CN214840889U

CN214840889U - Active carbon adsorption desorption RCO catalytic combustion equipment

Info

Publication number: CN214840889U
Application number: CN202120841863.7U
Authority: CN
Inventors: 任刚
Original assignee: Beijing Zhongao Yuanhua Environmental Protection Equipment Co ltd
Current assignee: Beijing Zhongao Yuanhua Environmental Protection Equipment Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-23
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses an active carbon adsorption desorption RCO catalytic combustion equipment, including leading filter equipment, mounting bracket and catalytic combustion bed, the top fixed mounting of mounting bracket has fixed adsorption bed, fixed adsorption bed's bottom is through fixed pipe and leading filter equipment switch-on No. one, fixed adsorption bed's rear surface just is close to the top position and has main exhaust fan through the switch-on of No. three fixed pipes, main exhaust fan's export has exhaust duct through the pipeline switch-on, exhaust duct and catalytic combustion bed switch-on. The utility model discloses, through the cooperation between fixed adsorption bed, catalytic combustion bed, desorption fan and the heat exchanger etc, with the organic waste gas of low concentration through the active carbon in the fixed adsorption bed with its organic waste gas rethread catalytic combustion bed of concentration high concentration with its thorough purification, improved the purification rate greatly, also realized thermal recycle simultaneously, practiced thrift the energy, the experience of product is felt better.

Description

Active carbon adsorption desorption RCO catalytic combustion equipment

Technical Field

The utility model belongs to the technical field of combustion apparatus technique and specifically relates to an active carbon adsorption desorption RCO catalytic combustion equipment is related to.

Background

Organic waste gas pollutants are various in types and different in characteristics, so correspondingly adopted treatment methods are different, and the common treatment methods are as follows: condensation, absorption, combustion, catalysis, adsorption, and the like; in recent years, new process technologies have been developed abroad: biological methods, membrane separation methods, and the like.

The existing part of activated carbon adsorption and desorption RCO catalytic combustion equipment is fixed in structure, the utilization rate of energy is low, the purification rate is to be improved, and certain use limitation exists. In view of this, research and improvement are carried out to solve the existing problems, and an activated carbon adsorption and desorption RCO catalytic combustion device capable of effectively solving the problems is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an active carbon adsorption and desorption RCO catalytic combustion device.

The utility model provides a scheme as follows of above-mentioned technical problem: the RCO catalytic combustion equipment comprises a pre-filter device, a mounting frame and a catalytic combustion bed, wherein a fixed adsorption bed is fixedly mounted at the top of the mounting frame, the bottom of the fixed adsorption bed is communicated with the pre-filter device through a first fixed pipe, a main exhaust fan is communicated at the position, close to the top, of the rear surface of the fixed adsorption bed through a third fixed pipe, the outlet of the main exhaust fan is communicated with an exhaust pipeline through a pipeline, and the exhaust pipeline is communicated with the catalytic combustion bed;

the top of fixed adsorption bed is led to through No. two fixed tubes and is had the desorption fan, the export of desorption fan passes through the pipeline and corresponds the switch-on with catalytic combustion bed, the lateral wall that catalytic combustion bed is close to the mounting bracket passes through pipeline fixedly connected with air supplement fan, pipeline fixedly connected with heat exchanger is passed through in the export of air supplement fan, the one end of heat exchanger is passed through the pipeline and corresponds the switch-on with exhaust duct, the other end of heat exchanger corresponds the switch-on through No. four fixed tubes and fixed adsorption bed's bottom.

Further:

the catalytic combustion bed is characterized in that a precious metal catalyst is arranged inside the catalytic combustion bed, a honeycomb carrier is arranged inside the catalytic combustion bed, and a plurality of layers of honeycomb activated carbon are arranged inside the fixed adsorption bed.

Further:

and rock wool layers are fixedly arranged on the outer surfaces of the catalytic combustion bed and the fixed adsorption bed.

Further:

in order to realize the purpose of prefiltration, leading filter equipment includes the install bin, the top fixed mounting of install bin has the differential pressure gauge, the inner wall fixedly connected with active carbon filter layer and a plurality of melt-blown cotton filter layer charcoal of install bin.

Further:

in order to realize the purpose of being convenient for open the fixed adsorption bed, the front surface of the fixed adsorption bed is rotationally connected with a movable door through a hinge, and the front surface of the movable door is fixedly provided with a door handle.

The utility model discloses following beneficial effect has:

1. the utility model discloses, through the cooperation between fixed adsorption bed, catalytic combustion bed, desorption fan and the heat exchanger etc, with the organic waste gas of low concentration through the active carbon in the fixed adsorption bed with its concentration organic waste gas rethread catalytic combustion bed of high concentration with its thorough purification, improved the purification rate greatly, also realized thermal recycle simultaneously, practiced thrift the energy, the experience of product is felt better, and the practicality is higher.

