Zinc smelting tail gas treatment equipment

Abstract

The utility model is suitable for the technical field of tail gas treatment equipment, and provides zinc smelting tail gas treatment equipment which comprises a base, the tail gas pipe is mounted at the top of the base and is connected with a tail gas port of a zinc smelting device; the spraying box is installed at the top of the base, the tail gas pipe penetrates through the spraying box, an opening is formed in the tail gas pipe, and the opening is located in the spraying box; the filter box is detachably mounted on the tail gas pipe, and the filter box is used for filtering the sprayed and cleaned gas; and the supporting frame is mounted at the top of the base. According to the zinc smelting tail gas treatment equipment provided by the scheme, heat in tail gas can be recycled before the tail gas is purified, and energy waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tail gas treatment equipment technical field especially relates to a zinc smelting tail gas treatment equipment. BACKGROUND

[0002] ‌Zinc smelting tail gas is the waste gas produced in the zinc smelting process, and the main components include hydrogen sulfide, sulfur dioxide, nitrogen oxides, ammonia, zinc oxide and other harmful substances. The emission of these tail gases into the environment will have an impact on human health and the natural environment that cannot be ignored, so it is necessary to use tail gas treatment equipment to purify it.

[0003] The existing tail gas treatment equipment only treats the harmful substances in the gas, ignoring the recycling of the heat in the gas, resulting in waste of energy. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a zinc smelting tail gas treatment equipment, aims at solving the problem of the existing tail gas treatment equipment only treating the harmful substances in the gas, ignoring the recycling of the heat in the gas, resulting in waste of energy proposed in the above background technical.

[0005] To solve the above problems, the utility model is realized in this way, a zinc smelting tail gas treatment equipment, it includes: base, tail gas pipe, tail gas pipe is installed on the top of base and is connected with the tail gas port of zinc smelting device, spray tank, spray tank is installed on the top of base, tail gas pipe penetrates device spray tank, opening is equipped on tail gas pipe, opening is located in spray tank, filter box, filter box is detachably installed on tail gas pipe, filter box is used to filter the gas after spray cleaning, support frame, support frame is installed on the top of base, support frame is used to support filter box, water tank, water tank is installed on the top of base, the elbow pipe section extending into water tank is equipped on tail gas pipe, water tank is used to store pure water, spray assembly, spray assembly is arranged on spray tank, spray assembly is used to deliver purification reagent.

[0006] Preferably, the spray assembly includes a water pump, a spray pipe, and a plurality of spray heads, the water pump is installed at the bottom of the spray tank, a liquid storage tank is provided in the spray tank, the liquid inlet end of the water pump extends into the liquid storage tank, the spray pipe is installed at the liquid outlet end of the water pump and extends into the spray tank, a plurality of spray heads are installed on the spray pipe, and a plurality of spray heads are located in the spray tank.

[0007] Preferably, the tail gas pipe is provided with a metal pipe section, a fan is installed on one side of the water tank, an exhaust pipe is installed at the exhaust end of the fan, a plurality of exhaust holes are provided on the exhaust pipe at the bottom of the metal pipe section, and a filter box is detachably installed at the air inlet end of the fan.

[0008] Preferably, the top of the spray tank is provided with a pressure relief assembly, the pressure relief assembly comprises a mounting plate, a plurality of springs, a baffle and a sealing gasket, the top of the spray tank is provided with an exhaust port, the mounting plate is fixed on the inner wall of the top of the spray tank, the baffle is installed at the bottom of the plurality of springs, and the sealing gasket is fixed at the bottom of the baffle, and the baffle is used for closing the exhaust port.

[0009] Preferably, the top of the spray tank is provided with a rubber telescopic cylinder sleeved outside the pressure relief assembly, a top plate is installed at the top of the rubber telescopic cylinder, a backflow pipe is arranged on the top plate and connected with the tail gas pipe, a valve is installed on the backflow pipe, and a one-way valve is arranged on the tail gas pipe.

[0010] Preferably, the spray tank is provided with limiting rods movably penetrating the top plate on both sides, the spray tank is provided with an observation window, and a limiting telescopic rod is arranged in each of the plurality of springs.

[0011] Preferably, the bottom of the water tank is provided with a drain pipe, the drain pipe is provided with an electric valve, one side of the water tank is provided with a temperature sensor, and a detection probe of the temperature sensor extends into the water tank.

