CN217176756U

CN217176756U - Novel combined heat and power generation system based on RTO

Info

Publication number: CN217176756U
Application number: CN202221119098.9U
Authority: CN
Inventors: 何群伟
Original assignee: Kranz Hainan Technology Co ltd
Current assignee: Kranz Hainan Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-12
Anticipated expiration: 2032-05-11

Abstract

The utility model relates to a novel combined heat and power generation system based on RTO, including RTO device and gas turbine, gas turbine's gas vent communicates to the high temperature combustion chamber of RTO device, and the air inlet of box is connected through admitting air branch pipe and is responsible for under the RTO device, and the gas vent of box is connected the exhaust manifold through exhaust branch pipe under the RTO device, and this exhaust manifold's end communicates to the chimney, and the return air is responsible for in exhaust manifold's rear end connection, and this return air is responsible for and is gone up installation emptyAnd the return air main pipe is connected to the air inlet main pipe of the RTO device and the purging port of the lower box body through the return air branch pipe. The utility model discloses introduce the high temperature combustion chamber of RTO device with gas turbine's tail gas as cooling air and oxygenating air, reduced the disturbance that the cold air directly got into the temperature field, obtain 100% utilization with gas turbine's energy moreover, the NOx reduction becomes N in the RTO device with gas turbine tail gas ₂ Thereby realizing the ultralow emission of the tail gas of the chimney.

Description

Novel combined heat and power generation system based on RTO

Technical Field

The utility model relates to a combined heat and power generation technical field, concretely relates to novel combined heat and power generation system based on RTO.

Background

The gas turbine and the RTO device are widely applied to the fields of power generation and waste gas treatment as mature prior art, but the gas turbine generally has the problem of low energy utilization efficiency, and the small-sized gas turbine based on cogeneration utilizes natural gas to generate power and supply heat, so that the total energy utilization rate is only 80-90% at most, and the gas boiler exhausts the problems that Nox is not up to standard and carbon emission is too high. At present, high-concentration organic exhaust gas and high-concentration organic waste liquid (similar to production leftover materials) are produced in the production of many enterprises, but the heat value of the organic exhaust gas and the organic waste liquid can not support direct combustion or the produced quantity is unstable or insufficient and can not support continuous combustion, a certain proportion of fuel is required, and complicated equipment and high operation cost are required for treating the organic exhaust gas and the organic waste liquid. In addition, enterprises generally have the problems of insufficient high-grade heat sources and surplus low-grade heat sources.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel combined heat and power generation system based on RTO for solve the gas turbine energy utilization among the prior art low, discharge not up to standard, organic exhaust and the waste liquid treatment cost height of enterprise's production process production and the not enough problem of the high-grade heat source of enterprise.

The utility model provides a novel combined heat and power generation system based on RTO, including RTO device and gas turbine, gas turbine's gas vent passes through blast pipe and valves intercommunication to the high temperature combustion chamber of RTO device, the air inlet of box is connected through the branch union coupling that admits air and is responsible for under the RTO device, and the gas vent of box is connected the exhaust manifold through the branch union coupling that exhausts under the RTO device, and this exhaust manifold's end communicates to the chimney, the return air is responsible for to exhaust manifold's rear end connection return air, and this return air is responsible for and is installed the air intake pipe, the return air is responsible for and is responsible for the blowing mouthful of the inlet pipe that is connected to the RTO device through the return air branch union coupling and the lower box.

Furthermore, a box body on the tail end of the RTO device is connected with a hot bypass ventilation pipe, the air outlet of the hot bypass ventilation pipe is divided into two paths, one path is directly communicated to an exhaust main pipe of the RTO device through a pipeline and a valve group, and the other path is communicated to the exhaust main pipe of the RTO device through a heat exchanger and a pipeline and a valve group.

Furthermore, a first fan and a second fan are respectively arranged on the air inlet main pipe and the air return main pipe.

Furthermore, valve banks are arranged on the air inlet main pipe, the air inlet branch pipe, the exhaust branch pipe, the air return branch pipe and the air inlet pipe.

Furthermore, a burner is installed at the top end of the upper box body of the RTO device and connected with the multi-fuel injection device.

Furthermore, a filter is arranged on a fresh air inlet pipe of the gas turbine.

