CN213222077U - Liquid caustic soda promotes feed arrangement - Google Patents
Liquid caustic soda promotes feed arrangement Download PDFInfo
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- CN213222077U CN213222077U CN202021552372.2U CN202021552372U CN213222077U CN 213222077 U CN213222077 U CN 213222077U CN 202021552372 U CN202021552372 U CN 202021552372U CN 213222077 U CN213222077 U CN 213222077U
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- gear pump
- caustic soda
- liquid caustic
- pipeline
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Abstract
The utility model provides a liquid caustic soda promotes feed arrangement, include: the device comprises a liquid caustic soda tank and two gear pumps connected with the liquid caustic soda tank, wherein the two gear pumps are arranged in parallel and are respectively marked as a first gear pump and a second gear pump; the first gear pump is respectively connected with the first outlet pipeline and the second outlet pipeline through outlet pipelines and is respectively provided with a ball valve at the connecting position; a ball valve is arranged on a first inlet branch pipeline connected with the first gear pump, and a ball valve is arranged on a second inlet branch pipeline connected with the second gear pump; and a ball valve is arranged on the main inlet pipeline connected with the liquid caustic soda tank, the first inlet branch pipeline and the second inlet branch pipeline. Through the technical scheme of the utility model, every gear pump homoenergetic independently comes out alone, and the easy access does not need all to stop transporting, closes corresponding ball valve and just can change, has promoted efficiency, has reduced the change degree of difficulty.
Description
Technical Field
The utility model relates to a useless treatment facility technical field of danger particularly, relates to a liquid caustic soda promotes feed arrangement.
Background
In the correlation technique, when the useless processing of danger, the liquid caustic soda for the deacidification generally all need to promote the feeding, and common liquid caustic soda promotes feed arrangement and generally is for adopting two to transport three alkali-adding measuring pumps that one was equipped with to PVC bonds the pipeline as the outlet line, establishes the back pressure valve at the outlet line and keeps the required pressure flow of pipeline, has following technical defect:
(1) the alkali dosing pump is a small diaphragm pump, is easy to corrode in the continuous liquid alkali dosing process, is long in time, is easy to cause the phenomena of leakage of a pump shell and the like, and has certain potential safety hazards.
(2) The outlet pipeline adopts a PVC bonded pipeline, is easy to leak, wastes alkali liquor and has certain potential safety hazard.
(3) Two fortune one are equipped with three add subtract measuring pumps, and single pump can not independently come out, when changing the pump, needs whole to shut down the back and change, and the change degree of difficulty is great.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model aims to provide a liquid caustic soda promotes feed arrangement.
In order to achieve the above object, the technical solution of the present invention provides a liquid caustic soda lifting and feeding device, including: the device comprises a liquid caustic soda tank and two gear pumps connected with the liquid caustic soda tank, wherein the two gear pumps are arranged in parallel and are respectively marked as a first gear pump and a second gear pump; the two outlet pipelines are respectively marked as a first outlet pipeline and a second outlet pipeline, the first gear pump is respectively connected with the first outlet pipeline and the second outlet pipeline through outlet pipelines and is respectively provided with a ball valve at a connecting position, and the second gear pump is respectively connected with the first outlet pipeline and the second outlet pipeline through outlet pipelines and is respectively provided with a ball valve at a connecting position; a ball valve is arranged on a first inlet branch pipeline connected with the first gear pump, and a ball valve is arranged on a second inlet branch pipeline connected with the second gear pump; and ball valves are arranged on the main inlet pipeline connected with the liquid caustic soda tank, the first inlet branch pipeline and the second inlet branch pipeline.
Preferably, the outlet pipelines connected to the first gear pump and the second gear pump are lined with tetrafluoro steel hoses.
Preferably, the outlet pipelines connected to the first gear pump and the second gear pump are in threaded connection.
Preferably, pressure gauges are arranged on the first outlet pipeline and the second outlet pipeline respectively.
Preferably, the gear pump is driven by a variable frequency motor, the variable frequency motor is connected with a DCS central control system, and the amount of the added liquid caustic soda is controlled by controlling the rotating speed of the variable frequency motor.
The utility model provides a liquid caustic soda promotes feed arrangement has following beneficial technological effect:
(1) the inlet branch pipe of each gear pump and the connecting position connected with the two outlet pipes through the outlet pipelines are provided with the ball valve, each gear pump can independently come out without stopping all the gears, the corresponding ball valve can be replaced by closing the corresponding ball valve, the efficiency is improved, and the replacement difficulty is reduced.
(2) The gear pump and the outlet pipeline have stronger corrosion resistance, reduce the potential safety hazard of being corroded and revealing, and improve the safety performance of the liquid caustic soda lifting feeding device.
(3) The gear pump is driven by a variable frequency motor, the variable frequency motor is connected with a DCS central control system, the amount of the added liquid caustic soda is controlled by controlling the rotating speed of the variable frequency motor, a back pressure valve is not needed, the flow can be accurately controlled, and the labor intensity of field operators is reduced through DCS central control operation.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
figure 1 shows a schematic structural view of a liquid caustic soda lifting and feeding device according to an embodiment of the present invention,
wherein, the corresponding relation between the reference numbers and the components in fig. 1 is:
102 liquid caustic soda tank, 104 first gear pump, 106 second gear pump, 108 first outlet pipeline, 110 second outlet pipeline, 112 ball valve, 114 first inlet branch pipeline, 116 second inlet branch pipeline, 118 total inlet pipeline, 120 outlet pipeline and 122 pressure gauge.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The liquid caustic soda lifting and feeding device according to the embodiment of the present invention is specifically described below with reference to fig. 1.
