CN210964641U - Modularization VOC catalytic apparatus - Google Patents

Abstract

The utility model discloses a modularized VOC catalytic device, which comprises a catalytic module and an external processing module, wherein the external processing module is provided with a third air inlet pipeline and a third air outlet pipeline, and the catalytic module is connected with the external processing module through the third air inlet pipeline and the third air outlet pipeline; the structure performs necessary integration on each component in the VOC catalytic system, realizes a more compact structure and a modular design, can replace different external processing modules under different waste gas conditions, improves the interchangeability and the universality of equipment, improves the use efficiency of the equipment and reduces the production cost; meanwhile, the hoop structure is arranged to fix the pipeline, so that the vibration of a part of pipeline can be absorbed while the pipeline is fixed; the utility model discloses still set up protector, protected the pipeline when not connecting outside processing module, prevent that dust or water droplet from getting into, guarantee the safety of equipment.

Description

Modularization VOC catalytic apparatus

Technical Field

The utility model relates to an organic waste gas treatment technical field specifically is a modularization VOC catalytic apparatus.

Background

VOC (volatile organic compound) catalytic equipment is a device which heats organic gas to decomposition temperature under the action of a catalyst to purify the gas based on low-temperature oxidation technology. The catalyst has good use effect in the environment of high-concentration low-air-volume waste gas, and is an ideal catalytic combustion device with low investment cost and high removal rate.

Different processes are suitable for different waste gas conditions and have different effects. The condensation link is often used in a waste gas environment with higher concentration, the concentration of waste gas is greatly reduced after condensation, and the temperature required by catalysis is higher; the adsorption link is often used for high exhaust gas concentration, low required temperature and the like in catalysis. And the other equipment needed in different process conditions is naturally different, such as an air duct type heater which has low temperature requirement, a pipeline type heater which has high temperature requirement and the like.

The VOC catalytic equipment as a large-scale treatment system comprises a plurality of parts, namely core parts such as a pneumatic control and a catalytic chamber, and a heater, an adsorption tank, a condenser and the like which are selected according to different process requirements, so that the whole system occupies a large area, and a plurality of equipment are directly exposed, and certain potential safety hazards exist; also, due to the large number of parts, disassembly and assembly as well as transportation can become cumbersome.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the VOC catalytic equipment is provided, necessary integration is carried out on each component in the VOC catalytic system, and a more compact structure is realized on the basis that the work of the equipment is not influenced; simultaneously, the requirement of convenient disassembly and assembly is met.

The utility model adopts the technical proposal that: the utility model provides a modularization VOC catalytic apparatus, it includes catalytic module, processing module, be equipped with third air inlet pipeline and third air-out pipeline on the processing module, catalytic module with processing module passes through third air inlet pipeline with third air-out pipeline is connected. The whole VOC catalytic equipment is divided into two parts by the catalytic module and the processing module, the modular design is realized, and the two modules are connected through the third air inlet pipeline and the third air outlet pipeline, so that VOC gas can flow in the two modules, and the normal operation of the whole system is ensured.

Preferably, a module frame is arranged in the catalytic module, a first air inlet pipeline, a first air outlet pipeline, a second air inlet pipeline and a second air outlet pipeline are arranged on the module frame, the first air inlet pipeline and the second air outlet pipeline are respectively located on the side face of the module frame, the first air outlet pipeline and the second air inlet pipeline are located above the module frame, the first air outlet pipeline is connected with the third air inlet pipeline, and the second air inlet pipeline is connected with the third air outlet pipeline. The first air inlet pipeline is used for introducing VOC gas, and the second air outlet pipeline is used for discharging the treated gas.

Preferably, a catalytic chamber is further arranged in the module frame, and the catalytic chamber is respectively connected with the second air inlet pipeline and the second air outlet pipeline. The catalytic chamber is used for carrying out catalytic work on the VOC, and the VOC is converted into harmless gas by catalyzing the VOC.

Preferably, a buffer tank is arranged in the module frame, the buffer tank is positioned on one side of the catalysis chamber, and one side of the buffer tank is connected with the first air outlet pipeline. The surge tank buffers the VOC gas entering the catalytic apparatus, reducing its flow rate, and also helps to protect other components.

Preferably, a fan and a variable frequency motor are arranged in the module frame, the fan is connected with the variable frequency motor, the fan and the variable frequency motor are located below the buffer tank, the fan is connected with the first air inlet pipeline, and one side of the fan is connected with the buffer tank through a pipeline. The produced negative pressure of fan and inverter motor work can be inhaled VOC catalytic unit to carry VOC to the buffer tank in through the pipeline of being connected with the buffer tank, inverter motor can also make the size of wind-force change according to changing its frequency, with the adaptation different waste gas conditions.

