Waste gas treatment all-in-one machine

Abstract

The utility model discloses a waste gas treatment all-in-one machine, which relates to the technical field of waste gas treatment and is used for solving the problems in the prior art, the waste gas treatment all-in-one machine comprises a machine case, the machine case comprises an air inlet cavity, an air duct cavity and an adsorption cavity, and the machine case is provided with a catalytic combustion furnace, an exhaust fan and a desorption fan. An air inlet pipe is arranged at the top of the air inlet cavity, a dry filter is arranged in the air inlet cavity, the air inlet cavity is communicated with the air duct cavity, the adsorption cavity is located at the bottom of the air duct cavity, an adsorption valve is arranged between the adsorption cavity and the air duct cavity, a first valve is arranged in the adsorption cavity, and the exhaust fan is communicated with the adsorption cavity; the equipment is highly integrated, so that the occupied area is saved; the equipment is integrally designed, so that the field installation period and cost are saved; the valve, the instrument, the pipeline and the like are arranged in the equipment, the rainproof and dustproof effects are achieved, the service life is prolonged, and good practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to an integrated waste gas treatment machine. Background Art

[0002] The waste gas treatment system is a common industrial waste gas treatment technology at present. The current screen printing and drying waste gas needs to be filtered by the waste gas treatment system before being discharged.

[0003] Although the current waste gas treatment system can carry out waste gas filtration treatment, generally its integration degree is low, it occupies a large area, and it needs to be installed on site during use. The installation period is long and the installation cost is high. Many valves, instruments, and pipelines after installation are directly exposed to the external environment, and their service life cannot be guaranteed. There are various problems above and it needs to be improved.

[0004] Therefore, in view of the deficiencies of the above solutions in actual production and implementation, they are corrected and improved. At the same time, in the spirit of pursuing excellence and with the assistance of professional knowledge and experience, and after various ingenious ideas and tests, an integrated waste gas treatment machine is provided specifically to solve the above problems existing in the prior art.

[0005] The louvered air outlet is an air distributor, mainly used to circulate air. Summary of the Utility Model

[0006] The purpose of the utility model is to provide an integrated waste gas treatment machine to solve the technical problems existing in the prior art.

[0007] The technical solution of the utility model is realized as follows:

[0008] The integrated waste gas treatment machine includes a chassis. The chassis includes an air inlet chamber, an air duct chamber and an adsorption chamber. The chassis is provided with a catalytic combustion furnace, an exhaust fan and a desorption fan. The top of the air inlet chamber is provided with an air inlet pipe. A dry filter is arranged in the air inlet chamber. The air inlet chamber is communicated with the air duct chamber. The adsorption chamber is located at the bottom of the air duct chamber. An adsorption valve is arranged between the adsorption chamber and the air duct chamber. A first valve is arranged in the adsorption chamber. The exhaust fan is communicated with the adsorption chamber;

[0009] The bottom of the adsorption chamber is communicated with the desorption fan through a first pipeline. The desorption fan is communicated with the catalytic combustion furnace through a second pipeline. The catalytic combustion furnace is communicated with a third pipeline. The third pipeline is communicated with the top of the adsorption chamber. A second valve is arranged at the connection of the third pipeline and the adsorption chamber.

[0010] As a preferred embodiment, a partition is arranged in the air inlet chamber. The partition divides the air inlet chamber into a first pretreatment chamber and a second pretreatment chamber. The dry filter is arranged on the partition.

[0011] As a preferred embodiment, the intake pipe is arranged at the top of the first pretreatment chamber, and the top of the second pretreatment chamber is communicated with the air duct chamber.

[0012] As a preferred embodiment, the adsorption chamber includes two activated carbon adsorption boxes arranged side by side in the horizontal direction.

[0013] The activated carbon adsorption box is filled with honeycomb activated carbon adsorption material.

[0014] As a preferred embodiment, the catalytic combustion furnace includes an electric heater and a catalytic combustion chamber, and the electric heater and the catalytic combustion chamber are arranged side by side.

[0015] As a preferred embodiment, a stop valve, a mixing air ratio regulating valve and a fresh air valve are arranged on the third pipeline.

[0016] As a preferred embodiment, a bottom valve is arranged at the top position of the first pipeline.

[0017] As a preferred embodiment, a plurality of louver air vents are arranged on the machine case.

[0018] For this waste gas treatment all-in-one machine, the process route adopts dry filtration + activated carbon adsorption + catalytic combustion.

[0019] The adsorption air enters from the intake pipe, passes through the dry filter and the activated carbon adsorption box for filtration and adsorption, and finally enters the exhaust fan for exhaust.

[0020] During desorption, high-temperature gas is used to desorb the waste gas in the activated carbon, and then it enters the catalytic combustion furnace for catalytic combustion. After combustion, part of the high-temperature gas is used for activated carbon desorption, and part is discharged.

