CN202323095U - Electrodeposited chromium recovery system - Google Patents

Electrodeposited chromium recovery system Download PDF

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Publication number
CN202323095U
CN202323095U CN2011204243413U CN201120424341U CN202323095U CN 202323095 U CN202323095 U CN 202323095U CN 2011204243413 U CN2011204243413 U CN 2011204243413U CN 201120424341 U CN201120424341 U CN 201120424341U CN 202323095 U CN202323095 U CN 202323095U
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China
Prior art keywords
accumulator tank
liquid level
deposit groove
recovery system
chrome
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Expired - Fee Related
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CN2011204243413U
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Chinese (zh)
Inventor
吕春林
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SHENZHEN HKD PLATING EQUIPMENT Co Ltd
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SHENZHEN HKD PLATING EQUIPMENT Co Ltd
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Abstract

The utility model relates to an electrodeposited chromium recovery system, which is used for condensing chromium-containing waste liquor in a recovery tank of an electroplating production line and conveying the chromium-containing waste liquor back to a chromium-plating bath in the electroplating production line. The electrodeposited chromium recovery system comprises a storage tank connected with the recovery tank, wherein the a first circulating pump which is used for pumping liquor in the recovery tank into the storage tank is arranged on a connecting pipeline between the recovery tank and the storage tank; the storage tank is connected to a concentrating tower; a second circulating pump which is used for pumping the chromium-containing waste liquor to the concentrating tower is arranged on a connecting pipeline between the storage tank and the concentrating tower; the concentrating tower is connected to the storage tank through a return pipe so as to convey the concentrated waste liquor back to the storage tank; and the electrodeposited chromium recovery system further comprises a waste gas purifying tower which is communicated with the concentrating tower and used for purifying chromium-containing waste gas generated through concentrating. According to the electrodeposited chromium recovery system disclosed by the utility model, chromium can be effectively recycled; meanwhile, the chromium-containing waste gas generated through concentrating can be purified, thus pollution to air is avoided, and purification of discharged waste gas can be effectively ensured; in addition, the whole electrodeposited chromium recovery system is low in cost and more suitable for popularization and generalization.

