CN208203674U - Centrifugal fan and sewage disposal system - Google Patents
Centrifugal fan and sewage disposal system Download PDFInfo
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- CN208203674U CN208203674U CN201721153568.2U CN201721153568U CN208203674U CN 208203674 U CN208203674 U CN 208203674U CN 201721153568 U CN201721153568 U CN 201721153568U CN 208203674 U CN208203674 U CN 208203674U
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- Prior art keywords
- centrifugal fan
- type body
- impeller
- spiral case
- volute type
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Abstract
The utility model discloses a kind of centrifugal fan and sewage disposal systems, are related to fluid separation techniques field, with solve existing ventilation blower be unable to reach blending transportation and isolated effect with realize to smell is handled in sewage the technical issues of.Centrifugal fan described in the utility model, it include: volute type body, volute type body is equipped with water inlet, water outlet and exhaust outlet, impeller is provided in volute type body, it closes at the blade exit of impeller and is provided with porous plate in spiral case, continuous poriferous plate in continuous poriferous plate and spiral case inlet pressure is additionally provided in spiral case inlet pressure in volute type body and closes on exhaust ports setting.
Description
Technical field
The utility model relates to fluid separation techniques field, in particular to a kind of centrifugal fan and sewage treatment system
System.
Background technique
Currently, existing fluid industry is broadly divided into conveying liquid (water pump) and air (ventilation blower) two major classes, and existing
Ventilation blower can only carry out individually convey without can be carried out blending transportation and separation.
However, present inventor find, needed in sewage treatment industry in sewage hydrone and air carry out
After separation, just it is able to achieve the purpose individually handled smell namely existing ventilation blower is unable to reach blending transportation and divides
From effect, to realize processing to smell in sewage.
Therefore, how a kind of centrifugal fan and sewage disposal system are provided, can either blending transportation can separate again
Hydrone and air in sewage, it has also become the technical issues of those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of centrifugal fan and sewage disposal systems, existing logical to solve
Blower be unable to reach blending transportation and isolated effect with realize to smell is handled in sewage the technical issues of.
The utility model provides a kind of centrifugal fan, comprising: volute type body, the volute type body are equipped with water inlet
Mouthful, water outlet and exhaust outlet, be provided with impeller in the volute type body, close at the blade exit of the impeller and be provided with snail
Porous plate in shell is additionally provided in the volute type body in spiral case inlet pressure continuous in continuous poriferous plate and the spiral case inlet pressure
Porous plate closes on the exhaust ports setting;Sewage is entered in the volute type body by the water inlet, in the impeller
Porous plate is collided and is discharged by porous plate in the spiral case in blade and the spiral case under high speed rotation effect through the impeller,
And collided again with plate continuous poriferous in the spiral case inlet pressure, the hydrone and air after multiple high velocity impact in sewage are short
It is temporarily separated in time, while under the centrifugal pressure that the impeller high speed rotation generates, the water and air after separation is through difference
Direction drain and reach aqueous vapor separation.
Wherein, the blade shape of the impeller is backward tilt, and the impeller is connected with motor.
Specifically, the impeller is connect by installing axle sleeve with the motor.
Further, the model of the motor are as follows: B35 or B5, the protection level of the motor are as follows: >=IP55, the electricity
The revolving speed of machine are as follows: >=2900rpm.
When practical application, the aperture of porous plate is 0.2-1.0mm in the spiral case.
Wherein, the two sides of porous plate pass through shroud and hub disk respectively and connect with the volute type body in the spiral case.
Specifically, the exhaust outlet is communicated with fumer.
Further, the volute type body is additionally provided with air intlet, and the air intlet closes on the water inlet and sets
It sets.
Further, it is respectively arranged on the air intlet and the exhaust outlet and facilitates the water pipe of connection is straight-through to connect
Head.
Preferably, the material of the volute type body is 304 stainless steels or 316 stainless steels.
Compared with the existing technology, centrifugal fan described in the utility model has the advantage that
Centrifugal fan provided by the utility model, comprising: volute type body, volute type body are equipped with water inlet, go out
The mouth of a river and exhaust outlet are provided with impeller in volute type body, close at the blade exit of impeller and be provided with porous plate in spiral case, snail
It it is additionally provided in spiral case inlet pressure continuous poriferous plate in continuous poriferous plate and spiral case inlet pressure in shell molding machine body closes on exhaust ports and set
It sets;Sewage is entered in volute type body by water inlet, more in blade and spiral case through impeller under the high speed rotation effect of impeller
Orifice plate is collided and is discharged by porous plate in spiral case, and is collided again with plate continuous poriferous in spiral case inlet pressure, through multiple high velocity impact
The hydrone in sewage is temporarily separated in a short time with air afterwards, while under the centrifugal pressure that impeller high speed rotation generates,
Water and air after separation drains through different directions and reaches aqueous vapor separation.In conclusion centrifugation provided by the utility model
Formula ventilation blower, can either blending transportation can separate hydrone and air in sewage again, so as to effectively in sewage
Smell handled.
