CN216278541U - Anti-corrosion geothermal electric pump - Google Patents
Anti-corrosion geothermal electric pump Download PDFInfo
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- CN216278541U CN216278541U CN202123032904.7U CN202123032904U CN216278541U CN 216278541 U CN216278541 U CN 216278541U CN 202123032904 U CN202123032904 U CN 202123032904U CN 216278541 U CN216278541 U CN 216278541U
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Abstract
The utility model relates to an anti-corrosion geothermal electric pump, which comprises a geothermal submersible motor section, a water inlet section, a pump cylinder section and a water outlet section from bottom to top, wherein a plurality of heat exchange tubes are fixedly arranged at the water inlet part of the water inlet section in a coaxial and uniformly distributed manner at intervals, the heat exchange tubes fixedly arranged on an upper guide bearing seat of the geothermal submersible motor corresponding to the water inlet section are respectively communicated and fixedly provided with a flow guide tube, and the lower end of the flow guide tube is communicated with the interior of the geothermal submersible motor. The utility model is characterized in that guide pipes communicated with the inside of a motor are fixedly arranged on an upper guide bearing seat of a geothermal submersible motor at intervals, and the guide pipes are communicated with heat exchange pipes which are uniformly arranged on a water inlet joint and are axially and fixedly arranged. Through the cold conduction of the heat exchange tube intaking, can show the temperature that reduces in the motor, not only effectively reduce the problem that the motor burns the package, can also improve the work efficiency and the life of motor, effectively solved the problem that the internal fault and the disability rate of geothermal diving motor are high.
Description
Technical Field
The utility model belongs to the field of geothermal electric pumps, relates to innovation of geothermal electric pumps in the aspects of motor cooling and corrosion prevention, and particularly relates to an anti-corrosion geothermal electric pump.
Background
The geothermal electric pump is composed of a geothermal submersible motor and a pump body, wherein the geothermal submersible motor is a power source for pumping liquid and is arranged under water during working, so that the working environment is very severe, and the failure rate, the rejection rate and the maintenance cost are very high. The reasons for this are as follows: 1. the geothermal submersible motor works in water and has higher temperature, so that the geothermal submersible motor of the cast iron shell is oxidized more seriously, and the geothermal submersible motor has poor heat dissipation and is easy to generate package burning faults as a result of oxidation; 2. in a high-temperature underwater environment, the pressure is increased due to the increase of the temperature in the geothermal submersible motor, and a compensator made of rubber is broken down, so that dirt such as sand slurry enters the geothermal submersible motor, and the geothermal submersible motor is scrapped; 3. the geothermal submersible motor has higher fault and rejection rate, short working period and higher maintenance cost, becomes an aeipatous illness puzzling the submersible motor industry, and has not been satisfactorily solved so far.
In addition, the pump body of the geothermal electric pump is usually made of cast iron, and the corrosion prevention effect is poor. The impeller guide shells forming the pump body are coaxially connected in series by screws and integrally fixed by the brace, so that the pump body is easily deformed and even cracked by pressure, impurities and high temperature in a geothermal well, and the service efficiency and the service life of the geothermal electric pump are directly influenced.
No patent document relevant to the present patent application has been found by a search of published patent documents.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the anti-corrosion geothermal electric pump which can effectively improve the heat dissipation performance of the geothermal submersible motor, has good anti-corrosion performance of the pump body and is convenient to assemble and disassemble.
The purpose of the utility model is realized as follows:
the utility model provides an anticorrosive geothermol power charge pump, its overall structure comprises geothermol power submerged motor section, water inlet section, pump barrel section and play water festival from bottom to top, and geothermol power submerged motor is through the coaxial water inlet section of adorning of the coaxial dress of upper guide bearing frame of coaxial dress admits water festival admits water, and the upper end of this water inlet section is coaxial through lower coupling joint and pump barrel section coaxial coupling, and the upper end of pump barrel section is coaxial through last coupling joint and the coaxial dress of adorning of water festival admits water, the position of intaking of water festival is with the axial equipartition interval and is equipped with a plurality of heat exchange tubes admittedly a water inlet is equipped with the heat exchange tube of adorning admittedly also switches on corresponding on the festival of intaking on the upper guide bearing frame of geothermol power submerged motor respectively and is equipped with the honeycomb duct admittedly, switches on the lower extreme and the geothermol power submerged motor of this honeycomb duct.
