CN116688868A - Continuous feeding reaction system with double centrifugal pumps - Google Patents
Continuous feeding reaction system with double centrifugal pumps Download PDFInfo
- Publication number
- CN116688868A CN116688868A CN202310992455.5A CN202310992455A CN116688868A CN 116688868 A CN116688868 A CN 116688868A CN 202310992455 A CN202310992455 A CN 202310992455A CN 116688868 A CN116688868 A CN 116688868A
- Authority
- CN
- China
- Prior art keywords
- centrifugal pump
- connecting pipe
- pump
- centrifugal
- reaction system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims description 28
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 15
- 238000007599 discharging Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
Abstract
The application relates to the technical field of chemical devices, and provides a continuous feeding reaction system with double centrifugal pumps, which comprises a reaction kettle and a liquid storage tank, wherein a first centrifugal pump and a second centrifugal pump are respectively connected between the reaction kettle and the liquid storage tank, a first pressure sensor and a second pressure sensor are respectively arranged between the liquid storage tank and the first centrifugal pump and between the liquid storage tank and the second centrifugal pump, a first temperature sensor and a second temperature sensor are respectively arranged on the first centrifugal pump and the second centrifugal pump, fault information of the first centrifugal pump can be detected through the first pressure sensor or the first temperature sensor, the fault information is transmitted to a control unit, the control unit controls the first centrifugal pump to stop working, and simultaneously starts the second centrifugal pump to work, so that the stop of the feeding pump can not be caused, the normal working of the reaction kettle is ensured, and the risk of serious safety accidents caused by out-of-control reaction in the reaction kettle due to production interruption is avoided.
Description
Technical Field
The application relates to the technical field of chemical devices, in particular to a continuous feeding reaction system with double centrifugal pumps.
Background
In the production process of the resin, the processing raw materials need to be conveyed to a reaction kettle through a feed pump. The processing raw materials comprise raw materials of dicyclopentadiene, diethylene glycol, ethylene glycol, propylene glycol, phthalic anhydride, maleic anhydride and the like.
However, during the operation of the feed pump, the feed pump needs to be shut down for maintenance or overhaul, which can cause the stop of the feed pump to interrupt production, and serious reaction in the reaction kettle can be out of control and cause serious safety accidents due to the failure of the feed pump.
Disclosure of Invention
The technical problems to be solved by the application are as follows: a continuous feed reaction system with a double centrifugal pump is provided that is capable of continuously feeding a reaction vessel.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a continuous feeding reaction system with two centrifugal pumps, includes reation kettle and liquid storage pot, be connected with first centrifugal pump and second centrifugal pump between reation kettle and the liquid storage pot respectively, be provided with pressure sensor one and pressure sensor two between liquid storage pot and first centrifugal pump, the second centrifugal pump respectively, be provided with temperature sensor one and temperature sensor two on first centrifugal pump and the second centrifugal pump respectively, can pass through pressure sensor one or temperature sensor one detects the trouble information of first centrifugal pump to with this information transfer to the control unit, by the control unit control first centrifugal pump stop work, and start the work of second centrifugal pump simultaneously.
Further, be connected with the connecting pipe one between reation kettle and the first centrifugal pump, be connected with the connecting pipe two between first centrifugal pump and the liquid storage pot, be connected with the connecting pipe four between second centrifugal pump and the liquid storage pot, be connected with the connecting pipe three between reation kettle and the second centrifugal pump, be provided with feed inlet one and feed inlet two on the reation kettle respectively.
Further, a third discharge port and a fourth discharge port are respectively arranged on the liquid storage tank, one end of the third discharge port is communicated with the second connecting pipe, and one end of the fourth discharge port is communicated with the fourth connecting pipe.
Further, a first regulating valve is arranged on the first connecting pipe, a second regulating valve is arranged on the second connecting pipe, a third regulating valve is arranged on the third connecting pipe, and a fourth regulating valve is arranged on the fourth connecting pipe.
Further, the first centrifugal pump comprises a first base, a first mounting seat is arranged on the first base, a first supporting seat is arranged on the first base at intervals with the first mounting seat, a first motor is arranged on the first mounting seat, and a first pump body is arranged on the first supporting seat.
Further, one end of the motor I is fixedly connected with a rotating rod I, a containing cavity I is formed in the pump body I, the other end of the rotating rod I is connected with an impeller I, the impeller I is arranged in the containing cavity I,
further, a first discharge port and a third feed port are further arranged on the first pump body, and the first discharge port and the third feed port are communicated with the accommodating cavity.