The utility model also provides a kind of sewage disposal system, comprising: the centrifugal ventilation as described in any one of above-mentioned
Machine.
Possessed advantage is identical compared with the existing technology with above-mentioned centrifugal fan for the sewage disposal system, herein
It repeats no more.
That is, the sewage disposal system provided by the utility model, can either blending transportation can separate in sewage again
Hydrone and air, so as to effectively handle the smell in sewage.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the first viewing angle constructions schematic diagram of centrifugal fan provided by the embodiment of the utility model;
Fig. 2 is the second viewing angle constructions schematic diagram of centrifugal fan provided by the embodiment of the utility model;
Fig. 3 is the first viewing angle constructions signal of impeller wheel portion in centrifugal fan provided by the embodiment of the utility model
Figure;
Fig. 4 is the second viewing angle constructions signal of impeller wheel portion in centrifugal fan provided by the embodiment of the utility model
Figure.
In figure: 1- volute type body;11- water inlet;12- water outlet;13- exhaust outlet;2- impeller;In 3- spiral case
Porous plate;Continuous poriferous plate in 4- spiral case inlet pressure;5- motor;6- installs axle sleeve;71- shroud;72- hub disk;14- air
Import.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the first viewing angle constructions schematic diagram of centrifugal fan provided by the embodiment of the utility model;Fig. 2 is this reality
With the second viewing angle constructions schematic diagram of the centrifugal fan that new embodiment provides.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of centrifugal fan, comprising: volute type body 1,
Volute type body 1 is equipped with water inlet 11, water outlet 12 and exhaust outlet 13, is provided with impeller 2 in volute type body 1, closes on impeller 2
Blade exit at be provided with porous plate 3 in spiral case, be additionally provided in volute type body 1 in spiral case inlet pressure continuous poriferous plate 4 and
Continuous poriferous plate 4 closes at exhaust outlet 13 and is arranged in spiral case inlet pressure;Sewage is entered in volute type body 1 by water inlet 11, in leaf
Porous plate 3 is collided and is discharged by porous plate 3 in spiral case in blade and spiral case through impeller 2 under the high speed rotation effect of wheel 2, and again
Secondary to collide with plate 4 continuous poriferous in spiral case inlet pressure, the hydrone and air after multiple high velocity impact in sewage are in a short time
It is temporarily separated, while under the centrifugal pressure that 2 high speed rotation of impeller generates, the water and air after separation is drained through different directions
And reach aqueous vapor separation.
Compared with the existing technology, centrifugal fan described in the utility model embodiment has the advantage that
Centrifugal fan provided by the embodiment of the utility model, as depicted in figs. 1 and 2, comprising: volute type body 1, snail
Shell mould body 1 is equipped with water inlet 11, water outlet 12 and exhaust outlet 13, is provided with impeller 2 in volute type body 1, closes on impeller 2
It is provided with porous plate 3 in spiral case at blade exit, continuous poriferous plate 4 and snail in spiral case inlet pressure are additionally provided in volute type body 1
Continuous poriferous plate 4 closes at exhaust outlet 13 and is arranged in shell mould line;Sewage is entered in volute type body 1 by water inlet 11, in impeller 2
High speed rotation effect under in blade and spiral case through impeller 2 porous plate 3 collide and be discharged by porous plate 3 in spiral case, and again
It is collided with plate 4 continuous poriferous in spiral case inlet pressure, the hydrone and air after multiple high velocity impact in sewage are temporary in a short time
When separate, while under the centrifugal pressure that 2 high speed rotation of impeller generates, water and air after separation drain through different directions and
Reach aqueous vapor separation.In conclusion centrifugal fan provided by the embodiment of the utility model, can either blending transportation again can
The hydrone and air in sewage are separated, so as to effectively handle the smell in sewage.
Herein it should be added that, in centrifugal fan provided by the embodiment of the utility model, such as Fig. 1 and Fig. 2
Shown, when water and air after separation drains through different directions and reaches aqueous vapor separation, water is discharged by water outlet 12, air by
Exhaust outlet 13 is discharged, to realize the purpose of aqueous vapor separation.
In addition, as shown in Fig. 2, in centrifugal fan provided by the embodiment of the utility model, porous plate 3 and snail in spiral case
The shape harmony of lines of shell mould body 1.
Also, the effect of volute type body 1 is the gas guiding volute outlet that will leave impeller 2, and part dynamic pressure is turned
Become static pressure.The structure of spiral case is complicated space curved surface body, and theoretically, the molded line of spiral case is helix, but due to helix
Structure is more complex, it is difficult to manual drawing, therefore in production usually with simplified model come approximate.Wherein, volute type body 1
Molded line is not only directly related to the flow losses in spiral case, also has a significant impact to the aeroperformance of impeller 2, being capable of direct shadow
Ring the performance parameters such as efficiency and output flow, the pressure of blower.
