CN215102416U

CN215102416U - Processing system that contains useless danger of heavy metal liquid

Info

Publication number: CN215102416U
Application number: CN202120028473.8U
Authority: CN
Inventors: 李智
Original assignee: Qingyuan Jingu Zhilian Environmental Protection Industry Research Institute Co ltd
Current assignee: Qingyuan Jingu Zhilian Environmental Protection Industry Research Institute Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-12-10
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a processing system that contains heavy metal liquid danger is useless, including the equalizing basin, still include the filter of being connected with the equalizing basin, be used for collecting filtrating collecting pit, the quench tower of the filtrating of filter, the bottom of quench tower is equipped with subsides a section of thick bamboo, the top of quench tower is equipped with the dust remover, be equipped with the atomizer in the quench tower, the export intercommunication of water pump and filtrating collecting pit is passed through to the entry of atomizer. This system retrieves the precipitate in order to go out main heavy metal through neutralization and precipitation, then injects into the quench tower with the filtrating and absorbs the flue gas waste heat, recoverable remaining heavy metal to can prevent that dioxin from generating in the flue gas, belong to the waste disposal field.

Description

Processing system that contains useless danger of heavy metal liquid

Technical Field

The utility model belongs to the waste disposal field more particularly, relates to a contain useless processing system of heavy metal liquid danger.

Background

The treatment mode of heavy metal waste liquid is mostly carried out by adopting a neutralization and precipitation mode, the neutralization and precipitation method has poor heavy metal recovery effect, about 60% of heavy metal can be generally recovered, the rest heavy metals cause great pressure on the subsequent treatment process, and the subsequent treatment equipment can be seriously corroded.

CN201922288410.1 discloses hazardous waste burns quench tower of system, including quench tower body and the effluent water sump of leading to pipe and quench tower body top intercommunication, the water pipe extends to this internal top of quench tower and a plurality of shower nozzles of water pipe lower surface fixedly connected with, and the below of quench tower body is equipped with the cistern, separates into collecting pit and filtering ponds through the filter in the cistern, is equipped with three vertical baffles that just crisscross set up in the filtering ponds. Can be with waste water make full use of through this quench tower, but also can turn into the salinity in the waste water and get rid of the lime-ash, saved the desalination cost.

The quenching tower absorbs a large amount of water by heat of flue gas, however, the method causes a large treatment pressure to the quenching tower for waste liquid containing heavy metal ions.

Therefore, the technical problems to be solved by the application are as follows: how to reasonably and efficiently recover heavy metal ions in waste liquid.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a contain useless processing system of heavy metal liquid danger, this system retrieve the precipitate in order to go out main heavy metal through neutralization precipitation, then absorb the flue gas waste heat with filtrating and pouring into the quench tower, recoverable remaining heavy metal to can prevent that dioxin from generating in the flue gas.

According to the utility model discloses an aspect provides a processing system who contains heavy metal liquid danger is useless, including the equalizing basin, still include the filter of being connected with the equalizing basin, be used for collecting filtrating collecting pit, the quench tower of the filtrating of filter, the bottom of quench tower is equipped with the section of thick bamboo that subsides, the top of quench tower is equipped with the dust remover, be equipped with the atomizer in the quench tower, the export intercommunication of water pump and filtrating collecting pit is passed through to the entry of atomizer.

The utility model discloses a specific embodiment still includes the smelting furnace, the smelting furnace is used for smelting the recovery metal to the filter residue of filter.

In a specific embodiment of the utility model, the adjusting tank is provided with an alkali liquid filling pipe, a stirrer and a raw material filling pipe.

In a specific embodiment of the present invention, a pH sensor is further disposed on the adjusting tank.

In a specific embodiment of the present invention, a flue gas inlet is arranged at the lower part of the quenching tower, a flue gas outlet is arranged at the top part of the quenching tower, and the dust remover is communicated with the flue gas outlet; the atomizer is arranged at the upper part of the quenching tower.

The utility model discloses a specific embodiment, the atomizer is two fluid atomizer, two fluid atomizer include the atomizing pipe, the atomizing head is connected to the free end of atomizing pipe, be connected with compressed air access pipe and waste liquid access pipe on the atomizing pipe, waste liquid access pipe and the export intercommunication of water pump.

