CN209945096U

CN209945096U - Power plant flue gas utilization processing apparatus

Info

Publication number: CN209945096U
Application number: CN201920341598.9U
Authority: CN
Inventors: 张光辉
Original assignee: Weifang Yidaneng Power Co Ltd
Current assignee: Weifang Yidaneng Power Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-14
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a power generation field flue gas utilization and treatment device, which comprises a biogas generator set, a primary heat exchange assembly and a secondary heat exchange assembly, wherein the biogas generator set is provided with a waste gas outlet, the waste gas outlet end of the biogas generator set is communicated with a waste gas output pipe, and the waste gas output pipe passes through the primary heat exchange assembly and is connected with the secondary heat exchange assembly; the primary heat exchange assembly comprises a heating boiler, a heat conducting plate and a heat transfer pipe, the heat conducting plate is coated outside the waste gas output pipe, and the upper end of the heat conducting plate is provided with the heating boiler; the heating boiler is provided with a water inlet and a water outlet, a plurality of groups of heat transfer pipes are arranged in the heating boiler, and the heat transfer pipes penetrate through the bottom of the shell of the heating boiler and are connected with the heat conduction plate; the water outlet end of the heating boiler is connected with a buffering heat-insulating pipe, the buffering heat-insulating pipe comprises an outer layer, a buffer layer, a heat-insulating layer, a reinforcing layer and a middle layer, the reinforcing layer is coated outside the middle layer, and a reinforcing rib is arranged in the reinforcing layer. The utility model realizes energy saving and emission reduction, comprehensively utilizes the waste heat of the biogas generator set and saves resources.

Description

Power plant flue gas utilization processing apparatus

Technical Field

The utility model relates to a marsh gas power generation field specifically is a power plant flue gas utilizes processing apparatus.

Background

The power generating set, especially the methane power generating set, develops rapidly in recent years, and national policies support the construction of methane engineering such as farms, sewage treatment plants and the like.

At present, a biogas generator set is greatly applied, biogas generation needs to be carried out under the conditions of certain temperature, humidity, pH value and anaerobic condition and the action of fermentation and decomposition of various microorganisms, only about 35 percent of energy generated by biogas at present is converted into electric energy, about 30 percent of the energy generated by biogas at present is discharged along with tail gas, and 25 percent of the energy is taken away by engine cooling water, so that a large amount of tail gas waste heat can be generated during power generation of the generator set, and the waste heat cannot be effectively utilized at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power plant flue gas utilizes processing apparatus to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a power generation field flue gas utilization and treatment device comprises a biogas generator set, a primary heat exchange assembly and a secondary heat exchange assembly, wherein the biogas generator set is provided with a waste gas outlet, the waste gas outlet end of the biogas generator set is communicated with a waste gas output pipe, and the waste gas output pipe passes through the primary heat exchange assembly and is connected with the secondary heat exchange assembly; the primary heat exchange assembly comprises a heating boiler, a heat conducting plate and a heat transfer pipe, the heat conducting plate is coated outside the waste gas output pipe, and the upper end of the heat conducting plate is provided with the heating boiler; the heating boiler is provided with a water inlet and a water outlet, a plurality of groups of heat transfer pipes are arranged in the heating boiler, and the heat transfer pipes penetrate through the bottom of the shell of the heating boiler and are connected with the heat conduction plate; the water outlet end of the heating boiler is connected with a buffering heat-insulating pipe, the buffering heat-insulating pipe comprises an outer layer, a buffer layer, a heat-insulating layer, a reinforcing layer and a middle layer, the reinforcing layer is coated outside the middle layer, and a reinforcing rib is arranged in the reinforcing layer.

Preferably, the secondary heat exchange assembly comprises a heat exchanger, the heat exchanger is provided with a waste gas inlet, a water inlet and a water outlet, the waste gas inlet end of the heat exchanger is connected with a waste gas output pipe, the water inlet end of the heat exchanger is connected with the buffering heat-insulating pipe, and the water outlet end of the heat exchanger is connected with a water delivery pipe.

Preferably, the buffer heat-preservation pipe is provided with an electromagnetic valve.

