CN213451006U - Double-shell high-temperature wear-resistant jacket pump for slurry bed device - Google Patents
Double-shell high-temperature wear-resistant jacket pump for slurry bed device Download PDFInfo
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- CN213451006U CN213451006U CN202022631208.7U CN202022631208U CN213451006U CN 213451006 U CN213451006 U CN 213451006U CN 202022631208 U CN202022631208 U CN 202022631208U CN 213451006 U CN213451006 U CN 213451006U
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- 239000002002 slurry Substances 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002609 medium Substances 0.000 description 9
- 238000004321 preservation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000006163 transport media Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a slurry bed device is with wear-resisting cover pump that presss from both sides of bivalve body high temperature, include: the pump comprises a pump shell, an upper jacket, a lower jacket and a heat-insulating layer wrapped on the outer walls of the upper jacket and the lower jacket; the steam access pipeline is arranged on the upper jacket and is communicated with the inside of the upper jacket; the proportional valve is arranged on the steam access pipeline, is electrically connected with the electric control system and is used for controlling the amount of the high-temperature steam entering the upper jacket; the steam outlet is arranged at the bottom side of the lower jacket and used for discharging low-temperature steam; the temperature sensor is arranged on the pump shell, is electrically connected with the electric control system and is used for detecting the temperature of the pump shell; the pressure sensor is arranged at the top of the upper jacket; the second reinforcing rib is arranged on the left lower side of the pump shell, is positioned in the lower jacket and is used for supporting the lower jacket; the third reinforcing rib is arranged on the right lower side of the pump shell, is positioned in the lower jacket and is used for supporting the lower jacket; the first through holes are uniformly distributed on the mounting seat.
Description
Technical Field
The utility model relates to a centrifugal pump technical field specifically is a slurry bed device is with wear-resisting jacket pump of double-shell body high temperature.
Background
The petroleum is used as a precious non-renewable resource, the key for improving the utilization rate of the petroleum lies in the deep conversion of the residual oil, the slurry bed residual oil hydrogenation device can meet the requirement of further deterioration of the residual oil, the crude oil purchasing cost is greatly reduced, and the petroleum hydrogenation device is the development direction of the future petrochemical industry. The double-shell high-temperature wear-resistant jacket pump (a vacuum tower bottom pump) is used as a core pump of a slurry bed residual oil hydrogenation device, and the influence on the whole device is great if the double-shell high-temperature wear-resistant jacket pump can run smoothly. The medium used by the slurry bed residual oil hydrogenation device is mainly heavy oil or asphalt with high density, high viscosity, large particles and the use temperature of up to 300 ℃. And the device for conveying the medium is difficult to design. The difficulty is mainly the characteristics of high temperature and high viscosity of the pumped medium! When the external environment temperature is reduced (in winter) and the equipment is shut down, the heat dissipation of the medium in the equipment is increased, the temperature is reduced, the fluidity of the medium is reduced, and even the medium is solidified, so that the equipment cannot normally operate.
The current common method is to carry out electric tracing heating on the pump, namely winding a tracing band on the device body, electrifying the tracing band to generate heat and transferring the heat to the pump, and the method has the following defects:
1. the appearance of the equipment to be subjected to heat tracing also requires to be relatively simple and regular (such as a BB5 type pump), and for equipment with an irregular appearance (such as a BB2 type pump), the heat tracing band can not realize full coverage, and the conditions of local heat tracing and heat preservation can not be realized;
2. the power consumption is large, and the economical efficiency is poor;
3. because the electricity is electrified, certain potential safety hazard is brought to personnel for field maintenance;
also some pumps adopt the technical scheme of the heat preservation jacket, for example CN103696990A discloses a full jacket heat preservation pump, all there is a clamp cavity at pump inlet end, outlet end pump casing, pump cover and gland, let in liquid heat medium or hot steam and heat all with the contact of transport medium or transport medium to the pump body, this kind of structure has only added a clamp cavity in the pump casing, still there is little in the heat transfer surface, the low deficiency of heat exchange efficiency, the heat medium in its clamp cavity also dispels the heat to the environment through the clamp cavity surface in the time of to the heat transfer heat in the pump casing, waste the heat of heating medium, there is the high deficiency of energy consumption.
