System for recovering solid waste and liquid waste after primary reaction of calcium hypochlorite

Abstract

The utility model discloses a system for recovering solid waste and liquid waste after primary reaction of calcium hypochlorite, which comprises a first separator and a second separator, the first separator is connected with an external primary treatment tank through a pipeline, and the second separator is connected with a secondary treatment tank; a discharging area and a liquid discharging pipe are arranged at the lower part of the first separator, and the first separator is connected with the tail end treatment tank through the liquid discharging pipe; the second separator is arranged at the upper part of the tail end treatment tank and is used for directly guiding the solid material into the tail end treatment tank; and a liquid guide pipe is arranged on the second separator and is connected with an external liquid collecting device. In the system, sodium hypochlorite liquid is guided into the tail end treatment tank by the first separator, and solid calcium chloride is guided into the tail end treatment tank after solid-liquid separation is realized after the second separator is connected with the secondary treatment tank, and is subjected to three-time chemical reaction in the tail end treatment tank, so that the sodium hypochlorite liquid is obtained. And reacting the sodium hypochlorite liquid with solid calcium chloride to obtain calcium hypochlorite again.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcium hypochlorite production system technical field, concretely relates to a kind of solid waste and liquid waste recovery system after calcium hypochlorite primary reaction. BACKGROUND

[0002] In the calcium hypochlorite production process, it needs to carry out tank to material stirring to ensure that it carries out sufficient chemical reaction inside;After first chemical reaction, secondary reaction is needed, so there is industrial salt mixture in the material after primary reaction, more specifically for sodium hypochlorite and sodium chloride;After second reaction, the chemical substance obtained is calcium chloride and calcium hypochlorite, after secondary reaction, the calcium hypochlorite needed has been basically obtained, but, the tail discharge after such primary reaction and secondary reaction still contains raw material that can be further chemically reacted, such tail discharge is usually treated as waste or used as raw material for other chemical production in the current production process, but its total utilization rate is low, cannot achieve higher production efficiency, even when discharging, environmental pollution is caused.

[0003] For the waste produced in the above reaction process, combined with actual chemical reaction, as a person skilled in the art, it is necessary to design a set of chemical reaction equipment, which can realize the re-collection and centralized chemical treatment of material, so that secondary extraction of calcium hypochlorite can be realized, and disorderly discharge of chemical materials can be avoided. SUMMARY

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a kind of solid waste and liquid waste recovery system after calcium hypochlorite primary reaction, this kind of processing device carries out unified collection and extraction to tail discharge in primary reaction tank and secondary reaction tank, after extraction, chemical reaction is carried out again, the purpose is to improve the production efficiency of calcium hypochlorite, reduce the pollution of disorderly discharge to environment.

[0005] A kind of solid waste and liquid waste recovery system after calcium hypochlorite primary reaction, it includes first separator and second separator, the first separator is connected with external primary treatment tank by pipeline, the second separator is connected with secondary treatment tank;

[0006] The lower part of the first separator is provided with discharge area and liquid discharge pipe, which is connected with end treatment tank through liquid discharge pipe;The second separator is arranged in the upper part of end treatment tank, and the solid material is directly guided into end treatment tank;

[0007] Liquid guiding pipe is arranged on the second separator and connected with external liquid collecting device.

[0008] The end treatment tank is multiple, a screw conveyor is arranged at the lower part of the second separator, the top of the screw conveyor is connected with the discharge port of the second separator, and a feeding port is arranged at the lower part of the screw conveyor and corresponds to each end treatment tank; and the liquid discharge pipe of the first separator is provided with multiple branches corresponding to the multiple end treatment tanks.

[0009] The secondary treatment tank is arranged on a high platform, and a feeding flow guide pipe is arranged at the bottom of the secondary treatment tank and extends to the second separator, so that the tailing material in the secondary treatment tank can be directly guided to the second separator by gravity.

[0010] The liquid collecting device is provided with a defoaming pipe, the defoaming pipe extends to the upper part of the liquid collecting device, and a plurality of liquid injection holes are arranged on the bottom surface of the defoaming pipe and face the liquid surface, so that the defoaming operation is realized by spraying liquid through the liquid injection holes.

