CN202492423U - Disposal recovery device of chrome-containing liquid waste - Google Patents
Disposal recovery device of chrome-containing liquid waste Download PDFInfo
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- CN202492423U CN202492423U CN2012201087475U CN201220108747U CN202492423U CN 202492423 U CN202492423 U CN 202492423U CN 2012201087475 U CN2012201087475 U CN 2012201087475U CN 201220108747 U CN201220108747 U CN 201220108747U CN 202492423 U CN202492423 U CN 202492423U
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Abstract
The utility model belongs to the technical field of the industrial sewage treatment. A disposal recovery device of chrome-containing liquid waste is characterized by comprising a chrome-containing liquid waste storage pot, an alkali-mixing pot, a frame filter, an acid-mixing pot, an extracting agent recovery storage pot, an extraction tank, a concentrated solution storage pot, a high post acid storage pot, an acid-matching pot, a high post alkali storage pot and an alkali-matching pot. The alkali-matching pot is provided with an alkali-adding mouth and communicated with the input mouth of the high post alkali storage pot through a first pipeline. The first pipeline is provided with a first pump and a first check valve. An overflow mouth of the high post alkali storage pot is communicated with the alkali-matching pot through a second pipeline, and the output mouth of the high post alkali storage pot is communicated with the extraction tank through a third pipeline. One end of a fourth pipeline is communicated with the alkali-mixing pot, and the other end of the fourth pipeline is communicated with the third pipeline or the high post alkali storage pot. Accordingly, the chrome-containing liquid waste can be disposed and recovered. For small and medium-sized enterprises of electroplating and leather, on one hand, the environmental protection problem of pollutant discharge up to the standard is solved, and on the other hand, the liquid waste disposal equipment and operation cost are reduced. In addition, on one hand, the production cost is reduced, and on the other hand the clean production is achieved.
Description
Technical field
The utility model belongs to the industrial sewage treatment technology field, is specifically related to a kind of chromium (VI) waste liquid that contains and disposes retrieving arrangement.
Background technology
All need use chromium (VI) in industries such as cold-reduced sheet passivation, chemical plating, tannings, can produce and contain chromium (VI) waste liquid in a large number.Chromium (VI) is one of high toxicity element, and directly the discharging meeting causes severe contamination to environment, and human body contact or absorption can cause grievous injuries such as skin ulceration, respiratory inflammation, anaemia, neuritis, and it still is one of known carcinogenic substance.
At present, the harmless treatment that contains chromium (VI) waste liquid mainly is that chemical reduction, post precipitation are sealed landfill up for safekeeping.Discharge or landfill if contain the waste residue of chromium (III) after will handling, in the long run, also can pollute environment.
China also exists a large amount of middle-size and small-size plating, leather-making enterprises at present.For some middle-size and small-size plating, leather-making enterprises, because small scale, the chrome waste liquid amount of generation is less relatively, and to build the sewage disposal device counter investment bigger for this reason, and the operational management cost is higher, and the pollution treatment burden of enterprise is heavier.
Summary of the invention
The purpose of the utility model is to provide a kind of chrome waste liquid to dispose retrieving arrangement, and this device can be disposed chrome waste liquid and reclaim.