Preferably, a control system is further arranged in the module frame, and the control system is located on one side of the buffer tank and fixed on the module frame. The control system is used for controlling the start and stop of the whole equipment and the frequency of the fan and the variable frequency motor, and automatic work is realized.

Preferably, the first air inlet pipeline, the first air outlet pipeline, the second air inlet pipeline and the second air outlet pipeline are fixed through hoops, each hoop is formed by combining two plates after being bent, the middle part of one hoop is bent into an inwards-concave 90-degree arc, straight sections at two ends of each arc are symmetrically bent in a direction away from the center of the arc and form an angle of 90 degrees, and two end parts of each straight section are connected to the module frame after being bent for 90 degrees in the inwards-concave direction; the middle part of the other block is bent into an inwards concave 270-degree circular arc, the straight sections at the two ends of the circular arc are symmetrically bent along the direction away from the center of the circular arc and form an angle of 90 degrees, and the two end parts of the straight sections are connected to the module frame after being bent for 90 degrees along the inwards concave direction. The first air inlet pipeline, the first air outlet pipeline, the second air inlet pipeline and the second air outlet pipeline are fixed by the hoops, so that overlarge vibration caused by gas flow can be avoided when the pipelines work; the hoops formed by bending the two plates have certain elasticity, so that the pipelines can be fixed, vibration of a part of pipelines can be absorbed, and resonance of the module frame caused by vibration of the pipelines is reduced.

Preferably, the catalytic module is further provided with a frame outer wall, the frame outer wall is arranged on the outer side of the module frame and connected with the module frame, and the first air outlet pipeline and the second air inlet pipeline are provided with protection devices. Frame outer wall parcel is in the module frame outside, protects whole catalytic module, can avoid dust or rainwater etc. to get into catalytic module and lead to the trouble, makes whole catalytic module look clean and tidy simultaneously.

Preferably, the protection device comprises a hinge and a cover plate, the hinge is fixed on the outer wall of the frame, and the cover plate is connected to the hinge. The protective device is arranged on the first air outlet pipeline and the second air outlet pipeline, and when the catalytic equipment is not used or is not connected with the processing module, the pipeline can be covered by the cover plate of the protective device, so that dust, water drops and the like are prevented from entering the pipeline; when the processing module is required to be connected, the cover plate can be connected only by opening the cover plate.

After the structure more than adopting, the utility model discloses a modularization VOC catalytic apparatus compares with prior art and has following advantage: the module is a small whole and can be directly connected with other equipment, and under the condition that the sizes of the interfaces are consistent, the model of external connection equipment can be changed, so that the module can be connected with an air duct type heater with the heating temperature lower than 300 ℃ and also can be connected with a pipeline type heater with the heating temperature up to 500 ℃ and the like.

Drawings

Fig. 1 is a schematic structural view of the modular VOC catalytic apparatus of the present invention.

Fig. 2 is a partially enlarged schematic view of the region "a" in fig. 1.

Figure 3 is the utility model discloses a modularization VOC catalytic apparatus hoop structure sketch map.

Wherein, 1, a catalytic module; 2. a processing module; 2.1, a third air inlet pipeline; 2.2, a third air outlet pipeline; 3. a module frame; 3.1, a first air inlet pipeline; 3.2, a first air outlet pipeline; 3.3, a second air inlet pipeline; 4. a fan; 5. a variable frequency motor; 6. a control system; 7. a buffer tank; 8. a catalyst tank; 9. a hinge; 10. a cover plate; 11. hoop ring

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The utility model provides a modularization VOC catalytic apparatus, it includes catalytic module 1, processing module 2, and processing module 2 goes up third inlet duct 2.1 and third air-out pipeline 2.2, and catalytic module 1 is connected through third inlet duct 2.1 and third air-out pipeline looks 2.2 with processing module 2.

A module frame 3 is arranged in the catalytic module 1, and a first air inlet pipeline 3.1, a first air outlet pipeline 3.2, a second air inlet pipeline 3.3 and a second air outlet pipeline 3.4 are arranged on the module frame 3. The first air inlet pipeline 3.1 and the second air outlet pipeline 3.4 are respectively arranged on the side surface of the module frame 3 and are respectively used for introducing VOC and discharging catalyzed gas; the first air outlet pipeline 3.2 and the second air inlet pipeline 3.3 are arranged above the module frame 3 and are respectively used for being connected with the third air inlet pipeline 2.1 and the third air outlet pipeline 2.2.

