CN214327183U - High chlorine radical mixed wastewater cooling crystallization treatment device - Google Patents
High chlorine radical mixed wastewater cooling crystallization treatment device Download PDFInfo
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- CN214327183U CN214327183U CN202022926632.4U CN202022926632U CN214327183U CN 214327183 U CN214327183 U CN 214327183U CN 202022926632 U CN202022926632 U CN 202022926632U CN 214327183 U CN214327183 U CN 214327183U
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Abstract
The utility model relates to a mixed waste water treatment technical field of high chlorine root is a mixed waste water cooling crystallization processing apparatus of high chlorine root, including buffer tank, cooling crystallization kettle and agitator, the fixed intercommunication in upper portion import of buffer tank has first pipeline, and the top fixed mounting of buffer tank has the level gauge, and the middle part fixed mounting of buffer tank has first thermometer, and fixed intercommunication has the second pipeline between the export of the lower part of buffer tank and the top import of cooling crystallization kettle. The utility model discloses an utilize the principle that various miscellaneous salt in the mixed waste water of high chlorine root solubility reduces the dissolved quantity decline along with the temperature under the different temperatures, its rational in infrastructure and compact, convenient to use can realize the cooling crystallization of the mixed waste water of high chlorine root in chlor-alkali production, reaches the waste water zero release, has safety, laborsaving, simple and convenient, efficient characteristics.
Description
Technical Field
The utility model relates to a high chlorine root mixes waste water treatment technical field, is a high chlorine root mixes waste water cooling crystallization processing apparatus.
Background
At present, in the domestic chlor-alkali industry, chlorine-containing compounds are mostly adopted as raw materials or intermediate reaction materials, and waste liquid after chemical reaction has high salt content, high chloride content and high COD and total phosphorus in the waste water due to sulfite and phosphite which are not completely oxidized. Enterprises relating to chlor-alkali production are all keenly researching methods for reducing high-chlorine mixed wastewater to reach the discharge standard and realize zero discharge. Because the industry related to chlor-alkali chemical industry is rapidly developed to meet the requirement of market economic development and meet the use requirement of the existing raw materials, the invention of a new treatment method for the high-chlorine-root mixed wastewater is needed to ensure that the high-chlorine-root mixed wastewater reaches the standard and is discharged or has zero discharge.
The dissolved mass of the salt in a quantitative solvent reaches a saturated state, namely the solubility, when the temperature is 60 ℃, the solubility of the mixed salt can reach 80mg/l to 100mg/l, and when the solubility is reduced to 30mg/l to 40mg/l after the temperature is reduced, the aim of crystallizing and separating 50mg to 60mg of the mixed salt from the solution is fulfilled.
Disclosure of Invention
The utility model provides a high chlorine root mixed wastewater cooling crystallization processing apparatus has overcome above-mentioned prior art not enough, and it can effectively solve the problem that high chlorine root mixed wastewater cooling crystallization and emission.
The technical scheme of the utility model is realized through following measure: the utility model provides a mixed waste water cooling crystallization processing apparatus of high chlorine root, including the buffer tank, cooling crystallization kettle and agitator, the fixed intercommunication in upper portion import of buffer tank has first pipeline, the top fixed mounting of buffer tank has the level gauge, the middle part fixed mounting of buffer tank has first thermometer, fixed intercommunication has the second pipeline between the lower part export of buffer tank and the top import of cooling crystallization kettle, it has the third pipeline to connect in parallel on the second pipeline, fixed mounting has the agitator in the cooling crystallization kettle, the fixed intercommunication in bottom export of cooling crystallization kettle has discharge line.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the stirrer comprises a stirring shaft, a stirring frame, an upper blade and a lower blade, wherein the stirring shaft penetrates through the center of a kettle cover of the cooling crystallization kettle, an upper fixed point and a lower fixed point are arranged at the lower part of the stirring shaft, the upper fixed point and the lower fixed point are respectively used for fixing the top and the bottom of the stirring frame, and the upper blade and the lower blade are sequentially and fixedly arranged on the stirring shaft between the upper fixed point and the lower fixed point from top to bottom.
The included angle between the upper paddle and the stirring shaft is 60 degrees, and the included angle between the lower paddle and the stirring shaft is 120 degrees.
The conveying pump is fixedly mounted on the second conveying pipeline between the outlet of the lower portion of the buffer tank and the inlet of the third conveying pipeline, the flowmeter is fixedly mounted on the second conveying pipeline between the outlet of the third conveying pipeline and the inlet of the cooling crystallization kettle, the first valve, the regulating valve and the third valve are sequentially and fixedly mounted on the second conveying pipeline between the inlet of the third conveying pipeline and the outlet from left to right, and the second valve is fixedly mounted on the third conveying pipeline.