As shown in fig. 1, the liquid caustic soda lifting and feeding device according to the embodiment of the present invention comprises: the caustic soda liquid mixing device comprises a caustic soda liquid tank 102, a first gear pump 104, a second gear pump 106, a ball valve 112, a first inlet branch pipeline 114, a second inlet branch pipeline 116, a total inlet pipeline 118, a first outlet pipeline 108, a second outlet pipeline 110 and the like, wherein the caustic soda liquid tank 102 is connected with the total inlet pipeline 118, the total inlet pipeline 118 is respectively connected with the first inlet branch pipeline 114 and the second inlet branch pipeline 116 through three-way joints, valves are respectively arranged on the total inlet pipeline 118, the first inlet branch pipeline 114 and the second inlet branch pipeline 116, the first inlet branch pipeline 114 is connected to the first gear pump 104, and the second inlet branch pipeline 116 is connected to the second gear pump 106. The first gear pump 104 is connected to the first outlet pipe 108 and the second outlet pipe 110 via an outlet line 120, respectively, and a ball valve 112 is provided at the connection position. The second gear pump 106 is connected to the first outlet conduit 108, the second outlet conduit 110, respectively, by an outlet line 120, with a ball valve 112 at the connection location.
Like this, through the switching of ball valve 112, just can form different feedstock channel, every gear pump homoenergetic is independent come out alone, and a gear pump corresponds two outlet pipe in addition, and the maintenance of the gear pump of being convenient for does not need all to shut down, closes corresponding ball valve 112 and just can change, has not only promoted efficiency, has reduced the change degree of difficulty moreover. The corrosion resistance of gear pump is stronger, has reduced the potential safety hazard of being corroded and revealing, has promoted liquid caustic soda and has promoted feed arrangement's security performance.
Further, the outlet lines 120 connected to the first gear pump 104 and the second gear pump 106 are lined with teflon hoses, and the outlet lines 120 connected to the first gear pump 104 and the second gear pump 106 are connected by screws.
Therefore, the firmness is stronger, and the leakage phenomenon at the connecting part is reduced.
Further, pressure gauges 122 are respectively arranged on the first outlet pipeline 108 and the second outlet pipeline 110.
Thereby, the feed pressure of the liquid caustic is conveniently detected.
Furthermore, the gear pump is driven by a variable frequency motor, the variable frequency motor is connected with a DCS central control system, and the amount of the added liquid caustic soda is controlled by controlling the rotating speed of the variable frequency motor. The flow can be accurately controlled without arranging a back pressure valve, and the labor intensity of field operators is reduced through DCS central control operation.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A liquid caustic soda lifting feed device, comprising:
the device comprises a liquid caustic soda tank and two gear pumps connected with the liquid caustic soda tank, wherein the two gear pumps are arranged in parallel and are respectively marked as a first gear pump and a second gear pump;
the two outlet pipelines are respectively marked as a first outlet pipeline and a second outlet pipeline, the first gear pump is respectively connected with the first outlet pipeline and the second outlet pipeline through outlet pipelines and is respectively provided with a ball valve at a connecting position, and the second gear pump is respectively connected with the first outlet pipeline and the second outlet pipeline through outlet pipelines and is respectively provided with a ball valve at a connecting position;
a ball valve is arranged on a first inlet branch pipeline connected with the first gear pump, and a ball valve is arranged on a second inlet branch pipeline connected with the second gear pump;
and ball valves are arranged on the main inlet pipeline connected with the liquid caustic soda tank, the first inlet branch pipeline and the second inlet branch pipeline.
2. The liquid caustic soda lifting feed device of claim 1,
and outlet pipelines connected to the first gear pump and the second gear pump are lined with polytetrafluoroethylene steel wire hoses.
3. The liquid caustic soda lifting feed device of claim 2,
and outlet pipelines connected to the first gear pump and the second gear pump are in threaded connection.
4. The liquid caustic soda lifting feed device of claim 3,
pressure gauges are arranged on the first outlet pipeline and the second outlet pipeline.
5. The liquid caustic soda lifting feed device of claim 4, wherein,
the gear pump is driven by a variable frequency motor, the variable frequency motor is connected with a DCS central control system, and the amount of the added liquid caustic soda is controlled by controlling the rotating speed of the variable frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552372.2U CN213222077U (en) | 2020-07-30 | 2020-07-30 | Liquid caustic soda promotes feed arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552372.2U CN213222077U (en) | 2020-07-30 | 2020-07-30 | Liquid caustic soda promotes feed arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213222077U true CN213222077U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021552372.2U Active CN213222077U (en) | 2020-07-30 | 2020-07-30 | Liquid caustic soda promotes feed arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213222077U (en) |
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2020
- 2020-07-30 CN CN202021552372.2U patent/CN213222077U/en active Active
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