CN210674974U - Secondary liquid caustic soda filters stirred tank - Google Patents
Secondary liquid caustic soda filters stirred tank Download PDFInfo
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- CN210674974U CN210674974U CN201921096975.3U CN201921096975U CN210674974U CN 210674974 U CN210674974 U CN 210674974U CN 201921096975 U CN201921096975 U CN 201921096975U CN 210674974 U CN210674974 U CN 210674974U
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Abstract
A secondary liquid caustic soda filtering stirring kettle relates to the technical field of chemical production equipment, and comprises a filtering stirring kettle body, wherein a filter cavity is arranged in the filtering stirring kettle body, the bottom of the filter cavity is connected with a motor arranged at the bottom of the filtering stirring kettle body, a plurality of filter holes are arranged on the side wall of the filter cavity, a one-way filter screen is arranged in each filter hole, a liquid inlet pipe is communicated with the top of the filter cavity, the liquid inlet pipe is arranged in the filter cavity into a plurality of liquid spray pipes, a liquid spray device is arranged at the position, close to the inner wall of the filter cavity, of the side wall of each liquid spray pipe, and a stirring paddle is also connected on the outer side wall of the filter cavity. Increasing the effectiveness and efficiency of absorption.
Description
Technical Field
The utility model relates to a chemical production equips technical field, especially relates to a secondary liquid caustic soda filters stirred tank.
Background
The factory often can produce virulent gaseous hydrogen sulfide when carrying out synthetic reaction and producing, and hydrogen sulfide is a gas that has smelly egg smell, has the virulent, when hydrogen sulfide concentration reaches 0.34mg/L in the air, can cause adult's acute poisoning and die, consequently, for complying with green safety in production, need carry out alkali absorption to hydrogen sulfide according to the national standard, prevents that hydrogen sulfide from polluting the environment, or leads to the emergence of more serious production accident. At present, in the production process of a factory, in order to save the consumption of liquid caustic soda, the liquid caustic soda after absorbing hydrogen sulfide is often recycled, collected into a specific secondary liquid caustic soda stirring tank and used for absorbing hydrogen sulfide again, because a lot of solid impurities exist in the secondary liquid caustic soda, when the hydrogen sulfide and alkali such as sodium hydroxide and the like act, sodium sulfide is generated through reaction, but the sodium sulfide is easy to crystallize and block pipelines and the like, the continuous absorption of the hydrogen sulfide is easily influenced, the absorption effect and efficiency can be greatly reduced, and the service life of equipment can be influenced, so that the secondary liquid caustic soda recovered into the secondary liquid caustic soda stirring tank cannot be directly used for absorbing the hydrogen sulfide.
For example, a "chemical product stirring kettle" disclosed in the Chinese patent document, the publication No. CN207169583U, it discloses a stirring kettle for chemical products, which comprises a stirring kettle body, wherein cavities are arranged at two ends of the bottom of the stirring kettle body, a second motor is arranged at the bottom of the stirring kettle body, a speed reducer is arranged at the top end of the stirring kettle body relative to the second motor, the top end of the speed reducer is fixedly connected with a first motor, the middle of the speed reducer is provided with a transmission rod, the transmission rod is fixedly connected with a rotating blade, both sides of the inner wall of the top of the stirring kettle body are provided with baffles, the upper parts of the inner walls of the two sides of the stirring kettle body are fixedly welded with material storage tables, one end of the telescopic rod far away from the motor is connected with a push plate through a bolt, the inner walls of the two sides of the stirring kettle body are provided with vent pipes, and one ends of the vent pipes are connected with air pumps. The utility model discloses a make when feeding in raw material to stirred tank, attach on taking the stirring liquid level through the storage platform earlier for can the stirring, stirring effect is good. But the utility model does not have the function of filtering the liquid in the kettle, can not remove solid impurities such as sodium sulfide in the secondary liquid caustic soda, and is not suitable for storing the secondary liquid caustic soda.
