three-way control valve 6 is arranged on latter half of what the position of long airduct, and the cross sectional dimensions of the modified three-way air valve 23 that is caudad set gradually by front end on the described long airduct and each valve body of energy-saving air quantity diversion three-way control valve 6 dwindles step by step in the ratio of the ratio cross-sectional area size of every grade of specified shunting air quantity.
The embodiments of the invention scheme is applicable to that long airduct is longer relatively, bypass arm 3 quantity that are provided with above are more, and what shunt volume cross-sectional area size adopts and to regulate energy-saving air quantity diversion three-way control valve 6 that shunting mode carries out air quantity diversion control along the short transverse full duration and be difficult to reach when regulating the shunting proportional precision and guaranteeing specified shunting air quantity on the bypass arm the specified shunting modified three-way air valve 23 that on long airduct first half position combination has been provided with complementation before causing.During work, because what be provided with on latter half of what the position of long airduct is the energy-saving air quantity diversion three-way control valve 6 that has along short transverse full duration adjusting shunting function, what be provided with on what position of first half is the square type isocon 24 that is provided with ratio cross-sectional area size setting in every grade of specified shunting air quantity in the blast main, has certain altitude and width, help guaranteeing that each bypass props up the specified wind flow of acquisition on the interface tube 3, thereby realize the purpose of long pipe uniform wind sending, return air.
Claims (11)
1. method that makes long pipe uniform wind sending, return air, it is characterized in that: at first prop up long airduct that the valve body that is made of blast main and pipe straight branch interface of the three-way air valve that interface tube constitutes connects and composes by several by blast main, pipe straight branch interface and bypass and calculate the ratio cross-sectional area size that bypass arm on every grade of three-way air valve allows the average shunting air quantity that is assigned in the blast main cross-sectional area size of the quantity of three-way air valve set above it and initial level three-way air valve to traditional, and with this ratio cross-sectional area size as every grade of specified shunting air quantity; Adopt air quantity diversion three-way valve to replace traditional three-way air valve then with shunting regulatory function, and shunt as every grade of air quantity diversion three-way valve in the ratio cross-sectional area size of every grade specified shunting air quantity and to regulate the foundation that control flows to bypass arm air quantity ratio cross-sectional area size at the corresponding levels, also dwindle simultaneously the foundation of cross-sectional area size step by step as valve bodies at different levels, the total intake ratio cross-sectional area size that makes the previous stage valve body is equaled the ratio cross-sectional area size of the inflow air current flow of back one-level valve body blast main by the ratio cross-sectional area size of the air current flow of pipe straight branch interface output deduction is regulated control to flow to the ratio cross-sectional area size of specified shunting air quantity of bypass arm by the air quantity diversion three-way valve shunting of this grade after, thereby the wind speed and the dynamic pressure of air quantity diversion three-way valve blast main interfaces at different levels junction in the long airduct of flowing through are reached unanimity, and guarantee that the air quantity that gets of each bypass arm is tending towards close on the long airduct, realize long pipe uniform wind sending, the purpose of return air.
2. according to claim 1ly make long pipe uniform wind sending, the method of return air, it is characterized in that described air quantity diversion three-way valve with shunting regulatory function includes to have carries out full duration along short transverse and regulates shunting, make the bypass arm obtain specified shunting air quantity ratio cross-sectional area size air quantity function adjusting shunting energy-saving air quantity diversion three-way control valve with in the valve body blast main, be provided with an end and prop up interface tube with bypass and link to each other, have the cross-sectional area size and equal height and the square type of width or the specified shunting modified three-way air valve of U type isocon of the ratio cross-sectional area size of specified shunting air quantity.
3. the method that makes long pipe uniform wind sending, return air according to claim 1, it is characterized in that described long airduct is relatively short, during the bypass arm negligible amounts that is provided with above, described air quantity diversion three-way valve with shunting regulatory function is all filled the post of or is all filled the post of by specified shunting modified three-way air valve by regulating the shunting energy-saving air quantity diversion three-way control valve.