In a specific embodiment of the present invention, a buffer tank is disposed between the adjusting tank and the filter.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

the utility model discloses to contain the sewage of heavy metal through adding alkali deposit, filtration, collect filtrating and filter residue, the filter residue is smelted and is retrieved the metal, and the filtrating carries out the rapid cooling to the flue gas in adding the quench tower, and the prevention dioxin forms, and moisture volatilizees in the filtrating simultaneously, and heavy matter granule is immersed and is collected in the section of thick bamboo that subsides, and light granule is collected through the dust remover. The collected dust can also enter a smelting furnace for smelting.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of a two-fluid atomizer according to a first embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 and 2, in one embodiment of the utility model, a contain useless processing system of heavy metal liquid danger, including equalizing basin 1, still include filter 2, the filtrating collecting pit 3 that is used for collecting the filtrating of filter 2, quench tower 4 be connected with equalizing basin 1, quench tower 4's bottom is equipped with a section of thick bamboo 5, and a section of thick bamboo 5 is the cavity of a tube-shape that sets up in the quench tower bottom for collect the powder that subsides, quench tower 4's top is equipped with dust remover 6, and dust remover 6 is preferably the sack cleaner, be equipped with atomizer 7 in quench tower 4, water pump 8 and the export intercommunication of filtrating collecting pit 3 are passed through to atomizer 7's entry.

In the embodiment, heavy metal-containing sewage is precipitated by adding alkali and filtered, filtrate and filter residues are collected, the filter residues are smelted to recover metals, the filtrate is added into the quenching tower 4 to quench flue gas, dioxin is prevented from being formed, meanwhile, moisture in the filtrate is volatilized, heavy particles are immersed into the settling cylinder 5 to be collected, and light particles are collected through the dust remover 6. The collected dust can also be fed into the smelting furnace 9 for smelting.

Preferably, the smelting furnace 9 is further included, and the smelting furnace 9 is used for smelting the filter residue of the filter 2 to recover metals.

In the embodiment, the adjusting tank 1 is provided with an alkali liquor filling pipe 11, a stirrer 12, a raw material filling pipe 13 and a pH sensor 14.

As a further preference of the present embodiment, a flue gas inlet 41 is provided at the lower part of the quenching tower 4, a flue gas outlet 42 is provided at the top part of the quenching tower 4, and the dust remover 6 is communicated with the flue gas outlet 42; the atomizer 7 is disposed in the upper portion of the quenching tower 4.

In order to improve the atomization effect, the atomizer 7 is a two-fluid atomizer 7, the two-fluid atomizer 7 comprises an atomization pipe 71, an atomization head 72 is connected to the free end of the atomization pipe 71, a compressed air access pipe 73 and a waste liquid access pipe 74 are connected to the atomization pipe 71, and the waste liquid access pipe is communicated with an outlet of the water pump 8.

The two-fluid atomizer 7 adopts compressed air for auxiliary atomization, so that the atomization effect of the filtrate can be improved, the heat absorption effect on the flue gas can be improved, the flue gas at the temperature of 500-550 ℃ can be cooled at a high speed, alkaline substances in the solution can be combined with sulfur dioxide in the flue gas, the absorption rate of the sulfur dioxide can reach more than 80 percent, sulfuric acid or sulfurous acid heavy metal salt is formed, most of the sulfur dioxide or the sulfur dioxide heavy metal salt enters the dust remover 6, and a small part of the sulfur dioxide or the sulfurous acid heavy metal salt enters the settling cylinder 5.

Preferably, a buffer tank 10 is arranged between the adjusting tank 1 and the filter 2.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a processing system who contains heavy metal liquid danger useless, includes the equalizing basin, its characterized in that still includes the filter of being connected with the equalizing basin, is used for collecting filtrating collecting pit, the quench tower of the filtrating of filter, the bottom of quench tower is equipped with subsides a section of thick bamboo, the top of quench tower is equipped with the dust remover, be equipped with the atomizer in the quench tower, the export intercommunication of water pump and filtrating collecting pit is passed through to the entry of atomizer.

2. The system for treating hazardous waste of liquid containing heavy metals according to claim 1, further comprising a smelting furnace, wherein the smelting furnace is used for smelting the filter residue of the filtering machine to recover metals.

3. The system for treating hazardous waste of liquid containing heavy metals according to claim 1, wherein the regulating reservoir is provided with an alkali liquid filling pipe, a stirrer and a raw material filling pipe.

4. The system for treating hazardous waste of liquid containing heavy metals according to claim 3, wherein the regulating tank is further provided with a pH sensor.

5. The system for treating hazardous waste in liquid containing heavy metals according to claim 4, wherein a flue gas inlet is formed in the lower part of the quenching tower, a flue gas outlet is formed in the top of the quenching tower, and the dust remover is communicated with the flue gas outlet; the atomizer is arranged at the upper part of the quenching tower.

6. The system for treating hazardous waste of heavy metal-containing liquid according to claim 1, wherein the atomizer is a two-fluid atomizer, the two-fluid atomizer comprises an atomizing pipe, the free end of the atomizing pipe is connected with an atomizing head, the atomizing pipe is connected with a compressed air inlet pipe and a waste liquid inlet pipe, and the waste liquid inlet pipe is communicated with an outlet of a water pump.

7. The system for treating hazardous waste of liquid containing heavy metals according to claim 1, wherein a buffer tank is arranged between the regulating tank and the filtering machine.