The module frame 3 is also provided with a fan 4, a variable frequency motor 5, a buffer tank 7, a catalytic tank 8, a control system 6 and the like, a first air inlet pipeline 3.1 is connected with an air inlet end of the fan 4, the fan 4 is connected with the variable frequency motor 5, and the fan 4 is driven to rotate by the operation of the variable frequency motor 5, so that negative pressure can be generated to pump the VOC gas into the catalytic system; the one end of buffer tank 7 is passed through the pipeline and is linked to each other with 4 air outlets of fan, the gaseous VOC who inhales through fan 4 slows down in getting into buffer tank 7, the other end of buffer tank 7 is connected with first air outlet 3.2, gaseous VOC who lets in the buffer tank 7 in into processing module 2, one side of buffer tank 7 is provided with control system 6, control system 6 connects on module frame 3, one side of buffer tank 7 is equipped with catalysis room 8, catalysis room 8 give vent to anger pipeline 3.4 with the second respectively with second inlet line 3.3 and be connected, second inlet line 3.3 lets in catalysis room 8 with the gaseous VOC who passes through processing module 2, give vent to anger pipeline 3.4 discharge system by the second after the catalysis.

The first air inlet pipeline 3.1, the first air outlet pipeline 3.2, the second air inlet pipeline 3.3 and the second air outlet pipeline 3.4 are fixed inside the module frame 3 through the hoop 11, as shown in fig. 3, the hoop 11 is formed by bending and combining two plates, wherein one of the two plates is bent into an inward-concave 90-degree circular arc, the straight sections at the two ends of the circular arc are symmetrically bent in the direction far away from the center of the circular arc and form an angle of 90 degrees, and the two end parts of the straight sections are connected to the module frame 3 after being bent by 90 degrees along the inward-concave direction; the middle part of the other block is bent into an inwards concave 270-degree circular arc, the straight sections at the two ends of the circular arc are symmetrically bent along the direction away from the center of the circular arc and form an angle of 90 degrees, and the two end parts of the straight sections are connected to the module frame 3 after being bent for 90 degrees along the inwards concave direction. The hoops 11 may be bolted or snap-fit to the module frame 3.

The outer side of the module frame 3 is provided with a frame outer wall, the module frame is wrapped up and connected with the module frame 3, the whole catalytic module is protected, faults caused by dust or rainwater entering the catalytic module can be avoided, and meanwhile, the whole catalytic module looks neat; as shown in fig. 2, the first air outlet pipeline 3.2 and the second air inlet pipeline 3.3 are provided with protective devices, each protective device comprises a hinge 9 and a cover plate 10, the hinge 9 is fixed on the outer wall of the frame, and the cover plate 10 is connected to the hinge 9, so that when the catalytic equipment is not used or is not connected with the processing module 2, the cover plate 10 of each protective device can cover the pipelines to prevent dust or water drops and the like from entering; when the processing module is required to be connected, the cover plate can be connected only by opening the cover plate.

As shown in fig. 1 and 3, the module frame 3 may be constructed by welding, bolting, or the like using a material such as channel steel, square steel, or angle steel, and may be used as a fixing support for other members.

The control system 6 is used for controlling the start and stop of the whole equipment and the frequency of the fan and the variable frequency motor to realize automatic work, the control system 6 can adopt a P L C system and is fixed on the module frame 3 and tightly connected with the outer wall of the frame, and the connecting circuit of the control system is far away from the catalytic chamber 8 and is fixed along the wiring of the frame to prevent the influence of high-temperature gas of the catalytic chamber.

The buffer vessel 7 may be fixed inside the module frame by means of a hoop structure, which stabilizes the buffer vessel 7 to prevent excessive vibration of the apparatus when gas enters the buffer vessel 7.

As shown in fig. 2, the first air outlet duct 3.2 and the third air inlet duct 2.1, and the third air outlet duct 2.2 and the second air inlet duct 3.3 may be connected by flanges and bolts, so that the connection structure is stable and the connection is easy to detach.

The treatment module 2 may include one or a combination of several of a heater, an adsorption tank, a condenser, etc., different treatment processes are selected according to the conditions of the waste gas to be treated, and the required treatment module is selected according to the selected treatment process, for example, the waste gas environment with higher concentration needs to be condensed and then heated for catalysis, the concentration of the waste gas can be greatly reduced after condensation, and the treatment module needs the condenser and the heater; simultaneously, the temperature demand of reply difference also can adopt different heaters, for example, the required catalytic temperature of waste gas through the condensation is higher, can adopt pipeline formula heater, and the required catalytic temperature of waste gas through the absorption link is lower, can adopt wind channel formula heating etc..

