CN215929606U

CN215929606U - Coal chemical industry flue gas waste heat recovery device

Info

Publication number: CN215929606U
Application number: CN202122008950.7U
Authority: CN
Inventors: 周宇
Original assignee: Shanghai Shangcheng New Energy Technology Co ltd
Current assignee: Guizhou Shangcheng New Energy Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-01
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a coal chemical industry flue gas waste heat recovery device, which belongs to the technical field of waste heat recovery and comprises a box body, the left side of the box body is provided with an air inlet pipe, the air inlet pipe consists of a first shell, a first filter screen, a first threaded pipe, a second shell, a second filter screen and a second threaded pipe, the utility model provides a coal chemical industry flue gas waste heat recovery device, which is characterized in that a water storage tank is arranged at the top of a tank body, a water pumping pipe is arranged in the water storage tank, the flue gas is introduced into the box body through the air inlet pipe, the water guide pipe in the box body can be fully heated, residents can conveniently use hot water, the first filter screen and the second filter screen are arranged in the air inlet pipe, so that dust in the smoke can be effectively filtered, tiny dust in the flue gas can be effectively filtered in the releasing energy after the flue gas is filtered by introducing the flue gas into the water, and the dust impurities in the flue gas which is released can be effectively prevented from damaging the surrounding ecological environment.

Description

Coal chemical industry flue gas waste heat recovery device

Technical Field

The utility model relates to the technical field of waste heat recovery, in particular to a coal chemical industry flue gas waste heat recovery device.

Background

Coal chemical refers to the process of converting coal into gas, liquid and solid fuels and chemicals by chemical processing using coal as a raw material. Mainly comprises coal gasification, liquefaction, dry distillation, tar processing, calcium carbide acetylene chemical industry and the like. Coal chemical processing. Organic matter's chemical structure in coal, it is the unit core with aromatic main condensed ring, interconnect by the bridging bond, and have the macromolecular structure of various functional groups, through hot working and catalytic processing, can make the coal transform into various fuel and chemical products, at present, the heat recovery utilization ratio of coal chemical industry burning high temperature flue gas is not high, in order to utilize the waste heat energy saving of flue gas, generally be used for the heating with the waste heat of flue gas directly, because the fume emission is too much, only be used for the heating, the flue gas utilization ratio is not high, and cause the jam of its inside pipeline very easily because of a large amount of dusts in the high temperature flue gas, not only influence heating efficiency, still can cause entire system's operation difficulty, very be unfavorable for production.

Patent No. CN206572972U discloses a flue gas waste heat utilization equipment in coal chemical industry, including the flue gas filter chamber, flue gas conical chamber, L type heating pipeline, S type heating pipeline, first flue gas discharge pipe and second flue gas discharge pipe, flue gas filter chamber middle part is provided with the gas circuit interface, the gas circuit interface passes through the recovery pipeline and links to each other with coal chemical industry combustion apparatus, the upper end of flue gas filter chamber is linked together with the lower extreme of flue gas conical chamber, the upper end of flue gas conical chamber is linked together with first flue gas discharge pipe, one side of flue gas conical chamber links to each other with L type heating pipeline 'S one end, L type heating pipeline' S the other end links to each other with S type heating pipeline, S type heating pipeline links to each other with second flue gas discharge pipe. The utility model recovers the coal chemical industry flue gas waste heat and then supplies heat, recycles a large amount of heat, improves the utilization efficiency of the waste heat, greatly reduces the economic cost required by heating in winter of enterprises, and lightens the burden of the enterprises.

