CN213294016U - Sealed rotary discharge valve - Google Patents
Sealed rotary discharge valve Download PDFInfo
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- CN213294016U CN213294016U CN202021970133.9U CN202021970133U CN213294016U CN 213294016 U CN213294016 U CN 213294016U CN 202021970133 U CN202021970133 U CN 202021970133U CN 213294016 U CN213294016 U CN 213294016U
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- rotating shaft
- shell
- blades
- discharge valve
- liquid inlet
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Abstract
The utility model discloses a rotatory discharge valve of canned type, include: the shell is hollow and is provided with a feeding hole and a discharging hole; the rotating shaft penetrates through the shell and is rotatably connected to the shell, the rotating shaft is hollow and is provided with an accommodating cavity, the rotating shaft is provided with a liquid inlet channel and a liquid outlet channel, and the rotating shaft rotates through a driving assembly; the blades are arranged on the outer wall of the rotating shaft and positioned in the shell, and one ends of the blades, which are far away from the rotating shaft, are in contact with the inner wall of the shell to be in rotary sealing connection; and hot working medium is introduced into the accommodating cavity through the liquid inlet channel, the hot working medium is conducted through the rotating shaft to heat the blades, and the blades are heated and expanded to compensate the abrasion between the blades and the shell. The rotary discharge valve can compensate the abrasion loss, so that a good sealing effect is always kept.
Description
Technical Field
The utility model belongs to the technical field of the discharge valve, especially, relate to a rotatory discharge valve of canned type.
Background
The rotary discharge valve is commonly used for discharging materials such as powder materials and generally comprises a shell and a rotor, the rotor comprises a rotating shaft and blades, the materials fall between the blades from the upper part and are discharged from the lower end along with the rotation of the blades, and the uniform and stable discharging of the materials is realized.
Be applied to rotatory discharge valve under the high operating mode of sealed requirement, can cause certain wearing and tearing under equipment long-term operation, cause the sealed variation between rotor and the casing, lead to the rotatory discharge valve to import and export the leakage of pressure, for example through the rotatory discharge valve of pneumatic transport material, can cause the pneumatic leakage at the condition of sealed variation, lead to transporting the effect poor. The rotary discharge valve always keeps good sealing effect by changing the blades.
The blade replacement in the prior art is very tedious and causes high costs.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a sealed rotary discharge valve, which can compensate the wear loss and maintain a good sealing effect all the time.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a sealed rotary discharge valve comprising:
the shell is hollow and is provided with a feeding hole and a discharging hole;
the rotating shaft penetrates through the shell and is rotatably connected to the shell, the rotating shaft is hollow and is provided with an accommodating cavity, the rotating shaft is provided with a liquid inlet channel and a liquid outlet channel, and the rotating shaft rotates through a driving assembly;
the blades are arranged on the outer wall of the rotating shaft and positioned in the shell, and one ends of the blades, which are far away from the rotating shaft, are in contact with the inner wall of the shell to be in rotary sealing connection;
and hot working medium is introduced into the accommodating cavity through the liquid inlet channel, the hot working medium is conducted through the rotating shaft to heat the blades, and the blades are heated and expanded to compensate the abrasion between the blades and the shell.
According to the utility model discloses an embodiment, the blade is bent and is formed with the flexion, just the flexion has elasticity.
According to the utility model discloses an embodiment, drive assembly locates including the cover the first sprocket, motor, second sprocket and the chain of pivot, the second sprocket is located the axle of motor, the chain is connected first sprocket with the second sprocket.
According to the utility model discloses an embodiment, including the feed liquor pipe, the feed liquor pipe passes through rotary joint and connects feed liquor channel.
According to the utility model discloses an embodiment, including the drain pipe, the drain pipe passes through rotary joint and connects go out liquid channel.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
(1) the embodiment of the utility model provides an in be provided with casing, pivot, a plurality of blade, be equipped with the holding chamber in the pivot, through letting in hot working medium in order to heat the blade to the holding intracavity, the blade is heated the thermal expansion in order to compensate its and casing between wearing and tearing, makes blade and casing remain good sealed effect throughout.
