CN215276593U - Energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment - Google Patents

Energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment Download PDF

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CN215276593U
CN215276593U CN202121361959.XU CN202121361959U CN215276593U CN 215276593 U CN215276593 U CN 215276593U CN 202121361959 U CN202121361959 U CN 202121361959U CN 215276593 U CN215276593 U CN 215276593U
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treatment equipment
gas
harmful gas
wastewater treatment
laboratory
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黄国昌
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Shanxi Wanheshan Technology Co ltd
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Shanxi Wanheshan Technology Co ltd
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Abstract

Laboratory waste water treatment is energy-saving harmful gas recovery purifier for equipment belongs to exhaust-gas treatment equipment technical field, solves the technical problem that harmful gas that laboratory waste water treatment equipment produced collects, cyclic utilization behind the exhaust-gas treatment, and the solution is: the harmful gas recovery and purification device is arranged in a shell of the laboratory wastewater treatment equipment, and harmful gas generated by the laboratory wastewater treatment equipment sequentially passes through the primary filtering device, the sterilization and disinfection device, the oxidation reaction device and the acid-base neutralization reaction system; disinfect through the physical method, chemical process purifies, and the physical and chemical reaction combines together, effectively purifies the harmful gas that produces in the laboratory waste water treatment equipment use, then retrieves to participate in waste water aeration stirring work once more, carries out inside purification and circulation with harmful gas control in the environment that is relatively sealed, so the utility model provides a protection is healthy, energy saving and emission reduction's laboratory waste water integrated processing equipment's supplementary exhaust treatment device.