And the upper end of the upper connecting joint coaxially mounts the water outlet joint through a cylinder flange, a threaded flange and a threaded pressure ring, wherein the threaded flange is fixedly mounted on the water outlet joint in a threaded engagement mode, the lower cylindrical surface of the outer edge of the cylinder flange is provided with an external thread which is engaged with a positioning sleeve, a suspension buckle is arranged between the positioning sleeve and the upper connecting joint, the outer edge of the lower part of the suspension buckle is provided with an upper step, the upper step is matched with the lower end surface of the positioning sleeve, and a stainless steel outer cylinder is sleeved outside the positioning sleeve.
Moreover, the upper surface of the hanging buckle is provided with a screw hole which is meshed with a fastening bolt for connecting the cylinder flange, the threaded flange and the threaded compression ring; and a positioning screw is further arranged in the radial direction of the stainless steel outer cylinder corresponding to the position of the suspension buckle, and the positioning screw positions the stainless steel outer cylinder after the suspension buckle and the positioning sleeve are positioned.
And a pressure safety valve is also communicated and installed on the water inlet joint at the upper end of the heat exchange tube.
The utility model has the advantages and positive effects that:
1. the utility model relates to a geothermal submersible electric pump.A guide pipe communicated with the inside of a geothermal submersible motor is uniformly and fixedly arranged on an upper guide bearing seat of the geothermal submersible motor at intervals, and is communicated with a heat exchange pipe uniformly and axially fixedly arranged on a water inlet joint. Through the cold conduction of the heat exchange tube intaking, can show the temperature that reduces in the motor, not only effectively reduce the problem that the motor burns the package, can also improve the work efficiency and the life of motor, effectively solved the problem that the internal fault and the disability rate of geothermal diving motor are high.
2. The geothermal submersible electric pump is provided with the pressure safety valve on the added heat exchange tube, so that the pressure safety valve can be opened for pressure relief through pressure conduction when the temperature in the motor is overhigh, the problem that a compensator is punctured is avoided, and the motor can normally run at any temperature of 100 ℃ and 200 ℃;
3. the stainless steel outer cylinder is coaxially and fixedly arranged outside the pump body, and not only can the coaxiality and firmness of the impeller guide shell of the pump cylinder section be guaranteed, but also the corrosion can be effectively prevented; in addition, the stainless steel outer cylinder adopts a bolt stretching fixing and screw radial positioning method, the impeller guide shell is simple and convenient to disassemble and replace, the assembly is rapid, the precision is high, the structure is simple, scientific and practical, and the process installation level of the geothermal electric pump is greatly improved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure of the portion F in FIG. 1;
fig. 3 is an enlarged schematic view of the structure of the part E in fig. 1.
Detailed Description
The utility model is further illustrated by the following examples: the following examples are illustrative and not intended to be limiting, and are not intended to limit the scope of the utility model.
An anti-corrosion geothermal electric pump is shown in figure 1, and the overall structure of the anti-corrosion geothermal electric pump is composed of a geothermal submersible motor section A, a water inlet joint B, a pump barrel section C and a water outlet joint D from bottom to top. Referring to fig. 2 and 3, a geothermal submersible motor 8 is coaxially and fixedly mounted on a water inlet joint 5 through an upper guide bearing seat 6 which is coaxially and fixedly mounted, the upper end of the water inlet joint is coaxially connected with a pump barrel section 1 through a lower connecting joint 2, and the upper end of the pump barrel section is coaxially and fixedly mounted with a water outlet joint 16 through an upper connecting joint 10.
The innovation points of the utility model are as follows:
1. referring to fig. 2, a plurality of heat exchange tubes 4 are coaxially and uniformly arranged at the water inlet position of the water inlet joint at intervals, the heat exchange tubes fixedly arranged on the upper guide bearing seat of the geothermal submersible motor corresponding to the water inlet joint are respectively communicated and fixedly provided with a flow guide tube 7, the lower end of the flow guide tube is communicated with the interior of the geothermal submersible motor, and the upper ends of the heat exchange tubes are fixedly sealed with the water inlet joint. Through the cold conduction of the heat exchange tube at the water inlet part of the water inlet saving part, the water temperature in the motor can be obviously reduced, the problem of package burning of the motor is effectively reduced, and the working efficiency and the service life of the motor can be improved.
In addition, a pressure safety valve 3 is further communicated and installed on the water inlet joint at the upper end of the heat exchange tube, and the pressure safety valve can be opened for pressure relief through pressure conduction when the temperature in the motor is too high, so that the problem that the compensator is broken down is avoided, and the normal operation of the motor at any temperature of 100-200 ℃ is realized.
