Energy-saving and environment-friendly hydrogen peroxide liquid treatment device

Abstract

The utility model discloses an energy-saving and environment-friendly hydrogen peroxide liquid treatment device which comprises a waste liquid pool, the waste liquid pool is connected with a decomposition reaction kettle, the decomposition reaction kettle is connected with a first condenser, the first condenser is connected with one side of the top of a second condenser, and the upper portion of one side of the first condenser is connected with an adsorption device. A feed pipe and a discharge pipe are respectively arranged above and below one side of the decomposition reaction kettle, the feed pipe is connected with the discharge pipe, a sedimentation tank is connected between the feed pipe and the discharge pipe, the top of the sedimentation tank is connected with an alkali liquor tank, the bottom of the sedimentation tank is connected with a recovery tank, the top of the sedimentation tank is further connected with a second condenser, and the bottom of the second condenser is connected with a liquid storage tank. The hydrogen peroxide waste liquid treatment device has the beneficial effects that the hydrogen peroxide waste liquid treatment device is high in hydrogen peroxide waste liquid treatment efficiency, low in cost, economical, environment-friendly and cost-saving, metal elements in the waste liquid are simultaneously recycled, adverse effects of the hydrogen peroxide waste liquid on the environment are effectively avoided, and the hydrogen peroxide waste liquid treatment device is simple in structure, easy to operate and suitable for the requirement of industrial hydrogen peroxide waste liquid treatment.

Description

Technical Field

[0001] The utility model relates to the technical field related to hydrogen peroxide treatment, in particular to energy-saving and environment-friendly hydrogen peroxide liquid treatment. Background Art

[0002] In industrial processes, especially in some production processes, a large amount of waste liquid containing hydrogen peroxide is often generated. These waste liquids may have adverse effects on the environment and contain many harmful substances such as metal elements and organic compounds. Traditional treatment methods are often relatively simple, and the treatment efficiency is low, the cost is high, and it is easy to cause secondary pollution and other problems. Therefore, a more efficient, economical and environmentally friendly hydrogen peroxide waste liquid treatment device is needed to effectively treat hydrogen peroxide waste liquid. Utility Model Content

[0003] In view of the above shortcomings, the utility model adopts the following technical solutions:

[0004] An energy-saving and environment-friendly hydrogen peroxide liquid treatment device comprises a waste liquid pool, wherein a pipeline of the waste liquid pool is connected to a decomposition reactor, a pipeline above the decomposition reactor is connected to a No. 1 condenser, a pipeline at the bottom of the No. 1 condenser is connected to one side of the top of a No. 2 condenser, an upper pipeline on one side of the No. 1 condenser is connected to an adsorption device, a feed pipe and a discharge pipe are respectively provided on the upper and lower sides of one side of the decomposition reactor, the feed pipe is connected to the discharge pipe through a pipeline, a pipeline is provided on one side of the connecting pipeline between the feed pipe and the discharge pipe to connect to a sedimentation tank, a pipeline on one side of the top of the sedimentation tank is connected to an alkali liquid tank, a pipeline on the bottom of the sedimentation tank is connected to a recovery tank, a pipeline on the other side of the top of the sedimentation tank is connected to the No. 2 condenser, and a pipeline at the bottom of the No. 2 condenser is connected to a liquid storage tank.

[0005] Furthermore, a plurality of atomizing nozzles are provided at the end of the feed pipe, and packing layers are provided above and below the atomizing nozzles.

[0006] Furthermore, a water pump is provided on the connecting pipe between the feed pipe and the discharge pipe, a check valve is provided at the outlet of the water pump, and a pipe connected to the sedimentation tank is provided on one side of the pipe after the check valve.

[0007] Furthermore, the adsorption device is an activated carbon adsorption device, and an exhaust pipe is provided on one side of the activated carbon adsorption device.

[0008] Furthermore, one side of the pipeline between the No. 1 condenser and the adsorption device is connected to one side of the bottom of the No. 2 condenser through a pipeline.

[0009] Furthermore, the working temperature of the decomposition reactor is 50-60°C, the sedimentation tank is also an evaporator, and the working temperature of the evaporator is 90-98°C.

[0010] Furthermore, the above connecting pipes are all provided with corresponding valves.

[0011] The beneficial effects of the utility model are as follows: the utility model has high treatment efficiency for hydrogen peroxide waste liquid and low cost, and at the same time recovers metal elements in the waste liquid, which is economical, environmentally friendly and cost-saving, and effectively avoids the adverse effects of hydrogen peroxide waste liquid on the environment. The utility model has a simple structure and is easy to operate, and is suitable for the needs of industrial treatment of hydrogen peroxide waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] In the figure: 1-waste liquid tank, 2-decomposition reactor, 21-feed pipe, 22-discharge pipe, 23-atomizing nozzle, 24-packing layer, 25-check valve, 3-condenser No. 1, 4-condenser No. 2, 5-adsorption device, 6-sedimentation tank, 7-alkali liquid tank, 8-recovery tank, 9-liquid storage tank. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] Combination Figure 1 Shown:

