Efficient combustion system assembly and plant-wide VOCs waste gas treatment device based on same

Abstract

An efficient combustion system assembly is composed of a first module, a second module,... and an n module, and comprises one or more groups of HCS combustor units, HCS premixer units, flow control units, safety units, waste heat recovery units, gas conveying units and control units, and all the units are connected through frames and supports to form one or more modules. The modules are quickly deployed in a quick connection mode; different types of to-be-treated gases are safely introduced and fully mixed through the HCS mixer, the HCS combustor unit must be arranged on the rear side of the HCS premixer unit, and an outlet of the HCS combustor unit is communicated with the outside or connected to the waste heat recovery unit. Meanwhile, the utility model discloses a whole-plant VOCs waste gas treatment device, after passing through the HCS mixer, the VOCs waste gas is directly combusted in the HCS combustor and discharged after reaching the standard, no additional air is supplemented, one or more streams of gas to be treated must contain oxygen-containing gas, and the oxygen content of the mixed oxygen-containing gas is between 10% and 21%.

Description

Technical Field

[0001] The utility model relates to the technical field of gas incineration, in particular to a high-efficiency combustion system assembly and a plant-wide VOCs waste gas treatment device based thereon. Background Art

[0002] Waste gas incineration is currently a hot topic in the field of VOCs deep treatment, such as thermal storage combustion technology, catalytic combustion technology, and direct combustion technology. The above technologies are widely used in the latest VOCs treatment engineering practices. Among them, the metal fiber surface combustion technology in the field of direct combustion is an ultra-low emission control technology that has emerged in recent years.

[0003] In engineering practice, most VOCs treatment projects are fixed structure layouts, so most equipment does not have the problem of secondary deployment after on-site installation. This also leads to the fact that most equipment is installed on-site in separate parts, with welded structures, requiring hot work on site, and a long installation cycle. Therefore, when the equipment needs to be deployed again, on the one hand, there are problems with equipment cutting and disassembly, and on the other hand, there is the problem of being unable to use hot work in the on-site explosion-proof environment, which makes the secondary deployment cycle long or basically impossible to complete.

[0004] At the same time, the current VOCs treatment has problems such as scattered layout and the need for large-scale dilution of exhaust gas, which leads to the need to install a large number of VOCs equipment and a large amount of air dilution. There are problems such as low equipment utilization and high energy consumption, and the operating cost is high.

[0005] The utility model aims to develop a high-efficiency combustion system assembly that can be quickly deployed on site and can be quickly installed and disassembled, and is used for ultra-low emission control of VOCs throughout the plant and relocatable deployment. Utility Model Content

[0006] The utility model provides a high-efficiency combustion system assembly and a plant-wide VOCs waste gas treatment device based thereon, which has the characteristics of being able to be quickly deployed, being able to treat high-concentration oxygen-containing gases, and not requiring waste gas dilution.

[0007] The utility model provides a technical solution to the above technical problem as follows: a high-efficiency combustion system assembly, comprising a module 1, a module 2, ..., a module n, wherein n is 1 / 2 / 3..., wherein the module n comprises an HCS burner unit (1), an HCS premixer unit (2), and one or more groups of a flow control unit (3), a safety unit (4), a waste heat recovery unit (5), a gas delivery unit (6), and a control unit (7), wherein the units (1) to (7) are connected by a frame and a support to form one or more modules, and the modules are quickly deployed by a quick connection method; different types of gases to be treated are safely introduced and fully mixed by the HCS mixer, the HCS burner unit (1) must be arranged at the rear side of the HCS premixer unit (2), and the outlet of the HCS burner unit (1) is connected to the outside or connected to the waste heat recovery unit (5), wherein the small gas flow in the gas to be treated enters the large gas flow through the jet pipe of the HCS mixer at a high speed, and the mixed gas is mixed once or multiple times by high-speed gas flow disturbance.

[0008] The high-efficiency combustion system may be referred to as HCS (High-efficiency Combustion System).