[0012] Compared with the related art, the zinc smelting tail gas treatment equipment has the following beneficial effects:

[0013] Compared with the prior art, the zinc smelting tail gas treatment equipment provided by the scheme can recycle heat energy in the tail gas by arranging the water tank, can ensure the treatment effect of the tail gas by arranging the spray tank, the spraying assembly and the filter box, and can prevent dangerous accidents caused by excessively high gas pressure and prevent the tail gas from being directly discharged to pollute the environment by arranging the pressure relief assembly and the rubber telescopic cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view structural schematic diagram of a zinc smelting tail gas treatment equipment provided by the utility model;

[0015] Figure 2 is a front view structural schematic diagram of a zinc smelting tail gas treatment equipment provided by the utility model;

[0016] Figure 3 is Figure 1 is an enlarged structural schematic diagram of part A shown in the figure;

[0017] Figure 4 is a front view structural schematic diagram of a zinc smelting tail gas treatment equipment provided by the utility model;

[0018] Mark No. : 1, base; 2, tail gas pipe; 3, spray box; 4, metal pipe section; 5, filter box; 6, support frame; 7, water pump; 8, spray pipe; 9, observation window; 10, water tank; 11, liquid discharge pipe; 12, temperature sensor; 13, rubber telescopic cylinder; 14, top plate; 15, return pipe; 16, valve; 17, check valve; 18, limiting rod; 19, exhaust port; 20, mounting plate; 21, spring; 22, baffle; 23, gasket; 24, fan; 25, exhaust pipe; 26, filter box; 27, spray head. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings in which is shown by way of illustration the application in accordance with embodiments described herein using exemplary terminology. The terms "comprises", "comprising", "includes", "including", "has", "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "first", "second", and the like, used in the description and in the claims, do not necessarily indicate that two steps or objects constitute an ordering, unless otherwise indicated by the context. The terms "inner", "outer", "left", "right", "front", "back", "up", "down", "over", "under", "above", "below", and the like, used in the description and in the claims, indicate relative positions and orientations by reference to the orientation of the drawings, and are not intended to denote specific orientations of the device or element thereof, and therefore should not be construed to limit the application. The terms "plurality" and "a plurality" contained herein mean "two or more" unless otherwise indicated.

[0020] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the embodiments described herein can be incorporated into any other embodiment.

[0021] The utility model embodiment provides a kind of zinc smelting tail gas treatment equipment, such as Figures 1-4As shown, the zinc smelting tail gas treatment equipment comprises a base 1, a tail gas pipe 2 installed on the top of the base 1 and connected with a tail gas outlet of a zinc smelting device, a spraying box 3 installed on the top of the base 1, the tail gas pipe 2 penetrating through the device spraying box 3, the tail gas pipe 2 being provided with an opening in the spraying box 3, a filter box 5 detachably installed on the tail gas pipe 2 and used for filtering the gas after spraying and cleaning, a support frame 6 installed on the top of the base 1 and used for supporting the filter box 5, a water tank 10 installed on the top of the base 1, the tail gas pipe 2 being provided with a bent pipe section extending into the water tank 10, the water tank 10 being used for storing pure water, and a spraying assembly arranged on the spraying box 3 and used for conveying purification reagents.

[0022] In the embodiment, the base 1 serves as a support structure of the entire tail gas treatment equipment, ensuring stable installation and operation of the equipment, the tail gas pipe 2 is used for introducing the waste gas generated in the zinc smelting process into the treatment equipment, the tail gas pipe 2 is provided with an opening in the spraying box 3, facilitating the contact between the waste gas and the spraying reagents, achieving effective introduction of the tail gas and providing conditions for subsequent treatment, the spraying assembly arranged on the spraying box 3 is used for conveying purification reagents to react with harmful substances in the tail gas, achieving purification, the harmful substances in the tail gas are effectively removed through the contact reaction between the spraying reagents and the tail gas, the filter box 5 is used for filtering the gas after spraying and cleaning, further removing impurities and particulate matters in the tail gas, improving the efficiency and quality of the tail gas treatment and ensuring the cleanliness of the discharged gas, the support frame 6 is used for supporting the filter box 5, ensuring stable operation of the filter box 5, the water tank 10 is used for storing pure water, the tail gas pipe 2 is provided with a bent pipe section extending into the water tank 10, the heat in the tail gas can be used to heat water, achieving recycling of the heat, the energy consumption is reduced through recycling of the heat in the tail gas, improving the energy utilization efficiency, and the spraying assembly reacts with harmful substances in the tail gas through conveying of the reagents, achieving purification treatment of the tail gas.

[0023] In the further preferred embodiment of the utility model, the spraying assembly comprises a water pump 7, a spraying pipe 8 and a plurality of spray heads 27, the water pump 7 is installed at the bottom of the spraying box 3, the spraying box 3 is provided with a liquid storage tank, the liquid inlet end of the water pump 7 extends into the liquid storage tank, the spraying pipe 8 is installed at the liquid outlet end of the water pump 7 and extends into the spraying box 3, the plurality of spray heads 27 are all installed on the spraying pipe 8, and the plurality of spray heads 27 are all located in the spraying box 3.

