CN211071013U - Mechanical seal washing device for slurry pump of chemical reaction kettle - Google Patents
Mechanical seal washing device for slurry pump of chemical reaction kettle Download PDFInfo
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- CN211071013U CN211071013U CN201921273335.5U CN201921273335U CN211071013U CN 211071013 U CN211071013 U CN 211071013U CN 201921273335 U CN201921273335 U CN 201921273335U CN 211071013 U CN211071013 U CN 211071013U
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Abstract
The utility model provides a mechanical seal flushing device for a chemical reaction kettle slurry pump, which belongs to the technical field of flushing equipment for the chemical reaction kettle slurry pump, and comprises a flushing pipeline, a liquid storage tank, a main booster pump component, a liquid level control mechanism and a main booster pump electromagnetic valve, wherein the flushing pipeline is arranged on a machine seal component and is used for the flushing machine seal component, the liquid storage tank supplies liquid to the flushing pipeline, a first-stage main booster pipeline and a second-stage main booster pipeline are arranged in the main booster pump component and can generate different pressures for the flushing machine seal component, the liquid level control mechanism ensures the stability of the liquid level in the liquid storage tank, the main booster pump electromagnetic valve is controlled by a controller and can control the opening and closing of the main booster pump component, the automatic flushing of the machine seal component is realized through the control of the controller, the automation of process control is improved, the failure rate is reduced, the production cost is reduced, the production efficiency and the safety are improved.
Description
Technical Field
The utility model belongs to the technical field of chemical industry reation kettle thick liquid pump flushing arrangement, more specifically say, relate to a chemical industry reation kettle thick liquid pump mechanical seal washing unit.
Background
The slurry pump of the chemical reaction kettle is used for conveying materials in the reaction kettle and providing power for conveying corrosive slurry and slurry among various production process procedures. In the production process, the slurry which is mixed into the reaction kettle by the material mixing process contains 50% of sodium hydroxide and vanadium slag, the temperature of the slurry is as high as 120-130 ℃, the slurry has high concentration and high hardness, and the slurry is adhered to the surface of a mechanical seal of a slurry pump after being solidified, and in the process of frequently starting the slurry pump, the slurry can damage the mechanical seal, so that the sealing performance is invalid, and the slurry pump of the reaction kettle can be stopped to influence the production. White oil is used for the existing mechanical seal, but after the white oil is used for a period of time, impurities and the like enter the white oil to affect the mechanical seal. The problem that exists is that mechanical seal frequently damages in the in-service use, causes and can not normally produce, and frequent change mechanical seal can cause manufacturing cost to increase and cost of maintenance to increase, still can cause personnel's injury and have corrosive liquids to splash etc. simultaneously changing mechanical seal in-process. Therefore, aiming at the problems that the mechanical seal of the existing chemical reaction kettle slurry pump is frequently damaged and production is restricted, a device for washing the mechanical seal is needed to be researched, so that the mechanical seal is not adhered by slurry, the service environment is improved, and the factor causing frequent fault and damage of the mechanical seal is eliminated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chemical industry reation kettle thick liquid pump mechanical seal washing unit, aim at solving to reation kettle thick liquid pump mechanical seal often by the thick liquid adhesion, sealed inefficacy, the technical problem of frequent damage has can wash thick liquid pump mechanical seal, prevents that the thick liquid adhesion from reducing the mechanical seal spoilage on mechanical seal, reduces the sealing member replacement cost, satisfies the characteristics of production needs.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a chemical industry reation kettle thick liquid pump mechanical seal washing unit, includes:
the flushing pipeline is arranged on the mechanical sealing element of the slurry pump and is used for circulating flushing liquid and flushing the flushing liquid towards the mechanical sealing element of the slurry pump;
the liquid storage tank is used for storing flushing liquid, is provided with a transfusion pipeline, is communicated with the inlet end of the flushing pipeline and is used for providing the flushing liquid for a mechanical sealing element of the slurry pump;
the main booster pump assembly is used for pumping flushing fluid in the slurry pump and pumping the flushing fluid to the liquid storage tank, and comprises a primary main booster pipeline, a primary main booster pump and a flow regulating valve, wherein the primary main booster pump is arranged on the primary main booster pipeline; one end of the primary main pressurizing pipeline is communicated with the slurry pump, and the other end of the primary main pressurizing pipeline is communicated with the liquid storage tank; the main booster pump assembly further comprises a secondary main booster pipeline, a secondary main booster pump and a flow regulating valve, wherein the secondary main booster pump and the flow regulating valve are arranged on the secondary main booster pipeline; one end of the secondary main pressurizing pipeline is communicated with the slurry pump, and the other end of the secondary main pressurizing pipeline is communicated with the liquid storage tank;
the liquid level control mechanism is used for controlling the liquid level in the liquid storage tank and comprises a controller, a pneumatic interlocking valve and a liquid level meter, wherein the controller, the pneumatic interlocking valve and the liquid level meter are electrically connected with each other; the controller is used for receiving the signals of the liquid level meter and controlling the pneumatic interlocking valve to open and close; and
and the main booster pump electromagnetic valves are respectively arranged on the primary main booster pipeline and the secondary main booster pipeline, and the main booster pump electromagnetic valves are controlled by the controller.
