CN112875775A - Spray tower for treating waste water and waste gas, non-blocking uniform water distributor without external power - Google Patents
Spray tower for treating waste water and waste gas, non-blocking uniform water distributor without external power Download PDFInfo
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- CN112875775A CN112875775A CN202110032300.8A CN202110032300A CN112875775A CN 112875775 A CN112875775 A CN 112875775A CN 202110032300 A CN202110032300 A CN 202110032300A CN 112875775 A CN112875775 A CN 112875775A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 314
- 239000007921 spray Substances 0.000 title claims abstract description 46
- 239000002912 waste gas Substances 0.000 title claims abstract description 16
- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- 230000000903 blocking effect Effects 0.000 title abstract description 3
- 238000009826 distribution Methods 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000002093 peripheral effect Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 13
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000009827 uniform distribution Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a spray tower for treating waste water and waste gas, a non-blocking uniform water distributor without external power, which comprises: the rotary disc is provided with a plurality of water distribution grooves with upward openings, a water inlet and a water baffle, wherein the water distribution grooves are used for storing liquid, and the water inlet and the water baffle enable the liquid to enter the water distribution grooves; a plurality of overflow ports which can overflow liquid are arranged on the upper edge of the side wall of the water distribution tank; the water baffle and the water inlet direction of the water inlet are arranged at a certain included angle, so that the liquid acts on the water baffle to push the rotating disc to rotate relative to the outer barrel body. Compared with the prior art, the uniform water distributor of the spray tower provided by the invention has no blockage and no external power, and the water distribution groove is arranged in an open manner, so that the blockage is avoided; the overflow ports are arranged according to the equal proportion of the area of the overflow water and the water receiving area of different areas of the spray tower, the water receiving strength of each area of the water receiving area is equal, and the uniform water distribution can be realized.
Description
Technical Field
The invention relates to the technical field of water distribution of a spray tower, in particular to a uniform water distributor without blockage and external power. In addition, the invention also relates to a spray tower for treating wastewater and waste gas, which comprises the uniform water distributor without blockage or external power.
Background
The existing water distributor adopts uniform distribution of the areas of the overflow openings in different radius intervals, and is not adaptive to the increasing of the water receiving area from inside to outside in different radius intervals when a water distribution turntable rotates for a circle, so that the water distribution is not uniform, different pollution loads of different areas of a spray tower are directly caused, the removal of pollutants in the areas with high pollution loads is not thorough, and the uniform treatment effect of waste water and waste gas in the tower is seriously influenced.
The existing uniform water distributor without blockage and external power of the spray tower is provided with a plurality of single-side perforated pipes in the radial direction, the equal-diameter perforated pipes are distributed in the radial direction at equal intervals, spray water enters from the center of the turntable and is ejected from the single-side perforated pipes at a certain speed, and the turntable is pushed to operate by using the reaction force of the ejected water flow. In order to achieve the required driving force, the flow velocity of water flow needs to meet a certain jet speed, the aperture of the perforation is small enough, the small-aperture perforation can only be suitable for cleaning water without suspended matters and easy blockages, the biological treatment of wastewater and waste gas adopts high-concentration biological sludge (bacteriostasis) to circularly spray, and the problems of perforation blockage, blockage removal difficulty and the like easily occur.
In summary, how to distribute water uniformly in a spray tower and avoid easy blockage of a water distributor is an urgent problem to be solved by technical personnel in the field at present.
Disclosure of Invention
In view of the above, the present invention provides a uniform water distributor without blockage and external power for a spray tower, which adopts a method of setting the overflow ports, wherein the area distribution of the overflow ports in different radius intervals is adapted to the gradual increase of the water receiving area from inside to outside in the different radius intervals when a water distribution turntable rotates for a circle, so as to ensure that the water receiving strength of the spray tower in different areas is basically the same; the high-concentration biological sludge (bacteriostasis) circulating spraying device is provided with a water distribution tank with an upward opening, when the liquid in the water distribution tank is higher than the bottom edge of an overflow port, the liquid flows out of the overflow port, and the water distribution tank is of an open structure, so that the problem of blockage is avoided, and the high-concentration biological sludge (bacteriostasis) is not easy to block even if being circularly sprayed; and the water inlet is provided with a water baffle, the water baffle can be impacted after the water inlet flows in, and a reaction force is generated, so that the rotating disc is pushed to rotate relative to the outer barrel body, no additional power equipment is needed, energy is saved, emission is reduced, and the equipment cost is reduced.
