CN210164650U - Wear-resisting type chemical process pump - Google Patents
Wear-resisting type chemical process pump Download PDFInfo
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- CN210164650U CN210164650U CN201920966736.2U CN201920966736U CN210164650U CN 210164650 U CN210164650 U CN 210164650U CN 201920966736 U CN201920966736 U CN 201920966736U CN 210164650 U CN210164650 U CN 210164650U
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- impeller
- pump
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- chemical process
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Abstract
The utility model discloses a wear-resistant chemical process pump, which comprises a pump shell, a shaft, an impeller and a guide impeller, wherein the pump shell is provided with a cavity, the end part of the pump shell is provided with a suction inlet communicated with the cavity, and the side wall of the pump shell is provided with a discharge outlet communicated with the cavity; the head part of the shaft is arranged in the pump shell along the axial direction of the pump shell; the impeller is fixedly connected with the head of the shaft, and the suction inlet is opposite to the central position of the impeller so as to drive the impeller to rotate through the rotation of the shaft and further throw out liquid sucked from the suction inlet; the guide impeller is fixed on the inner wall of the pump shell, the axis of the guide impeller is coincident with the axis of the impeller, a guide groove for guiding liquid thrown out by the impeller is arranged on the inner side of the guide impeller, and at least one part of the outer side of the guide impeller and the inner wall of the pump shell jointly form a volute communicated with the guide groove and the discharge port respectively. The utility model discloses can prevent pump case wearing and tearing well, prolong the life of process pump.
Description
Technical Field
The utility model relates to a wear-resisting type chemical industry process pump.
Background
At present, the most contains the particulate matter in the liquid of current chemical industry process pump pumping, and the liquid that contains the particulate matter can constantly erode the pump case when high-speed flowing, leads to pump case wearing and tearing, influences the life of process pump.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a wear-resisting type chemical industry process pump, it can prevent pump case wearing and tearing well, has prolonged the life of process pump.
In order to solve the technical problem, the technical scheme of the utility model is that: a wear-resistant chemical process pump, comprising:
the pump shell is provided with a cavity, the end part of the pump shell is provided with a suction inlet communicated with the cavity, and the side wall of the pump shell is provided with a discharge outlet communicated with the cavity;
a shaft, the head of which is mounted in the pump casing in the axial direction of the pump casing;
the impeller is fixedly connected with the head of the shaft, and the suction inlet is opposite to the central position of the impeller so as to drive the impeller to rotate through the rotation of the shaft and further throw out liquid sucked from the suction inlet;
the guide impeller is fixed on the inner wall of the pump shell, the axis of the guide impeller is coincident with the axis of the impeller, a guide groove for guiding liquid thrown out by the impeller is arranged on the inner side of the guide impeller, at least one part of the outer side of the guide impeller and the inner wall of the pump shell jointly form a volute communicated with the guide groove and the discharge port respectively, so that the liquid discharged from the guide groove enters the volute and is discharged from the discharge port.
Further, the impeller body has a central bore that is part of the suction inlet.
Further, the impeller has at least two blades, the guide impeller has at least two guide blades, and each guide blade is provided with at least one guiding gutter.
The concrete structure of a pump case is further provided, the pump case includes casing and head, the sunction inlet sets up the one end at the casing, the other end of casing is the opening form, the open end at the casing is connected to the head, the head is provided with and passes the hole, the axle is worn out from passing the hole.
Further in order to prevent the liquid with particles from scouring the seal head 5 and causing the seal head 5 to be worn, a lining plate is arranged between the seal head and the shell.
In order to further improve the sealing property at the other end of the pump casing and further to enable the liquid to be better sucked by the impeller, a cartridge type mechanical seal for sealing an end face penetrating the hole is provided along the circumferential direction of the shaft.
Further to facilitate suspension of the pump housing, the wear-resistant chemical process pump further comprises a suspension member connected to the head, the shaft being rotatably supported on the suspension member.
Further, in order to enable the shaft to rotate better, at least one bearing is fixed on the inner wall of the suspension part, and the shaft is fixedly connected with the inner ring of the bearing.
