CN215610487U

CN215610487U - Volatile organic compound waste liquid storage tank

Info

Publication number: CN215610487U
Application number: CN202120135164.0U
Authority: CN
Inventors: 杨黎明; 毛杨明
Original assignee: Jiangyin Youcheng Intelligent Engineering Co ltd
Current assignee: Jiangyin Youcheng Intelligent Engineering Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2022-01-25
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a volatile organic compound waste liquid storage tank, which comprises a cooling coil pipe arranged at the bottom of a gas-liquid storage tank, wherein the cooling coil pipe is connected with a cooler, an adjustable flow pump is arranged outside the gas-liquid conversion storage tank, a waste liquid inlet of the adjustable flow pump is connected with a circulating liquid outlet at the bottom of the gas-liquid storage tank through a circulating liquid outlet pipe, a circulating liquid outlet of the adjustable flow pump connects a liquid pipe with an atomizing spray head in an atomizing spray chamber through waste liquid, a water outlet on the gas-liquid storage tank is provided with the bottom of a tank body and is connected with the waste liquid storage tank through a water outlet pipe, the water outlet pipe is provided with a third valve, the gas-liquid storage tank is also provided with an exhaust pipe connected with an air outlet of a fan, and the exhaust pipe is connected with a one-way valve. This waste liquid storage tank has that the waste liquid treatment cost is lower, and waste liquid treatment efficiency is higher, and jar body simple structure mainly carries out purification treatment to the air that mixes in the closed factory building in macromolecular material processing field and contain VOC characteristics such as.

Description

Volatile organic compound waste liquid storage tank

Technical Field

The utility model relates to the technical field of waste gas treatment systems, in particular to a volatile organic compound waste liquid storage tank.

Background

The general term of VOC is the Total Volatile Organic Compounds (TVOC) defined by the world health organization as volatile organic compounds with a melting point lower than room temperature and a boiling point between 50 ℃ and 260 ℃. In the process of high polymer materials and engineering, due to the combined action of heating and shearing, low molecular weight components (namely VOC) in the materials can volatilize into the air, thereby influencing the production environment.

The Chinese patent numbers are: 202010218333.7 discloses a VOCs waste gas treatment method and a VOCs waste gas treatment system, the VOCs waste gas treatment method is: and (3) adopting silicone oil as a poor absorbent in the absorption tower to absorb the VOCs in the VOCs waste gas, wherein the silicone oil which absorbs the VOCs becomes a rich absorbent and enters the desorption tower for desorption, so that the VOCs in the silicone oil are heated and evaporated out for recovery. The silicone oil after desorption enters a biological treatment unit to degrade residual VOCs in the silicone oil, and the silicone oil without the VOCs is used as a poor absorbent and enters an absorption tower again to absorb the VOCs; and the waste gas from which the VOCs are removed in the absorption tower also enters the biological treatment unit to degrade the VOCs in the waste gas, and the treated purified gas is discharged. The method can improve the regeneration level of the absorbent, reduce the content of VOCs in the lean absorbent, and is suitable for the recovery treatment of waste gas with medium and high concentration and recovery value, particularly hydrophobic VOCs. However, the VOCs waste gas treatment method and the VOCs waste gas treatment system are complex in structure, the VOCs waste gas treatment cost is high, and the treatment result is not ideal.

The Chinese patent numbers are: 201620800373.1 discloses an air processing tube for VOC gas processing system, which comprises a tube body and a plurality of ultraviolet devices installed in the tube body, wherein two ends of the ultraviolet devices penetrate through the tube body, the ultraviolet devices comprise ultraviolet lamp tubes and grid sleeves sleeved on the peripheries of the ultraviolet lamp tubes, and the peripheries of the grid sleeves are coated with nickel nets. The utility model discloses an air treatment simple structure, the air current of being convenient for passes through, and is effectual to VOC's decomposition. The utility model discloses a still provide and have the VOC gas processing system of air treatment pipe can be fully handled the organic composition in the VOC gas. But the system is only suitable for treating waste gas in a small space range and is not suitable for treating the problem of air pollution in a larger space range.

