CN205037665U - High temperature is cooling water automatic control auto -change over device for hot oil pump - Google Patents
High temperature is cooling water automatic control auto -change over device for hot oil pump Download PDFInfo
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- CN205037665U CN205037665U CN201520783873.4U CN201520783873U CN205037665U CN 205037665 U CN205037665 U CN 205037665U CN 201520783873 U CN201520783873 U CN 201520783873U CN 205037665 U CN205037665 U CN 205037665U
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- magnetic valve
- valve
- oil pump
- hot oil
- water
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Abstract
The utility model discloses a high temperature is cooling water automatic control auto -change over device for hot oil pump, including the demineralized water trunk line, demineralization water pitcher inlet pipe, circulation cold water comes the water pipeling, circulation cold water return water pipe, manual valve, the solenoid valve, electric contact pressure gauge, hot oil pump and controller, the demineralized water trunk line passes through the cooling water input pipe connection of the manual valve of third and first solenoid valve and high temperature hot oil pump, demineralization water pitcher inlet pipe passes through the cooling water output pipe connection of the manual valve of fourth and second solenoid valve and high temperature hot oil pump, it has the third solenoid valve to connect in parallel in first manual valve both ends, it has the fourth solenoid valve to connect in parallel in the manual valve both ends of second, be equipped with electric contact pressure gauge on the manual valve right side pipeline of third, electric contact pressure gauge and solenoid valve are connected with the controller electricity respectively, are connected with the power supply terminal on the controller. The utility model relates to a rationally, simple structure, control be reliable, the practicality is strong. Mechanical seal long service life, favorable heat exchange effect. The demineralized water can recycle.
Description
Technical field
The utility model relates to a kind of control device, is specifically related to a kind of high-temperature hot oil pump cooling water automatic control switching device shifter.
Background technology
Refined diesel oil pump and the Fractionator Bottom reboiler furnace pump of Diesel Oil Hydrofining Unit are hot oil pump, hot oil pump itself carries from rinsing cooling system, from flushing cooling system be also utilize recirculated water to do cooling medium, after using a period of time, serious from the cooling coil surface scale rinsing cooler inside, cooling effect is deteriorated, and cannot cool down from rinsing oil temperature, unfavorable to pump run again conversely.In addition, mechanical seal is changed once for approximately every 3 months, due to mechanical seal because fouling is changed frequent, during each replacing, all must by the deep fat emptying in the pump housing, until the temperature Temperature fall of pump to normal temperature, can change, consuming time so long, bring potential safety hazard to production; In addition, other supporting parts and waste oil discharge must be changed during each replacing, increase the operating cost of device, add the operation risk of device simultaneously.
Summary of the invention
The purpose of this utility model is exactly the defect existed for prior art, provides a kind of high-temperature hot oil pump cooling water automatic control switching device shifter.
Its technical scheme is: high-temperature hot oil pump cooling water automatic control switching device shifter, comprise demineralized water main pipeline, desalination water pot inlet duct, circulating water carrys out waterpipe, circulating water water return pipeline, hand-operated valve, magnetic valve, electro connecting pressure gauge, hot oil pump and controller, circulating water is carried out waterpipe and is connected with the cooling water input pipeline of high-temperature hot oil pump by the first hand-operated valve, the cooling water output of high-temperature hot oil pump connects circulating water water return pipeline by the second manual valve pipeline, described demineralized water main pipeline is connected with the cooling water input pipeline of high-temperature hot oil pump by the 3rd hand-operated valve and the first magnetic valve, described desalination water pot inlet duct is connected with the cooling water pipeline at output of high-temperature hot oil pump by the 4th hand-operated valve and the second magnetic valve, described first hand-operated valve two ends are parallel with the 3rd magnetic valve, second hand-operated valve two ends are parallel with the 4th magnetic valve, on the right side of described 3rd hand-operated valve, pipeline is provided with electro connecting pressure gauge, described electro connecting pressure gauge, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are electrically connected with controller respectively, and controller is connected with power supply terminal.
Wherein, described controller is an auxiliary reclay, one end of described power supply terminal is connected with the moved end of one end of electro connecting pressure gauge and auxiliary reclay contact, the other end of electro connecting pressure gauge is connected with a power end of auxiliary reclay, the normal-closed end of auxiliary reclay contact is connected with one end of one end of the first magnetic valve and the second magnetic valve, the Chang Kaiduan of auxiliary reclay contact is connected with one end of one end of the 3rd magnetic valve and the 4th magnetic valve, the other end of described power supply terminal and another power end of auxiliary reclay, the other end of the first magnetic valve, the other end of the second magnetic valve, the other end and the 4th magnetic valve other end of the 3rd magnetic valve are connected.Described first hand-operated valve, the second hand-operated valve, the 3rd hand-operated valve and the 4th hand-operated valve are Non-follow control butterfly valve.
