CN214458234U - Hydrolysis treatment equipment for waste acid sludge containing titanium tetrachloride - Google Patents
Hydrolysis treatment equipment for waste acid sludge containing titanium tetrachloride Download PDFInfo
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- CN214458234U CN214458234U CN202023170566.9U CN202023170566U CN214458234U CN 214458234 U CN214458234 U CN 214458234U CN 202023170566 U CN202023170566 U CN 202023170566U CN 214458234 U CN214458234 U CN 214458234U
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Abstract
The utility model discloses a hydrolysis treatment device for waste acid sludge containing titanium tetrachloride. The equipment comprises a primary hydrolysis system, a secondary hydrolysis system, a hydrolysis supernatant collecting system, a waste acid residue collecting system, a filter pressing system, a hydrolysis supernatant collecting device, a clear water inlet pipe and a waste acid residue feeding device. The equipment is used for carrying out primary hydrolysis and secondary hydrolysis reaction at normal temperature, has high hydrolysis efficiency, high resource recovery rate, low maintenance cost and environmental friendliness, and lays a foundation for further recycling the waste acid residues.
Description
Technical Field
The utility model belongs to the technical field of petrochemical, especially, relate to the recovery of titanium tetrachloride among the industrial production of olefin polymerization catalyst, specifically be a hydrolysis treatment equipment of acid sludge that contains titanium tetrachloride.
Background
Titanium tetrachloride is an important and largely used starting material in the industrial production of olefin polymerization catalysts, which after use produce large quantities of TiCl-containing material4The acid sludge is used. The acid sludge contains a large amount of unreacted titanium tetrachloride and a certain amount of related byproducts such as alkoxy titanium (containing chlorine), ester titanium complex and other organic solvents. Its COD, high chloride ion and Ga2+、Mg2+High Ti ion, very high TDS value, and also contains total phosphorus and soluble silicon, the composition is very complex. This brings great difficulty for enterprises to process the waste acid sludge.
The prior art for treating the waste acid sludge mainly comprises the steps of directly adding lime into the waste acid sludge to neutralize the waste acid sludge to form a large amount of precipitates, then dehydrating and curing the precipitates, and finally filling the precipitates in a landfill. Lime is added for neutralization and then solidification can generate a large amount of solid hazardous waste, the hazardous waste treatment difficulty is very high, and the treatment cost is higher. The solid waste added with lime contains a large amount of titanium tetrachloride, so that resource waste is caused, and the problem to be solved is solved. Most of the existing treatment equipment is equipment surrounding the treatment scheme, such as a filter press, a common distillation tower and the like, and has the defects of low treatment efficiency, difficult resource recovery and high maintenance cost.
Disclosure of Invention
In order to overcome the problems of the prior art, the utility model provides a novel hydrolysis treatment device for carbon tetrachloride-containing acid sludge, and then the final product Ti (OH) after hydrolysis can be obtained4The solution is expected to provide a more preferable scheme for realizing the treatment of the resource amount of the waste acid sludge. The purpose of the utility model is realized like this:
a hydrolysis treatment device for titanium tetrachloride-containing waste acid residues comprises a primary hydrolysis system, a secondary hydrolysis system, a waste acid residue collection system, a filter pressing system, a hydrolysis supernatant collection device, a clear water inlet pipe and a waste acid residue feeding device; the primary hydrolysis system comprises: a primary hydrolysis tank, a primary hydrolysis circulating pump and a primary hydrolysis output pump; the secondary hydrolysis system comprises: a secondary hydrolysis tank, a secondary hydrolysis circulating pump and a secondary hydrolysis output pump; the waste acid sludge collecting system comprises: a sludge tank and a sludge feed pump; the primary hydrolysis tank and the secondary hydrolysis tank are respectively provided with a waste acid residue inlet, a waste acid residue and circulating water outlet, a liquid inlet, a supernatant outlet and a circulating water inlet; a waste acid residue inlet of the primary hydrolysis tank is connected with the waste acid residue feeding device; the liquid inlet of the first-stage hydrolysis tank is connected to the clear