Disclosure of Invention
The utility model aims at providing a double-shell high-temperature wear-resistant jacket pump for a slurry bed device, which has the advantages of increasing the heat exchange area and improving the heat exchange efficiency through the arranged reinforcing ribs, and the jacket has multi-point support, good stability and reliability and good temperature uniformity; the supply amount of high-temperature steam can be automatically adjusted through the temperature sensor and the proportional valve, the high-temperature steam is saved, the high-temperature steam pressure in the jacket can be detected in real time through the arranged pressure sensor, and the safety is improved; the heat preservation layer is arranged outside the jacket, so that heat loss to the environment is effectively reduced, the energy-saving effect is further improved, and the problem in the prior art is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a double-shell high-temperature wear-resistant jacket pump for a slurry bed device comprises:
the pump housing 2 is provided with a plurality of pump chambers,
the mounting seats 204 are arranged on two sides of the horizontal center line of the pump housing 2 and are used for being connected with a mounting base to fix the double-housing high-temperature wear-resistant jacket pump;
the upper clamping sleeve 3 is wrapped outside the pump housing 2, is positioned at the upper end of the mounting seat 204 and is connected with the mounting seat 204 in a sealing welding manner;
the lower clamping sleeve 19 is wrapped outside the pump housing 2, positioned at the lower end of the mounting seat 204 and connected with the mounting seat 204 in a sealing and welding manner;
the heat-insulating layer 22 is attached to the outer walls of the upper jacket 3 and the lower jacket 19 and is used for insulating the upper jacket 3 and the lower jacket 19, so that heat is prevented from being dissipated to the environment, the use amount of high-temperature steam is saved, and the energy-saving and heat-insulating effects are improved;
a steam access pipe 4, which is arranged on the upper jacket 3, is connected with the inside of the upper jacket 3, and is used for supplying high-temperature steam into the upper jacket 3;
the proportional valve 5 is arranged on the steam access pipeline 4, is electrically connected with an electric control system and is used for controlling the amount of high-temperature steam entering the upper jacket 3;
a steam outlet 20 provided at the bottom side of the lower jacket 19 for discharging low-temperature steam;
the temperature sensor 21 is arranged on the pump housing 2, is electrically connected with the electric control system, and is used for detecting the temperature of the pump housing 2;
the pressure sensor 10 is arranged at the top of the upper jacket 3, is electrically connected with the electric control system and is used for detecting the steam pressure in the upper jacket 3;
the first exhaust boss 6 and the second exhaust boss 11 are arranged at the top of the pump shell 2, and both the first exhaust boss 6 and the second exhaust boss 11 penetrate through the upper jacket 3 and are in sealed welding connection with the upper jacket 3 to support the upper jacket 3, so that the stability and the strength of the upper jacket 3 are improved;
the second reinforcing rib 205 is arranged on the lower left side of the pump housing 2, is located in the lower jacket 19, and is used for supporting the lower jacket 19, so that the stability and strength of the lower jacket 19 are improved, meanwhile, the contact area of the pump housing 2 and high-temperature steam is increased, heat is introduced into the pump housing 2, and the heat exchange efficiency is improved;
the third reinforcing rib 206 is arranged on the lower right side of the pump housing 2, is positioned in the lower jacket 19, and is used for supporting the lower jacket 19, so that the stability and the strength of the lower jacket 19 are improved, meanwhile, the contact area of the pump housing 2 and high-temperature steam is increased, heat is introduced into the pump housing 2, and the heat exchange efficiency is improved;
the first through holes 207 are uniformly distributed on the mounting base 204 and are used for communicating the upper jacket 3 with the lower jacket 19, the upper jacket 3 is communicated with the lower jacket 19 to form a high-temperature steam circulation passage, the uniformity of the temperature in the upper jacket 3 and the temperature in the lower jacket 19 are ensured, and the stability of the jacket pump is improved.
