CN215063916U

CN215063916U - Waste heat recovery equipment convenient to change heat exchange module

Info

Publication number: CN215063916U
Application number: CN202121618771.9U
Authority: CN
Inventors: 杨晓春
Original assignee: Shanghai Chengzhong Technology Co ltd
Current assignee: Shanghai Chengzhong Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-12-07
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a waste heat recovery equipment convenient to change heat transfer module of flue gas waste heat recovery technical field, including the heat transfer case, heat transfer bottom of the case portion intercommunication is equipped with the conveyer pipe, the conveyer pipe top is linked together with heat transfer incasement portion, the conveyer pipe bottom is equipped with the rose box, the rose box bottom is equipped with into tobacco pipe way, the rose box top is run through and is equipped with out tobacco pipe way, the inside heat exchange tube that is equipped with of heat transfer incasement, heat transfer case right side wall runs through and is equipped with the inlet channel, inlet channel one end is connected with the heat exchange tube water inlet, heat transfer case left side wall runs through and is equipped with outlet conduit, outlet conduit one end is connected with the heat exchange tube delivery port, the utility model discloses the high temperature flue gas that produces at the mold heating furnace gets into the heat transfer room from advancing tobacco pipe way, heats the water in the heat transfer pipe, hot water can carry out recycle, make full use of the energy, reduced the wasting of resources.

Description

Waste heat recovery equipment convenient to change heat exchange module

Technical Field

The utility model relates to a flue gas waste heat recovery technical field specifically is a waste heat recovery equipment convenient to change heat exchange module.

Background

The existing power plant boiler smoke heat loss is the largest item of boiler heat loss, and the smoke loss accounts for 5 to 6 percent of the boiler fuel input heat when a large and medium boiler normally operates; in the coal-fired thermal power generating units in active service in China, the exhaust gas temperature of a boiler is generally about 125 to 150 ℃, and the efficiency of the boiler can be improved by about 1 percent when the exhaust gas temperature is reduced by 15 to 20 ℃.

The waste heat of the flue gas in the boiler of the existing power plant is not utilized, a large amount of heat is wasted, the boiler efficiency is low, the economic benefit is not high, the resource waste is caused, the dust in the flue gas cannot be treated, and the environmental pollution is caused by the emission of the dust into the air.

Disclosure of Invention

An object of the utility model is to provide a waste heat recovery equipment convenient to change heat transfer module to the waste heat of discharging fume in the current power plant boiler that proposes in solving above-mentioned background is not utilized, and a large amount of thermal problems have been wasted to the whitish.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waste heat recovery equipment convenient to change heat transfer module, includes the heat transfer case, heat transfer bottom of the case portion intercommunication is equipped with the conveyer pipe, conveyer pipe top and the inside heat transfer incasement portion are linked together, the conveyer pipe bottom is equipped with the rose box, conveyer pipe bottom and the inside filter box that is linked together, the rose box bottom is equipped with into tobacco pipe way, it says that top and rose box are inside to be linked together to advance tobacco pipe, the rose box top runs through to be equipped with out the tobacco pipe way, the inside heat exchange tube that is equipped with of heat transfer incasement, heat transfer case right side wall runs through to be equipped with the inlet channel, inlet channel one end is connected with the heat exchange tube water inlet, heat transfer case left side wall runs through to be equipped with outlet conduit, outlet conduit one end is connected with the heat exchange tube delivery port.

Preferably, the right side of the filter box is detachably provided with a box cover, the left side wall of the box cover is provided with a fixed plate, the left side wall of the fixed plate is horizontally provided with two groups of filter plates, the left side wall of each filter plate is provided with a connecting plate, the left side wall of each connecting plate is provided with a clamping block, and the left side wall in the filter box is provided with a clamping groove matched with the clamping block.

Preferably, the upper side and the lower side of the right side wall of the box cover are respectively provided with an adjusting bolt in a penetrating mode, the upper side and the lower side of the right side wall of the filter box are respectively provided with a threaded hole matched with the adjusting bolt, and the right side wall of the box cover is provided with a handle in an installing mode.

Preferably, the heat exchange tubes are in a snake shape, two groups of heat exchange tubes are arranged in the heat exchange box, and water outlet pipelines and water inlet pipelines connected with the two groups of heat exchange tubes are arranged on the left side wall and the right side wall of each heat exchange tube in a penetrating mode.