[0021] When the adsorption air flows normally, it passes through the first valve and the second valve is closed;

[0022] When the activated carbon is saturated and needs to be desorbed, the first valve is closed and the second valve is opened during desorption.

[0023] The beneficial effects of the present utility model are as follows:

[0024] 1. The equipment is highly integrated, saving floor space.

[0025] 2. The equipment is integrally designed, saving the on-site installation cycle and cost.

[0026] 3. Valves, instruments, pipelines, etc. are arranged inside the equipment, which has the effects of rain and dust protection and increases its service life.

[0027] Therefore, the utility model has good practicability, obvious advantages compared with the prior art, and solves the problems existing in the prior art, such as low integration level, on-site assembly required, and unguaranteed service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0029] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;

[0030] Figure 2 is a schematic diagram of the partial internal structure of an embodiment of the present utility model Figure 1 ;

[0031] Figure 3 is a schematic diagram of the partial internal structure of an embodiment of the present utility model Figure 2 ;

[0032] Figure 4 is a schematic diagram of the partial internal structure of an embodiment of the present utility model Figure 3 ;

[0033] Figure 5 is a schematic diagram of the partial internal structure of an embodiment of the present utility model Figure 4 ;

[0034] Figure 6 is a schematic diagram of the partial internal structure of an embodiment of the present utility model Figure 5 。

[0035] In the figure, 1 - chassis; 2 - intake pipe; 3 - activated carbon adsorption box; 4 - catalytic combustion furnace; 5 - louver air outlet; 6 - dry filter; 7 - catalytic combustion chamber; 8 - desorption fan; 9 - electric heater; 10 - exhaust fan; 11 - second pipeline; 12 - stop valve; 13 - third pipeline; 14 - air duct cavity; 15 - adsorption valve; 16 - mixing ratio regulating valve; 17 - fresh air valve; 18 - second valve; 19 - adsorption cavity; 20 - second pretreatment cavity; 21 - partition board; 22 - first pretreatment cavity; 23 - intake cavity; 24 - first valve; 25 - bottom valve; 26 - first pipeline. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments.

[0037] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If this specific posture changes, the directional indications will also change accordingly.

[0038] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature.

[0039] In the description of the embodiments, unless otherwise clearly specified and limited, terms such as "set", "connected", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or connected through an intermediate medium, or there may also be a connection inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0040] As Figures 1 to 6 shown, the integrated waste gas treatment machine includes a chassis 1. The chassis 1 includes an air inlet chamber 23, an air duct chamber 14, and an adsorption chamber 19. The chassis 1 is provided with a catalytic combustion furnace 4, an exhaust fan 10, and a desorption fan 8. A gas inlet pipe 2 is provided at the top of the air inlet chamber 23. A dry filter 6 is provided in the air inlet chamber 23. The air inlet chamber 23 is communicated with the air duct chamber 14. The adsorption chamber 19 is located at the bottom of the air duct chamber 14. An adsorption valve 15 is provided between the adsorption chamber 19 and the air duct chamber 14. A first valve 24 is provided in the adsorption chamber 19. The exhaust fan 10 is communicated with the adsorption chamber 19;

[0041] The bottom of the adsorption chamber 19 is communicated with the desorption fan 8 through a first pipeline 26. The desorption fan 8 is communicated with the catalytic combustion furnace 4 through a second pipeline 11. The catalytic combustion furnace 4 is communicated with a third pipeline 13. The third pipeline 13 is communicated with the top of the adsorption chamber 19. A second valve 18 is provided at the connection between the third pipeline 13 and the adsorption chamber 19.

[0042] Since there are many components in the chassis 1 of this integrated machine, Figures 2 - 5 it is shown from different angles to facilitate understanding.

[0043] A partition 21 is provided in the air inlet chamber 23. The partition 21 divides the air inlet chamber 23 into a first pretreatment chamber 22 and a second pretreatment chamber 20. The dry filter 6 is provided on the partition 21.

[0044] The intake pipe 2 is arranged at the top of the first pretreatment chamber 22, and the top of the second pretreatment chamber 20 is connected to the air duct chamber 14.

[0045] The adsorption chamber 19 includes two activated carbon adsorption boxes 3 arranged side by side in the horizontal direction.

[0046] There is honeycomb activated carbon adsorption material in the activated carbon adsorption box 3.

[0047] The catalytic combustion furnace 4 includes an electric heater 9 and a catalytic combustion chamber 7, and the electric heater 9 is arranged side by side with the catalytic combustion type.

[0048] A stop valve 12, a mixed air ratio regulating valve 16 and a fresh air valve 17 are arranged on the third pipeline 13.

[0049] A bottom valve 25 is arranged at the top position of the first pipeline 26.

[0050] A plurality of louver air vents 5 are arranged on the chassis 1.