The Chinese patent numbers are: 201811435736.6 discloses a method and a system for the biological treatment of VOC. The cooperative VOC biological treatment method comprises the following specific operation steps: 1) carrying out primary treatment on the VOC waste gas, spraying circulating water in the primary treatment process, and injecting nutrient solution into the circulating water while spraying the circulating water; 2) and carrying out secondary treatment on the treated VOC waste gas, and carrying out intermittent water spraying in the secondary treatment process. The cooperative VOC biological treatment system comprises a cooperative biological treatment system, a circulating spray device and an intermittent irrigation device, wherein the cooperative biological treatment system comprises a biological trickling filter unit and a biological filter unit which are communicated with each other, the biological trickling filter unit is connected with the circulating spray device, and the biological filter unit is connected with the intermittent irrigation device; the circulating spraying device is also connected with a nutrient solution injection device. The utility model discloses a can save and take up an area of, reduce the investment, no secondary pollution. However, the system has a complicated structure and the cost for treating the waste gas is high.

The Chinese patent numbers are: 201710063656.1 discloses a VOC waste gas treatment method and a VOC waste gas treatment process. The VOC waste gas treatment method comprises the step of physically cooling the VOC waste gas through a cold trap to remove high-concentration high-boiling-point components, so as to obtain a first gas. And (3) mixing the first gas with hydrogen peroxide steam and water vapor to obtain a second gas, and contacting and reacting the second gas with electrons with high energy to obtain a third gas. And introducing a third gas into the detection tube for detection. And introducing the third gas which is unqualified in detection into a catalytic device with a catalyst for catalytic reaction, and introducing the gas subjected to catalytic reaction into the detection tube again for detection. The method has the advantages of large processing capacity, high efficiency, low material consumption and high automation degree. However, the VOC waste gas treatment method and the VOC waste gas treatment process are complex in treatment process, the VOC waste gas treatment cost is high, and the treatment result is not ideal.

In summary, the prior art generally has the problems of insufficient gas treatment, high energy consumption of waste gas collection in the treatment process, and the like, so that a technical scheme for further solving the problems in the prior art is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the volatile organic compound waste liquid storage tank which is low in waste gas treatment cost, high in treatment efficiency and simple in tank body structure. Mainly aims at purifying the air mixed with VOC in a closed factory building in the field of processing high polymer materials.

In order to achieve the purpose, the technical scheme of the utility model is to provide a volatile organic compound waste liquid storage tank, the gas-liquid storage tank comprises a cooling coil arranged at the bottom of the gas-liquid storage tank, the cooling coil is connected with a cooler, an adjustable flow pump is arranged outside the gas-liquid conversion storage tank, a waste liquid inlet of the adjustable flow pump is connected with a circulating liquid outlet at the bottom of the gas-liquid storage tank through a circulating liquid outlet pipe, the circulating liquid outlet of the adjustable flow pump connects a liquid pipe with an atomizing spray head in an atomizing spray chamber through waste liquid, a water outlet on the gas-liquid storage tank is provided with the bottom of a tank body and is connected with the waste liquid storage tank through a water outlet pipe, the water outlet pipe is provided with a third valve, the gas-liquid storage tank is further provided with an exhaust pipe connected with an air outlet of a fan, and the exhaust pipe is connected with a one-way valve.

In order to facilitate the control of the waste water storage amount of the waste water storage tank and the state of the waste water entering the waste water incinerator, the preferable technical scheme is that a liquid level sensor is installed in the gas-liquid storage tank and is connected with a controller.