Further, the double-shell high-temperature wear-resistant jacket pump for the slurry bed device further comprises:
the left pump cover 1 is arranged at the left end of the pump shell 2;
a right pump cover 14 mounted at the right end of the pump housing 2;
the partition plate 17 is arranged in the pump shell 2 and is positioned between the left pump cover 1 and the right pump cover 14;
a primary impeller 18 and a secondary impeller 16 which are fixed on the main shaft 15 in series; the main shaft 15 penetrates through the left pump cover 1, the partition 17 and the right pump cover 14, the primary impeller 18 is located between the left pump cover 1 and the partition 17, and the secondary impeller 16 is located between the partition 17 and the right pump cover 14;
a suction port 201 provided at an upper portion of the pump housing 2 and adapted to be communicated with a suction side of the primary impeller 18;
a discharge port 202 provided in an upper portion of the pump housing 2 and adapted to communicate with a discharge side of the secondary impeller 16;
a primary impeller discharge flow channel 210 provided in the inner wall of the pump housing 2 and communicating with the discharge side of the primary impeller 18 and the suction side of the secondary impeller 16;
and a secondary impeller discharge flow path 211 provided in an inner wall of the pump housing 2 and communicating with a discharge side of the secondary impeller 16 and the discharge port 202.
Further, first exhaust boss 6 with second exhaust boss 11 is hollow structure, first exhaust boss 6 with first stage impeller spits runner 210 top intercommunication, second exhaust boss 11 with secondary impeller spits runner 211 top intercommunication, through above setting, conveniently gets rid of the air in the pump casing 2 when pressing from both sides the first use of cover pump or shutting down restart, ensures the pumping efficiency and the lift of pressing from both sides the cover pump.
Furthermore, the first exhaust boss 6 and the second exhaust boss 11 extend out the outer end of the upper jacket 3 is respectively connected with a first exhaust pipe 7 and a second exhaust pipe 12, the first exhaust pipe 7 is provided with a first exhaust valve 8, the second exhaust pipe 12 is provided with a second exhaust valve 13, and through the arrangement, the exhaust and closing operation can be conveniently carried out.
Further, a first reinforcing rib 203 is arranged between the upper end of the mounting seat 204 and the pump housing 2, and a fourth through hole 212 is arranged on the first reinforcing rib 203 and is used for communicating two side areas of the first reinforcing rib 203 in the upper jacket 3.
Further, the second reinforcing rib 205 and the third reinforcing rib 206 are respectively provided with a second through hole 208 and a third through hole 209, which are used for communicating the areas between the second reinforcing rib 205 and the third reinforcing rib 206 in the lower jacket 19, so as to ensure the temperature uniformity of each area and improve the stability of the jacket pump.
Furthermore, the top of the upper jacket 3 is also provided with a safety valve 9, which is beneficial to improving the safety of the jacket pump.
Drawings
Fig. 1 is a partial sectional view of a double-casing high-temperature wear-resistant jacket pump for a slurry bed device of the present invention.
Fig. 2 is a side view of the pump casing structure of the double-casing high-temperature wear-resistant jacket pump for the slurry bed device of the present invention.