water inlet pipe through a branch pipeline, and a water inlet valve of the first-stage hydrolysis tank is arranged on the branch pipeline; the waste acid sludge and circulating water outlet of the first-stage hydrolysis tank is connected to the water inlet end of the first-stage hydrolysis circulating pump through a pipeline, the water outlet end pipeline of the first-stage hydrolysis circulating pump is divided into two branch pipelines which are respectively connected to the circulating water inlet of the first-stage hydrolysis tank and the waste acid sludge inlet of the second-stage hydrolysis tank, wherein the branch pipeline connected with the circulating water inlet of the first-stage hydrolysis tank is provided with a first-stage hydrolysis tank inlet circulating valve, and the branch pipeline connected with the waste acid sludge inlet of the second-stage hydrolysis tank is provided with a first-stage hydrolysis tank outlet discharge valve; a supernatant outlet of the primary hydrolysis tank is connected to a water inlet end of the primary hydrolysis outward-conveying pump, and a water outlet pipeline of the primary hydrolysis outward-conveying pump is connected to a hydrolysis supernatant collecting device; the liquid inlet of the secondary hydrolysis tank is connected to the clear water inlet pipe through a branch pipeline, and a water inlet valve of the secondary hydrolysis tank is arranged on the branch pipeline; the waste acid sludge and circulating water outlet of the second-stage hydrolysis tank is connected to the water inlet end of a second-stage hydrolysis circulating pump through a pipeline, the water outlet end pipeline of the second-stage hydrolysis circulating pump is divided into two branch pipelines which are respectively connected to the circulating water inlet of the second-stage hydrolysis tank and the inlet of the sludge tank, wherein a second-stage hydrolysis tank inlet circulating valve is arranged on the branch pipeline connected with the circulating water inlet of the second-stage hydrolysis tank, and a second-stage hydrolysis tank outlet discharge valve is arranged on the branch pipeline connected with the inlet of the sludge tank; a supernatant outlet of the secondary hydrolysis tank is connected to a water inlet end of the secondary hydrolysis outward-conveying pump, and a water outlet pipeline of the secondary hydrolysis outward-conveying pump is connected to a hydrolysis supernatant collecting device; the export of sludge case passes through the feed end of tube coupling mud feed pump, and the discharge end of mud feed pump passes through tube coupling to filter-pressing system, and filter-pressing system's filtrating discharge line inserts the second grade case of hydrolysising.
In a further preferred aspect, the pressure filtration system comprises: a plate-and-frame filter press, a filtrate water tank and a filtrate water pump; the discharge end tube coupling of mud feed pump is to the feed end of plate and frame filter press, and the play liquid end of plate and frame filter press passes through the import of tube coupling to filtrating water tank, and the export of filtrating water tank passes through the end of intaking of tube coupling to filtrating water pump, and the play water end of filtrating water pump passes through the pipeline and inserts the second grade case of hydrolysising.
Further, the sludge box still is provided with material circulation entry, and the discharge end of mud feed pump has the branch pipeline to be connected to the material circulation entry of sludge box in addition, is provided with sludge pump outlet circulation valve on the discharge end of mud feed pump and the material circulation entry's of sludge box connecting pipeline, is provided with the mud discharge valve on the discharge end of mud feed pump and the connecting pipeline of filter-pressing system.
Further, the liquid outlet of the hydrolysis supernatant collecting device is connected to the liquid inlet end of an output pump, and the liquid outlet end of the output pump is connected to the oxidation catalysis impurity removal system.
The utility model has the advantages and beneficial effects that:
the utility model discloses a hydrolysis equipment carries out work under normal atmospheric temperature and normal pressure, can accomplish the two-stage in proper order and hydrolyze, and it is efficient to hydrolyze, the resource recovery rate is high, the maintenance cost is low, friendly to the environment. Lays a foundation for further recycling the waste acid sludge, and reduces a large amount of burden for the subsequent process treatment process.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view showing the connection of the hydrolysis treatment apparatus as a whole in the example.
