CN212076529U

CN212076529U - Integrated treatment device for zinc-plating wastewater

Info

Publication number: CN212076529U
Application number: CN201922344095.XU
Authority: CN
Inventors: 孙红波
Original assignee: Shijiazhuang Junchi Environmental Protection Technology Co ltd
Current assignee: Shijiazhuang Junchi Environmental Protection Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-12-04
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a zinc-plating waste water integration treatment device, including handling the case, the inside fixed mounting who handles the case has a plurality of division board and division board to separate into with the case and become with the unit room, coagulate the unit room, erect and flow precipitation unit room, pipe chute precipitation unit room, sludge concentration unit room, the equal fixed mounting in top face of neutralization unit room, coagulation unit room has the bottom face of mixer and mixer all to rotate through the shaft coupling and install the puddler, and the puddler is located neutralization unit room, coagulation unit room respectively simultaneously, the top face of neutralization unit room, coagulation unit room is equipped with sodium hydroxide respectively and throws the mouth, the mouth is thrown to the coagulant, the outside top face of neutralization unit room is equipped with the water inlet, erect and flow precipitation unit room, pipe chute precipitation unit room's outer wall down the terminal surface is equipped with row mud mouth. The utility model has the advantages of simple structure and reasonable design, it is good to the processing of waste water to practice thrift manufacturing cost, the practicality is stronger.

Description

Integrated treatment device for zinc-plating wastewater

Technical Field

The utility model relates to a zinc-plating waste water integration processing apparatus technical field specifically is a zinc-plating waste water integration processing apparatus.

Background

The sources of the electroplating wastewater are generally: (1) cleaning water for the plated part; (2) a waste plating solution; (3) other waste waters including flushing the floor of the shop, scrubbing the polar plates, aeration equipment condensation, and various bath liquids and drains that "run, spill, drip, leak" due to bath leakage or improper operation and management; (4) the equipment cools the water, and the cooling water is not polluted except for temperature rise in the using process. The quality and quantity of the electroplating wastewater are related to the process conditions, production load, operation management, water using mode and other factors of electroplating production. The quality of the electroplating wastewater is complex, the components are not easy to control, the electroplating wastewater contains heavy metal ions such as chromium, cadmium, nickel, copper, zinc, gold, silver and the like, cyanide and the like, and some of the electroplating wastewater belongs to carcinogenic, teratogenic and mutagenic virulent substances;

the conventional apparatus has the following disadvantages:

at present, the treatment effect of most of the integrated treatment devices for the zinc-plating waste water is not good, the cost is higher, the existing requirements cannot be met, and the integrated treatment device for the zinc-plating waste water is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zinc-plating waste water integration processing apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a treatment box, wherein a plurality of partition plates are fixedly arranged in the treatment box, the treatment box is divided into a neutralization unit chamber, a coagulation unit chamber, a vertical flow precipitation unit chamber, an inclined tube precipitation unit chamber and a sludge concentration unit chamber by the partition plates, the top end surfaces of the neutralization unit chamber and the coagulation unit chamber are fixedly provided with a stirrer, the bottom end surface of the stirrer is rotatably provided with a stirring rod by a coupler, the stirring rod is positioned in the neutralization unit chamber and the coagulation unit chamber respectively, the top end surfaces of the neutralization unit chamber and the coagulation unit chamber are provided with a sodium hydroxide feeding port and a coagulant feeding port respectively, the outer top end surface of the neutralization unit chamber is provided with a water inlet, the lower end surfaces of the outer walls of the vertical flow precipitation unit chamber and the inclined tube precipitation unit chamber are provided with a sludge discharge port, the top end surface of the outer wall of the inclined tube precipitation unit chamber is provided with a water outlet, and the treatment, the equal fixed mounting of output, the input of dredge pump has contact tube, induction pipe simultaneously, the inside top end face fixed mounting of vertical flow precipitation unit room has a water distribution section of thick bamboo, dredge pump output contact tube and water distribution section of thick bamboo fixed connection simultaneously, division board top end face between vertical flow precipitation unit room, the pipe chute precipitation unit room is equipped with U type notch, the outer wall fixed mounting of handling the case has the controller, and dredge pump, mixer all are connected with the controller electricity simultaneously.

Preferably, the inner walls of the water inlet, the water outlet and the sludge discharge port, which are fixedly provided with the connectors, are provided with threads, and the connectors are internally provided with sealing rings.

Preferably, the bottom end face of the outer wall surface of the treatment box is fixedly provided with a non-slip mat made of rubber materials.

Preferably, an umbrella-shaped baffle is fixedly installed on the lower end face in the vertical flow sedimentation unit chamber, and the top end face of the umbrella-shaped baffle and the center line of the water distribution cylinder are located on the same horizontal line.

