CN220940720U - Wash pot with automatic acidity regulator - Google Patents

Abstract

The application relates to a washing kettle with an automatic acidity regulator, which belongs to the field of PH detection of chemical reaction equipment, and comprises a washing kettle, a hydrochloric acid tank and a conveying pipeline, wherein a stirring assembly is arranged in the washing kettle, and the stirring assembly is used for stirring materials in the washing kettle; the conveying pipeline is communicated with the washing kettle, and a PH detector and a reflux assembly are sequentially arranged on the conveying pipe along the direction away from the washing kettle, and the PH detector detects the PH value of materials in the conveying pipeline; the reflux component is communicated with the conveying pipeline and the washing kettle, and the detected material can return to the washing kettle through the reflux component; the hydrochloric acid tank is communicated with the washing kettle, a feeding pump is arranged on the hydrochloric acid tank and used for conveying hydrochloric acid into the washing kettle, the PH detector is connected with a flow controller, and the flow controller is connected with and controls the starting and stopping of the feeding pump. The application has the effects of conveniently detecting the PH value of the materials in the washing kettle and adjusting the PH value.

Description

Wash pot with automatic acidity regulator

Technical Field

The application relates to the field of PH detection of chemical reaction equipment, in particular to a washing kettle with an automatic acidity adjusting device.

Background

When the polystyrene is prepared, raw materials enter a washing kettle to react, and hydrochloric acid is required to be added in the reaction process, so that the PH value of materials in the washing kettle is kept within a set range.

Aiming at the related technology, when judging the acidity value in the washing kettle, the common practice is to take out a certain amount of materials from the washing kettle, then manually detect the taken materials to obtain the acidity value of the materials in the washing kettle, the detection process is too complicated, and the time consumed in the detection process is too long.

Disclosure of utility model

In order to conveniently detect the PH value of materials in the washing kettle and adjust the PH value, the application provides the washing kettle with the automatic acidity adjusting device.

The application provides a washing kettle with an automatic acidity regulating device, which adopts the following technical scheme:

The washing kettle with the automatic acidity adjusting device comprises a washing kettle, a hydrochloric acid tank and a conveying pipeline, wherein a stirring assembly is arranged in the washing kettle and is used for stirring materials in the washing kettle; the conveying pipeline is communicated with the washing kettle, and a PH detector and a reflux assembly are sequentially arranged on the conveying pipe along the direction far away from the washing kettle, and the PH detector detects the PH value of materials in the conveying pipeline; the reflux component is communicated with the conveying pipeline and the washing kettle, and the detected materials can return to the washing kettle through the reflux component; the hydrochloric acid tank is communicated with the washing kettle, and a feed pump is arranged on the hydrochloric acid tank and used for conveying hydrochloric acid into the washing kettle; the PH detector is connected with a flow controller, the flow controller is connected with the feed pump, and the flow controller controls the start and stop of the feed pump according to the data of the PH detector.

By adopting the technical scheme, materials are put into the washing kettle, hydrochloric acid is conveyed into the washing kettle from the hydrochloric acid tank through the feeding pump, and the stirring assembly stirs the materials and the hydrochloric acid in the washing kettle to be uniformly mixed. The mixed materials flow out of the conveying pipeline, the mixed materials are detected by a PH detector, and the materials with PH values in a specified range are detected to flow out of the conveying pipeline continuously; when the PH value is not in the specified range, the material flows back to the washing kettle through the reflux component, the flow controller controls the feed pump to start, the feed pump pumps the hydrochloric acid into the washing kettle, the PH value of the material in the washing kettle is changed, and the material flows out after being stirred and mixed again until the PH value measured by the PH detector is in the specified range. Meanwhile, the PH value detector directly detects the materials flowing out of the washing kettle, so that PH value of the materials in the washing kettle can be conveniently adjusted after being detected, and production efficiency of products is improved.

Preferably, the flow controller is configured as a PLC controller.