The invention also aims to provide a spray tower for treating waste water and waste gas, which comprises the uniform water distributor without blockage and external power.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a spray column does not have even water-locator of jam, no external power, includes: the rotary disc is provided with a water distribution tank, a water inlet and a water baffle, wherein the water distribution tank is used for storing liquid and has an upward opening, and the water inlet is used for enabling the liquid to enter the water distribution tank;
a plurality of overflow ports which can enable the liquid to overflow are arranged on the upper edge of the side wall of the water distribution tank; the overflow ports are arranged in proportion to the water receiving areas of different areas of the spray tower so as to realize uniform water distribution;
the water baffle and the water inlet direction of the water inlet are arranged at a certain included angle, so that the liquid acts on the water baffle to push the rotary table to rotate relative to the outer barrel body.
Preferably, the water distribution tank comprises a peripheral water inlet tank arranged around the periphery and a plurality of overflow tanks communicated with the peripheral water inlet tank, and the overflow tanks are radially arranged from the central axis of the turntable in the outer barrel to the edge of the peripheral water inlet tank;
the water inlet and the water baffle are both arranged in the peripheral water inlet groove, and the overflow port is arranged in the overflow groove; the lower edge of the overflow port is lower than the upper edge of the peripheral water inlet groove.
Preferably, all the overflow grooves have the same width, and the overflow grooves are uniformly arranged along the circumferential direction of the turntable.
Preferably, the overflow ports are formed in the length direction of the overflow groove and the upper edges of the side walls of the peripheral water inlet grooves, and the overflow ports are trapezoidal, rectangular or V-shaped.
Preferably, the overflow groove is formed along a length direction thereof close to a central axis of the turntableFrom one end to the other, the effective overflow area of the overflow opening is gradually increased so that the liquid overflow amount satisfies one rotation of the turntable (360 DEG)0) Uniform water distribution requirements that the water receiving strength of the water receiving areas with the same area in different radius intervals of unit length is equal;
the effective overflow area is the area of the overflow port corresponding to the unit length of the overflow tank.
Preferably, the peripheral water inlet groove is internally provided with a cover plate for avoiding the liquid from splashing, and the cover plate is covered in the peripheral water inlet groove.
Preferably, the cover plate is matched with the peripheral water inlet groove in shape, the cross section of the cover plate is of an inverted U-shaped structure, and the width of the cover plate is smaller than that of the peripheral water inlet groove.
Preferably, the included angle between the water baffle and the water inlet direction of the water inlet is 30-80 degrees.
Preferably, the lower part of the rotating disc is provided with a roller which facilitates the rotation of the rotating disc.
Preferably, the turntable is rotatably connected with the outer barrel body through a bearing, and the central axis of the turntable coincides with the rotating axis of the turntable.
A spray tower for treating wastewater and waste gas comprises the uniform water distributor without blockage and external power.
In the process of using the uniform water distributor without blockage and external power of the spray tower, liquid can enter the water distribution tank through the water inlet, and in the process of flowing out of the water inlet, because the water inlet direction of the water inlet and the water baffle are arranged at a certain included angle, the liquid is sprayed to the water baffle, and certain impact force is generated on the water baffle to push the rotary table to rotate relative to the outer barrel body; when the liquid level of the liquid is higher than the lower edge of the overflow opening, the liquid flows out of the overflow opening.
Compared with the prior art, in the using process, the water distribution groove is arranged in an opening manner, so that the problem of blockage is avoided; in addition, the thrust generated to the water baffle in the process of the liquid flowing into the water inlet is utilized to rotate the turntable, so that additional power equipment can be avoided, and the equipment cost is reduced. In addition, the overflow gap is arranged according to the equal proportion of the overflow area and the water receiving area of different areas of the spray tower, so that uniform water distribution can be realized.