[0024] In the embodiment, the water pump 7 is installed at the bottom of the spray tank 3 as a power source for conveying liquid, the liquid inlet end of the water pump 7 extends into the liquid storage tank for extracting liquid, the spray pipe 8 serves as a pipeline for conveying liquid, and the liquid extracted by the water pump 7 is conveyed to the spray head 27, so that the liquid is effectively conveyed, and the purification agent can be uniformly sprayed in the tail gas, thereby improving the efficiency of tail gas treatment, and the spray head 27 serves as an outlet for the liquid, and the liquid conveyed by the spray pipe 8 is sprayed in the form of mist or small droplets in the tail gas, and fully contacts and reacts with harmful substances in the tail gas.

[0025] In the further preferred embodiment of the utility model, the tail gas pipe 2 is provided with a metal pipe section 4, a fan 24 is installed on one side of the water tank 10, an exhaust pipe 25 is installed at the exhaust end of the fan 24, a plurality of exhaust holes are arranged at the bottom of the metal pipe section 4 on the exhaust pipe 25, and a filter box 26 is detachably installed at the air inlet end of the fan 24.

[0026] In the embodiment, the metal pipe section 4 improves the durability and stability of the tail gas pipe 2, ensures the continuity and reliability of the tail gas treatment, and the metal has good heat conduction performance and can cool the tail gas, the fan 24 is used for providing power for gas flow, the filter box 26 is detachably installed at the air inlet end of the fan 24, and is used for filtering the gas entering the fan 24 to prevent impurities from damaging the fan 24, the fan 24 can accelerate the heat exchange process of the tail gas in the metal pipe section 4 by providing power for gas flow, and the heat dissipation efficiency is improved.

[0027] In the further preferred embodiment of the utility model, the top of the spray tank 3 is provided with a pressure relief assembly, the pressure relief assembly comprises a mounting plate 20, a plurality of springs 21, a baffle 22 and a sealing gasket 23, the top of the spray tank 3 is provided with an exhaust port 19, the mounting plate 20 is fixed on the inner wall of the top of the spray tank 3, the baffle 22 is installed at the bottom of the plurality of springs 21, the sealing gasket 23 is fixed at the bottom of the baffle 22, and the baffle 22 is used for closing the exhaust port 19.

[0028] In the embodiment, the mounting plate 20 serves as a fixed base of the pressure relief assembly, ensuring the stability and reliability of the pressure relief assembly, preventing potential safety hazards caused by loosening or falling off, and the spring 21 is used to provide elastic support, when the internal pressure of the spray tank 3 increases (as the impurities accumulate in the filter tank 5, the exhaust emission efficiency of the purified exhaust gas is low, and the exhaust emission efficiency of the unfiltered exhaust gas is inconvenient, and the gas pressure increases), the spring 21 is compressed, the baffle 22 is lifted, and the exhaust port 19 is opened for pressure relief, the elastic support of the spring 21 enables the pressure relief assembly to flexibly respond to changes in the internal pressure of the spray tank 3, ensuring the safe operation of the equipment, and the sealing effect of the baffle 22 ensures the air tightness of the spray tank 3 under normal pressure, preventing waste of the purification agent and environmental pollution, and the lifting and lowering of the baffle 22 also realizes the automatic opening and closing function of the pressure relief assembly.

[0029] In a further preferred embodiment of the utility model, the top of the spray tank 3 is provided with a rubber telescopic cylinder 13 sleeved outside the pressure relief assembly, a top plate 14 is installed on the top of the rubber telescopic cylinder 13, a return pipe 15 is arranged on the top plate 14, the return pipe 15 is connected with the exhaust pipe 2, a valve 16 is installed on the return pipe 15, and a one-way valve 17 is arranged on the exhaust pipe 2.

[0030] In the embodiment, the rubber telescopic cylinder 13 is used to protect the pressure relief assembly from corrosion by the external environment and allows the pressure relief assembly to freely expand and contract when the pressure changes, the rubber telescopic cylinder 13 is made of a rubber material with strong corrosion resistance to ensure its reliability for long-term use, the telescopic nature of the rubber telescopic cylinder 13 also ensures that the pressure relief assembly can respond flexibly when the pressure changes, preventing untreated exhaust gas from being directly discharged, thereby ensuring the safe operation of the equipment, the return pipe 15 is used to return the unreacted waste gas in the spray tank 3 to the exhaust pipe 2 for further reaction and treatment, the use of the valve 16 provides users with flexible control means, which can adjust the flow and pressure of the return pipe 15 according to the actual situation of exhaust gas treatment, thereby optimizing the efficiency and effect of exhaust gas treatment, and the one-way valve 17 prevents damage to the spray tank 3 and the exhaust gas treatment equipment caused by reverse flow of gas.