Fig. 3 is the first viewing angle constructions signal of impeller wheel portion in centrifugal fan provided by the embodiment of the utility model
Figure;Fig. 4 is the second viewing angle constructions schematic diagram of impeller wheel portion in centrifugal fan provided by the embodiment of the utility model.
Wherein, as Figure 1-Figure 4, in centrifugal fan provided by the embodiment of the utility model, above-mentioned impeller 2
Blade shape can be backward tilt, i.e. the angle of outlet of the blade of impeller 2 can be effectively improved less than 90 degree using backward tilt blade
The rotation efficiency of impeller 2;Also, the impeller 2 can connect motor 5, to be rotated simultaneously by 5 impeller 2 of motor
Centrifugal force is generated, and then is temporarily separated the hydrone in sewage in a short time from air and passes through different directions in time
(water is by water outlet 12, air by exhaust outlet 13) discharge.
It should be added that, when the angle of outlet of the blade of impeller 2 is greater than 90 degree, the form of blade is to lean forward herein
Formula.Since when from blower size and revolving speed all, the angle of outlet is bigger, and the pressure of generation is higher, therefore forward tilt and hypsokinesis
The advantage that formula is compared is that total head pressure is bigger.But the specific gravity that forward tilt blower dynamic head accounts for total head pressure is also bigger, and air velocity is high,
Loss when being converted into static pressure is also just bigger, thus the height that efficiency does not have backward tilt.
Specifically, in order to improve impeller 2 rotate when stability, as shown in figure 3, it is provided by the embodiment of the utility model from
In core type ventilation blower, above-mentioned impeller 2 can be connect by installation axle sleeve 6 with motor 5.
Further, when actual production manufactures, in centrifugal fan provided by the embodiment of the utility model, above-mentioned motor
5 model can be with are as follows: B35 or B5;Also, the protection level of the motor 5 can be with are as follows: >=IP55, the revolving speed of motor 5 can be with are as follows:
≥2900rpm。
Certainly, the concrete model, protection level of motor 5 and revolving speed herein also with no restrictions, other reasonable models, Protection Level
Other and revolving speed.
It should be added that, above-mentioned B35 type or B5 type motor belong to the installation of FF flange herein;Wherein, B35 type electricity
Machine band footing, B5 type motor is without footing.
It is provided by the embodiment of the utility model centrifugal logical in order to preferably realize aqueous vapor separating effect when practical application
In blower, the aperture of porous plate 3 can be preferably 0.2-1.0mm in above-mentioned spiral case.Such as: 0.2mm, 0.5mm, 0.8mm,
1.0mm waiting.
Certainly, in spiral case the specific size in the aperture of porous plate 3 herein also with no restrictions, other reasonable sizes.
Also, it is provided by the embodiment of the utility model centrifugal logical in order to further preferably realize aqueous vapor separating effect
In blower, multiple holes can be equipped in above-mentioned spiral case on porous plate 3, multiple hole can be uniformly distributed.
Certainly, in centrifugal fan provided by the embodiment of the utility model, in above-mentioned spiral case inlet pressure on continuous poriferous plate 4
Multiple holes can also be equipped with, and multiple hole can also be preferably uniformly distributed.
Wherein, when practical set, as shown in figure 3, in centrifugal fan provided by the embodiment of the utility model, above-mentioned snail
The two sides of porous plate 3 can be connect by shroud 71 and hub disk 72 with volute type body 1 respectively in shell, to guarantee more in spiral case
The shape harmony of lines of orifice plate 3 and volute type body 1.
Specifically, in order to concentrate the processing for carrying out relatively optimization to the smell in sewage, as shown in Fig. 2, this is practical new
In the centrifugal fan that type embodiment provides, above-mentioned exhaust outlet 13 can be communicated with fumer, to pass through the fumer
It is arranged and the gas after separation is collected, and then is conducive to carry out a series of processing such as subsequent deodorizations.
Further, in order to prevent 2 high speed rotation of impeller in volute type body 1 when generate negative pressure, as shown in Figure 1, this
In the centrifugal fan that utility model embodiment provides, above-mentioned volute type body 1 is also provided with air intlet 14, and the sky
Gas import 14 can close on the setting of water inlet 11, so as to enter suitable air by the air intlet 14, with effectively anti-
Negative pressure only is generated when 2 high speed rotation of impeller in volute type body 1, and leads to impacting to mask work.