To achieve these goals; The technical scheme that the utility model is taked is: chrome waste liquid is disposed retrieving arrangement, it is characterized in that it comprises that chrome waste liquid storage tank, accent alkali jar, plate-and-frame filter press, acid adjustment jar, extraction agent reclaim storage tank, extraction tank, liquid concentrator storage tank, high-order storage acid jar, complex acid jar, high position storage alkali jar, alkali-prepared tank; Alkali-prepared tank is provided with and adds the alkali mouth, and alkali-prepared tank is connected by the input aperture of first pipeline with high-order storage alkali jar, and first pipeline is provided with first pump, first vacuum breaker; The riser of high-order storage alkali jar is connected with alkali-prepared tank by second pipeline, and the delivery port of high-order storage alkali jar is by the 3rd pipeline and extraction trough, and the 3rd pipeline is provided with spinner-type flowmeter and by-pass valve control; The 4th pipeline one end is connected with transferring the alkali jar, and the 4th pipeline one end is connected with the 3rd pipeline or high-order storage alkali jar, and the 4th pipeline is provided with by-pass valve control;
The complex acid jar is provided with acid-adding port, and the complex acid jar is connected with high-order storage acid jar by the 5th pipeline, and the 5th pipeline is provided with second pump, second vacuum breaker; The riser that high-order storage is sour jar is connected with the complex acid jar by the 6th pipeline, and the delivery port of high-order storage acid jar is by the 7th pipeline and extraction trough, and the 7th pipeline is provided with spinner-type flowmeter and by-pass valve control; The 8th pipeline one end is connected with the acid adjustment jar, and the 8th pipeline the other end is connected with the 7th pipeline or high-order storage acid jar, and the 8th pipeline is provided with by-pass valve control;
The chrome waste liquid storage tank is provided with riser and chrome waste liquid input tube (connecing outside next chrome waste liquid), and the chrome waste liquid storage tank is connected with transferring the alkali jar by the 9th pipeline, and the 9th pipeline is provided with by-pass valve control; Transfer the alkali jar to be connected with the input terminus of plate-and-frame filter press by the tenth pipeline, the tenth pipeline is provided with the 3rd pump, the 3rd vacuum breaker; The output terminal of plate-and-frame filter press is connected with the acid adjustment jar by the 11 pipeline, and the 11 pipeline is provided with by-pass valve control; The acid adjustment jar is by the 12 pipeline and extraction trough, and the 12 pipeline is provided with the 4th pump, the 4th vacuum breaker, spinner-type flowmeter;
Extraction tank is provided with drain and thief hole; The concentrated solution outlet of extraction tank is connected with the liquid concentrator storage tank by the 13 pipeline, and the liquid concentrator storage tank is provided with venting port and liquid concentrator purger; The extraction agent of extraction tank reclaims mouth and is connected by the 14 pipeline and extraction agent recovery storage tank, and extraction agent reclaims storage tank by the 15 pipeline and extraction trough, and the 15 pipeline is provided with the 5th pump, the 5th vacuum breaker, spinner-type flowmeter.
Said chromium waste liquid storage tank, transfer alkali jar, plate-and-frame filter press, acid adjustment jar, extraction agent to reclaim storage tank, extraction tank, liquid concentrator storage tank, high-order storage acid jar, complex acid jar, high-order alkali jar and the alkali-prepared tank store is arranged on movably in the freight container.
The utility model has following characteristics:
1, this device can be disposed chrome waste liquid and reclaim.
2, for medium and small plating, leather-making enterprises, both solve the environmental issue of pollutent qualified discharge, saved equipment and working cost that waste liquid is disposed again, not only reduced production cost but also realized cleaner production.Have tangible economic and social benefits.
3, this utility model applies to extraction and separation technology in the concentration technology, has reduced the recycling cost of chromium (VI) significantly, and it is feasible that the recycling of chromium is become economically, realized the resource circulation utilization.
4, armamentarium, Analytical equipment and utility appliance all are integrated into one movably in the casing.Through common transportation means can be flexibly, whole device is moved to need carry out the scene that chrome waste liquid is disposed easily.
Description of drawings
Fig. 1 is the utility model application technology schema.
Fig. 2 is the structural representation that the utility model chrome waste liquid is disposed retrieving arrangement.
Fig. 3 is that the utility model chrome waste liquid is disposed the vertical view of retrieving arrangement in freight container.
Fig. 4 is along the sectional view of A-A line among Fig. 3.
Fig. 5 is along the sectional view of B-B line among Fig. 3.
Fig. 6 is along the sectional view of C-C line among Fig. 3.