(2) The embodiment of the utility model provides an in the blade is bent and is formed and have elastic flexion, when hot working medium high temperature made the blade inflation volume too big, but flexion adaptability elastic deformation prevents that blade and casing card from dying.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a front cross-sectional view of a sealed rotary discharge valve of the present invention;
fig. 2 is a side sectional view of the sealing rotary discharge valve of the present invention.
Description of reference numerals:
1: a housing; 2: a feed inlet; 3: a discharge port; 4: a rotating shaft; 5: an accommodating cavity; 6: a liquid inlet channel; 7: a liquid outlet channel; 8: a blade; 9: a bending section; 10: a first sprocket; 11: a liquid inlet pipe; 12: a liquid outlet pipe; 13: a rotary joint; 14: a front end cap assembly; 15: a rear end cap assembly.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely intended to facilitate and distinctly illustrate the embodiments of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1 to 2, the core of the present invention is to provide a sealed rotary discharge valve comprising a housing 1, a shaft 4 and a plurality of blades 8. The shell 1 is hollow and is provided with a feed inlet 2 and a discharge outlet 3; the rotating shaft 4 penetrates through and is rotatably connected to the inside of the shell 1, the rotating shaft 4 is hollow and is provided with an accommodating cavity 5, the rotating shaft 4 is provided with a liquid inlet channel 6 and a liquid outlet channel 7, and the rotating shaft 4 rotates through a driving assembly; a plurality of blades 8 are arranged on the outer wall of the rotating shaft 4 and are positioned in the shell 1, and the blades 8 are far away from one end of the rotating shaft 4 and the inner wall of the shell 1 in contact rotating and sealing connection.
A thermal state working medium is introduced into the accommodating cavity 5 through the liquid inlet channel 6, the thermal state working medium is conducted through the rotating shaft 4 to heat the blades 8, and the blades 8 are heated to expand to compensate abrasion between the blades and the shell 1.
The blades 8 and the shell 1 are kept tightly attached through the thermal expansion of the blades 8, so that the sealed rotary discharge valve has a good sealing effect all the time.
The sealing type rotary discharge valve of the utility model is explained in detail as follows:
the upper end of the shell 1 is provided with a feeding hole 2, the lower end of the shell is provided with a discharging hole 3, the two ends of the shell 1 are provided with a front end cover assembly 14 and a rear end cover assembly 15, a rotating shaft 4 penetrates through the front end cover assembly 14 and the rear end cover assembly 15, the two ends of the rotating shaft 4 stretch out of the shell 1, and the rotating shaft 4 is rotatably sealed with the front end cover assembly 14 and the rear end cover assembly 15 through a sealing ring or a filler to prevent leakage.
The diameter of the rotating shaft 4 in the housing 1 is larger, and the diameters of the rotating shafts 4 at two ends are smaller, that is, the rotating shaft 4 can be divided into three parts. The rotating shafts 4 at the two ends are respectively and rotatably connected with the derivative structures of the front end cover component 14 and the rear end cover component 15 through bearings.
The inside cavity of the pivot 4 of the great department of diameter forms cylindrical holding chamber 5, and the pivot 4 that both ends diameter is less is equipped with columniform inlet channel 6 and liquid outlet channel 7 respectively, and inlet channel 6 and liquid outlet channel 7 all set up along the center pin of pivot 4. The liquid inlet channel 6 and the liquid outlet channel 7 are both connected with the accommodating cavity 5 and the outside, one end of the liquid inlet channel 6 is connected with a liquid inlet pipe 11 through a rotary joint 13, and the liquid inlet pipe 11 is used for introducing thermal state working media into the rotating shaft 4. One end of the corresponding liquid outlet channel 7 is also connected with a liquid outlet pipe 12 through a rotary joint 13, and the liquid outlet pipe 12 is used for discharging the thermal state working medium.
