Vertical adsorption circulation cylinder for VOCs (Volatile Organic Compounds)

Abstract

The utility model provides a VOCs vertical adsorption circulation cylinder which comprises a rotary cylinder body, a molecular sieve, an air inlet pipe, a desorption cavity and an air outlet pipe, and the molecular sieve is embedded in the side wall of the rotary cylinder body; the desorption cavity comprises an inlet desorption cavity and an outlet desorption cavity which are communicated with each other; the inlet desorption cavity is positioned in the rotary drum body; one end of the air inlet pipe is mounted at the top of the inlet desorption cavity and communicated with the inlet desorption cavity, and the other end of the air inlet pipe extends out of the top of the rotary drum body and is bent to extend in the radial direction; the outlet desorption cavity is arranged outside the rotary drum body; one end of the gas outlet pipe is communicated with the outlet desorption cavity, and the other end of the gas outlet pipe is communicated with an external reactor. According to the utility model, high-efficiency and low-energy-consumption treatment of VOCs can be realized, and the technical problem that the existing adsorption circulation cylinder is difficult to operate stably is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of adsorption flow drums, in particular to a VOCs vertical adsorption flow drum. Background Art

[0002] VOCs adsorption flow drum is a device used to adsorb and purify volatile organic compounds (VOCs). Compared with traditional adsorption purification devices, VOCs adsorption flow drum has a simple structure, good adaptability, and low production cost. It can effectively adsorb VOCs under low pressure loss.

[0003] The existing adsorption flow drum is usually horizontal, and the wheel module and the sealing strip are easily worn, which may cause problems such as cavity gas cross-talk, and it is difficult to replace each module. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a VOCs vertical adsorption flow drum, which can achieve high-efficiency and low-energy consumption treatment of VOCs and solve the technical problem that the existing adsorption flow drum is difficult to operate stably.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A VOCs vertical adsorption flow drum comprises a drum body, a molecular sieve, an air inlet pipe, a desorption chamber and an air outlet pipe, wherein:

[0007] A plurality of hollow structures are provided on the side wall of the drum body; a plurality of molecular sieves are respectively embedded in the hollow structures; the desorption chamber comprises an inlet desorption chamber and an outlet desorption chamber which are interconnected; the inlet desorption chamber is located inside the drum body; one end of the air inlet pipe is installed on the top of the inlet desorption chamber and is connected to the inlet desorption chamber, and the other end of the air inlet pipe extends from the top of the drum body and is bent to extend radially; the outlet desorption chamber is arranged outside the drum body; one end of the air outlet pipe is connected to the outlet desorption chamber, and the other end is connected to an external reactor.

[0008] Optionally or preferably, the drum body includes a drum bottom plate, a drum top plate and a plurality of space partitions; the plurality of space partitions are arranged upright on the drum bottom plate in a circular array; a gap is left between each of the space partitions, and the gap is used to set the molecular sieve; the drum top plate is a disc structure, supported by a plurality of space partitions, and erected above the drum bottom plate.

[0009] Optionally or preferably, a rotating bracket is provided at the center of the bottom of the drum body; the drum bottom plate at the bottom of the drum body is a chain plate; the drum body is arranged on a base plate through the rotating bracket; a driving wheel mechanism and a plurality of rollers are also provided on the base plate; the number of the rollers is three, which are fixed on the base plate, can hold the drum body and support the rotation of the drum body; the driving wheel mechanism cooperates with the chain plate to drive the drum body to rotate.

[0010] Optionally or preferably, the molecular sieve is a honeycomb structure zeolite molecular sieve.

[0011] Optionally or preferably, the inlet desorption chamber and the outlet desorption chamber are provided with an arc-shaped hanging plate on one side close to the drum body; the arc-shaped hanging plate cooperates with the side wall of the drum body to enable the inlet desorption chamber and the outlet desorption chamber to be movably hung on the drum body without affecting the rotation of the drum body.

[0012] Based on the above technical solution, the following technical effects can be produced:

[0013] The utility model provides a VOCs vertical adsorption flow drum, which can adsorb low-concentration VOCs gas, and the treatment effect can reach more than 95%; the utility model changes the traditional axial air intake to radial air intake, optimizes the airflow distribution, and reduces the alarm and failure rate BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram (stereoscopic diagram) of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the rotating drum body of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the bottom of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the inlet desorption chamber in the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the outlet desorption chamber in the utility model;

[0021] Description of the accompanying drawings:

[0022] 1-drum body, 101-drum bottom plate, 102-drum top plate, 103-space partition, 104-rotating bracket, 2-molecular sieve storage area, 3-air inlet pipe, 4-desorption chamber, 401-inlet desorption chamber, 402-outlet desorption chamber, 403-arc hanging plate, 5-outlet pipe, 6-driving wheel mechanism, 7-roller. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0024] In a preferred embodiment:

[0025] This embodiment provides a VOCs vertical adsorption flow drum, such as Figure 1 As shown, it includes a drum body 1, a molecular sieve, an air inlet pipe 3, a desorption chamber 4 and an air outlet pipe 5, wherein:

[0026] The side wall of the drum body 1 is provided with a plurality of hollow structures; the molecular sieves are multiple and are respectively embedded in the hollow structures, and the hollow structures serve as the molecular sieve storage area 2; Figure 2 As shown, the desorption chamber 4 includes an inlet desorption chamber 401 and an outlet desorption chamber 402 which are interconnected; the inlet desorption chamber 401 is located inside the drum body 1; one end of the air inlet pipe 3 is installed on the top of the inlet desorption chamber 401 and is connected to the inlet desorption chamber 401, and the other end of the air inlet pipe 3 extends from the top of the drum body 1 and bends to extend radially; the outlet desorption chamber 402 is arranged outside the drum body 1; one end of the air outlet pipe 5 is connected to the outlet desorption chamber 402, and the other end is connected to the external reactor.