Description

A kind of electrodeposited chromium recovery system
Technical field
The utility model relates to the electroplating technology field, more particularly, relates to a kind of electrodeposited chromium recovery system.
Background technology
Plating is one of the current whole world three big contaminated industries, in electroplating process, can produce a certain amount of sexavalent chrome rinse water that contains; The chromium ion that wherein contains higher concentration; As do not reclaim, fall as just wastewater treatment, then can let chromium ion waste in vain in the waste water; Also certain processing costs can be produced, also certain harm can be caused environment.Some factory adopts the method for heating tube evaporation or adopts condensing surface to isolate chromium at present, but existing chromium recovery system cost is higher, and organic efficiency is lower, is difficult to popularization and application.
The utility model content
The technical problem that the utility model will solve is, to the above-mentioned defective of prior art, but a kind of efficient recovery electrodeposited chromium and the low electrodeposited chromium recovery system of cost is provided.
The utility model solves the technical scheme that its technical problem adopted:
Construct a kind of electrodeposited chromium recovery system; Being used for electroplating in the accumulator tank that produces line chrome waste liquid concentrates and sends back in the chrome-plating bath of electroplating the product line; Wherein, Comprise the deposit groove that is connected with said chrome-plating bath with said accumulator tank, the connection line of said accumulator tank and said deposit groove is provided with and is used for liquid in the said accumulator tank is pumped into first recycle pump in the deposit groove; Said deposit groove is connected to a upgrading tower, and the connection line of said deposit groove and said upgrading tower is provided with second recycle pump that is used for said chrome waste liquid is pumped into said upgrading tower; Said upgrading tower is connected to said deposit groove, sends back to said deposit groove will pass through spissated chrome waste liquid through return line;
Said electrodeposited chromium recovery system also comprises with said upgrading tower and being connected, is used to purify the concentrated Tower for purifying waste gas that contains chromium waste gas that produces; The temperature-sensitive pump that is provided with the well heater that is used for the said chrome waste liquid of electrolysis in the said deposit groove and is used to control Heating temperature.
The described electrodeposited chromium recovery system of the utility model wherein, is provided with the 5th liquidometer that is used to monitor liquid level information in the said chrome-plating bath in the said chrome-plating bath;
Said electrodeposited chromium recovery system also comprises the gear that is connected with said the 5th liquidometer; When being used in said chrome-plating bath liquid level and descending; To open with the SV that said chrome-plating bath is connected; And, liquid in the said deposit groove is pumped in the said chrome-plating bath via said first recycle pump with said upgrading tower ingress closed electromagnetic valve.
The described electrodeposited chromium recovery system of the utility model wherein, is provided with said gear the 4th liquidometer that is connected, is used to monitor liquid level information in the said deposit groove in the said deposit groove;
Said gear; When being used for being lower than normal liquid level in said deposit tank liquor position; SV on the said deposit groove connection line is opened; Via said second recycle pump liquid in the said accumulator tank is pumped in the said deposit groove, and replys just often, with SV on the said deposit groove connection line and said second circulation pump in said deposit tank liquor position.
The described electrodeposited chromium recovery system of the utility model, wherein, said accumulator tank comprises first accumulator tank, second accumulator tank and the 3rd accumulator tank that is connected at least;
Said first accumulator tank directly is connected with said deposit groove, and said second accumulator tank is connected with said first accumulator tank, and said again second accumulator tank of said the 3rd accumulator tank connects;
The connection line of said first accumulator tank, second accumulator tank and the 3rd accumulator tank is provided with the 3rd recycle pump, and said the 3rd accumulator tank ingress is provided with water inlet pipe.
The described electrodeposited chromium recovery system of the utility model wherein, is provided with said gear first liquidometer that is connected, is used to monitor liquid level information in said first accumulator tank in said first accumulator tank; Wherein,
Said gear; When being used for that liquid level is lower than normal liquid level in said first accumulator tank; The said first accumulator tank ingress SV is opened, and the exit SV of said second accumulator tank is opened, liquid in said second accumulator tank is pumped in said first accumulator tank via said the 3rd recycle pump; And in said first accumulator tank liquid level just often, with the exit SV and said the 3rd circulation pump of the said first accumulator tank ingress SV, said second accumulator tank.