Further, in order to prevent the bearing from falling off, the wear-resistant chemical process pump further comprises a bearing gland which is in one-to-one correspondence with the bearing and is abutted against the bearing so as to fix the bearing, and the bearing gland is fixedly connected to the suspension component.
Further, in order to prevent dust from entering the bearing, a dust-proof disc is mounted on the outer end face of the bearing gland.
After the technical scheme is adopted, before the engineering process pump of the utility model is started, the pump shell and the suction pipeline are filled with liquid, when the shaft drives the impeller to rotate rapidly, the liquid carrying particulate matters in the impeller is also driven by the blades of the impeller to rotate, so that the liquid obtains centrifugal force and moves outwards from the center of the guide impeller along the guide groove of the guide impeller, then is thrown out from the end part of the guide impeller and enters the volute chamber in the pump shell, when the liquid flows to the volute chamber, the sectional area of the liquid flow is gradually enlarged, the flow speed is slowed down, a part of kinetic energy is converted into static energy head, the pressure is raised, and finally the liquid is pressed out from the discharge port, meanwhile, the liquid in the impeller center is thrown out to generate local vacuum, so the liquid in the liquid suction pool is continuously sucked into the pump shell from the suction pipeline and the suction port in sequence under the action of liquid level pressure, the impeller rotates continuously, and liquid is sent to the elevated tank or the pressure vessel continuously from the liquid absorption tank, the impeller of the utility model has the liquid with particles such as coal slurry and the like when rotating, is thrown out along the diversion trench when flowing at high speed, and does not erode the pump shell, thereby reducing the abrasion of the pump shell of a large part, and a lining plate is also arranged between the seal head and the shell, which can also effectively prevent the liquid with particles from eroding the seal head, and prolongs the service life of the wear-resistant chemical process pump; the guiding gutter on the guide vane wheel also makes liquid flow stable to reduce the vibrations of wear-resisting type chemical process pump, also improved the work efficiency of wear-resisting type chemical process pump, the utility model discloses still possess collection dress formula mechanical seal, collection dress formula mechanical seal has promoted the leakproofness between axle and the pump case, the utility model discloses a bearing makes the axle rotate relatively the pump case better, and then makes the change cycle of axle can prolong.
Drawings
Fig. 1 is the structure diagram of the wear-resistant chemical process pump of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a wear-resistant chemical process pump comprises:
the pump comprises a pump shell, a pump body and a pump body, wherein the pump shell is provided with a cavity, the end part of the pump shell is provided with a suction inlet 11 communicated with the cavity, and the side wall of the pump shell is provided with a discharge outlet 12 communicated with the cavity;
a shaft 2, the head of the shaft 2 is arranged in the pump shell along the axial direction of the pump shell;
the impeller 3 is fixedly connected with the head of the shaft 2, and the suction port 11 is opposite to the central position of the impeller 3, so that the impeller 3 is driven to rotate by the rotation of the shaft 2, and liquid sucked from the suction port 11 is thrown out;
the guide impeller 4 is fixed on the inner wall of the pump shell, the axis of the guide impeller 4 is coincident with the axis of the impeller 3, a guide groove for guiding the liquid thrown out by the impeller 3 is arranged on the inner side of the guide impeller 4, at least one part of the outer side of the guide impeller 4 and the inner wall of the pump shell jointly form a volute chamber 13 which is respectively communicated with the guide groove and the discharge port 12, so that the liquid discharged from the guide groove enters the volute chamber 13 and is discharged from the discharge port 12. In the present embodiment, the suction port 11 communicates with a suction line, and the discharge port 12 communicates with a discharge line.
As shown in fig. 1, the impeller 3 has a central hole 31, and the central hole 31 is a part of the suction port 11.
As shown in fig. 1, the impeller 3 has at least two blades, and the guide impeller 4 has at least two guide blades, and each guide blade is provided with at least one guide groove.