Disclosure of Invention
The utility model relates to an overcome the secondary caustic soda liquid of present mill recovery owing to have a lot of solid impurity, or sodium sulfide crystallization very easily blocks up the pipeline, influences hydrogen sulfide's continuous absorption easily, and absorptive effect and efficiency also can largely discount the scheduling problem, have provided an inside caustic soda liquid that is equipped with the filter chamber and have filtered stirred tank.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a secondary liquid caustic soda filters stirred tank, includes filters stirred tank body, the inside filter chamber that is equipped with of filtration stirred tank body, the bottom of filter chamber is connected with the motor of locating filtration stirred tank body bottom, is equipped with a plurality of filtration pores on the lateral wall of filter chamber, the filtration pore is equipped with one-way filter screen through being equipped with, and it has the feed liquor pipe to link up at the filter chamber top, the feed liquor pipe is established to a plurality of spray lines in the filter chamber, the spray line lateral wall is equipped with the hydrojet device by filter chamber inner wall department, still be connected with the stirring rake on the lateral wall of filter chamber.
The utility model discloses this internal filter chamber that has set up alone of stirred tank has been filtered to it mainly used, and its solid impurity in filtering secondary liquid caustic soda or the sodium sulfide that the crystallization was appeared purify secondary liquid caustic soda, prevent that solid impurity or crystallization from appearing's sodium sulfide influence its when secondary liquid caustic soda absorbs hydrogen sulfide gas and last the absorptivity, increase absorptive effect and efficiency. Wherein, it has the feed liquor pipe to link up at the top of filter chamber, therefore secondary liquid caustic soda can get into the filter chamber through the feed liquor pipe, because the bottom of filter chamber is connected with the motor of locating filtration stirred tank body bottom, consequently, can drive the filter chamber fast turn-round behind the starter motor, again because be equipped with a plurality of filtration pores on the lateral wall of filter chamber, the filtration pore is through being equipped with one-way filter screen, under the effect of centrifugal force and gravity, secondary liquid caustic soda in the filter chamber passes through filtration purification and gets into and filters stirred tank body, and solid impurity in the secondary liquid caustic soda and the sodium sulfide crystal etc. of appearing still exist in the filter chamber and wait for the recovery.
The inventor discovers after a large amount of experiments that solid impurities and precipitated sodium sulfide crystals in secondary caustic soda are more, and discovers that a plurality of solid impurities and sodium sulfide crystals can attach to the unidirectional filter net to block the meshes of the unidirectional filter net and influence the filtration of secondary caustic soda in the filter cavity during filtration, so that the utility model divides the secondary caustic soda into a plurality of liquid spraying pipes after a liquid inlet pipe enters the filter cavity, and a liquid spraying device is arranged on the side wall of the liquid spraying pipe close to the inner wall of the filter cavity, when the secondary caustic soda enters the filter cavity through the liquid inlet pipe, the secondary caustic soda can be divided into a plurality of liquid spraying pipes and sprayed out from the liquid spraying device, and during filtration, the secondary caustic soda sprayed out from the liquid spraying device can give an impact force to the unidirectional filter net, so that the solid impurities and the sodium sulfide crystals attached to the unidirectional filter net can be washed away, prevent that it from plugging up one-way filter screen, and then increased filterable efficiency for the filter effect is better. And because the filter cavity is in a rotating state and the liquid spraying pipe is in a static state during filtering, the liquid spraying device on the liquid spraying pipe can wash the one-way filter screen in the whole filter cavity without dead angles.
Finally, the utility model discloses still be connected with the stirring rake on the lateral wall of filter chamber, when the filter chamber is rotatory, the stirring rake also can follow the rotation for secondary liquid caustic soda concentration after filtering purification in filtering the stirred tank body keeps even.
Preferably, the liquid spraying device is of a T-shaped structure comprising a connecting pipe and a liquid spraying column, the connecting pipe is communicated with the liquid spraying pipe, and the liquid spraying column is provided with a liquid spraying port, the liquid spraying direction of which is opposite to the rotation direction of the filter cavity.
For the T shape structure including connecting pipe and hydrojet post on the hydrojet device, on the hydrojet post was located to the hydrojet mouth, when save material, also made the hydrojet area maximize to, the hydrojet direction and the filter chamber direction of rotation of hydrojet mouth are opposite, consequently when the filter chamber spin filtration, can more effectually play the effect that the hydrojet washed to one-way filter screen, and solid impurity and sodium sulfide crystallization can be washed away by more easily, improve the filter effect.