Furthermore, the mechanical seal flushing device of the slurry pump of the chemical reaction kettle further comprises an auxiliary booster pump assembly, and the auxiliary booster pump assembly is used for pumping flushing fluid in the slurry pump and pumping the flushing fluid into the liquid storage tank;
the auxiliary booster pump assembly comprises a primary auxiliary booster pipeline, a primary auxiliary booster pump and a flow regulating valve, wherein the primary auxiliary booster pump and the flow regulating valve are arranged on the primary auxiliary booster pipeline; one end of the primary auxiliary pressurizing pipeline is communicated with the slurry pump, and the other end of the primary auxiliary pressurizing pipeline is communicated with the liquid storage tank; the auxiliary booster pump assembly also comprises a secondary auxiliary booster pipeline, a secondary auxiliary booster pump and a flow regulating valve, wherein the secondary auxiliary booster pump and the flow regulating valve are arranged on the secondary auxiliary booster pipeline; one end of the secondary auxiliary pressurizing pipeline is communicated with the slurry pump, and the other end of the secondary auxiliary pressurizing pipeline is communicated with the liquid storage tank;
and the auxiliary booster pump electromagnetic valve is arranged on the first-stage auxiliary booster pipeline and the second-stage auxiliary booster pipeline, and the auxiliary booster pump electromagnetic valve is controlled by the controller.
Furthermore, a flow indicator, a pressure gauge and a check valve are arranged on the primary main pressurizing pipeline and the secondary main pressurizing pipeline.
Furthermore, a flow indicator, a pressure gauge and a check valve are arranged on the first-stage auxiliary pressurizing pipeline and the second-stage auxiliary pressurizing pipeline.
Further, the primary main booster pump and the secondary main booster pump are respectively provided with two pressure channels, the pressure channels of the primary main booster pump are respectively communicated with the primary main booster pipeline, and the pressure channels of the secondary main booster pump are respectively communicated with the secondary main booster pipeline and are respectively used for generating two different pump pressures.
Further, the booster pump is assisted to the one-level with all be equipped with two pressure channel on the booster pump is assisted to the second grade, two on the booster pump is assisted to the one-level pressure channel communicates respectively the pressure boost pipeline is assisted to the one-level, two on the booster pump is assisted to the second grade pressure channel communicates respectively the pressure boost pipeline is assisted to the second grade to be used for producing two different pump pressures respectively.
Further, the pressure of the two pressure channels of the primary main booster pump is respectively 0.8MPa and 0.5MPa, and the pressure of the two pressure channels of the secondary main booster pump is respectively 1.0MPa and 1.3 MPa.
Further, the pressure of the two pressure channels of the primary auxiliary booster pump is respectively 0.8MPa and 0.5MPa, and the pressure of the two pressure channels of the secondary auxiliary booster pump is respectively 1.0MPa and 1.3 MPa.
Further, the output end of the controller is electrically connected with a display screen, and the display screen is used for receiving and displaying the signal of the controller.
Further, a liquid discharge valve is arranged at the bottom of the liquid storage tank.