[0031] In a further preferred embodiment of the utility model, the two sides of the spray tank 3 are each provided with a limiting rod 18 movably penetrating the top plate 14, an observation window 9 is arranged on the spray tank 3, and a limiting telescopic rod is arranged in each of the plurality of springs 21.

[0032] In the embodiment, the limiting rod 18 is arranged to limit the up-down movement range of the top plate 14 and the rubber telescopic cylinder 13, prevent them from being damaged due to excessive telescopic movement, and improve the stability and safety of the top structure of the spray tank 3.

[0033] In the further preferred embodiment of the utility model, the bottom of the water tank 10 is provided with a liquid discharge pipe 11, the liquid discharge pipe 11 is provided with an electric valve, one side of the water tank 10 is provided with a temperature sensor 12, and the detection probe of the temperature sensor 12 extends into the water tank 10.

[0034] In the embodiment, the liquid discharge pipe 11 is arranged to discharge the liquid in the water tank 10, the arrangement of the liquid discharge pipe 11 improves the practicability and maintainability of the water tank 10, and facilitates personnel to take hot water, the use of the electric valve provides a flexible control means for the user, and through the temperature sensor 12, the user can monitor the temperature of the liquid in the water tank 10 in real time, so as to take timely measures for adjustment or processing.

[0035] In summary, compared with the related art, the device can recycle the heat energy in the tail gas by arranging the water tank 10, can ensure the treatment effect of the tail gas by arranging the spray tank 3, the spraying assembly and the filter tank 5, and can prevent dangerous accidents caused by excessive gas pressure and prevent the tail gas from being directly discharged to pollute the environment by arranging the pressure relief assembly and the rubber telescopic cylinder 13.

[0036] In the several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0037] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A zinc smelting tail gas treatment device, characterized in that, include: Base; A tailpipe is installed on top of the base and connected to the tail gas port of the zinc smelting unit. A spray box is installed on top of the base, and the exhaust pipe passes through the spray box. The exhaust pipe has an opening located inside the spray box. A filter box, which is detachably installed on the exhaust pipe, is used to filter the gas after spray cleaning; A support frame, which is mounted on top of the base, is used to support the filter box; A water tank is installed on top of the base, and the exhaust pipe has a bent pipe section extending into the water tank. The water tank is used to store purified water. A spray assembly is mounted on the spray box and is used to deliver purification agents.

2. The zinc smelting tail gas treatment equipment as described in claim 1, characterized in that, The spray assembly includes a water pump, a spray pipe, and multiple nozzles. The water pump is installed at the bottom of the spray box, and a liquid storage tank is provided inside the spray box. The inlet end of the water pump extends into the liquid storage tank. The spray pipe is installed at the outlet end of the water pump and extends into the spray box. The multiple nozzles are all installed on the spray pipe and are all located inside the spray box.

3. The zinc smelting tail gas treatment equipment as described in claim 1, characterized in that, The exhaust pipe is equipped with a metal pipe section, a fan is installed on one side of the water tank, an exhaust pipe is installed at the exhaust end of the fan, the exhaust pipe is provided with multiple exhaust holes located at the bottom of the metal pipe section, and a filter box is detachably installed at the air inlet end of the fan.

4. The zinc smelting tail gas treatment equipment as described in claim 1, characterized in that, The top of the spray box is provided with a pressure relief assembly, which includes a mounting plate, multiple springs, a baffle and a sealing gasket. The top of the spray box is provided with an exhaust port. The mounting plate is fixed to the inner wall of the top of the spray box. The baffle is installed at the bottom of the multiple springs. The sealing gasket is fixed at the bottom of the baffle. The baffle is used to close the exhaust port.

5. The zinc smelting tail gas treatment equipment as described in claim 4, characterized in that, The top of the spray box is equipped with a rubber telescopic cylinder that is sleeved outside the pressure relief assembly. A top plate is installed on the top of the rubber telescopic cylinder. A return pipe is provided on the top plate. The return pipe is connected to the exhaust pipe. A valve is installed on the return pipe. A one-way valve is provided on the exhaust pipe.

6. The zinc smelting tail gas treatment equipment as described in claim 5, characterized in that, Both sides of the spray box are equipped with limiting rods that can move through the top plate. The spray box is equipped with an observation window, and each of the multiple springs is equipped with a limiting telescopic rod.

7. The zinc smelting tail gas treatment equipment as described in claim 1, characterized in that, A drain pipe is installed at the bottom of the water tank, and an electric valve is installed on the drain pipe. A temperature sensor is installed on one side of the water tank, and the detection probe of the temperature sensor extends into the water tank.

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