In order to conveniently and effectively utilize the waste liquid storage tank to collect the waste liquid and then send the waste liquid into the waste liquid incinerator for incineration, the further preferred technical scheme is that the gas-liquid storage tank and the volatile organic compound collecting and treating system are used together, the volatile organic compound collecting and treating system comprises a fan, an atomizing spray chamber, a gas-liquid storage tank, the waste liquid incinerator and a tail gas filter which are connected in sequence, a temperature control device is respectively arranged at the positions near an air inlet and an air outlet of the fan, an air outlet of the fan is connected with the atomizing spray chamber, the atomizing spray chamber is also connected with the gas-liquid storage tank and an ozone generator, a liquid outlet on the gas-liquid storage tank is connected with a liquid inlet of the waste liquid storage tank, a liquid outlet of the waste liquid storage tank is connected with the waste liquid incinerator through a first valve and a first booster pump in sequence, and the gas-liquid storage tank is also connected with one end of the filter through a second valve, the other end of the filter is connected with one end of a three-way valve through a second booster pump, the other two ends of the three-way valve are respectively connected with a circulating liquid inlet pipe and a cold water inlet pipe of the atomizing spray chamber, a temperature sensor is respectively arranged at the positions near an air inlet and an air outlet of the fan, and the fan and the temperature sensor are respectively connected with the controller.

In order to prevent the condensation of the components with relatively low boiling points in the VOC waste gas at the position of the fan and to perform necessary cooling to reduce the temperature after the VOC waste gas passes through the fan, the preferred technical scheme is that an air inlet pipe is connected to an air inlet of the fan, an exhaust pipe is arranged between an air outlet of the fan and the atomizing spray chamber, a temperature rising or heat preservation regulating and controlling device is arranged on the air inlet pipe, and a temperature lowering regulating and controlling device is arranged on the air outlet pipe.

In order to prevent the relatively low boiling point components in the VOC exhaust gas from condensing at the position of the fan and control the temperature near the air inlet of the fan within a set temperature range, a further preferred technical scheme is that the temperature-raising or heat-preserving control device comprises a hot air inlet pipe connected to the air inlet, or an air heater connected to the air inlet, and/or a heat-preserving sleeve additionally arranged outside the air inlet pipe.

In order to ensure that the VOC waste gas needs to be cooled to reduce the temperature after passing through the fan, the further preferable technical scheme is that the cooling regulation and control device comprises a cold air inlet pipe connected to the air outlet pipe or an air cooler arranged on the air outlet pipe.

In order to facilitate the cooling water to be atomized into micron-sized atomized water mist, the VOC particles are effectively condensed into cooling water mist cores, so that the cooling water-coated VOC particles taking the VOC particles as the center are effectively formed.

In order to convert water-coated VOC particles coated with cooling water in a water mist state into steam, carbon dioxide and granular carbon deposition by heating and burning, the preferred technical scheme is that the waste liquid incinerator comprises an incinerator shell, a fan motor is arranged on the incinerator shell, fan blades of a fan are arranged in the incinerator shell, an incinerator inner container is arranged in the incinerator shell, an electromagnetic heating component is arranged on the outer wall of the incinerator shell, a waste liquid inlet pipe is arranged at the upper part of the incinerator shell, an air inlet and an air outlet are arranged on the side wall of the incinerator shell, and a tail gas filter is connected to the air outlet.

In order to convert the water-coated VOC particles coated with the cooling water in the water mist state into water vapor, carbon dioxide and granular carbon deposition by heating and burning, the further preferable technical scheme is that the electromagnetic heating component comprises an electromagnetic coil arranged outside the incinerator shell, the electromagnetic coil is connected with a high-frequency electromagnetic oscillator, and the high-frequency electromagnetic oscillator is connected with a controller.

In order to facilitate the control of the opening and closing time of the valve and the opening size of the valve, the preferable technical scheme is that the first valve, the second valve and the three-way valve comprise electromagnetic valves, and the electromagnetic valves are connected with the controller.

The utility model has the advantages and beneficial effects that: the volatile organic compound waste liquid storage tank has the advantages of low waste gas treatment cost, high waste liquid treatment efficiency and simple tank structure. Mainly aims at the characteristics that the air mixed with VOC in a closed factory building in the field of processing high polymer materials is purified and treated, and the like.