Preferably, the inclined tube precipitation unit chamber is provided with an inclined tube in the sedimentation area.

Preferably, the treatment box and the stirring rod are made of alloy materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the device material can select multiple anticorrosive material such as polypropylene, PVC, glass steel, equipment long service life, operation stability according to quality of water characteristics, and the treatment effeciency is high.

2. The utility model discloses the system mud output is few, avoids the pollution sources to shift, saves the treatment cost of working costs and mud.

3. The utility model discloses degree of automation is high, does not need the special messenger on duty, only needs to maintain equipment and accessory periodic maintenance.

4. The utility model discloses the technology is perfect, the technology is mature, practices thrift area, has reduced investment cost.

5. The utility model discloses do not receive the restriction of waste water volume, flexible, but single use, also a plurality of jointly use provides convenience for later stage reconstruction extension, standard promotion.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an integrated treatment device for galvanized wastewater of the present invention;

FIG. 2 is a schematic view of a sectional connection structure of the integrated treatment device for galvanized wastewater of the present invention;

FIG. 3 is a schematic view of the local connection structure of the integrated treatment device for zinc-plating wastewater of the utility model.

In the figure: 1. a controller; 2. a treatment tank; 3. a partition plate; 4. a neutralization unit chamber; 5. a coagulation unit chamber; 6. a vertical flow precipitation unit chamber; 7. an inclined tube precipitation unit chamber; 8. a sludge concentration unit chamber; 9. a blender; 10. a stirring rod; 11. a sodium hydroxide feeding port; 12. a coagulant adding port; 13. a water inlet; 14. a sludge discharge port; 15. a water outlet; 16. a water distribution cylinder; 17. an umbrella-shaped baffle; 18. a connecting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides an integrated treatment device for zinc plating wastewater, which comprises: comprises a treatment box 2, a plurality of partition boards 3 are fixedly arranged in the treatment box 2, the treatment box 2 is divided into a neutralization unit chamber 4, a coagulation unit chamber 5, a vertical flow precipitation unit chamber 6, an inclined tube precipitation unit chamber 7 and a sludge concentration unit chamber 8 by the partition boards 3, a stirrer 9 is fixedly arranged on the top end surfaces of the neutralization unit chamber 4 and the coagulation unit chamber 5, a stirring rod 10 is rotatably arranged on the bottom end surface of the stirrer 9 through a coupler, the stirring rod 10 is respectively positioned in the neutralization unit chamber 4 and the coagulation unit chamber 5, a sodium hydroxide feeding port 11 and a coagulant feeding port 12 are respectively arranged on the top end surfaces of the neutralization unit chamber 4 and the coagulation unit chamber 5, a water inlet 13 is arranged on the top end surface of the outer wall of the neutralization unit chamber 4, a sludge discharge port 14 is arranged on the bottom end surfaces of the outer walls of the vertical flow precipitation unit chamber 6 and the inclined tube precipitation unit chamber 7, and a water outlet 15 is arranged on the top end surface of, the treatment box 2 is provided with a plurality of mud pumps (a plurality of mud pumps are arranged), the output ends and the input ends of the mud pumps are fixedly provided with a delivery pipe and a lead-in pipe, the top end surface of the interior of the vertical flow precipitation unit chamber 6 is fixedly provided with a water distribution cylinder 16, the delivery pipe of the output end of the mud pump is fixedly connected with the water distribution cylinder 16, the top end surface of a partition plate 3 between the vertical flow precipitation unit chamber 6 and the inclined tube precipitation unit chamber 7 is provided with a U-shaped notch, the outer wall surface of the treatment box 2 is fixedly provided with a controller 1, and the mud pumps and a stirrer 9 are electrically connected with the controller 1.

The water inlet 13, the water outlet 15 and the sludge discharge port 14 are all fixedly provided with a connector 18, the inner wall of the connector 18 is provided with threads, and meanwhile, a sealing ring is arranged inside the connector 18 and used for improving the sealing performance.

The bottom end face of the outer wall surface of the treatment box 2 is fixedly provided with an anti-slip pad made of rubber materials, and the anti-slip pad is used for preventing slipping.

An umbrella-shaped baffle 17 is fixedly arranged on the lower end face in the vertical flow precipitation unit chamber 6, and the top end face of the umbrella-shaped baffle 17 and the central line of the water distribution cylinder 16 are positioned on the same horizontal line.

The inclined tube precipitation unit chamber 7 is provided with inclined tubes needing to be dense in a precipitation area, the inclined tubes can improve the precipitation efficiency by 50-60%, the treatment capacity can be improved by 3-5 times in the same area, and water flows upwards along the inclined tubes.