Fig. 3 is a sectional view a-a in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
Fig. 5 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 6 is a partial three-dimensional cross-sectional view of the pump casing structure of the double-casing high-temperature wear-resistant jacket pump for the slurry bed device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, a double-casing high-temperature wear-resistant jacket pump for a slurry bed apparatus comprises:
the pump housing 2 is provided with a plurality of pump chambers,
the mounting seats 204 are arranged on two sides of the horizontal center line of the pump shell 2 and used for being connected with a mounting base to fix the double-shell high-temperature wear-resistant jacket pump;
the upper clamping sleeve 3 is wrapped outside the pump shell 2, is positioned at the upper end of the mounting seat 204 and is connected with the mounting seat 204 in a sealing welding manner;
the lower clamping sleeve 19 is wrapped outside the pump shell 2, is positioned at the lower end of the mounting seat 204 and is connected with the mounting seat 204 in a sealing welding mode;
the heat preservation layer 22 is attached to the outer walls of the upper jacket 3 and the lower jacket 19 and used for preserving heat of the upper jacket 3 and the lower jacket 19, so that heat is prevented from being dissipated to the environment, the use amount of high-temperature steam is saved, and the energy-saving heat preservation effect is improved, wherein the heat preservation layer can be a glass fiber heat preservation layer;
a steam access pipe 4 arranged on the upper jacket 3, connected with the inside of the upper jacket 3, and used for supplying high-temperature steam into the upper jacket 3;
the proportional valve 5 is arranged on the steam access pipeline 4, is electrically connected with the electric control system and is used for controlling the amount of high-temperature steam entering the upper jacket 3;
a steam outlet 20 provided at the bottom side of the lower jacket 19 for discharging low-temperature steam;
here, the space between the upper jacket 3 and the lower jacket 19 and the pump housing 2 is a hollow structure, the hollow structure is filled with high-temperature steam input by the steam input pipeline 4, and after heat exchange is completed, the high-temperature steam is discharged from the steam outlet 20;
the temperature sensor 21 is arranged on the pump housing 2, is electrically connected with the electric control system and is used for detecting the temperature of the pump housing 2, the temperature value of the pump housing 2 and the real-time temperature value are transmitted to the electric control system through the temperature sensor 21, the opening degree of the proportional valve 5 is controlled by the electric control system, specifically, when the temperature of the pump housing 2 is lower than a set value, the opening degree of the proportional valve 5 is increased, the input quantity of high-temperature steam is increased, more heat is input, so that the temperature of the pump housing 2 is increased, and when the temperature value of the pump housing 2 reaches the set value, the opening degree of the proportional valve 5 is reduced, so that the temperature is;
the pressure sensor 10 is arranged at the top of the upper jacket 3, is electrically connected with the electric control system, and is used for detecting the steam pressure in the upper jacket 3 and transmitting a pressure signal to the electric control system for real-time monitoring so as to ensure that the pressure in the upper jacket 3 and the pressure in the lower jacket 19 are controlled;
the first exhaust boss 6 and the second exhaust boss 11 are arranged at the top of the pump shell 2, and both the first exhaust boss 6 and the second exhaust boss 11 penetrate through the upper jacket 3 and are in sealed welding connection with the upper jacket 3 to support the upper jacket 3, so that the stability and the strength of the upper jacket 3 are improved;
the second reinforcing rib 205 is arranged on the left lower side of the pump housing 2, is positioned in the lower jacket 19, and is used for supporting the lower jacket 19, so that the stability and the strength of the lower jacket 19 are improved, meanwhile, the contact area of the pump housing 2 and high-temperature steam is increased, heat is introduced into the pump housing 2, and the heat exchange efficiency is improved;
the third reinforcing rib 206 is arranged on the lower right side of the pump housing 2, is positioned in the lower jacket 19, and is used for supporting the lower jacket 19, so that the stability and the strength of the lower jacket 19 are improved, meanwhile, the contact area of the pump housing 2 and high-temperature steam is increased, heat is introduced into the pump housing 2, and the heat exchange efficiency is improved;
the first through holes 207 are uniformly distributed on the mounting base 204 and used for communicating the upper jacket 3 with the lower jacket 19, the upper jacket 3 and the lower jacket 19 are communicated to form a high-temperature steam circulation passage, the uniformity of the temperature in the upper jacket 3 and the lower jacket 19 is ensured, and the stability of the jacket pump is improved.
Further, slurry bed device still includes with double-shell body high temperature wear-resisting jacket pump: the left pump cover 1 is arranged at the left end of the pump shell 2; a right pump cover 14 mounted at the right end of the pump housing 2; the partition plate 17 is arranged in the pump shell 2 and is positioned between the left pump cover 1 and the right pump cover 14; a primary impeller 18 and a secondary impeller 16 which are fixed on the main shaft 15 in series; the main shaft 15 penetrates through the left pump cover 1, the partition plate 17 and the right pump cover 14, the first-stage impeller 18 is positioned between the left pump cover 1 and the partition plate 17, and the second-stage impeller 16 is positioned between the partition plate 17 and the right pump cover 14; the suction inlet 201 is arranged at the upper part of the pump shell 2 and is matched and communicated with the suction side of the primary impeller 18, wherein the end part of the suction inlet 201 extends out of the top end of the upper jacket 3, and the outer wall of the suction inlet 201 is connected with the upper jacket 3 in a welding and sealing way; the discharge port 202 is arranged at the upper part of the pump shell 2 and is matched and communicated with the discharge side of the secondary impeller 16, wherein the end part of the discharge port 202 extends out of the top end of the upper jacket 3, and the outer wall of the discharge port 202 is connected with the upper jacket 3 in a welding and sealing way; the primary impeller discharge channel 210 is arranged on the inner wall of the pump housing 2 and is communicated with the discharge side of the primary impeller 18 and the suction side of the secondary impeller 16; the secondary impeller discharge passage 211 is provided in the inner wall of the pump housing 2 and communicates with the discharge side of the secondary impeller 16 and the discharge port 202.