The described electrodeposited chromium recovery system of the utility model wherein, is provided with said gear second liquidometer that is connected, is used to monitor liquid level information in said second accumulator tank in said second accumulator tank; Wherein,
Said gear; When being used for that liquid level is lower than normal liquid level in said second accumulator tank; The said second accumulator tank ingress SV is opened, and the exit SV of said the 3rd accumulator tank is opened, liquid in said the 3rd accumulator tank is pumped in said second accumulator tank via said the 3rd recycle pump; And in said second accumulator tank liquid level just often, with the exit SV and said the 3rd circulation pump of the said second accumulator tank ingress SV, said the 3rd accumulator tank.
The described electrodeposited chromium recovery system of the utility model wherein, is provided with said gear the 3rd liquidometer that is connected, is used to monitor liquid level information in said the 3rd accumulator tank in said the 3rd accumulator tank;
Said gear; When being used for that liquid level is lower than normal liquid level in said the 3rd accumulator tank; Said the 3rd accumulator tank ingress SV is opened, in said the 3rd accumulator tank of trend, added water, and liquid level is just often in said the 3rd accumulator tank through water inlet pipe; With said the 3rd accumulator tank ingress closed electromagnetic valve, stop to add water.
The beneficial effect of the utility model is: through upgrading tower is set chrome waste liquid is concentrated; The deposit groove that setting simultaneously is connected with accumulator tank, chrome-plating bath and upgrading tower; Be used to store and electrolysis chrome waste liquid and the chrome waste liquid after concentrating that refluxes from upgrading tower; After treating that chromium content reaches finite concentration, the liquid that will lay in again in the groove is injected in the chrome-plating bath, effectively realizes the recycling of chromium.Even more advantageously, behind upgrading tower, be connected with Tower for purifying waste gas, purify, avoided pollution, effectively guarantee the purification of exhaust gas emission air with concentrating the chromium waste gas that contains that is produced, environmental protection more, and total system is cheap, is fit to more popularize.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the electrodeposited chromium recovery system schematic diagram of the utility model preferred embodiment;
Fig. 2 is that the accumulator tank of the utility model preferred embodiment connects synoptic diagram.
Embodiment
The electrodeposited chromium recovery system of the utility model preferred embodiment is as shown in Figure 1; Being used for electroplating in the accumulator tank 10 that produces line chrome waste liquids concentrates and sends back in the chrome-plating bath 50 of electroplating the product line; Comprising the deposit groove 20 that is connected with chrome-plating bath 50 with accumulator tank 10, the connection line of accumulator tank 10 and deposit groove 20 is provided with and is used for liquid in the accumulator tank 10 are pumped into first recycle pump 61 in the deposit groove 20; Deposit groove 20 is connected to a upgrading tower 30, and deposit groove 20 is provided with second recycle pump 62 that is used for chrome waste liquid is pumped into upgrading tower 30 with the connection line of upgrading tower 30; Upgrading tower 30 is connected to deposit groove 20, sends back to deposit groove 20 will pass through spissated chrome waste liquid through return line 71.This electrodeposited chromium recovery system also comprises with upgrading tower 30 and being connected, is used to purify the concentrated Tower for purifying waste gas that contains chromium waste gas 40 that produces.Wherein, in the Tower for purifying waste gas 40 small-sized spray pump can be set, neutralize to containing chromium waste gas with ejection liquid medicine.
The temperature-sensitive pump 22 that in deposit groove 20, is provided with the well heater 21 that is used for the electrolysis chrome waste liquid and is used to control Heating temperature.Like this can be at deposit groove 20 internal heating, Heating temperature is 40~45 ℃, adopts temperature-sensitive pump 22 to carry out temperature control; Make the chromic acid continuous electrolysis; After waiting to reach finite concentration, be injected in the chrome-plating bath 50 through first recycle pump 61 again, so not only can avoid the discharging of chrome waste liquid; Can also realize abundant recycling, enhance productivity chromium.Even more advantageously, owing to behind upgrading tower 30, be connected with Tower for purifying waste gas 40, purify concentrating the chromium waste gas that contains that is produced; Avoided pollution, effectively guaranteed the purification of exhaust gas emission, more environmental protection air; And total system is cheap, is fit to more popularize.
In a further embodiment, as shown in Figure 1, in chrome-plating bath 50, be provided with the 5th liquidometer 85 that is used to monitor liquid level information in the chrome-plating bath.The electrodeposited chromium recovery system also comprises the gear (not shown) that is connected with the 5th liquidometer 85; Be used to obtain the liquid level information that the 5th liquidometer 85 is monitored; And when liquid level descends in chrome-plating bath 50; To open with the SV that chrome-plating bath 50 is connected, and, will lay in groove 20 interior liquid via first recycle pump 61 and be pumped in the chrome-plating bath 50 upgrading tower 30 ingress closed electromagnetic valves.Because what lay in groove 20 interior storages is the chromic acid liquid after process concentrates also electrolysis, can realize the recycling to chromium like this, the saving cost.
