RCO catalytic bed

Abstract

The utility model discloses an RCO catalytic bed which belongs to the technical field of catalytic beds and comprises a reaction bin, an air inlet pipe is arranged on the outer side of the reaction bin and is of an S-shaped structure, two communicating pipes are arranged at the top of the reaction bin, the tops of the two communicating pipes are communicated with a heat storage reaction bin, the heat storage reaction bin is communicated with an air outlet bent pipe, and the air outlet bent pipe is communicated with an air inlet pipe. A heating pipe is communicated to the gas outlet elbow, a heat recovery box is arranged on one side of the reaction bin, the heating pipe penetrates through the heat recovery box, a filtering water tank is communicated to the tail end of the heating pipe, and heaters are arranged on the reaction bin and the heat storage reaction bin and used for heating the interiors of the reaction bin and the heat storage reaction bin. Heat in the heat recovery box is conducted and recovered through the heating pipe, the heat recovery box can be divided into a plurality of storage areas through the supporting plates, and catalyst materials to be used are stored and preheated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to catalytic bed technical field, and specifically, relate to a RCO catalytic bed. BACKGROUND

[0002] The RCO catalytic combustion bed is realized to the complete combustion oxidation of organic matter in waste gas under the help of catalyst at low temperature (200~400°C), and is simple and safe to operate, and has high purification efficiency, and is widely applied in organic waste gas, especially the organic waste gas with little recovery value, such as chemical industry, paint spraying, insulating material, enameled wire and paint production industry.In the process of catalytic combustion, the waste gas to be catalyzed needs to be heated continuously to meet the adjustment of catalysis, and the current equipment is directly discharged after the waste gas is treated by catalytic combustion, and the heat contained in the waste gas is also directly discharged and wasted.

[0003] Publication (announcement) No. CN110220207A discloses a RCO catalytic bed, which comprises a reaction box, a first partition layer and a second partition layer are sequentially arranged in the reaction box from top to bottom, so that a reaction chamber, an air inlet chamber and an air outlet chamber are sequentially formed in the reaction box from top to bottom; a square tube loop device is connected between the first partition layer and the second partition layer, the square tube loop device is formed by a plurality of hollow square tube arrays, and the hollow cavities of the hollow square tubes are communicated with the reaction chamber and the air outlet chamber; a plurality of groups of heating reaction devices are arranged in the reaction chamber and arranged oppositely in the up-down direction, the heating reaction device comprises a heating layer and a catalyst bed layer arranged on the lower side of the heating layer, a plurality of groups of the heating reaction devices and the outer side of the upper end of the square tube loop device are provided with a baffle; the first partition layer part outside the baffle is provided with a ventilation hole.

[0004] The existing RCO catalytic bed can treat waste gas by high-temperature heating, but the high-temperature waste heat cannot be reasonably utilized, resulting in waste of heat energy.

[0005] To solve the above problems, the RCO catalytic bed is provided in the application. UTILITY MODEL CONTENTS

[0006] In view of the problems in the related art, the utility model provides a RCO catalytic bed to overcome the above technical problems existing in the prior art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a RCO catalytic bed, including the reaction bin, the outside of reaction bin is equipped with the air inlet pipe, the air inlet pipe is S type structure, the top of reaction bin is equipped with two communicating pipes, the top of two communicating pipes is connected with the heat storage reaction bin, the heat storage reaction bin is connected with the air outlet elbow pipe, the air outlet elbow pipe is connected with the heating pipe, one side of reaction bin is equipped with the heat recovery tank, the heating pipe penetrates heat recovery tank, the tail end of heating pipe is connected with the filter water tank, and the filter water tank is provided with the external thread exhaust pipe, and the external thread exhaust pipe is provided with the filter mechanism.

