RTO heat storage combustion equipment

Abstract

The utility model discloses RTO heat storage combustion equipment which comprises a filter calandria, a combustion box, a heat storage box, a fuel gas guide pipe, an annular pipe, a waste gas guide pipe, a round box, a fuel gas access pipe, a waste gas access pipe, a fairing and a spring. According to the utility model, the structure design is reasonable, the fairing and the spring are utilized to effectively adjust the available combustion space in the combustion box so as to cope with the change of a mixture of gas and waste gas with different concentrations, improve the sufficiency of combustion of the waste gas, solve the problem of insufficient combustion of harmful substances in the waste gas, and improve the combustion efficiency. The multiple heat storage boxes serve as mixing spaces of fuel gas and waste gas, the mixing sufficiency between the fuel gas and the waste gas is enhanced, the waste gas combustion treatment quality is improved, two thirds of the heat storage boxes are located in the combustion boxes, the waste gas and the fuel gas which are mixed together in the heat storage boxes can be preheated by means of heat of the combustion boxes, and the combustion efficiency is improved. Mixing of waste gas and fuel gas to reach the ignition point is accelerated.

Description

Technical Field

[0001] The utility model relates to RTO heat storage combustion equipment, belonging to the technical field of waste gas treatment equipment. Background Art

[0002] RTO heat storage combustion equipment is a highly efficient organic waste gas treatment equipment. Compared with traditional catalytic combustion and direct-fired thermal oxidation furnaces, it has the characteristics of high thermal efficiency, low operating cost, and the ability to treat large air volume and low-concentration waste gas. Its principle is to oxidize the organic matter (VOCS) in the waste gas into corresponding carbon dioxide and water at high temperature, thereby purifying the waste gas and recovering the heat released when the waste gas is decomposed. The RTO waste gas decomposition efficiency reaches more than 99%, and the heat recovery efficiency reaches more than 95%. The main structure of RTO consists of a combustion chamber, a heat storage chamber, and a switching valve.

[0003] The existing RTO heat storage combustion equipment cannot fully mix the exhaust gas and fuel gas before combustion, resulting in insufficient combustion of the exhaust gas and fuel gas entering the combustion chamber, making it easier to form larger particulate impurities and increase the incidence of pipe blockage. The fixed space specifications of the combustion chamber cannot cope with the entry of high-concentration exhaust gas to expand the combustion space, which is also one of the factors causing incomplete combustion of exhaust gas. Utility Model Content

[0004] The purpose of the utility model is to provide a RTO heat storage combustion device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: an RTO heat storage combustion device, including a filter exhaust pipe, a combustion box, a heat storage box, a gas conduit, an annular pipe, an exhaust gas conduit, a round box, a gas access pipe, an exhaust gas access pipe, a fairing and a spring. A fairing is provided in the middle of the combustion box, and a plurality of heat storage box parts are distributed in an annular manner in the combustion box. One side of each heat storage box is connected to the inside of the combustion box, and the other side of the heat storage box is respectively connected and installed with a gas conduit and an exhaust gas conduit. The middle of the fairing and the middle position of the end wall at one end of the combustion box are connected to each other through a spring.

[0006] Preferably, the heat storage tank forms a fully mixed preheating system with the exhaust gas conduit and the fuel gas conduit of the same group.

[0007] Preferably, two thirds of the heat storage box is located in the combustion box.

[0008] Preferably, the gas conduit is communicated with a corresponding position of the annular pipe, and a gas access pipe is installed on the annular pipe.

[0009] Preferably, the exhaust gas duct is connected to the interior of the round box, and an exhaust gas access pipe is installed on one side of the round box.

[0010] Preferably, a filter drain pipe is installed at one end of the combustion box.

[0011] The beneficial effects of the utility model are as follows: by utilizing the fairing and the spring, the available combustion space in the combustion box is effectively adjusted so as to cope with the changes in the mixture of fuel gas and exhaust gas of different concentrations, improve the sufficiency of the combustion of exhaust gas, solve the problem of insufficient combustion of harmful substances in the exhaust gas, and by using multiple heat storage boxes as the mixing space for fuel gas and exhaust gas, the sufficiency of the mixing between fuel gas and exhaust gas is enhanced, and the quality of exhaust gas combustion treatment is improved; by locating two-thirds of the heat storage box in the combustion box, it is beneficial to utilize the heat of the combustion box to preheat the exhaust gas and fuel gas mixed together in the heat storage box, and accelerate the mixing of the exhaust gas and fuel gas to reach the ignition point. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 these drawings without paying creative labor.

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is a side view of the overall structure of the utility model;

[0015] Figure 3 It is a cross-sectional view of the overall local structure of the utility model.