FIG. 2 is a process flow diagram of a hydrolysis process using the hydrolysis apparatus of FIG. 1.
Reference numerals: 1-1, a first-stage hydrolysis tank; 1-2, a first-stage hydrolysis circulating pump; 1-3, a first-stage hydrolysis output pump; 1-4. a water inlet valve of a first-stage hydrolysis tank; 1-5, an inlet circulating valve of the first-stage hydrolysis tank; 1-6, outlet discharge valve of first-stage hydrolysis pump; 2-1, a secondary hydrolysis tank; 2-2, a second-stage hydrolysis circulating pump; 2-3, a secondary hydrolysis output pump; 2-4, a water inlet valve of the secondary hydrolysis tank; 2-5, circulating valve at inlet of secondary hydrolysis tank; 2-6, secondary hydrolysis pump outlet discharge valve; 3-1, a sludge box; 3-2, a sludge feeding pump; 3-3, circulating valve of sludge pump outlet; 3-4, a sludge discharge valve; 4-1, plate and frame filter press; 4-2, a filtrate water tank; 4-3, a filtrate water pump; 5. a hydrolysis supernatant collecting device; 6. a clear water inlet pipe; 7. waste acid sludge feeding device. a1. A waste acid residue inlet of the primary hydrolysis tank; a2. a liquid inlet of the first-stage hydrolysis tank; a3. a waste acid sludge and circulating water outlet of the primary hydrolysis tank; a4. a supernatant outlet of the first-stage hydrolysis tank; a5. a circulating water inlet of the first-stage hydrolysis tank; b1. a waste acid residue inlet of the secondary hydrolysis tank; b2. a liquid inlet of the first-stage hydrolysis tank; b3. a waste acid sludge and circulating water outlet of the primary hydrolysis tank; b4. a supernatant outlet of the first-stage hydrolysis tank; b5. a circulating water inlet of the first-stage hydrolysis tank; c1. the material circulation inlet of the sludge box.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1, a hydrolysis treatment device for titanium tetrachloride-containing waste acid sludge comprises a primary hydrolysis system, a secondary hydrolysis system, a waste acid sludge collection system, a filter pressing system, a hydrolysis supernatant collection device 5, a clear water inlet pipe 6 and a waste acid sludge feeding device 7;
the primary hydrolysis system comprises: a primary hydrolysis tank 1-1, a primary hydrolysis circulating pump 1-2 and a primary hydrolysis output pump 1-3; the secondary hydrolysis system comprises: a secondary hydrolysis tank 2-1, a secondary hydrolysis circulating pump 2-2 and a secondary hydrolysis output pump 2-3; the waste acid sludge collecting system comprises: 3-1 of a sludge box and 3-2 of a sludge feed pump;
the primary hydrolysis tank 1-1 and the secondary hydrolysis tank 2-1 are respectively provided with a waste acid residue inlet, a waste acid residue and circulating water outlet, a liquid inlet, a supernatant outlet and a circulating water inlet;
a waste acid sludge inlet a1 (the inlet is arranged on one side above the primary hydrolysis tank) of the primary hydrolysis tank 1-1 is connected with the waste acid sludge feeding device 7 (the device can be a feeding pipe and also can be other automatic or manual feeding devices); a liquid inlet a2 of the first-stage hydrolysis tank 1-1 (the liquid inlet is arranged at the other side above the first-stage hydrolysis tank) is connected to the clean water inlet pipe 6 through a branch pipeline, and a first-stage hydrolysis tank water inlet valve 1-4 is arranged on the branch pipeline; the waste acid sludge and circulating water outlet a3 of the first-stage hydrolysis tank 1-1 (the outlet is arranged below the first-stage hydrolysis tank) is connected to the water inlet end of the first-stage hydrolysis circulating pump 1-2 through a pipeline, the water outlet end pipeline of the first-stage hydrolysis circulating pump 1-2 is divided into two branch pipelines (which can be connected by a tee joint) which are