The utility model provides a chemical industry reation kettle thick liquid pump mechanical seal washing unit's beneficial effect lies in: compared with the prior art, the utility model discloses chemical industry reation kettle slurry pump mechanical seal washing unit, the export of flushing line is washed towards slurry pump mechanical seal spare, contain the flush fluid in the liquid storage pot and continuously supply liquid to the flushing line, the flush fluid after washing is extracted to main booster pump subassembly, and the circulation is carried to the liquid storage pot in, the pump pressure difference of one-level main booster pump and second grade main booster pump, guarantee to adopt different pressure to wash to the mechanical seal spare, liquid level control mechanism can control the liquid level value in the liquid storage pot and be within the settlement scope, the controller can also control the start-stop of main booster pump solenoid valve, the automatic washing to the mechanical seal spare has been realized, solve the technical problem to reation kettle slurry pump mechanical seal often by the thick liquid adhesion, sealing failure, frequent damage, improved process control automation, reduce the fault rate, reduce manufacturing cost, reduce maintenance personal intensity of labour, the production efficiency and the safety are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the embodiment of the utility model provides a chemical industry reation kettle slurry pump mechanical seal washing unit's schematic structure diagram.
In the figure: 1. flushing the pipeline; 2. a liquid storage tank; 21. a drain valve; 3. a main booster pump assembly; 31. a primary main booster line; 32. a primary main booster pump; 33. a flow regulating valve; 34. a secondary main pressurization pipeline; 35. a secondary main booster pump; 36. a flow indicator; 37. a pressure gauge; 38. a check valve; 39. a pressure channel; 4. a liquid level control mechanism; 41. a controller; 42. a pneumatic interlock valve; 43. a liquid level meter; 5. a main booster pump electromagnetic valve; 6. an auxiliary booster pump assembly; 61. a primary auxiliary pressurization pipeline; 62. a first-stage auxiliary booster pump; 63. a secondary auxiliary pressurization pipeline; 64. a secondary auxiliary booster pump; 7. an auxiliary booster pump electromagnetic valve; 8. a display screen; 9. and (6) a slurry pump.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a mechanical seal washing device for a slurry pump of a chemical reaction kettle according to the present invention will now be described. Chemical industry reation kettle thick liquid pump mechanical seal washing unit is including washing pipeline 1, liquid storage pot 2, main booster pump subassembly 3, liquid level control mechanism 4 and main booster pump solenoid valve 5.
The flushing line 1 is arranged on the mechanical seal of the slurry pump 9 for the flushing liquid to circulate and flush towards the mechanical seal of the slurry pump 9.
The liquid storage tank 2 is used for storing flushing liquid, is provided with a transfusion pipeline, is communicated with the inlet end of the flushing pipeline 1, and is used for providing the flushing liquid for a mechanical sealing piece of the slurry pump 9.
The main booster pump assembly 3 is used for pumping flushing liquid in the slurry pump 9 and pumping the flushing liquid to the liquid storage tank 2, and the main booster pump assembly 3 comprises a primary main booster pipeline 31, a primary main booster pump 32 arranged on the primary main booster pipeline 31 and a flow regulating valve 33; one end of the primary main pressurizing pipeline 31 is communicated with the slurry pump 9, and the other end is communicated with the liquid storage tank 2; the main booster pump assembly 3 further comprises a secondary main booster pipeline 34, a secondary main booster pump 35 arranged on the secondary main booster pipeline 34 and a flow regulating valve 33; one end of the secondary main pressurizing pipeline 34 is communicated with the slurry pump 9, and the other end is communicated with the liquid storage tank 2.
The liquid level control mechanism 4 is used for controlling the liquid level in the liquid storage tank 2 and comprises a controller 41, a pneumatic interlocking valve 42 and a liquid level meter 43, wherein the controller 41, the pneumatic interlocking valve 42 and the liquid level meter are electrically connected with each other; the controller 41 is used for receiving the signal of the liquid level meter 43 and controlling the opening and closing of the pneumatic interlocking valve 42.
The main booster pump electromagnetic valves 5 are respectively arranged on the primary main booster pipeline 31 and the secondary main booster pipeline 34, and the main booster pump electromagnetic valves 5 are controlled by a controller 41.
