CN218890356U

CN218890356U - Zeolite adsorption catalytic combustion system with skid-mounted structure

Info

Publication number: CN218890356U
Application number: CN202122386780.6U
Authority: CN
Inventors: 吴天添; 杨苏川; 李俐俐
Original assignee: Jiangsu New Bee Environmental Protection And Technology Co ltd
Current assignee: Jiangsu New Bee Environmental Protection And Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-04-21
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a zeolite adsorption catalytic combustion system with a skid-mounted structure, which comprises a base; the base is provided with a pretreatment device, an adsorption and desorption device and a catalytic combustion device; the pretreatment device comprises a cloth bag wire mesh dust remover; one side of the cloth bag wire mesh dust remover is connected with an air inlet, and the other side of the cloth bag wire mesh dust remover is connected with a first air supply pipeline; the lower end of the air supply pipeline is provided with an adsorption and desorption device; the adsorption and desorption device comprises a zeolite adsorption box A and a zeolite adsorption box B, and an analysis valve is arranged at the lower end outlet pipe orifice and the exhaust pipe; the exhaust pipe terminal is provided with an exhaust port; one side of the exhaust pipe is also connected with a catalytic combustion device through a pipeline; the catalytic combustion device comprises a catalytic combustion chamber and an air-air heat exchanger. The utility model adopts the skid-mounted assembly to integrate the purposes of on-site installation and quick assembly of a user, and the skid-mounted structure is simple and convenient to assemble and disassemble, and can be suitable for long distance or movement of the whole device.

Description

Zeolite adsorption catalytic combustion system with skid-mounted structure

Technical Field

The utility model relates to a zeolite adsorption catalytic combustion system with a skid-mounted structure, and belongs to the technical field of environmental protection equipment.

Background

The zeolite adsorption catalytic combustion system utilizes the adsorption capacity of zeolite to adsorb and concentrate organic waste gas, and the activity of waste gas components is improved by the catalysis of a catalyst, and the organic waste gas is completely combusted and converted into CO2 and H2O by entering a combustion furnace, so that the purpose of waste gas purification is achieved.

The whole equipment of the existing zeolite adsorption catalytic combustion system is large in size, limited in part of sites, difficult to configure and install, often required to be installed and configured at a user site, often incapable of being matched with site conditions of the user, and required to be modified by a large amount of manpower. The existing equipment often has overlarge overall occupation of equipment due to pipeline requirements, so that excessive idle space is caused, space resources are wasted, and the existing equipment is not attractive. The zeolite particle concentration and catalysis combustion equipment is mainly produced by environmental protection companies in the market at present by using single equipment, the equipment is positioned one by one on site, and then is connected with a pipeline after being positioned, the equipment is long in installation time, and the corresponding installation period is long and the cost is high.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a zeolite adsorption catalytic combustion system with a skid-mounted structure, so that functional components can be integrated on an integral base and can be integrally installed and moved; the equipment can be moved and positioned by only using a crane once; the manpower requirement is effectively reduced, and the problem that large-scale equipment cannot be installed due to site limitation is solved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a zeolite adsorption catalytic combustion system with a skid-mounted structure comprises a base; the base is provided with a pretreatment device, an adsorption and desorption device and a catalytic combustion device; the pretreatment device comprises a cloth bag wire mesh dust remover; one side of the cloth bag wire mesh dust remover is connected with an air inlet, and the other side of the cloth bag wire mesh dust remover is connected with a first air supply pipeline; the cloth bag wire mesh dust remover is vertically arranged on a main body of the air supply pipeline through a main fan; one side of the upper end of the first air supply pipeline is connected with a second air supply pipeline; the air supply pipeline is transversely arranged at the upper end of the adsorption and desorption device; two air supply ports are arranged at the lower end of the air supply pipeline; an air inlet valve is connected to the pipeline connected with the air supply port; the lower end of the air inlet valve is provided with an adsorption and desorption device; the adsorption and desorption device comprises a zeolite adsorption box A and a zeolite adsorption box B; the outlet pipe orifices at the lower ends of the zeolite adsorption box A and the zeolite adsorption box B are connected to the exhaust pipe; an analysis valve is arranged at the position of the outlet pipe orifice and the exhaust pipe; the exhaust pipe terminal is provided with an exhaust port; the pipeline where the exhaust port is located is vertically arranged; one side of the exhaust pipe is also connected with a catalytic combustion device through a pipeline; the catalytic combustion device comprises a catalytic combustion chamber and a gas-gas heat exchanger; and the gas desorbed in the exhaust pipe is adsorbed into the catalytic combustion chamber through the desorption fan.

Furthermore, the air inlet and the air supply port are respectively provided with an air inlet and outlet flange connected with an upper pipeline, a lower pipeline and a device.

Further, an exhaust main fan is arranged at the pipeline where the exhaust port is located and is used for exhausting gas from the exhaust port of the vertical pipeline.

Further, lifting lugs for hooking by a crane are arranged around the base.

Further, the fixing brackets where the pretreatment device, the adsorption and desorption device and the catalytic combustion device are located are all fixed on the base in a bolt connection mode.