[0009] Preferably, the filter mechanism includes an internally threaded cover having a plurality of exhaust holes formed therein, the internally threaded cover having an internal thread configured to mate with the external thread exhaust pipe, and the internally threaded cover having an activated carbon adsorption net, a filter screen and dry cotton disposed therein, the activated carbon adsorption net, the filter screen and the dry cotton being located at the mouth of the external thread exhaust pipe.

[0010] The exhaust gas is dried by the activated carbon adsorption net, the filter screen and the dry cotton, the dust is filtered by the filter screen, the odor is adsorbed by the activated carbon adsorption net, and then the exhaust gas is discharged through the exhaust holes of the internally threaded cover, thereby avoiding pollution to the environment.

[0011] Preferably, the heating pipe is located in the rear inner wall of the heat recovery tank and is curvedly arranged.

[0012] The waste heat of the heat storage reaction bin enters the heating pipe through the air outlet elbow pipe, and the heat recovery tank is heat-conducted by the heating pipe, thereby achieving the purpose of preheating.

[0013] Preferably, the top of the filter water tank is provided with a water inlet, and the bottom side of the filter water tank is provided with a blowdown pipe.

[0014] The cooling water can be added to the inside of the filter water tank through the water inlet, the heat gas can be cooled, and the cooling water used for multiple times can be discharged through the blowdown pipe.

[0015] Preferably, a plurality of support bars are fixedly installed on the inner walls of the two sides of the heat recovery tank, notches are formed in the inner sides of the plurality of support bars, a plurality of preheating plates are arranged in the heat recovery tank, and the two sides of the preheating plates are slidably connected with the inner walls of the two notches in the horizontal direction.

[0016] The two support bars located on the same horizontal axis are used for supporting the preheating plates.

[0017] Preferably, a plurality of communication air holes are formed in the preheating plates, and a handle is arranged on the top of the preheating plates.

[0018] The heat recovery box is divided into multiple storage areas by multiple preheating plates, multiple communication air holes are arranged to enable the multiple storage areas to be communicated, and a handle can facilitate operation of the preheating plates.

[0019] Preferably, the front of the heat recovery box is symmetrically rotatably provided with two box covers.

[0020] The heat recovery box can be closed by the two box covers.

[0021] In summary, the technical effects and advantages of the heat recovery box are as follows:

[0022] The waste heat of the storage reaction bin enters the heating pipe through the gas outlet elbow, heat conduction is performed on the inside of the heat recovery box by the heating pipe, the material can be preheated, heat can be recovered, and the water inlet can add cooling water to the inside of the filter water tank to cool the heat gas.

[0023] The two support strips located on the same horizontal axis are used for supporting the preheating plates, the multiple preheating plates divide the heat recovery box into multiple storage areas, multiple communication air holes are arranged to enable the multiple storage areas to be communicated, and a handle can facilitate push-pull operation of the preheating plates.

[0024] The discharged gas is dried by the activated carbon adsorption net, the filter net and the drying cotton, dust is filtered by the filter net, odors are adsorbed by the activated carbon adsorption net, and then are discharged through the exhaust hole in the internal thread cover, so that pollution to the environment is avoided.

[0025] The heat recovery box can be divided into multiple storage areas by multiple support plates, the catalyst material to be used is stored and preheated, tail gas can be filtered and treated, and pollution to the environment is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic view of the utility model;

[0027] Figure 2 It is a whole structure schematic view of the utility model Figure 1 It is a side view structure schematic view of the utility model with the box cover removed;

[0028] Figure 3 It is a bottom view structure schematic view of the utility model Figure 2 ; It is a bottom view structure schematic view of the utility model

[0029] Figure 4 It is a heat storage reaction bin, a gas outlet elbow and a gas outlet elbow structure schematic view of the utility model;

[0030] Figure 5The utility model discloses a reaction bin and two communicating pipe structure schematic view.

[0031] Figure 6 The utility model discloses a filter mechanism structure schematic view.