Furthermore, the first exhaust boss 6 and the second exhaust boss 11 are both of a hollow structure, the first exhaust boss 6 is communicated with the top of the primary impeller discharge channel 210, and the second exhaust boss 11 is communicated with the top of the secondary impeller discharge channel 211, so that air in the pump shell 2 can be conveniently discharged when the jacket pump is used for the first time or is stopped and restarted, and the pumping efficiency and the lift of the jacket pump are ensured.
Further, the outer ends of the first exhaust boss 6 and the second exhaust boss 11 extending out of the upper jacket 3 are respectively connected with a first exhaust pipe 7 and a second exhaust pipe 12, the first exhaust pipe 7 is provided with a first exhaust valve 8, and the second exhaust pipe 12 is provided with a second exhaust valve 13, so that exhaust and closing operations can be conveniently performed.
Further, a first reinforcing rib 203 is arranged between the upper end of the mounting seat 204 and the pump housing 2, and a fourth through hole 212 is arranged on the first reinforcing rib 203 and used for communicating two side areas of the first reinforcing rib 203 in the upper jacket 3.
Further, the second reinforcing rib 205 and the third reinforcing rib 206 are respectively provided with a second through hole 208 and a third through hole 209, which are used for communicating the areas between the second reinforcing rib 205 and the third reinforcing rib 206 in the lower jacket 19, so as to ensure the temperature uniformity of each area and improve the stability of the jacket pump.
Furthermore, the top of the upper jacket 3 is also provided with a safety valve 9, which is beneficial to improving the safety of the jacket pump.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a slurry bed device is with wear-resisting jacket pump of double-shell body high temperature which characterized in that includes:
a pump shell (2),
the mounting seats (204) are arranged on two sides of the horizontal center line of the pump shell (2) and are used for being connected with a mounting base to fix the double-shell high-temperature wear-resistant jacket pump;
the upper clamping sleeve (3) is wrapped outside the pump shell (2), is positioned at the upper end of the mounting seat (204) and is connected with the mounting seat (204) in a sealing and welding manner;
the lower clamping sleeve (19) is wrapped outside the pump shell (2), is positioned at the lower end of the mounting seat (204) and is connected with the mounting seat (204) in a sealing and welding mode;
the heat-insulating layer (22) is attached to the outer walls of the upper jacket (3) and the lower jacket (19);
the steam access pipeline (4) is arranged on the upper jacket (3), is communicated with the inside of the upper jacket (3) and is used for supplying high-temperature steam into the upper jacket (3);
the proportional valve (5) is arranged on the steam access pipeline (4), is electrically connected with the electric control system and is used for controlling the amount of the high-temperature steam entering the upper jacket (3);
a steam outlet (20) arranged at the bottom side of the lower jacket (19) and used for discharging low-temperature steam;
the temperature sensor (21) is arranged on the pump shell (2), is electrically connected with the electric control system and is used for detecting the temperature of the pump shell (2);
the pressure sensor (10) is arranged at the top of the upper jacket (3), is electrically connected with the electric control system and is used for detecting the steam pressure in the upper jacket (3);
the first exhaust boss (6) and the second exhaust boss (11) are arranged at the top of the pump shell (2), and both the first exhaust boss (6) and the second exhaust boss (11) penetrate through the upper jacket (3) and are in sealing welding connection with the upper jacket (3) to support the upper jacket (3);
the second reinforcing rib (205) is arranged on the left lower side of the pump shell (2), is positioned in the lower jacket (19), and is used for supporting the lower jacket (19) and increasing the heat exchange area;
the third reinforcing rib (206) is arranged on the right lower side of the pump shell (2), is positioned in the lower jacket (19), and is used for supporting the lower jacket (19) and increasing the heat exchange area;
a plurality of first through holes (207) are uniformly distributed on the mounting seat (204) and used for communicating the upper jacket (3) with the lower jacket (19).