2. The utility model discloses, through the cooperation between leading filter equipment and a fixed pipe etc, the miscellaneous material of dirt in the waste gas is got rid of to high efficiency to ensure that the dirt that contains in the waste gas is miscellaneous and is obtained effectual interception before getting into fixed adsorption bed and filter, also be convenient for change the active carbon in the fixed adsorption bed through dodge gate and door handle simultaneously, satisfied more demands in the in-service use, the suitability is stronger.

Drawings

Fig. 1 is a schematic view of the overall structure of the activated carbon adsorption and desorption RCO catalytic combustion device provided by the present invention;

fig. 2 is a top view of a fixed adsorption bed and a third fixed tube of the activated carbon adsorption and desorption RCO catalytic combustion device provided by the present invention;

fig. 3 is the utility model provides an active carbon adsorption desorption RCO catalytic combustion equipment's leading filter equipment schematic structure.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a pre-filter device; 2. a mounting frame; 3. a catalytic combustion bed; 4. an exhaust duct; 5. fixing the adsorption bed; 6. a first fixed tube; 7. a second fixed tube; 8. a desorption fan; 9. a main exhaust fan; 10. a third fixed tube; 11. a wind supplementing fan; 12. a heat exchanger; 13. a fourth fixed tube; 14. a movable door; 15. a door handle; 101. installing a box; 102. an activated carbon filter layer; 103. melt-blown cotton filter layer; 104. a differential pressure gauge.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the illustrated examples are only used for explaining the present invention, but not for limiting the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides an active carbon adsorption desorption RCO catalytic combustion equipment: the device comprises a pre-filtering device 1, a mounting frame 2 and a catalytic combustion bed 3, wherein a fixed adsorption bed 5 is fixedly mounted at the top of the mounting frame 2, the bottom of the fixed adsorption bed 5 is communicated with the pre-filtering device 1 through a first fixed pipe 6, a main exhaust fan 9 is communicated with the position, close to the top, of the rear surface of the fixed adsorption bed 5 through a third fixed pipe 10, the outlet of the main exhaust fan 9 is communicated with an exhaust pipeline 4 through a pipeline, and the exhaust pipeline 4 is communicated with the catalytic combustion bed 3;

the top of fixed adsorption bed 5 has desorption fan 8 through No. two fixed pipe 7 switchings, desorption fan 8's export corresponds the switch-on through pipeline and catalytic combustion bed 3, catalytic combustion bed 3 is close to the lateral wall of mounting bracket 2 and passes through pipeline fixedly connected with air supply fan 11, air supply fan 11's export passes through pipeline fixedly connected with heat exchanger 12, the one end of heat exchanger 12 passes through the pipeline and corresponds the switch-on with exhaust duct 4, the other end of heat exchanger 12 corresponds the switch-on through No. four fixed pipe 13 and fixed adsorption bed 5's bottom.

Wherein, the outer surfaces of the catalytic combustion bed 3 and the fixed adsorption bed 5 are both fixedly provided with rock wool layers. The rock wool layer that sets up has good thermal insulation performance.

Specifically, the front surface of the fixed adsorption bed 5 is rotatably connected with a movable door 14 through a hinge, and a door handle 15 is fixedly arranged on the front surface of the movable door 14. When in use, the movable door 14 is opened through the door handle 15, so that the activated carbon in the fixed adsorption bed 5 can be quickly replaced.

Specifically, a noble metal catalyst is arranged in the catalytic combustion bed 3, a honeycomb carrier is arranged in the catalytic combustion bed 3, and a plurality of layers of honeycomb activated carbon are arranged in the fixed adsorption bed 5. The front-mounted filtering device 1 comprises a mounting box 101, a differential pressure gauge 104 is fixedly mounted at the top of the mounting box 101, and an activated carbon filtering layer 102 and a plurality of melt-blown cotton filtering layers 103 are fixedly connected to the inner wall of the mounting box 101. The arranged differential pressure gauge 104 can remind of replacing the activated carbon filter layer 102 and the melt-blown cotton filter layer 103 inside in time; when in use, external waste gas is firstly led into the installation box 101 through a pipeline, and under the action of the activated carbon filter layer 102 and the melt-blown cotton filter layer 103, dust and impurity substances in the waste gas can be efficiently removed, so that the dust and impurity contained in the waste gas are effectively intercepted and filtered before entering the fixed adsorption bed 5; filtered waste gas enters a fixed adsorption bed 5 through a first fixed pipe 6, organic substances are trapped inside the fixed adsorption bed 5 by the specific acting force of activated carbon, clean gas is discharged into an exhaust pipeline 4 under the action of a third fixed pipe 10 and a main exhaust fan 9, after a period of time, adsorption is stopped when the activated carbon reaches a saturated state, and at the moment, organic substances are concentrated in the activated carbon; then the catalytic combustion bed 3 is started, heat enters into internal circulation, organic gas resolved from saturated activated carbon is sent into the catalytic combustion bed 3 through the action of a desorption fan 8 to react with a noble metal catalyst, so that the organic gas is decomposed into carbon dioxide and water,