respectively connected to the circulating water inlet a5 of the first-stage hydrolysis tank 1-1 (arranged on the upper part of the side wall of the first-stage hydrolysis tank) and the waste acid sludge inlet b1 of the second-stage hydrolysis tank 2-1 (arranged on one side above the second-stage hydrolysis tank), wherein a branch pipeline connecting the water outlet end of the first-stage hydrolysis circulating pump 1-2 with the circulating water inlet a5 of the first-stage hydrolysis tank 1-1 is provided with a first-stage hydrolysis tank inlet circulating valve 1-5, a branch pipeline connected with the waste acid sludge inlet b1 of the second-stage hydrolysis tank 2-1 is provided with a discharge valve 1-6 of a first-stage hydrolysis pump outlet; a supernatant outlet a4 (arranged at the lower part of the side wall of the primary hydrolysis tank) of the primary hydrolysis tank 1-1 is connected to the water inlet end of the primary hydrolysis outward-conveying pump 1-3, and a water outlet pipeline of the primary hydrolysis outward-conveying pump 1-3 is connected to the hydrolysis supernatant collecting device 5;
a liquid inlet b2 (arranged on the other side above the secondary hydrolysis tank) of the secondary hydrolysis tank 2-1 is connected to the clear water inlet pipe 6 through a branch pipeline, and a water inlet valve 2-4 of the secondary hydrolysis tank is arranged on the branch pipeline; a waste acid sludge and circulating water outlet b3 of the second-stage hydrolysis tank 2-1 (arranged below the second-stage hydrolysis tank) is connected to the water inlet end of the second-stage hydrolysis circulating pump 2-2 through a pipeline, the water outlet end pipeline of the second-stage hydrolysis circulating pump 2-2 is divided into two branch pipelines (which can be connected by a tee joint) and respectively connected to a circulating water inlet b5 of the second-stage hydrolysis tank 2-1 (arranged at the upper part of the side wall of the second-stage hydrolysis tank) and an inlet of a sludge tank 3-1 (arranged at the upper part of the sludge tank), wherein a branch pipeline connecting the water outlet end of the second-stage hydrolysis circulating pump 2-2 with the circulating water inlet b5 of the second-stage hydrolysis tank 2-1 is provided with a second-stage hydrolysis tank inlet circulating valve 2-5, a branch pipeline connected with an inlet of the sludge tank 3-1 is provided with a secondary hydrolysis pump outlet discharge valve 2-6; a supernatant outlet b4 of the secondary hydrolysis tank 2-1 is connected to the water inlet end of the secondary hydrolysis outward delivery pump 2-3, and a water outlet pipeline of the secondary hydrolysis outward delivery pump 2-3 is connected to the hydrolysis supernatant collecting device 5;
the export of sludge box 3-1 (set up in the lower part of sludge box) passes through the feed end of tube coupling mud feed pump 3-2, and the discharge end of mud feed pump 3-2 passes through tube coupling to filter-pressing system, and filtration system includes in this embodiment: a plate-and-frame filter press 4-1 (a filter press feed valve is arranged at a feed end), a filtrate water tank 4-2 and a filtrate water pump 4-3; the discharge end of the sludge feed pump 3-2 is connected to the feed end of the plate-and-frame filter press 4-1 through a pipeline, the liquid outlet end of the plate-and-frame filter press 4-1 is connected to the inlet of the filtrate water tank 4-2 through a pipeline, the outlet of the filtrate water tank 4-2 is connected to the water inlet end of the filtrate water pump 4-3 through a pipeline, and the water outlet end of the filtrate water pump 4-3 is connected to the secondary hydrolysis tank 2-1 through a pipeline (the upper end of the side wall of the secondary hydrolysis tank is provided with an independent filtrate inlet).