[0032] In the drawing,

[0033] 1, reaction bin;2, inlet pipe;3, heat storage reaction bin;4, communicating pipe;6, outlet elbow;7, heating pipe;8, heat recovery tank;9, filter water tank;10, water inlet;11, blowdown pipe;12, support strip;13, notch;14, preheating plate;15, communicating air hole;16, handle;17, tank cover;18, filter mechanism;181, internal thread cover;182, exhaust hole;183, internal thread;184, activated carbon adsorption net;185, filter screen;186, dry cotton;19, external thread exhaust pipe. Specific embodiments

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments.

[0035] Referring to Figures 1-6 A RCO catalytic bed, including reaction bin 1, the outside of reaction bin 1 is provided with inlet pipe 2, inlet pipe 2 is S type structure, the top of reaction bin 1 is provided with two communicating pipes 4, two communicating pipes 4 top are communicated with heat storage reaction bin 3, heat storage reaction bin 3 are communicated with outlet elbow 6 on, outlet elbow 6 are communicated with heating pipe 7 on, the side of reaction bin 1 is provided with heat recovery tank 8, heating pipe 7 penetrates heat recovery tank 8, the tail end of heating pipe 7 is communicated with filter water tank 9, reaction bin 1 and heat storage reaction bin 3 are all provided with heater, for heating the inside of reaction bin 1 and heat storage reaction bin 3, the top of filter water tank 9 is provided with external thread exhaust pipe 19, and external thread exhaust pipe 19 is provided with filter mechanism 18.

[0036] Referring to Figure 6In the embodiment, the filtering mechanism 18 comprises an internally threaded cover 181, a plurality of exhaust holes 182 are formed on the internally threaded cover 181, an internal thread 183 is arranged in the internally threaded cover 181 and matched with the externally threaded exhaust pipe 19, an activated carbon adsorption net 184, a filtering net 185 and dry cotton 186 are arranged in the internally threaded cover 181, the activated carbon adsorption net 184, the filtering net 185 and the dry cotton 186 are all located at the pipe opening of the externally threaded exhaust pipe 19, the exhaust gas is dried through the activated carbon adsorption net 184, the filtering net 185 and the dry cotton 186, the dust is filtered through the filtering net 185, the peculiar smell is adsorbed through the activated carbon adsorption net 184, and then is discharged through the exhaust holes 182 on the internally threaded cover 181, so as to avoid pollution to the environment.

[0037] With reference to Figure 4 In the embodiment, the heating pipe 7 is arranged in the rear inner wall of the heat recovery box 8 and is in a curved shape.

[0038] The waste heat of the storage bin 3 enters the heating pipe 7 through the exhaust elbow 6, the heat recovery box 8 is heat-conducted through the heating pipe 7, and the preheating purpose is achieved.

[0039] With reference to Figure 2 In the embodiment, the top of the filtering water tank 9 is provided with a water inlet 10, and the bottom side of the filtering water tank 9 is provided with a sewage pipe 11.

[0040] The cooling water can be added into the filtering water tank 9 through the water inlet 10, the heat gas can be cooled, and the cooling water used for multiple times can be discharged through the sewage pipe 11.

[0041] With reference to Figure 2 and Figure 3 In the embodiment, a plurality of support strips 12 are fixedly installed on the inner walls of the two sides of the heat recovery box 8, notches 13 are formed on the inner sides of the plurality of support strips 12, a plurality of preheating plates 14 are arranged in the heat recovery box 8, and the two sides of the preheating plates 14 are in sliding connection with the inner walls of the two notches 13.

[0042] The two support strips 12 located on the same horizontal axis are used for supporting the preheating plates 14.

[0043] With reference to Figure 2 In the embodiment, a plurality of communication air holes 15 are formed on the preheating plates 14, and a handle 16 is arranged on the top of the preheating plates 14.

[0044] The heat recovery box 8 is divided into a plurality of storage areas through the plurality of preheating plates 14, the plurality of communication air holes 15 are arranged to make the plurality of storage areas be in communication, and the handle 16 can facilitate the push-pull operation of the preheating plates 14.

