CN215723268U

CN215723268U - Heat accumulation device suitable for RTO combustion system

Info

Publication number: CN215723268U
Application number: CN202122231919.XU
Authority: CN
Inventors: 张烈
Original assignee: Chengdu Shuhai Tiancheng Environmental Protection Technology Co ltd
Current assignee: Chengdu Shuhai Tiancheng Environmental Protection Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-01
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a heat storage device suitable for an RTO (regenerative thermal oxidizer) combustion system, which comprises a shell, a combustion device and a catalyst heat accumulator, wherein the shell is in a hollow cylindrical shape, the combustion device comprises a heating pipeline and a heat storage part connected with the heating pipeline, the heat storage part comprises a first pipeline and a second pipeline connected with the first pipeline in a sliding manner, a heating coil is wound outside the first pipeline, the first pipeline is connected with an inner cavity of the second pipeline to form an adjustable placing space, a fixed placing space is arranged in the heat storage part, the adjustable placing space is communicated with the fixed placing space to form a placing space of the catalyst heat accumulator, the catalyst heat accumulator is placed in the placing space, the catalyst heat accumulator absorbs heat generated by oxidative decomposition of organic waste gas, and then preheats cold organic waste gas.

Description

Heat accumulation device suitable for RTO combustion system

Technical Field

The utility model relates to the technical field of waste gas emission treatment equipment, in particular to a heat storage device suitable for an RTO combustion system.

Background

The heat accumulating type Thermal incinerator is called as 'Regenerative Thermal Oxidizer' in English and is called as 'RTO' for short, and the working principle of the heat accumulating type Thermal incinerator is that combustible organic waste gas is subjected to Thermal oxidation reaction at 780-1100 ℃ to generate carbon dioxide and water. If the organic matter contains other elements such as halogen and the like, and the oxidation product also contains hydrogen halide and the like, the organic matter is firstly heated to the temperature close to the thermal oxidation temperature by the heat accumulator and then enters the combustion chamber for thermal oxidation, the temperature of the gas after oxidation is raised, and the organic matter is basically converted into carbon oxide and water. The purified gas can be discharged after passing through the heat accumulator and the temperature is reduced to reach the discharge standard. Different heat accumulators are switched over time to absorb and release heat respectively. The technology is an energy-saving environment-friendly device for treating the medium-high concentration organic waste gas. This equipment has adopted advanced heat exchange technique and novel honeycomb ceramic heat accumulation material, high-efficient advanced heat transfer system has guaranteed the effective recovery of oxidative decomposition heat, heat recovery rate is more than 95%, VOC purification rate is more than 99%, great technical advantage has in the organic waste gas purification field, wide application in petroleum, the chemical industry, rubber, paint, the application, furniture, the printing iron can, trades such as printing, for the energy saving, improve exhaust-gas treatment efficiency, reduce combustion cost, all be provided with the regenerator in the burner, a large amount of heat energy for absorbing organic waste gas burning production, come to follow-up organic waste gas that does not handle through absorbing and storing these heat energies and carry out preheating treatment, because regenerator structure is fixed, heat accumulation efficiency is comparatively single.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the heat storage structure of the heat storage chamber in the prior art is fixed and the heat storage efficiency is single, and provides a heat storage device of a combustion device.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a heat storage device suitable for an RTO (regenerative thermal oxidizer) combustion system, which comprises a shell, a combustion device and a catalyst heat accumulator, and is characterized in that the shell is in a hollow cylindrical shape, the combustion device comprises a heating pipeline and a heat storage part connected with the heating pipeline, the heating pipeline consists of a first pipeline and a second pipeline in sliding connection with the first pipeline, a heating coil is wound outside the first pipeline, the first pipeline is connected with an inner cavity of the second pipeline to form an adjustable placing space, a fixed placing space is arranged in the heat storage part, the adjustable placing space is communicated with the fixed placing space to form a placing space of the catalyst heat accumulator, and the catalyst heat accumulator is placed in the placing space.

