CN113441293A - Low-noise disc separator housing - Google Patents
Low-noise disc separator housing Download PDFInfo
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- CN113441293A CN113441293A CN202110799263.3A CN202110799263A CN113441293A CN 113441293 A CN113441293 A CN 113441293A CN 202110799263 A CN202110799263 A CN 202110799263A CN 113441293 A CN113441293 A CN 113441293A
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- cover
- machine body
- separator housing
- low noise
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a low-noise disc separator housing which comprises a cover, a body and a cyclone, wherein the cover is fixedly connected with the body, the body is fixedly connected with the cyclone, hollow interlayers for liquid to pass through are respectively arranged on the cover and the body, the hollow interlayer of the cover is communicated with the inside of the hollow interlayer of the body, and a group of spoilers are arranged in the cover. The invention has the advantages that a large amount of backflow generated in the middle of the cover due to high-speed rotation of the rotary drum can be effectively blocked, the special flow channel design reduces the noise generated by long-time rotary flow of gas and slag phases in a space formed by the rotary drum and the cover shell, and the special slag discharge flow channel and the cyclone design can help to reduce the noise generated by gas rotation.
Description
Technical Field
The invention belongs to the technical field of disc type separator equipment, relates to a housing structure of a disc type separator, and particularly relates to a housing capable of effectively reducing noise of the separator.
Background
The disc separator is used as separation equipment, a rotor is driven by a motor to drive a rotary drum to rotate at a high speed, heavy phases in mixed liquid in the rotary drum are settled on a disc and are accumulated in a slag cavity through centrifugal force under the action of centrifugal force generated by high-speed rotation, manual slag discharge or automatic slag discharge is performed, and light phases are output through a centripetal pump. The separation equipment for separating solid and liquid or light and heavy phase liquid is widely applied to the fields of medicine, food, chemical industry, ships and the like due to the strong separation efficiency.
At present, the general structure of a disc separator consists of a motor, a transmission device, a rotary drum in a core separation place and a material inlet and outlet device, wherein the structures are all arranged on a frame structure, and the rotary drum is arranged in a housing consisting of a machine body and a machine cover. As separation requirements increase, the drum speed also increases and air noise between the drum and the housing is of increasing concern. Moreover, with the improvement of industrialization level and the improvement of sensory requirements of people, the requirements on noise of machine products are higher and higher.
At present, the research on the disc separator is limited to the aspects of service life and sealing effect, for example, the chinese patent with publication number CN202638604U, and no research on the noise reduction aspect of the disc separator has been found.
Disclosure of Invention
The invention aims to provide a housing structure design capable of effectively reducing noise between a rotary drum and a housing aiming at the defects in the prior art, wherein the housing is arranged outside the rotary drum, so that the problem of high noise in the conventional design can be solved.
In order to achieve the above purpose, the invention provides a low-noise disc separator casing, which is characterized in that: including cover, fuselage and swirler, cover and fuselage fixed connection, fuselage and swirler fixed connection, cover, fuselage are equipped with the cavity intermediate layer that supplies liquid to pass through respectively, the cavity intermediate layer of cover is linked together with the cavity intermediate layer of fuselage is inside, be provided with a set of spoiler in the cover.
The hollow interlayer design of the invention can supplement liquid in the interlayer, and the liquid flows between the machine body and the machine cover to absorb heat generated by the rotation of the rotary drum and play a role in reducing noise. Meanwhile, researches find that one of the noise sources of the disc separator is a large amount of backflow generated by the high-speed rotation of the rotary drum in the middle part of the cover, and the backflow interferes with the inner wall of the cover to cause larger noise.
The machine cover hollow interlayer and the machine body hollow interlayer are communicated in an internal communication mode, and a connecting interface cannot be seen from the outside, and the method specifically comprises the following steps: the connecting pin is communicated with the lower flange of the machine cover in a mode of designing the connecting pin, the connecting pin is of a through hole structure, and the pin is connected with the upper flange of the machine body in a close fit mode and is connected with the lower flange of the machine cover in a clearance fit mode. Thus, the structure is adopted to position the relative angle of the machine body and the machine cover and also play a role in communicating the cooling liquid of the machine body and the machine cover.
The invention further adopts the following technical scheme:
preferably, a rotational flow type flow channel is arranged in the machine body, one end of the rotational flow type flow channel is communicated with the slag discharge port of the rotary drum, and the other end of the rotational flow type flow channel is communicated with the inlet of the cyclone.
Preferably, the swirl flow channel has an angle and a direction of rotation.