Among the figure: 1-chrome waste liquid storage tank, 2-transfers the alkali jar, 3-plate-and-frame filter press (or claiming flame filter press), 4-acid adjustment jar, the 5-extraction agent reclaims storage tank, 6-extraction tank; 7-liquid concentrator storage tank, the high-order storage acid of 8-jar, 9-complex acid jar, the high-order storage of 10-alkali jar, 11-alkali-prepared tank, 12-first pipeline; 13-first pump, 14-first vacuum breaker, 15-second pipeline, 16-the 3rd pipeline, 17-spinner-type flowmeter, 18-the 4th pipeline; 19-the 5th pipeline, 20-second pump, 21-second vacuum breaker, 22-the 6th pipeline, 23-the 7th pipeline, 24-the 8th pipeline; The 25-riser, 26-chrome waste liquid input tube, 27-the 9th pipeline, 28-the tenth pipeline, 29-the 3rd pump, 30-the 3rd vacuum breaker; 31-the 11 pipeline, 32-the 12 pipeline, 33-the 4th pump, 34-the 4th vacuum breaker, 35-the 13 pipeline, 36-the 14 pipeline; 37-the 15 pipeline, 38-the 5th pump, 39-the 5th vacuum breaker, 40-freight container, 41-elevated tank, 42-experiment table (or claiming the chemical examination platform).
Embodiment
In order to understand the utility model better, further illustrate the content of the utility model below in conjunction with embodiment, but the content of the utility model not only is confined to following embodiment.
Embodiment 1:
As shown in Figure 1; The chrome waste liquid of realization aforesaid method is disposed retrieving arrangement, and it comprises that chrome waste liquid storage tank 1, accent alkali jar 2, plate-and-frame filter press 3, acid adjustment jar 4, extraction agent reclaim storage tank 5, extraction tank 6, liquid concentrator storage tank 7, high-order acid jar 8, complex acid jar 9, high-order storage alkali jar 10, the alkali-prepared tank 11 store; Alkali-prepared tank 11 is provided with and adds the alkali mouth, and alkali-prepared tank 11 is connected by the input aperture of first pipeline 12 and high-order storage alkali jar 10, and first pipeline 12 is provided with first pump 13, first vacuum breaker 14; The riser of high-order storage alkali jar 10 is connected with alkali-prepared tank 11 by second pipeline 15, and the delivery port of high-order storage alkali jar 10 is connected with extraction tank 6 by the 3rd pipeline 16, and the 3rd pipeline 16 is provided with spinner-type flowmeter 17 and by-pass valve control; The 4th pipeline 18 1 ends are connected with transferring alkali jar 2, and the 4th pipeline 18 1 ends are connected with the 3rd pipeline 16 or high-order storage alkali jar 10, and the 4th pipeline 18 is provided with by-pass valve control;
Chrome waste liquid storage tank 1 is provided with riser 25 and chrome waste liquid input tube 26 (connecing outside next chrome waste liquid), and chrome waste liquid storage tank 1 is connected with transferring alkali jar 2 by the 9th pipeline 27, and the 9th pipeline 27 is provided with by-pass valve control; Transfer alkali jar 2 to be connected with the input terminus of plate-and-frame filter press 3 by the tenth pipeline 28, the tenth pipeline 28 is provided with the 3rd pump 29, the 3rd vacuum breaker 30; The output terminal of plate-and-frame filter press 3 is connected with acid adjustment jar 4 by the 11 pipeline 31, and the 11 pipeline 31 is provided with by-pass valve control; Acid adjustment jar 4 is connected with extraction tank 6 by the 12 pipeline 32, and the 12 pipeline 32 is provided with the 4th pump 33, the 4th vacuum breaker 34, spinner-type flowmeter;
Said chromium waste liquid storage tank 1, transfer alkali jar 2, plate-and-frame filter press 3, acid adjustment jar 4, extraction agent to reclaim storage tank 5, extraction tank 6, liquid concentrator storage tank 7, high-order storage acid jars 8, complex acid jar 9, high-order storage alkali jar 10 and alkali-prepared tank 11 to be arranged on movably in the freight container.
The armamentarium that the utility model is related, analytical instrument, supplementary unit be integrated to be installed in long 5897mm; Wide 2348mm; High 2385mm is through in 20 twenty-foot equivalent unin20s of transforming, and equipment and other devices carry out rational deployment by processing requirement and flow process, and fixedly secure on casing.