Preferably, the water outlet pipeline is positioned above the left side wall of the heat exchange box, and the water inlet pipeline is positioned below the right side wall of the heat exchange box.

Preferably, the inner wall of the smoke outlet pipeline is provided with a filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: 1. this practicality is at the high temperature flue gas that mould heating furnace produced and is followed into the heat transfer case from advancing the tobacco pipe way, heats the water in the heat transfer pipe, and hot water can carry out recycle, make full use of the energy, reduced the wasting of resources.

2. This practicality can carry out twice filtration to the dust in the flue gas under the effect of rose box and filter screen, reduces from the concentration of play tobacco pipe exhaust harmful gas, plays air-purifying's effect to can protect the environment not receive the pollution, can separate rose box and case lid under the effect of adjusting bolt and screw hole, conveniently dismantle the filter and wash and change, thereby better to the filter effect of flue gas, the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic diagram of the structure of the filtering box of the present invention.

In the figure: 1. a smoke inlet pipeline; 2. a filter box; 3. a delivery pipe; 4. a water inlet pipe; 5. a heat exchange box; 6. a heat exchange pipe; 7. a water outlet pipeline; 8. a smoke outlet pipeline; 9. a card slot; 10. a clamping block; 11. a connecting plate; 12. a filter plate; 13. a fixing plate; 14. a box cover; 15. a threaded hole; 16. and adjusting the bolt.

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.

Example 1

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a waste heat recovery equipment convenient to change heat transfer module, including

heat transfer case

5, 5 bottom intercommunications of heat transfer case are equipped with conveyer pipe 3, the conveyer pipe 3 top is linked together with the heat transfer case 5 is inside, the conveyer pipe 3 bottom is equipped with rose box 2, the conveyer pipe 3 bottom is linked together with rose box 2 is inside, 2 bottoms of rose box are equipped with into tobacco pipe 1, it is linked together with rose box 2 is inside to advance tobacco pipe 1 top, 2 tops of rose box run through and are equipped with out tobacco pipe 8, the inside heat exchange tube 6 that is equipped with of

heat transfer case

5, 5 right side walls of heat transfer case run through and are equipped with

inlet channel

4, 4 one end of inlet channel is connected with 6 water inlets of heat exchange tube, 5 left side walls of heat transfer case run through and are equipped with

outlet conduit

7, 7 one end of outlet conduit is connected with 6 delivery ports of heat exchange tube,

outlet conduit

7 and 4 outer walls of inlet channel all are equipped with the control valve.

Referring to fig. 1 in this embodiment, the heat exchange tubes 6 are shaped like a snake, so that the flow time of water in the heat exchange tubes 6 is long, and heat in flue gas can be better utilized, two sets of heat exchange tubes 6 are arranged in the heat exchange box 5, the left and right side walls of the heat exchange tubes 6 are respectively provided with the water outlet pipeline 7 and the water inlet pipeline 4 connected with the two sets of heat exchange tubes 6 in a penetrating manner, and the multiple sets of heat exchange tubes 6 are arranged to better utilize resources, so that the waste heat recovery efficiency is high.

In this embodiment, referring to fig. 1, the water outlet pipe 7 is located above the left side wall of the heat exchange box 5, and the water inlet pipe 4 is located below the right side wall of the heat exchange box 5, so that the flowing speed of water in the heat exchange pipe 6 is low, and the heat of the high-temperature flue gas can be better utilized.

In this embodiment, referring to fig. 1, the inner wall of the smoke outlet pipe 8 is provided with a filter screen, which can filter the smoke again, reduce the concentration of harmful gas discharged from the smoke outlet pipe, and purify the air

The working principle is as follows: high-temperature flue gas generated by the heating furnace enters the filter box 2 from the flue gas inlet pipeline 1 to be filtered, then enters the heat exchange box 5 through the delivery pipe 3, enters water into the heat exchange pipe 6 through the water inlet pipeline 4 to perform heat exchange with the high-temperature flue gas to heat, transfers heat in the high-temperature flue gas to the water, and then discharges the heated water from the water outlet pipeline 7, so that the effect of waste heat recovery is achieved, and resources are fully utilized.