4. according to claim 1ly make long pipe uniform wind sending, the method of return air, it is characterized in that described long airduct is relatively long, the bypass arm quantity that is provided with above more for a long time, described air quantity diversion three-way valve with shunting regulatory function is filled the post of by adjusting shunting energy-saving air quantity diversion three-way control valve and specified shunting modified three-way air valve that combination is provided with, on the first half position of long airduct, adopt specified shunting modified three-way air valve, on the latter half of position of long airduct, adopt and regulate the shunting energy-saving air quantity diversion three-way control valve, to guarantee that each bypass arm interface on the long airduct obtains the air quantity of ratio cross-sectional area size of specified shunting air quantity and air velocity and the dynamic pressure convergence in the long airduct, thereby make each bypass arm obtain close substantially air current flow, realize the long pipe uniform wind sending on the whole meaning, return air.
5. according to claim 1ly make long pipe uniform wind sending, the method setting of return air make long pipe uniform wind sending, the device of return air, constitute by long airduct and bypass arm, long airduct by several by blast main (1), the valve body that pipe straight branch interface (2) and bypass are propped up the three-way air valve (4) of interface tube (3) formation is formed by connecting, valve body is made of the blast main (1) and the pipe straight branch interface (2) of interconnection, it is characterized in that: described three-way air valve (4) is filled the post of by having the adjusting shunting energy-saving air quantity diversion three-way control valve (6) of regulating shunting air quantity function along the short transverse full duration, and the valve body of the energy-saving air quantity diversion three-way control valve (6) that described long airduct is dwindled in the ratio cross-sectional area size of every grade of specified shunting air quantity step by step by one group of several valve body cross-sectional area size links to each other and constitutes.
6. according to claim 1ly make long pipe uniform wind sending, the method setting of return air make long pipe uniform wind sending, the device of return air, constitute by long airduct and bypass arm, long airduct by several by blast main (1), the valve body that pipe straight branch interface (2) and bypass are propped up the three-way air valve (4) of interface tube (3) formation is formed by connecting, valve body is made of the blast main (1) and the pipe straight branch interface (2) of interconnection, it is characterized in that: described three-way air valve (4) is filled the post of by specified shunting modified three-way air valve (23), and the valve body of the specified shunting modified three-way air valve (23) that described long airduct is dwindled in the ratio cross-sectional area size of every grade of specified shunting air quantity step by step by one group of several valve body cross-sectional area size links to each other and constitutes.
7. according to claim 1ly make long pipe uniform wind sending, the method setting of return air make long pipe uniform wind sending, the device of return air, constitute by long airduct and bypass arm, long airduct (1) by several by blast main (1), the valve body that pipe straight branch interface (2) and bypass are propped up the three-way air valve (4) of interface tube (3) formation is formed by connecting, valve body is made of the blast main (1) and the pipe straight branch interface (2) of interconnection, it is characterized in that described three-way air valve (4) filled the post of by locational specified shunting modified three-way air valve of the first half that is arranged on long airduct (23) and latter half of locational adjusting shunting energy-saving air quantity diversion three-way control valve (6) combination that is arranged on long airduct, described long airduct is caudad set gradually by front end, specified shunting modified three-way air valve (23) and adjusting shunting energy-saving air quantity diversion three-way control valve (6) that the cross sectional dimensions of each valve body dwindles step by step in the ratio cross-sectional area size of every grade of specified shunting air quantity constitute.
8. according to claim 6 or the 7 described devices that make long pipe uniform wind sending, return air, it is characterized in that described specified shunting modified three-way air valve (23) is arranged on blast main (1) inner surface of three-way air valve (4) by three-way air valve (4) and increase, an end and bypass prop up interface tube (3) and link to each other, have that the sectional area size equals the height of ratio sectional area size of every grade of specified shunting air quantity and the square type or the U type isocon (24) of width constitutes.