In addition, the invention also provides a spray tower for treating wastewater and waste gas, which comprises the uniform water distributor without blockage or external power.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a uniform water distributor without blockage and external power for a spray tower provided by the invention;
FIG. 2 is a schematic cross-sectional view of the water distributor of FIG. 1 without the spray tower being clogged and without external power;
fig. 3 is a schematic top view of the uniform water distributor without blockage and external power for the spray tower provided by the invention.
In FIGS. 1-3:
the water distribution device comprises an outer barrel body 1, a water inlet 2, a cover plate 3, a water distribution groove 4, a peripheral water inlet groove 41, an overflow groove 42, a central water distribution head 5, a locking nut 6, a rotating shaft 7, a roller 8, a guide plate 9, a support plate 10, a support 11, a lower bearing 12, a bearing seat 13, a spacer 14, an upper bearing 15, a bearing gland 16, an overflow port 17, a water baffle 18, a water baffle plate r, a boundary line radius between an outer ring and an inner ring, an r-delta r-r water receiving area A and an r-r + delta r water receiving area B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a uniform water distributor without blockage and external power for a spray tower, and the liquid flows out from an overflow port on the side wall of a water distribution tank by arranging the water distribution tank with an opening, so that the blockage is avoided; in addition, the liquid entering from the water inlet acts on the water baffle to impact the water baffle, so that the rotating disc rotates relative to the outer barrel body.
The other core of the invention is to provide a spray tower for treating waste water and waste gas, which comprises the uniform water distributor without blockage and external power.
Referring to fig. 1-3, fig. 1 is a schematic structural view of a uniform water distributor without blockage and external power for a spray tower provided by the present invention; FIG. 2 is a schematic cross-sectional view of the water distributor of FIG. 1 without the spray tower being clogged and without external power; fig. 3 is a schematic diagram for explaining the principle of the uniform water distributor without blockage and external power for the spray tower provided by the invention.
The application provides a uniform water distributor without blockage and external power for a spray tower, overflow gaps arranged on overflow grooves are gradually increased in total effective overflow area of each overflow gap within unit radius length from the center to the periphery of a turntable; the total effective overflow area of each overflow gap in different radius intervals is matched with the water receiving area of different radius intervals of the water distribution turntable which rotates for a circle, and the water receiving area is gradually increased from inside to outside; the total effective overflow area of each overflow gap in the radius interval is the sum of the effective overflow areas of each overflow gap on all the overflow grooves in the radius interval; the total effective water area of each overflow gap in different radius intervals is gradually increased from inside to outside, the shape and the area of a single overflow gap are unchanged, and the number of the overflow gaps is increased; or the number of the overflow ports is unchanged, the average width of a single overflow port is increased or two methods are adopted, the overflow ports are arranged according to the equal proportion of the overflow area and the water receiving area of different areas of the spray tower, the water receiving strength of each area is equal, and the uniform water distribution can be realized.
The uniform water distributor of the spray tower provided by the specific embodiment without blockage and external power comprises: the water distribution device comprises an outer barrel body 1 and a rotary table which is rotatably arranged relative to the outer barrel body 1, wherein the rotary table is provided with a water distribution tank 4 which is used for storing liquid and has an upward opening, a water inlet 2 which is used for enabling the liquid to enter the water distribution tank 4 and a water baffle 18;
a plurality of overflow ports 17 which can overflow liquid are arranged on the upper edge of the side wall of the water distribution tank 4; the water baffle 18 and the water inlet direction of the water inlet 2 are arranged at a certain included angle, so that the liquid acts on the water baffle 18 to push the rotating disc to rotate relative to the outer barrel body 1.
The water baffle 18 is arranged at a height lower than the water surface, and the number of the water baffle 18 can be one, two or more, which is determined according to the actual situation.