[0009] The high-efficiency combustion system assembly is characterized in that each unit is composed of the following devices:

[0010] - The HCS premixer unit (2) is composed of one or more connections of an HCS premixing chamber A and an HCS premixing chamber B, wherein the premixing chamber A is a self-injection type mixer, and the small gas flow enters the large gas flow through the high-speed jet and passes through the high-speed gas flow, and is further fully mixed in the HCS premixing chamber B;

[0011] - The flow control unit (3) is composed of one or more connections of exhaust gas, combustion-supporting gas, ignition gas pipelines and control valves configured in the pipelines, wherein the exhaust gas pipeline includes a high-concentration exhaust gas pipeline and a low-concentration exhaust gas pipeline, and the low-concentration exhaust gas pipeline is mainly oxygen-containing exhaust gas;

[0012] - The safety unit (4) is a flame arrester device and an HCS flameproof device. The safety unit is arranged between the HCS burner unit, the HCS premixer unit, the flow control unit and the gas delivery unit. The HCS flameproof device is a metal braid with a certain thickness arranged in front of the HCS burner. The metal braid can withstand a high temperature of >1200°C.

[0013] - The waste heat recovery unit (5) includes a heat exchanger, a temperature monitoring device, and a heat medium circulation device;

[0014] - The gas delivery unit (6) is composed of one or more connections of a delivery fan for the medium to be treated, a combustion gas storage and buffer device, a deliquescence device, and a valve, wherein the medium to be treated is a gaseous medium;

[0015] - The control unit (7) is composed of a variety of control systems, temperature flow and pressure monitoring instruments;

[0016] The high-efficiency combustion system assembly is composed of the following connections:

[0017] - the inlet (61) of the medium to be treated of the gas delivery unit is connected to the pipeline of the medium to be treated, the outlet (62) of the medium to be treated of the gas delivery unit is connected to the inlet (31) of the medium to be treated of the flow control unit, the auxiliary combustion gas inlet (63) of the gas delivery unit is connected to the auxiliary combustion gas pipeline or the internal auxiliary combustion gas buffer device, and the auxiliary combustion gas outlet (64) of the gas delivery unit is connected to the auxiliary combustion gas inlet (32) of the flow control unit;

[0018] - The flow control unit is composed of a plurality of inlets and outlets, wherein the inlet (31) of the medium to be treated of the flow control unit is connected to the outlet (62) of the medium to be treated of the gas delivery unit, the inlet (32) of the auxiliary combustion gas of the flow control unit is connected to the inlet (63) of the auxiliary combustion gas of the gas delivery unit, the inlet (33) of the ignition gas is connected to the ignition gas pipeline, the outlet (34) of the medium to be treated of the flow control unit / the outlet (35) of the auxiliary combustion gas of the flow control unit are connected to the inlet (21) of the medium to be treated of the HCS premixer unit / the outlet (22) of the auxiliary combustion gas of the HCS premixer unit, and the outlet (36) of the flow control unit is connected to the high-energy ignition device of the HCS burner unit;

[0019] - The flame arrester device of the safety unit is arranged between the outlet (34) of the flow control unit for the medium to be treated / the outlet (35) of the flow control unit for the combustion gas to be used and the inlet (21) of the HHCS premixer unit for the medium to be treated / the inlet (22) of the HCS premixer unit for the combustion gas to be used, and the inlet (61) of the gas delivery unit for the medium to be treated and the pipeline for the medium to be treated. The HCS explosion-proof device is arranged between the inlet (11) of the HCS burner unit and the outlet B (24) of the HCS premixer unit;

[0020] - The hot medium inlet (51) of the waste heat recovery unit is connected to the outlet B (13) of the HCS burner unit, the hot medium outlet (52) is directly discharged to the atmosphere, and the cold medium inlet (53) and the cold medium outlet (54) of the waste heat recovery unit are respectively connected to the supply and return pipelines of the heat-using unit;