the reaction formula is as follows:

the heat exchanger 12 is led to under the action of the air supply fan 11, hot air is guided to the fixed adsorption bed 5 to realize compensation heating under the action of the heat exchanger 12, and cold air is guided to the exhaust pipeline 4 to be discharged, so that energy is saved, the purification rate is greatly improved, and more requirements in actual use are met.

The utility model discloses a concrete theory of operation and application method do: when in use, external waste gas is firstly led into the installation box 101 through a pipeline, and under the action of the activated carbon filter layer 102 and the melt-blown cotton filter layer 103, dust and impurity substances in the waste gas can be efficiently removed, so that the dust and impurity contained in the waste gas are effectively intercepted and filtered before entering the fixed adsorption bed 5; filtered waste gas enters a fixed adsorption bed 5 through a first fixed pipe 6, organic substances are trapped inside the fixed adsorption bed 5 by the specific acting force of activated carbon, clean gas is discharged into an exhaust pipeline 4 under the action of a third fixed pipe 10 and a main exhaust fan 9, after a period of time, adsorption is stopped when the activated carbon reaches a saturated state, and at the moment, organic substances are concentrated in the activated carbon; then start catalytic combustion bed 3, the heat gets into the internal circulation, the organic gas of resolving out with saturated active carbon sends into catalytic combustion bed 3 through desorption fan 8 effect and reacts with noble metal catalyst, make organic gas decompose into carbon dioxide and water, lead to heat exchanger 12 under the effect of tonifying wind fan 11, under the effect of heat exchanger 12, steam is led to and realizes the compensation heating in fixed adsorption bed 5, air conditioning is discharged in the exhaust duct 4 of being led, the energy has both been saved, the purification rate has also been improved greatly, the experience of product feels better, the practicality is higher.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. Active carbon adsorption desorption RCO catalytic combustion equipment which is characterized in that: the catalytic combustion device comprises a front-mounted filtering device (1), a mounting rack (2) and a catalytic combustion bed (3), wherein a fixed adsorption bed (5) is fixedly mounted at the top of the mounting rack (2), the bottom of the fixed adsorption bed (5) is communicated with the front-mounted filtering device (1) through a first fixed pipe (6), a main exhaust fan (9) is communicated with the position, close to the top, of the rear surface of the fixed adsorption bed (5) through a third fixed pipe (10), an outlet of the main exhaust fan (9) is communicated with an exhaust pipeline (4) through a pipeline, and the exhaust pipeline (4) is communicated with the catalytic combustion bed (3);

the top of fixed adsorption bed (5) has desorption fan (8) through No. two fixed pipe (7) switch-ons, the export of desorption fan (8) is through the pipeline and catalytic combustion bed (3) correspond the switch-on, the lateral wall that catalytic combustion bed (3) are close to mounting bracket (2) is through pipeline fixedly connected with air supplement fan (11), the export of air supplement fan (11) is through pipeline fixedly connected with heat exchanger (12), the one end of heat exchanger (12) is through pipeline and exhaust duct (4) correspond the switch-on, the other end of heat exchanger (12) corresponds the switch-on through No. four fixed pipe (13) and the bottom of fixed adsorption bed (5).

2. The activated carbon adsorption and desorption RCO catalytic combustion device according to claim 1, wherein: the catalytic combustion device is characterized in that a noble metal catalyst is arranged inside the catalytic combustion bed (3), a honeycomb carrier is arranged inside the catalytic combustion bed (3), and a plurality of layers of honeycomb activated carbon are arranged inside the fixed adsorption bed (5).

3. The activated carbon adsorption and desorption RCO catalytic combustion device according to claim 1, wherein: and rock wool layers are fixedly arranged on the outer surfaces of the catalytic combustion bed (3) and the fixed adsorption bed (5).

4. The activated carbon adsorption and desorption RCO catalytic combustion device according to claim 1, wherein: leading filter equipment (1) includes install bin (101), the top fixed mounting of install bin (101) has differential pressure gauge (104), the inner wall fixedly connected with active carbon filter layer (102) and a plurality of melt-blown cotton filter layer (103) of install bin (101).

5. The activated carbon adsorption and desorption RCO catalytic combustion device according to claim 1, wherein: the front surface of the fixed adsorption bed (5) is rotatably connected with a movable door (14) through a hinge, and the front surface of the movable door (14) is fixedly provided with a door handle (15).