CN211521704U

CN211521704U - High-salt wastewater thickener

Info

Publication number: CN211521704U
Application number: CN201922382930.9U
Authority: CN
Inventors: 李春霞; 刘国栋; 李想坤; 牛风华; 陈康康; 包冬飞
Original assignee: Henan Zhengkai Environmental Protection Engineering Co ltd
Current assignee: Zhengkai Group Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-18
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a high salt waste water thickener, which comprises a conical shell, a steam conduit and a guide cylinder arranged on the shell, wherein the shell is conical with sealed bottom, the top of the shell is provided with a top cover which is fixed in a sealing way, the guide cylinder which extends downwards along the center of the shell is fixed on the top cover, a feed pipe which penetrates through the side wall of the guide cylinder is fixed on the side wall of the guide cylinder, the outer end of the feed pipe is positioned outside the guide cylinder and the shell, the inner end of the feed pipe is positioned inside the guide cylinder and bends downwards along the center of the guide cylinder, the steam conduit which extends downwards into the bottom of the shell is also fixed on the top cover, the upper end of the inner wall of the shell is provided with a circular guide groove, the inner side of the guide groove is provided with an overflow weir plate, the outer part of the shell is fixed with a downwards-inclined drain pipe which is communicated with the guide groove, the downwards-inclined salt slurry, the salt slurry conduit is in communication with the interior of the housing.

Description

High-salt wastewater thickener

Technical Field

The utility model relates to a technical field of waste water treatment equipment, in particular to high salt waste water thickener.

Background

At present, a large amount of chemical wastewater is generated in the production process of a plurality of chemical enterprises, wherein a part of the chemical wastewater with high salt content is difficult to treat, the high-salt wastewater refers to wastewater with at least 1% of total salt content, and mainly comes from chemical plants and petroleum and natural gas collection and processing processes, the wastewater mainly contains various salts, organic matters and other substances, the treatment difficulty is high, if the wastewater is directly discharged, the environment and water bodies are seriously polluted, along with the continuous development of the petrochemical industry, the generation ways of the high-salt wastewater are increasingly wide, the water quantity is increased year by year, therefore, the reasonable and optimized treatment of the high-salt wastewater is common responsibility and obligation of each enterprise and chemical environmental protection personnel, at present, the treatment of the high-salt wastewater in China mainly adopts treatment processes such as mechanical steam recompression, evaporative crystallization, multi-effect evaporative crystallization and the like, wherein thickening is a necessary link in the high-salt wastewater treatment process, each technology all needs to carry out reentrant hydroextractor after preliminary concentration to the crystallization salt through the thickener, and the thickener is the equipment that high salt waste water thickening is commonly used, the device of solid particle concentration in the concentrated sewage promptly, and the thickener that is used for waste water zero release magma concentration at present exists the shortcoming more, for example solid-liquid separation effect is poor, and the cone end discharging pipe blocks up easily, maintains the difficulty, seriously reduces the life of thickener, consequently needs to carry out necessary improvement to current thickener now urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a high salt waste water thickener.

The specific contents are as follows: high salt waste water thickener, including conical casing, setting steam conduit and guide cylinder on the casing, characterized by:

the casing is conical with the bottom sealed, the top of the casing is provided with a top cover fixed in a sealing way, a guide cylinder extending downwards along the center of the casing is fixed on the top cover, the upper end of the guide cylinder extends out of the casing, the lower end of the guide cylinder extends into the casing, a feed pipe penetrating through the side wall of the guide cylinder is fixed on the side wall of the guide cylinder, the outer end of the feed pipe is positioned outside the guide cylinder and the casing, the inner end of the feed pipe is positioned inside the guide cylinder and is bent downwards along the center of the guide cylinder, a steam guide pipe extending downwards in an inclined way is also fixed on the top cover, the upper end of the steam guide pipe extends out of the casing, the lower end of the steam guide pipe extends into the bottom of the casing, the upper end of the inner wall of the casing is provided with a circular guide chute, the inner side of the guide chute is provided with an overflow weir plate, the outer part of the casing is fixed with a downward-inclined drain pipe which is, the salt slurry conduit is in communication with the interior of the housing.