The volatile organic compound trapping and treating system comprises a VOC gas trap, a waste liquid incinerator and an incineration tail gas purifier. Mainly aims at purifying the air mixed with VOC in a closed factory building in the field of processing high polymer materials. The VOC gas trap has the function of converting VOC gas into a liquid state by utilizing comprehensive methods such as cooling, spraying, chemical reaction and the like. Specifically, form the gaseous relative concentrated position installation updraft ventilator of VOC in the factory building, certain temperature need be guaranteed to VOC gas when the fan, prevents that the gaseous relatively lower component of boiling point of VOC from condensing in the fan position. Therefore, a heating or heat-insulating device is required to be installed at the position from the air inlet to the fan. After the VOC gas passes through the blower, the necessary cooling is required to reduce the temperature. The VOC gas is cooled and then enters the atomization spraying chamber, and meanwhile, in order to improve the collection effect of the VOC, a certain amount of ozone is introduced into the atomization spraying chamber. The ozone reacts with the organic components in the VOC gas to form liquid-fire-solid reaction products.

And a plurality of groups of atomizing nozzles are arranged in the atomized spray water to atomize the cooling water into micron-sized atomized water mist. The VOC particles become effective condensation nuclei of the cooling water mist, thereby effectively forming cooling water-coated VOC particles centered around the VOC particles. Along with the increase of the water-coated VOC particles, the water-coated VOC particles are settled under the action of gravity, the settled liquid flows into the gas-liquid storage tank, and in order to control the total amount of waste liquid in the gas-liquid storage tank, two ways of methods are adopted for atomizing and supplying water, a liquid level sensor is arranged in the gas-liquid storage tank, when the liquid level does not reach the position of the liquid level sensor, the source of the atomized water is pure water, when the liquid level reaches the position of the liquid level sensor, the source of the atomized water is switched to the storage liquid in the gas-liquid storage tank for circulation, and it is worth noting that the waste liquid needs to be filtered before being atomized, in order to prevent to block up atomizing nozzle, under general circumstances, the time control that the waste liquid circulation sprayed is within 48 hours, and the gas-liquid storage tank waste liquid of recycling gets into the waste liquid storage tank afterwards, is squeezed into the waste liquid incinerator by the waste liquid storage tank through first valve and first booster pump and is burnt the processing.

The waste liquid incinerator adopts electromagnetic radiation heating, and when electromagnetic radiation heating can guarantee to burn the steady operation of burning furnace, effectively reduced because adopt fuels such as fuel, natural gas directly to burn the probability that leads to the fact to burn burning furnace putty problem emergence. Moreover, the incinerator adopts the liner structure, so that the incinerator is more beneficial to cleaning the incinerated substances in the hearth. In addition, VOC waste liquid atomizing receives the atomization of fan leaf after getting into furnace, can greatly increase the specific surface area of waste liquid, fully mixes with hot air in the furnace, improves incineration efficiency. The VOC waste liquid after the atomizing is insufflated the incinerator inner bag by the fan simultaneously, can guarantee to burn the deposit and accumulate to burning in the incinerator inner bag, become with furnace clearance.

In order to ensure the purification degree of the burned gas products, the burned tail gas is purified by a burned tail gas evolutionary device. The incineration tail gas purifier has the function of purifying the incineration tail gas. The tail gas treatment can be carried out by adopting methods such as activated carbon filtration, porous ceramic sintered medium filtration, sludge filtration and the like.

Drawings

FIG. 1 is a schematic sectional view of a waste volatile organic compound liquid storage tank according to the present invention;

FIG. 2 is a schematic diagram of a VOC trap processing system for use with a waste reservoir;

fig. 3 is a schematic sectional structure view of the waste liquid incinerator in fig. 1.