Optionally, a connecting device is arranged in the first pipeline, the connecting device comprises a first connecting piece and a second connecting piece which are matched with each other through threads, an internal thread is arranged on the inner wall of the first connecting piece, and external threads are arranged on the outer side of the first connecting piece.

Optionally, the first connecting piece is arranged on the inner wall of the first pipeline, the second connecting piece is arranged on the outer side of the second pipeline, and the first connecting piece and the second connecting piece are both detachable installation parts.

Optionally, the internal thread on the first connecting piece is provided with an extension section for adjusting the adjustable placing space and a fixing section for fixing the positions of the first pipeline and the second pipeline.

Optionally, the inner diameters of the first pipe, the second pipe and the heat storage portion are sequentially increased.

Optionally, a sliding groove is formed in the placing space, the catalyst heat accumulator is slidably mounted in the sliding groove, and the cross section of the catalyst heat accumulator is square or circular.

Optionally, the connecting device comprises a third connecting piece and a fourth connecting piece, the third connecting piece and the fourth connecting piece are detachably mounted on the first pipeline, the fourth connecting piece and the third connecting piece are provided with strip-shaped holes matched with each other, and the first pipeline and the second pipeline are connected through mutual adjustment of the strip-shaped holes.

Optionally, a sealing plate matched with the second pipeline is arranged on the first pipeline, a groove is formed in the sealing plate, the sealing plate is connected with the second pipeline in a sliding mode through the groove, and the sealing plate is connected with the first pipeline and the second pipeline to form a closed space.

The utility model has the beneficial effects that:

(1) (ii) a The inner cavities of the first pipeline and the second pipeline are connected to form an adjustable placing space, the size of the adjustable placing space can be adjusted according to specific gas concentration, and the using amount of the catalyst heat accumulator can be increased or decreased by adjusting the size of the adjustable placing space.

(2) (ii) a Through setting up demountable installation's connecting piece, the impaired condition of preventable because live time overlength connecting piece accomplishes in time to dismantle the change, guarantees the normal clear of device work.

(3) (ii) a Through setting up and setting up the spout in placing the space, but catalyst heat accumulator slidable mounting makes relevant staff change catalyst heat accumulator convenient and fast in the spout.

(4) The internal diameters of the first pipeline, the second pipeline and the heat storage part are sequentially increased, and the effect of increasing the contact area of gas and the catalyst heat storage body is achieved by increasing the internal diameters, so that the heat storage efficiency is greatly increased.

Drawings

FIG. 1 is a schematic view of a thermal storage structure according to the present invention;

FIG. 2 is a schematic view of the construction of a first conduit and a second conduit according to the present invention;

FIG. 3 is a schematic structural diagram of a first connecting piece and a second connecting piece according to the present invention;

FIG. 4 is a schematic structural diagram of a third connecting member and a fourth connecting member according to the present invention;

FIG. 5 is a schematic diagram of the structure of a catalyst regenerator in accordance with the present invention;

in the figure, 1-housing, 2-combustion device, 201-heating pipeline, 202-heat accumulating part, 203-first pipeline, 204-second pipeline, 205-heating coil, 3-catalyst heat accumulator, 4-internal thread, 5-external thread, 6-first connecting piece, 7-second connecting piece, 8-extension section, 9-fixing section, 10-third connecting piece, 11-fourth connecting piece, 12-strip hole, 13-sealing plate, 14-chute.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, the present embodiment provides: the utility model provides a heat accumulation device suitable for RTO combustion system, includes shell 1, burner 2, catalyst heat accumulator 3, the shell is the cavity cylindricality, burner 2 include heating pipeline 201 and with the heat accumulation portion 202 that heating pipeline 201 links to each other, heating pipeline 201 comprises first pipeline 203 and second pipeline 204 with first pipeline 203 sliding connection, the outside winding of first pipeline 203 have heating coil 205, first pipeline 201 with the inner chamber of second pipeline 204 is connected and is formed adjustable space of placing, is provided with the fixed space of placing in the heat accumulation portion 202, adjustable space of placing and the fixed space of placing that communicates formation catalyst heat accumulator 3, catalyst heat accumulator 3 is placed in this space of placing.