Through adopting above-mentioned technical scheme, use the PLC controller as flow controller, the PLC controller be connected respectively in PH detector and charge-in pump, the PLC controller receives the signal of PH detector comes the start-stop of control charge-in pump.

Preferably, the reflux assembly comprises a reflux pipeline and a reflux pump, one end of the reflux pipeline is communicated with the conveying pipeline, the other end of the reflux pipeline is communicated with the washing kettle, the reflux pump is arranged on the reflux pipeline, and the reflux pump conveys materials in the conveying pipeline back to the washing kettle through the reflux pipeline.

Through adopting above-mentioned technical scheme, return line intercommunication in the reation kettle, with the material that does not reach prescribed PH value through return line transport back to the reation kettle in, prevent that unqualified material from influencing product quality.

Preferably, the reflux pump is electrically connected to the PLC controller, and the PLC controller controls the start and stop of the reflux pump.

Through adopting above-mentioned technical scheme, the PLC controller electricity connect in the backwash pump, when the data of the PH detector that the PLC controller received is less than the numerical value that PLC predetermines, the PLC controller starts the backwash pump is with unqualified material pump back to in the scrubbing kettle again.

Preferably, an electromagnetic three-way ball valve is arranged at the connection position of the reflux pipeline and the conveying pipeline, the electromagnetic three-way ball valve controls the flow direction of materials, and the electromagnetic three-way ball valve (43) is connected with the PLC.

Through adopting above-mentioned technical scheme, the flow direction of material can be changed to the electromagnetism tee bend ball valve, when making the PH detector detect when not reaching the target value, the PLC controller electromagnetism tee bend ball valve is transferred, makes the material flow back to the scrubbing kettle in through the return line, and electromagnetism tee bend ball valve simple structure facilitates the use.

Preferably, one end of the reflux pipeline far away from the conveying pipeline is connected to the position of the washing kettle far away from the conveying pipeline.

Through adopting above-mentioned technical scheme, the material that detects the completion passes through backflow pipeline flows back to the cauldron again in, backflow pipeline's junction cauldron position department is kept away from the pipeline setting, has guaranteed that the material of backward flow can flow out after abundant stirring again, avoids the material to mix the measurement registration that the inequality influences the PH measuring apparatu.

Preferably, the upper end of the washing kettle is provided with an exhaust gas collector.

Through adopting above-mentioned technical scheme, waste gas that produces when waste gas collection device will carry the interior material of washing cauldron and hydrochloric acid stirring mix is collected, handles in unison, prevents gaseous pollution operational environment or causes harmful effects.

Preferably, the stirring assembly and the washing kettle are coaxially arranged, the stirring assembly comprises a driving motor and an anchor stirrer which are coaxially connected, and the driving motor drives the anchor stirrer to rotate.

Through adopting above-mentioned technical scheme, under driving motor's drive, anchor agitator rotates along the reaction axis, and when anchor agitator fast rotation, the material that the agitator drove comes down stationary layer from the washing cauldron wall, guarantees that material and hydrochloric acid in the washing cauldron can stir, and anchor agitator structure is firm simultaneously, and the stirring volume is big, promotes chemical reaction speed, improves material mixing efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The material is put into the washing kettle, the hydrochloric acid is conveyed into the washing kettle from the hydrochloric acid tank through the feeding pump, and the stirring assembly stirs the material and the hydrochloric acid in the washing kettle to be uniformly mixed. The mixed materials flow out of the conveying pipeline, the mixed materials are detected by a PH detector, and the materials with PH values in a specified range are detected to flow out of the conveying pipeline continuously; when the PH value is not in the specified range, the material flows back to the washing kettle through the reflux component, the flow controller controls the feed pump to start, the feed pump pumps the hydrochloric acid into the washing kettle, the PH value of the material in the washing kettle is changed, and the material flows out after being stirred and mixed again until the PH value measured by the PH detector is in the specified range. Meanwhile, the PH value detector directly detects the materials flowing out of the washing kettle, so that PH value of the materials in the washing kettle can be conveniently adjusted after being detected, and production efficiency of products is improved;