Adopt above-mentioned the utility model discloses technical scheme's beneficial effect is:

the utility model discloses introduce the high temperature combustion chamber of RTO device with gas turbine's tail gas as cooling air and oxygenating air, reduced the disturbance that the cold air directly got into the temperature field, obtain 100% utilization with gas turbine's energy moreover, through the reaction of RTO device high temperature combustion chamber, reduce into N with Nox in the gas turbine tail gas ₂ Thereby realizing the ultra-low emission of the tail gas of the chimney; a heat exchanger is arranged on a heat bypass of the RTO device to generate high-grade steam, heat conduction oil or hot water and the like required by enterprises; part of gas in the exhaust main pipe flows back to the RTO device, so that the air quantity discharged by a chimney is reduced, the total amount of low-grade heat is reduced, and a low-grade heat source is converted into a high-grade heat source; the air quantity and temperature discharged by a chimney are greatly reduced by means of cogeneration, so that the carbon emission is reduced, and the comprehensive energy utilization rate is more than 95%; by applying the multi-fuel injection type patent combustion technology, the high-concentration organic exhaust and the high-concentration organic waste liquid generated in the production process of enterprises are recycled.

Drawings

FIG. 1 is a schematic structural diagram of a novel RTO-based combined heat and power generation system of the present invention;

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

1-RTO device, 2-gas turbine, 3-exhaust pipe, 4-air inlet branch pipe, 5-air inlet main pipe, 6-exhaust branch pipe, 7-exhaust main pipe, 8-chimney, 9-air return main pipe, 10-air inlet pipe, 11-air return branch pipe, 12-heat bypass air pipe, 13-heat exchanger, 14-fan I, 15-fan II, 16-burner, 17-multi-fuel injection device and 18-filter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

As shown in fig. 1, the embodiment of the novel cogeneration system based on RTO includes an RTO device 1 and a gas turbine 2, an exhaust port of the gas turbine 2 is communicated to a high-temperature combustion chamber of the RTO device 1 through an exhaust pipe 3 and a valve bank, and tail gas of the gas turbine 2 is introduced into the RTO device 1 as cooling air and oxygen supplementing air, so that disturbance of the cold air to a temperature field in the RTO device 1 is reduced, gas of the gas turbine 2 is utilized by 100%, and the tail gas of the gas turbine 2 participates in a reaction in the RTO device 1 to reduce Nox into N ₂ The air inlet of the lower box body of the RTO device 1 is connected with an air inlet main pipe 5 through an air inlet branch pipe 4, the air outlet of the lower box body of the RTO device 1 is connected with an air outlet main pipe 7 through an air outlet branch pipe 6, the tail end of the air outlet main pipe 7 is communicated to a chimney 8, the rear end of the air outlet main pipe 7 is connected with an air return main pipe 9, an air inlet pipe 10 is arranged on the air return main pipe 9, the air return main pipe 9 is connected with the air inlet main pipe 5 of the RTO device 1 and a blowing opening of the lower box body through an air return branch pipe 11, the RTO device 1 is the prior art, the working principle of the RTO device is not introduced here, partial tail gas in the air outlet main pipe 7 flows back to the RTO device 1, the air discharge amount of the chimney 8 is reduced, and the total amount of low-grade heat is reduced.

Preferably, the upper box body at the tail end of the RTO device 1 is connected with a hot bypass air pipe 12, an air outlet of the hot bypass air pipe 12 is divided into two paths, one path is directly communicated to an exhaust main pipe 7 of the RTO device 1 through a pipeline and a valve group, the other path is communicated to the exhaust main pipe 7 of the RTO device 1 through the pipeline and the valve group after passing through a heat exchanger 13, and through the arrangement of the hot bypass upper heat exchanger 13, high-grade steam and a proper amount of hot water are provided for enterprises while heat is recycled.

Specifically, install fan one 14 and fan two 15 respectively on the person in charge of 5 and the return air person in charge of 9 of admitting air, be gaseous pressurization through fan one 14 and fan two 15, all install the valves on the person in charge of 5, the gas inlet is divided and is managed 4, the exhaust is divided and manage 6, the return air is divided and manage 11 and air intake pipe 10, adjusts the switch of each valves according to the production demand.

Specifically, a combustor 16 is installed at the top end of an upper box body of the RTO device 1, a gas inlet of the combustor 16 is connected with a multi-fuel injection device 17, and fuel, high-concentration organic exhaust gas and high-concentration organic waste liquid are injected into a reaction chamber of the RTO device 1 through the multi-fuel injection device 17 to participate in oxidation-reduction reaction.