The utility model provides a chemical industry reation kettle slurry pump mechanical seal washing unit, compared with the prior art, the export of flushing line 1 washes towards the slurry pump 9 mechanical seal spare, the splendid attire has the flush fluid in the liquid storage pot 2 and continues to supply liquid to flushing line 1, main booster pump subassembly 3 extracts the flush fluid after washing, and the circulation is carried to the liquid storage pot 2 in, the pump pressure difference of one-level main booster pump 32 and second grade main booster pump 35, the guarantee adopts different pressure to the machine seal to wash, level control mechanism 4 can control the liquid level value in the liquid storage pot 2 and in setting for the scope, the controller 41 can also control the opening and closing of main booster pump solenoid valve 5, the automatic washing to the machine seal has been realized, solved and often by the thick liquid adhesion to reation kettle slurry pump 9 mechanical seal, sealing failure, the technical problem of frequent damage, the process control automation has been improved, the fault rate is reduced, the production cost is reduced, the labor intensity of maintenance personnel is reduced, and the production efficiency and the safety are improved.
In a particular embodiment, the flushing line 1 is coiled in the slurry pump 9, the outlet of the flushing line 1 is directed towards the mechanical seal to be flushed, there is flowing flushing liquid in the flushing line 1, the flushing liquid is under flowing pressure, the pressure of the flushing liquid is used for flushing the mechanical seal, wherein the flushing liquid in the reservoir 2 is clean water, and the flow of water is under pressure. The pressure of the flushing liquid in the primary main pressurizing pipeline 31 and the pressure of the flushing liquid in the secondary main pressurizing pipeline 34 are different, the flushing liquid is respectively provided by the primary main pressurizing pump 32 and the secondary main pressurizing pump 35, and the flushing pressure of different machine seals is different, so that different flushing pressures are set. The controller 41 can control the liquid level of the flushing liquid in the liquid storage tank 2, and ensure that the flushing liquid is stably supplied within a set range; the controller 41 can also control the opening or closing of the electromagnetic valve 5 of the main booster pump, when the machine seal needs to be flushed, the electromagnetic valve 5 of the main booster pump is controlled to be opened, and when the machine seal does not need to be flushed, the electromagnetic valve 5 of the main booster pump is controlled to be closed, so that the operation is more convenient. The arrangement mode of the flushing pipeline 1 is how to flush the machine sealing piece, belongs to the prior art, and is not described again.
In one embodiment, the controller 41 is a P L C controller, the P L C controller is a programmable controller 41, a threshold value for the level of the liquid storage tank 2 can be preset on the controller 41, and the level can be always stabilized within the range, and the liquid level meter 43 is an electromagnetic type liquid level meter, which can read the liquid level signal and transmit the liquid level signal to the controller 41 to control the opening and closing of the pneumatic interlock valve 42.
In one embodiment, the main booster pump solenoid valves 5 on the primary main booster line 31 and the secondary main booster line 34 are combined to use one.
As the utility model provides a chemical industry reation kettle slurry pump mechanical seal washing unit's a specific implementation way please refer to figure 1, and chemical industry reation kettle slurry pump mechanical seal washing unit is still including assisting booster pump subassembly 6 and assisting booster pump solenoid valve 7, assists the flush fluid that booster pump subassembly 6 is arranged in extracting slurry pump 9 and with the flush fluid pump sending extremely in the liquid storage pot 2. The main booster pump assembly 3 and the auxiliary booster pump assembly 6 are arranged in parallel and can be switched and adjusted by the controller 41. The auxiliary booster pump assembly 6 is used as a spare device of the main booster pump assembly 3, and can be switched to the auxiliary booster pump assembly 6 through the controller 41 to work when the main booster pump assembly 3 is damaged or has equipment failure, wherein the working principle, the structure and the action of the auxiliary booster pump assembly 6 and the main booster pump assembly 3 are the same.
The auxiliary booster pump assembly 6 comprises a primary auxiliary booster pipeline 61, a primary auxiliary booster pump 62 arranged on the primary auxiliary booster pipeline 61 and a flow regulating valve 33; one end of the primary auxiliary pressurizing pipeline 61 is communicated with the slurry pump 9, and the other end is communicated with the liquid storage tank 2; the auxiliary booster pump assembly 6 further comprises a secondary auxiliary booster pipeline 63, a secondary auxiliary booster pump 64 arranged on the secondary auxiliary booster pipeline 63 and a flow regulating valve 33; one end of the secondary auxiliary pressurizing pipeline 63 is communicated with the slurry pump 9, and the other end is communicated with the liquid storage tank 2. The flow control valve 33 can control the flow rate of the flushing liquid flowing in the primary auxiliary pressurizing pipeline 61 to be consistent with the structure and action of the flow control valve 33 on the primary main pressurizing pipeline 31. The primary main pressurizing pipeline 31 and the primary auxiliary pressurizing pipeline 61 are used for outputting flushing liquid.
