Waste gas treatment device for treating waste gas of hazardous waste warehouse

Abstract

The utility model provides a waste gas treatment device for treating waste gas of a hazardous waste warehouse, which belongs to the technical field of waste gas treatment and comprises a pretreatment unit, a gas inlet, a high-efficiency filter, a high-energy ultraviolet lamp, a filter screen, a reaction box, a spray pipe, a waste liquid treatment pool, an electric heating pipe, a grid net, a blow-off pipe, a waste water box, a centralized flue, a heat guide flue, a fixing frame and a superheater. When waste gas enters the pretreatment unit, the high-energy ultraviolet lamps on the two sides of the pretreatment unit emit ultraviolet light beams to irradiate molecular bonds of the industrial waste gas, the ultraviolet light beams decompose oxygen molecules in air to generate free oxygen, and positive and negative electrons carried by the free oxygen are unbalanced and need to be combined with the oxygen molecules, so that ozone is generated; the method comprises the following steps: removing waste gas, removing acid gas in the waste gas, combining the waste gas with atomized water, adsorbing and diluting the waste gas, solving the problems of complex components, strong corrosivity and high energy consumption of the waste gas of the hazardous waste warehouse through multi-stage cooperative treatment, and realizing efficient purification, low-carbon operation and low-cost maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a kind of waste gas treatment devices for treating waste gas of dangerous waste storehouse. BACKGROUND

[0002] Dangerous waste storehouse is specially used for storing dangerous waste place, and the main components of waste gas of dangerous waste storehouse include volatile organic compounds (VOCs), ammonia (NH3), hydrogen sulfide (H2S), dust particulate matter etc., these waste gas is mainly derived from the various dangerous waste stored in dangerous waste storehouse, such as chemical reagent, sludge, oil sludge, laboratory waste etc.;

[0003] When existing waste gas treatment equipment is in treating waste gas, the treatment of waste gas denitration is relatively simple, single technology (such as activated carbon adsorption) is difficult to deal with multi-component waste gas, VOCs removal rate is only 60%~80%, and it is easy to saturate and fail, leading to the treatment effect of bad odor gas and other irritating odor in waste gas is poor, and it is discharged to the outside world to cause serious air pollution, and it can not very good meet the processing needs of existing industrial waste gas;

[0004] And when wet deacidification of processing equipment, reagent and waste gas do not get fully collision contact, the probability of adsorption is low, leading to poor dilution reaction, impurity particle removal rate is low, so that the reaction effect is poor;

[0005] Therefore, the waste gas treatment device for treating waste gas of dangerous waste storehouse is provided to meet the needs. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the problems in the above background technical field, and provides a kind of waste gas treatment devices for treating waste gas of dangerous waste storehouse.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] The utility model relates to a kind of waste gas treatment device of hazardous waste warehouse waste gas, including: pretreatment unit, air inlet, high-efficiency filter, high-energy ultraviolet lamp, filter screen, reaction box, spray pipe, waste liquid treatment pool, electric heating tube, grid, drain pipe, waste water tank, central flue, heat guide flue, fixed frame and superheater, the upper end of the pretreatment unit is provided with air inlet, the air inlet is located the inside other end of pretreatment unit and is equipped with high-efficiency filter, the inside of pretreatment unit is equipped with high-energy ultraviolet lamp, the bottom of pretreatment unit is provided with filter screen, the lower end of pretreatment unit is equipped with reaction box, the inside upper end of reaction box is installed with spray pipe, the inside lower end of reaction box is built with waste liquid treatment pool, the inside of waste liquid treatment pool is embedded with electric heating tube, the upper end of waste liquid treatment pool is installed with grid, the right side of waste liquid treatment pool is pre-buried with drain pipe, the side of reaction box is equipped with waste water tank, the top of waste water tank is installed with central flue, the other end of central flue is installed with heat guide flue, the inside upper end of waste water tank is installed with fixed frame, the side of fixed frame is installed with superheater.