In the figure: 1. a fan; 2. an atomizing spray chamber; 3. a gas-liquid storage tank; 3.1, cooling a coil pipe; 3.2, a cooling machine; 3.3, a flow-adjustable pump; 3.4, a circulating liquid discharge pipe; 3.5, a circulating liquid outlet; 3.6, a waste liquid inlet pipe; 3.7, a water outlet; 4. a waste liquid storage tank; 5, a waste liquid incinerator; 5.1, incinerator shell; 5.2, a fan motor; 5.3, fan blades; 5.4, an incinerator inner container; 5.5, an electromagnetic heating component; 5.6, a waste liquid inlet pipe; 5.7, an air inlet; 5.8, an exhaust port; 6. an exhaust gas filter; 7. an ozone generator; 8. a first valve; 9. a first booster pump; 10. a second valve; 11. a filter; 12. a second booster pump; 13. a three-way valve; 14. a cold water inlet pipe; 15. a temperature rise or preservation control device; 16. a temperature reduction regulation device; 17. an atomizing spray head; 18. a spherical net; 19. a drain pipe; 20. a third valve; 21. an exhaust pipe; 22. a one-way valve.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, the utility model is a volatile organic compound waste liquid storage tank, the gas-liquid storage tank 3 comprises a cooling coil 3.1 arranged at the bottom of the gas-liquid storage tank, the cooling coil 3.1 is connected with a cooler 3.2, an adjustable flow pump 3.3 is arranged outside the gas-liquid conversion storage tank 3, a waste liquid inlet of the adjustable flow pump 3.3 is connected with a circulating liquid outlet 3.5 at the bottom of the gas-liquid storage tank 3 through a circulating liquid outlet pipe 3.4, the circulating liquid outlet of the adjustable flow pump 3.3 is connected with an atomizing spray head 17 in an atomizing spray chamber 2 through a waste liquid inlet pipe 3.6, a water outlet 3.7 on the gas-liquid storage tank 3 is arranged at the bottom of the tank body, the water outlet 3.7 is connected with the waste liquid storage tank 4 through a water outlet pipe 19, a third valve 20 is arranged on the water outlet pipe 19, an exhaust pipe 21 connected with an air outlet of a fan 1 is further arranged on the gas-liquid storage tank 3, and a one-way valve 22 is connected on the exhaust pipe 21.

In order to control the waste water storage amount of the waste water storage tank 3 and the state of the waste water entering the waste water incinerator 4, the preferred embodiment of the utility model is that a liquid level sensor is installed in the gas-liquid storage tank 3 and is connected with a controller.

In order to facilitate the effective utilization of the waste liquid storage tank 3 to collect the waste liquid and then send the waste liquid into the waste liquid incinerator 4 for incineration, a further preferred embodiment of the utility model is that the gas-liquid storage tank 3 is used in a volatile organic compound trapping treatment system, the volatile organic compound trapping treatment system comprises a fan 1, an atomizing spray chamber 2, a gas-liquid storage tank 3, a waste liquid storage tank 4, a waste liquid incinerator 5 and a tail gas filter 6 which are connected in sequence, a temperature control device is respectively arranged at the positions near an air inlet and an air outlet of the fan 1, the air outlet of the fan 1 is connected with the atomizing spray chamber 2, the atomizing spray chamber 2 is also connected with the gas-liquid storage tank 3 and an ozone generator 7, a liquid discharge port on the gas-liquid storage tank 3 is connected with a liquid inlet of the waste liquid storage tank 4, and a liquid discharge port of the waste liquid storage tank 4 is connected with the waste liquid incinerator 5 through a first valve 8 and a first booster pump 9 in sequence, the gas-liquid storage tank 3 is also connected with one end of a filter 11 through a second valve 10, the other end of the filter 11 is connected with one end of a three-way valve 13 through a second booster pump 12, the other two ends of the three-way valve 13 are respectively connected with a circulating liquid inlet pipe and a cold water inlet pipe 14 of the atomizing spray chamber 2, the positions near an air inlet and an air outlet of the fan 1 are respectively provided with a temperature sensor, and the fan 1 and the temperature sensor are respectively connected with a controller. The device comprises a fan 1, an atomization spray chamber 2, a gas-liquid storage tank 3, a waste liquid storage tank 4, a waste liquid incinerator 5 and a tail gas filter 6 which are sequentially connected, wherein a temperature control device is respectively arranged at the position near an air inlet and an air outlet of the fan 1, the air outlet of the fan 1 is connected with the atomization spray chamber 2, the atomization spray chamber 2 is also connected with the gas-liquid storage tank 3 and an ozone generator 7, a liquid discharge port on the gas-liquid storage tank 3 is connected with a liquid inlet of the waste liquid storage tank 4, the liquid discharge port of the waste liquid storage tank 4 is connected with the waste liquid incinerator 5 through a first valve 8 and a first booster pump 9 in sequence, the gas-liquid storage tank 3 is also connected with one end of a filter 11 through a second valve 10, the other end of the filter 11 is connected with one end of a three-way valve 13 through a second booster pump 12, and the other two ends of the three-way valve 13 are respectively connected with a circulating liquid inlet pipe and a cold water inlet pipe 14 of the atomization spray chamber 2, the air inlet and the air outlet of the fan 1 are respectively provided with a temperature sensor, and the fan 1 and the temperature sensors are respectively connected with the controller.