[0021] - The inlet (21) of the HCS premixer unit for the treated medium / the inlet (22) of the HCS premixer unit for the combustion gas is connected to the outlet (34) of the flow control unit for the treated medium / the outlet (35) of the flow control unit for the combustion gas; the outlet B (24) of the HCS premixer unit is connected to the inlet (11) of the HCS burner unit;

[0022] - the inlet (11) of the HCS burner unit is connected to the outlet B (24) of the HCS premixer unit, the outlet A (12) of the HCS burner unit is directly connected to the atmosphere, and the outlet B (13) of the HCS burner unit is connected to the heat medium inlet (51) of the waste heat recovery unit;

[0023] - The control unit (7) is connected to the valves and instruments configured inside the pipelines of each module through cables, and realizes integrated control of the system through control logic.

[0024] As an option, in the high-efficiency combustion system assembly, the waste heat recovery unit (5) is arranged inside the HCS burner unit, and the HCS burner unit outlet A (12) is connected to the heat medium inlet (51) of the waste heat recovery unit, and the low-temperature gas after heat exchange is discharged into the atmosphere.

[0025] The high-efficiency combustion system assembly is characterized in that each module is quickly connected and fixed by means of flange bolts, flat connection plate bolts, quick fixing clamps, etc., and the burner structure is a vertical arrangement structure.

[0026] In the described high-efficiency combustion system assembly, the gas to be treated enters the premixing chamber A of the self-injection type mixer through a small-flow gas pipeline from the structural neck along the direction of the gas flow, and the external air is introduced unpowered through a large-flow gas pipeline.

[0027] Preferably, the self-injection mixer is a Venturi structure or a bell-mouth structure.

[0028] As an option, in the high-efficiency combustion system assembly, the HCS premixer unit (2) is also equipped with an air blower to provide additional air to ensure that the gas inside the HCS burner unit (1) is fully burned; the HCS premixer unit outlet A (23) is directly connected to the outside atmosphere through the air blower inlet.

[0029] A plant-wide VOCs waste gas treatment device, characterized in that high-concentration waste gas and low-concentration oxygen-containing waste gas are respectively transported into the high-efficiency combustion system assembly as described in 1-7, and are directly burned in the HCS burner after passing through the HCS mixer and meet emission standards without the need for additional air supplement, wherein one or several streams of the gas to be treated must be oxygen-containing gas, and the oxygen content of the mixed oxygen-containing mixed gas is between 10% and 21%.

[0030] The VOCs waste gas to be treated described in the utility model is not subject to any restrictions and can be low-oxygen gas that has been inerted, such as tank area (medium VOCs concentration), ship loading (high VOCs concentration), or non-inerted high-oxygen gas, such as loading and unloading gas (high VOCs concentration) or sewage pool waste gas (medium VOCs concentration).

[0031] Preferably, high oxygen content, low concentration of VOCs gas is used as air distribution for the high-efficiency combustion system assembly to enter the treatment system to achieve final emission standards.

[0032] When oxygen-containing waste gas enters the treatment system as air supply, especially when the oxygen-containing waste gas is a low-concentration VOCs gas, the device completely realizes air supply without additional air, avoiding the problem of large amounts of air supply required by combustion technologies such as RTO, TO, RCO, CO, VCU, and CEB, and solving the problem of oxygen content conversion required by environmental protection indicators.

[0033] As an option, in the plant-wide VOCs waste gas treatment device, all waste gases are safely isolated and uniformly transported to a high-efficiency combustion system assembly, where they are directly burned in the HCS burner after mixing with air through the HCS mixer and meet emission standards.

[0034] As an option, the plant-wide VOCs waste gas treatment device is equipped with an oxygen content monitoring instrument, which ensures that the oxygen content in the mixed waste gas is between 15% and 20% through the adjustment of the control unit.

