CN216143168U - Unload sour pump mechanical seal structure - Google Patents
Unload sour pump mechanical seal structure Download PDFInfo
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- CN216143168U CN216143168U CN202122066801.6U CN202122066801U CN216143168U CN 216143168 U CN216143168 U CN 216143168U CN 202122066801 U CN202122066801 U CN 202122066801U CN 216143168 U CN216143168 U CN 216143168U
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Abstract
The utility model discloses a mechanical sealing structure of an acid discharge pump, which comprises a static ring seat, a static ring and a shaft sleeve, wherein the static ring is arranged as a plane sealing gasket consisting of a static ring large outer diameter ring and a static ring small outer diameter ring, and the static ring seat is arranged, a static ring mounting hole in the static ring seat is matched with the static ring, so that the supporting and fixing effect on the outside of the static ring is increased, the loosening or falling-off phenomenon of the static ring when the pump is pumped out is avoided, the corrosion of dilute sulfuric acid on the sealing surface of the static ring seat and the static ring sealing ring is avoided, the material discharge in the maintenance process is reduced, the pollution to the environment and the pressure of sewage treatment are reduced, the energy is saved, the replacement of accessories is reduced, the maintenance cost is saved, and the accident potential danger of concentrated sulfuric acid leakage to the injury of operators is eliminated.
Description
Technical Field
The utility model relates to the field related to mechanical sealing structures, in particular to a mechanical sealing structure of an acid discharge pump.
Background
The joint of the acid discharge pump and the motor output shaft and the pump body needs to be sealed through a mechanical sealing structure, and along with the extension of the operation time, under the action of strong corrosion of materials, the sealing surface of the static ring seat and the static ring sealing ring becomes rough, the original matching is destroyed, and the matching becomes loose.
When the liquid level of the tank car is reduced in the unloading process, a suction inlet and a pump cavity of the pump generate certain vacuum degree, under the action of internal and external pressure difference, due to the resultant force of static stress between the static ring and the static ring seat and the dynamic ring spring, the axial force generated by the action of the internal and external pressure difference cannot be overcome, when the static ring is separated from the static ring seat, the mechanical seal leaks or is damaged, the operation period is sharply reduced, the maintenance frequency is higher and higher, and the purpose that the mechanical seal leaks when the tank car is unloaded once after maintenance is achieved; particularly, when the mechanical seal is suddenly broken during the operation of the mechanical pump, a large amount of niacin with high pressure and strong corrosiveness is sprayed out, and a large amount of sulfur trioxide gas is volatilized while the niacin is sprayed out, so that the sulfuric acid and the sulfur trioxide gas with strong corrosiveness greatly threaten the life safety of operators; the pump cavity and the system are emptied to cause waste of raw materials and environmental protection pressure during maintenance.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above defects, the utility model provides a mechanical sealing structure of an acid discharge pump.
The utility model is realized in such a way that the mechanical sealing structure of the acid discharge pump is constructed, and the mechanical sealing structure comprises a static ring seat, wherein a static ring is embedded in the inner side of the static ring seat, a shaft sleeve penetrates through the middle part in the static ring, the static ring seat comprises a static ring seat main body, a static ring mounting hole and a bolt hole, the middle part in the static ring seat main body is provided with the static ring mounting hole, the edge in the static ring seat main body is provided with the mounting hole, and the static ring is embedded into the static ring mounting hole.
Preferably, the quiet ring includes the big external diameter circle of quiet ring and the little external diameter circle of quiet ring, and the big external diameter circle left end of quiet ring is provided with the little external diameter circle of quiet ring, and the big external diameter circle of quiet ring and the little external diameter circle of quiet ring all imbed in the quiet ring mounting hole to quiet ring seat main part, and the axle sleeve runs through the big external diameter circle of quiet ring and the little external diameter circle of quiet ring.
Preferably, the static ring seat body, the static ring and the shaft sleeve are arranged concentrically.
Preferably, the number of the stationary ring bolt holes is four, and the stationary ring bolt holes are uniformly arranged by taking the circle center of the stationary ring seat main body as a central point.
Preferably, the outer diameter of the left side wall inside the static ring mounting hole is smaller than the outer diameter of the right side inside the static ring mounting hole.
Preferably, the outer diameter of the static ring large outer diameter ring is smaller than the outer diameter of the static ring small outer diameter ring, and the inner diameters of the static ring large outer diameter ring and the static ring small outer diameter ring are consistent and are both attached to the shaft sleeve.
Preferably, the left side and the right side of the inner wall of the mounting hole are respectively attached to the large outer diameter ring of the static ring and the small outer diameter ring of the static ring.
Preferably, the left side surface and the right side surface of the large outer diameter ring of the static ring and the small outer diameter ring of the static ring are planar.