Preferably, in the process that the liquid entering from the water inlet 2 impacts the water baffle 18, the direction of the generated impact force is along the tangential direction of the rotary table, so that a larger moment can be generated, according to impulse calculation and momentum conservation principle, the water enters the water baffle 18 at a certain inclination angle to generate momentum in the horizontal direction, so as to push the rotary table to rotate, meanwhile, resistance and power loss can be generated in the process that the rotary table rotates and the liquid flows in the water distribution groove 4, the liquid overflows from the overflow port 17 to generate discharge momentum, the momentum in the horizontal direction of the water enters the water is equal to the sum of the rotary angular momentum of the rotary table, the power loss generated in the process that the rotary table rotates and the liquid flows to the overflow port 17 from the water distribution groove 4, and the discharge momentum generated by the liquid flowing out from the overflow port 17.
In the process of using the uniform water distributor without blockage and external power of the spray tower provided by the specific embodiment, liquid can enter the water distribution tank 4 through the water inlet 2, and in the process of flowing out of the water inlet 2, because the water inlet direction of the water inlet 2 and the water baffle 18 form a certain included angle, the liquid is sprayed to the water baffle 18 to generate certain impact force on the water baffle 18 to push the turntable to rotate relative to the outer barrel body 1; when the liquid level of the liquid is higher than the lower edge of the overflow opening 17, the liquid flows out of the overflow opening 17; the effluent liquid drops to the spray tower.
Compared with the prior art, the uniform water distributor without blockage and external power of the spray tower provided by the embodiment has the advantages that the water distribution tank 4 is opened in the use process, so that the blockage problem is avoided; in addition, the thrust generated on the water baffle 18 in the liquid inflow process of the water inlet 2 is utilized to rotate the turntable, so that additional power equipment can be avoided, and the equipment cost is reduced.
It should be noted that the water inlet 2 is connected with the water inlet pipe, the other end of the water inlet pipe is connected with the outlet of the wastewater or circulating liquid lift pump, and the water outlet at the tail end is arranged on the inner water baffle 18 with a certain inclination angle in the vertical line; the water inlet pipe is connected and fixed on the cylinder of the spray tower through a fixing piece.
The water distribution tank 4 can comprise a peripheral water inlet tank 41 arranged around the periphery and a plurality of overflow tanks 42 communicated with the peripheral water inlet tank 41, and the overflow tanks 42 are radially arranged from the central axis of the turntable in the outer barrel body 1 to the edge of the peripheral water inlet tank 41; the water inlet 2 and the water baffle 18 are both arranged in the peripheral water inlet tank 41, and the overflow port 17 is arranged in the overflow tank 42; the lower edge of the overflow 17 is lower than the upper edge of the peripheral water inlet groove 41.
As shown in fig. 1, the turntable is cylindrical, and its central axis coincides with its rotation axis, the periphery of the turntable is provided with a peripheral water inlet groove 41, and a plurality of overflow grooves 42 are radially arranged from its central axis, preferably, the overflow grooves 42 are uniformly arranged along the circumferential direction, and the widths of all the overflow grooves 42 are the same; the weirs 17 are provided on the upper edges of both side walls in the longitudinal direction of the weirs 42.
The overflow opening 17 may be trapezoidal, rectangular, V-shaped, or other desirable shapes, as the case may be.
In order to make the uniform water distributor without blockage and external power of the spray tower distribute water uniformly, the effective overflow area of the overflow port 17 is gradually increased from one end close to the central axis of the turntable to the other end along the length direction of the overflow groove 42, so that the overflow amount of liquid can meet the requirement of one rotation of the turntable (360 DEG)0) Uniform water distribution requirements that the water receiving strength of the water receiving areas with the same area in different radius intervals of unit length is equal; the effective overflow area is the area of the overflow gate 17 corresponding to the unit length of the overflow groove 42.
In the actual use process, different effective overflow areas are designed according to different service areas of the overflow areas in the rotation process of the overflow ports 17 with different radius intervals, and the specific design process is described in the principle part of the specification.
Under the condition that the elevation of the bottom of the overflow port 17 is consistent, the width of the overflow port 17 is changed in equal proportion, and the effect of uniform water distribution can be achieved.