And a first guide shower valve, a sampling valve, a discharge valve and a second guide shower valve are sequentially and fixedly arranged on the discharge pipeline from top to bottom.
And a third guide shower valve is fixedly installed on a second delivery line between the lower outlet of the buffer tank and the delivery pump, and a fourth guide shower valve is fixedly installed on the second delivery line between the delivery pump and the inlet of the third delivery line.
The outer wall of the cooling crystallization kettle is provided with a jacket, the outer wall of the lower part of the jacket is fixedly communicated with a circulating water inlet pipeline, and the outer wall of the upper part of the jacket is fixedly communicated with a circulating water outlet pipeline.
And a second thermometer, a fourth thermometer and a third thermometer are respectively and fixedly arranged at the top, the middle and the lower part of the cooling crystallization kettle body.
The utility model discloses an utilize the principle that various miscellaneous salt in the mixed waste water of high chlorine root solubility reduces the dissolved quantity decline along with the temperature under the different temperatures, its rational in infrastructure and compact, convenient to use can realize the cooling crystallization of the mixed waste water of high chlorine root in chlor-alkali production, reaches the waste water zero release, has safety, laborsaving, simple and convenient, efficient characteristics.
Drawings
FIG. 1 is a process flow diagram of the present invention.
The codes in the figures are respectively: 1 is a buffer tank, 2 is a cooling crystallization kettle, 3 is a stirrer, 4 is a delivery pump, 5 is a first delivery pipeline, 6 is a second delivery pipeline, 7 is a circulating water outlet pipeline, 8 is a stirring frame, 9 is an upper paddle, 10 is a lower paddle, 11 is a circulating water inlet pipeline, 12 is a discharge pipeline, 13 is a discharge valve, 14 is a sampling valve, 15 is a first shower valve, 16 is a second shower valve, 17 is a liquid level meter, 18 is a first thermometer, 19 is a flowmeter, 20 is a second thermometer, 21 is a third thermometer, 22 is a fourth thermometer, 23 is a third shower valve, 24 is a fourth shower valve, 25 is a first valve, 26 is a second valve, 27 is a regulating valve, 28 is a third valve, 29 is a stirring shaft, 30 is an upper fixed point, 31 is a lower fixed point, 32 is a third delivery pipeline, and 33 is a jacket.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawing 1, this high chlorine root mixed wastewater cooling crystallization processing apparatus, including buffer tank 1, cooling crystallization kettle 2 and agitator 3, the fixed intercommunication of upper portion import of buffer tank 1 has first pipeline 5, the top fixed mounting of buffer tank 1 has level gauge 17, the middle part fixed mounting of buffer tank 1 has first thermometer 18, fixed intercommunication has second pipeline 6 between the lower part export of buffer tank 1 and the top import of cooling crystallization kettle 2, it has third pipeline 32 to go up the parallel connection on the second pipeline 6, fixed mounting has agitator 3 in the cooling crystallization kettle 2, the fixed intercommunication of bottom export of cooling crystallization kettle 2 has discharge line 12.
According to the needs, the valve position opening of governing valve 27 and high chlorine root waste water buffer tank 1 liquid level form the automatic control return circuit that interlocks, and when buffer tank 1 liquid level was high, governing valve 27 opened, and when buffer tank 1 liquid level was low, governing valve 27 closed. The third transfer line 32 is designed primarily to ensure continuous operation of the production in the event of a malfunction or repair of the regulating valve 27.
As shown in the attached figure 1, the stirrer 3 comprises a stirring shaft 29, a stirring frame 8, an upper blade 9 and a lower blade 10, the stirring shaft 29 penetrates through the center of the cover of the cooling crystallization kettle 2, an upper fixed point 30 and a lower fixed point 31 are arranged at the lower part of the stirring shaft 29, the upper fixed point 30 and the lower fixed point 31 are respectively fixed at the top and the bottom of the stirring frame 8, and the upper blade 9 and the lower blade 10 are sequentially and fixedly installed on the stirring shaft 29 between the upper fixed point 30 and the lower fixed point 31 from top to bottom. Because mixed salt is very easily cooled and is separated out and then forms the crystal on the inner wall of the cooling crystallization kettle 2, the heat exchange of the cooling crystallization kettle 2 is influenced, the distance between the stirring frame 8 in the cooling crystallization kettle 2 and the inner wall of the cooling crystallization kettle 2 can be 0.5cm, the effect of a scraper can be formed when the medium is stirred, and the crystal attached to the inner wall is cleaned.
