CN213393542U - Mechanical sealing device of barren liquid pump - Google Patents
Mechanical sealing device of barren liquid pump Download PDFInfo
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- CN213393542U CN213393542U CN202120831964.6U CN202120831964U CN213393542U CN 213393542 U CN213393542 U CN 213393542U CN 202120831964 U CN202120831964 U CN 202120831964U CN 213393542 U CN213393542 U CN 213393542U
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- sealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a lean solution pump mechanical seal device relates to sealing equipment technical field, and the main objective provides a lean solution pump mechanical seal device that can improve the mechanical seal nature of lean solution pump. The utility model discloses a main technical scheme does: a mechanical seal arrangement for a barren liquid pump, comprising: the washing device comprises a shell, a first shaft hole is formed in the middle of the shell, a mounting hole and a washing hole are formed in the side of the shell, the washing hole is communicated with the mounting hole, and the mounting hole is communicated with the first shaft hole; the shaft body is arranged in the first shaft hole, the shaft sleeve is arranged on the outer side of the shaft body, and a stop ring is arranged on one side surface of one end of the shaft sleeve; the sealing component is fixedly arranged at one end of the mounting hole and attached to the shaft sleeve, one end of the first moving ring is connected to the first fixing ring in a propping mode, the other end of the first moving ring is connected to the pushing ring in a propping mode, one end of the first spring is connected to the pushing ring, the other end of the first spring is connected to the spring seat, and the spring seat is connected to the blocking ring in a propping mode. The utility model discloses mainly used axle sleeve is sealed.
Description
Technical Field
The utility model relates to a sealing equipment technical field especially relates to a lean solution pump mechanical seal device.
Background
The semi-lean liquid pump hydraulic turbine equipment is a machine for converting energy contained in a fluid working medium into mechanical energy, the problem of leakage often occurs at the mechanical sealing position of a rotating shaft, and the environment is easily influenced by the leaked potassium carbonate solution. The existing mechanical sealing mode adopts a small spring double-end-face balanced sealing structure, and a moving ring and a static ring adopt silicon carbide and graphite materials, so that the stress of a spring is uneven due to the change of the axial size during installation, the spring on one side is stressed, and the sealing surface is too tightly contacted and generates heat to generate abrasion leakage; the spring of the other side is not hard up, and the machine seals the sealed face and does not receive the force and take place to leak to, the cost of bi-polar face structure is high, and the installation accuracy requirement is also higher, and, among the little spring bi-polar face balanced type seal structure, if the medium contains certain granule, perhaps medium viscosity value is higher, causes the little spring to lose the compensation ability easily, thereby leads to mechanical seal to lose efficacy prematurely, and simultaneously, backwash liquid is at the in-process that washes, still leaks outward easily, thereby further causes environmental pollution.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a mechanical sealing device for a lean liquid pump, and mainly aims to provide a mechanical sealing device for a lean liquid pump, which can improve the mechanical sealing performance of the lean liquid pump.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a barren liquid pump mechanical seal device, the device includes:
the middle part of the shell is provided with a first shaft hole, the side part of the shell is provided with a mounting hole and a flushing hole, the flushing hole is communicated with the mounting hole, and the mounting hole is communicated with the first shaft hole;
the shaft part comprises a shaft body and a shaft sleeve, the shaft body is arranged in the first shaft hole, the shaft sleeve is arranged on the outer side of the shaft body, and a stop ring is arranged on one end side surface of the shaft sleeve;
sealing element, sealing element includes first solid fixed ring, first shift ring, propelling movement ring, spring holder and first spring, gu fixed ring sets up the one end of mounting hole to laminate in the axle sleeve, the one end apical grafting of first shift ring in first solid fixed ring, the other end apical grafting in the propelling movement ring, the one end of first spring connect in the propelling movement ring, the other end connect in the spring holder, the spring holder apical grafting in the barrier ring.
Further, seal part still includes first sealing washer and second sealing washer, first sealing washer sets up the casing with between the first solid fixed ring, the second sealing washer sets up first removal ring with between the propelling movement ring.
Furthermore, a cooling hole is formed in the side face of one end of the shell, and the cooling hole is communicated with the first shaft hole.
Further, the housing includes a main housing having a first threaded hole, a pressing cover having a second threaded hole, and a connection bolt passing through the second threaded hole and threadedly coupled to the first threaded hole.