In order to prevent the splash caused by the impact of the liquid applied to the water guard 18, a cover plate 3 for preventing the liquid from splashing may be provided in the peripheral water inlet groove 41.
The cover plate 3 is matched with the peripheral water inlet groove 41 in shape, and the cross section of the cover plate 3 is of an inverted U-shaped structure; of course, the cover plate 3 may have other shapes according to actual conditions. The cover plate 3 is connected and fixed on the cylinder of the spray tower through a fixing piece, and specifically, the cover plate 3 is fixedly connected on the outer cylinder body 1 through a fixing piece.
Preferably, the cover plate 3 is provided with an opening through which the water inlet pipe can movably pass, the diameter of the opening is 0.5-5CM larger than the outer diameter of the water inlet pipe, the length of the cover plate 3 is 4 times larger than that of the water inlet pipe, the length ratio of the front part to the rear part of the water flow of the opening is 3:1, the width of the opening is larger than that of the water inlet pipe and is slightly smaller than that of the peripheral water inlet groove 41, and the height of the opening. The cover plate 3 is embedded in the peripheral water inlet groove 41 above the water baffle 18 and below the water surface.
Preferably, the included angle between the water baffle 18 and the water inlet direction of the water inlet 2 is 30-80 degrees.
In order to facilitate the rotation of the turntable relative to the outer barrel body 1, a plurality of rollers 8 can be arranged at the lower part of the turntable to reduce the friction force.
As shown in fig. 2, the outer tub body 1 is disposed at the outside, the turntable is rotatably disposed in the outer tub body 1, the outer tub body 1 is provided with a guide plate 9 and a support plate 10 for supporting the guide plate 9, and the lower portion of the guide plate 9 is provided with a bracket 11, and the turntable is provided with a central water distribution head 5 for connecting with the outer tub body 1; the outer barrel body 1 is provided with a rotating shaft 7, the rotating shaft 7 is provided with an upper bearing 15, a lower bearing 12, a bearing seat 13, a spacer sleeve 14 arranged between the upper bearing 15 and the lower bearing 12 and a bearing gland 16, and the turntable is connected with the rotating shaft 7 through a locking nut 6; during the rotation, the upper bearing 15, the lower bearing 12 and the roller 8 are arranged, so that the rotary table can rotate with low resistance.
The design principle of the uniform distribution of overflow water of the uniform water distributor without blockage and external power of the spray tower mentioned in the application document is as follows:
a. water flow path
The liquid flows into the peripheral water inlet tank 41 from the water inlet pipe through the water inlet 2, the liquid in the peripheral water inlet tank 41 flows along a plurality of radially arranged overflow tanks 42 towards the central axis direction, and the water flow overflows to the water receiving area of the spray tower through a plurality of rectangular, trapezoidal or V-shaped overflow ports 17 arranged on the overflow tanks 42.
b. The overflow quantity is uniformly distributed
The water receiving amount of the overflow ports 17 per unit area at different positions on the water receiving area plane of the spray tower is basically the same within a set time period (generally, the time required by the rotating disc to rotate 360 degrees).