In a further embodiment, as shown in Figure 1, in deposit groove 20, be provided with the 4th liquidometer 84 that is connected, is used to monitor liquid level information in the deposit groove 20 with above-mentioned gear.Gear also is used to obtain the liquid level information that the 4th liquidometer 84 is monitored; And when deposit groove 20 liquid levels are lower than normal liquid level; SV on deposit groove 20 connection lines is opened; Via second recycle pump 62 liquid in the accumulator tank 10 is pumped in the deposit groove 20, and replys just often, the SV and second recycle pump 62 on deposit groove 20 connection lines are closed in deposit groove 20 liquid levels.After liquid replenished in the chrome-plating bath 50 in will laying in groove 20, the liquid levels that will inevitably cause laying in the groove 20 reduced, and through said process, can realize the replenishing of liquid in the deposit groove 20, and realized that circulation to chrome waste liquid concentrates to utilize.
In embodiment further, as shown in Figure 2, accumulator tank 10 comprises first accumulator tank 11, second accumulator tank 12 and the 3rd accumulator tank 13 that is connected at least.Wherein, the connection line of first accumulator tank 11, second accumulator tank 12 and the 3rd accumulator tank 13 is provided with the 3rd recycle pump 63, the three accumulator tanks 13 ingress and is provided with water inlet pipe 72.Preferably, first accumulator tank 11 directly is connected with deposit groove 20, and second accumulator tank 12 is connected with first accumulator tank 11, and the 3rd accumulator tank 13 is connected with second accumulator tank 12 again.When liquid level reduces in the deposit groove 20; Preferentially extract liquid from containing in the first higher accumulator tank 11 of chromium concn; When liquid level in first accumulator tank 11 reduces, can liquid in second accumulator tank 12 be pumped in first accumulator tank 11 via the 3rd recycle pump 63 and replenish.Correspondingly, when liquid level in second accumulator tank 12 reduces, also can liquid in the 3rd accumulator tank 13 be pumped in second accumulator tank 12 and replenish via the 3rd recycle pump 63.
In embodiment further, as shown in Figure 2, in first accumulator tank 11, be provided with first liquidometer 81 that is connected, is used to monitor liquid level information in first accumulator tank 11 with gear.At this moment; When gear is used for that liquid level is lower than normal liquid level in first accumulator tank 11; First accumulator tank, 11 ingress SVs are opened, and the exit SV of second accumulator tank 12 is opened, liquid in second accumulator tank 12 is pumped in first accumulator tank 11 via the 3rd recycle pump 63; And liquid level is just often closed the exit SV and the 3rd recycle pump 63 of first accumulator tank, 11 ingress SVs, second accumulator tank 12 in first accumulator tank 11.
In embodiment further, as shown in Figure 2, in second accumulator tank 12, be provided with second liquidometer 82 that is connected, is used to monitor liquid level information in second accumulator tank 12 with gear.At this moment; When gear is used for that liquid level is lower than normal liquid level in second accumulator tank 12; Second accumulator tank, 12 ingress SVs are opened, and the exit SV of the 3rd accumulator tank 13 is opened, liquid in the 3rd accumulator tank 13 is pumped in second accumulator tank 12 via the 3rd recycle pump 63; And liquid level is just often closed the exit SV and the 3rd recycle pump 63 of second accumulator tank, 12 ingress SVs, the 3rd accumulator tank 13 in second accumulator tank 12.
In embodiment further, as shown in Figure 2, in the 3rd accumulator tank 13, be provided with the 3rd liquidometer 83 that is connected, is used to monitor liquid level information in the 3rd accumulator tank 13 with gear.At this moment; When gear is used for that liquid level is lower than normal liquid level in the 3rd accumulator tank 13; The 3rd accumulator tank 13 ingress SVs are opened, in trend the 3rd accumulator tank 13, added water, and liquid level is just often in the 3rd accumulator tank 13 through water inlet pipe 72; With the 3rd accumulator tank 13 ingress closed electromagnetic valves, stop to add water.
In sum; The utility model concentrates through 30 pairs of chrome waste liquids of upgrading tower are set; The deposit groove 20 is connected with accumulator tank 10, chrome-plating bath 50 and upgrading tower 30 is set simultaneously, is used to store and electrolysis chrome waste liquid and from the chrome waste liquid after concentrated of upgrading tower 30 backflows, treat that chromium content reaches finite concentration after; The liquid that to lay in again in the groove 20 is injected in the chrome-plating bath 50, effectively realizes the recycling of chromium.Even more advantageously, behind upgrading tower 30, be connected with Tower for purifying waste gas 40, purify, avoided pollution, effectively guarantee the purification of exhaust gas emission, more environmental protection air with concentrating the chromium waste gas that contains that is produced.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model accompanying claims according to above-mentioned explanation.