[0009] Preferably, the high-energy ultraviolet lamp is provided with several groups, and the several groups of high-energy ultraviolet lamps are vertically arrayed on the inner walls of the pretreatment unit.

[0010] Preferably, the pretreatment unit is connected with the reaction box, the filter screen is located at the connection between the pretreatment unit and the reaction box, and the filter screen is an ozone removal filter screen.

[0011] Preferably, the spray pipe is connected with an external water supply pipe, and the spray pipe is transversely arranged at the upper end of the reaction box.

[0012] Preferably, the waste liquid treatment pool is in a concave shape, and hot water is always stored in the waste liquid treatment pool.

[0013] Preferably, the grid is transversely arranged at the upper end of the waste liquid treatment pool, and the nozzles of the spray pipe are oppositely arranged with the grid and the waste liquid treatment pool.

[0014] Preferably, the fixed frame and the superheater are provided with two groups, and the two groups of fixed frames and superheaters are respectively located at the left and right ends of the opening of the central flue.

[0015] Preferably, the heat guide flue extends transversely to the upper end of the reaction box, and the heat guide flue penetrates the reaction box and vertically extends downward to the upper end of the waste liquid treatment pool.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the scheme, the waste gas enters the pretreatment unit through the air inlet, the high-energy ultraviolet lamps on both sides of the pretreatment unit emit high-energy ultraviolet light beams to irradiate the molecular bonds of the industrial waste gas, the molecular bonds of the odor gas are cracked, the molecular bonds in the odor gas are cracked by the high-energy light beams to become extremely unstable C bonds, -OH, O ions, the ultraviolet light beams decompose oxygen molecules in air to generate free oxygen, i.e. active oxygen, and the free oxygen needs to combine with oxygen molecules because the positive and negative electrons carried by the free oxygen are unbalanced, and then ozone is generated.

[0018] In the scheme, the pretreated waste gas enters the reaction box through the filter screen, the spray pipe sprays downward to remove the acidic gas in the waste gas, and the waste gas is combined with the atomized water to adsorb and dilute the waste gas, the electric heating pipe is heated after working, the waste gas mixture in the waste liquid treatment tank is heated and warmed, under the action of the high-temperature oxidation effect of the high-temperature water, the waste liquid is cracked and broken, and low-molecular product and water vapor mixture are generated, the waste liquid treatment tank containing high-temperature water at all times can keep the state of high-temperature oxidation effect at all times, and high-temperature oxidation reaction is directly carried out on the high-concentration waste liquid, on the basis of removing phenol and cyanide, COD, NH3 and other pollutants can be greatly reduced.

[0019] In the scheme, the waste liquid in the waste liquid treatment tank is treated and discharged into the waste water tank through the blowdown pipe, the hot gas emitted outward by the high-temperature waste liquid rises upward and is heated by the superheater, so that the upward emitted hot gas is gradually gathered upward and heated, enters the concentrated flue and is transmitted to the heat guide flue, the hot gas of the heat guide flue is downwardly guided to the waste liquid treatment tank, the flue gas effectively assists the waste liquid treatment tank to heat, and the heat resource is recycled and utilized. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated herein and forming a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable one skilled in the pertinent art to make and use the present disclosure.

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is a specific structure schematic view of the pretreatment unit of the utility model;

[0023] Figure 3 It is a specific structure schematic view of the waste liquid treatment tank of the utility model;

[0024] Figure 4 It is a specific structure schematic view of the superheater of the utility model.

[0025] [REFERENCE SIGNS]

[0026] 1-preprocessing unit; 2-air inlet; 3-high efficiency filter; 4-high-energy ultraviolet lamp; 5-filter screen; 6-reaction box; 7-spraying pipe; 8-waste liquid treatment tank; 9-electric heating pipe; 10-grid screen; 11-drain pipe; 12-waste water tank; 13-central flue; 14-heat-leading flue; 15-fixing frame; 16-superheater.

[0027] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, according to the specific needs, the person skilled in the art can adjust or modify these devices and environment, the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor are within the scope of protection of the present application.