Discharge of wastewater mouth after reserving the chrome waste liquid import on the casing and purifying.So that field joint.House generator is also reserved power interface.
Chrome waste liquid is disposed and is reclaimed technology, and it comprises the steps:
1) be that extraction agent is solvent with kerosene with trialkyl tertiary amine (N235), reclaim in the storage tank 5 at extraction agent and be mixed with the N235-kerosin that contains extraction agent 30wt%, subsequent use;
2) vitriol oil or the sulfur waste acid more than the 10wt% concentration are mixed with the dilute sulphuric acid of sulfuric acid content 10wt% in complex acid jar 9; Pump is store sour jar 8 to high-order then, and is subsequent use;
3) place alkali-prepared tank 11 to be dissolved in water industrial sodium hydroxide or Pottasium Hydroxide, be mixed with sodium hydroxide solution or potassium hydroxide solution that concentration is 10wt%; Pump is store alkali jar 10 to a high position then, and is subsequent use;
4) dock with on-the-spot chrome waste liquid storage tank 1 through the external chrome waste liquid mouth of pipe, chrome waste liquid [containing chromium (VI) waste liquid] is pumped in the chrome waste liquid storage tank 1;
5) chrome waste liquid in the chrome waste liquid storage tank 1 is put into accent alkali jar 2, add sodium hydroxide solution or potassium hydroxide solution adjustment pH value to 7.5～8.0 in the high-order storage alkali jar 10; Filter through pumping into plate-and-frame filter press 3 after mixing; Filtrating is put into acid adjustment jar 4;
6) dilute sulphuric acid with the 10wt% in the high position storage acid jar 8 is input in the acid adjustment jar 4, and the filtrating in the acid adjustment jar 4 is transferred pH value to 1.5～2.0, pumps into extraction tank 6 extractions then, and flow is through under meter control;
7) extraction agent is the N235-kerosin that contains extraction agent 30wt% in the step 1), in the extraction, and A/O phase velocity ratio=15: 1 (being that chrome waste liquid is concentrated 15 times); " A phase " expression water, " O phase " expression organic phase is established thief hole in the raffinate exit; Press the analytical procedure of GB7467-1987, carry out online sampling analysis, qualified discharge with spectrophotometer; Not up to standardly return circulation, and adjustment A/O phase velocity ratio is 10: 1;
8) organic phase after the extraction strip (organic phase gets in multistage mixing-box extraction tank of clarification of being made by the PVC material); Strip liquor is sodium hydroxide solution or the potassium hydroxide solution of the 10wt% in the high-order storage alkali jar 10; O/A phase velocity ratio=5: 1; For containing the chromium liquid concentrator, O is sodium hydroxide solution or the potassium hydroxide solution of 10wt% to A mutually mutually, and the chromium liquid concentrator (A phase) that contains after the back extraction is put into 7 storages (being used for post-treatment) of liquid concentrator storage tank;
9) O after the back extraction regenerates [O after the back extraction gets in multistage mixing-box extraction tank of clarification of being made by the PVC material mutually] mutually, and regenerator is the dilute sulphuric acid of the 10wt% in the high-order storage acid jar 8; Extraction agent after the regeneration is put back in the extraction agent recovery storage tank 5 and is recycled, and the spent acid after the regeneration is put into complex acid jar 9 and recycled.
Said extraction tank 6 is the multistage mixing made by the PVC material-clarify box extraction tank (mix-clarify box extraction tank, the box extraction tank of level Four mixing-clarification or Pyatyi as three grades and mix-clarify box extraction tank).
The technology of the utility model is: organic amine (trialkyl tertiary amine) is diluted to the back as extraction agent in solvent, will passes through pretreated chrome waste liquid and adjust to suitable acidity, in multistage mixing-box extraction tank of clarification, carry out counter-current extraction.Chromium (VI) is extracted in the organic phase (O phase), and chromium (VI) content reaches national wastewater discharge standard 0.2mg/L (GB21900-2008 discharges the requirement of limiting the quantity of) back discharging in the raffinate (water, A phase).Detection method is carried out chromic detection by the analytical procedure of GB7467-1987.Through comparing of adjustment A/O phase, promptly the flow of A phase is enriched in the organic phase chromium (VI) greater than the flow of O phase in the process of extraction.The enrichment multiple can reach more than 10 times.