Description

Energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment equipment, concretely relates to energy-saving harmful gas retrieves purifier for laboratory waste water treatment equipment.
Background
During the operation of the comprehensive laboratory wastewater treatment equipment, a large amount of harmful gases carrying germs, heavy metals and the like can be generated to overflow when the aeration, stirring and pressurizing flow operations are carried out, and if the harmful gases are directly discharged into the atmosphere, the health of workers is greatly threatened.
In the prior art, overflowed harmful gases are often directly discharged to the working environment and the atmosphere, and if the large-scale waste gas treatment equipment matched with the device occupies a large space, the use cost of the comprehensive laboratory waste water treatment equipment is invisibly increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's not enough, solve the technical problem that harmful gas that laboratory waste water treatment equipment produced collects, cyclic utilization, energy saving and emission reduction after the exhaust-gas treatment, the utility model provides an energy-saving harmful gas retrieves purifier for laboratory waste water treatment equipment.
The design concept of the utility model is that:
sterilizing and disinfecting by a physical method: ozone, activated carbon adsorption and ultraviolet irradiation, purified by chemical means: high temperature oxidation reaction, acid-base neutralization reaction, and ozone gas that will introduce in the system among the physical sterilization process prepares oxygen through catalytic oxidation, as the reaction raw materials of temperature oxidation reaction, the physical and chemical reaction combines together, effectively purify the harmful gas that produces in the laboratory waste water treatment equipment use, and will purify the gas and pass through the pipeline and input again in the reaction tank of laboratory waste water treatment equipment, aeration and the stirring operation for waste water, the waste of resource has effectively been practiced thrift to this kind of waste gas treatment's mode, control harmful gas and carry out internal purification and circulation in relatively confined environment, reduce environmental pollution, staff's health has been guaranteed.
The utility model discloses a following technical scheme realizes.
Laboratory waste water treatment is energy-saving harmful gas recovery purifier for equipment, wherein: the harmful gas recovery and purification device is arranged in a shell of the laboratory wastewater treatment equipment, the harmful gas generated by the laboratory wastewater treatment equipment sequentially passes through the primary filtering device, the sterilization and disinfection device, the oxidation reaction device and the acid-base neutralization reaction system, and the gas discharged by the acid-base neutralization reaction system is communicated with the gas inlet of the aeration device in the laboratory wastewater treatment equipment through a pipeline;
a gas inlet is arranged on the side wall of one side of the primary filtering device, harmful gas generated by laboratory wastewater treatment equipment is fed into the primary filtering device through the gas inlet, a gas outlet is arranged on the side wall of one side opposite to the gas inlet, and a gas supply pipe is arranged at the position of the gas outlet; in the primary filtration device: an air filter element is arranged at one side close to the air inlet, an activated carbon block is filled at one side close to the air outlet, and an ozone air inlet is arranged at the position, corresponding to the activated carbon block, on the side wall of the primary filtering device;
the top surface of the sterilization and disinfection device is provided with an ultraviolet sterilization lamp, the bottom surface below the ultraviolet sterilization lamp is provided with a box body for containing a catalyst, the air supply pipe extends to the lower part of the ultraviolet sterilization lamp, and the side wall of the air supply pipe in the sterilization and disinfection device is provided with a plurality of exhaust holes;
the oxidation reaction device is provided with an oxygen gas supplementing port and an electric spark ignition device;
the acid-base neutralization reaction system comprises an acid gas adsorption device and an alkaline gas adsorption device, wherein the acid gas adsorption device and the alkaline gas adsorption device are sequentially connected, an acid gas adsorbent is filled in the acid gas adsorption device, and an alkaline gas adsorbent is filled in the alkaline gas adsorption device.
Furthermore, a sealing ring is arranged on the inner wall of the sterilization and disinfection device at the position inserted into the air supply pipe.
Further, the catalyst is a halogen element catalyst.
Further, the gas discharged by the acid-base neutralization reaction system is communicated with an air suction port of the laboratory wastewater treatment equipment through a pipeline.
Further, an air booster pump is installed at the position of an air inlet of the primary filtering device.
Furthermore, a gas collecting port for collecting overflowed gas in the shell of the laboratory wastewater treatment equipment is arranged on a pipeline on one side of the air inlet of the air booster pump, and an exhaust fan is arranged at the gas collecting port.