[0029] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] As Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides an embodiment provides a kind of waste gas treatment device for treating hazardous waste library waste gas, the utility model includes: pretreatment unit 1, air inlet 2, high efficiency filter 3, high-energy ultraviolet lamp 4, filter screen 5, reaction box 6, spray pipe 7, waste liquid treatment pool 8, electric heating tube 9, grid 10, blow-off pipe 11, waste water tank 12, central flue 13, heat flue 14, fixed bracket 15 and superheater 16, the upper end of pretreatment unit 1 is provided with air inlet 2, air inlet 2 is located in the inside other end of pretreatment unit 1 and is equipped with high efficiency filter 3, high-energy ultraviolet lamp 4 is installed in the inside of pretreatment unit 1, the bottom of pretreatment unit 1 is provided with filter screen 5, the lower end of pretreatment unit 1 is matched with reaction box 6, spray pipe 7 is installed at the inside upper end of reaction box 6, waste liquid treatment pool 8 is built at the inside lower end of reaction box 6, electric heating tube 9 is embedded and installed in the inside of waste liquid treatment pool 8, grid 10 is installed at the upper end of waste liquid treatment pool 8, blow-off pipe 11 is pre-buried in the right side of waste liquid treatment pool 8, waste water tank 12 is matched on the side of reaction box 6, central flue 13 is installed on the top of waste water tank 12, heat flue 14 is installed on the other end of central flue 13, fixed bracket 15 is installed at the inside upper end of waste water tank 12, and superheater 16 is installed on the side of fixed bracket 15.

[0031] In the embodiment, the high-energy ultraviolet lamp 4 is provided with several groups, and the several groups of high-energy ultraviolet lamp 4 are vertically arrayed and installed on the left and right sides of the inner wall of the pretreatment unit 1. The waste gas enters the pretreatment unit 1 through the air inlet 2. The high-energy ultraviolet lamp 4 on the two sides of the pretreatment unit 1 emits high-energy ultraviolet light beams to irradiate the molecular bonds of the industrial waste gas, crack the molecular bonds of the malodorous gas, and use the high-energy light beams to crack the molecular bonds in the malodorous gas, so that they become extremely unstable C bonds, -OH, O ions. The ultraviolet light beam decomposes the oxygen molecules in the air to produce free oxygen, i.e. active oxygen. Because the positive and negative electrons carried by the free oxygen are unbalanced, the free oxygen needs to combine with oxygen molecules to generate ozone.

[0032] In the embodiment, the pretreatment unit 1 is connected with the reaction box 6. The filter screen 5 is located at the connection between the pretreatment unit 1 and the reaction box 6. The filter screen 5 is an ozone removal filter screen. The ozone removal filter screen can process the generated ozone. The pretreated waste gas enters the reaction box 6 after passing through the filter screen 5.

[0033] In the embodiment, the spray pipe 7 is connected with an external water supply pipe and is horizontally arranged at the upper end of the reaction box 6. The spray pipe 7 sprays downward to remove the acidic gas in the waste gas and combines the waste gas with atomized water to adsorb and dilute the waste gas.

[0034] In the embodiment, the waste liquid treatment tank 8 is in a "concave" shape, and the waste liquid treatment tank 8 always stores hot water inside, and the waste gas mixed liquid in the waste liquid treatment tank 8 is heated after the electric heating pipe 9 works, under the action of the high-temperature oxidation effect of the high-temperature water, the waste liquid is cracked and broken, and a low-molecular product and water vapor mixture are generated, the waste liquid treatment tank containing high-temperature water at all times can always maintain the state of high-temperature oxidation effect, and directly carries out high-temperature oxidation reaction on the high-concentration waste liquid, and on the basis of removing phenol and cyanide, can greatly reduce COD, NH3 and other pollutants.

[0035] In the embodiment, the grid net 10 is horizontally arranged at the upper end of the waste liquid treatment tank 8, and the nozzle of the spray pipe 7 is relatively arranged between the grid net 10 and the waste liquid treatment tank 8.