2. A PLC controller is used as a flow controller and is respectively connected with the PH detector and the feed pump, and the PLC controller receives signals of the PH detector to control the start and stop of the feed pump;

3. The detected materials are returned to the washing kettle again through the return pipeline, the position of the washing kettle at the joint of the return pipeline is far away from the conveying pipeline, the materials which are returned are guaranteed to flow out after being sufficiently stirred, and the phenomenon that the measurement indication of the PH measuring instrument is affected by uneven material mixing is avoided.

Drawings

FIG. 1 is a schematic view of a structure of a washing tank with an automatic acidity adjusting device according to an embodiment of the present application;

Fig. 2 is a cross-sectional view of a protruding stirring assembly of a washing tank with an automatic acidity adjustment device, according to an embodiment of the present application.

Reference numerals illustrate: 1. a washing kettle; 11. a feed inlet; 12. a stirring assembly; 121. a driving motor; 122. an anchor stirrer; 13. an exhaust gas collector; 2. a hydrochloric acid tank; 21. a feed pipe; 22. a feed pump; 3. a PH detector; 4. a reflow assembly; 41. a return line; 42. a reflux pump; 43. electromagnetic three-way ball valve; 5. a delivery conduit; 51. a measurement section; 52. and (5) conveying the segments.

Detailed Description

The application is described in further detail below with reference to fig. 1-2.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," 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 present application. In this specification, schematic representations of the above terms are not necessarily directed 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 embodiment of the application discloses a washing kettle with an automatic acidity regulating device. Referring to fig. 1, a washing tank with an automatic acidity adjusting device includes a washing tank 1, a hydrochloric acid tank 2, and a conveying pipe 5. The washing kettle 1 is cylindrical, and the axis of the washing kettle 1 is perpendicular to the ground. The upper end of the washing kettle 1 is provided with a feed inlet 11, the inside of the washing kettle 1 is communicated with the outside through the feed inlet 11, and materials enter the washing kettle 1 through the feed inlet 11. The hydrochloric acid tank 2 is arranged on the ground parallel to the axis of the washing kettle 1, one end of a feeding pipeline 21 is fixedly connected to the upper end of the hydrochloric acid tank 2, and the other end of the feeding pipeline 21 is fixedly connected and communicated with the upper end of the washing kettle 1. A feeding pump 22 is fixedly connected in the feeding pipeline 21, and the feeding pump 22 increases the pressure in the feeding pipeline 21 and conveys the hydrochloric acid from the hydrochloric acid barrel to the washing kettle 1 through the conveying pipeline 5. The flow controller is connected with the PH detector 3, and the flow controller controls the hydrochloric acid to be added into the washing kettle 1 according to the acidity data detected by the PH detector 3. The stirring assembly 12 is coaxially arranged in the washing kettle 1, and the stirring assembly 12 uniformly stirs the material and the hydrochloric acid in the washing kettle 1.

The embodiment of the application provides a washing kettle with an automatic acidity adjusting device, which is implemented by the following principle: the material is put into the washing kettle 1, the hydrochloric acid is conveyed into the washing kettle 1 from the hydrochloric acid tank 2 through the feeding pump 22, and the stirring assembly 12 stirs the material and the hydrochloric acid in the washing kettle 1 to be uniformly mixed. The mixed materials flow out of the conveying pipeline 5, the mixed materials are detected by the PH detector 3, and the materials with PH values in a specified range are detected to flow out of the conveying pipeline 5 continuously; when the PH value is not in the specified range, the materials flow back to the washing kettle 1 through the backflow component 4, and flow out after being stirred and mixed again until the PH value measured by the PH detector 3 is in the specified range.