c. In the interval of different radiuses r of the radial overflow ports 17 with the same radial width, the rotating disc rotates 360 degrees, the water receiving area increases along with the radius r, the outer ring area of the two adjacent water receiving rings with the same radial width delta r increases by 2 pi delta r compared with the inner ring area2The inner ring corresponds to a water receiving area A from r-delta r to r, and the outer ring corresponds to a water receiving area B from r to r + delta r; the loop area and change decision formula is as follows:
the area of the inner ring: s inner ═ pi r 2-pi (r- Δ r)2 ═ pi (2r Δ r- Δ r2)
Area of the outer ring: s outer ═ pi (r + Δ r) 2-pi r2 ═ pi (2r Δ r + Δ r2)
Area difference of outer ring to inner ring: Δ S outer-S inner 2 pi Δ r2
Wherein r is the boundary radius m between the outer ring and the inner ring; delta r-the radial width m (set according to 0.20-1.00 m) of two adjacent water receiving circular rings;
d. and (3) calculating the overflow rate of the overflow gaps 17 on the adjacent two water receiving circular overflow grooves 42:
inner ring overflow rate: q is internally ═ A1H1V1
Outer ring overflow rate: q is externally equal to A2H2V2
Calculating a setting condition: the radial widths delta r of the two adjacent water receiving circular rings are the same; the running water level of the overflow port 17 on the overflow groove 42 is the same; the bottoms of the overflow ports 17 are the same in height; if the overflow port 17 is trapezoidal, the inclination angles of two sides of the trapezoid are the same; the overflow resistance of the overflow port 17 is not counted. The calculation formula of the overflow quantity Q of the underflow port 17 under the set conditions is as follows:
H1＝H2＝H；V1＝V2＝V
inner ring overflow rate: q is internally ═ A1HV
Outer ring overflow rate: qOuter cover＝A2HV＝(A1+ΔA)HV
The requirement of uniform distribution of water quantity according to water receiving quantity is met:
Souter cover/SInner part＝QOuter cover/QInner part
(A1+ΔA)HV/A1HV＝QOuter cover/QInner part＝(QInner part+2πΔr2)/QInner part
ΔA＝2πΔr2A1/QInner part＝2πΔr2/HV
Ai-average width m of the weirs 17 of the weirs; h- -design running state overflow gap 17 depth of water m (set according to 0.01-0.10 m); the flow velocity of the overflow port 17 is m/s;
from the above calculation formula, it can be seen that the design of the overflow ports 17 only needs to determine the running state underflow water depth H, the flow velocity V of the overflow ports 17, and the radial width Δ r of two adjacent water receiving rings, so as to calculate the sum Σ Δ Ai of the difference between the outer average width of each overflow port 17 and the inner average width of each overflow port 17 in the rotary table corresponding to the two water receiving rings, where the sum Σ Δ Ai of the difference of the overflow ports 17 except the total number N of the overflow ports 17 in the ring is the average width increase Δ Ai of a single overflow port 17, thereby calculating and determining the average width Ai of each overflow port 17 in each overflow tank 42 of the inner ring, and the average width Ai of each overflow port 17 in each overflow tank 42 of the outer overflow ports 17 is Ai + Δ Ai.
The flow velocity V of the overflow port 17 is calculated by the formula:
V＝Q/H∑Ai
v-17 flow velocity m/s of the overflow port; q- -Total Water inflow Rate m3S; h- -design running state overflow gap 17 depth of water m (set according to 0.01-0.10 m); Σ Ai- -the sum of the average width of the overflow regions of the overflow slots 17 (in terms of water distribution turntable)10% -60% m of the total length of the overflow tank 42).
The water distribution rotary table rotation principle: the inlet 2 fixed above the inlet groove on the peripheral wall generates momentum P according to a certain inclination angle and speed1
P1＝m1v1
P1-a momentum in the horizontal direction kg.m/s; m is1-water intake kg at time interval of speed variation; v. of1- -partial velocity m/s in the horizontal direction of the influent water
The water flow impacts the water inlet baffle 18 of the peripheral wall of the water inlet tank to generate an angular momentum L1
L1＝r1P1＝r1m1v1
L1- -influent water flow horizontal angular momentum kgm2/s；r1Radius m of the water distribution turntable;
the water flow impacting the water deflector 18 in the peripheral water inlet tank 41 rotates together with the turntable, and the turntable and the water form an angular momentum L together2，
∑Li＝∑riPi＝∑rimivi
∑LiThe sum of the angular momentum of the particles of the water distribution rotating disk is k.gm2/s；PiEach particle momentum kgm/s of the water distribution rotating disci；riRadius m of each particle of the water distribution rotating disc; m isiWeight kg of each particle of the water distribution rotating disc; v. ofiEach particle velocity m/s of the water distribution rotating disc
According to the law of conservation of angular momentum, under the condition of no other external force
L1＝∑LiNamely r1m1v1＝∑rimivi
The rotating speed of the turntable is gradually increased along with the continuous impact of water flow on the water baffle 18, the rotation of the turntable in a bearing during the rotation of the turntable in practical use can generate resistance and energy loss when the pulley rotates and the water flow flows in the water distribution groove 4, and when the relative difference between the horizontal direction speed of the water flow impacting the water baffle 18 and the gradually increased linear speed of the water baffle 18 is gradually close, the impact force is synchronously and gradually reduced, and when the kinetic energy loss formed by the impact force is balanced with the kinetic energy loss of the rotation of the turntable, the flow of the water flow in the water distribution groove 4 of the turntable and the like, the turntable rotates.