As shown in fig. 1, the pump casing includes a casing 1 and a head 5, the suction port 11 is disposed at one end of the casing 1, the other end of the casing 1 is open, the head 5 is connected to the open end of the casing 1, the head 5 is provided with a through hole, and the shaft 2 penetrates through the through hole.
As shown in fig. 1, in order to prevent the liquid with particles from scouring the seal head 5 and causing abrasion of the seal head 5, a lining plate 6 is arranged between the seal head 5 and the shell 1.
As shown in fig. 1, in order to improve the sealing property at the other end of the pump casing and to allow the liquid to be sucked more efficiently by the impeller 3, a cartridge type mechanical seal 7 for sealing an end surface passing through the hole is provided along the circumferential direction of the shaft 2.
As shown in fig. 1, in order to facilitate the suspension of the pump casing, the wear-resistant chemical process pump further includes a suspension member 8 connected to the head 5, and the shaft 2 is rotatably supported by the suspension member 8. In this embodiment, the suspension member 8 is provided with a suspension ring 81.
As shown in fig. 1, at least one bearing 91 is fixed to the inner wall of the suspension member 8, and the shaft 2 is fixedly connected to the inner ring of the bearing 91, in order to allow the shaft 2 to rotate better.
As shown in fig. 1, in order to prevent the bearings 91 from falling off, the wear-resistant chemical process pump further includes bearing covers 92 corresponding to the bearings 91 one by one and abutting against the bearings 91 to fix the bearings 91, and the bearing covers 92 are fixedly connected to the suspension member 8.
As shown in fig. 1, a dust-proof disk 93 is mounted on an outer end surface of the bearing cover 92 in order to prevent dust from entering the bearing 91.
The working principle of the utility model is as follows:
before starting the engineering process pump of the utility model, the pump case and the suction pipeline are filled with liquid, when the shaft 2 drives the impeller 3 to rotate rapidly, the liquid carrying particulate matter in the impeller 3 is also driven by the blades of the impeller 3 to rotate, so that the liquid obtains centrifugal force and moves outwards from the center of the guide impeller 4 along the guide groove of the guide impeller 4, then is thrown out from the end part of the guide impeller 4 and enters the volute chamber 13 in the pump case, when the liquid flows to the volute chamber 13, the flow speed is reduced due to the gradual expansion of the cross-sectional area of the liquid flow, part of the kinetic energy is converted into static energy head, the pressure rises and is pressed out from the discharge port 12, meanwhile, the liquid in the center of the impeller 3 is thrown out to generate local vacuum, therefore, the liquid in the liquid suction pool is continuously sucked into the pump case from the suction pipeline and the suction port 11 under the action of the pressure, the impeller 3 rotates continuously, and liquid is sent to the elevated tank or the pressure vessel continuously from the liquid absorption tank, the impeller 3 of the utility model has the liquid of the particulate matter such as coal slurry and the like when rotating, and is thrown out along the diversion trench when flowing at high speed without scouring the pump shell, thereby reducing the abrasion of the pump shell of the large part, the lining plate 6 is also arranged between the seal head 5 and the shell 1, and the liquid with the particulate matter can be effectively prevented from scouring the seal head 5, thus prolonging the service life of the wear-resistant chemical process pump of the utility model; the guiding gutter on the guide vane wheel 4 also makes liquid flow stable to reduce the vibrations of wear-resisting type chemical process pump, also improved the work efficiency of wear-resisting type chemical process pump, the utility model discloses still possess collection dress formula mechanical seal 7, collection dress formula mechanical seal 7 has promoted the leakproofness between axle 2 and the pump case, the utility model discloses a bearing 91 makes axle 2 rotate relative to the pump case better, and then makes the change cycle of axle 2 can prolong.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "liquid flat", "vertical", "hanging" and the like do not imply that the components are absolutely liquid flat or hanging, but may be slightly inclined. Such as "liquid flat" simply means more liquid flat in its orientation relative to "vertical", and does not mean that the structure must be completely liquid flat, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on, and above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature has a liquid level that is higher than the second feature. The first feature being below, beneath and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is less liquid level than the second feature.