In order to prevent the condensation of the relatively low boiling point components in the VOC exhaust gas at the position of the fan 1 and to perform necessary cooling to reduce the temperature after the VOC exhaust gas passes through the fan 1, a further preferred embodiment of the present invention is that an air inlet pipe is connected to an air inlet of the fan 1, an exhaust pipe is arranged between an air outlet of the fan 1 and the atomizing spray chamber 2, a temperature raising or preserving control device 14 is arranged on the air inlet pipe, and a temperature lowering control device 15 is arranged on the exhaust pipe.

In order to prevent the condensation of the relatively low boiling point components in the VOC exhaust gas at the position of the blower and control the temperature near the air inlet of the blower 1 within a set temperature range, a further preferred embodiment of the present invention is that the temperature-raising or temperature-maintaining control device comprises a hot air inlet pipe connected to the air inlet, or an air heater connected to the air inlet, and/or a temperature-maintaining jacket (not shown) attached to the outside of the air inlet pipe.

In order to ensure that the VOC exhaust gas is cooled as necessary after passing through the blower to reduce the temperature, a further preferred embodiment of the present invention is that the cooling regulation device comprises a cool air inlet pipe connected to the air outlet pipe, or an air cooler (not shown) installed on the air outlet pipe.

In order to facilitate the cooling water to be atomized into micron-sized atomized water mist, the VOC particles are effectively condensed into cooling water mist nuclei, so that the cooling water-coated VOC particles with the VOC particles as the center are effectively formed, the preferred embodiment of the utility model is also that a plurality of atomizing spray heads 17 are arranged in the atomizing spray chamber 2, the atomizing spray heads 17 are connected with a circulating liquid inlet pipe and a cold water inlet pipe 14 of the atomizing spray chamber 2, the upper part of the atomizing spray heads 17 is provided with a spherical net 18, the water mist and the ozone are mixed in the spherical net 18, and the bottom of the atomizing spray chamber 2 is connected with the upper part of the gas-liquid storage tank 3.

In order to convert the water-coated VOC particles coated with the cooling water in a water mist state into steam, carbon dioxide and granular carbon deposition by heating and burning, the preferred embodiment of the utility model is that the waste liquid incinerator 5 comprises an incinerator shell 5.1, a fan motor 5.2 is arranged on the incinerator shell 5.1, fan blades 5.3 of the fan are arranged in the incinerator shell 5.1, an incinerator inner container 5.4 is arranged in the incinerator shell 5.1, an electromagnetic heating component 5.5 is arranged on the outer wall of the incinerator shell 5.1, a waste liquid inlet pipe 5.6 is arranged at the upper part of the incinerator shell 5.1, an air inlet 5.7 and an air outlet 5.8 are arranged on the side wall of the incinerator shell 5.1, and a tail gas filter 6 is connected to the air outlet 5.8.