The following describes specific embodiments:
(1) overview
The device name: diameter of 8m and water inlet rate of 20m3Water distribution rotary table
Implementation of object and device features:
a, no water flow stirring function exists in the tower body;
b, requiring that the unit areas of different positions of the cross section have basically the same sprayed water receiving amount in a set time period, so that the pollution removal volume load of each area in the treatment tower is basically the same;
c, no blockage is caused under the condition of high sludge concentration;
d the device rotates without adding a motor.
The device has the following application range: the waste gas treatment tower, the waste water and the waste gas treatment tower (three-phase contact biological treatment tower) are sprayed to distribute water uniformly.
(2) The diameter of the invention is 8m, and the water inlet speed is 20m3Technical parameters of water distribution turntable
TABLE 1-1 diameter 8m, water entry rate 20m according to the invention3Water distribution turntable technical parameter table
(3) The diameter of the prior art device is 8m, and the water inlet speed is 20m3Technical parameters of water distribution turntable
TABLE 1-2 diameter of prior art apparatus 8m, water inlet rate 20m3Water distribution turntable technical parameter table
(4) Compared with the existing effect, the invention
Table 1-3 comparison of the effect of the present invention with the existing water distribution turntable
Besides the above uniform water distributor without blockage and external power, the present application also provides a spray tower for treating wastewater and waste gas, which comprises the uniform water distributor without blockage and external power disclosed in the above embodiments, and other structures of the spray tower for treating wastewater and waste gas are not described herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The spray tower for treating wastewater and waste gas and the uniform water distributor without blockage and external power provided by the invention are introduced in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (11)
1. The utility model provides a uniform water distributor of no jam no external power which characterized in that includes: the water distribution device comprises an outer barrel body (1) and a rotary table which can be rotatably arranged relative to the outer barrel body (1), wherein the rotary table is provided with a water distribution tank (4) which is used for storing liquid and is opened upwards, a water inlet (2) which is used for enabling the liquid to enter the water distribution tank (4) and a water baffle (18);
a plurality of overflow ports (17) which can enable the liquid to overflow are arranged on the upper edge of the side wall of the water distribution tank (4); the overflow ports (17) are arranged in proportion to the water receiving areas of different areas of the spray tower according to the overflow area, so that uniform water distribution is realized;
the water baffle (18) and the water inlet direction of the water inlet (2) are arranged at a certain included angle, so that the liquid acts on the water baffle (18) to push the rotary table to rotate relative to the outer barrel body (1).
2. The non-clogging and non-power-applied uniform water distributor according to claim 1, wherein the water distribution trough (4) comprises a peripheral water inlet trough (41) arranged around the periphery and a plurality of overflow troughs (42) communicated with the peripheral water inlet trough (41), the overflow troughs (42) are arranged in a radial manner from the central axis of the rotating disc in the outer barrel body (1) to the edge of the peripheral water inlet trough (41);
the water inlet (2) and the water baffle (18) are both arranged in the peripheral water inlet groove (41), and the overflow port (17) is arranged in the overflow groove (42); the lower edge of the overflow opening (17) is lower than the upper edge of the peripheral water inlet groove (41).
3. The non-clogging and non-powered uniform water distributor according to claim 2, characterized in that all the overflow grooves (42) have the same width, and the overflow grooves (42) are uniformly arranged along the circumferential direction of the rotating disk.
4. The non-clogging and non-powered uniform water distributor according to claim 3, wherein the weirs (17) are disposed at the upper edges of the side walls of the peripheral water inlet grooves (41) and the length direction of the weirs (42), and the weirs (17) are trapezoidal, rectangular or V-shaped.