The material of the treatment box 2 and the stirring rod 10 can select various anticorrosive materials such as polypropylene, PVC, glass fiber reinforced plastics and the like according to the characteristics of water quality, so that the equipment has long service life, stable operation and high treatment efficiency.

The working principle is as follows: when the utility model is used, the whole device is installed at a designated position, the galvanized wastewater is collected through a workshop pipe network and then enters a regulating tank, the water quality and the water quantity are homogenized and equalized through the regulating tank and then enters a neutralization unit chamber 4, sodium hydroxide is prepared into aqueous solution, the aqueous solution is added into the neutralization unit chamber 4 from a sodium hydroxide adding port 11 according to the required amount (at the moment, a stirrer 9 is started to drive a stirring rod 10 to improve the efficiency), the pH value of the wastewater is improved, heavy metal ions Zn2+ and Fe3+ (Fe 2 +) in the wastewater form hydroxide precipitates, then a mud pump of the neutralization unit chamber 4 is started to guide the solution and the precipitates into a coagulation unit chamber 5, then a proper amount of coagulant is added into a coagulant adding port 12, fine suspended matters in the wastewater are coagulated into large granular flocs under the action of the coagulant, and then the mud pump of the coagulation unit chamber 5 is started, large granular floccules are pumped into a vertical flow sedimentation unit chamber 6 by a mud pump, suspended matters are settled and enter a conical mud sedimentation hopper of the vertical flow sedimentation unit chamber 6, clarified water automatically flows to an inclined tube sedimentation unit chamber 7 from a U-shaped notch overflow weir, inclined tubes which are dense are arranged in a sedimentation area in the inclined tube sedimentation unit chamber 7, so that the sedimentation efficiency can be improved by 50-60 percent by the inclined tubes, the treatment capacity can be improved by 3-5 times on the same area, water flows upwards along the inclined tubes, separated mud residues slide downwards along the inclined tubes under the action of gravity to the bottom of the inclined tube sedimentation unit chamber 7, supernatant liquid gradually rises and is collected by a collection weir groove and then discharged, settled mud of the vertical flow sedimentation unit chamber 6 and the inclined tube sedimentation unit chamber 7 is periodically discharged into a mud concentration unit chamber 8, a supernatant liquid return pipe is arranged at the upper part of the mud concentration unit chamber 8, and the mud is further dewatered by a centrifugal dehydrator after being concentrated to reduce the water content of the mud, and (5) carrying out treatment on the dewatered sludge.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a zinc-plating waste water integration processing apparatus, is including handling case (2), its characterized in that: the inner part of the treatment box (2) is fixedly provided with a plurality of partition plates (3), the partition plates (3) separate the treatment box (2) into a neutralization unit chamber (4), a coagulation unit chamber (5), a vertical flow precipitation unit chamber (6), an inclined tube precipitation unit chamber (7) and a sludge concentration unit chamber (8), the top end surfaces of the neutralization unit chamber (4) and the coagulation unit chamber (5) are fixedly provided with a stirrer (9), the bottom end surface of the stirrer (9) is rotatably provided with a stirring rod (10) through a coupler, the stirring rod (10) is respectively positioned in the neutralization unit chamber (4) and the coagulation unit chamber (5), the top end surfaces of the neutralization unit chamber (4) and the coagulation unit chamber (5) are respectively provided with a sodium hydroxide feeding port (11) and a coagulant feeding port (12), the outer top end surface of the neutralization unit chamber (4) is provided with a water inlet (13), the utility model discloses a sediment cell, including setting up the outer wall of setting up the mud pump, setting up.

2. The integrated treatment device for the galvanizing wastewater according to claim 1, characterized in that: the inner wall of the water inlet (13), the water outlet (15) and the sludge discharge port (14) which are fixedly provided with the connectors (18) and the connectors (18) is provided with threads, and the inside of the connectors (18) is provided with a sealing ring.

3. The integrated treatment device for the galvanizing wastewater according to claim 1, characterized in that: and the bottom end face of the outer wall surface of the treatment box (2) is fixedly provided with an anti-slip pad made of rubber material.

4. The integrated treatment device for the galvanizing wastewater according to claim 1, characterized in that: an umbrella-shaped baffle (17) is fixedly installed on the lower end face in the vertical flow precipitation unit chamber (6), and meanwhile, the top end face of the umbrella-shaped baffle (17) and the center line of the water distribution cylinder (16) are located on the same horizontal line.

5. The integrated treatment device for the galvanizing wastewater according to claim 1, characterized in that: the inclined tube precipitation unit chamber (7) is provided with inclined tubes needing to be dense in a sedimentation area.

6. The integrated treatment device for the galvanizing wastewater according to claim 1, characterized in that: the treatment box (2) and the stirring rod (10) are made of alloy materials.