[0035] The utility model has the following advantages: the high-efficiency combustion system assembly is suitable for plant-wide VOCs treatment and for the comprehensive treatment of oxygen-containing waste gas and oxygen-free waste gas without the need for additional waste gas dilution and adjustment; the high-efficiency combustion system assembly is simple in initial and secondary deployment, simple in maintenance, and highly safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A schematic diagram of a typical high-efficiency combustion system assembly;

[0037] Figure 2 A typical schematic diagram of the connection relationship of a high-efficiency combustion system assembly;

[0038] Figures 3 to 6 Schematic diagram of the typical high-efficiency combustion system assembly module structure.

[0039] The serial numbers in the accompanying drawings represent: (1) HCS burner unit, (2) HCS premixer unit, (3) flow control unit, (4) safety unit, (5) waste heat recovery unit, (6) gas delivery unit, and (7) control unit.

[0040] The drawings in the embodiments are only for display of a typical application. DETAILED DESCRIPTION

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. The principles and features of the present invention are described below in combination with the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The examples cited are only used to explain the present invention and are not used to limit the scope of the present invention.

[0042] Example 1 Combination Figure 1 , Figure 2 , Example 1 provides a high-efficiency combustion system assembly.

[0043] The high-efficiency combustion system assembly is composed of one or more groups of HCS burner units (1), HCS premixer units (2), flow control units (3), safety units (4), waste heat recovery units (5), gas delivery units (6), and control units (7), wherein each of the units is connected by a frame and supports to form one or more modules, and multiple modules are quickly deployed on site by means of quick connections.

[0044] Among them, each unit is composed of the following devices:

[0045] -The HCS burner unit (1) is composed of an HCS burner body, an HCS combustion head, a high-energy ignition device, and a high-temperature resistant chimney; wherein the HCS combustion head is arranged inside the HCS burner body;

[0046] - The HCS premixer unit (2) is composed of one or more connections of an HCS premixing chamber A and an HCS premixing chamber B, wherein the premixing chamber A is a self-injection type mixer, and the small gas flow enters the large gas flow through the high-speed jet and passes through the high-speed gas flow, and is further fully mixed in the HCS premixing chamber B;

[0047] - The flow control unit (3) is composed of one or more connections of exhaust gas, combustion-supporting gas, ignition gas pipelines and control valves configured in the pipelines, wherein the exhaust gas pipeline includes a high-concentration exhaust gas pipeline and a low-concentration exhaust gas pipeline, and the low-concentration exhaust gas pipeline is mainly oxygen-containing exhaust gas;

[0048] - The safety unit (4) is a flame arrester device and an HCS flameproof device. The safety unit is arranged between the HCS burner unit, the HCS premixer unit, the flow control unit and the gas delivery unit. The HCS flameproof device is a metal braid with a certain thickness arranged in front of the HCS burner. The metal braid can withstand a high temperature of >1200°C.

[0049] - The waste heat recovery unit (5) includes a heat exchanger, a temperature monitoring device, and a heat medium circulation device;

[0050] - The gas delivery unit (6) is composed of one or more connections of a delivery fan for the medium to be treated, a combustion gas storage and buffer device, a deliquescence device, and a valve, wherein the medium to be treated is a gaseous medium;

[0051] - The control unit (7) is composed of a variety of control systems, temperature flow and pressure monitoring instruments;

[0052] The high-efficiency combustion system assembly is composed of the following connections:

[0053] - the inlet (61) of the medium to be treated of the gas delivery unit is connected to the pipeline of the medium to be treated, the outlet (62) of the medium to be treated of the gas delivery unit is connected to the inlet (31) of the medium to be treated of the flow control unit, the auxiliary combustion gas inlet (63) of the gas delivery unit is connected to the auxiliary combustion gas pipeline or the internal auxiliary combustion gas buffer device, and the auxiliary combustion gas outlet (64) of the gas delivery unit is connected to the auxiliary combustion gas inlet (32) of the flow control unit;