The auxiliary booster pump electromagnetic valve 7 is arranged on the first-stage auxiliary booster pipeline 61 and the second-stage auxiliary booster pipeline 63, and the auxiliary booster pump electromagnetic valve 7 is controlled by the controller 41. The auxiliary booster pump electromagnetic valve 7 controls the operation of the auxiliary booster pump assembly 6, the main booster pump electromagnetic valve 5 controls the operation of the main booster pump assembly 3, and the controller 41 can be used in a switching control mode.
In one embodiment, the auxiliary booster pump solenoid valves 7 on the primary auxiliary booster pipeline 61 and the secondary auxiliary booster pipeline 63 are combined to use one.
As a specific implementation manner of the mechanical seal flushing device of the slurry pump of the chemical reaction kettle, please refer to fig. 1, the flow indicator 36, the pressure gauge 37 and the check valve 38 are all arranged on the primary main pressurizing pipeline 31 and the secondary main pressurizing pipeline 34. The flow indicator 36 can detect whether the flushing liquid in the primary main pressurizing pipeline 31 and the secondary main pressurizing pipeline 34 flows, the pressure gauge 37 can detect whether the pressure and the pressure of the flushing liquid in the primary main pressurizing pipeline 31 and the secondary main pressurizing pipeline 34 exist, and the check valve 38 only allows the flushing liquid to flow towards one direction to prevent the flushing liquid from flowing backwards.
As a specific implementation manner of the mechanical seal flushing device of the slurry pump of the chemical reaction kettle, please refer to fig. 1, the one-level auxiliary pressurizing pipeline 61 and the two-level auxiliary pressurizing pipeline 63 are all provided with the flow indicator 36, the pressure gauge 37 and the check valve 38. The flow indicator 36 can detect whether the flushing liquid in the one-stage auxiliary pressurizing pipeline 61 and the two-stage auxiliary pressurizing pipeline 63 flows, the pressure gauge 37 can detect whether the flushing liquid in the one-stage auxiliary pressurizing pipeline 61 and the two-stage auxiliary pressurizing pipeline 63 has pressure and pressure, and the check valve 38 only allows the flushing liquid to flow to one direction to prevent the flushing liquid from flowing back.
As a specific implementation manner of the chemical industry reation kettle slurry pump mechanical seal washing unit, please refer to fig. 1, all be equipped with two pressure channel 39 on one-level main booster pump 32 and the second grade main booster pump 35, two on the one-level main booster pump 32 pressure channel 39 communicates respectively the one-level main pressure boost pipeline 31, two on the second grade main booster pump 35 pressure channel 39 communicates respectively the second grade main pressure boost pipeline 34 to be used for producing two different pump pressures respectively. The pressure of the flushing liquid flowing in the two pressure channels 39 is different, the pressure grading supply of the primary main booster pump 32 and the secondary main booster pump 35 is realized, the situation that the flushing is carried out by using the same pressure is avoided, different pressures are flushed, the obtained flushing effect is different, whether the primary main booster pump 32 or the secondary main booster pump 35 is used is determined according to the factors such as the service time of the mechanical seal to be flushed, and the automatic control flushing of the mechanical seal is realized.
As a specific implementation manner of the chemical industry reation kettle slurry pump mechanical seal washing unit, please refer to fig. 1, booster pump 62 is assisted to the one-level with all be equipped with two pressure channel 39 on the booster pump 64 is assisted to the second grade, two on the booster pump 62 are assisted to the one-level pressure channel 39 communicates respectively booster pipeline 61 is assisted to the one-level, two on the booster pump 64 is assisted to the second grade pressure channel 39 communicates respectively booster pipeline 63 is assisted to the second grade to be used for producing two different pump pressures respectively. The pressure of the flushing liquid flowing in the two pressure channels 39 is different, the pressure grading supply of the first-stage auxiliary booster pump 62 and the second-stage auxiliary booster pump 64 is realized, the situation that the same pressure is used for flushing is avoided, different pressures are used for flushing, the obtained flushing effect is different, the decision that the first-stage auxiliary booster pump 62 or the second-stage auxiliary booster pump 64 is used is made according to factors such as the service time of the mechanical seal to be flushed, and the automatic control flushing of the mechanical seal is realized.