With enrichment organic phase and the alkali lye of chromium (VI) carry out countercurrent reextraction in the box extraction tank in multistage mixing-clarify and get, with the chromium back extraction in the organic phase to water.Through comparing of adjustment A/O phase, promptly O mutually flow greater than the flow of A phase, make chromium (VI) in the process of stripping at aqueous phase further by enrichment, the enrichment multiple can reach more than 5 times.Obtain the liquid concentrator of chromium (VI) content more than 10wt%, be used to produce various chromium (VI) products that contain.Extraction agent recycles after regenerating.
Select a kind ofly can move the casing of transportation with common transportation means; This casing has suitable length, width and height; Equipment that can the utility model technology is required, detecting instrument and auxiliary equipment are installed in the casing, and easy to operate, rationally distributed.This casing leaves outer welding system in position, can dock with field apparatus easily.
Utilize the high characteristic of chromium (VI) partition ratio in organic amine, through counter-current extraction, with chromium (VI) enrichment in organic phase, the technology through stripping chromium being recycled again.The recovery system that this technology is constituted is integrated in the movably box carrier, realizes the flexible purpose that disposal is collected at the different treatment scene that moves to through transportation means.
The portable integrated high concentration chrome wastewater of the utility model is handled retrieving arrangement.Let those not possess the enterprise of high concentration chrome wastewater processing power, only need, regularly this device is transported to enterprise with transportation means such as automobiles and carries out the on-site collection disposal the sewage centralized collection.Both solved the Pollution abatement problem of these enterprises, reduced the expense of Pollution abatement again,, realized the resource circulation utilization also through the recycling of chromium.
This device carried out examination at the cold rolling chrome waste liquid water station of Wuhan Iron and Steel Plant and used.Chrome waste liquid concentration is 1～3g/L.Acidity is PH=5～6.Contain small amount of Fe in the waste liquid
3+Move a week continuously by above-mentioned technology, the discharge of wastewater mouth detects chromium (VI) content all less than 0.2mg/L.
Claims (2)
1. chrome waste liquid is disposed retrieving arrangement, it is characterized in that it comprises that chrome waste liquid storage tank (1), accent alkali jar (2), plate-and-frame filter press (3), acid adjustment jar (4), extraction agent reclaim storage tank (5), extraction tank (6), liquid concentrator storage tank (7), high-order storage acid jar (8), complex acid jar (9), high-order storage alkali jar (10), alkali-prepared tank (11); Alkali-prepared tank (11) is provided with and adds the alkali mouth, and alkali-prepared tank (11) is connected by the input aperture of first pipeline (12) with high-order storage alkali jar (10), and first pipeline (12) is provided with first pump (13), first vacuum breaker (14); The riser of high-order storage alkali jar (10) is connected with alkali-prepared tank (11) by second pipeline (15), and the delivery port of high-order storage alkali jar (10) is connected with extraction tank (6) by the 3rd pipeline (16), and the 3rd pipeline (16) is provided with spinner-type flowmeter (17) and by-pass valve control; The 4th pipeline (18) one ends are connected with transferring alkali jar (2), and the 4th pipeline (18) one ends are connected with the 3rd pipeline (16) or high-order storage alkali jar (10), and the 4th pipeline (18) is provided with by-pass valve control;
Complex acid jar (9) is provided with acid-adding port, and complex acid jar (9) is connected with high-order storage acid jar (8) by the 5th pipeline (19), and the 5th pipeline (19) is provided with second pump (20), second vacuum breaker (21); The riser of high-order storage acid jar (8) is connected with complex acid jar (9) by the 6th pipeline (22), and the delivery port of high-order storage acid jar (8) is connected with extraction tank (6) by the 7th pipeline (23), and the 7th pipeline (23) is provided with spinner-type flowmeter and by-pass valve control; The 8th pipeline (24) one ends are connected with acid adjustment jar (4), and the 8th pipeline (24) the other end is connected with the 7th pipeline (23) or high-order storage acid jar (8), and the 8th pipeline (24) is provided with by-pass valve control;