[0054] - The flow control unit is composed of a plurality of inlets and outlets, wherein the inlet (31) of the medium to be treated of the flow control unit is connected to the outlet (62) of the medium to be treated of the gas delivery unit, the inlet (32) of the auxiliary combustion gas of the flow control unit is connected to the inlet (63) of the auxiliary combustion gas of the gas delivery unit, the inlet (33) of the ignition gas is connected to the ignition gas pipeline, the outlet (34) of the medium to be treated of the flow control unit / the outlet (35) of the auxiliary combustion gas of the flow control unit are connected to the inlet (21) of the medium to be treated of the HCS premixer unit / the outlet (22) of the auxiliary combustion gas of the HCS premixer unit, and the outlet (36) of the flow control unit is connected to the high-energy ignition device of the HCS burner unit;

[0055] - The flame arrester device of the safety unit is arranged between the outlet (34) of the flow control unit for the medium to be treated / the outlet (35) of the flow control unit for the combustion gas to be used and the inlet (21) of the HHCS premixer unit for the medium to be treated / the inlet (22) of the HCS premixer unit for the combustion gas to be used, and the inlet (61) of the gas delivery unit for the medium to be treated and the pipeline for the medium to be treated. The HCS explosion-proof device is arranged between the inlet (11) of the HCS burner unit and the outlet B (24) of the HCS premixer unit;

[0056] - The hot medium inlet (51) of the waste heat recovery unit is connected to the HCS combustion module outlet (13), the hot medium outlet (52) is directly discharged to the atmosphere, and the cold medium inlet (53) and the waste heat recovery unit cold medium outlet (54) are respectively connected to the supply and return pipelines of the heat-using unit;

[0057] - The inlet (21) of the HCS premixer unit for the treated medium / the inlet (22) of the HCS premixer unit for the combustion gas is connected to the outlet (34) of the flow control unit for the treated medium / the outlet (35) of the flow control unit for the combustion gas; the outlet B (24) of the HCS premixer unit is connected to the inlet (11) of the HCS burner unit;

[0058] - the inlet (11) of the HCS burner unit is connected to the outlet B (24) of the HCS premixer unit, the outlet A (12) of the HCS burner unit is directly connected to the atmosphere, and the outlet B (13) of the HCS burner unit is connected to the heat medium inlet (51) of the waste heat recovery unit;

[0059] - The control unit (7) is connected to the valves and instruments configured inside the pipelines of each module through cables, and realizes integrated control of the system through control logic.

[0060] It should be pointed out that the HCS burner, HCS combustion head, and HCS premixing chamber described in this case are abbreviations, which represent a high-efficiency combustion system technology. Preferably, the combustion mechanism of the high-efficiency combustion system technology is full premixed combustion technology, and the core material of its burner is metal fiber material. Full premixed combustion refers to a technology in which the exhaust gas, combustion-supporting gas, and air are premixed in advance before combustion occurs, and then fully burned in the combustion chamber after passing through the metal fiber combustion head with high-efficiency anti-flashback capability.

[0061] Example 2 Combination Figure 1 , Figure 2 , Figure 3 , Example 3 provides a modular structural relationship of a high-efficiency combustion system assembly.

[0062] The high-efficiency combustion system assembly is constructed by module one, module two, module three, and module four, wherein module one includes an HCS burner unit (1) and a safety unit (4), module two includes an HCS premixer unit (2), module three includes a flow control unit (3), a safety unit (4), a gas delivery unit (6), and a control unit (7), and module four includes a waste heat recovery unit (5). The internal structure and pipeline connection relationship of each unit module refer to Example 1.

[0063] As an option, the waste heat recovery unit 5 is configured inside the HCS burner unit (1).

[0064] The high-efficiency combustion system assembly of this embodiment is used to treat loading and unloading waste gas and tank area waste gas. The above waste gas enters the HCS premixer unit (2) through different waste gas conveying fans, and an air fan is configured to supplement sufficient oxygen to achieve the final VOCs emission that meets the standard. The high-efficiency combustion system HCS assembly waste gas treatment device achieves ultra-low nitrogen emission control and ultra-low VOCs emission control, with its NOx emission index lower than 50mg / m3 and VOCs emission index lower than 15mg / m3.

