CN216726994U - Continuous acid preparation device - Google Patents
Continuous acid preparation device Download PDFInfo
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- CN216726994U CN216726994U CN202122237869.6U CN202122237869U CN216726994U CN 216726994 U CN216726994 U CN 216726994U CN 202122237869 U CN202122237869 U CN 202122237869U CN 216726994 U CN216726994 U CN 216726994U
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- acid
- kettle
- acid preparation
- preparation kettle
- sulfuric acid
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Abstract
The utility model relates to a continuous acid preparation device, which comprises: the acid preparing device comprises an acid preparing kettle I and an acid preparing kettle II, wherein the bottom of the acid preparing kettle I is higher than the top of the acid preparing kettle II, the bottom of the acid preparing kettle I is connected with the top of the acid preparing kettle II through an L-shaped pipeline, and stirring devices are arranged on the acid preparing kettle I and the acid preparing kettle II. The utility model can dilute the concentrated sulfuric acid into dilute sulfuric acid, and continuously add the dilute sulfuric acid into the ammonium sulfate circulating system, thereby eliminating the vibration of pipelines, equipment and frames caused by adding the concentrated sulfuric acid and reducing the potential safety hazard of the equipment.
Description
Technical Field
The utility model relates to the new technical field of deamination wastewater recycling, in particular to a continuous acid preparation device.
Background
In ammonia nitrogen waste water resourceful treatment technical field, prepare the ammonium sulfate after the ammonia behind the desorption in the ammonia nitrogen waste water is absorbed with sulphuric acid usually, in this process, need constantly add concentrated sulfuric acid in the ammonium sulfate circulating line in order to guarantee that ammonium sulfate circulating line pH value is between 3 ~ 5, but because the control valve error leads to adding concentrated sulfuric acid volume to be far greater than sulphuric acid actual demand easily, lead to sulphuric acid to add the local overheated boiling of department's temperature, finally cause the ammonium sulfate circulating line to take place the water hammer, whole equipment and frame are all rocking when serious, the safety and stability who seriously influences equipment moves. When a single acid preparation kettle is used for preparing dilute sulfuric acid, the concentration of the conveyed sulfuric acid solution is different due to uneven stirring, the product quality is influenced,
in the technical field of recycling treatment of ammonia nitrogen wastewater, the vibration of pipelines, equipment and frames caused by adding concentrated sulfuric acid causes great potential safety hazard, so that the development of a continuous acid preparation device has important significance in adding concentrated sulfuric acid diluted into dilute sulfuric acid into a circulating system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a continuous acid preparation device to solve the problem of uneven concentration of sulfuric acid prepared by the existing acid preparation method.
In order to achieve the above object, the present invention provides a continuous acid preparing apparatus, comprising: the acid preparing device comprises an acid preparing kettle I and an acid preparing kettle II, wherein the bottom of the acid preparing kettle I is higher than the top of the acid preparing kettle II, the bottom of the acid preparing kettle I is connected with the top of the acid preparing kettle II through a pipeline, and stirring devices are arranged on the acid preparing kettle I and the acid preparing kettle II.
The continuous acid preparation device is characterized in that a pipeline for connecting the bottom of the acid preparation kettle I and the top of the acid preparation kettle II is provided with a communicating pipeline, one end of the communicating pipeline is connected with the pipeline, and the other end of the communicating pipeline is communicated with the top of the acid preparation kettle I. The communicating pipeline can ensure that the pressure of the acid preparation kettle I and the pressure of the acid preparation kettle II are always the same, and the sulfuric acid solution in the acid preparation kettle I can automatically flow into the acid preparation kettle II under the action of gravity.
In the continuous acid preparation device, the acid preparation kettle I and the acid preparation kettle II are both jacket type glass lining reaction kettles.
The continuous acid preparing device provided by the utility model is characterized in that the volume of the acid preparing kettle I is smaller than that of the acid preparing kettle II.
The utility model relates to a continuous acid preparation device, wherein a liquid level controller is arranged between an acid preparation kettle I and an acid preparation kettle II.