Further, the cooling holes and the flushing holes are located on the side of the gland.
Further, the gland sealing ring, the gland orientation the one end of main casing body has sealed recess, the gland sealing ring sets up in the sealed recess.
Further, the other end side of the gland is provided with a framework oil seal component.
Furthermore, a transmission ring is arranged on the side face of the other end of the shaft sleeve.
Compared with the prior art, the utility model discloses following technological effect has:
the embodiment of the utility model provides an among the technical scheme, the effect of casing is the support seal part, and the middle part of casing has first shaft hole, and the lateral part of casing has mounting hole and flushing hole, and flushing hole and mounting hole intercommunication each other, and the mounting hole communicates with each other with first shaft hole, and the shaft part includes axis body and axle sleeve, and the axis body sets up in first shaft hole, and the axle sleeve sets up the outside at the axis body, and the one end side of axle sleeve has the barrier ring; the sealing component is used for mechanically sealing the shaft component and comprises a first fixing ring, a first moving ring, a pushing ring, a spring seat and a first spring, wherein the fixing ring is arranged at one end of the mounting hole and attached to the shaft sleeve; the spring on the other side is loosened, the machine seal sealing surface is not stressed to cause leakage, the double-end-surface structure has high manufacturing cost and higher installation precision requirement, in addition, in the small spring double-end-face balanced sealing structure, if the medium contains certain particles, or the medium viscosity value is higher, which easily causes the small spring to lose the compensation capability, thereby leading the mechanical seal to fail prematurely, and meanwhile, the backwash liquid is easy to leak outwards in the flushing process, thereby further causing environmental pollution, in the technical proposal, the pushing ring is abutted to the first moving ring, the first moving ring adopts a shifting fork transmission moving ring, so that the first moving ring can adjust the compression amount through the outside, and, the side part of the shell is provided with the flushing hole, and the flushing hole is communicated with the mounting hole, so that the backwash liquid can directly flush the sealing surface of the moving ring and the static ring, and the technical effect of convenient cleaning is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical sealing device of a barren liquid pump according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the embodiment of the present invention provides a mechanical sealing device for a barren liquor pump, which includes:
the device comprises a shell 1, wherein a first shaft hole is formed in the middle of the shell 1, a mounting hole 14 and a flushing hole 15 are formed in the side of the shell 1, the flushing hole 15 is communicated with the mounting hole 14, and the mounting hole 14 is communicated with the first shaft hole;
the shaft part comprises a shaft body 21 and a shaft sleeve 22, the shaft body 21 is arranged in the first shaft hole, the shaft sleeve 22 is arranged on the outer side of the shaft body 21, and a stop ring 23 is arranged on one end side surface of the shaft sleeve 22;
the sealing component comprises a first fixing ring 31, a first moving ring 32, a pushing ring 33, a spring seat 34 and a first spring 35, the fixing ring is arranged at one end of the mounting hole 14 and is attached to the shaft sleeve 22, one end of the first moving ring 32 is connected to the first fixing ring 31 in a butting mode, the other end of the first moving ring 32 is connected to the pushing ring 33 in a butting mode, one end of the first spring 35 is connected to the pushing ring 33, the other end of the first spring is connected to the spring seat 34, and the spring seat 34 is connected to the blocking ring 23 in a butting mode.