The beneficial effects of the utility model are as follows: the utility model adopts the skid-mounted assembly to integrate the purpose of on-site installation and quick assembly of a user, and the skid-mounted structure is simple and convenient to assemble and disassemble, can be suitable for long distance or movement of the whole device, and meanwhile, after the equipment is installed, the equipment is transported to the user site, only the air inlet flange, the air outlet flange and the circuit are required to be installed on the site, the equipment is connected, and the equipment is connected by adopting flange connection and flexible connection, so that the step of on-site calandria installation movement is omitted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of an electrical control structure of the present utility model.

In the figure: 1. the device comprises a base, a cloth bag screen dust collector, 21, an air inlet, 22, a first air supply pipeline, 23, a second air supply pipeline, 231, an air supply port, 3, an air inlet valve, 4, a zeolite adsorption box A,5, a zeolite adsorption box B,6, an exhaust pipe, 61, an exhaust port, 7, an analysis valve, 8, a catalytic combustion chamber, 9, an air-air heat exchanger, 10, a main fan, 11 and a desorption fan.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Unless defined otherwise, 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 utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model.

As shown in fig. 1 and 2, the utility model belongs to an environmental protection device, namely an organic waste gas treatment device, and designs a device structure which can be conveniently installed and moved; the skid-mounted type functional component is integrated on an integral base, and can be integrally installed and moved; the equipment can be moved and positioned by only using a crane once; the utility model can effectively reduce the manpower requirement and solve the problem that large-scale equipment cannot be installed due to the limitation of places.

The zeolite adsorption catalytic combustion system with a skid-mounted structure in the embodiment comprises a base 1; the base 1 is provided with a pretreatment device, an adsorption and desorption device and a catalytic combustion device; the pretreatment device comprises a cloth bag wire mesh dust remover 2; one side of the cloth bag wire mesh dust remover 2 is connected with an air inlet 21, and the other side is connected with an air supply pipeline I22; the cloth bag wire mesh dust remover 2 is vertically arranged through a main body of the air supply pipeline I22 of the main fan 10; one side of the upper end of the first air supply pipeline 22 is connected with a second air supply pipeline 23; the second air supply pipeline 23 is transversely arranged at the upper end of the adsorption and desorption device; two air supply ports 231 are formed in the lower end of the second air supply pipeline 23; an air inlet valve 3 is connected to the pipeline connected with the air supply port 231; the lower end of the air inlet valve 3 is provided with an adsorption and desorption device; the adsorption and desorption device comprises a zeolite adsorption box A4 and a zeolite adsorption box B5; the outlet pipe orifices at the lower ends of the zeolite adsorption box A4 and the zeolite adsorption box B5 are connected to the exhaust pipe 6; an analysis valve 7 is arranged at the position of the outlet pipe orifice and the exhaust pipe 6; the end of the exhaust pipe 6 is provided with an exhaust port 61; the pipe in which the exhaust port 61 is located is vertically arranged; one side of the exhaust pipe 6 is also connected with a catalytic combustion device through a pipeline; the catalytic combustion device comprises a catalytic combustion chamber 8 and a gas-gas heat exchanger 9; the gas desorbed in the exhaust pipe 6 is absorbed into the catalytic combustion chamber 8 by the desorption fan 11, and one side of the catalytic combustion device is also connected with the adsorption and desorption device for cyclic desorption and regeneration.

In this embodiment, the bag-type screen dust collector 2: particulate matter and moisture in the gas are removed, and the gas inlet 21: from where the gas enters the apparatus; main fan 10: the waste gas is introduced into a zeolite adsorption box for adsorption after dust removal and filtration by a cloth bag; intake valve: the adsorption box is opened during adsorption, so that gas enters the adsorption box, and the desorption box is closed during desorption. Zeolite adsorption tanks a and B: adsorbing VOC components in the waste gas, discharging the purified gas after reaching the standard, and desorbing and concentrating the adsorbed VOC components to enter the subsequent process. Analysis valve 7: and opening the device during analysis to enable the desorption concentrated gas to enter a pipeline and be introduced into a subsequent process. Catalytic combustor 8: the desorption concentrated gas enters a zeolite adsorption box after catalytic combustion treatment to be continuously adsorbed and desorbed to be discharged after reaching the standard; gas-gas heat exchanger 9: cooling the desorbed and concentrated gas; desorption fan 11: the desorbed enriched gas is introduced into a catalytic combustion device.

In this embodiment, the air inlet 21 and the air supply opening 231 are preferably provided with an air inlet and outlet flange for connecting and fixing the upper and lower pipelines and devices.

In this embodiment, the pipeline where the exhaust port 61 is located is preferably further provided with an exhaust main fan for exhausting the gas from the exhaust port of the vertical pipe.

In this embodiment, preferably, lifting lugs for hooking by a crane are arranged around the base 1.

In this embodiment, the fixing brackets where the pretreatment device, the adsorption and desorption device and the catalytic combustion device are located are preferably all fixed on the base 1 by means of bolting.