The flow channel adopts a rotational flow design and has a certain angle and a certain rotational direction, so that the slag discharged by the rotary drum can be more favorably discharged into the cyclone under the condition of the flow channel, the slag phase separated by the separator can be quickly discharged, and the slag phase can be quickly discharged, thereby being favorable for reducing the noise in the housing.
Preferably, the spoiler has a trapezoidal plate shape.
Preferably, a small valve dismounting and mounting sealing plate is arranged on the machine body and located at the central line of the small valve structure of the rotary drum component.
The small valve dismounting and mounting sealing plate structure is adopted, the small valve device in the automatic slag discharging structure can be conveniently dismounted, only the small valve device can be dismounted under the condition of incomplete dismounting, the wearing parts of the small valve structure can be more conveniently replaced, and the special small valve dismounting and mounting sealing plate design avoids the condition of slag accumulation at the position of the small valve structure.
Preferably, a slag phase outlet is formed in the lower portion of the machine body in the tangential direction, and the slag phase outlet is composed of a square bottom and a circular arc top.
The slag phase outlet of the machine body is designed in the tangential direction, is of a round-top structure, and is used as transition between the machine body and the cyclone, so that the phenomenon that the flow direction of fluid is changed after the slag phase discharged from the machine body enters the cyclone is avoided, and the conversion of the direction and the flow channel is completed while the slag phase is discharged.
Preferably, the inner cavity of the cyclone is provided with helical blades, the pitch of the helical blades is determined according to the size of the cyclone, the inclination angle of the helical blades is 10 +/-2 degrees, the inner and outer half cone angles can be 0-10 degrees, the initial angle can be 0-5 degrees, and the rotating direction is consistent with the rotating direction of the rotary drum.
The cyclone provided by the invention adopts a spiral design with flow guide and subjected to angle calculation, and the structure can effectively improve the condition that no design exists in the cyclone, so that the condition that the fluid flows out completely depends on the condition that the fluid in the cyclone is always refluxed is also improved, and the noise generated by the constant rotation of the gas in the device is further reduced.
Preferably, a slag phase outlet of the machine body is provided with a slag discharging flow channel flushing structure.
The invention is provided with a slag discharging flow passage washing structure which is provided with a special spray head structure, and can well wash the slag phase of the flow passage.
Preferably, the bottom of the machine body is provided with a water outlet structure, and the water outlet structure is communicated with a lower flange of the machine body.
By adopting the bottom water outlet structure, the water accumulated at the bottom of the machine body can be prevented from entering a transmission system to influence the stable operation of the whole machine.
Preferably, the top of the machine cover is provided with a liquid outlet communicated with the hollow interlayer, the lower part of the machine body is provided with a liquid inlet communicated with the hollow interlayer, the liquid inlet and the liquid outlet are respectively connected with a conveying pipe, and the conveying pipe is provided with a flow regulating device.
The invention adopts the form of water pin to communicate the upper flange of the machine body with the lower flange of the machine cover between the machine body and the machine cover, as shown in figure 2, a cooling medium is connected from the bottom of the machine body and is discharged from the upper part of the machine cover, no connecting port is arranged outside the machine body and the machine cover, even a built-in interlayer is not seen from the appearance, no redundant interface is arranged on the appearance, and the whole machine body and the machine cover are communicated, so that the heat generated by the friction air generated by the high-speed rotation of the rotary drum can be effectively reduced, and the separator can more stably run to a certain extent, thereby reducing the vibration noise.
The invention has the advantages that a large amount of backflow generated in the middle of the cover due to high-speed rotation of the rotary drum can be effectively blocked, the special flow channel design reduces the noise generated by long-time rotary flow of gas and slag phases in a space formed by the rotary drum and the cover shell, and the special slag discharge flow channel and the cyclone design can help to reduce the noise generated by gas rotation.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the sandwich structure in the machine cover and the machine body of the invention.
FIG. 3 is a schematic view of welding of spoilers according to the present invention.
Fig. 4 is a schematic structural view of a spoiler in accordance with the present invention.
Fig. 5 is a schematic structural view of the small valve detachable closing plate of the present invention.
Fig. 6a is a front view of a fuselage flow path of the present invention, fig. 6b is an internal cross-sectional view of the fuselage flow path of the present invention, and fig. 6c is a side view of the fuselage flow path of the present invention.
FIG. 7 is a schematic view showing the structure of the slag discharging flow path according to the present invention.
Fig. 8 is a front view of fig. 6.
FIG. 9 is a schematic view of the cyclone of the present invention.