As a specific implementation manner of the mechanical seal flushing device of the slurry pump of the chemical reaction kettle provided by the present invention, please refer to fig. 1, the pressure of the pressure channel 39 of the primary main booster pump 32 is 0.8MPa and 0.5MPa respectively, and the pressure of the two pressure channels 39 of the secondary main booster pump 35 is 1.0MPa and 1.3MPa respectively.
As a specific implementation manner of the mechanical seal flushing device of the slurry pump of the chemical reaction kettle, please refer to fig. 1, the pressure of two pressure channels 39 of the one-stage auxiliary booster pump 62 is 0.8MPa and 0.5MPa respectively, and the pressure of two pressure channels 39 of the two-stage auxiliary booster pump 64 is 1.0MPa and 1.3MPa respectively.
As a specific implementation manner of the mechanical seal flushing device of the slurry pump of the chemical reaction kettle provided by the present invention, please refer to fig. 1, an output end electric connection of the controller 41 has a display screen 8, and the display screen 8 is used for receiving and displaying the signal of the controller 41. The display screen 8 is a display, and can display the action process of the controller 41 in controlling the electromagnetic valve 5 of the main booster pump or controlling the electromagnetic valve 7 of the auxiliary booster pump, and also can display the control process of the pneumatic interlocking valve 42, so that the observation is more intuitive.
As a specific implementation manner of the mechanical seal flushing device of the slurry pump of the chemical reaction kettle, please refer to fig. 1, the bottom of the liquid storage tank 2 is provided with a liquid discharge valve 21, the liquid discharge valve 21 can discharge the waste liquid in the liquid storage tank 2, and after the liquid storage tank 2 is used for a period of time, the waste liquid in the liquid storage tank 2 can be discharged through the liquid discharge valve 21.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Chemical industry reation kettle thick liquid pump mechanical seal washing unit, its characterized in that includes:
the flushing pipeline is arranged on the mechanical sealing element of the slurry pump and is used for circulating flushing liquid and flushing the flushing liquid towards the mechanical sealing element of the slurry pump;
the liquid storage tank is used for storing flushing liquid, is provided with a transfusion pipeline, is communicated with the inlet end of the flushing pipeline and is used for providing the flushing liquid for a mechanical sealing element of the slurry pump;
the main booster pump assembly is used for pumping flushing fluid in the slurry pump and pumping the flushing fluid to the liquid storage tank, and comprises a primary main booster pipeline, a primary main booster pump and a flow regulating valve, wherein the primary main booster pump is arranged on the primary main booster pipeline; one end of the primary main pressurizing pipeline is communicated with the slurry pump, and the other end of the primary main pressurizing pipeline is communicated with the liquid storage tank; the main booster pump assembly further comprises a secondary main booster pipeline, a secondary main booster pump and a flow regulating valve, wherein the secondary main booster pump and the flow regulating valve are arranged on the secondary main booster pipeline; one end of the secondary main pressurizing pipeline is communicated with the slurry pump, and the other end of the secondary main pressurizing pipeline is communicated with the liquid storage tank;
the liquid level control mechanism is used for controlling the liquid level in the liquid storage tank and comprises a controller, a pneumatic interlocking valve and a liquid level meter, wherein the controller, the pneumatic interlocking valve and the liquid level meter are electrically connected with each other; the controller is used for receiving the signals of the liquid level meter and controlling the pneumatic interlocking valve to open and close; and
and the main booster pump electromagnetic valves are respectively arranged on the primary main booster pipeline and the secondary main booster pipeline, and the main booster pump electromagnetic valves are controlled by the controller.