[0065] Example 4 Combination Figure 1 , Figure 2 , Figure 4, Example 4 provides a modular structural relationship of a high-efficiency combustion system assembly.

[0066] The high-efficiency combustion system assembly is constructed by module 1, module 2, and module 3, wherein module 1 includes an HCS burner unit (1) and a safety unit (4), module 2 includes an HCS premixer unit (2), and module 3 includes a flow control unit (3), a safety unit (4), a gas delivery unit (6), and a control unit (7). The internal structure and pipeline connection relationship of each unit module refer to Example 1.

[0067] The high-efficiency combustion system assembly of this embodiment is used to treat loading and unloading waste gas and sewage pool waste gas. The loading and unloading waste gas enters the HCS premixer unit through the waste gas delivery fan, and the sewage pool waste gas enters through another gas delivery fan to achieve the final VOCs emission that meets the standard. This embodiment does not configure an additional air fan, and can achieve sufficient oxygen content supply.

[0068] Example 5 Combination Figure 1 , Figure 2 , Figure 5 , Example 5 provides a modular structural relationship of a high-efficiency combustion system assembly.

[0069] The high-efficiency combustion system assembly is constructed by module 1 and module 2, wherein module 1 includes an HCS burner unit (1), a safety unit (4), and an HCS premixer unit (2), and module 2 includes a flow control unit (3), a safety unit (4), a gas delivery unit (6), and a control unit (7). The internal structure of each unit module refers to the configuration of Example 1, and the pipeline connection relationship refers to Example 2.

[0070] The high-efficiency combustion system assembly of this embodiment is used to treat low-concentration oxygen-containing un-inerted exhaust gas, and the exhaust gas enters through the gas delivery fan to achieve the final VOCs emission that meets the standards. This embodiment does not configure a separate additional air fan, but can achieve sufficient oxygen content supply.

[0071] Example 6 Combination Figure 1 , Figure 2 , Figure 6 , Example 6 provides a modular structural relationship of a high-efficiency combustion system assembly.

[0072] The high-efficiency combustion system assembly is constructed by module 1, wherein module 1 includes an HCS burner unit (1), a safety unit (4), an HCS premixer unit (2), a flow control unit (3), a safety unit (4), a gas delivery unit (6), and a control unit (7). The internal structure of each unit module refers to the configuration of embodiment 1, and the pipeline connection relationship refers to embodiment 2.

[0073] The high-efficiency combustion system assembly of this embodiment is used to treat temporary VOCs waste gas, and the waste gas enters through the gas delivery fan. By adding an air fan to supplement sufficient oxygen, the final VOCs emission that meets the standard can be achieved. This embodiment is equipped with a low-load air fan to achieve sufficient oxygen content supply. As an option, this embodiment can set the high-efficiency combustion system assembly as a mobile device.

[0074] As in the device described in Examples 3-6, the above-mentioned units realize modular construction in the manufacturing stage of the device according to the module classification of this embodiment in the processing stage, and the modules are quickly connected and disassembled through quick connection. Among them, the pipeline is connected by flanges, and the frame structure is connected by matching methods such as docking plates. After arriving at the site, the efficient combustion system can be quickly put into operation through simple hoisting and splicing.

[0075] The above-mentioned embodiments 3-6 provide typical structural features of the high-efficiency combustion system assembly, and do not exhaust all possible combinations and technical features. The core of the design is how to realize the rapid deployment feature of the equipment on the basis of realizing the functional features of the equipment. Among them, the structural features of embodiments 3 to 6 are gradually concentrated, and all components are concentrated in a unified module as much as possible under the condition of transportability, and all integration work is completed before leaving the factory.

[0076] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.

[0077] The present invention provides a preferred implementation method, but it is not intended to be a limiting description of the present invention. The embodiments described in the present invention are only descriptions of the preferred implementation methods of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by engineers and technicians in this field to the technical solution of the present invention should fall within the protection scope of the present invention.