Preferably, a filter 18 is installed on the fresh air intake pipe 10 of the gas turbine 2, and the air entering the gas turbine 2 is filtered by the filter 18.

The working method of the novel combined heat and power generation system based on the RTO comprises the following steps:

(1) the gas containing VOCs is pressurized by a first fan 14 and then enters the RTO device 1 through a main gas inlet pipe 5 and a branch gas inlet pipe 4, the tail gas generated by the gas turbine 2 after acting and generating electricity is conveyed to a high-temperature combustion chamber of the RTO device 1 through an exhaust pipe 3, and the gas containing VOCs and the tail gas of the gas turbine 2 are mixed in the RTO device 1 and subjected to oxidation-reduction reaction;

(2) one part of the clean air after reaction in the RTO device 1 is discharged into a chimney 8 through an exhaust branch pipe 6 and an exhaust main pipe 7 at the bottom of the RTO device 1, and the other part of the high-temperature clean air enters a heat exchanger 13 through a heat bypass air pipe 12, is subjected to heat recovery and then is converged into the exhaust main pipe 7 and then is discharged into the chimney 8.

Preferably, part of the clean air in the exhaust manifold 7 is mixed with fresh air gathered by the air inlet pipe 10 in the return main pipe 9, and the mixture is pressurized by the second fan 15 and then is input into the inlet main pipe 5 or the purging port of the RTO device 1 as make-up air or purging air through the return branch pipe 11.

To sum up, the utility model discloses introduce the high temperature combustion chamber of RTO device with gas turbine's tail gas as cooling air and oxygenating air, reduced the disturbance that the cold air directly got into the temperature field, obtain 100% utilization with gas turbine's energy moreover, through the reaction of RTO device high temperature combustion chamber, reduce into N with Nox among the gas turbine tail gas ₂ Thereby realizing the tail of the chimneyUltra-low emission of gas; a heat exchanger is arranged on a heat bypass of the RTO device to generate high-grade steam, heat conduction oil or hot water and the like required by enterprises; part of gas in the exhaust main pipe flows back to the RTO device, so that the air quantity discharged by a chimney is reduced, the total amount of low-grade heat is reduced, and a low-grade heat source is converted into a high-grade heat source; the air quantity and temperature discharged by a chimney are greatly reduced by means of cogeneration, so that the carbon emission is reduced, and the comprehensive energy utilization rate is more than 95%; by applying the multi-fuel injection type patent combustion technology, the high-concentration organic exhaust and the high-concentration organic waste liquid generated in the production process of enterprises are recycled.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a novel combined heat and power generation system based on RTO, a serial communication port, including RTO device and gas turbine, gas turbine's gas vent passes through blast pipe and valves and communicates to the high temperature combustion chamber of RTO device, the air inlet of box is connected through the branch union coupling that admits air and is responsible for under the RTO device, and the gas vent of box is connected through the branch union coupling that admits air under the RTO device and exhaust main pipe, and this exhaust main pipe's end communicates to the chimney, the return air is responsible for in the rear end of exhaust main pipe is connected to the return air, and this return air is responsible for and is installed the air intake pipe, the return air is responsible for and is connected to the person in charge of the admitting air of RTO device and the purge port of box down through the branch union coupling of return air.

2. The novel RTO-based combined heat and power generation system as claimed in claim 1, wherein the end of the RTO device is connected with a hot bypass ventilation pipe through a box, the air outlet of the hot bypass ventilation pipe is divided into two paths, one path is directly communicated to the exhaust main pipe of the RTO device through a pipeline and a valve group, and the other path is communicated to the exhaust main pipe of the RTO device through a heat exchanger and a pipeline and a valve group.

3. An RTO-based novel cogeneration system according to claim 1, wherein said main intake duct and said main return duct are respectively provided with a first fan and a second fan.

4. The RTO-based novel cogeneration system of claim 1, wherein said main intake duct, branch exhaust duct, branch return duct and air intake duct are each fitted with a valve block.

5. The RTO-based novel combined heat and power generation system according to claim 1, wherein a burner is installed on the top end of the upper box of the RTO device, and the burner is connected with a multi-fuel injection device.

6. The RTO-based novel cogeneration system of claim 1, wherein a filter is installed on the fresh air intake duct of said gas turbine.