In the embodiment, a liquid outlet of the hydrolysis supernatant collecting device 5 is connected to a liquid inlet end of an output pump 5-1, and a liquid outlet end of the output pump 5-1 is connected to an oxidation catalysis impurity removal system. Other impurity removal or treatment systems can be connected in the actual production.
Example two:
the present embodiment is an improvement on the first embodiment.
The sludge tank 3-1 is also provided with a material circulation inlet c1 (arranged on the upper part of the side wall of the sludge tank), the discharge end of the sludge feed pump 3-2 is additionally provided with a branch pipeline connected to the material circulation inlet of the sludge tank 3-1, a sludge pump outlet circulating valve 3-3 is arranged on a connecting pipeline between the discharge end of the sludge feed pump 3-2 and the material circulation inlet c1 of the sludge tank 3-1, and a sludge discharge valve 3-4 is arranged on a connecting pipeline between the discharge end of the sludge feed pump 3-2 and the filter pressing system. The upper part of the sludge tank is also provided with an inlet for sludge discharged by a sludge pump in other processing steps.
The first-stage hydrolysis, the second-stage hydrolysis and the filter-pressing dehydration (fig. 2) are carried out by using the treatment equipment described in the first embodiment or the second embodiment, and the specific operations of the steps are as follows:
primary hydrolysis: waste acid residues enter a first-stage hydrolysis tank 1-1, and a water inlet valve 1-4 of the first-stage hydrolysis tank is opened to supplement clean water to a set liquid level; starting a first-stage hydrolysis circulating pump 1-2, opening a first-stage hydrolysis tank inlet circulating valve 1-5 for circulating hydrolysis, then stopping the first-stage hydrolysis circulating pump 1-2, closing the first-stage hydrolysis tank inlet circulating valve 1-5 for standing, and then starting a first-stage hydrolysis outward delivery pump 1-3 to deliver supernate to a hydrolysis supernate collecting device 5; when the liquid level of the first-stage hydrolysis tank 1-1 is reduced to a set liquid level, stopping the first-stage hydrolysis output pump 1-3, starting the first-stage hydrolysis circulating pump 1-2, opening the discharge valve 1-6 of the first-stage hydrolysis pump outlet, and conveying the incompletely hydrolyzed materials to the second-stage hydrolysis tank 2-1 for secondary hydrolysis; the first-stage hydrolysis is carried out at normal temperature and normal pressure, wherein the normal temperature is 20-30 ℃, and the normal pressure is a standard atmospheric pressure; the clear water is pure water or ordinary tap water.
Secondary hydrolysis: opening a water inlet valve 2-4 of the secondary hydrolysis tank to supplement clean water to a set liquid level; starting a secondary hydrolysis circulating pump 2-2, opening a secondary hydrolysis tank inlet circulating valve 2-5 for circulating hydrolysis, then stopping the secondary hydrolysis circulating pump 2-2, closing the secondary hydrolysis tank inlet circulating valve 2-5 for standing, starting a secondary hydrolysis external delivery pump 2-3 to deliver supernatant to a hydrolysis supernatant collecting device 5, stopping the secondary hydrolysis external delivery pump 2-3 after the liquid level of a secondary hydrolysis tank 2-1 is reduced to a set liquid level, starting the secondary hydrolysis circulating pump 2-2, opening a secondary hydrolysis pump discharge valve 2-6 to deliver incompletely hydrolyzed materials to a sludge tank 3-1; the stage hydrolysis is carried out at normal temperature and normal pressure, wherein the normal temperature is 20-30 ℃, and the normal pressure is a standard atmospheric pressure;
and (3) filter pressing and dewatering: after the liquid level of the sludge tank 3-1 rises to the set liquid level, a sludge feeding pump 3-2 is started, the hydrolyzed material collected by the sludge tank is conveyed to a filter pressing system, and the filter pressing system comprises the following working steps: opening a feed valve of the plate-and-frame filter press 4-1 to convey the hydrolyzed material to the plate-and-frame filter press 4-1 for dehydration, introducing the filtrate into a filtrate water tank 4-2, starting a filtrate water pump 4-3 to convey the filtrate into a secondary hydrolysis tank 2-1 after the liquid level of the filtrate water tank 4-2 rises to a set liquid level.