The utility model has the following advantages: the utility model provides a mechanical sealing structure of an acid discharge pump by improvement, which has the following improvements compared with the same type of equipment:
the utility model relates to a mechanical sealing structure of an acid-discharging pump, which is characterized in that a static ring is arranged to be a plane sealing gasket consisting of a static ring large outer diameter ring and a static ring small outer diameter ring, a static ring seat is arranged, a static ring mounting hole in the static ring seat is matched with the static ring, the supporting and fixing effect on the outer part of the static ring is increased, the static ring is prevented from loosening or falling off when the pump is evacuated, the corrosion of dilute sulfuric acid on the sealing surface of the static ring seat and the static ring sealing ring is avoided, the material discharge in the maintenance process is reduced, the pollution to the environment and the pressure of sewage treatment are reduced, the energy is saved, the replacement of accessories is reduced, the maintenance cost is saved, and the accident potential danger of concentrated sulfuric acid leakage to operators is eliminated.
Drawings
FIG. 1 is a cross-sectional view of a structural sheet of the present invention;
FIG. 2 is a cross-sectional view of a stationary ring seat structure according to the present invention;
FIG. 3 is a right side view of the stationary ring base structure of the present invention;
fig. 4 is a schematic view of the stationary ring structure of the present invention.
Wherein: the static ring seat comprises a static ring seat-1, a static ring-2, a shaft sleeve-3, a static ring seat body-11, a static ring mounting hole-12, a bolt hole-13, a static ring large outer diameter ring-21 and a static ring small outer diameter ring-22.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1, the present invention provides a mechanical seal structure of an acid discharge pump by improvement, including a stationary ring base 1, a stationary ring 2 embedded in the inner side of the stationary ring base 1, and a shaft sleeve 3 penetrating through the middle part of the stationary ring 2.
Referring to fig. 2 and 3, the utility model provides a mechanical seal structure of an acid discharge pump by improvement, a stationary ring seat 1 comprises a stationary ring seat main body 11, a stationary ring mounting hole 12 and bolt holes 13, the stationary ring seat main body 11 is provided with a stationary ring mounting hole 12 at the middle part thereof, the stationary ring seat main body 11 is provided with mounting holes 12 at the edge thereof, a stationary ring 2 is embedded into the stationary ring mounting hole 12, the stationary ring seat main body 11, the stationary ring 2 and a shaft sleeve 3 are concentrically arranged, the stationary ring 2 is sleeved outside the shaft sleeve 3, the stationary ring seat main body 11 is sleeved outside the stationary ring 2 for convenient installation, the stationary ring bolt holes 13 are provided with four stationary ring bolt holes 13, and the stationary ring seat main body 11 is uniformly arranged at the center point thereof to increase the effect of connection and fixation of the stationary ring seat 11, the outer diameter of the left side wall inside the stationary ring mounting hole 12 is smaller than the outer diameter of the right side inside the stationary ring mounting hole 12, the inner wall of the stationary ring mounting hole 12 is respectively attached to the large outer diameter ring 21 and the small outer diameter ring 22 of the stationary ring 2, the left side and the right side of the inner wall of the mounting hole 12 are respectively attached to the large outer diameter ring 21 of the static ring and the small outer diameter ring 22 of the static ring, and the fixing effect of the static ring 2 is improved.
Referring to fig. 4, the present invention provides a mechanical seal structure for an acid discharge pump by improvement, wherein a stationary ring 2 includes a stationary ring large outer diameter ring 21 and a stationary ring small outer diameter ring 22, the stationary ring small outer diameter ring 22 is disposed at the left end of the stationary ring large outer diameter ring 21, both the stationary ring large outer diameter ring 21 and the stationary ring small outer diameter ring 22 are embedded into a stationary ring mounting hole 12 of a stationary ring seat body 11, a shaft sleeve 3 penetrates through the stationary ring large outer diameter ring 21 and the stationary ring small outer diameter ring 22, the outer diameter of the stationary ring large outer diameter ring 21 is smaller than the outer diameter of the stationary ring small outer diameter ring 22, the inner diameters of the stationary ring large outer diameter ring 21 and the stationary ring small outer diameter ring 22 are the same, and are jointed with the shaft sleeve 3, so that the large outer diameter ring 21 of the static ring and the small outer diameter ring 22 of the static ring are both sleeved outside the shaft sleeve 3, and make the big external diameter circle 21 of quiet ring seat main part 11 right shift extrusion quiet ring move, the big external diameter circle 21 of quiet ring and the little external diameter circle 22 left and right sides face of quiet ring all is the plane, increases the big external diameter circle 21 of quiet ring and the little external diameter circle 22 of quiet ring sealed effect.