Preferably, the stirring paddle is in a V-shaped structure with an upward opening.
The stirring rake is the ascending V-arrangement structure of opening, is favorable to the stirring rake to compromise more regions, can better must play the effect of stirring for secondary mother liquor concentration after the filtration purification is more even, makes the sample detection after more accurate.
Preferably, the stirring rake includes connecting rod and puddler, the connecting rod is connected with the lateral wall of filter chamber, and its upper portion be equipped with can be in the spout gliding location slider with be located the spout on with puddler cross-section complex regulation hole, the puddler is inserted and is located in the regulation hole to fix through inserting the locating hole that link up the setting with the location slider.
The stirring rake includes connecting rod and puddler, when installing and use, the location slider on connecting rod upper portion slides to one side of spout earlier, then insert the puddler and locate in the regulation hole, insert the locating hole on the puddler along the spout with the location slider again, be used for fixing the puddler to the connecting rod on, and, be equipped with a plurality of locating holes on the puddler, therefore, the puddler can be adjusted in inserting different locating holes according to the location slider with the relative position of connecting rod, when using, can be according to the concentration of secondary liquid caustic soda, adjust the upper and lower position of puddler, make the puddler can stir the secondary liquid caustic soda in different regions, guarantee the even of secondary liquid caustic soda concentration.
Preferably, the positioning slide block is of an I-shaped structure with the upper surface and the lower surface both being arc-shaped, and the length of the positioning slide block is greater than that of the adjusting hole.
The positioning slide block is of an 'I' -shaped structure with the upper surface and the lower surface both being arc-shaped, so that the positioning slide block can be better matched with the sliding groove and can be firmly fixed in the sliding groove without sliding, and the length of the positioning slide block is greater than that of the adjusting hole, so that a part of the positioning slide block is exposed out of the positioning hole for fixing after being inserted into the positioning hole.
Preferably, a liquid inlet pump is arranged on the liquid inlet pipe.
Set up the feed liquor pump on the feed liquor pipe, can make secondary liquid caustic soda can get into the filter chamber faster, improve filtration efficiency to also can make the spout liquid mouthful spun secondary liquid caustic soda velocity of flow faster, it is better to wash the effect of impurity on the one-way filter screen.
Preferably, a pH detector is arranged at the bottom in the filtering and stirring kettle body.
The pH detector is used for detecting the pH value of secondary liquid caustic soda in the filtering and stirring kettle body after filtering evolution, and is used for absorbing hydrogen sulfide when the pH value meets the requirement.
Preferably, a water inlet pipe is arranged at the top of the filtering and stirring kettle body.
When the pH value of the secondary liquid caustic soda after filtering evolution in the filtering stirring kettle body does not reach the standard, water or alkali is added into the water inlet pipe arranged at the top of the filtering stirring kettle body, so that the pH value of the secondary liquid caustic soda after filtering evolution is adjusted.
Therefore, the utility model discloses following beneficial effect has: (1) the filtering cavity connected with the bottom motor is arranged in the filtering and stirring kettle body, and the liquid spraying device is arranged in the filtering cavity to wash the one-way filter screen, so that solid impurities in the secondary liquid caustic soda or crystallized sodium sulfide can be better filtered by the filtering cavity, the secondary liquid caustic soda is purified, the continuous absorbability of the solid impurities or crystallized sodium sulfide is prevented from being influenced when the secondary liquid caustic soda absorbs hydrogen sulfide gas, and the absorption effect and efficiency are improved; (2) when the stirring rod is used, the upper position and the lower position of the stirring rod can be adjusted according to the concentration of the secondary liquid caustic soda, so that the stirring rod can stir the secondary liquid caustic soda in different areas, and the uniformity of the concentration of the secondary liquid caustic soda is ensured; (3) the utility model discloses equipment structure is simple, and convenient operation collects and filters stirring stock solution in an organic whole, sparingly produces area, is fit for the industrial use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the structure in the filter chamber of the present invention.
Fig. 3 is a schematic structural view of the liquid spraying device of the present invention.