The utility model has the beneficial effects that:
the utility model can dilute the concentrated sulfuric acid into dilute sulfuric acid, and continuously add the dilute sulfuric acid into the ammonium sulfate circulating system, thereby eliminating the vibration of pipelines, equipment and frames caused by adding the concentrated sulfuric acid and reducing the potential safety hazard of the equipment.
Drawings
FIG. 1 is a schematic diagram of a continuous acid preparing apparatus according to the present invention.
Wherein, the reference numbers:
1. preparing an acid kettle I;
2. preparing an acid kettle II;
3. a delivery pump;
4. an ammonium sulfate circulation line;
5. a pipeline mixer;
6. a pipeline;
7. communicating with the pipeline.
Detailed Description
The present invention is specifically described below by way of examples. It should be noted that the following examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the utility model, as many insubstantial modifications and variations of the utility model may be made by those skilled in the art in light of the above teachings.
Referring to fig. 1, the continuous acid preparation device of the present invention includes an acid preparation kettle I1 and an acid preparation kettle II 2, wherein the bottom of the acid preparation kettle I1 is higher than the top of the acid preparation kettle II 2, the axes of the acid preparation kettle I1 and the acid preparation kettle II 2 are not coaxial, the bottom of the acid preparation kettle I1 is connected with the top of the acid preparation kettle II 2 through an L-shaped pipeline 6, and stirring devices are disposed on both the acid preparation kettle I1 and the acid preparation kettle II 2.
As a preferable embodiment, a pipeline 6 connecting the bottom of the acid preparation kettle I and the top of the acid preparation kettle II is provided with a communication pipeline 7, one end of the communication pipeline 7 is connected with the pipeline 6, and the other end is communicated with the top of the acid preparation kettle I1. The communicating pipeline 7 can ensure that the pressure of the acid preparation kettle I1 is always the same as that of the acid preparation kettle II 2, and the sulfuric acid solution in the acid preparation kettle I1 automatically flows into the acid preparation kettle II 2 under the action of gravity.
As a preferred embodiment, the acid preparation kettle I1 and the acid preparation kettle II 2 are both jacket type glass lining reaction kettles, and when concentrated sulfuric acid and water are mixed in the acid preparation kettle I1, cooling circulating water can be introduced into a jacket for heat exchange and temperature reduction, so that the boiling phenomenon is prevented; after the dilute sulfuric acid flows into the acid preparation kettle II 2, stirring is continued, and cooling circulating water is introduced into the jacket for heat exchange and temperature reduction.
As a preferred embodiment, the volume of the acid preparation kettle I1 is smaller than that of the acid preparation kettle II 2, and the acid preparation kettle I1 is used as a buffer tank of the acid preparation kettle II 2 to play a role of pre-stirring uniformly; and the mounting position of the acid preparation kettle I1 is higher than that of the acid preparation kettle II 2, so that the sulfuric acid solution in the acid preparation kettle I1 can reach the acid preparation kettle II 2 in a self-flowing mode.
As a preferable embodiment, a liquid level controller is arranged between the acid preparation kettle I1 and the acid preparation kettle II 2, and the liquid levels in the acid preparation kettle I1 and the acid preparation kettle II 2 can be monitored in real time to judge whether concentrated sulfuric acid and water need to be continuously added into the acid preparation kettle I1.
The using method of the continuous acid preparing device comprises the following steps:
s1, adding concentrated sulfuric acid and water into the acid preparation kettle I1 according to a proportion, uniformly stirring, and flowing into the acid preparation kettle II 2 in a self-flowing manner;
s2, continuing to stir the sulfuric acid in the acid preparation kettle II 2, conveying the sulfuric acid in the acid preparation kettle II 2 to a user use point, automatically adding concentrated sulfuric acid and water in a required proportion into the acid preparation kettle I1 through linkage when the liquid level of the sulfuric acid in the acid preparation kettle II 2 is lower than a set value low level, and stopping adding the concentrated sulfuric acid and water into the acid preparation kettle I1 when the liquid level of the sulfuric acid in the acid preparation kettle II 2 is higher than a set value high level.