[0036] In the embodiment, the fixed frame 15 and the superheater 16 are provided with two groups, and the two groups of fixed frame 15 and superheater 16 are respectively located at the left and right ends of the opening of the concentrated flue 13, the waste liquid in the waste liquid treatment tank 8 is treated and discharged into the waste water tank 12 through the blowdown pipe 11, the hot gas emitted outward by the high-temperature waste liquid rises upward and is heated by the superheater 16, so that the upward emitted hot gas is gradually gathered upward and heated, and enters the concentrated flue 13 and is transmitted to the heat guide flue 14.

[0037] In the embodiment, the heat guide flue 14 extends horizontally to the upper end of the reaction box 6, and the heat guide flue 14 extends vertically downward through the reaction box 6 to the upper end of the waste liquid treatment tank 8, the hot gas of the heat guide flue 14 is downwardly guided to the waste liquid treatment tank 8, the flue gas effectively assists the waste liquid treatment tank 8 to heat, and the hot gas is recycled.

[0038] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, a plurality of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A waste gas treatment device for treating waste gas from a hazardous waste storage facility, characterized by comprising: Include: Pretreatment unit (1), air inlet (2), high efficiency filter (3), high energy ultraviolet lamp (4), filter screen (5), reaction box (6), spray pipe (7), waste liquid treatment tank (8), electric heating pipe (9), grid (10), drain pipe (11), waste water tank (12), central flue (13), heat guide flue (14), fixed frame (15) and superheater (16), the upper end of the pretreatment unit (1) is provided with air inlet (2), the air inlet (2) is located in the inside of pretreatment unit (1), the other end of which is installed with high efficiency filter (3), the inside of pretreatment unit (1) is installed with high energy ultraviolet lamp (4), the bottom of pretreatment unit (1) is provided with filter screen (5), the lower end of pretreatment unit (1) is matched with reaction box (6), the inside upper end of reaction box (6) is installed with spray pipe (7), the inside lower end of reaction box (6) is built with waste liquid treatment tank (8), the inside of waste liquid treatment tank (8) is embedded with electric heating pipe (9), the upper end of waste liquid treatment tank (8) is installed with grid (10), the right side of waste liquid treatment tank (8) is pre-buried with drain pipe (11), the side of reaction box (6) is matched with waste water tank (12), the top of waste water tank (12) is installed with central flue (13), the other end of central flue (13) is installed with heat guide flue (14), the inside upper end of waste water tank (12) is installed with fixed frame (15), the side of fixed frame (15) is installed with superheater (16).

2. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The high energy ultraviolet lamp (4) is provided with several groups, and several groups of high energy ultraviolet lamp (4) are installed vertically in the left and right sides of the inner wall of the pretreatment unit (1).

3. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The pretreatment unit (1) is connected with the reaction box (6), the filter screen (5) is located at the connection between the pretreatment unit (1) and the reaction box (6), and the filter screen (5) is an ozone removal filter screen.

4. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The spray pipe (7) is connected with the external water supply pipe, and the spray pipe (7) is arranged transversely at the upper end of the reaction box (6).

5. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The waste liquid treatment tank (8) is "concave" shape, and the inside of the waste liquid treatment tank (8) always stores hot water.

6. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The grid (10) is transversely arranged at the upper end of the waste liquid treatment tank (8), and the nozzle of the spray pipe (7) is oppositely arranged between the grid (10) and the waste liquid treatment tank (8).

7. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The fixed frame (15) and the superheater (16) are provided with two groups, and the two groups of fixed frame (15) and superheater (16) are respectively located at the left and right ends of the opening of the central flue (13).

8. The exhaust gas treatment device for treating exhaust gas of a hazardous waste storage according to claim 1, characterized by: The heat guide flue (14) extends transversely to the upper end of the reaction box (6), and the heat guide flue (14) penetrates the reaction box (6) and extends vertically downward to the upper end of the waste liquid treatment tank (8).

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