The utility model provides a mechanical sealing structure of an acid discharge pump through improvement, and the working principle is as follows;
firstly, before use, the static ring 2 is firstly embedded into a static ring mounting hole 12 of a static ring seat main body 11, because the static ring 2 consists of a static ring large outer diameter ring 21 and a static ring small outer diameter ring 22, the outer diameter of the left side wall inside the static ring mounting hole 12 is smaller than the outer diameter of the right side inside the static ring mounting hole 12, the inner wall of the static ring mounting hole 12 is respectively attached to the static ring large outer diameter ring 21 and the static ring small outer diameter ring 22 of the static ring 2, the fixing effect of the static ring 2 is improved, and the corrosion of dilute sulfuric acid to the sealing surface of the static ring seat 1 and a static ring sealing ring is avoided;
secondly, penetrating the shaft sleeve 3 through the static ring 2, wherein the inner diameters of the static ring large outer diameter ring 21 and the static ring small outer diameter ring 22 are consistent and are both attached to the shaft sleeve 3, so that the static ring 2 is connected with the shaft sleeve 3;
thirdly, then fix the bolt hole 2 of quiet ring seat 1 with the pump body through the bolt, during the bolt lock solid, quiet ring seat main part 11 moves rightwards, because the big external diameter of quiet ring circle 21 external diameter is less than the little external diameter of quiet ring circle 22 external diameter, and the 12 inner wall left and right sides of quiet ring mounting hole respectively with the big external diameter of quiet ring circle 21 external diameter be less than the little external diameter of quiet ring circle 22 laminating, make quiet ring seat main part 11 move rightwards and extrude the big external diameter of quiet ring circle 21 and remove, fix quiet ring 2, increase the fixed effect to quiet ring 2, the pump has been avoided when managing to find time the not hard up that quiet ring 2 produced.
The utility model provides a mechanical sealing structure of an acid discharge pump through improvement, a static ring 2 is arranged to be a plane sealing gasket consisting of a static ring large outer diameter ring 21 and a static ring small outer diameter ring 22, a static ring seat 1 is arranged, a static ring mounting hole 12 in the static ring seat 1 is matched with the static ring 2, the supporting and fixing effect on the outer part of the static ring 2 is increased, the phenomenon that the static ring 2 is loosened or falls off when the pump is pumped out is avoided, the corrosion of dilute sulfuric acid on the sealing surface of the static ring seat 1 and the static ring sealing ring is avoided, the material discharge in the maintenance process is reduced, the pollution to the environment and the pressure of sewage treatment are reduced, the energy is saved, the replacement of accessories is reduced, the maintenance cost is saved, and the accident potential danger of concentrated sulfuric acid leakage to the injury of operators is eliminated.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a unload acid pump mechanical seal structure which characterized in that: including quiet ring holder (1), quiet ring holder (1) inboard embedding has quiet ring (2), the middle part runs through there is axle sleeve (3) in quiet ring (2), quiet ring holder (1) is including quiet ring holder main part (11), quiet ring mounting hole (12) and bolt hole (13), quiet ring mounting hole (12) have been seted up at the middle part in quiet ring holder main part (11), mounting hole (12) have been seted up to the inside border department of quiet ring holder main part (11), quiet ring (2) embedding is to quiet ring mounting hole (12) in.
2. The mechanical seal structure of the acid discharge pump according to claim 1, characterized in that: the quiet ring (2) is including the big external diameter circle of quiet ring (21) and the little external diameter circle of quiet ring (22), the big external diameter circle of quiet ring (21) left end is provided with the little external diameter circle of quiet ring (22), the big external diameter circle of quiet ring (21) and the little external diameter circle of quiet ring (22) all imbed in quiet ring mounting hole (12) of quiet ring seat main part (11), axle sleeve (3) run through the big external diameter circle of quiet ring (21) and the little external diameter circle of quiet ring (22).
3. The mechanical seal structure of the acid discharge pump according to claim 1, characterized in that: the static ring seat body (11), the static ring (2) and the shaft sleeve (3) are arranged concentrically.
4. The mechanical seal structure of the acid discharge pump according to claim 1, characterized in that: the number of the static ring bolt holes (13) is four, and the static ring bolt holes are uniformly arranged by taking the circle center of the static ring seat main body (11) as a central point.
5. The mechanical seal structure of the acid discharge pump according to claim 1, characterized in that: the outer diameter of the left side wall in the static ring mounting hole (12) is smaller than the outer diameter of the right side in the static ring mounting hole (12).
6. The mechanical seal structure of the acid discharge pump according to claim 2, characterized in that: the outer diameter of the static ring large outer diameter ring (21) is smaller than the outer diameter of the static ring small outer diameter ring (22), and the inner diameters of the static ring large outer diameter ring (21) and the static ring small outer diameter ring (22) are consistent and are all attached to the shaft sleeve (3).
7. The mechanical seal structure of the acid discharge pump according to claim 1, characterized in that: the left side and the right side of the inner wall of the mounting hole (12) are respectively attached to the large outer diameter ring (21) of the static ring and the small outer diameter ring (22) of the static ring.
8. The mechanical seal structure of the acid discharge pump according to claim 2, characterized in that: the left and right side surfaces of the static ring large outer diameter ring (21) and the static ring small outer diameter ring (22) are planar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066801.6U CN216143168U (en) | 2021-08-30 | 2021-08-30 | Unload sour pump mechanical seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066801.6U CN216143168U (en) | 2021-08-30 | 2021-08-30 | Unload sour pump mechanical seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216143168U true CN216143168U (en) | 2022-03-29 |
Family
ID=80810444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122066801.6U Active CN216143168U (en) | 2021-08-30 | 2021-08-30 | Unload sour pump mechanical seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216143168U (en) |
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2021
- 2021-08-30 CN CN202122066801.6U patent/CN216143168U/en active Active
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