In order to be able to burn the water-coated VOC particles coated with cooling water in the form of water mist into water vapor, carbon dioxide and carbon deposits in the form of particles by heating, it is a further preferred embodiment of the present invention that the electromagnetic heating means 5.5 comprise an electromagnetic coil disposed outside the incinerator housing 5.1, the electromagnetic coil being connected to a high-frequency electromagnetic oscillator, the high-frequency electromagnetic oscillator being connected to a controller (not shown).

In order to facilitate the control of the opening and closing time of the valve and the opening amount of the valve, in a preferred embodiment of the present invention, the first valve 8, the second valve 10, and the three-way valve 13 each include an electromagnetic valve, and the electromagnetic valves are connected to a controller (not shown in the figure).

For example, the VOC gas in a factory enters the atomizing spray chamber 2 through the fan 1 and ozone at the same time, and organic components in the VOC gas react with the ozone to obtain liquid fire solid particles, namely, VOC particles. The liquid source of the atomization spray chamber 2 is pure water or waste liquid, when the liquid level of the waste liquid in the gas-liquid storage tank 3 is lower than a set position, the three-way electromagnetic valve 13 is communicated with a pure cold water passage, and the pure cold water needs a certain common supply pressure; when the liquid level of the waste liquid in the gas-liquid storage tank 3 is higher than the set position, the three-way electromagnetic valve is communicated with the second booster pump 12, the waste liquid in the gas-liquid storage tank 3 is pumped into the atomization spray chamber 2 by the second booster pump 12, and the waste liquid or pure cold water is atomized and then combined with the VOC particles to form water-coated VOC particles. Under the effect of gravity, the water drum covers in the VOC granule subsides to the gas-liquid storage tank, and after operation a period, third valve 20 is opened, and the waste liquid in the gas-liquid storage tank 3 changes over into in the waste liquid storage tank 4, then first valve 8 is opened, and second valve 10 is closed, and the waste liquid is squeezed into waste liquid incinerator 5 through first booster pump 9.

The waste liquid incinerator 5 structurally comprises an incinerator shell 5.1, an incinerator inner container 5.4, a fan motor 5.2, fan blades 5.3, a VOC waste liquid inlet pipe 5.6, an electromagnetic heating component 5.5 and the like. The left side gate is communicated with the grading column and introduces air. The gasoline measuring pipe orifice is communicated with the tail gas filter 6 to discharge combustion tail gas. In operation, two waste liquid inlet pipes 5.6 are adopted, one is opened, and the other is reserved. After the VOC waste liquid enters the waste liquid incinerator 5, the VOC waste liquid is smashed and atomized by the fan blades 5.3 rotating at a high speed, and the VOC waste liquid is fully contacted with hot air in the hearth and is combusted. The combustion sediment sinks to the bottom of the combustion furnace inner container 5.4, and the incinerated tail gas leaves from the right measuring pipe orifice and enters the tail gas filter 6. After working for a plurality of hours, the incinerator is opened, the inner container 5.4 of the incinerator is taken out, and the incineration sediment is cleaned.