Fig. 4 is a schematic side structure view of the stirring paddle of the present invention.
Fig. 5 is a schematic view of the upper surface structure of the connecting rod of the present invention.
Fig. 6 is a schematic view of the cross-sectional structure of the connecting rod of the present invention.
In the figure: the device comprises a filtering and stirring kettle body 1, a filter cavity 2, a motor 3, a liquid inlet pipe 4, a filter hole 5, a one-way filter screen 51, a liquid spraying pipe 6, a liquid spraying device 7, a connecting pipe 71, a liquid spraying column 72, a liquid spraying port 73, a stirring paddle 8, a connecting rod 81, a stirring rod 82, a sliding groove 83, a positioning sliding block 84, a positioning hole 85, an adjusting hole 86, a liquid inlet pump 9, a pH detector 10 and a water inlet pipe 11.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example (b): as shown in figure 1, a secondary liquid caustic soda filtering and stirring kettle comprises a filtering and stirring kettle body 1, wherein a pH detector 10 is arranged at the bottom in the filtering and stirring kettle body 1, a water inlet pipe 11 is arranged at the top of the filtering and stirring kettle body 1, a filtering cavity 2 is arranged in the filtering and stirring kettle body 1, the bottom of the filtering cavity 2 is connected with a motor 3 arranged at the bottom of the filtering and stirring kettle body 1, a plurality of filtering holes 5 are arranged on the side wall of the filtering cavity 2, a one-way filtering net 51 is arranged in each filtering hole 5, a liquid inlet pipe 4 is communicated with the top of the filtering cavity 2, a liquid inlet pump 9 is arranged on each liquid inlet pipe 4, as shown in figures 2-3, the liquid inlet pipe 4 is arranged into a plurality of liquid spraying pipes 6 in the filtering cavity 2, a liquid spraying device 7 is arranged on the side wall of each liquid spraying pipe 6 close to the inner wall of the filtering cavity 2, the liquid spraying device 7, the liquid spraying column 72 is provided with a liquid spraying port 73 with the liquid spraying direction opposite to the rotation direction of the filter cavity 2; the outer side wall of the filter cavity 2 is further connected with a stirring paddle 8 which is of a V-shaped structure with an upward opening, as shown in fig. 1 and 4, the stirring paddle 8 comprises a connecting rod 81 and a stirring rod 82, the connecting rod 81 is connected with the side wall of the filter cavity 2, and as shown in fig. 5-6, a positioning sliding block 84 which can slide in a sliding groove 83 and an adjusting hole 86 which is positioned on the sliding groove 83 and matched with the cross section of the stirring rod 82 are arranged at the upper part of the stirring paddle 8, the positioning sliding block 84 is of an H-shaped structure with an upper surface and a lower surface which are both arc-shaped, the length of the positioning sliding block is larger than that of the adjusting hole 86, and the stirring rod 82 is inserted into the adjusting hole 86 and fixed by inserting the.
When the device is used, the liquid inlet pump 9 is opened, the recovered secondary liquid caustic soda firstly enters the filter cavity 2 through the liquid inlet pipe 4, at the moment, the motor 3 arranged at the bottom of the filtering and stirring kettle body 1 is started, the motor 3 drives the filter cavity 2 to rotate and filter, meanwhile, secondary mother liquor is also sprayed out from a liquid spraying port on the liquid spraying device 7, the liquid spraying direction is opposite to the rotating direction of the filter cavity 2, and the device is used for washing the one-way filter screen 51 in the filter hole 5 and preventing solid impurities or crystallized sodium sulfide from attaching to the one-way filter screen; when the filter chamber 2 is rotated, the stirring paddle 8 is also rotated together to be used for stirring the secondary alkali liquor after filtration and purification in the stirring and filtering stirring kettle body 1, and when the stirring device is used, the stirring paddle 8 can adjust the upper and lower positions of the stirring rod 82 according to the concentration of the secondary alkali liquor, so that the stirring rod 82 can stir the secondary alkali liquor in different areas, and the uniformity of the concentration of the secondary alkali liquor is ensured. After filtering completely and the stirring, adopt the pH value that the pH detector detected secondary alkali lye behind the filtration purification, when pH value not reach standard, the inlet tube that the 1 top of accessible filtration stirred tank body set up is toward adding water or adding alkali for adjust the pH value of filtering secondary alkali lye behind the evolution, after finishing adjusting, continuously stir for reserve.