The coal chemical industry flue gas waste heat recovery device in the prior art has the following disadvantages: 1. the device can not fully utilize the waste heat generated by the coal chemical industry, and has poor heat exchange efficiency; 2. the device can not filter the dust in the flue gas better and release away again, influences ecological environment, for this reason, we propose a coal chemical industry flue gas waste heat recovery device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coal chemical industry flue gas waste heat recovery device, which can fully heat a water guide pipe in a box body by introducing flue gas into the box body through an air inlet pipe and fixing the moving track of the flue gas in the box body by installing a partition plate in the box body, can conveniently enable residents to use hot water, can effectively filter out larger dust in the flue gas by installing a first filter screen in the air inlet pipe, can effectively filter out smaller dust in the flue gas by installing a second filter screen, can effectively filter out fine dust in the flue gas by releasing the filtered flue gas after introducing the flue gas into water, and can effectively prevent dust impurities in the flue gas from damaging the surrounding ecological environment.

The specific technical scheme provided by the utility model is as follows:

the utility model provides a coal chemical industry flue gas waste heat recovery device which comprises a box body, wherein an air inlet pipe is arranged on the left side of the box body, the air inlet pipe consists of a first shell, a first filter screen, a first threaded pipe, a second shell, a second filter screen and a second threaded pipe, a water storage tank is arranged at the top of the box body, a water pumping pipe is arranged in the water storage tank, a water pump is arranged on the left side of the water pumping pipe, a water guide pipe is arranged on the left side of the water pump, and a valve switch is arranged at the tail end of the water guide pipe.

Optionally, the second threaded pipe is installed on the left side of the box body, the second casing is installed on the left side of the second threaded pipe, the second filter screen is installed inside the second casing, the first threaded pipe is fixedly connected to the right side of the first casing, the first threaded pipe is inserted into the left side of the second casing, and the first filter screen is installed inside the first casing.

Optionally, the air duct is installed on the right side of the box body, the supporting plate is installed at the bottom of the air duct, the water tank is installed at the top of the supporting plate, and the air outlet pipe is installed at the top of the water tank.

Optionally, the water guide pipe is in an S shape inside the box body.

Optionally, the top and the bottom of the interior of the box body are provided with a plurality of groups of partition plates.

The utility model has the following beneficial effects:

the embodiment of the utility model provides a coal chemical industry flue gas waste heat recovery device, which comprises the following components:

1. the intake pipe is installed on the left of the box, let in the intake pipe with coal chemical industry flue gas after, inside the flue gas can advance into first casing, inside the flue gas can advance the second casing through first screwed pipe afterwards, inside the flue gas can enter into the box through the second screwed pipe afterwards, box internally mounted has the baffle, putting of baffle can let the flue gas move along fixed orbit in that the box is inside, can take out the aqueduct with the water in the water storage tank from the drinking-water pipe through the water pump, the aqueduct is S type distribution around the baffle in that the box is inside, the flue gas can heat the aqueduct fully under the effect of baffle, heat exchange efficiency is high, water in the aqueduct is heated the back, can put out hot water through opening the valve switch, can be convenient let the people use hot water.

2. The first filter screen is arranged inside the first shell, the second filter screen is arranged inside the second shell, the first filter screen can filter out dust with larger volume in smoke, the second filter screen can filter out dust with smaller volume in smoke, after the air inlet pipe is used for a long time, the first shell can be detached by rotating the first threaded pipe out of the second shell, the first filter screen can be conveniently cleaned and replaced, the second shell can be detached by rotating the second shell off the second threaded pipe, the second filter screen can be conveniently cleaned and replaced, the smoke can go out from the air guide pipe after entering the box to heat the water guide pipe, the bottom of the air guide pipe is provided with the support plate, the top of the support plate is provided with the water tank, the top of the water tank is provided with the air outlet pipe, the gas in the air guide pipe can enter the water tank, the water in the water tank can filter out fine dust in the smoke, clean flue gas can be discharged from the outlet duct, can not destroy the ecological environment on every side.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a coal chemical industry flue gas waste heat recovery device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air inlet pipe of the coal chemical industry flue gas waste heat recovery device according to the embodiment of the utility model;