The embodiment of the utility model provides an among the technical scheme, casing 1's effect is to support sealing member, and casing 1's middle part has first shaft hole, and casing 1's lateral part has mounting hole 14 and flushing hole 15, and flushing hole 15 communicates with each other with mounting hole 14, and mounting hole 14 communicates with each other with first shaft hole, and the shaft part includes axis body 21 and axle sleeve 22, and axis body 21 sets up in first shaft hole, and axle sleeve 22 sets up the outside at axis body 21, and the one end side of axle sleeve 22 has stop ring 23; the sealing component is used for mechanically sealing shaft components and comprises a first fixing ring 31, a first moving ring 32, a pushing ring 33, a spring seat 34 and a first spring 35, wherein the fixing ring is arranged at one end of the mounting hole 14 and is attached to the shaft sleeve 22, one end of the first moving ring 32 is connected to the first fixing ring 31 in a propping mode, the other end of the first moving ring 32 is connected to the pushing ring 33 in a propping mode, one end of the first spring 35 is connected to the pushing ring 33, the other end of the first spring is connected to the spring seat 34, the spring seat 34 is connected to the blocking ring 23 in a propping mode, compared with the prior art, a small spring double-end-face balanced sealing structure is adopted, the moving ring and the moving ring are made of silicon carbide and graphite materials, the axial size is changed during installation, the stress of the springs is uneven, the springs on; the spring on the other side is loosened, the machine seal sealing surface is not stressed to cause leakage, the manufacturing cost of the double-end-surface structure is high, the requirement on installation precision is higher, in the small-spring double-end-surface balanced sealing structure, if a medium contains certain particles or the viscosity value of the medium is higher, the small spring is easily caused to lose the compensation capacity, so that the mechanical seal is prematurely failed, meanwhile, the backwash liquid is also easily leaked in the flushing process, so that the environmental pollution is further caused, in the technical scheme, the pushing ring 33 is abutted to the first moving ring 32, the first moving ring 32 adopts a shifting fork transmission moving ring, so that the first moving ring 32 can adjust the compression amount through the outside, the flushing hole 15 is arranged on the side part of the shell 1, the flushing hole 15 is mutually communicated with the installation hole 14, so that the backwash liquid can directly flush the sealing surface of the moving ring, thereby achieving the technical effect of convenient cleaning.
The shell 1 is used for supporting a sealing component, a first shaft hole is arranged in the middle of the shell 1, a mounting hole 14 and a flushing hole 15 are arranged on the side portion of the shell 1, the flushing hole 15 is communicated with the mounting hole 14, the mounting hole 14 is communicated with the first shaft hole, the shaft component comprises a shaft body 21 and a shaft sleeve 22, the shaft body 21 is arranged in the first shaft hole, the shaft sleeve 22 is arranged on the outer side of the shaft body 21, a stop ring 23 is arranged on one end side surface of the shaft sleeve 22, a transmission ring 18 is arranged on the other end side surface of the shaft sleeve 22 and can drive the shaft sleeve 22 to rotate, the shell 1 comprises a main shell 1, a gland and a connecting bolt, the main shell 1 is provided with a first threaded hole, the gland is provided with a second threaded hole, the connecting bolt penetrates through the second threaded hole and is in threaded connection with the first threaded hole, so that the main shell 1 and the gland can be disassembled, the first mounting hole 14 is located on the side portion of the first shaft hole, the flushing hole 15 is communicated with the mounting hole 14, the sealing component is arranged in the first mounting hole 14, when the sealing component needs to be cleaned, a backwash liquid is introduced into the flushing hole 15, the backwash liquid enters the mounting hole 14 through the backwash hole 15, and then the sealing component is cleaned, so that the technical effect of convenience in cleaning is achieved; the sealing component is used for mechanically sealing shaft components and comprises a first fixing ring 31, a first moving ring 32, a pushing ring 33, a spring seat 34 and a first spring 35, wherein the fixing ring is arranged at one end of the mounting hole 14 and is attached to the shaft sleeve 22, one end of the first moving ring 32 is connected to the first fixing ring 31 in a propping mode, the other end of the first moving ring 32 is connected to the pushing ring 33 in a propping mode, one end of the first spring 35 is connected to the pushing ring 33, the other end of the first spring is connected to the spring seat 34, the spring seat 34 is connected to the blocking ring 23 in a propping mode, the sealing component is of a large spring container type structure, the first moving ring 32 can adjust the compression amount through the outside, the first fixing ring 31 is made of silicon carbide materials, the first moving ring 32 is made of alloy steel materials and is integrally installed during installation, and finally a locking bolt of a machine seal assembly is locked after all the first moving ring, adopt to push away the top of collar 33 and connect in first shift ring 32, first shift ring 32 adopts the driven collar of shift fork for first shift ring 32 can be through outside regulation compression volume, and, set up flushing hole 15 at the lateral part of casing 1, flushing hole 15 communicates with mounting hole 14 each other, makes the backwash liquid can directly wash sound ring seal face, thereby reaches convenient abluent technological effect.
Further, the sealing means further includes a first sealing ring 36 and a second sealing ring 37, the first sealing ring 36 is disposed between the housing 1 and the first fixing ring 31, and the second sealing ring 37 is disposed between the first moving ring 32 and the pushing ring 33. In this embodiment, a first sealing ring 36 and a second sealing ring 37 are added, the first sealing ring 36 is arranged between the casing 1 and the first fixing ring 31, and can seal a gap between the casing 1 and the first fixing ring 31, the second sealing ring 37 is arranged between the first moving ring 32 and the pushing ring 33, and can seal a gap between the first moving ring 32 and the pushing ring 33, so as to achieve the technical effect of preventing leakage.