The utility model compared with prior art, has the following advantages: reasonable in design, structure is simple, it is reliable, practical to control.In operation, the fouling condition of mechanical seal obviously alleviates, and the service life of mechanical seal obviously extends; Heat transfer effect is better, is conducive to from rinse-system cooling, favourable to the safe operation of pump; Recycling of demineralized water, avoids demineralized water and enters circulation as recirculated water and slattern, remain its use value.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the circuit diagram of a kind of embodiment of the utility model.
Detailed description of the invention
With reference to Fig. 1-Fig. 2, a kind of high-temperature hot oil pump cooling water automatic control switching device shifter, comprise demineralized water main pipeline 1, desalination water pot inlet duct 2, circulating water carrys out waterpipe 3, circulating water water return pipeline 4, hand-operated valve 5-8, magnetic valve 9-12, electro connecting pressure gauge 13, hot oil pump 14 and controller 15, circulating water is carried out waterpipe 3 and is connected with the cooling water input pipeline of high-temperature hot oil pump 14 by the first hand-operated valve 5, the cooling water output of high-temperature hot oil pump 14 connects circulating water water return pipeline 4 by the second hand-operated valve 6 pipeline, described demineralized water main pipeline 1 is connected with the cooling water input pipeline of high-temperature hot oil pump 14 by the 3rd hand-operated valve 7 and the first magnetic valve 9, described desalination water pot inlet duct 2 is connected with the cooling water pipeline at output of high-temperature hot oil pump 14 by the 4th hand-operated valve 8 and the second magnetic valve 10, described first hand-operated valve 5 two ends are parallel with the 3rd magnetic valve 11, second hand-operated valve 6 two ends are parallel with the 4th magnetic valve 12, on the right side of described 3rd hand-operated valve 7, pipeline is provided with electro connecting pressure gauge 13, described electro connecting pressure gauge 13, first magnetic valve 9, second magnetic valve 10, the 3rd magnetic valve 11 and the 4th magnetic valve 12 are electrically connected with controller 15 respectively, controller 15 are connected with power supply terminal 16.Described controller 15 is an auxiliary reclay J, one end of described power supply terminal 16 is connected with the moved end of one end of electro connecting pressure gauge 13 and auxiliary reclay contact J1, the other end of electro connecting pressure gauge 13 is connected with a power end of auxiliary reclay J, the normal-closed end of auxiliary reclay contact J1 is connected with one end of one end of the first magnetic valve 9 and the second magnetic valve 10, the Chang Kaiduan of auxiliary reclay contact J1 is connected with one end of one end of the 3rd magnetic valve 11 and the 4th magnetic valve 12, the other end of described power supply terminal 16 and another power end of auxiliary reclay J, the other end of the first magnetic valve 9, the other end of the second magnetic valve 10, the other end and the 4th magnetic valve 12 other end of the 3rd magnetic valve 11 are connected.Described first hand-operated valve 5, second hand-operated valve 6, the 3rd hand-operated valve 7 and the 4th hand-operated valve 8 are Non-follow control butterfly valve.
During operation, close the first hand-operated valve 5 and the second hand-operated valve 6, open the 3rd hand-operated valve 7 and the 4th hand-operated valve 8, and according to actual conditions adjustment aperture, meet normal demand when pump runs.When pump runs, the electro connecting pressure gauge 13 on the right side of the 3rd hand-operated valve 7 on pipeline indicates the pressure of demineralized water main pipeline 1, and electro connecting pressure gauge 13 is when pressure is higher than 0.1Mpa, and its contact disconnects.At this moment, auxiliary reclay J does not work, and J1 is static in auxiliary reclay contact, and the first magnetic valve 9 and the second magnetic valve 10 work conducting, and the 3rd magnetic valve 11 and the 4th magnetic valve 12 are closed.From the medium of demineralized water main pipeline 1 as the cooling water of high-temperature hot oil pump 14, it enters the cooling water input of high-temperature hot oil pump 14 by the 3rd hand-operated valve 7, first magnetic valve 9, the recirculated water flowed out by the cooling water output of high-temperature hot oil pump 14 flows into desalination water pot inlet duct 2 by the second magnetic valve 10, the 4th hand-operated valve 8, as the water filling of reaction system, recycle, retain its due value.When demineralized water interrupts for a certain reason, electro connecting pressure gauge 13 loses pressure instruction, its contacting, auxiliary reclay J works, auxiliary reclay contact J1 overturns, and the first magnetic valve 9 and the second magnetic valve 10 are closed, and the 3rd magnetic valve 11 and the 4th magnetic valve 12 work conducting.Now, the recirculated water that circulating water carrys out waterpipe 3 enters the cooling water input of high-temperature hot oil pump 14 by the 3rd magnetic valve 11, the recirculated water flowed out by the cooling water output of high-temperature hot oil pump 14 flows back to circulating water water return pipeline 4, as circulating cooling for subsequent use by the 4th magnetic valve 12.
