CN213713111U

CN213713111U - Natural gas flue gas purification waste heat recovery system

Info

Publication number: CN213713111U
Application number: CN202022445477.4U
Authority: CN
Inventors: 李延平; 孙奉仲; 许庆涛; 翟现刚; 刘德; 李燕宾; 黄振波
Original assignee: Shandong Dai Rong Energy Saving Environmental Protection Technology Co ltd
Current assignee: Shandong Dai Rong Energy Saving Environmental Protection Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-16
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a natural gas flue gas purification waste heat recovery system in the technical field of natural gas waste heat recovery, which comprises a tank body and a condenser pipe, wherein the upper end of the tank body is in threaded connection with a connecting pipe, the upper end of the connecting pipe is fixedly connected with the condenser pipe, the upper end of the condenser pipe is in threaded connection with an external pipe I, the tank body is internally and fixedly connected with a heat preservation layer, and the middle part of the heat preservation layer is fixedly connected with a heat absorption metal strip in an array way, in the utility model, when the device is connected with external equipment, the heat energy absorption in the flue gas is effectively carried out through the heat preservation layer arranged at the middle part of the tank body and the heat absorption metal strip, and a water storage box fixedly connected with a water guide pipe connected with a heat exchange pipe arranged in the middle is matched, when the water in the heat exchange pipe is loaded with, the use efficiency of the heat exchange tube is increased, and the waste heat utilization rate in the flue gas is increased.

Description

Natural gas flue gas purification waste heat recovery system

Technical Field

The utility model relates to a natural gas waste heat recovery technical field specifically is a natural gas cleaning waste heat recovery system.

Background

The natural gas is used as energy, so that the consumption of coal and petroleum can be reduced, and the problem of environmental pollution is greatly improved; as a clean energy, the natural gas can reduce the emission of sulfur dioxide and dust by nearly 100 percent, reduce the emission of carbon dioxide by 60 percent and reduce the emission of nitrogen oxide by 50 percent, is favorable for reducing the formation of acid rain, relieves the global greenhouse effect and fundamentally improves the environmental quality. The main component of natural gas is methane, the flue gas after combustion contains a large amount of water vapor, the proportion of the latent heat of vaporization of the water vapor to the high-level calorific value of the natural gas is as high as about 10%, and the heat is directly discharged into the atmosphere as waste heat. The latent heat of vaporization of the water vapor in the flue gas is recycled, so that the heat efficiency of the system can be greatly improved, and the consumption of natural gas is reduced. In addition, natural gas flue gas also contains certain sulfides and nitrides, and the natural gas flue gas directly discharged into the atmosphere can cause great pollution to air, so the natural gas flue gas can be discharged after being treated.

The existing flue gas waste heat recovery processing device mainly adopts a waste heat absorption heat pump or a waste heat boiler to recover waste heat, and the equipment can also generate heat in the using process to cause heat loss, so that the heat efficiency is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas cleaning waste heat recovery system 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:

including a jar body and condenser pipe, jar body upper end threaded connection has the connecting pipe, connecting pipe upper end fixedly connected with condenser pipe, condenser pipe upper end threaded connection has external pipe one, the internal portion fixedly connected with heat preservation of jar, heat preservation middle part array fixedly connected with heat absorption metal strip, the thread groove has been seted up to jar body upper and lower both ends symmetry, and thread groove threaded connection has mounting one and mounting two respectively, mounting one and two middle part array fixedly connected with fixed plates of mounting, fixed plate middle part fixedly connected with screw ring, screw ring inside threaded connection has the aqueduct, aqueduct one side fixedly connected with heat exchange tube, aqueduct opposite side fixedly connected with water storage box.

As a further aspect of the present invention: the upper end of the water storage tank is connected with a filter through a hose, and the middle part of the filter is fixedly connected with a filtering ring.

As a further aspect of the present invention: one side of the filter is fixedly connected with a water storage pipe through a hose, and the water storage pipe is fixedly connected to the condensation pipe.

As a further aspect of the present invention: the condenser pipe middle part array fixedly connected with condensation piece, the upper surface array of condensation piece has seted up the guiding gutter.