As shown in fig. 1, the included angle between the upper blade 9 and the stirring shaft 29 is 60 °, and the included angle between the lower blade 10 and the stirring shaft 29 is 120 °.
As shown in fig. 1, a delivery pump 4 is fixedly installed on the second delivery line 6 between the lower outlet of the buffer tank 1 and the inlet of the third delivery line 32, a flow meter 19 is fixedly installed on the second delivery line 6 between the outlet of the third delivery line 32 and the inlet of the cooling crystallizer 2, a first valve 25, a regulating valve 27 and a third valve 28 are fixedly installed on the second delivery line 6 between the inlet and the outlet of the third delivery line 32 from left to right, and a second valve 26 is fixedly installed on the third delivery line 32.
As shown in fig. 1, a first pilot valve 15, a sampling valve 14, a discharge valve 13 and a second pilot valve 16 are fixedly installed on the discharge pipeline 12 from top to bottom in sequence. The crystallized salt separated out after cooling settles to the bottom of the cooling crystallization kettle 2 through natural precipitation in the cooling crystallization kettle 2, and then is discharged and collected through a discharge pipeline 12. The sampling valve 14 is used for taking a water sample in the cooling crystallization kettle 2. The first guiding and leaching valve 15 can be connected with washing water, the washing water can be controlled and adjusted through a manual valve and an automatic valve, and the first guiding and leaching valve 15 mainly prevents the bottom outlet of the cooling crystallization kettle 2 from being blocked. Second pilot valve 16 primarily flushes discharge line 12 to prevent plugging.
As shown in fig. 1, a third curtain guide valve 23 is fixedly installed on the second conveying pipeline 6 between the lower outlet of the buffer tank 1 and the conveying pump 4, and a fourth curtain guide valve 24 is fixedly installed on the second conveying pipeline 6 between the conveying pump 4 and the inlet of the third conveying pipeline 32. The third guiding and leaching valve 23 is mainly used for ensuring that the second conveying pipeline 6 between the lower outlet of the buffer tank 1 and the inlet of the conveying pump 4 is not blocked by crystallization, and the fourth guiding and leaching valve 24 is mainly used for ensuring that the second conveying pipeline 6 between the outlet of the conveying pump 4 and the cooling crystallization kettle 2 is not blocked by crystallization.
As shown in the attached figure 1, the outer wall of the cooling crystallization kettle 2 is provided with a jacket 33, the outer wall of the lower part of the jacket 33 is fixedly communicated with a circulating water inlet pipeline 11, and the outer wall of the upper part of the jacket 33 is fixedly communicated with a circulating water outlet pipeline 7. According to the requirement, the temperature of the high chlorine radical mixed wastewater entering the cooling crystallization kettle 2 is not less than 45 ℃, preferably, the temperature is 45-55 ℃, and the inlet temperature of the circulating water is 0-25 ℃, preferably, 20-25 ℃. The temperature of the solution in the jacket 33 is lower than 25 ℃, and the solution mainly exchanges heat with the liquid in the cooling crystallization kettle 2.
As shown in the attached figure 1, a second thermometer 20, a fourth thermometer 22 and a third thermometer 21 are respectively and fixedly arranged at the top, the middle and the lower part of the kettle body of the cooling crystallization kettle 2. The high chlorine wastewater has a high specific gravity, is easy to generate upper and lower temperature stratification, and is required to ensure that the temperatures of the upper, middle and lower layers in the cooling crystallization kettle 2 reach below 25 ℃, so that a second thermometer 20, a third thermometer 21 and a fourth thermometer 22 are installed for monitoring.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
The utility model discloses a method of use carries out according to following method: high-chlorine-root wastewater enters a buffer tank 1 through a first conveying pipeline 5 for collection and buffering, and the collected high-chlorine-root wastewater enters a cooling crystallization kettle 2 through a second conveying pipeline 6 through a conveying pump 4 at the bottom of the buffer tank 1; when the liquid level of the high-chlorine-content wastewater in the cooling crystallization kettle 2 submerges the lower edge of the stirring frame 8, starting the stirring frame 8, simultaneously opening a circulating water inlet valve at the bottom of the cooling crystallization kettle 2 and a water return valve of the cooling crystallization kettle 2, cooling the cooling crystallization kettle 2 by circulating water, and simultaneously mixing and stirring the high-chlorine-content wastewater in the kettle along with the rotation of the upper blade 9 and the lower blade 10 on the stirring shaft 29; high chlorine root wastewater can be continuously fed into the cooling crystallization kettle 2 from the buffer tank 1 while stirring and cooling are carried out, and when the temperature detection temperatures of the upper part and the lower part of the cooling crystallization kettle 2 are both lower than 25 ℃, circulating water is continuously fed for cooling and stirring; when the whole temperature of the cooling crystallization kettle 2 is reduced to 25 ℃, sampling is carried out through a sampling valve 14, after obvious crystals are taken out of the solution, a discharge valve 13 is opened for discharging; in the running process of the device, the flushing and water plugging can be properly started, so that pipelines and equipment are prevented from being plugged after the concentration of the crystal salt is high.