Further, the second centrifugal pump comprises a second base, a second mounting seat is arranged on the second base, a second supporting seat is arranged on the second base at intervals with the second mounting seat, a second motor is arranged on the second mounting seat, and a second pump body is arranged on the second supporting seat.
Further, one end fixedly connected with bull stick two of motor two, set up accommodation chamber two in the pump body two, the other end of bull stick two is connected with impeller two, impeller two sets up in accommodation chamber two.
Further, a second discharge port and a fourth feed port are further formed in the second pump body, and the second discharge port and the fourth feed port are communicated with the second accommodating cavity.
The beneficial effects of the application are as follows:
the first pressure sensor is arranged in the second connecting pipe communicated with the liquid storage tank and the first centrifugal pump, the second pressure sensor is arranged in the fourth connecting pipe communicated with the liquid storage tank and the second centrifugal pump, when the first centrifugal pump conveys the processing raw materials in the liquid storage tank to the reaction kettle, the first pressure sensor can sense the negative pressure state in the second connecting pipe and transmit the sensed information to the control unit, and the control unit controls the first motor, the first regulating valve and the second regulating valve to stop working.
Furthermore, the temperature sensor I can also be used for detecting the temperature condition of the motor I during operation, if the temperature is higher, the temperature sensor I transmits the information to the control unit, and the control unit controls the motor I to stop operation and simultaneously starts the motor II to operate. When the first centrifugal pump stops working, the second centrifugal pump can be started immediately to work, and the processing raw materials in the liquid storage tank are conveyed to the reaction kettle by the second centrifugal pump, so that the processing raw materials can be timely conveyed to the reaction kettle, the stop operation of the feed pump is avoided, the reaction kettle can work normally, and the risk that the reaction in the reaction kettle is out of control and serious safety accidents are caused due to production interruption is avoided.
Drawings
The application is further described below with reference to the drawings and examples.
In the figure:
FIG. 1 is a schematic perspective view of a continuous feed reaction system with dual centrifugal pumps according to the present application;
fig. 2 is a schematic perspective view of the first centrifugal pump shown in fig. 1;
FIG. 3 shows a left side view of the first centrifugal pump;
FIG. 4 is a cross-sectional view taken along the direction A-A shown in FIG. 3;
FIG. 5 shows a left side view of a second centrifugal pump;
FIG. 6 is a cross-sectional view taken along the direction B-B as shown in FIG. 5;
FIG. 7 is a logic control diagram of the present application.
In the figure, 1, a reaction kettle; 11. a first feeding port; 12. a second feeding port; 2. a first centrifugal pump; 21. a first base; 22. a first mounting seat; 23. a first motor; 24. a first rotating rod; 25. a pump body I; 26. a first supporting seat; 27. an impeller I; 28. a third feed inlet; 29. a first discharging hole; 291. the first accommodating cavity is formed; 3. a second centrifugal pump; 31. a second base; 32. a second mounting seat; 33. a second motor; 34. a second rotating rod; 35. a pump body II; 36. a second supporting seat; 37. an impeller II; 38. a feeding port IV; 39. a second discharging port; 391. a second accommodating cavity; 4. a liquid storage tank; 41. a third discharging port; 42. a discharge port IV; 5. a first connecting pipe; 6. a second connecting pipe; 7. a third connecting pipe; 8. a connecting pipe IV; 9. a first regulating valve; 13. a second regulating valve; 14. a first pressure sensor; 15. a third regulating valve; 16. a second pressure sensor; 17. a first temperature sensor; 18. a second temperature sensor; 19. and a regulating valve IV.
Detailed Description
The present application will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the application only by way of illustration, and therefore it shows only the constitution related to the application.
Referring to fig. 1 to 7, a continuous feed reaction system with dual centrifugal pumps includes a reaction vessel 1 and a liquid storage tank 4, and a first centrifugal pump 2 and a second centrifugal pump 3 are respectively connected between the reaction vessel 1 and the liquid storage tank 4.
A first connecting pipe 5 is connected between the reaction kettle 1 and the first centrifugal pump 2, a second connecting pipe 6 is connected between the first centrifugal pump 2 and the liquid storage tank 4, a third connecting pipe 7 is connected between the reaction kettle 1 and the second centrifugal pump 3, and a fourth connecting pipe 8 is connected between the second centrifugal pump 3 and the liquid storage tank 4.
The reaction kettle 1 is respectively provided with a first feed inlet 11 and a second feed inlet 12, the first feed inlet 11 is communicated with the first connecting pipe 5, and the second feed inlet 12 is communicated with the third connecting pipe 7.