Claims (7)

1. electrodeposited chromium recovery system; Being used for electroplating interior the chrome waste liquid of accumulator tank (10) that produces line concentrates and sends back in the chrome-plating bath (50) of plating product line; It is characterized in that; Comprise the deposit groove (20) that is connected with said chrome-plating bath (50) with said accumulator tank (10), the connection line of said accumulator tank (10) and said deposit groove (20) is provided with and is used for the interior liquid of said accumulator tank (10) is pumped into first recycle pump (61) in the deposit groove (20); Said deposit groove (20) is connected to a upgrading tower (30), and said deposit groove (20) is provided with second recycle pump (62) that is used for said chrome waste liquid is pumped into said upgrading tower (30) with the connection line of said upgrading tower (30); Said upgrading tower (30) is connected to said deposit groove (20), sends back to said deposit groove (20) will pass through spissated chrome waste liquid through return line (71);
Said electrodeposited chromium recovery system also comprises with said upgrading tower (30) and being connected, is used to purify the concentrated Tower for purifying waste gas that contains chromium waste gas (40) that produces; The temperature-sensitive pump (22) that is provided with the well heater (21) that is used for the said chrome waste liquid of electrolysis in the said deposit groove (20) and is used to control Heating temperature.
2. electrodeposited chromium recovery system according to claim 1 is characterized in that, is provided with the 5th liquidometer (85) that is used to monitor the interior liquid level information of said chrome-plating bath (50) in the said chrome-plating bath (50);
Said electrodeposited chromium recovery system also comprises the gear that is connected with said the 5th liquidometer (85); When being used in said chrome-plating bath (50) liquid level and descending; The SV that will be connected with said chrome-plating bath (50) is opened; And, the interior liquid of said deposit groove (20) is pumped in the said chrome-plating bath (50) via said first recycle pump (61) with said upgrading tower (30) ingress closed electromagnetic valve.
3. electrodeposited chromium recovery system according to claim 2 is characterized in that, is provided with said gear the 4th liquidometer (84) that is connected, is used to monitor the interior liquid level information of said deposit groove (20) in the said deposit groove (20);
Said gear; Be used at said deposit groove (20) when liquid level is lower than normal liquid level; SV on said deposit groove (20) connection line is opened; Via said second recycle pump (62) the interior liquid of said accumulator tank (10) is pumped in the said deposit groove (20), and replys just often, SV on said deposit groove (20) connection line and said second recycle pump (62) are closed in said deposit groove (20) liquid level.
4. electrodeposited chromium recovery system according to claim 3 is characterized in that, said accumulator tank (10) comprises first accumulator tank (11), second accumulator tank (12) and the 3rd accumulator tank (13) that is connected at least;
Said first accumulator tank (11) directly is connected with said deposit groove (20), and said second accumulator tank (12) is connected with said first accumulator tank (11), and said again second accumulator tank of said the 3rd accumulator tank (13) (12) connects;
The connection line of said first accumulator tank (11), second accumulator tank (12) and the 3rd accumulator tank (13) is provided with the 3rd recycle pump (13), and said the 3rd accumulator tank (13) ingress is provided with water inlet pipe (72).
5. electrodeposited chromium recovery system according to claim 4 is characterized in that, is provided with said gear first liquidometer (81) that is connected, is used to monitor the interior liquid level information of said first accumulator tank (11) in said first accumulator tank (11); Wherein,
Said gear; When being used for that liquid level is lower than normal liquid level in said first accumulator tank (11); Said first accumulator tank (11) ingress SV is opened; And the exit SV of said second accumulator tank (12) opened; Via said the 3rd recycle pump (63) the interior liquid of said second accumulator tank (12) is pumped in said first accumulator tank (11), and liquid level is just often closed the exit SV and said the 3rd recycle pump (63) of said first accumulator tank (11) ingress SV, said second accumulator tank (12) in said first accumulator tank (11).
6. electrodeposited chromium recovery system according to claim 5 is characterized in that, is provided with said gear second liquidometer (82) that is connected, is used to monitor the interior liquid level information of said second accumulator tank (12) in said second accumulator tank (12); Wherein,
Said gear; When being used for that liquid level is lower than normal liquid level in said second accumulator tank (12); Said second accumulator tank (12) ingress SV is opened; And the exit SV of said the 3rd accumulator tank (13) opened; Via said the 3rd recycle pump (63) the interior liquid of said the 3rd accumulator tank (13) is pumped in said second accumulator tank (12), and liquid level is just often closed the exit SV and said the 3rd recycle pump (63) of said second accumulator tank (12) ingress SV, said the 3rd accumulator tank (13) in said second accumulator tank (12).
7. electrodeposited chromium recovery system according to claim 6 is characterized in that, is provided with said gear the 3rd liquidometer (83) that is connected, is used to monitor the interior liquid level information of said the 3rd accumulator tank (13) in said the 3rd accumulator tank (13); Wherein,
Said gear; When being used for that liquid level is lower than normal liquid level in said the 3rd accumulator tank (13); Said the 3rd accumulator tank (13) ingress SV is opened, and from said the 3rd accumulator tank of trend (13) Nei Jiashui, and liquid level is just often in said the 3rd accumulator tank (13) through said water inlet pipe (72); With said the 3rd accumulator tank (13) ingress closed electromagnetic valve, stop to add water.
CN2011204243413U 2011-10-31 2011-10-31 Electrodeposited chromium recovery system Expired - Fee Related CN202323095U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103938239A (en) * 2014-05-11 2014-07-23 山东建筑大学 Steel band continuous copper plating I
CN103938238A (en) * 2014-05-11 2014-07-23 山东建筑大学 Steel strip continuous copper plating III
CN106757035A (en) * 2016-12-23 2017-05-31 佛山市南海铂朗助剂科技有限公司 A kind of medal polish handling process
CN110385001A (en) * 2019-07-31 2019-10-29 河池市机务材料有限公司 A kind of spongy chromium plating plating waste gas recycling device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103938239A (en) * 2014-05-11 2014-07-23 山东建筑大学 Steel band continuous copper plating I
CN103938238A (en) * 2014-05-11 2014-07-23 山东建筑大学 Steel strip continuous copper plating III
CN106757035A (en) * 2016-12-23 2017-05-31 佛山市南海铂朗助剂科技有限公司 A kind of medal polish handling process
CN110385001A (en) * 2019-07-31 2019-10-29 河池市机务材料有限公司 A kind of spongy chromium plating plating waste gas recycling device

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Dongguan Hekeda Industrial Equipment Co. Ltd.

Assignor: Shenzhen HKD Plating Equipment Co., Ltd.

Contract record no.: 2013440000195

Denomination of utility model: Electrodeposited chromium recovery system

Granted publication date: 20120711

License type: Exclusive License

Record date: 20130510

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120711

Termination date: 20171031