Claims (10)
1. The utility model provides a mixed waste water cooling crystallization processing apparatus of high chlorine root, a serial communication port includes the buffer tank, cooling crystallization kettle and agitator, the fixed intercommunication in upper portion import of buffer tank has first pipeline, the top fixed mounting of buffer tank has the level gauge, the middle part fixed mounting of buffer tank has first thermometer, fixed intercommunication has the second pipeline between the lower part export of buffer tank and the top import of cooling crystallization kettle, the parallelly connected third pipeline that has on the second pipeline, fixed mounting has the agitator in the cooling crystallization kettle, the fixed intercommunication in bottom export of cooling crystallization kettle has discharge line.
2. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 1, characterized in that the stirrer comprises a stirring shaft, a stirring frame, an upper blade and a lower blade, the stirring shaft penetrates through the center of the kettle cover of the cooling crystallization kettle, the lower part of the stirring shaft is provided with an upper fixed point and a lower fixed point, the upper fixed point and the lower fixed point are respectively fixed on the top and the bottom of the stirring frame, and the upper blade and the lower blade are sequentially and fixedly installed on the stirring shaft between the upper fixed point and the lower fixed point from top to bottom.
3. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 2, characterized in that the included angle between the upper blade and the stirring shaft is 60 °, and the included angle between the lower blade and the stirring shaft is 120 °.
4. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 1, 2 or 3, characterized in that a delivery pump is fixedly installed on the second delivery line between the outlet at the lower part of the buffer tank and the inlet of the third delivery line, a flow meter is fixedly installed on the second delivery line between the outlet of the third delivery line and the inlet of the cooling crystallization kettle, a first valve, a regulating valve and a third valve are fixedly installed on the second delivery line between the inlet and the outlet of the third delivery line from left to right in sequence, and a second valve is fixedly installed on the third delivery line.
5. The high chlorine root mixed wastewater cooling crystallization treatment device according to claim 1, 2 or 3, characterized in that a first pilot shower valve, a sampling valve, a discharge valve and a second pilot shower valve are fixedly installed on the discharge pipeline from top to bottom in sequence.
6. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 4, characterized in that a first pilot shower valve, a sampling valve, a discharge valve and a second pilot shower valve are fixedly installed on the discharge pipeline from top to bottom in sequence.
7. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 1, 2, 3 or 6, characterized in that a third guiding and showering valve is fixedly installed on a second delivery line between the outlet of the lower part of the buffer tank and the delivery pump, and a fourth guiding and showering valve is fixedly installed on the second delivery line between the delivery pump and the inlet of the third delivery line.
8. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 5, characterized in that a third guiding and leaching valve is fixedly installed on the second delivery line between the lower outlet of the buffer tank and the delivery pump, and a fourth guiding and leaching valve is fixedly installed on the second delivery line between the delivery pump and the inlet of the third delivery line.
9. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 1, 2, 3, 6 or 8, characterized in that the outer wall of the cooling crystallization kettle is provided with a jacket, the outer wall of the lower part of the jacket is fixedly communicated with a circulating water inlet pipeline, and the outer wall of the upper part of the jacket is fixedly communicated with a circulating water outlet pipeline.
10. The high chlorine radical mixed wastewater cooling crystallization treatment device according to claim 1, 2, 3, 6 or 8, characterized in that the top, the middle and the lower part of the cooling crystallization kettle body are respectively fixedly provided with a second thermometer, a fourth thermometer and a third thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926632.4U CN214327183U (en) | 2020-12-09 | 2020-12-09 | High chlorine radical mixed wastewater cooling crystallization treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926632.4U CN214327183U (en) | 2020-12-09 | 2020-12-09 | High chlorine radical mixed wastewater cooling crystallization treatment device |
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| Publication Number | Publication Date |
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| CN214327183U true CN214327183U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022926632.4U Active CN214327183U (en) | 2020-12-09 | 2020-12-09 | High chlorine radical mixed wastewater cooling crystallization treatment device |
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| CN (1) | CN214327183U (en) |
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