Referring to fig. 1 and 2, as a further example under the present embodiment, the flow controller is a PLC controller, and the PLC controller is electrically connected to the PH detector 3 and the feed pump 22, respectively, and the PLC controller can control the start and stop of the feed pump 22. The PH detector 3 is connected with the feed pump 22 through the PLC controller, and the PH detector 3 is arranged in real time to detect the acid content in the material flowing through the inside of the conveying pipeline 5, and transmits detected data to the PLC controller in real time, and the PLC controller is arranged in real time to receive the data detected by the PH detector 3, compare the received data with the preset value in the interior, and when the data detected by the PH detector 3 received by the PLC controller is greater than the preset value, the PLC controller starts the feed pump 22, and conveys hydrochloric acid in the hydrochloric acid barrel to the inside of the washing kettle 1, so that automatic acid adding operation is realized.

Referring to fig. 1 and 2, as a further example under the present embodiment, the backflow assembly 4 includes a backflow pipe 41 and a backflow pump 42, the backflow pipe 41 is 匚, the backflow pump 42 is fixedly connected to the backflow pipe 41, one end of the backflow pipe 41 is fixedly connected to and communicated with the conveying pipe 5, the other end is fixedly connected to and communicated with the position of the washing kettle 1 far away from the conveying pipe 5, and the backflow pipe 41 is communicated with the washing kettle 1. The reflux pump 42 is electrically connected to the PLC controller, and when the data detected by the PH detector 3 received by the PLC controller is greater than a preset value, the reflux pump 42 is started, and the reflux pump 42 conveys the material which does not reach the specified PH value back to the washing kettle 1 through the reflux pipe 41, so that the unqualified material is prevented from affecting the product quality. Meanwhile, when the materials are refluxed, the materials are refluxed into the washing kettle 1 from a position far away from the conveying pipeline 5, so that the refluxed materials can flow out after being sufficiently stirred, and the phenomenon that the measurement indication of the PH measuring instrument is influenced by uneven material mixing is avoided.

Referring to fig. 1 and 2, as a further example under the present embodiment, an electromagnetic three-way ball valve 43 is fixedly connected at a connection position of the return pipe 41 and the conveying pipe 5, the electromagnetic three-way ball valve 43 divides the conveying pipe 5 into a test section and a conveying section 52, one end of the electromagnetic three-way ball valve 43 is communicated with the test section, the other end is communicated with the return pipe 41, and the last end is communicated with the conveying section 52. The electromagnetic three-way ball valve 43 is electrically connected to the PLC, the PLC can control the electromagnetic three-way ball valve 43 to rotate so as to change the flow direction of materials, and when the data detected by the PH detector 3 received by the PLC is larger than a preset value, the PLC controls the electromagnetic three-way ball valve 43 to rotate so that the measuring section 51 is communicated with the backflow pipeline 41, and the materials flow back to the washing kettle through the backflow pipeline 41; when the data detected by the PH detector 3 received by the PLC controller is smaller than or equal to a preset value, the electromagnetic three-way ball valve 43 rotates, the electromagnetic three-way ball valve 43 enables the measuring section 51 to be communicated with the conveying section 52, and materials flow out through the conveying pipeline 5. The electromagnetic three-way ball valve 43 is simple in structure, easy to operate and long in service life.

Referring to fig. 1 and fig. 2, as a further example under the present embodiment, an exhaust gas collector 13 is fixedly connected to the upper end of the washing kettle 1, the exhaust gas collector 13 is communicated with the inside of the washing kettle 1, and the exhaust gas generated when the materials and the hydrochloric acid in the washing kettle 1 are stirred and mixed is collected by the conveying exhaust gas collecting device, and is uniformly treated, so as to prevent the gas from polluting the working environment or causing adverse effects.