Claims (10)
1. The utility model provides a wear-resisting type chemical industry process pump which characterized in that, it includes:
the pump shell is provided with a cavity, the end part of the pump shell is provided with a suction inlet (11) communicated with the cavity, and the side wall of the pump shell is provided with a discharge outlet (12) communicated with the cavity;
the head of the shaft (2) is arranged in the pump shell along the axial direction of the pump shell;
the impeller (3) is fixedly connected with the head of the shaft (2), and the suction inlet (11) is opposite to the central position of the impeller (3), so that the impeller (3) is driven to rotate by the rotation of the shaft (2), and liquid sucked from the suction inlet (11) is thrown out;
the guide impeller (4) is fixed on the inner wall of the pump shell, the axis of the guide impeller (4) is coincident with the axis of the impeller (3), a guide groove for guiding liquid thrown out by the impeller (3) is formed in the inner side of the guide impeller (4), at least one part of the outer side of the guide impeller (4) and the inner wall of the pump shell jointly form a volute chamber (13) which is respectively communicated with the guide groove and the discharge port (12), so that the liquid discharged from the guide groove enters the volute chamber (13) and is discharged from the discharge port (12).
2. The wear-resistant chemical process pump of claim 1, wherein: the impeller (3) body is provided with a central hole (31), and the central hole (31) is a part of the suction port (11).
3. The wear-resistant chemical process pump of claim 1, wherein: the impeller (3) is provided with at least two blades, the guide impeller (4) is provided with at least two guide blades, and each guide blade is provided with at least one guide groove.
4. The wear-resistant chemical process pump of claim 1, wherein: the pump case includes casing (1) and head (5), sunction inlet (11) set up the one end in casing (1), the other end of casing (1) is the opening form, the open end in casing (1) is connected in head (5), head (5) are provided with and pass the hole, axle (2) are worn out from passing the hole.
5. The wear-resistant chemical process pump of claim 4, wherein: a lining plate (6) is further arranged between the seal head (5) and the shell (1).
6. The wear-resistant chemical process pump of claim 4, wherein: a cartridge-type mechanical seal (7) for sealing an end face penetrating a hole is provided along the circumferential direction of the shaft (2).
7. The wear-resistant chemical process pump of claim 4, wherein: the sealing device further comprises a suspension part (8) connected with the sealing head (5), and the shaft (2) is rotatably supported on the suspension part (8).
8. The wear-resistant chemical process pump of claim 7, wherein: at least one bearing (91) is fixed on the inner wall of the suspension component (8), and the shaft (2) is fixedly connected with the inner ring of the bearing (91).
9. The wear-resistant chemical process pump of claim 8, wherein: the suspension component is characterized by further comprising bearing glands (92) which correspond to the bearings (91) one to one and are abutted against the bearings (91) to fix the bearings (91), and the bearing glands (92) are fixedly connected to the suspension component (8).
10. The wear-resistant chemical process pump of claim 9, wherein: a dust-proof disk (93) is mounted on the outer end surface of the bearing gland (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966736.2U CN210164650U (en) | 2019-06-25 | 2019-06-25 | Wear-resisting type chemical process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966736.2U CN210164650U (en) | 2019-06-25 | 2019-06-25 | Wear-resisting type chemical process pump |
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| Publication Number | Publication Date |
|---|---|
| CN210164650U true CN210164650U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920966736.2U Active CN210164650U (en) | 2019-06-25 | 2019-06-25 | Wear-resisting type chemical process pump |
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| CN (1) | CN210164650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929652A (en) * | 2023-02-02 | 2023-04-07 | 莱芜金山矿产资源有限公司 | High-strength and long-service-life desulphurization pump |
-
2019
- 2019-06-25 CN CN201920966736.2U patent/CN210164650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929652A (en) * | 2023-02-02 | 2023-04-07 | 莱芜金山矿产资源有限公司 | High-strength and long-service-life desulphurization pump |
| CN115929652B (en) * | 2023-02-02 | 2023-07-28 | 莱芜金山矿产资源有限公司 | High-strength long-life desulfurization pump |
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