And a third discharge port 41 and a fourth discharge port 42 are respectively arranged on the liquid storage tank 4, one end of the third discharge port 41 is communicated with the second connecting pipe 6, and one end of the fourth discharge port 42 is communicated with the fourth connecting pipe 8.
Further, a first regulating valve 9 is arranged on the first connecting pipe 5, a second regulating valve 13 is arranged on the second connecting pipe 6, and a first pressure sensor 14 is also arranged at one end, close to the third discharging port 41, of the second connecting pipe 6.
The third connecting pipe 7 is provided with a third regulating valve 15, the fourth connecting pipe 8 is provided with a fourth regulating valve 19, and one end of the fourth connecting pipe 8 close to the fourth discharging hole 42 is also provided with a second pressure sensor 16.
The first centrifugal pump 2 comprises a first base 21, a first mounting seat 22 arranged on the first base 21, a first supporting seat 26 arranged on the first base 21 at intervals with the first mounting seat 22, a first motor 23 arranged on the first mounting seat 22, a first pump body 25 arranged on the first supporting seat 26, a first rotating rod 24 fixedly connected with one end of the first motor 23, a first accommodating cavity 291 arranged in the first pump body 25, an impeller 27 connected with the other end of the first rotating rod 24, and the first impeller 27 arranged in the first accommodating cavity 291.
Further, a first temperature sensor 17 is also mounted on the first mount 22. By providing the first temperature sensor 17 for detecting the temperature of the first motor 23 during operation, if the first motor 23 is at a higher temperature during operation, the first temperature sensor 17 transmits the measured information to the control unit, and the control unit controls the first motor 23 to stop operation.
The first pump body 25 is also provided with a first discharge port 29 and a third feed port 28, and the first discharge port 29 and the third feed port 28 are communicated with the first accommodation cavity 291.
In this embodiment, the first outlet 29 communicates with one end of the first connecting tube 5 and the third inlet 28 communicates with one end of the second connecting tube 6.
The second centrifugal pump 3 comprises a second base 31, a second mounting seat 32 arranged on the second base 31, a second supporting seat 36 arranged on the second base 31 at intervals with the second mounting seat 32, a second motor 33 arranged on the second mounting seat 32, a second pump body 35 arranged on the second supporting seat 36, a second rotating rod 34 fixedly connected with one end of the second motor 33, a second accommodating cavity 391 arranged in the second pump body 35, an impeller 37 connected with the other end of the second rotating rod 34, and the second impeller 37 arranged in the second accommodating cavity 391.
And a second discharge port 39 and a fourth feed port 38 are also arranged on the second pump body 35, and the second discharge port 39 and the fourth feed port 38 are communicated with the second accommodating cavity 391.
In this embodiment, the second outlet 39 communicates with one end of the fourth connecting tube 8, and the fourth inlet 38 communicates with one end of the third connecting tube 7.
Further, a second temperature sensor 18 is also mounted on the second mount 32. By providing the second temperature sensor 18 for detecting the temperature of the second motor 33 during operation, if the temperature of the second motor 33 is higher during operation, the second temperature sensor 18 transmits the measured information to the control unit, and the control unit controls the second motor 33 to stop operation.
In the use process, through storing the processing raw materials in the liquid storage tank 4, the motor I23 is controlled by the control unit to rotate, and the regulating valve I9 and the regulating valve II 13 are opened while the motor I23 is controlled to rotate, the motor I23 drives the rotating rod I24 connected with the motor I to rotate, the rotating rod I24 drives the impeller I27 connected with the rotating rod I to rotate, the rotation of the impeller I27 enables the accommodating cavity I291 to generate negative pressure, the processing raw materials in the liquid storage tank 4 are sucked, the processing raw materials enter the connecting pipe II 6 from the discharge port III 41, enter the accommodating cavity I291 from the connecting pipe II 6, enter the connecting pipe II 6 from the accommodating cavity 291, enter the feeding port I11 from the connecting pipe II, enter the reaction kettle 1 from the feeding port I11, and the processing raw materials are processed through the reaction kettle 1.
In this process, the pressure sensor 14 senses the pressure condition in the connecting pipe II 6, if the pressure is reduced, the pressure sensor 14 transmits the sensed information to the control unit, the control unit controls the rotation speed of the motor I23, the negative pressure during suction is regulated by increasing the rotation speed of the motor I23, if the pressure sensor 14 senses the pressure increase in the connecting pipe II 6, the information is fed back to the control unit, the control unit controls the rotation speed of the motor I23, and the negative pressure during suction is regulated by decreasing the rotation speed of the motor II 33.