9. describedly make long pipe uniform wind sending according to claim 5 or 7, the device of return air, it is characterized in that described adjusting shunting energy-saving air quantity diversion three-way control valve (6) is by blast main (1), pipe straight branch interface (2) and bypass are propped up interface tube (3) and are constituted, be provided with one in the blast main (1) and be provided with soft double-action plate (7) by a leading section, the left and right sides is provided with the drainage plate (9) of gear block (8), two have control drainage plate (9) and move up and down function, guide channel plate (12) by last threaded screw mandrel engagement endoporus (10) and guide-track groove (11), and fixed installation is arranged on the shell (13) of blast main (1), send air quantity diversion control set for adjusting (16) back to what the threaded screw rod (15) of regulating handle (14) constituted on the outer end, the handing-over angle position that pipe straight branch interface (2) and bypass are propped up interface tube (3) is provided with and is arranged on pipe straight branch interface (2) and bypass by fixed installation and props up interface tube (3) and join valve pocket (17) on the angle position, the bearing support (19) of last band arc guide barrel (18), the axle dress is arranged on the valve rod (20) on the valve pocket (17), the spacing shunting guide control device (22) of putting rigid baffle (21) formation that in the arc guide barrel (18) of described bearing support (19), is fixedly linked of stretching with described valve rod (20).
10. the device that makes long pipe uniform wind sending, return air of method setting according to claim 2 is characterized in that the height of described square type or U type isocon (24) and width are optionally fixed or adjustable for series.
11. the device that makes long pipe uniform wind sending, return air of method setting according to claim 2 is characterized in that side of described square type or U type isocon (24) or opening one side are close to be arranged on the valve body blast main and to be provided with bypass and to prop up on the side of interface tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100480370A CN101509696B (en) | 2009-03-23 | 2009-03-23 | Long wind pipe uniform wind sending and returning method and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100480370A CN101509696B (en) | 2009-03-23 | 2009-03-23 | Long wind pipe uniform wind sending and returning method and device thereof |
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| CN101509696A CN101509696A (en) | 2009-08-19 |
| CN101509696B true CN101509696B (en) | 2010-12-08 |
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| CN2009100480370A Expired - Fee Related CN101509696B (en) | 2009-03-23 | 2009-03-23 | Long wind pipe uniform wind sending and returning method and device thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052745B (en) * | 2009-10-30 | 2012-12-26 | 上海电信通信设备有限公司 | Heat exchange intelligent blowing device |
| CN103335388B (en) * | 2013-07-29 | 2015-08-26 | 北京康孚科技股份有限公司 | The air-conditioning equipment displaced type air-supply arrangement of even air-out |
| CN103982973A (en) * | 2014-06-04 | 2014-08-13 | 河南同济恒爱暖通消防有限公司 | Ventilating duct system distributed according to air volume and design method |
| CN106594589A (en) * | 2016-12-30 | 2017-04-26 | 广州市浩洋电子股份有限公司 | Spiral air guiding device and stage lamp cooling system provided with same |
| CN109307359B (en) * | 2018-08-17 | 2020-12-08 | 佛山市澳霆环境设备制造有限公司 | Air quantity distributor |
| CN109127641A (en) * | 2018-10-31 | 2019-01-04 | 中国化学工业桂林工程有限公司 | A kind of vulcanization of rubber exhaust-gas efficient collection method |
| CN110776356B (en) * | 2019-11-04 | 2021-08-27 | 农业农村部规划设计研究院 | Ventilating duct and compost ventilating device |
| CN114777198B (en) * | 2022-05-09 | 2023-10-31 | 李振 | Air speed adjusting device of heating ventilation air conditioner based on indoor temperature and using method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201373535Y (en) * | 2009-03-23 | 2009-12-30 | 上海淮亩节能环保科技有限公司 | Shunting rated uniform air feeding and returning device of long air duct |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201373535Y (en) * | 2009-03-23 | 2009-12-30 | 上海淮亩节能环保科技有限公司 | Shunting rated uniform air feeding and returning device of long air duct |
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