Preferably, a vertical stirrer is hermetically fixed at the bottom of the shell, and stirring blades on the stirrer are positioned inside the shell.

Preferably, the salt slurry conduit is fixed with a cleaning pipe communicated with the salt slurry conduit, the cleaning pipe is L-shaped, and the port of the cleaning pipe is consistent with the port of the salt slurry conduit.

Preferably, a downward-inclined sewage draining pipe is further fixed on the outer side wall of the bottom of the shell and is communicated with the interior of the shell.

Preferably, the lower end of the steam guide pipe is fixed on a support bar, and the support bar is fixed on the inner wall of the shell.

Preferably, the middle part of the outer side wall of the shell is tightly hooped with a circle of fixing channel steel.

Preferably, a cap-shaped splitter plate is fixed inside the material guide cylinder, a gap is formed between the splitter plate and the inner wall of the material guide cylinder, and the splitter plate is positioned below the feeding pipe.

Preferably, the top cover of the shell is provided with an inspection manhole.

Preferably, the top cover of the shell is provided with an exhaust hole.

Preferably, the overflow weir plate is zigzag.

The utility model has the advantages of:

the utility model relates to a high salt waste water thickener, salt slurry liquid enters into a guide cylinder through an inlet pipe and enters into the shell after impact load is reduced by a splitter plate, the bottom of the shell is communicated with steam through a steam conduit to keep the temperature of the salt slurry liquid, the stirrer is arranged at the bottom of the shell, the salt slurry liquid is in a stirring state by the rotation of a stirring blade to prevent condensation, a medicament is added into the shell from the guide cylinder to be reacted and concentrated with the salt slurry solution, after the salt slurry solution is concentrated, supernatant separated from the salt slurry enters into a diversion trench through an overflow weir plate and is discharged through a drain pipe, the concentrated salt slurry is poured out through the salt slurry conduit and enters into the next processing link, the guide cylinder is arranged at the upper part of the device to facilitate adding the medicament and setting an overhaul manhole, the maintenance is convenient, a cleaning pipe and a drain pipe are arranged at the bottom, the cleaning is convenient, the thickener has good thickening effect and fast solid-, the salt slurry conduit is not easy to block, easy to maintain and convenient to use.

Drawings

FIG. 1 is a front cross-sectional view of a high salinity wastewater thickener;

FIG. 2 is an enlarged view of A in FIG. 1;

in the figure: 18. the device comprises a steam guide pipe, 17, a shell, 27, a guide cylinder, 24, a top cover, 26, a feed pipe, 22, a diversion trench, 20, an overflow weir plate, 21, a drain pipe, 13, a salt slurry guide pipe, 11, a stirrer, 15, stirring blades, 14, a cleaning pipe, 12, a sewage discharge pipe, 19, a fixed channel steel, 25, a flow distribution plate, 23, a maintenance manhole, 28, an exhaust hole, 16 and a support rod.

Detailed Description

Embodiment one, referring to fig. 1-2, a high salinity wastewater thickener comprises a conical housing, a steam conduit and a guide cylinder arranged on the housing;

The bottom of casing sealed be fixed with vertical agitator, the stirring leaf on the agitator is located the inside of casing, and the rotation of stirring leaf makes salt thick liquid be in the stirring state, prevents to condense.

The salt slurry guide pipe is fixedly provided with a cleaning pipe communicated with the salt slurry guide pipe, the cleaning pipe is L-shaped, the port of the cleaning pipe is consistent with that of the salt slurry guide pipe, and the cleaning pipe is used for cleaning the shell periodically.

And a downward-inclined sewage discharge pipe is further fixed on the outer side wall of the bottom of the shell and is communicated with the inside of the shell for cleaning and discharging sewage of the shell.