Referring to fig. 1 and fig. 2, as a further example under the present embodiment, the stirring assembly 12 includes a driving motor 121 and an anchor stirrer 122 that are coaxially disposed, the driving motor 121 is fixedly connected to the upper end of the washing kettle 1, the output end of the driving motor 121 is downwardly penetrating through the washing kettle 1, the anchor stirrer 122 is fixedly connected to the output end of the driving motor 121, the driving motor 121 drives the anchor stirrer 122 to rotate along the axis of the washing kettle 1, the shape of the lower end of the anchor stirrer 122 is the same as that of the lower end of the washing kettle 1, a gap between the anchor stirrer 122 and the inner wall of the washing kettle 1 is smaller, when the anchor stirrer 122 rotates rapidly, the material in a static state is brought down from the inner wall of the washing kettle 1 by the material driven by the blades of the anchor stirrer 122, so that the material and hydrochloric acid in the washing kettle 1 can be uniformly stirred, and simultaneously the anchor stirrer 122 has a firm structure and a large stirring amount, so that the chemical reaction speed is promoted, and the material mixing efficiency is improved.

The application has the effects of conveniently detecting the PH value of the materials in the washing kettle and adjusting the PH value.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. A washing kettle with an automatic acidity regulator, which is characterized in that: the device comprises a washing kettle (1), a hydrochloric acid tank (2) and a conveying pipeline (5), wherein a stirring assembly (12) is arranged in the washing kettle (1), and the stirring assembly (12) is used for stirring materials in the washing kettle (1); the conveying pipeline (5) is communicated with the washing kettle (1), a PH detector (3) and a reflux component (4) are sequentially arranged on the conveying pipeline along the direction away from the washing kettle (1), and the PH detector (3) detects the PH value of materials in the conveying pipeline (5); the reflux assembly (4) is communicated with the conveying pipeline (5) and the washing kettle (1), and detected materials can be returned to the washing kettle (1) through the reflux assembly (4); the hydrochloric acid tank (2) is communicated with the washing kettle (1), a feeding pump (22) is arranged on the hydrochloric acid tank (2), and the feeding pump (22) is used for conveying hydrochloric acid into the washing kettle (1); the PH detector (3) is connected with a flow controller, the flow controller is connected with the feeding pump (22), and the flow controller controls the starting and stopping of the feeding pump (22) according to the data of the PH detector (3).

2. A washing tank with an automatic acidity adjustment means according to claim 1, characterized in that: the flow controller is set as a PLC controller.

3. A washing tank with an automatic acidity adjustment device according to claim 2, characterized in that: the reflux assembly (4) comprises a reflux pipeline (41) and a reflux pump (42), one end of the reflux pipeline (41) is communicated with the conveying pipeline (5), the other end of the reflux pipeline is communicated with the washing kettle (1), the reflux pump (42) is arranged on the reflux pipeline (41), and the reflux pump (42) conveys materials in the conveying pipeline (5) back to the washing kettle (1) through the reflux pipeline (41).

4. A washing tank with an automatic acidity adjustment device according to claim 3, characterized in that: the reflux pump (42) is electrically connected to the PLC, and the PLC controls the start and stop of the reflux pump (42).

5. A washing tank with an automatic acidity adjustment mechanism according to claim 4, characterized in that: the electromagnetic three-way ball valve (43) is arranged at the connecting position of the backflow pipeline (41) and the conveying pipeline (5), the flow direction of materials is controlled by the electromagnetic three-way ball valve (43), and the electromagnetic three-way ball valve (43) is connected with the PLC.

6. A washing tank with an automatic acidity adjustment means according to claim 5, characterized in that: one end of the reflux pipeline (41) far away from the conveying pipeline (5) is connected to the position of the washing kettle (1) far away from the conveying pipeline (5).

7. A washing tank with an automatic acidity adjustment means according to claim 1, characterized in that: the upper end of the washing kettle (1) is provided with an exhaust gas collector (13).

8. A washing tank with an automatic acidity adjustment means according to claim 1, characterized in that: the stirring assembly (12) and the washing kettle (1) are coaxially arranged, the stirring assembly (12) comprises a driving motor (121) and an anchor stirrer (122) which are coaxially connected, and the driving motor (121) drives the anchor stirrer (122) to rotate.