[0011] The first separator is connected with an external primary treatment tank through a pipeline, and the second separator is connected with a secondary treatment tank; the lower part of the first separator is provided with a discharge area and a liquid discharge pipe, and the liquid discharge pipe is connected with an end treatment tank; the second separator is arranged at the upper part of the end treatment tank and directly guides the solid material to the end treatment tank; and a liquid flow guide pipe is arranged on the second separator and connected with an external liquid collecting device.

[0012] The production efficiency of calcium hypochlorite is improved to the highest, the secondary reaction product and the end reaction product are included, the tailing material is reduced, waste is avoided, the production efficiency is improved, the production benefit of a production unit is improved, and environmental pollution is reduced to the lowest. BRIEF DESCRIPTION OF DRAWINGS

[0013] The structure of the device of the utility model will be further described below in combination with the drawings.

[0014] Figure 1 is the front side connection structure of the utility model three-dimensional schematic view;

[0015] Figure 2 is the back side connection structure of the utility model three-dimensional schematic view;

[0016] Figure 3 is the back side connection structure of the utility model schematic view;

[0017] Figure 4is a schematic view of a liquid collecting device connection structure;

[0018] 1, first separator, 11, first tail gas port, 12, industrial salt discharge area, 13, primary treatment feed port, 14, liquid discharge pipe, 15, first liquid supply branch, 16, second liquid supply branch, 2, second separator, 21, second tail gas port, 22, liquid flow guide pipe, 3, end treatment tank I, 31, first support frame, 32, first stirring drive end, 4, auger distributor, 41, first feed port, 42, second feed port, 5, end treatment tank II, 51, second support frame, 52, second stirring drive end, 6, secondary treatment tank, 61, stirring drive device, 62, secondary tank tail discharge pipe, 63, high platform, 7, liquid collecting device, 71, defoaming pipe, 72, liquid injection hole, 73, external discharge hole, 8, tail gas pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below with reference to the drawings.

[0020] Example 1

[0021] A solid waste and liquid waste recovery system after calcium hypochlorite primary reaction, as shown in the drawings, comprises a first separator 1 and a second separator 2, as shown in the drawings, the primary treatment feed port 13 of the first separator 1 is connected with an external primary treatment tank through a pipeline, in this embodiment, the primary treatment tank is usually arranged in a partitioned closed workshop, and no structural details are described here.

[0022] The second separator 2 is connected with a secondary treatment tank 6, usually, the person skilled in the art arranges the secondary treatment tank 6 on the high platform 63, the bottom of the secondary treatment tank 6 is provided with a feed flow guide pipe 62, the top of the secondary treatment tank 6 is provided with a stirring drive device 61, the feed flow guide pipe 62 extends to the feed port of the second separator 2, and the design can directly guide the tail discharge material in the secondary treatment tank 6 to the second separator 2 through gravity. The flow guide pipe 62 is provided with a control switch, and the feed amount can be artificially controlled.

[0023] The lower part of the first separator 1 is provided with an industrial salt discharge area 12 and a liquid discharge pipe 14, which is connected with an end treatment tank through the liquid discharge pipe 14, and the second separator 2 is arranged on the upper part of the end treatment tank, and the second separator 2 directly guides the solid material to the end treatment tank.

[0024] Through the above system connection structure, the connection structure of the utility model can be clearly determined, the liquid tail material in the first separator 1 is discharged into the end treatment tank, the solid tail material in the second separator 2 is discharged into the end treatment tank, and then three-stage reaction is carried out, and the reaction principle described above is as follows:

[0025] The liquid tailings of the first separator 1 are NaClO and the solid tailings are NaCl. The NaCl appears in the industrial salt discharge area 12 and can be directly removed as an industrial product.

[0026] The liquid tailings of the second separator 2 are Ca(ClO)2 and the solid tailings are CaCl2. The Ca(ClO)2 solution can be directly guided into the liquid collecting device 7 through the liquid guide pipe 22 as an industrial product.

[0027] In the end treatment tank, the NaClO and CaCl2 are fully stirred, and then the lime milk is passed through chlorine to generate Ca(ClO)2 and CaCl2. The generated NaClO and CaCl2. The reaction generates Ca(ClO)2 and NaCl again, and the NaCl is easily dissolved and taken out with the mother liquor, which can be extracted after crystallization treatment. The above reaction in the end treatment tank improves the stability of Ca(ClO)2, the effective chlorine reaches more than 70%, the solubility is good, and the residue is less.