The utility model is reasonable in design, structure is simple, control is reliable, practical.In operation, the fouling condition of mechanical seal obviously alleviates, and the service life of mechanical seal obviously extends; Heat transfer effect is better, is conducive to from rinse-system cooling, favourable to the safe operation of pump; Recycling of demineralized water, avoids demineralized water and enters circulation as recirculated water and slattern, remain its use value.
Claims (3)
1. high-temperature hot oil pump cooling water automatic control switching device shifter, comprise demineralized water main pipeline, desalination water pot inlet duct, circulating water carrys out waterpipe, circulating water water return pipeline, hand-operated valve, magnetic valve, electro connecting pressure gauge, hot oil pump and controller, circulating water is carried out waterpipe and is connected with the cooling water input pipeline of high-temperature hot oil pump by the first hand-operated valve, the cooling water output of high-temperature hot oil pump connects circulating water water return pipeline by the second manual valve pipeline, it is characterized in that: described demineralized water main pipeline is connected with the cooling water input pipeline of high-temperature hot oil pump by the 3rd hand-operated valve and the first magnetic valve, described desalination water pot inlet duct is connected with the cooling water pipeline at output of high-temperature hot oil pump by the 4th hand-operated valve and the second magnetic valve, described first hand-operated valve two ends are parallel with the 3rd magnetic valve, second hand-operated valve two ends are parallel with the 4th magnetic valve, on the right side of described 3rd hand-operated valve, pipeline is provided with electro connecting pressure gauge, described electro connecting pressure gauge, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are electrically connected with controller respectively, and controller is connected with power supply terminal.
2. high-temperature hot oil pump cooling water automatic control switching device shifter according to claim 1, it is characterized in that: described controller is an auxiliary reclay, one end of described power supply terminal is connected with the moved end of one end of electro connecting pressure gauge and auxiliary reclay contact, the other end of electro connecting pressure gauge is connected with a power end of auxiliary reclay, the normal-closed end of auxiliary reclay contact is connected with one end of one end of the first magnetic valve and the second magnetic valve, the Chang Kaiduan of auxiliary reclay contact is connected with one end of one end of the 3rd magnetic valve and the 4th magnetic valve, the other end of described power supply terminal and another power end of auxiliary reclay, the other end of the first magnetic valve, the other end of the second magnetic valve, the other end and the 4th magnetic valve other end of the 3rd magnetic valve are connected.
3. high-temperature hot oil pump cooling water automatic control switching device shifter according to claim 1, is characterized in that: described first hand-operated valve, the second hand-operated valve, the 3rd hand-operated valve and the 4th hand-operated valve are Non-follow control butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783873.4U CN205037665U (en) | 2015-10-12 | 2015-10-12 | High temperature is cooling water automatic control auto -change over device for hot oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783873.4U CN205037665U (en) | 2015-10-12 | 2015-10-12 | High temperature is cooling water automatic control auto -change over device for hot oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205037665U true CN205037665U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520783873.4U Expired - Fee Related CN205037665U (en) | 2015-10-12 | 2015-10-12 | High temperature is cooling water automatic control auto -change over device for hot oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205037665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397293A (en) * | 2019-06-19 | 2019-11-01 | 中交天津港湾工程研究院有限公司 | A kind of mass concrete cooling water flows to automatic transfer equipment and its working method |
-
2015
- 2015-10-12 CN CN201520783873.4U patent/CN205037665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397293A (en) * | 2019-06-19 | 2019-11-01 | 中交天津港湾工程研究院有限公司 | A kind of mass concrete cooling water flows to automatic transfer equipment and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20181012 |