Further, the aeration device comprises a multi-stage waste liquid reaction tank, wherein the multi-stage waste liquid reaction tank comprises an acid-base reaction tank, a flocculation reaction tank, a micro-electrolysis reaction tank or a metal capture tank which are sequentially arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a physical and chemical reaction combines together, disinfects and purifies the harmful gas that produces in the laboratory waste water treatment equipment use, circulates, retrieves and recycles harmful gas in laboratory waste water treatment equipment's casing, abundant protection equipment all ring edge borders, has protected equipment all ring edge borders staff's health, has reduced aeration equipment and mixing system's input and daily energy consumption, so the utility model relates to a supplementary exhaust treatment device of the laboratory waste water comprehensive treatment equipment who protects healthily, energy saving and emission reduction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a primary filtering device 1, an air filter element 11, an activated carbon block 12, an air inlet 13, an ozone inlet 14, an air supply pipe 15, an exhaust hole 16, a sterilization device 2, an ultraviolet germicidal lamp 21, a box 22, a sealing ring 23, an oxidation reaction device 3, an oxygen supplementing port 31, an electric spark ignition device 32, an acid-base neutralization reaction system 4, an acid gas adsorption device 41 and an alkaline gas adsorption device 42.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Unless otherwise specified, the examples follow conventional experimental conditions.
The energy-saving harmful gas recovery and purification device for the laboratory wastewater treatment equipment as shown in fig. 1, wherein: the harmful gas recovery and purification device is arranged in a shell of the laboratory wastewater treatment equipment, the harmful gas generated by the laboratory wastewater treatment equipment sequentially passes through the primary filtering device 1, the sterilization and disinfection device 2, the oxidation reaction device 3 and the acid-base neutralization reaction system 4, and the gas discharged by the acid-base neutralization reaction system is communicated with a gas inlet of an aeration device in the laboratory wastewater treatment equipment through a pipeline;
a gas inlet 13 is arranged on the side wall of one side of the primary filtering device 1, harmful gas generated by laboratory wastewater treatment equipment is fed into the primary filtering device 1 through the gas inlet 13, a gas outlet is arranged on the side wall of one side opposite to the gas inlet 13, and a gas feeding pipe 15 is arranged at the position of the gas outlet; in the primary filtration device 1: an air filter element 11 is arranged at one side close to an air inlet 13, an activated carbon block 12 is filled at one side close to an air outlet, and an ozone inlet 14 is arranged at the position, corresponding to the activated carbon block 12, on the side wall of the primary filtering device 1;
an ultraviolet germicidal lamp 21 is arranged on the top surface of the sterilizing and disinfecting device 2, a box body 22 for containing a catalyst is arranged on the bottom surface below the ultraviolet germicidal lamp 21, the air supply pipe 15 extends to the lower part of the ultraviolet germicidal lamp 21, and a plurality of exhaust holes 16 are arranged on the side wall of the air supply pipe 15 in the sterilizing and disinfecting device 2;
an oxygen gas supplementing port 31 is arranged on the oxidation reaction device 3, and an electric spark ignition device 32 is arranged in the oxidation reaction device 3;
the acid-base neutralization reaction system 4 comprises an acid gas adsorption device 41 and an alkaline gas adsorption device 42, wherein the acid gas adsorption device 41 and the alkaline gas adsorption device 42 are sequentially connected, an acid gas adsorbent is filled in the acid gas adsorption device 41, and an alkaline gas adsorbent is filled in the alkaline gas adsorption device 42.
Furthermore, a sealing ring 23 is provided on the inner wall of the sterilization and disinfection apparatus 1 at the insertion position with the air supply pipe 15.
Further, the catalyst is a halogen element catalyst.
Further, the gas discharged from the acid-base neutralization reaction system 4 is communicated with an air suction port of a laboratory wastewater treatment device through a pipeline.
Further, an air booster pump is arranged at the air inlet position of the primary filtering device 1.
Furthermore, a gas collecting port for collecting overflowed gas in the shell of the laboratory wastewater treatment equipment is arranged on a pipeline on one side of the air inlet of the air booster pump, and an exhaust fan is arranged at the gas collecting port.
Further, the aeration device comprises a multi-stage waste liquid reaction tank, wherein the multi-stage waste liquid reaction tank comprises an acid-base reaction tank, a flocculation reaction tank, a micro-electrolysis reaction tank or a metal capture tank which are sequentially arranged.
The utility model discloses a use as follows:
s1, ozone gas is filled into the first-stage filter device 1 through the ozone inlet 14, the ozone gas is filled for a period of time until the ozone gas is completely filled into the holes of the activated carbon block 12, meanwhile, halogen element catalyst (such as F, Cl, Br or I catalyst) is filled into the box body 22, and then the ultraviolet germicidal lamp 21 in the sterilizing device 2 is turned on;
s2, sending harmful gas generated by laboratory wastewater treatment equipment into the primary filtering device 1 through the air inlet 13, filtering large-particle substances in the harmful gas by the air filter element 11, diffusing the filtered harmful gas into the holes of the activated carbon block 12, carrying out physical adsorption on the harmful gas by the activated carbon block 12 on one hand, and carrying out preliminary physical sterilization and disinfection on the harmful gas by ozone gas on the other hand;
s3, the harmful gas and the ozone filtered by the primary filter device 1 are conveyed to the sterilization and disinfection device 2 through the air supply pipe 15, on one hand, the ultraviolet sterilization lamp 21 performs further physical sterilization and disinfection effects on the harmful gas, and on the other hand, under the ultraviolet irradiation conditions of the ultraviolet sterilization lamp 21 and the catalytic action of the halogen element catalyst, the ozone entering the sterilization and disinfection device 2 along with the harmful gas rapidly performs chemical reaction to prepare oxygen;