Referring to fig. 2 and 3, a connection device is provided in the first pipe 203.

In this embodiment 1, one selected connection device includes a first connection member 6 and a second connection member 7 that are matched with each other through threads, an inner thread 4 is provided on an inner wall of the first connection member 6, an outer thread 5 is provided on an outer side of the second connection member 7, and the first pipeline 203 and the second pipeline 204 are connected more tightly through threaded connection; the first connecting piece 6 and the second connecting piece 7 are detachable installation parts, so that the connecting pieces can be replaced by related workers more conveniently and quickly.

Further, an extension section 8 for adjusting the adjustable placing space and a fixing section for fixing the positions of the first pipeline 203 and the second pipeline 204 are arranged on the internal thread 4 of the first connecting piece 6, the length of a fixing section 9 of the internal thread on the first connecting piece 6 is larger than that of the extension section 8, the extension section 8 is used for adjusting the placing space of the catalyst heat accumulator 3 through the second pipeline 204, and the fixing section 9 is used for limiting and fixing the positions of the first pipeline 203 and the second pipeline 204, so that the second pipeline 204 is prevented from falling off, and safety faults of the combustion device 2 are caused.

Referring to fig. 4, a connecting device selected for use in this embodiment 2 includes a third connecting member 10 and a fourth connecting member 11, both of which are detachably mounted on the first pipeline 203 and the second pipeline 204, the third connecting member 10 and the fourth connecting member 11 are provided with strip-shaped holes 12, and the first pipeline 203 and the second pipeline 204 are connected by mutual adjustment of the strip-shaped holes 12. Connecting piece three 10, first pipeline 203, second pipeline 204, connecting piece four 11 connect gradually through setting up bar hole 12 and bolt cooperation, through setting up detachable connecting piece three 10 and connecting piece four 11, can accomplish timely change, prolong first pipeline 203 and second pipeline 204 life.

Further, a sealing plate 13 matched with the second pipeline 204 is arranged on the first pipeline 203, a groove is arranged on the sealing plate 13, the sealing plate 13 is slidably connected with the second pipeline 204 through the groove, and the sealing plate 13 is connected with the first pipeline 203 and the second pipeline 204 to form a closed space. The air tightness of the connection of the inner cavities of the first pipeline 203 and the second pipeline 204 is ensured by arranging a sealing plate, and the gas leakage is prevented.

Referring to fig. 1, 2 and 5, a related worker may adjust a catalyst heat accumulator 3 placement space according to gas density, when the gas density is too high, the position of the second pipe 204 and the first pipe 203 may be adjusted by a connection device, the catalyst heat accumulator 3 placement space may be increased by adjusting the relative position of the first connection piece 6 on the first pipe 203 and the second connection piece 7 on the second pipe 204, and then the catalyst heat accumulator 3 may be placed in the space, and the heat storage efficiency may be increased by increasing the contact area between the gas and the catalyst heat accumulator 3; when gas density is low excessively, accessible threaded connection device adjusts second connecting piece 7 and the first 6 extension segment positions of connecting piece on second pipeline 204, can reduce catalyst heat accumulator 3 through the position of adjusting second pipeline 204 connecting piece two 7 and place the space, then puts into this space with catalyst heat accumulator 3 in, through increasing gas concentration for heat accumulation efficiency. The specific shape of the catalyst heat storage body 3 in the present invention is not limited to the rectangular parallelepiped shape in fig. 5, and other shapes of the catalyst heat storage body may be selected.

In the present embodiment, preferably, the inner diameters of the first pipe 203, the second pipe 204, and the heat storage portion 202 are sequentially increased, the gas is combusted in the first pipe 203 and then enters the second pipe 204 and the heat storage portion 202, and when the inner diameter of the gas is increased after entering the heat storage portion 202, the volume of the gas is also increased, the contact area between the gas and the catalyst heat storage body 3 is increased, and the heat storage efficiency is increased.