In the figure: the device comprises a machine cover 1, a rotary drum 2, a machine body 3, a cyclone 4, a liquid outlet 5, a liquid inlet 6, a flange 7, a connecting rod 8, a circular plate 9, a spiral blade 10, a second connecting flange 11, a sewage discharge outlet 12, a flushing water interface 13 and an in-housing water outlet structure 14.
Detailed Description
Example one
As shown in figure 1, a low noise dish separator housing mainly comprises a cover 1, a body 3 and a swirler 4, wherein a rotary drum 2 is arranged in the housing formed by the cover 1 and the body 3, the cover 1 and the body 3 are fixedly connected through a first connecting flange and a first connecting bolt, and the body 3 and the swirler 4 are fixedly connected through a second connecting flange 11 and a second connecting bolt. Cover 1 and fuselage 3 all adopt the intermediate layer design, are equipped with the cavity intermediate layer that supplies liquid to pass through respectively at the lateral wall of cover 1, fuselage 3 promptly, as shown in fig. 2, hydraulic test need be carried out to sandwich structure, and the liquid that leads to in the intermediate layer can be for liquid such as water that the mobility is good and with low costs, and this kind of design still plays the effect of noise reduction when taking away the rotatory heat production of rotary drum 2. The top of the cover 1 is provided with a liquid outlet 5 communicated with the hollow interlayer, the lower part of the machine body 3 is provided with a liquid inlet 6 communicated with the hollow interlayer, the liquid inlet 6 and the liquid outlet 5 are respectively connected with a conveying pipe, the conveying pipe adopts a metal hose or a hard pipe, and the conveying pipe is provided with a flow regulating device (generally selected flow regulating valve). In addition, a water pin is arranged on a first connecting flange between the machine cover 1 and the machine body 3, one end of the water pin is communicated with the hollow interlayer of the machine cover 1, and the other end of the water pin is communicated with the hollow interlayer of the machine body 3 and is used for communicating interlayer liquid of the machine body 3 and the machine cover 1.
In addition, a group of spoilers is arranged in the cover 1, the spoilers are arranged in the cover 1 by spot welding and are distributed on two sides of the inner side of the cover 1 in a symmetrical structure, and the installation angle of the spoilers is consistent with the inner angle of the cover 1, as shown in fig. 3. As shown in fig. 4, the spoiler has a trapezoidal plate-shaped structure. The structure can effectively block the backflow generated by the high-speed rotation of the rotary drum, thereby playing a role in reducing noise.
The machine body 3 is provided with a small valve dismounting and mounting sealing plate at the central line position of the small valve deslagging structure of the rotary drum 2 component, the small valve dismounting and mounting sealing plate is fixed on the machine body 3 in a bolt connection mode, the sealing plate facilitates dismounting and mounting of the small valve device of the automatic deslagging structure, and dismounting and mounting of the small valve device can be completed under the condition of incomplete dismounting. The small valve dismounting and mounting sealing plate is formed by welding a set of parts, as shown in fig. 5, three parts forming the small valve dismounting and mounting sealing plate are a flange 7, a connecting rod 8 and a circular plate 9, the flange 7 and the circular plate 9 are connected into a welding structure part by the connecting rod 8, the thicknesses of the flange 7 and the circular plate 9 are consistent with the thickness of a corresponding connecting pipe structure for mounting the small valve dismounting and mounting sealing plate on the machine body 1, the small valve dismounting and mounting sealing plate can reduce noise generated by sudden change of a cross section, and sealing grooves are designed on the flange 7 and the circular plate 9 for mounting O-shaped sealing rings so as to play a role in sealing.
A spiral-flow type flow channel is arranged in the machine body 3, one end of the spiral-flow type flow channel is communicated with the slag discharge port of the rotary drum 2, and the other end of the spiral-flow type flow channel is communicated with the inlet of the cyclone 4. As shown in fig. 6a to 6c, the flow channel in the body 3 adopts a spiral flow direction, the tangential direction of the inner side of the body is discharged, the spiral flow channel starts from the slag discharge port to the lowest position of the flow channel, a certain inclination angle is formed from the outer side to the inner side, the rotation direction of the flow channel is consistent with the rotation direction of the rotary drum, slag can be conveniently discharged into the cyclone 4, the slag phase separated by the separator can be conveniently and quickly discharged, and the quick discharge of the slag phase is also beneficial to reducing the noise of the housing.