[0027] Furthermore, in the present embodiment, the drum body comprises a drum bottom plate 101, a drum top plate 102 and a plurality of space partitions 103; the plurality of space partitions 103 are arranged upright on the drum bottom plate 101 in a circular array; a gap is left between each of the space partitions 103, and the gap is used to set a molecular sieve; the drum top plate 102 is a disc structure, supported by a plurality of space partitions 103, and is erected above the drum bottom plate 101.

[0028] Furthermore, in the present embodiment, a rotating bracket 104 is provided at the center of the bottom of the drum body 1; the drum bottom plate 101 at the bottom of the drum body 1 is a chain plate; the drum body 1 is arranged on a base plate through the rotating bracket 104; a driving wheel mechanism 6 and a plurality of rollers 7 are also provided on the base plate; three rollers 7 are fixed on the base plate, and can hold the drum body 1 and support the rotation of the drum body 1; the driving wheel mechanism 6 cooperates with the chain plate to drive the drum body 1 to rotate.

[0029] Further, in this embodiment, the molecular sieve is a honeycomb structure zeolite molecular sieve;

[0030] Specifically, the molecular sieve is a 0.15*0.15*0.4ZSM-5 composite module with high selectivity and capture efficiency.

[0031] Furthermore, in the present embodiment, an arc-shaped hanging plate 403 is provided on one side of the inlet desorption chamber 401 and the outlet desorption chamber 402 close to the drum body 1; the arc-shaped hanging plate 403 cooperates with the side wall of the drum body 1, so that the inlet desorption chamber 401 and the outlet desorption chamber 402 can be movably hung on the drum body 1 without affecting the rotation of the drum body 1.

[0032] The VOCs vertical adsorption flow drum provided in this embodiment has the following advantages:

[0033] (1) This embodiment has a high VOCs treatment capacity, and can treat 5000 to 30000 m3 / h of VOCs with a concentration in the range of 400 mg / m3;

[0034] (2) The whole machine of this embodiment is modular and lightweight in design;

[0035] (3) This embodiment has low energy consumption, low wear, and can operate stably for a long period of time;

[0036] (4) This embodiment adopts radial air intake, and the air flow distribution and flowability are good;

[0037] (5) In this embodiment, the molecular sieve is a porous material with high thermal conductivity and low specific heat, and has a high overall heat transfer coefficient, which can effectively shorten the desorption time and reduce the desorption energy consumption.

[0038] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A VOCs vertical adsorption flow drum, characterized by: It includes a drum body, a molecular sieve, an air inlet pipe, a desorption chamber and an air outlet pipe, wherein: A plurality of hollow structures are provided on the side wall of the drum body; a plurality of molecular sieves are respectively embedded in the hollow structures; the desorption chamber comprises an inlet desorption chamber and an outlet desorption chamber which are interconnected; the inlet desorption chamber is located inside the drum body; one end of the air inlet pipe is installed on the top of the inlet desorption chamber and is connected to the inlet desorption chamber, and the other end of the air inlet pipe extends from the top of the drum body and is bent to extend radially; the outlet desorption chamber is arranged outside the drum body; one end of the air outlet pipe is connected to the outlet desorption chamber, and the other end is connected to an external reactor.

2. A VOCs vertical adsorption flow drum according to claim 1, characterized in that: The drum body includes a drum bottom plate, a drum top plate and a plurality of space partitions; the plurality of space partitions are arranged upright on the drum bottom plate in a circular array; gaps are left between each of the space partitions, and the gaps are used to set molecular sieves; the drum top plate is a disc structure, supported by a plurality of space partitions, and is erected above the drum bottom plate.

3. A VOCs vertical adsorption flow drum according to claim 1, characterized in that: A rotating bracket is provided at the center of the bottom of the drum body; the drum bottom plate at the bottom of the drum body is a chain plate; the drum body is arranged on a base plate through the rotating bracket; a driving wheel mechanism and a plurality of rollers are also provided on the base plate; three rollers are fixed on the base plate, can hold the drum body and support the rotation of the drum body; the driving wheel mechanism cooperates with the chain plate to drive the drum body to rotate.

4. A VOCs vertical adsorption flow drum according to claim 1, characterized in that: The molecular sieve is a honeycomb structure zeolite molecular sieve.

5. The VOCs vertical adsorption flow drum according to claim 1, characterized in that: The inlet desorption chamber and the outlet desorption chamber are both provided with an arc-shaped hanging plate on one side close to the drum body; the arc-shaped hanging plate cooperates with the side wall of the drum body to enable the inlet desorption chamber and the outlet desorption chamber to be movably hung on the drum body without affecting the rotation of the drum body.

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