The lower end of the steam guide pipe is fixed on the support rod, and the support rod is fixed on the inner wall of the shell, so that the stability of the steam guide pipe is improved.

The inside of guide cylinder be fixed with the flow distribution plate of cap form, be equipped with the clearance between this flow distribution plate and the guide cylinder inner wall, and the flow distribution plate is located the below of inlet pipe, salt thick liquid gets into the guide cylinder and forms the rivers that disperse to all around after the flow distribution plate downwards, makes rivers slow down and disperse and get into in the casing, can avoid the vertical impact force of rivers too big, improve the stationarity of the whole operation of equipment.

The middle part of the outer side wall of the shell is tightly hooped with a circle of fixed channel steel, so that the firmness of the whole structure of the shell is improved.

The top cover of the shell is provided with an inspection manhole, so that workers can conveniently maintain and maintain equipment in a daily mode.

The top cover of the shell is provided with an exhaust hole.

The overflow weir plate is in a sawtooth shape, so that the supernatant is more balanced when overflowing into the overflow trough, the water flow is refined, the sawtooth-shaped overflow weir plate has a certain interception function on sundries in the supernatant in the overflowing process, and the quality of the supernatant can be improved.

The utility model discloses a theory of operation and process:

salt thick liquid passes through the inlet pipe and gets into in the guide cylinder and gets into inside this casing after the flow distribution plate reduces impact load, the casing bottom is through steam pipe intercommunication steam, keep the temperature of salt thick liquid, the agitator is installed to the casing bottom, the rotation of stirring leaf makes salt thick liquid be in the stirring state, prevent to condense, add medicament in the guide cylinder and make it react with salt thick liquid solution and concentrate in the casing, salt thick liquid solution advances concentrated back, the supernatant of separation passes through the overflow weir plate and gets into the guiding gutter in the salt thick liquid, discharge through the drain pipe, salt thick liquid after the concentration pours out and gets into next processing link through the salt thick liquid pipe, the device upper portion is equipped with the guide cylinder, conveniently throw the medicament, and set up and overhaul the manhole, convenient maintenance, the bottom is equipped with scavenge pipe and blow off pipe, it is convenient to wash.

Claims

1. High salt waste water thickener, including conical casing, setting steam conduit and guide cylinder on the casing, characterized by:

2. The high salinity wastewater thickener of claim 1, wherein: the bottom of the shell is hermetically fixed with a vertical stirrer, and stirring blades on the stirrer are positioned in the shell.

3. The high salinity wastewater thickener of claim 1, wherein: the salt slurry guide pipe is fixedly provided with a cleaning pipe communicated with the salt slurry guide pipe, the cleaning pipe is L-shaped, and the port of the cleaning pipe is consistent with that of the salt slurry guide pipe.

4. The high salinity wastewater thickener of claim 1, wherein: and a downward-inclined sewage discharge pipe is fixed on the outer side wall of the bottom of the shell and is communicated with the inside of the shell.

5. The high salinity wastewater thickener of claim 1, wherein: the lower end of the steam guide pipe is fixed on a support rod, and the support rod is fixed on the inner wall of the shell.

6. The high salinity wastewater thickener of claim 1, wherein: the middle part of the outer side wall of the shell is tightly hooped with a circle of fixed channel steel.

7. The high salinity wastewater thickener of claim 1, wherein: a cap-shaped splitter plate is fixed inside the material guide cylinder, a gap is formed between the splitter plate and the inner wall of the material guide cylinder, and the splitter plate is located below the feeding pipe.

8. The high salinity wastewater thickener of claim 1, wherein: the top cover of the shell is provided with an inspection manhole.

9. The high salinity wastewater thickener of claim 1, wherein: the top cover of the shell is provided with an exhaust hole.

10. The high salinity wastewater thickener of claim 1, wherein: the overflow weir plate is in a zigzag shape.