Working principle: the pretreatment system is provided with a cloth bag silk screen filter, so that water and gas carried out in the waste gas are removed, and meanwhile, small dust particles are purified to protect the follow-up particle zeolite and the catalyst. And (3) high-altitude emission of tail gas reaching standards through a fan, and an adsorption purification process: waste gas, pretreatment, zeolite molecular sieve adsorption, fan and standard emission. And stopping the adsorption operation when the adsorption of the granular zeolite molecular sieve is saturated quickly, and desorbing the organic matters from the zeolite molecular sieve adsorption device by using the hot air flow to regenerate the organic matters. After the organic waste gas enters the catalytic combustion device, the organic waste gas is heated to about 500 ℃ by an electric heater in the catalytic oxidation bed, and harmless H2O and CO2 are generated through thermal reaction under the action of a catalyst. And (3) a desorption catalysis procedure: heated gas, zeolite molecular sieve desorption, catalytic oxidation, fan and standard discharge. And discharging a part of oxidized tail gas to the atmosphere, and delivering the other part of the oxidized tail gas to a heat exchanger for desorption and regeneration of the adsorption material. Two zeolite particle adsorption tanks are designed in consideration of continuous production working conditions of workshops, one is used for adsorption and the other is used for desorption, so that continuous and stable operation of the system is ensured.

The device can be manufactured and assembled in a factory after the construction and the debugging of the skid-mounted device are finished in the factory, and the device can be started to operate only by completing the connection of the interface pipeline and external electricity after the device is operated on site of a user. The functional components of the skid-mounted device are integrated in an integral base, frame or container, so that the skid-mounted device can be conveniently moved integrally or transported for a long distance. The skid-mounted device has compact structure, reasonable arrangement and high integration of each unit component, and compared with the traditional on-site installation mode, the skid-mounted device can greatly reduce the occupied area. The skid-mounted device can be small or large in scale, can be split into a plurality of skid-mounted unit modules for large chemical devices, and can be spliced into a large device on the site of a user in a building block building mode, and the scale of the device is not limited in theory. The user entrusts the works of designing, purchasing, processing, building, debugging and the like of the device to the professional company to do, so as to realize the resource optimization configuration, save time for the user, reduce cost and simplify complicated project construction and management work. The skid-mounted device is designed and built on the basis of meeting the practicability, and the skid-mounted device is compact, tidy, clean, sanitary, exquisite, attractive and the like, and has good appearance and display degree.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims

1. The zeolite adsorption catalytic combustion system with the skid-mounted structure is characterized by comprising a base (1); the base (1) is provided with a pretreatment device, an adsorption and desorption device and a catalytic combustion device; the pretreatment device comprises a cloth bag wire mesh dust remover (2); one side of the cloth bag wire mesh dust remover (2) is connected with an air inlet (21), and the other side of the cloth bag wire mesh dust remover is connected with an air supply pipeline I (22); the cloth bag wire mesh dust remover (2) drives air inlet through a main fan (10); the main body of the first air supply pipeline (22) is vertically arranged; one side of the upper end of the first air supply pipeline (22) is connected with a second air supply pipeline (23); the second air supply pipeline (23) is transversely arranged at the upper end of the adsorption and desorption device; two air supply ports (231) are formed in the lower end of the air supply pipeline II (23); an air inlet valve (3) is connected to the pipeline connected with the air supply port (231); the lower end of the air inlet valve (3) is provided with an adsorption and desorption device; the adsorption and desorption device comprises a zeolite adsorption box A (4) and a zeolite adsorption box B (5); the lower end air outlet pipe orifices of the zeolite adsorption box A (4) and the zeolite adsorption box B (5) are connected to the exhaust pipe (6); an analysis valve (7) is arranged at the position of the air outlet pipe orifice and the air exhaust pipe (6); the terminal of the exhaust pipe (6) is provided with an exhaust port (61); the pipeline where the exhaust port (61) is located is vertically arranged; one side of the exhaust pipe (6) is also connected with a catalytic combustion device through a pipeline; the catalytic combustion device comprises a catalytic combustion chamber (8) and a gas-gas heat exchanger (9); the gas desorbed in the exhaust pipe (6) is adsorbed into the catalytic combustion chamber (8) through the desorption fan (11).

2. The skid-mounted zeolite adsorption catalytic combustion system according to claim 1, wherein the air inlet (21) and the air supply port (231) are respectively provided with an air inlet and outlet flange connected with an upper pipeline and a lower pipeline and a device.

3. The skid-mounted zeolite adsorption catalytic combustion system according to claim 1, wherein the pipeline where the exhaust port (61) is located is further provided with an exhaust main fan for exhausting gas from the exhaust port of the vertical pipeline.

4. The zeolite adsorption catalytic combustion system with the skid-mounted structure according to claim 1, wherein lifting lugs for hooking by a crane are arranged on the periphery of the base (1).

5. The skid-mounted zeolite adsorption catalytic combustion system according to claim 1, wherein the fixing brackets of the pretreatment device, the adsorption and desorption device and the catalytic combustion device are all fixed on the base (1) in a bolt connection manner.