2. The chemical industry reactor slurry pump mechanical seal flushing device of claim 1, wherein the chemical industry reactor slurry pump mechanical seal flushing device further comprises an auxiliary booster pump assembly for pumping flushing fluid from the slurry pump and pumping the flushing fluid into the liquid storage tank;
the auxiliary booster pump assembly comprises a primary auxiliary booster pipeline, a primary auxiliary booster pump and a flow regulating valve, wherein the primary auxiliary booster pump and the flow regulating valve are arranged on the primary auxiliary booster pipeline; one end of the primary auxiliary pressurizing pipeline is communicated with the slurry pump, and the other end of the primary auxiliary pressurizing pipeline is communicated with the liquid storage tank; the auxiliary booster pump assembly also comprises a secondary auxiliary booster pipeline, a secondary auxiliary booster pump and a flow regulating valve, wherein the secondary auxiliary booster pump and the flow regulating valve are arranged on the secondary auxiliary booster pipeline; one end of the secondary auxiliary pressurizing pipeline is communicated with the slurry pump, and the other end of the secondary auxiliary pressurizing pipeline is communicated with the liquid storage tank;
and the auxiliary booster pump electromagnetic valve is arranged on the first-stage auxiliary booster pipeline and the second-stage auxiliary booster pipeline, and the auxiliary booster pump electromagnetic valve is controlled by the controller.
3. The mechanical seal washing device for the slurry pump of the chemical reaction kettle according to claim 1, wherein a flow indicator, a pressure gauge and a check valve are arranged on the primary main pressurizing pipeline and the secondary main pressurizing pipeline.
4. The mechanical seal washing device for the slurry pump of the chemical reaction kettle according to claim 2, wherein a flow indicator, a pressure gauge and a check valve are arranged on the primary auxiliary pressure pipeline and the secondary auxiliary pressure pipeline.
5. The mechanical seal flushing device for the slurry pump of the chemical reaction kettle according to claim 1, wherein two pressure channels are respectively arranged on the primary main booster pump and the secondary main booster pump, the two pressure channels on the primary main booster pump are respectively communicated with the primary main booster pipeline, and the two pressure channels on the secondary main booster pump are respectively communicated with the secondary main booster pipeline and are respectively used for generating two different pump pressures.
6. The mechanical seal flushing device for the slurry pump of the chemical reactor as claimed in claim 2, wherein two pressure channels are provided on the first-stage auxiliary booster pump and the second-stage auxiliary booster pump, the two pressure channels on the first-stage auxiliary booster pump are respectively communicated with the first-stage auxiliary booster pipeline, and the two pressure channels on the second-stage auxiliary booster pump are respectively communicated with the second-stage auxiliary booster pipeline and are respectively used for generating two different pump pressures.
7. The mechanical seal flushing device of the chemical reaction kettle slurry pump according to claim 5, wherein the pressures of the two pressure channels of the primary main booster pump are respectively 0.8MPa and 0.5MPa, and the pressures of the two pressure channels of the secondary main booster pump are respectively 1.0MPa and 1.3 MPa.
8. The mechanical seal flushing device for the slurry pump of the chemical reaction kettle according to claim 6, wherein the pressures of the two pressure channels of the primary auxiliary booster pump are respectively 0.8MPa and 0.5MPa, and the pressures of the two pressure channels of the secondary auxiliary booster pump are respectively 1.0MPa and 1.3 MPa.
9. The mechanical seal washing device for the slurry pump of the chemical reaction kettle according to claim 1, wherein an output end of the controller is electrically connected with a display screen, and the display screen is used for receiving and displaying signals of the controller.
10. The mechanical seal flushing device for the slurry pump of the chemical reaction kettle according to claim 1, wherein a drain valve is arranged at the bottom of the liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273335.5U CN211071013U (en) | 2019-08-07 | 2019-08-07 | Mechanical seal washing device for slurry pump of chemical reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273335.5U CN211071013U (en) | 2019-08-07 | 2019-08-07 | Mechanical seal washing device for slurry pump of chemical reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211071013U true CN211071013U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921273335.5U Expired - Fee Related CN211071013U (en) | 2019-08-07 | 2019-08-07 | Mechanical seal washing device for slurry pump of chemical reaction kettle |
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| CN (1) | CN211071013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479672A (en) * | 2019-08-07 | 2019-11-22 | 河钢股份有限公司承德分公司 | Chemical reaction kettle slurries pump mechanical sealing flusher |
-
2019
- 2019-08-07 CN CN201921273335.5U patent/CN211071013U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479672A (en) * | 2019-08-07 | 2019-11-22 | 河钢股份有限公司承德分公司 | Chemical reaction kettle slurries pump mechanical sealing flusher |
| CN110479672B (en) * | 2019-08-07 | 2024-04-26 | 河钢股份有限公司承德分公司 | Mechanical seal flushing device for slurry pump of chemical reaction kettle |
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Granted publication date: 20200724 |