The working principle is that the catalytic module 1 and the processing module 2 are connected through a third air inlet pipeline 2.1 and a third air outlet pipeline 2.2, after the two modules are connected, then the catalytic treatment of VOC gas can be carried out, the VOC gas enters from the first air inlet pipeline 3.1, because the variable frequency motor 5 and the fan 4 act and the negative pressure generated by the variable frequency motor is sucked into the buffer tank 7, the buffer tank 7 plays a certain role in buffering and stabilizing the flow of gas in the pipeline and is also helpful for protecting other elements, after the gas passes through the buffer tank 7, the gas state is relatively stable, and the gas is led to the processing module 2 from the catalytic module 1 through a first air outlet pipeline 3.2 and a third air inlet pipeline 2.1, after being processed by the processing module 2, the gas returns to the catalytic module 1 through a third air outlet pipeline 2.2 and a second air inlet pipe 3.3, and enters a catalytic chamber 8 for catalytic treatment, and is discharged through a second air outlet pipeline 3.4 after the catalytic treatment is finished.

If the VOC condition that needs to be handled changes, when needing different catalysis technology, with the junction disconnection of processing module and catalytic module, catalytic module keeps original position unchangeable, only needs to change different processing modules, alright in order to be applicable to the VOC gas of catalyzing various conditions.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (9)

1. A modular VOC catalytic apparatus comprising a catalytic module (1), a treatment module (2), characterized in that: be equipped with third air inlet pipeline (2.1) and third air-out pipeline (2.2) on processing module (2), catalytic module (1) with processing module (2) pass through third air inlet pipeline (2.1) with third air-out pipeline (2.2) are connected.

2. A modular VOC catalytic apparatus as claimed in claim 1, wherein: be equipped with module frame (3) in catalysis module (1), be equipped with first intake stack (3.1), first air-out pipeline (3.2), second intake stack (3.3), second air-out pipeline (3.4) on module frame (3), first intake stack (3.1) and second air-out pipeline (3.4) are located respectively the side of module frame (3), first air-out pipeline (3.2) and second intake stack (3.3) are located the top of module frame (3), first air-out pipeline (3.2) with third air-out pipeline (2.1) is connected, second intake stack (3.3) with third air-out pipeline (2.2) are connected.

3. A modular VOC catalytic apparatus as claimed in claim 2, wherein: still be equipped with catalysis room (8) in module frame (3), catalysis room (8) respectively with second intake stack (3.3) with second air-out pipeline (3.4) are connected.

4. A modular VOC catalytic apparatus as claimed in claim 3, wherein: be equipped with buffer tank (7) in module frame (3), buffer tank (7) are located one side of catalysis room (8), one side of buffer tank (7) with first air-out pipeline (3.2) are connected.

5. A modular VOC catalytic apparatus as claimed in claim 4, wherein: be equipped with fan (4), inverter motor (5) in module frame (3), fan (4) with inverter motor (5) are connected, fan (4) with inverter motor (5) are located the buffer tank below, fan (4) with first intake stack (3.1) are connected, fan (4) through the pipeline with buffer tank (7) are connected.

6. A modular VOC catalytic device as claimed in claim 5, wherein: still be equipped with control system (6) in module frame (3), control system (6) are located buffer tank (7) one side, and fix on module frame (3).

7. A modular VOC catalytic apparatus as claimed in claim 2, wherein: the first air inlet pipeline (3.1), the first air outlet pipeline (3.2), the second air inlet pipeline (3.3) and the second air outlet pipeline (3.4) are fixed through a hoop (11), the hoop (11) is formed by combining two plates after being bent, the middle part of one plate is bent into an inwards-concave 90-degree circular arc, straight sections at two ends of the circular arc are symmetrically bent in the direction far away from the circle center of the circular arc and form an angle of 90 degrees, and two end parts of each straight section are connected to the module frame (3) after being bent for 90 degrees along the inwards-concave direction; the middle part of the other block is bent into an inwards concave 270-degree circular arc, the straight sections at the two ends of the circular arc are symmetrically bent along the direction away from the center of the circular arc and form an angle of 90 degrees, and the two end parts of the straight sections are connected to the module frame (3) after being bent for 90 degrees along the inwards concave direction.

8. A modular VOC catalytic apparatus as claimed in claim 2, wherein: the catalytic module (1) is further provided with a frame outer wall, the frame outer wall is arranged on the outer side of the module frame (3) and connected with the module frame (3), and a protection device is arranged on the first air outlet pipeline (3.2) and the second air inlet pipeline (3.3).

9. A modular VOC catalytic apparatus as claimed in claim 8, wherein: the protective device comprises a hinge (9) and a cover plate (10), wherein the hinge (9) is fixed on the outer wall of the frame, and the cover plate (10) is connected to the hinge (9).

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