[0016] In the figure: 1. filter exhaust pipe; 2. combustion box; 3. heat storage box; 4. gas duct; 5. annular pipe; 6. exhaust gas duct; 7. round box; 8. gas inlet pipe; 9. exhaust gas inlet pipe; 10. fairing; 11. spring. DETAILED DESCRIPTION

[0017] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0019] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] See also Figure 1-3 As shown, an RTO heat storage combustion device includes a filter exhaust pipe 1, a combustion box 2, a heat storage box 3, a gas conduit 4, an annular pipe 5, an exhaust gas conduit 6, a round box 7, a gas inlet pipe 8, an exhaust gas inlet pipe 9, a fairing 10 and a spring 11. A fairing 10 is provided in the middle of the combustion box 2, and a plurality of heat storage box 3 parts are distributed in an annular manner in the combustion box 2. One side of each heat storage box 3 is connected to the inside of the combustion box 2, and the other side of the heat storage box 3 is respectively connected and installed with a gas conduit 4 and an exhaust gas conduit 6. The middle of the fairing 10 and the middle position of the end wall at one end of the combustion box 2 are mutually connected by a spring 11.

[0021] like Figure 1 and Figure 3 As shown, the heat storage tank 3 forms a fully mixed preheating system with the exhaust gas duct 6 and the fuel gas duct 4 of the same group. By using multiple heat storage tanks 3 as mixing spaces for fuel gas and exhaust gas, the sufficient mixing between fuel gas and exhaust gas is enhanced, the problem of incomplete combustion of harmful substances in exhaust gas is solved, and the quality of exhaust gas combustion treatment is improved.

[0022] like Figure 3 As shown, two-thirds of the heat storage box 3 is located in the combustion box 2, which is beneficial to use the heat of the combustion box 2 to preheat the exhaust gas and fuel gas mixed together in the heat storage box 3, and accelerate the mixing of the exhaust gas and fuel gas to reach the ignition point.

[0023] Furthermore, the gas conduit 4 is communicated with a corresponding position of the annular pipe 5 , and a gas access pipe 8 is installed on the annular pipe 5 .

[0024] Furthermore, the exhaust gas conduit 6 is connected to the inside of the round box 7, and an exhaust gas inlet pipe 9 is installed on one side of the round box 7.

[0025] Furthermore, a filter drain pipe 1 is installed at one end of the combustion box 2.

[0026] When the utility model is in use, the fairing 10 and the spring 11 are used to effectively adjust the available combustion space in the combustion box 3, so as to cope with the changes in the mixture of fuel gas and exhaust gas of different concentrations, improve the sufficiency of the combustion exhaust gas, and solve the problem of insufficient combustion of harmful substances in the exhaust gas. By using multiple heat storage boxes 3 as mixing spaces for fuel gas and exhaust gas, the sufficiency of the mixing between fuel gas and exhaust gas is enhanced, and the quality of exhaust gas combustion treatment is improved. Since two-thirds of the heat storage box 3 is located in the combustion box 2, it is beneficial to use the heat of the combustion box 2 to preheat the exhaust gas and fuel gas mixed together in the heat storage box 3, and accelerate the mixing of the exhaust gas and fuel gas to reach the ignition point.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An RTO thermal storage combustion device, characterized in that: The invention comprises a filter exhaust pipe (1), a combustion box (2), a heat storage box (3), a gas conduit (4), an annular pipe (5), an exhaust gas conduit (6), a round box (7), a gas inlet pipe (8), an exhaust gas inlet pipe (9), a fairing (10) and a spring (11). The fairing (10) is provided in the middle of the combustion box (2), and a plurality of heat storage box (3) parts are distributed in an annular manner in the combustion box (2). One side of each heat storage box (3) is connected to the inside of the combustion box (2), and the other side of the heat storage box (3) is connected to the gas conduit (4) and the exhaust gas conduit (6) respectively. The middle of the fairing (10) and the middle position of the end wall at one end of the combustion box (2) are connected to each other through a spring (11).

2. The RTO thermal storage combustion equipment according to claim 1, characterized in that: The heat storage tank (3) forms a fully mixed preheating system with the exhaust gas conduit (6) and the fuel gas conduit (4) of the same group.

3. The RTO thermal storage combustion equipment according to claim 1, characterized in that: Two thirds of the heat storage box (3) are located inside the combustion box (2).

4. The RTO thermal storage combustion equipment according to claim 1, characterized in that: The gas conduit (4) is in communication with a corresponding portion of the annular tube (5), and a gas access pipe (8) is installed on the annular tube (5).

5. The RTO thermal storage combustion equipment according to claim 1, characterized in that: The exhaust gas conduit (6) is in communication with the interior of the round box (7), and an exhaust gas inlet pipe (9) is installed on one side of the round box (7).

6. The RTO thermal storage combustion equipment according to claim 1, characterized in that: A filter drain pipe (1) is installed at one end of the combustion box (2).

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