Claims (8)
1. The utility model provides a secondary liquid caustic soda filters stirred tank, a serial communication port, including filtering stirred tank body (1), filter stirred tank body (1) inside filter chamber (2) that is equipped with, the bottom of filter chamber (2) is connected with motor (3) of locating filtration stirred tank body (1) bottom, is equipped with a plurality of filtration pores (5) on the lateral wall of filter chamber (2), be equipped with one-way filter screen (51) in filter pore (5) are through being equipped with, and filter chamber (2) top is link up there is feed liquor pipe (4), feed liquor pipe (4) are established to a plurality of hydrojet pipes (6) in filter chamber (2), hydrojet pipe (6) lateral wall leans on filter chamber (2) inner wall department to be equipped with hydrojet device (7), still be connected with stirring rake (8) on the lateral wall of filter chamber (2).
2. The secondary caustic soda filtering and stirring kettle as claimed in claim 1, wherein the liquid spraying device (7) is a T-shaped structure comprising a connecting pipe (71) and a liquid spraying column (72), the connecting pipe (71) is communicated with the liquid spraying pipe (6), and the liquid spraying column (72) is provided with a liquid spraying port (73) with a liquid spraying direction opposite to the rotation direction of the filter cavity (2).
3. A secondary caustic soda liquid filtration stirred tank as claimed in claim 1, wherein said paddle (8) is of a V-shaped configuration with an upward opening.
4. The secondary liquid caustic soda filtering stirring kettle according to any one of claims 1 to 3, wherein the stirring paddle (8) comprises a connecting rod (81) and a stirring rod (82), the connecting rod (81) is connected with the side wall of the filtering cavity (2), a positioning sliding block (84) capable of sliding in the sliding groove (83) and an adjusting hole (86) located on the sliding groove (83) and matched with the cross section of the stirring rod (82) are arranged at the upper part of the connecting rod, the stirring rod (82) is inserted into the adjusting hole (86), and the stirring rod is fixed by inserting the positioning sliding block (84) into a positioning hole (85) which is arranged in a penetrating manner.
5. The secondary liquid caustic soda filtering stirring kettle as recited in claim 4, wherein the positioning slide block (84) is of an I-shaped structure with the upper and lower surfaces being arc-shaped, and the length of the positioning slide block is greater than that of the adjusting hole (86).
6. A secondary liquid caustic soda filtering stirring kettle as claimed in any one of claims 1 to 3, wherein a liquid inlet pump (9) is arranged on the liquid inlet pipe (4).
7. The secondary liquid caustic soda filtering stirring kettle according to any one of claims 1 to 3, characterized in that a pH detector (10) is arranged at the bottom inside the filtering stirring kettle body (1).
8. The secondary liquid caustic soda filtering stirring kettle according to any one of claims 1 to 3, wherein a water inlet pipe (11) is arranged at the top of the filtering stirring kettle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096975.3U CN210674974U (en) | 2019-07-12 | 2019-07-12 | Secondary liquid caustic soda filters stirred tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096975.3U CN210674974U (en) | 2019-07-12 | 2019-07-12 | Secondary liquid caustic soda filters stirred tank |
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| Publication Number | Publication Date |
|---|---|
| CN210674974U true CN210674974U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921096975.3U Active CN210674974U (en) | 2019-07-12 | 2019-07-12 | Secondary liquid caustic soda filters stirred tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116269A (en) * | 2023-04-04 | 2023-05-16 | 喜跃发国际环保新材料股份有限公司 | Processing technology and processing system of joint tape |
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2019
- 2019-07-12 CN CN201921096975.3U patent/CN210674974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116116269A (en) * | 2023-04-04 | 2023-05-16 | 喜跃发国际环保新材料股份有限公司 | Processing technology and processing system of joint tape |
| CN116116269B (en) * | 2023-04-04 | 2023-06-27 | 喜跃发国际环保新材料股份有限公司 | Processing technology and processing system of joint tape |
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