A liquid outlet of the hydrolysis supernatant collecting device 5 is connected to a liquid inlet end of an output pump 5-1, and a liquid outlet end of the output pump 5-1 is connected to an oxidation catalysis impurity removal system; and the hydrolysis supernatant in the hydrolysis supernatant collecting device 5 is conveyed to an oxidation catalysis impurity removal system through an output pump 5-1 to be subjected to catalytic oxidation to remove organic matters in the hydrolysis supernatant. In actual production, other treatment systems can be connected for impurity removal or purification again according to requirements.
Finally, it should be noted that the above only illustrates the technical solution of the present invention and not by limitation, and although the present invention has been described in detail with reference to preferred arrangements, a person skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. A hydrolysis treatment device for acid sludge containing titanium tetrachloride is characterized in that: comprises a primary hydrolysis system, a secondary hydrolysis system, a waste acid residue collecting system, a filter pressing system, a hydrolysis supernatant collecting device (5), a clear water inlet pipe (6) and a waste acid residue feeding device (7);
the primary hydrolysis system comprises: a first-stage hydrolysis tank (1-1), a first-stage hydrolysis circulating pump (1-2) and a first-stage hydrolysis output pump (1-3); the secondary hydrolysis system comprises: a secondary hydrolysis tank (2-1), a secondary hydrolysis circulating pump (2-2) and a secondary hydrolysis output pump (2-3); the waste acid sludge collecting system comprises: a sludge box (3-1) and a sludge feed pump (3-2);
the primary hydrolysis tank (1-1) and the secondary hydrolysis tank (2-1) are respectively provided with a waste acid residue inlet, a waste acid residue and circulating water outlet, a liquid inlet, a supernatant outlet and a circulating water inlet;
a waste acid residue inlet of the primary hydrolysis tank (1-1) is connected with the waste acid residue feeding device (7); a liquid inlet of the first-stage hydrolysis tank (1-1) is connected to the clear water inlet pipe (6) through a branch pipeline, and a first-stage hydrolysis tank water inlet valve (1-4) is arranged on the branch pipeline; the waste acid sludge and circulating water outlet of the first-stage hydrolysis tank (1-1) is connected to the water inlet end of the first-stage hydrolysis circulating pump (1-2) through a pipeline, the water outlet end pipeline of the first-stage hydrolysis circulating pump (1-2) is divided into two branch pipelines which are respectively connected to the circulating water inlet of the first-stage hydrolysis tank (1-1) and the waste acid sludge inlet of the second-stage hydrolysis tank (2-1), wherein the branch pipeline connected with the circulating water inlet of the first-stage hydrolysis tank (1-1) is provided with a first-stage hydrolysis tank inlet circulating valve (1-5), and the branch pipeline connected with the waste acid sludge inlet of the second-stage hydrolysis tank (2-1) is provided with a first-stage hydrolysis pump outlet discharge valve (1-6); a supernatant outlet of the primary hydrolysis tank (1-1) is connected to a water inlet end of the primary hydrolysis output pump (1-3), and a water outlet pipeline of the primary hydrolysis output pump (1-3) is connected to a hydrolysis supernatant collecting device (5);