in the figure: 1. a box body; 2. a water conduit; 3. a partition plate; 4. an air inlet pipe; 5. a water pump; 6. an air duct; 7. an air outlet pipe; 8. a water tank; 9. a support plate; 10. opening and closing a valve; 11. a first housing; 12. a first filter screen; 13. a first threaded pipe; 14. a second housing; 15. a second filter screen; 16. a second threaded pipe; 17. a water pumping pipe; 18. a water storage tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A coal chemical industry flue gas waste heat recovery device according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 to 2, the coal chemical industry flue gas waste heat recovery device provided by the embodiment of the utility model comprises a box body 1, wherein an air inlet pipe 4 is installed on the left side of the box body 1, the air inlet pipe 4 is composed of a first shell 11, a first filter screen 12, a first threaded pipe 13, a second shell 14, a second filter screen 15 and a second threaded pipe 16, a water storage tank 18 is installed on the top of the box body 1, a water pumping pipe 17 is installed inside the water storage tank 18, a water pump 5 is installed on the left side of the water pumping pipe 17, a water guide pipe 2 is installed on the left side of the water pump 5, and a valve switch 10 is installed at the tail end of the water guide pipe 2.

The example, let in inside box 1 through intake pipe 4 through advancing the flue gas, and the orbit of the fixed flue gas of 3 at box 1 internally mounted baffles of box 1 inside removal, can heat aqueduct 2 to box 1 inside fully, can be convenient let the resident use hot water, can effectually filter great dust in the flue gas through the first filter screen 12 of intake pipe 4 internally mounted, can effectually filter the less dust of volume in the flue gas through installation second filter screen 15, filter the back at the release can effectually filter tiny dust in the flue gas through letting in the flue gas in the aquatic, can effectually prevent that the dust impurity in the flue gas from destroying ecological environment on every side.

Referring to fig. 2, the second threaded pipe 16 is installed at the left side of the cabinet 1, the second housing 14 is installed at the left side of the second threaded pipe 16, and the second filter screen is installed inside the second housing 14, the first threaded pipe 13 is fixedly connected to the right side of the first housing 11, the first threaded pipe 13 is inserted into the left side of the second housing 14, and the first filter screen 12 is installed inside the first housing 11.

Illustratively, the flue gas entering the inlet pipe 4 passes through the first housing 11, the first filter 12, the first threaded pipe 13, the second housing 14, the second filter 15 and the second threaded pipe 16 in sequence, and finally enters the interior of the box body 1.

Referring to fig. 1, an air duct 6 is installed on the right side of the box body 1, a supporting plate 9 is installed at the bottom of the air duct 6, a water tank 8 is installed at the top of the supporting plate 9, and an air outlet pipe 7 is installed at the top of the water tank 8.

In the example, the flue gas can be followed air duct 6 and get into basin 8, and tiny dust particle in the flue gas is filtered to the hydroenergy in the basin 8, and clean flue gas can be followed outlet duct 7 and emitted, can effectually prevent that the dust impurity in the flue gas from destroying ecological environment on every side.

Referring to fig. 1, the water introduction duct 2 has an S shape inside the cabinet 1.

By way of example, the flue gas can be sufficiently heated to the water guide pipe 2 by designing the water guide pipe 2 in an S shape.

Referring to fig. 1, partitions 3 are installed at the top and bottom of the inside of the cabinet 1, and there are a plurality of groups of partitions 3.

For example, the moving track of the flue gas can be effectively fixed by installing a plurality of groups of partition plates 3.