If the first motor 23 rotates and the first pressure sensor 14 does not sense the negative pressure in the second connecting pipe 6, the processing raw material in the liquid storage tank 4 cannot be sucked into the second connecting pipe 6, the system automatically considers that the first centrifugal pump 2 fails, and the first pressure sensor 14 transmits the failure information to the control unit. The first motor 23 is controlled by the control unit to stop working, the first regulating valve 9 and the second regulating valve 13 are simultaneously controlled to be closed, then the second motor 33 is switched to work, the third regulating valve 15 and the fourth regulating valve 19 are opened while the second motor 33 is started to work, and the processing raw materials in the liquid storage tank 4 are conveyed into the reaction kettle 1 by the second centrifugal pump 3.
Further, the temperature sensor 17 detects the temperature of the motor one 23 when the motor one 23 is operated, if the temperature of the motor one 23 is higher, the temperature sensor one 17 transmits the information to the control unit, and the control unit controls the motor one 23 to stop working and simultaneously starts the second centrifugal pump 3 to operate.
In the above embodiment, the second centrifugal pump 3 operates on the same principle as the first centrifugal pump 2.
The application has the beneficial effects that:
by arranging the first pressure sensor 14 in the second connecting pipe 6 which is communicated with the first centrifugal pump 2 and arranging the second pressure sensor 16 in the fourth connecting pipe 8 which is communicated with the second centrifugal pump 3 and the first centrifugal pump 2, when the first centrifugal pump 2 conveys the processing raw materials in the liquid storage tank 4 into the reaction kettle 1, the first pressure sensor 14 can sense the negative pressure state in the second connecting pipe 6 and transmit the sensed information to the control unit, and the control unit controls the first motor 23, the first regulating valve 9 and the second regulating valve 13 to stop working.
Further, the temperature sensor 17 can also be used for detecting the temperature condition of the motor one 23 during operation, if the temperature is higher, the temperature sensor one 17 transmits the information to the control unit, and the control unit controls the motor one 23 to stop operation and simultaneously starts the motor two 33 to operate. When the first centrifugal pump 2 stops working, the second centrifugal pump 3 can be started to work immediately, and the processing raw materials in the liquid storage tank 4 are conveyed into the reaction kettle 1 by the second centrifugal pump 3, so that the processing raw materials can be timely conveyed into the reaction kettle 1. The feeding pump can not be stopped, the reaction kettle 1 can be ensured to work normally, and the risk of serious safety accidents caused by out-of-control reaction in the reaction kettle 1 due to production interruption is avoided.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
While the foregoing is directed to the preferred embodiment of the present application, other and further embodiments of the application may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present application is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The utility model provides a continuous feeding reaction system with two centrifugal pumps, includes reation kettle (1) and reservoir (4), its characterized in that, be connected with first centrifugal pump (2) and second centrifugal pump (3) between reation kettle (1) and the reservoir (4) respectively, be provided with pressure sensor one (14) and pressure sensor two (16) between reservoir (4) and first centrifugal pump (2), second centrifugal pump (3) respectively, be provided with temperature sensor one (17) and temperature sensor two (18) on first centrifugal pump (2) and second centrifugal pump (3) respectively, can pass through pressure sensor one (14) or temperature sensor one (17) detect the trouble information of first centrifugal pump (2) to with this information transfer to the control unit, by control unit control first centrifugal pump (2) stop work, and start second centrifugal pump (3) work simultaneously.
2. The continuous feeding reaction system with double centrifugal pumps according to claim 1, wherein a first connecting pipe (5) is connected between the reaction kettle (1) and the first centrifugal pump (2), a second connecting pipe (6) is connected between the first centrifugal pump (2) and the liquid storage tank (4), a fourth connecting pipe (8) is connected between the second centrifugal pump (3) and the liquid storage tank (4), a third connecting pipe (7) is connected between the reaction kettle (1) and the second centrifugal pump (3), and a first feeding port (11) and a second feeding port (12) are respectively arranged on the reaction kettle (1).
3. The continuous feeding reaction system with the double centrifugal pumps according to claim 2, wherein a third discharge port (41) and a fourth discharge port (42) are respectively arranged on the liquid storage tank (4), one end of the third discharge port (41) is communicated with the second connecting pipe (6), and one end of the fourth discharge port (42) is communicated with the fourth connecting pipe (8).