5. The non-clogging and non-powered uniform water distributor according to claim 2, characterized in that the effective water overflowing area of the water overflowing opening (17) gradually increases from one end close to the central axis of the rotating disc to the other end along the length direction of the water overflowing groove (42) so that the overflowing amount of the liquid can satisfy one rotation (360) of the rotating disc0) Uniform water distribution requirements that the water receiving strength of the water receiving areas with the same area in different radius intervals of unit length is equal;
the effective overflow area is the area of the overflow port (17) corresponding to the unit length of the overflow groove (42).
6. The non-clogging and non-powered uniform water distributor according to claim 2, characterized in that the peripheral water inlet tank (41) is provided with a cover plate (3) for preventing the liquid from splashing, and the cover plate (3) is covered in the peripheral water inlet tank.
7. The non-clogging and non-powered uniform water distributor according to claim 6, characterized in that the shape of the cover plate (3) is matched with the peripheral water inlet grooves (41), and the cross section of the cover plate (3) is an inverted U-shaped structure and the width of the cover plate is smaller than the width of the peripheral water inlet grooves (41).
8. The non-clogging and non-external power uniform water distributor according to any one of claims 1-7, characterized in that the angle between the water baffle (18) and the water inlet direction of the water inlet (2) is 30-80 °.
9. The non-clogging and non-powered uniform water distributor according to any one of claims 1-7, characterized in that the lower part of the rotating disk is provided with rollers (8) for facilitating the rotation thereof.
10. The non-clogging and non-powered uniform water distributor according to any one of claims 1-7, characterized in that the rotating disc is rotatably connected to the outer tub (1) by a bearing, and the central axis of the rotating disc coincides with its axis of rotation.
11. A spray tower for treating waste water and waste gas, which comprises the uniform water distributor without blockage and external power of any one of claims 1 to 10.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032300.8A CN112875775B (en) | 2021-01-11 | 2021-01-11 | Spray tower for treating waste water and waste gas, non-blocking uniform water distributor without external power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032300.8A CN112875775B (en) | 2021-01-11 | 2021-01-11 | Spray tower for treating waste water and waste gas, non-blocking uniform water distributor without external power |
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| CN112875775A true CN112875775A (en) | 2021-06-01 |
| CN112875775B CN112875775B (en) | 2022-04-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115299272A (en) * | 2022-08-01 | 2022-11-08 | 严合国 | Rice seedling raising device and method |
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| CN208095430U (en) * | 2018-04-26 | 2018-11-16 | 孙嘉寅 | A kind of agricultural rice shoot incubator |
| CN209055280U (en) * | 2018-11-27 | 2019-07-02 | 苏州市鑫达试验设备有限公司 | A kind of circulating water-saving rain test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4278621A (en) * | 1977-12-22 | 1981-07-14 | Union Carbide Corporation | Vapor-liquid contacting system |
| US4689511A (en) * | 1986-03-31 | 1987-08-25 | Emerson Electric Co. | Drain assembly for an electric motor |
| CN207276306U (en) * | 2017-09-06 | 2018-04-27 | 北京北华中清环境工程技术有限公司 | A kind of adjustable flow anti-clogging up-flow water distributor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115299272A (en) * | 2022-08-01 | 2022-11-08 | 严合国 | Rice seedling raising device and method |
| CN115299272B (en) * | 2022-08-01 | 2024-02-27 | 严合国 | Rice seedling raising device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112875775B (en) | 2022-04-22 |
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Denomination of invention: Spray tower for waste water and waste gas treatment, uniform water distributor without blockage and external power Effective date of registration: 20221115 Granted publication date: 20220422 Pledgee: Bank of Communications Ltd. Jinhua branch Pledgor: ZHEJIANG HAIHE ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2022110000315 |
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Granted publication date: 20220422 Pledgee: Bank of Communications Ltd. Jinhua branch Pledgor: ZHEJIANG HAIHE ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2022110000315 |
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