Preferably, the heat preservation layer sets up outside the enhancement layer, and the heat preservation intussuseption is filled with insulation material, sets up the buffer layer outside the heat preservation layer.

Preferably, the buffer layer is arranged between the outer layer and the heat preservation layer, and buffer bubbles are arranged in the buffer layer and made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model realizes energy saving and emission reduction, enables the waste heat of the biogas generating set to be comprehensively utilized, saves a large amount of energy such as coal, electricity and the like, the biogas generating set outputs waste gas with waste heat to be communicated with the secondary heat exchange component through the primary heat exchange component, the heat conducting plate on the primary heat exchange component is coated outside the waste gas output pipe, the waste gas leads the waste gas output pipe to have heat through the waste gas output pipe, the heat conducting plate leads the external heat of the waste gas output pipe to the heat conducting pipe, the heat is transferred into the heating boiler through the heat transfer pipe, cold water is input from the water input port in the heating boiler, the cold water is changed into warm water after the heat transfer of the heat transfer pipe and is output through the buffer heat-insulation pipe, the buffer layer, the heat-insulation layer and the reinforcing layer arranged in the buffer heat-insulation pipe play a role in heat insulation and pressure resistance, the warm water is prevented from losing heat in the circulation process, and the buffer heat-insulation pipe transmits the warm water into the heat exchanger; the heat exchanger plays a role in heat exchange, and the heat exchanger transfers the waste heat of the waste gas and the warm water, so that the waste heat of the waste gas is recycled, the heat exchange efficiency is improved to a certain extent, and the waste heat recovery efficiency is greatly improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic diagram of the internal structure of the buffer thermal insulation pipe of the present invention.

In the figure: 1. a biogas generator set; 2. an exhaust gas outlet pipe; 3. heating a boiler; 31. a water input port; 32. a water outlet; 4. a heat conducting plate; 5. a heat transfer tube; 6. a buffer heat-preservation pipe; 61. an outer layer; 62. a buffer layer; 621. buffering the bubbles; 63. a heat-insulating layer; 64. a reinforcing layer; 65. an intermediate layer; 7. a heat exchanger; 8. a water delivery pipe; 9. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a power generation field flue gas utilization and treatment device comprises a biogas generator set 1, a primary heat exchange assembly and a secondary heat exchange assembly, wherein the biogas generator set 1 is provided with a waste gas outlet, the waste gas outlet end of the biogas generator set is communicated with a waste gas output pipe 2, and the waste gas output pipe 2 passes through the primary heat exchange assembly and is connected with the secondary heat exchange assembly; the primary heat exchange assembly comprises a heating boiler 3, a heat conducting plate 4 and a heat transfer pipe 5, the heat conducting plate 4 is coated outside the waste gas output pipe 2, and the upper end of the heat conducting plate is provided with the heating boiler 3; the heating boiler 3 is provided with a water inlet 31 and a water outlet 32, a plurality of groups of heat transfer pipes 5 are arranged in the heating boiler 3, and the plurality of groups of heat transfer pipes 5 penetrate through the bottom of the shell of the heating boiler 3 and are connected with the heat conduction plate 4; the water outlet 32 end of the heating boiler 3 is connected with the buffering heat-insulating pipe 6, the buffering heat-insulating pipe 6 comprises an outer layer 61, a buffering layer 62, a heat-insulating layer 63, a reinforcing layer 64 and a middle layer 65, the reinforcing layer 64 is wrapped outside the middle layer 65, and a reinforcing rib is arranged in the reinforcing layer.

The secondary heat exchange assembly comprises a heat exchanger 7, the heat exchanger 7 is provided with a waste gas inlet, a water inlet and a water outlet, the waste gas inlet end of the heat exchanger 7 is connected with the waste gas output pipe 2, the water inlet end of the heat exchanger is connected with the buffering heat-insulating pipe 6, and the water outlet end of the heat exchanger is connected with a water conveying pipe 8.

The buffer heat-preservation pipe 6 is provided with an electromagnetic valve 9.

The heat preservation layer 63 is arranged outside the reinforcing layer 64, the heat preservation layer 63 is filled with heat preservation materials, and the buffer layer 62 is arranged outside the heat preservation layer 63.