Chrome waste liquid storage tank (1) is provided with riser (25) and chrome waste liquid input tube (26), and chrome waste liquid storage tank (1) is connected with transferring alkali jar (2) by the 9th pipeline (27), and the 9th pipeline (27) is provided with by-pass valve control; Transfer alkali jar (2) to be connected by the input terminus of the tenth pipeline (28) with plate-and-frame filter press (3), the tenth pipeline (28) is provided with the 3rd pump (29), the 3rd vacuum breaker (30); The output terminal of plate-and-frame filter press (3) is connected with acid adjustment jar (4) by the 11 pipeline (31), and the 11 pipeline (31) is provided with by-pass valve control; Acid adjustment jar (4 by) the 12 pipeline (32) is connected with extraction tank (6), and the 12 pipeline (32) is provided with the 4th pump (33), the 4th vacuum breaker (34), spinner-type flowmeter;
Extraction tank (6) is provided with drain and thief hole; The concentrated solution outlet of extraction tank (6) is connected with liquid concentrator storage tank (7) by the 13 pipeline (35), and liquid concentrator storage tank (7) is provided with venting port and liquid concentrator purger; The extraction agent of extraction tank (6) reclaims mouth and is connected by the 14 pipeline (36) and extraction agent recovery storage tank (5); Extraction agent reclaims storage tank (5) and is connected with extraction tank (6) by the 15 pipeline (37), and the 15 pipeline (37) is provided with the 5th pump (38), the 5th vacuum breaker (39), spinner-type flowmeter.
2. chrome waste liquid according to claim 1 is disposed retrieving arrangement; It is characterized in that, said chromium waste liquid storage tank (1), transfer alkali jar (2), plate-and-frame filter press (3), acid adjustment jar (4), extraction agent to reclaim storage tank (5), extraction tank (6), liquid concentrator storage tank (7), high-order storage acid jar (8), complex acid jar (9), high-order storage alkali jar (10) and alkali-prepared tank (11) to be arranged on movably in the freight container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201087475U CN202492423U (en) | 2012-03-21 | 2012-03-21 | Disposal recovery device of chrome-containing liquid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201087475U CN202492423U (en) | 2012-03-21 | 2012-03-21 | Disposal recovery device of chrome-containing liquid waste |
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| Publication Number | Publication Date |
|---|---|
| CN202492423U true CN202492423U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201087475U Expired - Lifetime CN202492423U (en) | 2012-03-21 | 2012-03-21 | Disposal recovery device of chrome-containing liquid waste |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616955A (en) * | 2012-03-21 | 2012-08-01 | 武汉巍川环保科技有限责任公司 | Process and device for treating and recycling chromium-containing waste liquor |
| CN105334884A (en) * | 2015-11-20 | 2016-02-17 | 福建龙氟化工有限公司 | Auto-controlling device of cooling water PH value of hydrogen fluoride equipment |
| CN110468283A (en) * | 2019-09-28 | 2019-11-19 | 绍兴图雅电子科技有限公司 | A kind of equipment recycling lithium from battery electrode material leachate |
-
2012
- 2012-03-21 CN CN2012201087475U patent/CN202492423U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616955A (en) * | 2012-03-21 | 2012-08-01 | 武汉巍川环保科技有限责任公司 | Process and device for treating and recycling chromium-containing waste liquor |
| CN105334884A (en) * | 2015-11-20 | 2016-02-17 | 福建龙氟化工有限公司 | Auto-controlling device of cooling water PH value of hydrogen fluoride equipment |
| CN110468283A (en) * | 2019-09-28 | 2019-11-19 | 绍兴图雅电子科技有限公司 | A kind of equipment recycling lithium from battery electrode material leachate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
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| CX01 | Expiry of patent term |