s4, delivering the harmful gas sterilized and purified by the sterilizing and disinfecting device 2 and the oxygen produced by the chemical reaction to the oxidation reaction device 3, and continuously supplying oxygen to the oxidation reaction device 3 through the oxygen supply port 31, wherein the harmful gas is mainly composed of sulfur oxide, nitrogen oxide and carbon oxide which are not completely oxidized, so that after the electric spark ignition device 32 is ignited, nitrogen monoxide and carbon monoxide are further oxidized into non-toxic and harmless nitrogen dioxide and carbon dioxide in the oxygen atmosphere;
s5, since most of the gas discharged from the oxidation reaction device 3 is acidic gas, the acidic gas is conveyed to the acid-base neutralization reaction system 4, and after the acidic or basic gas undergoes acid-base neutralization reaction by the acidic gas adsorption device 41 and the basic gas adsorption device 42, most of the acidic gas and the basic gas are neutralized by the acid-base neutralization reaction system 4;
s6, the gas purified in the step S5 can be reused as reaction gas of an aeration device of the laboratory wastewater treatment equipment, so that gas exhausted by the acid-base neutralization reaction system is conveyed to a reaction tank of the laboratory wastewater treatment equipment through a pipeline again, the waste water aeration and stirring operation is carried out again, and the steps S1-S6 are executed in a circulating mode.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. Laboratory waste water treatment is energy-saving harmful gas recovery purifier for equipment, its characterized in that: the harmful gas recovery and purification device is arranged in a shell of the laboratory wastewater treatment equipment, the harmful gas generated by the laboratory wastewater treatment equipment sequentially passes through the primary filtering device (1), the sterilization and disinfection device (2), the oxidation reaction device (3) and the acid-base neutralization reaction system (4), and the gas discharged by the acid-base neutralization reaction system (4) is communicated with the gas inlet of the aeration device in the laboratory wastewater treatment equipment through a pipeline;
an air inlet (13) is formed in the side wall of one side of the primary filtering device (1), harmful gas generated by laboratory wastewater treatment equipment is fed into the primary filtering device (1) through the air inlet (13), an air outlet is formed in the side wall of one side opposite to the air inlet (13), and an air feeding pipe (15) is installed at the position of the air outlet; in a primary filtration device (1): an air filter element (11) is arranged at one side close to the air inlet (13), an activated carbon block (12) is filled at one side close to the air outlet, and an ozone inlet (14) is arranged at the position, corresponding to the activated carbon block (12), on the side wall of the primary filtering device (1);
an ultraviolet germicidal lamp (21) is arranged on the top surface of the sterilizing and disinfecting device (2), a box body (22) used for containing a catalyst is arranged on the bottom surface below the ultraviolet germicidal lamp (21), the air supply pipe (15) extends to the lower part of the ultraviolet germicidal lamp (21), and a plurality of exhaust holes (16) are arranged on the side wall of the air supply pipe (15) in the sterilizing and disinfecting device (2);
an oxygen gas supplementing port (31) is arranged on the oxidation reaction device (3), and an electric spark ignition device (32) is arranged in the oxidation reaction device (3);
the acid-base neutralization reaction system (4) comprises an acid gas adsorption device (41) and an alkaline gas adsorption device (42), the acid gas adsorption device (41) and the alkaline gas adsorption device (42) are sequentially connected, an acid gas adsorbent is filled in the acid gas adsorption device (41), and an alkaline gas adsorbent is filled in the alkaline gas adsorption device (42).
2. The energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment according to claim 1, characterized in that: a sealing ring (23) is arranged at the insertion position of the inner wall of the sterilization and disinfection device (2) and the air supply pipe (15).
3. The energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment according to claim 1, characterized in that: the catalyst is a halogen element catalyst.
4. The energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment according to claim 1, characterized in that: and an air booster pump is arranged at the position of an air inlet of the primary filtering device (1).
5. The energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment according to claim 4, characterized in that: the pipeline on one side of the air inlet of the air booster pump is provided with a gas collection port for collecting overflowed gas in the shell of the laboratory wastewater treatment equipment, and the gas collection port is provided with an exhaust fan.
6. The energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment according to claim 1, characterized in that: the aeration device comprises a multi-stage waste liquid reaction tank, wherein the multi-stage waste liquid reaction tank comprises an acid-base reaction tank, a flocculation reaction tank, a micro-electrolysis reaction tank or a metal capture tank which are sequentially arranged.
CN202121361959.XU 2021-06-18 2021-06-18 Energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment Active CN215276593U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121361959.XU CN215276593U (en) 2021-06-18 2021-06-18 Energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment

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Application Number Priority Date Filing Date Title
CN202121361959.XU CN215276593U (en) 2021-06-18 2021-06-18 Energy-saving harmful gas recovery and purification device for laboratory wastewater treatment equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119406218A (en) * 2024-10-30 2025-02-11 山发(诸城)环保能源有限公司 A high-efficiency purification system for flue gas from sludge burning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119406218A (en) * 2024-10-30 2025-02-11 山发(诸城)环保能源有限公司 A high-efficiency purification system for flue gas from sludge burning

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