Further, in centrifugal fan provided by the embodiment of the utility model, above-mentioned air intlet 14 and exhaust
It can be respectively arranged with the water pipe straight coupling for facilitating connection on mouth 13, thus in an inactive state, it can be straight by water pipe
Pass joint connection water pipe and to being cleaned at air intlet 14 and exhaust outlet 13.
Preferably, in centrifugal fan provided by the embodiment of the utility model, the material of above-mentioned volute type body 1 can be with
For 304 stainless steels or 316 stainless steels.
Certainly, the specific material of volute type body 1 herein also with no restrictions, other reasonable materials.
It should be added that, 304 stainless steels are a kind of material common in stainless steel, density 7.93g/ herein
Cm3, in the industry also referred to as 18/8 stainless steel;800 degree of high temperature resistant, have processing performance good, the high feature of toughness is widely used in work
Industry and furniture decoration industry and food medical industry.304 be a kind of stainless steel of versatility, it be widely used for production require it is good
The equipment and parts of good comprehensive performance (corrosion-resistant and mouldability);For the corrosion resistance for keeping stainless steel intrinsic, steel is necessary
Contain 18% or more chromium, 8% or more nickel content;304 stainless steels are the stainless steels produced according to U.S.ASTM standard
A trade mark.
In addition, 316 stainless steels are a kind of stainless steels, because adding Mo element, have its corrosion resistance and elevated temperature strength biggish
It improves, high temperature resistant can reach 1200-1300 degree, can use under conditions of severe cruel.Main application has paper pulp and paper grade (stock) equipment
Heat exchanger, film rinsing equipment, pipeline, uses material outside the building of coastal region at dyeing installation.
The utility model embodiment also provides a kind of sewage disposal system, comprising: the centrifugation as described in any one of above-mentioned
Formula ventilation blower.
In sewage disposal system provided by the embodiment of the utility model, as include as described in any one of above-mentioned from
Core type ventilation blower, therefore sewage is entered in volute type body 1 by water inlet 11, through impeller 2 under the high speed rotation effect of impeller 2
Blade and spiral case in porous plate 3 collide and be discharged by porous plate 3 in spiral case, and again with plate 4 continuous poriferous in spiral case inlet pressure
Collision, the hydrone after multiple high velocity impact in sewage is temporarily separated in a short time with air, while being revolved at a high speed in impeller 2
It changes the line of production under raw centrifugal pressure, the water and air after separation drains through different directions and reaches aqueous vapor and separate.To sum up, this is practical
New embodiment provide sewage disposal system, can either blending transportation can separate hydrone and air in sewage again, from
And effectively the smell in sewage can be handled.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of centrifugal fan characterized by comprising volute type body, the volute type body are equipped with water inlet, go out
The mouth of a river and exhaust outlet are provided with impeller in the volute type body, close at the blade exit of the impeller and be provided in spiral case
Porous plate is additionally provided in the volute type body in spiral case inlet pressure continuous poriferous in continuous poriferous plate and the spiral case inlet pressure
Plate closes on the exhaust ports setting.
2. centrifugal fan according to claim 1, which is characterized in that the blade shape of the impeller is backward tilt,
The impeller is connected with motor.
3. centrifugal fan according to claim 2, which is characterized in that the impeller passes through installation axle sleeve and the electricity
Machine connection.
4. centrifugal fan according to claim 2 or 3, which is characterized in that the model of the motor are as follows: B35 or B5,
The protection level of the motor are as follows: >=IP55, the revolving speed of the motor are as follows: >=2900rpm.
5. centrifugal fan according to claim 1, which is characterized in that the aperture of porous plate is in the spiral case
0.2-1.0mm.
6. centrifugal fan according to claim 1, which is characterized in that the exhaust outlet is communicated with fumer.
7. centrifugal fan according to claim 1, which is characterized in that the volute type body be additionally provided with air into
Mouthful, and the air intlet closes on the water inlet setting.
8. centrifugal fan according to claim 7, which is characterized in that divide on the air intlet and the exhaust outlet
It is not provided with the water pipe straight coupling for facilitating connection.
9. centrifugal fan according to claim 1, which is characterized in that the material of the volute type body is not 304 not
Become rusty steel or 316 stainless steels.
10. a kind of sewage disposal system characterized by comprising such as above-mentioned centrifugation of any of claims 1-9
Formula ventilation blower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721153568.2U CN208203674U (en) | 2017-09-08 | 2017-09-08 | Centrifugal fan and sewage disposal system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721153568.2U CN208203674U (en) | 2017-09-08 | 2017-09-08 | Centrifugal fan and sewage disposal system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208203674U true CN208203674U (en) | 2018-12-07 |
Family
ID=64489147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721153568.2U Expired - Fee Related CN208203674U (en) | 2017-09-08 | 2017-09-08 | Centrifugal fan and sewage disposal system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208203674U (en) |
-
2017
- 2017-09-08 CN CN201721153568.2U patent/CN208203674U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190908 |