[0016] An energy-saving and environmentally friendly hydrogen peroxide liquid treatment device comprises a waste liquid pool 1 for containing hydrogen peroxide waste liquid, the waste liquid pool 1 is connected to a decomposition reactor 2 through a pipeline for decomposing organic matter, a first condenser 3 is connected to a pipeline above the decomposition reactor 2 for recovering water, a bottom pipeline of the first condenser 3 is connected to a top side of a second condenser 4, an upper pipeline on one side of the first condenser 3 is connected to an adsorption device 5 for absorbing harmful components in the exhaust gas, a feed pipe 21 and a discharge pipe 22 are respectively arranged on the upper and lower sides of one side of the decomposition reactor 2, and the feed pipe 21 and the discharge pipe 22 are connected through Pipeline connection, one side of the connecting pipe between the feed pipe 21 and the discharge pipe 22 is provided with a pipe connected to the sedimentation tank 6, a water pump is provided on the connecting pipe between the feed pipe 21 and the discharge pipe 22, a check valve 25 is provided at the outlet of the water pump, and one side of the pipe after the check valve is provided with a pipe connected to the sedimentation tank 6, a pipe on one side of the top of the sedimentation tank 6 is connected to the alkali solution tank 7 for providing alkali solution to allow the metal ions to settle, a pipe at the bottom of the sedimentation tank 6 is connected to the recovery tank 8, a pipe on the other side of the top of the sedimentation tank 6 is connected to the No. 2 condenser 4, and a pipe at the bottom of the No. 2 condenser 4 is connected to the liquid storage tank 9.

[0017] A plurality of atomizing nozzles 23 are provided at the end of the feed pipe 21 for spraying the waste liquid. A packing layer 24 is provided above and below the atomizing nozzle 23 for loading the catalyst. The specific materials of the packing layer and the catalyst are selectively adjusted by the technicians according to the actual conditions.

[0018] The adsorption device 5 is an activated carbon adsorption device 5 , and an exhaust pipe is provided on one side of the activated carbon adsorption device 5 to remove harmful components remaining in the exhaust gas.

[0019] One side of the pipeline between the No. 1 condenser 3 and the adsorption device 5 is connected to one side of the bottom of the No. 2 condenser 4 through a pipeline, so as to discharge the gas decomposed by the hydrogen peroxide.

[0020] The working temperature of the decomposition reactor 2 is 50-60° C., which accelerates the reaction rate while avoiding the decomposition of hydrogen peroxide. The sedimentation tank 6 is also an evaporator, and the working temperature of the evaporator is 90-98° C., so that the hydrogen peroxide under alkaline conditions is decomposed and distilled and concentrated at the same time to recover the metal elements.

[0021] The above connecting pipes are equipped with corresponding valves to timely adjust the inlet and outlet of materials according to the needs of each step of the reaction.

[0022] Working principle: The waste liquid in the waste liquid pool is added to the decomposition reactor, and is sprayed on the packing layer through a pump circulation. The organic matter contained in the waste liquid is catalytically decomposed by the catalyst loaded on it, and the generated gas is discharged. The water vapor is recovered to the No. 2 condenser through the No. 1 condenser, and finally flows into the liquid storage tank. The waste liquid after the decomposition of the organic matter flows into the sedimentation tank through the opening and closing of the valve. The sedimentation tank is also an evaporator. Alkaline solution is added to make the metal elements precipitate. The alkaline conditions also promote the decomposition of hydrogen peroxide. The water vapor is recovered to the liquid storage tank through the No. 2 condenser. When the metal elements settle to a certain extent, the waste liquid is discharged into the recovery tank for the recovery of metal elements.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An energy-saving and environmentally friendly hydrogen peroxide liquid treatment device, characterized in that: The invention comprises a waste liquid pool (1), wherein the waste liquid pool (1) is connected to a decomposition reactor (2) through a pipeline, the pipeline above the decomposition reactor (2) is connected to a No. 1 condenser (3), the bottom pipeline of the No. 1 condenser (3) is connected to the top side of a No. 2 condenser (4), the upper pipeline of one side of the No. 1 condenser (3) is connected to an adsorption device (5), a feed pipe (21) and a discharge pipe (22) are respectively provided on the upper and lower sides of one side of the decomposition reactor (2), the feed pipe (21) and the discharge pipe (22) are connected through a pipeline, a pipeline connecting the feed pipe (21) and the discharge pipe (22) is provided on one side of the connecting pipeline between the feed pipe (21) and the discharge pipe (22) to a sedimentation tank (6), the top side of the sedimentation tank (6) is connected to an alkali liquid tank (7), the bottom pipeline of the sedimentation tank (6) is connected to a recovery tank (8), the other side of the top of the sedimentation tank (6) is connected to the No. 2 condenser (4), and the bottom pipeline of the No. 2 condenser (4) is connected to a liquid storage tank (9).

2. The energy-saving and environmentally friendly hydrogen peroxide liquid treatment device according to claim 1 is characterized in that: A plurality of atomizing nozzles (23) are provided at the end of the feed pipe (21), and packing layers (24) are provided above and below the atomizing nozzles (23).

3. The energy-saving and environmentally friendly hydrogen peroxide liquid treatment device according to claim 1 is characterized in that: A water pump is provided on the connecting pipe between the feed pipe (21) and the discharge pipe (22), a check valve (25) is provided at the outlet of the water pump, and a pipe connected to the sedimentation tank (6) is provided on one side of the pipe after the check valve.

4. The energy-saving and environmentally friendly hydrogen peroxide liquid treatment device according to claim 1 is characterized in that: The adsorption device (5) is an activated carbon adsorption device (5), and an exhaust pipe is provided on one side of the activated carbon adsorption device (5).

5. The energy-saving and environmentally friendly hydrogen peroxide liquid treatment device according to claim 1 is characterized in that: One side of the pipeline between the No. 1 condenser (3) and the adsorption device (5) is connected to one side of the bottom of the No. 2 condenser (4) through a pipeline.

6. The energy-saving and environmentally friendly hydrogen peroxide liquid treatment device according to claim 1 is characterized in that: The working temperature of the decomposition reactor (2) is 50-60°C, the sedimentation tank (6) is also an evaporator, and the working temperature of the evaporator is 90-98°C.

7. The energy-saving and environmentally friendly hydrogen peroxide liquid treatment device according to claim 1 is characterized in that: The connecting pipes mentioned above are all provided with corresponding valves.

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