[0051] For this waste gas treatment all-in-one machine, the process route adopts dry filtration + activated carbon adsorption + catalytic combustion.

[0052] The adsorption air enters from the intake pipe 2, passes through the dry filter 6 and the activated carbon adsorption box 3 for filtration and adsorption, and finally enters the exhaust fan for exhaust.

[0053] During desorption, high-temperature gas is used to desorb the waste gas in the activated carbon, and then it enters the catalytic combustion furnace 4 for catalytic combustion. For the high-temperature gas after combustion, part of it is used for activated carbon desorption, and part of it is discharged.

[0054] When the adsorption air flows normally, it passes through the first valve 24 and the second valve 18 is closed;

[0055] When the activated carbon is saturated and needs to be desorbed, during desorption, the first valve 24 is closed and the second valve 18 is opened.

[0056] During normal operation, a brief description of the system process of the present utility model (activated carbon adsorption concentration + catalytic oxidation integrated device):

[0057] (1) The screen printing and drying waste gas generated at the customer site is first collected into the waste gas collection pipeline in an organized manner, and then enters this device. Through two-stage filtration, particles and other impurities in the air are further removed to ensure the purification efficiency and service life of the honeycomb activated carbon adsorption material.

[0058] (2) Under the variable frequency control of the desorption fan 8, the waste gas after multi-stage filtration enters the activated carbon adsorber for adsorption treatment, and the adsorption purification efficiency > 90%; the gas after adsorption purification and part of the gas purified by the catalytic combustion device are discharged into the atmosphere together from the chimney.

[0059] (3) The organic matter adsorbed in the honeycomb activated carbon material is desorbed by using the high-temperature gas after mixed heating. After the desorption is completed, the carbon bed is cooled down.

[0060] (4) The high-concentration waste gas after desorption from the activated carbon adsorber enters the catalytic combustion device. After the waste gas is preheated to the catalytic reaction temperature through a heat exchanger or preheating, it then enters the catalytic oxidation bed to undergo an oxidation reaction. The high-temperature flue gas after the reaction flows through the heat exchanger, exchanges heat with the gas entering the catalytic bed, and then is partially discharged to the chimney.

[0061] The beneficial effects of the present utility model are as follows:

[0062] 1. The equipment is highly integrated, saving floor space.

[0063] 2. The equipment is integrally designed, saving the on-site installation cycle and cost.

[0064] 3. Valves, instruments, pipelines, etc. are arranged inside the equipment, having the effects of rain and dust protection, and increasing their service life.

[0065] Therefore, the present utility model has good practicability, has obvious advantages compared with the prior art, and solves the problems existing in the prior art such as low integration level, on-site assembly required, and inability to guarantee the service life.

[0066] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement; when the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

Claims

1. Integrated waste gas treatment machine, characterized in that, It includes a chassis, and the chassis includes an intake cavity, a duct cavity and an adsorption cavity. The chassis is provided with a catalytic combustion furnace, an exhaust fan and a desorption fan. An intake pipe is arranged at the top of the intake cavity. A dry filter is arranged in the intake cavity. The intake cavity is communicated with the duct cavity. The adsorption cavity is located at the bottom of the duct cavity. An adsorption valve is arranged between the adsorption cavity and the duct cavity. A first valve is arranged in the adsorption cavity. The exhaust fan is communicated with the adsorption cavity; The bottom of the adsorption cavity is communicated with the desorption fan through a first pipeline. The desorption fan is communicated with the catalytic combustion furnace through a second pipeline. The catalytic combustion furnace is communicated with a third pipeline. The third pipeline is communicated with the top of the adsorption cavity. A second valve is arranged at the connection of the third pipeline and the adsorption cavity.

2. The integrated waste gas treatment machine according to claim 1, wherein, A partition is arranged in the intake cavity, and the partition divides the intake cavity into a first pretreatment cavity and a second pretreatment cavity. The dry filter is arranged on the partition.

3. The integrated waste gas treatment machine according to claim 2, wherein The intake pipe is arranged at the top of the first pretreatment cavity. The top of the second pretreatment cavity is communicated with the duct cavity.

4. The integrated waste gas treatment machine according to claim 1, wherein, The adsorption cavity includes two activated carbon adsorption boxes arranged side by side in the horizontal direction.

5. The integrated waste gas treatment device according to claim 1, characterized in that The catalytic combustion furnace includes an electric heater and a catalytic combustion chamber, and the electric heater and the catalytic combustion chamber are arranged side by side.

6. The integrated waste gas treatment apparatus according to claim 1, wherein, A stop valve, a mixing ratio regulating valve and a fresh air valve are arranged on the third pipeline.

7. The integrated waste gas treatment machine according to claim 1, wherein, A bottom valve is arranged at the top position of the first pipeline.

8. The integrated waste gas treatment machine according to claim 1, characterized in that A plurality of louver air vents are arranged on the chassis.

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