Tests show that the VOC gas treatment is carried out on the rubber scouring workshop by utilizing the trapping and treatment provided by the utility model, and the non-methane total hydrocarbon discharged after final purification can be controlled to be 2mg/m²About 10mg/m which is obviously lower than the national standard²And (4) indexes.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a volatile organic compound waste liquid storage tank, a serial communication port, the gas-liquid storage tank is including setting up the cooling coil in gas-liquid storage tank bottom, cooling coil is connected with the cooler, be equipped with adjustable flow pump in the outside of gas-liquid conversion storage tank, adjustable flow pump's waste liquid inlet passes through the circulation liquid fluid-discharge tube and is connected with the circulation liquid leakage fluid dram of gas-liquid storage tank bottom, adjustable flow pump's circulation liquid outlet passes through the waste liquid and is connected liquid pipe and the indoor atomizer of atomizing spray, the outlet on the gas-liquid storage tank is equipped with the bottom of jar body, the outlet passes through the drain pipe and is connected with the waste liquid storage tank, be equipped with the third valve on the drain pipe, still be equipped with the blast pipe of being connected with the fan air outlet on the gas-liquid storage tank, be connected with the check valve on the blast pipe.

2. The voc waste liquid storage tank according to claim 1, wherein a liquid level sensor is installed in the gas-liquid storage tank, the liquid level sensor is connected to a controller, and the controller is connected to an electromagnetic valve.

3. The voc waste liquid storage tank according to claim 1, wherein the gas-liquid storage tank is used in combination with a voc trapping system, the voc trapping system comprises a blower, an atomizing spray chamber, a gas-liquid storage tank, a waste liquid incinerator and a tail gas filter, the blower is provided with a temperature control device at a position near an air inlet and an air outlet, the air outlet of the blower is connected with the atomizing spray chamber, the atomizing spray chamber is further connected with the gas-liquid storage tank and an ozone generator, a liquid outlet of the gas-liquid storage tank is connected with a liquid inlet of the waste liquid storage tank, a liquid outlet of the waste liquid storage tank is connected with the waste liquid incinerator via a first valve and a first booster pump in sequence, the gas-liquid storage tank is further connected with one end of the filter via a second valve, and the other end of the filter is connected with one end of a three-way valve via the second booster pump, the other two ends of the three-way valve are respectively connected with a circulating liquid inlet pipe and a cold water inlet pipe of the atomizing spray chamber, the positions near the air inlet and the air outlet of the fan are respectively provided with a temperature sensor, and the fan and the temperature sensors are respectively connected with the controller.

4. The voc waste liquid storage tank according to claim 3 wherein an air inlet pipe is connected to the air inlet of the fan, an exhaust pipe is provided between the air outlet of the fan and the atomizing spray chamber, a temperature raising or keeping control device is provided on the air inlet pipe, and a temperature lowering control device is provided on the exhaust pipe.

5. The VOC waste liquid storage tank as claimed in claim 4, wherein said temperature raising or keeping control means comprises a hot air inlet pipe connected to said air inlet, or an air heater connected to said air inlet, and/or a thermal insulation cover attached to the outside of said air inlet pipe.

6. The voc waste liquid storage tank according to claim 4, wherein the cooling control means comprises a cool air inlet pipe connected to the air outlet pipe, or an air cooler installed on the air outlet pipe.

7. The voc waste liquid storage tank according to claim 3 wherein a plurality of atomizers are installed in the atomizer chamber, the atomizers are connected to the inlet pipe and the cold water inlet pipe of the atomizer chamber, the upper part of the atomizers is equipped with a spherical net for mixing water mist and ozone in the spherical net, and the bottom of the atomizer chamber is connected to the upper part of the gas-liquid storage tank.

8. The voc waste liquid storage tank according to claim 3, wherein the waste liquid incinerator comprises an incinerator housing, a fan motor is provided on the incinerator housing, fan blades are provided in the incinerator housing, an incinerator inner container is provided in the incinerator housing, an electromagnetic heating member is provided on the outer wall of the incinerator housing, a waste liquid inlet pipe is provided on the upper portion of the incinerator housing, an air inlet and an air outlet are provided on the side wall of the incinerator housing, and a tail gas filter is connected to the air outlet.

9. The voc waste liquid storage tank according to claim 8, wherein the electromagnetic heating means comprises an electromagnetic coil disposed outside the incinerator housing, the electromagnetic coil being connected to a high frequency electromagnetic oscillator, the high frequency electromagnetic oscillator being connected to the controller.