Example 2

Referring to fig. 2, this embodiment is different from the first embodiment in that: 2 right sides of rose box can be dismantled and be equipped with

case lid

14, and 14 left side walls of case lid are equipped with

fixed plate

13, and 13 left side walls levels of fixed plate are equipped with two sets of filters 12, and two sets of filters 12 left side walls are equipped with connecting

plate

11, and 11 left side walls of connecting plate are equipped with fixture block 10, and the left side wall is equipped with the draw-in groove 9 with fixture block 10 assorted in the rose box 2.

Adjusting bolts 16 penetrate through the upper side and the lower side of the right side wall of the box cover 14 respectively, threaded holes 15 matched with the adjusting bolts 16 are formed in the upper side and the lower side of the right side wall of the filter box 2 respectively, and a handle is arranged on the right side wall of the box cover 14.

The working principle is as follows: high temperature flue gas that the heating furnace produced can filter impurity and harmful gas in the flue gas under the effect of two sets of filters 12 from advancing tobacco pipe way 1 entering rose box 2 in to can protect the environment not receive the pollution when discharging, can separate case lid 14 and rose box 2 under the effect through adjusting bolt 16 and screw hole 15, then the staff stimulates the handle, can dismantle filter 12 and wash and change, thereby it is better to the filter effect of flue gas.

Claims

1. The utility model provides a waste heat recovery equipment convenient to change heat exchange module, includes heat exchange box (5), its characterized in that: the bottom of the heat exchange box (5) is communicated with a conveying pipe (3), the top of the conveying pipe (3) is communicated with the inside of the heat exchange box (5), the bottom of the conveying pipe (3) is provided with a filter box (2), the bottom of the conveying pipe (3) is communicated with the inside of the filter box (2), the bottom of the filter box (2) is provided with a smoke inlet pipeline (1), the top of the smoke inlet pipeline (1) is communicated with the inside of the filter box (2), the top of the filter box (2) is provided with a smoke outlet pipeline (8) in a penetrating way, a heat exchange pipe (6) is arranged inside the heat exchange box (5), a water inlet pipeline (4) penetrates through the right side wall of the heat exchange box (5), one end of the water inlet pipeline (4) is connected with a water inlet of the heat exchange pipe (6), and a water outlet pipeline (7) penetrates through the left side wall of the heat exchange box (5), and one end of the water outlet pipeline (7) is connected with a water outlet of the heat exchange tube (6).

2. The waste heat recovery device convenient for replacing the heat exchange module according to claim 1, characterized in that: filter tank (2) right side can be dismantled and be equipped with case lid (14), case lid (14) left side wall is equipped with fixed plate (13), fixed plate (13) left side wall level is equipped with two sets of filter (12), and is two sets of filter (12) left side wall is equipped with connecting plate (11), connecting plate (11) left side wall is equipped with fixture block (10), left side wall is equipped with in filter tank (2) and fixture block (10) assorted draw-in groove (9).

3. The waste heat recovery device convenient for replacing the heat exchange module according to claim 2, characterized in that: adjusting bolts (16) penetrate through the upper side and the lower side of the right side wall of the box cover (14) respectively, threaded holes (15) matched with the adjusting bolts (16) are formed in the upper side and the lower side of the right side wall of the filter box (2) respectively, and a handle is arranged on the right side wall of the box cover (14).

4. The waste heat recovery device convenient for replacing the heat exchange module according to claim 1, characterized in that: the heat exchange tube (6) is snakelike, the heat exchange tube (6) is equipped with two sets ofly in heat exchange case (5), the lateral wall runs through respectively about heat exchange tube (6) be equipped with two sets of outlet conduit (7) and inlet channel (4) that heat exchange tube (6) are connected.

5. The waste heat recovery device convenient for replacing the heat exchange module according to claim 1, characterized in that: the water outlet pipeline (7) is positioned above the left side wall of the heat exchange box (5), and the water inlet pipeline (4) is positioned below the right side wall of the heat exchange box (5).

6. The waste heat recovery device convenient for replacing the heat exchange module according to claim 1, characterized in that: and a filter screen is arranged on the inner wall of the smoke outlet pipeline (8).