Claims

1. A high-efficiency combustion system assembly, comprising module 1, module 2, ..., module n, where n is 1 / 2 / 3..., wherein module n comprises one or more groups of an HCS burner unit (1), an HCS premixer unit (2), a flow control unit (3), a safety unit (4), a waste heat recovery unit (5), a gas delivery unit (6), and a control unit (7), characterized in that: The units (1) to (7) are connected by a frame and supports to form one or more modules, and the modules are quickly deployed by means of quick connections. Different types of gases to be treated are safely introduced and fully mixed through the HCS mixer. The HCS burner unit (1) must be arranged at the rear side of the HCS premixer unit (2), and the outlet of the HCS burner unit (1) is connected to the outside or connected to the waste heat recovery unit (5), wherein the small airflow gas in the gas to be treated enters the large airflow gas through the jet pipe of the HCS mixer at a high speed, and the mixed gas is mixed once or multiple times by high-speed airflow disturbance.

2. The high efficiency combustion system assembly according to claim 1, characterized in that Each unit is composed of the following devices: -The HCS burner unit (1) is composed of an HCS burner body, an HCS combustion head, a high-energy ignition device, and a high-temperature resistant chimney; wherein the HCS combustion head is arranged inside the HCS burner body; - The HCS premixer unit (2) is composed of one or more connections of an HCS premixing chamber A and an HCS premixing chamber B, wherein the premixing chamber A is a self-injection type mixer, and the small gas flow enters the large gas flow through the high-speed jet and passes through the high-speed gas flow, and is further fully mixed in the HCS premixing chamber B; - The flow control unit (3) is composed of one or more connections of exhaust gas, combustion-supporting gas, ignition gas pipelines and control valves configured in the pipelines, wherein the exhaust gas pipeline includes a high-concentration exhaust gas pipeline and a low-concentration exhaust gas pipeline, and the low-concentration exhaust gas pipeline is mainly oxygen-containing exhaust gas; - The safety unit (4) is a flame arrester device and an HCS flameproof device. The safety unit is arranged between the HCS burner unit, the HCS premixer unit, the flow control unit and the gas delivery unit. The HCS flameproof device is a metal braid with a certain thickness arranged in front of the HCS burner. The metal braid can withstand a high temperature of >1200°C. - The waste heat recovery unit (5) includes a heat exchanger, a temperature monitoring device, and a heat medium circulation device; - The gas delivery unit (6) is composed of one or more connections of a delivery fan for the medium to be treated, a combustion gas storage and buffer device, a deliquescence device, and a valve, wherein the medium to be treated is a gaseous medium; - The control unit (7) is composed of a variety of control systems, temperature flow and pressure monitoring instruments; The high-efficiency combustion system assembly is composed of the following connections: - the inlet (61) of the medium to be treated of the gas delivery unit is connected to the pipeline of the medium to be treated, the outlet (62) of the medium to be treated of the gas delivery unit is connected to the inlet (31) of the medium to be treated of the flow control unit, the auxiliary combustion gas inlet (63) of the gas delivery unit is connected to the auxiliary combustion gas pipeline or the internal auxiliary combustion gas buffer device, and the auxiliary combustion gas outlet (64) of the gas delivery unit is connected to the auxiliary combustion gas inlet (32) of the flow control unit; - The flow control unit is composed of a plurality of inlets and outlets, wherein the inlet (31) of the medium to be treated of the flow control unit is connected to the outlet (62) of the medium to be treated of the gas delivery unit, the inlet (32) of the auxiliary combustion gas of the flow control unit is connected to the inlet (63) of the auxiliary combustion gas of the gas delivery unit, the inlet (33) of the ignition gas is connected to the ignition gas pipeline, the outlet (34) of the medium to be treated of the flow control unit / the outlet (35) of the auxiliary combustion gas of the flow control unit are connected to the inlet (21) of the medium to be treated of the HCS premixer unit / the outlet (22) of the auxiliary combustion gas of the HCS premixer unit, and the outlet (36) of the flow control unit is connected to the high-energy ignition device of the HCS burner unit; - The flame arrester device of the safety unit is arranged between the outlet (34) of the flow control unit for the medium to be treated / the outlet (35) of the flow control unit for the combustion gas to be used and the inlet (21) of the HHCS premixer unit for the medium to be treated / the inlet (22) of the HCS premixer unit for the combustion gas to be used, and the inlet (61) of the gas delivery unit for the medium to be treated and the pipeline for the medium to be treated. The HCS explosion-proof device is arranged between the inlet (11) of the HCS burner unit and the outlet B (24) of the HCS premixer unit; - The hot medium inlet (51) of the waste heat recovery unit is connected to the outlet B (13) of the HCS burner unit, the hot medium outlet (52) is directly discharged to the atmosphere, and the cold medium inlet (53) and the cold medium outlet (54) of the waste heat recovery unit are respectively connected to the supply and return pipelines of the heat-using unit; - The inlet (21) of the HCS premixer unit for the treated medium / the inlet (22) of the HCS premixer unit for the combustion gas is connected to the outlet (34) of the flow control unit for the treated medium / the outlet (35) of the flow control unit for the combustion gas; the outlet B (24) of the HCS premixer unit is connected to the inlet (11) of the HCS burner unit; - the inlet (11) of the HCS burner unit is connected to the outlet B (24) of the HCS premixer unit, the outlet A (12) of the HCS burner unit is directly connected to the atmosphere, and the outlet B (13) of the HCS burner unit is connected to the heat medium inlet (51) of the waste heat recovery unit; - The control unit (7) is connected to the valves and instruments configured inside the pipelines of each module through cables, and realizes integrated control of the system through control logic.