2. A double-casing high-temperature wear-resistant jacketed pump for a slurry bed apparatus as claimed in claim 1, further comprising:
the left pump cover (1) is mounted at the left end of the pump shell (2);
the right pump cover (14) is arranged at the right end of the pump shell (2);
the partition plate (17) is arranged in the pump shell (2) and is positioned between the left pump cover (1) and the right pump cover (14);
a primary impeller (18) and a secondary impeller (16) which are fixed on the main shaft (15) in series; the main shaft (15) penetrates through the left pump cover (1), the partition plate (17) and the right pump cover (14), the primary impeller (18) is located between the left pump cover (1) and the partition plate (17), and the secondary impeller (16) is located between the partition plate (17) and the right pump cover (14);
the suction inlet (201) is arranged at the upper part of the pump shell (2) and is matched and communicated with the suction side of the primary impeller (18);
a discharge port (202) provided at the upper part of the pump housing (2) and adapted to communicate with the discharge side of the secondary impeller (16);
a primary impeller discharge channel (210) which is provided on the inner wall of the pump housing (2) and is communicated with the discharge side of the primary impeller (18) and the suction side of the secondary impeller (16);
and a secondary impeller discharge flow passage (211) provided in the inner wall of the pump housing (2) and communicating with the discharge side of the secondary impeller (16) and the discharge port (202).
3. The double-shell high-temperature wear-resistant jacket pump for the slurry bed device as recited in claim 2, wherein the first exhaust boss (6) and the second exhaust boss (11) are both hollow structures, the first exhaust boss (6) is communicated with the top of the primary impeller discharge flow channel (210), and the second exhaust boss (11) is communicated with the top of the secondary impeller discharge flow channel (211).
4. A double-casing high-temperature wear-resistant jacket pump for a slurry bed device according to claim 3, wherein the outer ends of the first exhaust boss (6) and the second exhaust boss (11) extending out of the upper jacket (3) are respectively connected with a first exhaust pipe (7) and a second exhaust pipe (12), the first exhaust pipe (7) is provided with a first exhaust valve (8), and the second exhaust pipe (12) is provided with a second exhaust valve (13).
5. A double-casing high-temperature wear-resistant jacket pump for a slurry bed device according to claim 4, characterized in that a first reinforcing rib (203) is arranged between the upper end of the mounting seat (204) and the pump casing (2), and a fourth through hole (212) is formed in the first reinforcing rib (203) and is used for communicating two side areas of the first reinforcing rib (203) in the upper jacket (3).
6. A double-casing high-temperature wear-resistant jacket pump for a slurry bed apparatus as claimed in claim 5, wherein said second reinforcing rib (205) and said third reinforcing rib (206) are provided with a second through hole (208) and a third through hole (209), respectively, for allowing the region between said second reinforcing rib (205) and said third reinforcing rib (206) in said lower jacket (19) to communicate with each other.
7. A double-shell high-temperature wear-resistant jacket pump for a slurry bed apparatus as claimed in claim 5, wherein a safety valve (9) is further provided on the top of the upper jacket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631208.7U CN213451006U (en) | 2020-11-15 | 2020-11-15 | Double-shell high-temperature wear-resistant jacket pump for slurry bed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631208.7U CN213451006U (en) | 2020-11-15 | 2020-11-15 | Double-shell high-temperature wear-resistant jacket pump for slurry bed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451006U true CN213451006U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022631208.7U Active CN213451006U (en) | 2020-11-15 | 2020-11-15 | Double-shell high-temperature wear-resistant jacket pump for slurry bed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451006U (en) |
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2020
- 2020-11-15 CN CN202022631208.7U patent/CN213451006U/en active Active
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