Further, the side surface of one end of the housing 1 is provided with a cooling hole 16, and the cooling hole 16 is communicated with the first shaft hole. In this embodiment, the housing 1 is further limited, the cooling hole 16 is disposed on the side surface of one end of the housing 1, so that the shaft sleeve 22 can be cooled, and optionally, the cooling hole 16 is located on the side surface of one end of the gland, so as to achieve the technical effect of reducing the temperature of the shaft sleeve 22.
Further, the gland sealing ring 17 is pressed and the end of the gland facing the main shell 1 is provided with a sealing groove, and the gland sealing ring 17 is arranged in the sealing groove. In this embodiment, gland sealing ring 17 has been increased, has sealed recess in the gland towards the one end of main casing body 1, and gland sealing ring 17 sets up in sealed recess, can seal the clearance between gland and the main casing body 1 to improve mechanical seal's sealed effect.
Further, the other end side of the gland has a skeleton oil seal member 19. In this embodiment, a framework oil seal component 19 is added, and the framework oil seal component 19 is used for sealing the position between the gland and the shaft sleeve 22 to prevent the leakage of lubricating oil, so as to achieve the technical effect of protecting the lubricity of the shaft sleeve 22.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A mechanical seal arrangement for a barren pump, comprising:
the middle part of the shell is provided with a first shaft hole, the side part of the shell is provided with a mounting hole and a flushing hole, the flushing hole is communicated with the mounting hole, and the mounting hole is communicated with the first shaft hole;
the shaft part comprises a shaft body and a shaft sleeve, the shaft body is arranged in the first shaft hole, the shaft sleeve is arranged on the outer side of the shaft body, and a stop ring is arranged on one end side surface of the shaft sleeve;
sealing element, sealing element includes first solid fixed ring, first shift ring, propelling movement ring, spring holder and first spring, gu fixed ring sets up the one end of mounting hole to laminate in the axle sleeve, the one end apical grafting of first shift ring in first solid fixed ring, the other end apical grafting in the propelling movement ring, the one end of first spring connect in the propelling movement ring, the other end connect in the spring holder, the spring holder apical grafting in the barrier ring.
2. The mechanical seal arrangement of a barren pump according to claim 1,
the sealing component further comprises a first sealing ring and a second sealing ring, the first sealing ring is arranged between the shell and the first fixing ring, and the second sealing ring is arranged between the first moving ring and the pushing ring.
3. The mechanical seal arrangement of a barren pump according to claim 2,
and the side surface of one end of the shell is also provided with a cooling hole, and the cooling hole is communicated with the first shaft hole.
4. The mechanical seal arrangement of a barren pump according to claim 3,
the shell comprises a main shell body, a pressing cover and a connecting bolt, wherein the main shell body is provided with a first threaded hole, the pressing cover is provided with a second threaded hole, and the connecting bolt penetrates through the second threaded hole and is in threaded connection with the first threaded hole.
5. The mechanical seal arrangement of a barren pump according to claim 4,
the cooling holes and the flushing holes are located on the side of the gland.
6. The mechanical seal arrangement of a barren pump of claim 4, further comprising:
the gland sealing ring, the gland orientation the one end of main casing body has sealed recess, the gland sealing ring sets up in the sealed recess.
7. The mechanical seal arrangement of a barren pump according to claim 4,
and a framework oil seal component is arranged on the side surface of the other end of the gland.
8. The mechanical seal arrangement of a barren pump according to any one of claims 1 to 7,
and a transmission ring is arranged on the side surface of the other end of the shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120831964.6U CN213393542U (en) | 2021-04-22 | 2021-04-22 | Mechanical sealing device of barren liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120831964.6U CN213393542U (en) | 2021-04-22 | 2021-04-22 | Mechanical sealing device of barren liquid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213393542U true CN213393542U (en) | 2021-06-08 |
Family
ID=76197055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120831964.6U Active CN213393542U (en) | 2021-04-22 | 2021-04-22 | Mechanical sealing device of barren liquid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213393542U (en) |
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2021
- 2021-04-22 CN CN202120831964.6U patent/CN213393542U/en active Active
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