As a further aspect of the present invention: the lower end of the condensing sheet is fixedly connected with a guide plate, and one end of the guide plate, far away from the condensing sheet, is fixedly connected with a water storage pipe.

As a further aspect of the present invention: the lower end of the tank body is fixedly connected with an external pipe II, and the external pipe II and the external pipe I are conical connectors.

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

1. the utility model discloses in, through being connected this device with external equipment, the heat preservation that sets up through jar body middle part is absorbed with the effectual heat energy that carries out in the flue gas of heat absorption metal strip, the leading water pipe fixed connection's that the heat exchange tube put in the cooperation is connected water storage box, when water in the heat exchange tube loads the overheat in jar body, through being linked together with the water storage box, make during cold water in the water storage box flows into the heat exchange tube, hot water in the heat exchange tube flows into in the water storage box, form the circulation heating, increase the availability factor of heat exchange tube, increase the waste heat utilization in the flue gas simultaneously.

2. The utility model discloses in, make the condensation piece surface form the water droplet when the flue gas flows in through the condensation piece that condenser pipe middle part set up, during cooperation guiding gutter and the water storage pipe that connects flowed into the filter, the filtration ring in the cooperation filter filters, in flowing into the water storage tank once more with filterable water, the flow of recycling is retrieved to the steam that produces after the abundant utilization natural gas burning, is of value to this device in the recycle of waste heat environmental protection more.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a condenser tube according to the present invention;

fig. 4 is a schematic structural diagram of the heat exchange tube of the present invention.

In the figure: 1. a tank body; 2. a connecting pipe; 3. a water storage tank; 4. a condenser tube; 5. a filter; 6. a water storage pipe; 7. an external connection pipe I; 8. a second external connecting pipe; 9. a filtering ring; 10. a first fixing part; 11. a second fixing part; 12. a heat exchange pipe; 13. a water conduit; 14. a threaded ring; 15. a fixing plate; 16. a condensation sheet; 17. a water chute; 18. a baffle; 19. a heat absorbing metal strip; 20. a thread groove; 21. and (7) an insulating layer.

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.

Referring to fig. 1-4, in the embodiment of the present invention, a natural gas flue gas purification waste heat recovery system comprises a tank body 1 and a condenser pipe 4, wherein the upper end of the tank body 1 is connected with a connecting pipe 2 by a screw thread, the upper end of the connecting pipe 2 is fixedly connected with the condenser pipe 4, the upper end of the condenser pipe 4 is connected with an external connection pipe one 7 by a screw thread, the interior of the tank body 1 is fixedly connected with a heat insulation layer 21, the middle array of the heat insulation layer 21 is fixedly connected with a heat absorption metal strip 19, the upper and lower ends of the tank body 1 are symmetrically provided with a threaded groove 20, the threaded groove 20 is respectively connected with a first fixing member 10 and a second fixing member 11 by a screw thread, the middle array of the first fixing member 10 and the second fixing member 11 is fixedly connected with a fixing plate 15, the middle of the fixing plate 15, through being connected this device with external equipment, heat energy in the flue gas is absorbed in the effectual heat absorption that carries on of heat preservation 21 and heat absorption metal strip 19 that set up through jar body 1 middle part, the water storage box 3 of aqueduct 13 fixed connection that the heat exchange tube 12 that puts in the cooperation is connected, when the water in the heat exchange tube 12 loads in jar body 1 overheated, through being linked together with water storage box 3, make during cold water in the water storage box 3 flows into heat exchange tube 12, hot water in the heat exchange tube 12 flows into water storage box 2, form the circulation heating, increase the availability factor of heat exchange tube, increase the waste heat utilization ratio in the flue gas simultaneously.