The buffer layer 62 is disposed between the outer layer 61 and the insulating layer 63, and buffer bubbles 621 are disposed in the buffer layer 62, and the buffer bubbles 621 are made of rubber.

The working principle is as follows:

the utility model discloses a marsh gas generating set 1 has the exhaust outlet, its exhaust outlet end intercommunication has exhaust gas output tube 2, and exhaust gas output tube 2 passes through primary heat exchange assembly and is connected with secondary heat exchange assembly, marsh gas generating set 1 exports the waste gas that has the waste heat and communicates through primary heat exchange assembly and with secondary heat exchange assembly, heat-conducting plate 4 on the primary heat exchange assembly is cladding outside exhaust gas output tube 2, waste gas leads to exhaust gas output tube 2 itself to have the heat through exhaust gas output tube 2, heat-conducting plate 4 exports the outside heat of exhaust gas output tube 2 to heat-transfer pipe 5, and transmit the heat to heating boiler 3 by heat-transfer pipe 5 in, input cold water by water input port 31 end in heating boiler 3, cold water becomes warm water and exports by buffering heat preservation pipe 6 after the heat transfer of heat-transfer pipe 5, the buffer layer 62 that sets up in buffering heat preservation, the warm water is prevented from losing heat in the circulation process, and the buffer heat-preservation pipe 6 transmits the warm water into the heat exchanger 7; the heat exchanger 7 plays a role in heat exchange, and the heat exchanger 7 transfers the waste heat of the waste gas and the warm water in a heat mode, so that the waste heat of the waste gas is recycled, the heat exchange efficiency is improved to a certain extent, and the waste heat recovery efficiency is greatly improved.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A power generation field flue gas utilization and treatment device is characterized by comprising a biogas generator set (1), a primary heat exchange assembly and a secondary heat exchange assembly, wherein the biogas generator set (1) is provided with a waste gas outlet, the waste gas outlet end of the biogas generator set is communicated with a waste gas output pipe (2), and the waste gas output pipe (2) passes through the primary heat exchange assembly and is connected with the secondary heat exchange assembly; the primary heat exchange assembly comprises a heating boiler (3), a heat conducting plate (4) and a heat transfer pipe (5), the heat conducting plate (4) is coated outside the waste gas output pipe (2), and the upper end of the heat conducting plate is provided with the heating boiler (3); the heating boiler (3) is provided with a water inlet (31) and a water outlet (32), a plurality of groups of heat transfer pipes (5) are arranged in the heating boiler (3), and the plurality of groups of heat transfer pipes (5) penetrate through the bottom of the shell of the heating boiler (3) and are connected with the heat conduction plate (4); the water delivery outlet (32) end of heating boiler (3) is connected with buffering insulating tube (6), and buffering insulating tube (6) include skin (61), buffer layer (62), heat preservation (63), enhancement layer (64) and intermediate level (65), and enhancement layer (64) cladding is outside intermediate level (65), and is provided with the strengthening rib in it.

2. The power plant flue gas utilization treatment device according to claim 1, characterized in that: the secondary heat exchange assembly comprises a heat exchanger (7), the heat exchanger (7) is provided with a waste gas inlet, a water inlet and a water outlet, the waste gas inlet end of the heat exchanger (7) is connected with the waste gas output pipe (2), the water inlet end of the heat exchanger is connected with the buffering heat-insulating pipe (6), and the water outlet end of the heat exchanger is connected with a water delivery pipe (8).

3. The power plant flue gas utilization treatment device according to claim 2, characterized in that: and the buffer heat-insulation pipe (6) is provided with an electromagnetic valve (9).

4. The power plant flue gas utilization treatment device according to claim 1, characterized in that: the heat-insulating layer (63) is arranged outside the reinforcing layer (64), the heat-insulating layer (63) is filled with heat-insulating materials, and the buffer layer (62) is arranged outside the heat-insulating layer (63).

5. The power plant flue gas utilization treatment device according to claim 4, characterized in that: the buffer layer (62) is arranged between the outer layer (61) and the heat insulation layer (63), buffer bubbles (621) are arranged in the buffer layer (62), and the buffer bubbles (621) are made of rubber.