[0045] With reference toFigure 1 In the embodiment, two box covers 17 are symmetrically and rotatably installed on the front of the heat recovery box 8, and the heat recovery box 8 can be closed through the two box covers 17.

[0046] Working principle, the waste heat of the storage reaction bin 3 enters the heating pipe 7 through the gas outlet elbow 6, and the heat conduction is carried out in the heat recovery box 8 through the heating pipe 7, the catalyst to be used is put into the heat recovery box 8, the catalyst to be used can be preheated, the water inlet 10 can add cooling water into the filter water tank 9, the heat gas can be cooled, the multiple use cooling water can be discharged through the blowdown pipe 11, the two support strips 12 located on the same horizontal axis are used to support the preheating plate 14, the multiple communication air holes 15 divide the heat recovery box 8 into multiple storage areas, the multiple storage areas can be communicated, the preheating plate 14 can be conveniently operated through the handle 16, the heat recovery box 8 can be closed through the two box covers 17, the discharged gas is dried through the activated carbon adsorption net 184, the filter screen 185 and the drying cotton 186, the dust is filtered through the filter screen 185, the peculiar smell is adsorbed through the activated carbon adsorption net 184, and then is discharged through the exhaust hole 182 on the internal thread cover 181, so that pollution to the environment is avoided.

[0047] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An RCO catalytic bed comprising a reaction chamber (1), the outer side of the reaction chamber (1) is provided with a gas inlet pipe (2), characterized in that, The air inlet pipe (2) is of S-shaped structure, the top of the reaction bin (1) is provided with two communicating pipes (4), the top of the two communicating pipes (4) is communicated with a heat storage reaction bin (3), the heat storage reaction bin (3) is communicated with an air outlet elbow (6), the air outlet elbow (6) is communicated with a heating pipe (7), one side of the reaction bin (1) is provided with a heat recovery tank (8), the heating pipe (7) penetrates the heat recovery tank (8), the tail end of the heating pipe (7) is communicated with a filtered water tank (9), the reaction bin (1) and the heat storage reaction bin (3) are both provided with a heater, the top of the filtered water tank (9) is provided with an externally-threaded exhaust pipe (19), the externally-threaded exhaust pipe (19) is provided with a filtering mechanism (18).

2. The RCO catalytic bed of claim 1, wherein, The filtering mechanism (18) comprises an internally-threaded cover (181), a plurality of exhaust holes (182) are formed in the internally-threaded cover (181), an internally-threaded hole (183) is arranged in the internally-threaded cover (181) and matched with the externally-threaded exhaust pipe (19), an activated carbon adsorption net (184), a filter screen (185) and dry cotton (186) are arranged in the internally-threaded cover (181), and the activated carbon adsorption net (184), the filter screen (185) and the dry cotton (186) are all located at the pipe opening of the externally-threaded exhaust pipe (19).

3. The RCO catalytic bed of claim 1, wherein, The heating pipe (7) is arranged on the rear inner wall of the heat recovery tank (8) and is of curved shape, the top of the filtered water tank (9) is provided with a water inlet (10), and the bottom side of the filtered water tank (9) is provided with a blowdown pipe (11).

4. The RCO catalytic bed of claim 1, wherein, A plurality of support strips (12) are fixedly installed on the inner walls of the two sides of the heat recovery tank (8), notches (13) are formed in the inner sides of the plurality of support strips (12), a plurality of preheating plates (14) are arranged in the heat recovery tank (8), and the two sides of the preheating plates (14) are slidably connected with the inner walls of the two notches (13).

5. The RCO catalytic bed of claim 4, wherein, A plurality of communicating air holes (15) are formed in the preheating plates (14).

6. The RCO catalytic bed of claim 1, wherein, A handle (16) is arranged on the top of the preheating plates (14).

7. The RCO catalytic bed of claim 1, wherein, Two tank covers (17) are symmetrically and rotatably installed on the front of the heat recovery tank (8).

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