The upper end of the water storage tank 3 is connected with a filter 5 through a hose, the middle part of the filter 5 is fixedly connected with a filtering ring 9, one side of the filter 5 is fixedly connected with a water storage pipe 6 through a hose, the water storage pipe 6 is fixedly connected to a condenser pipe 4, the middle part of the condenser pipe 4 is fixedly connected with a condenser plate 16 in an array manner, the upper surface of the condenser plate 16 is provided with a flow guide groove 17 in an array manner, the lower end of the condenser plate 16 is fixedly connected with a flow guide plate 18, one end of the flow guide plate 18 far away from the condenser plate 16 is fixedly connected with the water storage pipe 6, the lower end of the tank body 1 is fixedly connected with; make the 16 surface of condensation piece form the water droplet when the flue gas flows in through condensation duct 4 middle part setting condensation piece 16, during cooperation guiding gutter 17 and the water storage pipe 6 that connects flowed into filter 5, filter ring 9 in the cooperation filter 5 filters, flow into water storage box 3 once more with filterable water, the flow of recycling is retrieved to the steam that produces after the abundant utilization natural gas burning, is of value to this device in the recycle of waste heat environmental protection more.

The utility model discloses a theory of operation is: when in use, the device is connected with external equipment, the heat energy in the flue gas is effectively absorbed through the heat insulation layer 21 arranged at the middle part of the tank body 1 and the heat absorption metal strip 19, the water storage tank 3 fixedly connected with the water guide pipe 13 connected with the heat exchange pipe 12 arranged in the middle is matched, when the water in the heat exchange pipe 12 is loaded and overheated in the tank body 1, the cold water in the water storage tank 3 flows into the heat exchange pipe 12 through being communicated with the water storage tank 3, the hot water in the heat exchange pipe 12 flows into the water storage tank 2 to form cyclic heating, the use efficiency of the heat exchange pipe is increased, the waste heat utilization rate in the flue gas is increased, the surface of the condensing sheet 16 is formed into water drops through the condensing sheet 16 arranged at the middle part of the condensing pipe 4 when the flue gas flows in, the water drops are formed through matching with the water guide groove 17 and the connected water storage pipe 6 to flow into the filter 5, the filtering, the flow of recycling is carried out to the steam that abundant utilization natural gas produced after the burning, is of value to this device at the recycle of waste heat environmental protection more.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a natural gas cleaning waste heat recovery system, includes jar body (1) and condenser pipe (4), its characterized in that: the water tank is characterized in that the upper end of the tank body (1) is in threaded connection with a connecting pipe (2), the upper end of the connecting pipe (2) is fixedly connected with a condenser pipe (4), the upper end of the condenser pipe (4) is in threaded connection with an external pipe I (7), the tank body (1) is fixedly connected with a heat insulation layer (21), the heat insulation layer (21) is fixedly connected with a heat absorption metal strip (19) in the middle of the array, thread grooves (20) are symmetrically formed in the upper end and the lower end of the tank body (1), the thread grooves (20) are respectively in threaded connection with a fixing piece I (10) and a fixing piece II (11), the fixing piece I (10) and the fixing piece II (11) are fixedly connected with a fixing plate (15) in the middle of the array, a thread ring (14) is fixedly connected with the middle of the fixing plate (, the other side of the water guide pipe (13) is fixedly connected with a water storage tank (3).

2. The natural gas flue gas purification waste heat recovery system of claim 1, characterized in that: the water storage tank (3) is connected with a filter (5) at the upper end through a hose, and a filtering ring (9) is fixedly connected to the middle part of the filter (5).

3. The natural gas flue gas purification waste heat recovery system of claim 2, characterized in that: one side of the filter (5) is fixedly connected with a water storage pipe (6) through a hose, and the water storage pipe (6) is fixedly connected to the condensation pipe (4).

4. The natural gas flue gas purification waste heat recovery system of claim 1, characterized in that: condenser pipe (4) middle part array fixedly connected with condensation piece (16), guiding gutter (17) have been seted up to condensation piece (16) upper surface array.

5. The natural gas flue gas purification waste heat recovery system of claim 4, characterized in that: the lower end of the condensing sheet (16) is fixedly connected with a guide plate (18), and one end of the guide plate (18) far away from the condensing sheet (16) is fixedly connected with a water storage pipe (6).

6. The natural gas flue gas purification waste heat recovery system of claim 1, characterized in that: the lower end of the tank body (1) is fixedly connected with an external pipe II (8), and the external pipe II (8) and the external pipe I (7) are conical connectors.