As a preferable embodiment, the acid preparation kettle I1 and the acid preparation kettle II 2 are jacketed reaction kettles, and cooling circulating water is introduced into jackets of the acid preparation kettle I1 and the acid preparation kettle II 2 to exchange heat in the acid preparation process.
Specifically, referring to fig. 1, the installation height of the acid preparation kettle I1 is higher than that of the acid preparation kettle II 2, and the acid preparation kettle I1 and the acid preparation kettle II 2 are not on the same axis. The top of the acid preparation kettle I1 is connected with a concentrated sulfuric acid input pipe and a production water input pipe, a predetermined amount of concentrated sulfuric acid and water are input into the acid preparation kettle I1 through the concentrated sulfuric acid input pipe and the production water input pipe, a stirring paddle in the acid preparation kettle I1 stirs the concentrated sulfuric acid and the water to be premixed, simultaneously, cooling circulating water is introduced into a jacket of the acid preparation kettle I1 to take away heat generated during the dilution of concentrated sulfuric acid and prevent boiling, the mixed dilute sulfuric acid automatically flows into an acid preparation kettle II 2 through a dilute sulfuric acid outlet at the bottom of the acid preparation kettle I1 and an L-shaped pipeline, continue to stir dilute sulphuric acid in acid preparation cauldron II 2, continue to cool down dilute sulphuric acid through the cooling circulation water in acid preparation cauldron II 2 jacket simultaneously, the bottom of acid preparation cauldron II 2 is passed through the pipeline and is linked together with ammonium sulfate circulating line 4, and dilute sulphuric acid in the acid preparation cauldron II 2 is carried to the pipeline mixer 5 of ammonium sulfate circulating line 4 through delivery pump 3. A liquid level controller is arranged between the acid preparation kettle II 2 and the acid preparation kettle I1, in the process of conveying dilute sulfuric acid to the ammonium sulfate circulating pipeline 4 by the acid preparation kettle II 2, if the sulfuric acid liquid level in the acid preparation kettle II 2 is monitored to be lower than a set value, concentrated sulfuric acid and water in required proportion are automatically added into the acid preparation kettle I1 through linkage, and when the sulfuric acid liquid level in the acid preparation kettle II 2 is higher than a set value, the concentrated sulfuric acid and the water are stopped being added into the acid preparation kettle I1.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (4)
1. A continuous acid preparing device is characterized by comprising: the bottom of the acid preparation kettle I is higher than the top of the acid preparation kettle II, the bottom of the acid preparation kettle I is connected with the top of the acid preparation kettle II through a pipeline, and stirring devices are arranged on the acid preparation kettle I and the acid preparation kettle II; and a communicating pipeline is arranged on a pipeline connecting the bottom of the acid preparation kettle I and the top of the acid preparation kettle II, one end of the communicating pipeline is connected with the pipeline, and the other end of the communicating pipeline is communicated with the top of the acid preparation kettle I.
2. The continuous acid preparation device according to claim 1, wherein the acid preparation kettle I and the acid preparation kettle II are jacketed glass-lined reaction kettles.
3. The continuous acid preparing device of claim 1, wherein the volume of the acid preparing kettle I is smaller than that of the acid preparing kettle II.
4. The continuous acid preparing device of claim 1, wherein a liquid level controller is arranged between the acid preparing kettle I and the acid preparing kettle II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122237869.6U CN216726994U (en) | 2021-09-15 | 2021-09-15 | Continuous acid preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122237869.6U CN216726994U (en) | 2021-09-15 | 2021-09-15 | Continuous acid preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216726994U true CN216726994U (en) | 2022-06-14 |
Family
ID=81908857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122237869.6U Active CN216726994U (en) | 2021-09-15 | 2021-09-15 | Continuous acid preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216726994U (en) |
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2021
- 2021-09-15 CN CN202122237869.6U patent/CN216726994U/en active Active
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