a liquid inlet of the secondary hydrolysis tank (2-1) is connected to the clear water inlet pipe (6) through a branch pipeline, and a water inlet valve (2-4) of the secondary hydrolysis tank is arranged on the branch pipeline; the waste acid sludge and circulating water outlet of the second-stage hydrolysis tank (2-1) is connected to the water inlet end of the second-stage hydrolysis circulating pump (2-2) through a pipeline, the water outlet end pipeline of the second-stage hydrolysis circulating pump (2-2) is divided into two branch pipelines which are respectively connected to the circulating water inlet of the second-stage hydrolysis tank (2-1) and the inlet of the sludge tank (3-1), wherein the branch pipeline connected with the circulating water inlet of the second-stage hydrolysis tank (2-1) is provided with a second-stage hydrolysis tank inlet circulating valve (2-5), and the branch pipeline connected with the inlet of the sludge tank (3-1) is provided with a second-stage hydrolysis pump outlet discharge valve (2-6); a supernatant outlet of the secondary hydrolysis tank (2-1) is connected to a water inlet end of the secondary hydrolysis outward delivery pump (2-3), and a water outlet pipeline of the secondary hydrolysis outward delivery pump (2-3) is connected to a hydrolysis supernatant collecting device (5);
the outlet of the sludge tank (3-1) is connected with the feed end of a sludge feed pump (3-2) through a pipeline, the discharge end of the sludge feed pump (3-2) is connected to a filter pressing system through a pipeline, and a filtrate discharge pipeline of the filter pressing system is connected into the secondary hydrolysis tank (2-1).
2. The apparatus for hydrolysis treatment of titanium tetrachloride-containing acid sludge as claimed in claim 1, wherein: the filter pressing system comprises: the filter press comprises a plate-and-frame filter press (4-1), a filtrate water tank (4-2) and a filtrate water pump (4-3); the discharge end of the sludge feed pump (3-2) is connected to the feed end of the plate-and-frame filter press (4-1) through a pipeline, the liquid outlet end of the plate-and-frame filter press (4-1) is connected to the inlet of the filtrate water tank (4-2) through a pipeline, the outlet of the filtrate water tank (4-2) is connected to the water inlet end of the filtrate water pump (4-3) through a pipeline, and the water outlet end of the filtrate water pump (4-3) is connected to the secondary hydrolysis tank (2-1) through a pipeline.
3. The apparatus for hydrolysis treatment of titanium tetrachloride-containing acid sludge as claimed in claim 1, wherein: the sludge tank (3-1) is further provided with a material circulation inlet, a branch pipeline is additionally arranged at the discharge end of the sludge feed pump (3-2) and is connected to the material circulation inlet of the sludge tank (3-1), a sludge pump outlet circulation valve (3-3) is arranged on a connecting pipeline between the discharge end of the sludge feed pump (3-2) and the material circulation inlet of the sludge tank (3-1), and a sludge discharge valve (3-4) is arranged on a connecting pipeline between the discharge end of the sludge feed pump (3-2) and the filter pressing system.
4. The apparatus for hydrolysis treatment of titanium tetrachloride-containing acid sludge as claimed in claim 1, wherein: and a liquid outlet of the hydrolysis supernatant collecting device (5) is connected to a liquid inlet end of an output pump (5-1).
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| CN202023170566.9U CN214458234U (en) | 2020-12-24 | 2020-12-24 | Hydrolysis treatment equipment for waste acid sludge containing titanium tetrachloride |
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| CN202023170566.9U CN214458234U (en) | 2020-12-24 | 2020-12-24 | Hydrolysis treatment equipment for waste acid sludge containing titanium tetrachloride |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680599A (en) * | 2020-12-24 | 2021-04-20 | 中国石油化工股份有限公司 | Hydrolysis treatment equipment and treatment method for titanium tetrachloride-containing waste acid residues |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680599A (en) * | 2020-12-24 | 2021-04-20 | 中国石油化工股份有限公司 | Hydrolysis treatment equipment and treatment method for titanium tetrachloride-containing waste acid residues |
| CN112680599B (en) * | 2020-12-24 | 2024-04-02 | 中国石油化工股份有限公司 | Hydrolysis treatment equipment and method for waste acid slag containing titanium tetrachloride |
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