Further, a chute 14 matched with the catalyst heat accumulator is arranged in a placing space formed by sequentially connecting the inner cavities of the first pipeline 203, the second pipeline 204 and the heat storage part 202, the catalyst heat accumulator is slidably mounted in the chute 14, when the catalyst heat accumulator device is used, the catalyst heat accumulator 3 is placed in the placing space formed by sequentially connecting the inner cavities of the first pipeline 203 and the second pipeline 204 according to the gas density, and the inner diameter of the catalyst heat accumulator 3 is sequentially increased along with the inner diameters of the first pipeline 203, the second pipeline 204 and the heat storage part 202.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A heat storage device suitable for an RTO combustion system comprises a shell (1), a combustion device (2) and a catalyst heat accumulator (3), characterized in that the shell (1) is hollow and cylindrical, the combustion device (2) comprises a heating pipeline (201) and a heat storage part (202) connected with the heating pipeline, the heating pipeline is composed of a first pipeline (203) and a second pipeline (204) connected with the first pipeline (203) in a sliding way, a heating coil (205) is wound outside the first pipeline (203), the first pipeline (203) is connected with the inner cavity of the second pipeline (204) to form an adjustable placing space, a fixed placing space is arranged in the heat accumulating part (202), the adjustable placing space and the fixed placing space are communicated to form a placing space of the catalyst heat accumulator, and the catalyst heat accumulator (3) is placed in the placing space.

2. A thermal storage device suitable for use in an RTO combustion system according to claim 1, wherein a connection device is provided in the first conduit (203).

3. A thermal storage device suitable for use in an RTO combustion system as claimed in claim 2, wherein the connection means comprises a first connection member (6) and a second connection member (7) which are engaged with each other by screw threads, wherein the first connection member (6) is provided with internal screw threads (4) on an inner wall thereof, and the second connection member (7) is provided with external screw threads (5) on an outer side thereof.

4. A thermal storage device suitable for use in an RTO combustion system according to claim 3, wherein the first connector (6) is provided on an inner wall of the first conduit (203), the second connector (7) is provided on an outer side of the second conduit (204), and both the first connector (6) and the second connector (7) are removably mounted components.

5. A thermal storage device suitable for an RTO combustion system according to claim 3, characterized in that the internal thread (4) on the first connector is provided with an extension (8) to adjust the adjustable placement space and a fixing (9) to fix the position of the first (203) and second (204) pipes.

6. A thermal storage device suitable for use in an RTO combustion system in accordance with claim 5 wherein the length of the fixing section (9) of the internal screw thread (4) on one of said connector members is greater than the length of the extension section (8).

7. A thermal storage device suitable for use in an RTO combustion system according to claim 1, wherein the first conduit (203), the second conduit (204) and the thermal storage portion (202) have successively increasing internal diameters.

8. A heat storage device adapted to an RTO combustion system according to claim 1, wherein a chute (14) is provided in the placement space, the catalyst heat storage body (3) is slidably mounted in the chute (14), and the catalyst heat storage body (3) has a square or circular cross section.

9. The thermal storage device suitable for the RTO combustion system as claimed in claim 2, wherein the connecting device comprises a third connecting member (10) and a fourth connecting member (11), both of which are detachably mounted on the first pipeline (203) and mounted on the second pipeline (204), the third connecting member (10) and the fourth connecting member (11) are provided with strip-shaped holes (12) which are matched with each other, and the first pipeline (203) and the second pipeline (204) are connected by mutual adjustment of the strip-shaped holes (12).

10. The thermal storage device suitable for the RTO combustion system according to claim 9, wherein the first pipe (203) is provided with a sealing plate (13) matching with the second pipe (204), the sealing plate (13) is provided with a groove, the sealing plate (13) is slidably connected with the second pipe (204) through the groove, and the sealing plate (13), the first pipe (203) and the second pipe (204) directly form a closed space.