[0028] Example 2:

[0029] The utility model discloses a two end treatment tanks are designed, respectively end treatment tank I 3 and end treatment tank II 5, be provided with the auger distributor 4 in the lower part of second separator 2, the top of auger distributor 4 is connected with the discharge port of second separator 2, and the lower part of auger distributor 4 corresponds end treatment tank I 3 and end treatment tank II 5 respectively and is provided with a feeding port, such as first feeding port 41 corresponds end treatment tank I 3, and second feeding port 42 corresponds end treatment tank II 5, and different end treatment tanks can be fed by controlling the forward rotation or reverse rotation of auger distributor 4. The top of end treatment tank I 3 is provided with first support frame 31 and first stirring drive end 32, and the top of end treatment tank II 5 is provided with second support frame 51 and second stirring drive end 52.

[0030] The utility model sets up two end treatment tanks and can be recycled, which ensures that the first separator 1 and the second separator 2 can continuously run without stopping.

[0031] The liquid collecting device 7 is provided with a defoaming pipe 71, the defoaming pipe 71 extends to the upper part of the liquid collecting device 7, and a plurality of liquid injection holes 72 are arranged on the bottom surface of the defoaming pipe 71 and face the liquid surface, so that the defoaming operation of the Ca(ClO)2 solution can be realized by spraying liquid through the liquid injection holes 72. The bottom side wall of the liquid collecting device 7 is also provided with an external discharge hole 73, and the Ca(ClO)2 solution can be discharged through the external discharge hole 73.

[0032] The utility model discloses still be provided with first tail gas port 11 and second tail gas port 21 respectively on the top of first separator 1 and second separator 2, first tail gas port 11 and second tail gas port 21 are connected with tail gas pipe 8 simultaneously and handle the waste gas produced in chemical reaction process uniformly.

[0033] In summary, in the above system operation, the first separator 1 guides the sodium hypochlorite liquid to the end processing tank, the second separator 2 is connected with the secondary processing tank 6, and after solid-liquid separation, the solid calcium chloride is guided to the end processing tank, and after three chemical reactions in the end processing tank, the sodium hypochlorite liquid reacts with the solid calcium chloride to obtain calcium hypochlorite again.

[0034] The utility model raises the production efficiency of calcium hypochlorite to the highest, which not only includes secondary reaction products, but also includes end reaction products, reduces tailing materials, avoids waste and improves production efficiency, improves production efficiency for production units, and minimizes environmental pollution.

Claims

1. A system for recovering solid and liquid waste materials after a single reaction of calcium hypochlorite, characterized by: It includes a first separator and a second separator, the first separator is connected with an external primary treatment tank through a pipeline, and the second separator is connected with a secondary treatment tank; The lower part of the first separator is provided with a discharging area and a liquid discharge pipe, which is connected with a terminal treatment tank through the liquid discharge pipe; the second separator is arranged on the upper part of the terminal treatment tank, and solid materials are directly guided into the terminal treatment tank; A liquid guiding pipe is arranged on the second separator and connected with an external liquid collecting device.

2. The calcium hypochlorite one-shot post-reaction solid waste and liquid waste recovery system according to claim 1, characterized in that: The terminal treatment tanks are arranged in multiple, a screw conveyor is arranged on the lower part of the second separator, the top of the screw conveyor is connected with the discharge port of the second separator, and the lower part of the screw conveyor is respectively provided with a feeding port corresponding to each terminal treatment tank; the liquid discharge pipe of the first separator is provided with multiple branches corresponding to the multiple terminal treatment tanks.

3. The calcium hypochlorite post-reaction solid waste and liquid waste recovery system according to claim 1, characterized in that: The secondary treatment tank is arranged on a high platform, and a feeding guiding pipe is arranged on the bottom of the secondary treatment tank, which extends to the second separator.

4. The calcium hypochlorite post-reaction solid waste and liquid waste recovery system according to claim 1, characterized by: A defoaming pipe is arranged in the liquid collecting device, which extends to the upper part of the liquid collecting device, and a plurality of liquid injection holes are arranged on the bottom surface of the defoaming pipe and face the liquid surface.

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