3. The high efficiency combustion system assembly according to claim 1, characterized in that The waste heat recovery unit (5) is arranged inside the HCS burner unit, and the HCS burner unit outlet A (12) is connected to the heat medium inlet (51) of the waste heat recovery unit, and the low-temperature gas after heat exchange is discharged into the atmosphere.

4. The high efficiency combustion system assembly according to claim 1, characterized in that The modules are quickly connected and fixed by means of flange bolts, flat connecting plate bolts and quick fixing clamps, and the burner structure is a vertical arrangement structure.

5. The high efficiency combustion system assembly according to claim 1, characterized in that The gas to be treated enters the premixing chamber A of the self-injection type mixer through a small airflow gas pipeline from the structural neck along the airflow direction, and the external air is introduced unpowered through a large airflow gas pipeline.

6. The high efficiency combustion system assembly according to claim 5, characterized in that The self-injection mixer has a venturi structure or a bell-mouth structure.

7. The high efficiency combustion system assembly according to claim 2, characterized in that The HCS premixer unit (2) is also equipped with an air blower to provide additional air to ensure that the gas inside the HCS burner unit (1) is fully burned; the HCS premixer unit outlet A (23) is directly connected to the outside atmosphere through the air blower inlet.

8. A plant-wide VOCs waste gas treatment device, characterized by High-concentration exhaust gas and low-concentration oxygen-containing exhaust gas are respectively transported into the high-efficiency combustion system assembly as described in 1-7, and are directly burned in the HCS burner after passing through the HCS mixer and meet emission standards without additional air supplement. Among them, one or several streams of the exhaust gas must be oxygen-containing gas, and the oxygen content of the mixed oxygen-containing mixed gas is between 10% and 21%.

9. The plant-wide VOCs waste gas treatment device according to claim 8 is characterized in that After being safely isolated, all exhaust gases are uniformly transported into the high-efficiency combustion system assembly as described in 1-7, and after mixing with air through the HCS mixer, they are directly burned in the HCS burner and meet emission standards.

10. The plant-wide VOCs waste gas treatment device according to claim 8 is characterized in that An oxygen content monitoring instrument is provided, and through the adjustment of the control unit (7), the oxygen content in the mixed exhaust gas is between 15% and 20%.

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