A plurality of blades 8 are rectangular shape blade 8, have certain width and length, set up six blades 8 in this embodiment in the totality, six blade 8 circumference equipartitions set up on the 4 outer walls of pivot in casing 1, blade 8 length slightly is less than the length that is located pivot 4 in casing 1, and blade 8 keeps away from the one end of pivot 4 and is connected with casing 1 inner wall contact rotary seal, that is to say with casing 1 inner wall rotary seal when blade 8 is rotatory.
Preferably, the blades 8 are bent to form a bent portion 9, and all the blades 8 are bent in the same rotation direction. The blade 8 is made by sheet metal to make flexion 9 have certain elasticity, when the too high messenger blade 8 inflation volume of hot working medium temperature was too big, but flexion 9 adaptability elastic deformation prevents that blade 8 and 1 inner wall card from dying.
The drive assembly comprises a first chain wheel 10, a motor, a second chain wheel and a chain, the first chain wheel, the motor, the second chain wheel and the chain are sleeved on the rotating shaft 4, the second chain wheel is arranged on the motor shaft, the chain is connected with the first chain wheel 10 and the second chain wheel, and the motor drives the rotating shaft 4 to rotate through the chain.
The working process of the present invention is further explained as follows:
when the operation time is long, the blade 8 and the shell 1 are abraded due to friction, when a gap is generated to cause sealing failure, a thermal state working medium is introduced into the accommodating cavity 5 of the rotating shaft 4 through the liquid inlet pipe 11 and the liquid inlet channel 6, the thermal state working medium is conducted through the rotating shaft 4 to heat the blade 8, and the blade 8 is heated to expand to compensate the abrasion loss, so that the blade 8 is always in rotary sealing contact with the shell 1. The thermal state working medium finally flows out through the liquid outlet channel 7 and the liquid outlet pipe 12.
And the expansion amount of the blade 8 can be controlled by controlling the temperature of the thermal state working medium so as to achieve the proper compensation amount.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (5)
1. A sealed rotary discharge valve, comprising:
the shell is hollow and is provided with a feeding hole and a discharging hole;
the rotating shaft penetrates through the shell and is rotatably connected to the shell, the rotating shaft is hollow and is provided with an accommodating cavity, the rotating shaft is provided with a liquid inlet channel and a liquid outlet channel, and the rotating shaft rotates through a driving assembly;
the blades are arranged on the outer wall of the rotating shaft and positioned in the shell, and one ends of the blades, which are far away from the rotating shaft, are in contact with the inner wall of the shell to be in rotary sealing connection;
and hot working medium is introduced into the accommodating cavity through the liquid inlet channel, the hot working medium is conducted through the rotating shaft to heat the blades, and the blades are heated and expanded to compensate the abrasion between the blades and the shell.
2. The sealed rotary discharge valve according to claim 1, wherein said leaf is bent to form a bent portion, and said bent portion has elasticity.
3. The sealed rotary discharge valve according to claim 1, wherein said driving assembly comprises a first sprocket mounted on said shaft, a motor, a second sprocket mounted on a shaft of said motor, and a chain connecting said first sprocket and said second sprocket.
4. The sealed rotary discharge valve according to claim 1, further comprising a liquid inlet pipe connected to said liquid inlet passage through a rotary joint.
5. The sealed rotary discharge valve of claim 1 including a drain tube connected to said drain passage by a rotary joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970133.9U CN213294016U (en) | 2020-09-10 | 2020-09-10 | Sealed rotary discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970133.9U CN213294016U (en) | 2020-09-10 | 2020-09-10 | Sealed rotary discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213294016U true CN213294016U (en) | 2021-05-28 |
Family
ID=76031371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021970133.9U Active CN213294016U (en) | 2020-09-10 | 2020-09-10 | Sealed rotary discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213294016U (en) |
-
2020
- 2020-09-10 CN CN202021970133.9U patent/CN213294016U/en active Active
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