The lower part of the body 3 is provided with a slag phase outlet in the tangential direction, which consists of a square bottom and a circular arc top (see fig. 7 and 8). Like this, the slag phase export of fuselage 3 adopts the tangential direction design to its structure is the dome local structure, can avoid the slag phase of fuselage 3 exhaust to get into swirler 4 after changing the flow direction again.
As shown in fig. 9, the cyclone 4 is of a spiral structure, that is, the inner cavity of the cyclone 4 is designed with spiral blades 10, the pitch of the spiral blades is determined according to the size of the cyclone, the inclination angle of the blades is about 10 °, the inner and outer half cone angles can be selected from 0 ° to 10 °, the initial angle can be selected from 0 ° to 5 °, and the rotation direction is selected to be consistent with the rotation direction of the rotary drum. The spiral design which is provided with diversion and is subjected to angle calculation is adopted in the cyclone 4, the condition that the interior of the cyclone 4 completely flows out by the fluid per se can be effectively improved, the condition that the fluid in the cyclone 4 flows back all the time is also improved, and the noise generated by the gas in the device which turns around all the time is further reduced.
In addition, a slag phase outlet of the machine body 3 is provided with a slag discharging flow channel flushing structure which is a spray head and can well flush the slag phase of the flow channel. The lower part of the machine body 3 is provided with a drain outlet 12 and a flushing water interface 13, and a drain pipe is arranged at the drain outlet 12 and is used for preventing water accumulation at the lower part of the machine body and discharging flushing and leaking sewage and slag. The bottom of the machine body 3 is provided with a water outlet structure 14 in the cover (the water outlet structure is a water outlet with a valve), the water outlet structure 14 in the cover is communicated with a lower flange of the machine body, and the water can be prevented from accumulating at the bottom of the water distribution structure and entering a transmission system to influence the stable operation of the whole machine.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a low noise dish formula separator housing which characterized in that: including cover, fuselage and swirler, cover and fuselage fixed connection, fuselage and swirler fixed connection, cover, fuselage are equipped with the cavity intermediate layer that supplies liquid to pass through respectively, the cavity intermediate layer of cover is linked together with the cavity intermediate layer of fuselage is inside, be provided with a set of spoiler in the cover.
2. The low noise dish separator housing of claim 1, wherein: the machine body is internally provided with a rotational flow type flow channel, one end of the rotational flow type flow channel is communicated with the slag discharge port of the rotary drum, and the other end of the rotational flow type flow channel is communicated with the inlet of the cyclone.
3. The low noise dish separator housing of claim 2, wherein: the spiral-flow type flow passage has a certain angle and a certain spiral direction.
4. The low noise dish separator housing of claim 1, wherein: the spoiler is in a trapezoidal plate shape.
5. The low noise dish separator housing of claim 1, wherein: and a small valve dismounting and mounting sealing plate is arranged on the machine body and positioned at the central line of the small valve structure of the rotary drum component.
6. The low noise dish separator housing of claim 1, wherein: the lower part of the machine body is provided with a slag phase outlet along the tangential direction, and the slag phase outlet consists of a square bottom and a circular arc top.
7. The low noise dish separator housing of claim 1, wherein: the inner cavity of the cyclone is provided with helical blades, the inclination angle of the helical blades is 10 +/-2 degrees, the inner half-cone angle and the outer half-cone angle are 0-10 degrees, the initial angle is 0-5 degrees, and the selection of the rotation direction of the helical blades is consistent with that of the rotary drum.
8. The low noise dish separator housing of claim 6, wherein: and a slag phase outlet of the machine body is provided with a slag discharging flow passage flushing structure.
9. The low noise dish separator housing of claim 1, wherein: the bottom of the machine body is provided with a water outlet structure, and the water outlet structure is communicated with a lower flange of the machine body.
10. The low noise dish separator housing of claim 1, wherein: the top of the machine cover is provided with a liquid outlet communicated with the hollow interlayer, the lower part of the machine body is provided with a liquid inlet communicated with the hollow interlayer, the liquid inlet and the liquid outlet are respectively connected with a conveying pipe, and the conveying pipe is provided with a flow regulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110799263.3A CN113441293A (en) | 2021-07-15 | 2021-07-15 | Low-noise disc separator housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110799263.3A CN113441293A (en) | 2021-07-15 | 2021-07-15 | Low-noise disc separator housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113441293A true CN113441293A (en) | 2021-09-28 |
Family
ID=77816210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110799263.3A Pending CN113441293A (en) | 2021-07-15 | 2021-07-15 | Low-noise disc separator housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113441293A (en) |
-
2021
- 2021-07-15 CN CN202110799263.3A patent/CN113441293A/en active Pending
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