4. The continuous feeding reaction system with the double centrifugal pumps according to claim 2, wherein a first regulating valve (9) is arranged on the first connecting pipe (5), a second regulating valve (13) is arranged on the second connecting pipe (6), a third regulating valve (15) is arranged on the third connecting pipe (7), and a fourth regulating valve (19) is arranged on the fourth connecting pipe (8).
5. A continuous feed reaction system with dual centrifugal pumps according to claim 1, wherein the first centrifugal pump (2) comprises a first base (21), a first mounting seat (22) mounted on the first base (21), a first support seat (26) arranged on the first base (21) at a distance from the first mounting seat (22), a first motor (23) mounted on the first mounting seat (22), and a first pump body (25) mounted on the first support seat (26).
6. The continuous feeding reaction system with double centrifugal pumps according to claim 5, wherein one end of the first motor (23) is fixedly connected with a first rotating rod (24), a first accommodating cavity (291) is formed in the first pump body (25), the other end of the first rotating rod (24) is connected with a first impeller (27), and the first impeller (27) is arranged in the first accommodating cavity (291).
7. The continuous feeding reaction system with double centrifugal pumps as claimed in claim 6, wherein the first pump body (25) is further provided with a first discharge port (29) and a third feed port (28), and the first discharge port (29) and the third feed port (28) are both communicated with the first accommodating cavity (291).
8. The continuous feeding reaction system with double centrifugal pumps according to claim 1, wherein the second centrifugal pump (3) comprises a second base (31), a second mounting seat (32) arranged on the second base (31), a second supporting seat (36) arranged on the second base (31) at intervals with the second mounting seat (32), a second motor (33) arranged on the second mounting seat (32), and a second pump body (35) arranged on the second supporting seat (36).
9. The continuous feeding reaction system with the double centrifugal pumps according to claim 8, wherein one end of the second motor (33) is fixedly connected with a second rotating rod (34), a second accommodating cavity (391) is formed in the second pump body (35), the other end of the second rotating rod (34) is connected with a second impeller (37), and the second impeller (37) is arranged in the second accommodating cavity (391).
10. The continuous feeding reaction system with double centrifugal pumps according to claim 9, wherein a second discharge port (39) and a fourth feed port (38) are further arranged on the second pump body (35), and the second discharge port (39) and the fourth feed port (38) are both communicated with the second accommodating cavity (391).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310992455.5A CN116688868A (en) | 2023-08-08 | 2023-08-08 | Continuous feeding reaction system with double centrifugal pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310992455.5A CN116688868A (en) | 2023-08-08 | 2023-08-08 | Continuous feeding reaction system with double centrifugal pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116688868A true CN116688868A (en) | 2023-09-05 |
Family
ID=87831598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310992455.5A Pending CN116688868A (en) | 2023-08-08 | 2023-08-08 | Continuous feeding reaction system with double centrifugal pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116688868A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204051624U (en) * | 2014-09-01 | 2014-12-31 | 江苏精科嘉益工业技术有限公司 | A kind of feed arrangement of New Emulsion type defoamer |
| CN204724138U (en) * | 2015-06-02 | 2015-10-28 | 宜兴国电精辉环保设备有限公司 | Redundancy Multi-path proportional chemicals dosing plant |
| CN111706786A (en) * | 2020-05-06 | 2020-09-25 | 西安长庆科技工程有限责任公司 | Crude oil switching integrated control device and control method |
| CN112375035A (en) * | 2020-12-11 | 2021-02-19 | 菲立化学工程(遂昌)有限公司 | Continuous reaction system and method for preparing 2-chloronicotinic acid |
| CN217482499U (en) * | 2022-04-26 | 2022-09-23 | 南京润克机械有限公司 | Double-pump lubricating system with control system |
-
2023
- 2023-08-08 CN CN202310992455.5A patent/CN116688868A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204051624U (en) * | 2014-09-01 | 2014-12-31 | 江苏精科嘉益工业技术有限公司 | A kind of feed arrangement of New Emulsion type defoamer |
| CN204724138U (en) * | 2015-06-02 | 2015-10-28 | 宜兴国电精辉环保设备有限公司 | Redundancy Multi-path proportional chemicals dosing plant |
| CN111706786A (en) * | 2020-05-06 | 2020-09-25 | 西安长庆科技工程有限责任公司 | Crude oil switching integrated control device and control method |
| CN112375035A (en) * | 2020-12-11 | 2021-02-19 | 菲立化学工程(遂昌)有限公司 | Continuous reaction system and method for preparing 2-chloronicotinic acid |
| CN217482499U (en) * | 2022-04-26 | 2022-09-23 | 南京润克机械有限公司 | Double-pump lubricating system with control system |
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