2. Referring to fig. 3, the coaxial connection mode of the pump cylinder section and the water outlet joint is as follows:
the lower end of the upper connecting joint is coaxially and fixedly installed with the pump cylinder section, the upper end of the upper connecting joint is coaxially installed with the water outlet joint through a cylinder flange 18, a threaded flange 15, a threaded pressure ring 17 and other components, and the threaded flange is fixedly installed on the water outlet joint in a threaded engagement mode. The lower cylindrical surface of the outer edge of the flange of the cylinder body is provided with an external thread which is meshed with a positioning sleeve 13, a suspension buckle 11 is arranged between the positioning sleeve and the upper connecting joint, the outer edge of the lower part of the suspension buckle is provided with an upper step which is matched with the lower end surface of the positioning sleeve, and a stainless steel outer cylinder 9 is sleeved outside the positioning sleeve.
The suspension buckle has two functions, one is that a screw hole is arranged on the suspension buckle and is meshed with a fastening bolt 14 which is used for connecting the cylinder flange, the threaded flange and the threaded compression ring, and when the fastening bolt is screwed down, the positioning sleeve can be tensioned upwards through the upward displacement of the suspension buckle so as to fasten and position the water outlet joint and the pump cylinder section; and secondly, a positioning screw 12 is further arranged in the radial direction of the stainless steel outer cylinder corresponding to the position of the suspension buckle, and the positioning screw positions the stainless steel outer cylinder after the suspension buckle and the positioning sleeve are positioned.
The stainless steel outer cylinder is coaxially and fixedly arranged outside the pump cylinder section, and the positioning sleeve and the water outlet section can be coaxially fastened on the pump cylinder section in a mode that the fastening bolt is meshed with the suspension buckle, so that effective corrosion resistance can be realized, and the coaxiality and firmness of coaxial installation of the impeller guide shell can be ensured; meanwhile, the stainless steel outer barrel can also prevent the underground accident caused by the deformation and the fragmentation of the impeller guide shell due to external force. And the stainless steel outer cylinder adopts a bolt stretching fixing and screw radial positioning method, so that the assembly is quick, the precision is high, the impeller guide shell is simple and convenient to disassemble and replace, and the process installation level of the geothermal electric pump is greatly improved.
Claims (4)
1. The utility model provides an anticorrosion geothermol power charge pump, its overall structure comprises geothermol power submerged motor section, water inlet section, pump barrel section and play water festival from bottom to top, and geothermol power submerged motor is through the coaxial water inlet section of adorning admittedly leading the bearing housing coaxial solid, and the upper end of this water inlet section is coaxial to be connected with pump barrel section coaxial through connecting link down, and the upper end of pump barrel section is coaxial to be adorned with play water festival coaxial solid through connecting link, its characterized in that: the water inlet part of the water inlet joint is coaxially and uniformly provided with a plurality of heat exchange tubes at intervals, the heat exchange tubes fixedly arranged on the upper guide bearing seat of the geothermal submersible motor corresponding to the water inlet joint are respectively communicated and fixedly provided with a flow guide tube, and the lower end of the flow guide tube is communicated with the interior of the geothermal submersible motor.
2. The anti-corrosion geothermal electric pump according to claim 1, wherein: the upper end of the upper connecting joint is coaxially mounted with the water outlet joint through a cylinder flange, a threaded flange and a threaded pressure ring, wherein the threaded flange is fixedly mounted on the water outlet joint in a threaded engagement mode, the lower cylindrical surface of the outer edge of the cylinder flange is provided with external threads which are engaged with a positioning sleeve, a suspension buckle is arranged between the positioning sleeve and the upper connecting joint, the outer edge of the lower part of the suspension buckle is provided with an upper step, the upper step is matched with the lower end surface of the positioning sleeve, and a stainless steel outer cylinder is sleeved outside the positioning sleeve.
3. The anti-corrosion geothermal electric pump according to claim 2, wherein: the upper surface of the hanging buckle is provided with a screw hole which is meshed with a fastening bolt for connecting the cylinder flange, the threaded flange and the threaded pressure ring; and a positioning screw is further arranged in the radial direction of the stainless steel outer cylinder corresponding to the position of the suspension buckle, and the positioning screw positions the stainless steel outer cylinder after the suspension buckle and the positioning sleeve are positioned.
4. The anti-corrosion geothermal electric pump according to claim 1, wherein: and a pressure safety valve is also communicated and installed on the water inlet joint at the upper end of the heat exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032904.7U CN216278541U (en) | 2021-12-03 | 2021-12-03 | Anti-corrosion geothermal electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032904.7U CN216278541U (en) | 2021-12-03 | 2021-12-03 | Anti-corrosion geothermal electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216278541U true CN216278541U (en) | 2022-04-12 |
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ID=81043323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123032904.7U Active CN216278541U (en) | 2021-12-03 | 2021-12-03 | Anti-corrosion geothermal electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216278541U (en) |
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2021
- 2021-12-03 CN CN202123032904.7U patent/CN216278541U/en active Active
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