When the gas inlet pipe 4 is used, the gas inlet pipe 4 is arranged at the left side of the box body 1, after the coal chemical industry flue gas is introduced into the gas inlet pipe 4, the flue gas can firstly enter the interior of the first shell body 11, then the flue gas can enter the interior of the second shell body 14 through the first threaded pipe 13, the first filter screen 12 is arranged in the interior of the first shell body 11, the second filter screen 15 is arranged in the interior of the second shell body 14, the first filter screen 12 can filter out dust with larger volume in the flue gas, the second filter screen 15 can filter out dust with smaller volume in the flue gas, after the gas inlet pipe 4 is used for a long time, the first shell body 11 can be disassembled by rotating the first threaded pipe 13 out of the second shell body 14, the first filter screen 12 can be conveniently cleaned and replaced, the second shell body 14 can be disassembled by rotating the second shell body 14 from the second threaded pipe 16, the second filter screen 15 can be conveniently cleaned and replaced, then the flue gas can enter the box body 1 through the second threaded pipe 16, the box body 1 is internally provided with the partition board 3, the partition board 3 can be placed to enable smoke to move along a fixed track in the box body 1, water in the water storage tank 18 can be pumped into the water guide pipe 2 from the water pumping pipe 17 through the water pump 5, the water guide pipe 2 is distributed in an S shape around the partition board 3 in the box body 1, the smoke can fully heat the water guide pipe 2 under the action of the partition board 3, the heat exchange efficiency is high, after the water in the water guide pipe 2 is heated, hot water can be discharged by opening the valve switch 10, people can conveniently use the hot water, the smoke can be discharged from the air guide pipe 6 after entering the box body 1 to heat the water guide pipe 2, the bottom of the air guide pipe 6 is provided with the supporting board 9, the top of the supporting board 9 is provided with the water tank 8, the top of the water tank 8 is provided with the air outlet pipe 7, the air in the air guide pipe 6 can enter the water tank 8, the water in the water tank 8 can filter fine dust in the smoke, clean flue gas can be discharged from the air outlet pipe 7, and the surrounding ecological environment can not be damaged.

The utility model relates to a coal chemical industry flue gas waste heat recovery device, which comprises a box body 1 and a heat exchanger, wherein the box body is provided with a heat exchanger; 2. a water conduit; 3. a partition plate; 4. an air inlet pipe; 5. a water pump; 6. an air duct; 7. an air outlet pipe; 8. a water tank; 9. a support plate; 10. opening and closing a valve; 11. a first housing; 12. a first filter screen; 13. a first threaded pipe; 14. a second housing; 15. a second filter screen; 16. a second threaded pipe; 17. a water pumping pipe; 18. the water storage tank and the components are all universal standard parts or components known by the technicians in the field, and the structure and the principle of the water storage tank and the components are known by the technicians through technical manuals or through routine experimental methods.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims

1. The utility model provides a coal chemical industry flue gas waste heat recovery device, includes box (1), its characterized in that, intake pipe (4) are installed in box (1) left side, intake pipe (4) comprise first casing (11), first filter screen (12), first screwed pipe (13), second casing (14), second filter screen (15) and second screwed pipe (16), storage water tank (18) are installed at box (1) top, storage water tank (18) internally mounted has drinking-water pipe (17), water pump (5) are installed in drinking-water pipe (17) left side, aqueduct (2) are installed in water pump (5) left side, valve switch (10) are installed to aqueduct (2) end.

2. The coal chemical industry flue gas waste heat recovery device according to claim 1, wherein the second threaded pipe (16) is installed on the left side of the box body (1), the second casing (14) is installed on the left side of the second threaded pipe (16), the second filter screen is installed inside the second casing (14), the first threaded pipe (13) is fixedly connected to the right side of the first casing (11), the first threaded pipe (13) is inserted into the left side of the second casing (14), and the first filter screen (12) is installed inside the first casing (11).

3. The coal chemical industry flue gas waste heat recovery device according to claim 1, wherein the right side of the box body (1) is provided with the gas guide pipe (6), the bottom of the gas guide pipe (6) is provided with the support plate (9), the top of the support plate (9) is provided with the water tank (8), and the top of the water tank (8) is provided with the gas outlet pipe (7).

4. The coal chemical industry flue gas waste heat recovery device according to claim 1, wherein the water guide pipe (2) is S-shaped inside the box body (1).

5. The coal chemical industry flue gas waste heat recovery device according to claim 1, wherein the top and the bottom of the inside of the box body (1) are provided with a plurality of groups of partition plates (3), and the partition plates (3) are provided with a plurality of groups of partition plates.