CN211782875U

CN211782875U - Boiler waste heat recovery device

Info

Publication number: CN211782875U
Application number: CN201921998652.3U
Authority: CN
Inventors: 穆道江; 孙志; 孙彩环; 姜显
Original assignee: Lianyungang Yutai Electric Power Equipment Co ltd
Current assignee: Lianyungang Yutai Electric Power Equipment Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-10-27
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a boiler waste heat recovery device, including outer box, the inside of outer box is equipped with the heating cabinet, be equipped with the sediment interlayer between outer box inner wall and the heating cabinet outer wall, the heating chamber is heated to the heating cabinet inside, outer box one side is equipped with the air duct, the air duct runs through the lateral wall of outer box and heats the chamber through the process. The utility model discloses can let in the heating cabinet with the flue gas after the boiler burning in, water to the heating cabinet in heats, realize effectively retrieving from this that the heat energy in to the flue gas recycles, and finally let in the boiler flue gas the aquatic of deposiing in the interlayer, pollutants such as cinder of large granule are met water and are subsided in the flue gas, borrow this and reduce the degree of exhaust flue gas to environmental pollution, utilize the flue gas still to have certain intensification effect to subsiding interlayer normal water simultaneously, utilize and subside the water after the intensification in the interlayer, can effectively keep warm to the water of heating cabinet, holistic simple structure is practical, and the suitability is strong.

Description

Boiler waste heat recovery device

Technical Field

The utility model relates to a boiler technical field especially relates to a boiler waste heat recovery device.

Background

The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator.

Coal is needed to be used as fuel when a common boiler is operated, however, flue gas generated by coal combustion is discharged into the atmospheric environment, pollution which is difficult to estimate is caused to the environment, and because the flue gas generated after combustion has large heat, direct discharge can cause waste of heat energy resources, so that the problem needs to be solved by relating to a boiler waste heat recovery device.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the mode that current boiler directly discharged flue gas can cause the pollution to the environment to lack and carry out high-efficient recovery to the flue gas heat and recycle's device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a boiler waste heat recovery device comprises an outer box body, wherein a heating box is arranged inside the outer box body, a precipitation interlayer is arranged between the inner wall of the outer box body and the outer wall of the heating box, a heating cavity is arranged inside the heating box, an air guide pipe is arranged on one side of the outer box body and penetrates through the side wall of the outer box body and passes through the heating cavity, one end, located on the inner side of the outer box body, of the air guide pipe extends into the precipitation interlayer, the part, located in the heating cavity, of the air guide pipe is arranged in a zigzag mode, two supporting blocks are symmetrically and fixedly arranged on the outer wall of the heating box, one end, far away from the heating box, of each supporting block is fixedly connected with the inner wall of the outer box body, one end of the outer box body is connected with a water inlet pipe, the water inlet pipe is communicated with the precipitation, and a filter plate is arranged in the gas outlet, a water guide pipe is fixedly arranged at the top end of the heating box, the water guide pipe extends to the outer wall of the top end of the outer box body, two support columns are symmetrically and fixedly arranged at the bottom end of the outer box body, and water is filled in the heating box and the precipitation separation layer.

Preferably, a tin foil layer is fixedly arranged on the inner wall of the heating box.

Preferably, the material of air duct is mainly made of bronze material.

Preferably, the electric stop valve is J941W-16P in model.

Preferably, a sealing cover is in threaded connection with the opening at the top end of the water guide pipe.

The utility model has the advantages that: can let in the heating cabinet with the flue gas after the boiler burning in, water to the heating cabinet in heats, realize effectively retrieving from this that the heat energy to in the flue gas recycles, and finally let in the boiler flue gas the aquatic of deposiing in the interlayer, pollutants such as cinder of big granule are met water and are subsided in the flue gas, borrow this and reduce the degree of exhaust flue gas to environmental pollution, utilize the flue gas to still have certain intensification effect to subsiding interlayer normal water simultaneously, utilize the water after the intensification in subsiding the interlayer, can effectively keep warm to the water of heating cabinet, holistic simple structure is practical, and the suitability is strong.

Drawings

Fig. 1 is a schematic front structural view of a boiler waste heat recovery device provided by the present invention;

fig. 2 is an enlarged view of the structure a in fig. 1.

In the figure: the device comprises a box body 1, a heating box 2, a precipitation interlayer 3, a heating cavity 4, an air duct 5, a supporting block 6, a water inlet pipe 7, a water outlet pipe 8, an electric stop valve 9, a filtering plate 10, a water guide pipe 11 and a supporting column 12.

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.

Referring to fig. 1-2, a boiler waste heat recovery device, comprising an outer case 1, a heating box 2 is arranged inside the outer case 1, a tin foil layer is fixed on the inner wall of the heating box 2, the heat in the heating box 2 is effectively isolated by means of the tin foil layer, so as to prevent the heat energy therein from losing too fast, a precipitation barrier layer 3 is arranged between the inner wall of the outer case 1 and the outer wall of the heating box 2, a heating cavity 4 is arranged inside the heating box 2, both the heating box 2 and the precipitation barrier layer 3 are filled with water, an air duct 5 is arranged on one side of the outer case 1, the air duct 5 is mainly made of bronze material, because the copper material has good heat conductivity, so as to promote the rapid recovery of the heat energy, the air duct 5 penetrates through the side wall of the outer case 1 and passes through the heating cavity 4, one end of the air duct 5, which is positioned inside the outer case 1, extends, the air duct 5 which is arranged in a zigzag manner is utilized, heat in the air duct 5 can conduct water in the heating box 2 fully, finally boiler flue gas is introduced into the water in the sedimentation interlayer 3, a temperature rising effect can be achieved on the water in the boiler flue gas, meanwhile, large-particle coal cinder in the flue gas is subjected to sedimentation filtration by means of the water in the sedimentation interlayer 3, the boiler flue gas is prevented from being discharged to the atmospheric environment directly, two supporting blocks 6 are symmetrically and fixedly arranged on the outer wall of the heating box 2, one ends, far away from the heating box 2, of the supporting blocks 6 are fixedly connected with the inner wall of the outer box 1, one end of the outer box 1 is connected with a water inlet pipe 7, the water inlet pipe 7 is communicated with the sedimentation interlayer 3, one side, far away from the water inlet pipe 7, of the outer box 1 is connected with a water outlet pipe 8, an electric stop valve 9 is arranged on the water outlet pipe 8, and be equipped with filter 10 in the gas outlet, the fixed aqueduct 11 that is equipped with in top of heating cabinet 2, aqueduct 11 extends to the setting of 1 top outer wall of outer box, and threaded connection has sealed lid on the opening of aqueduct 11 top, seals up the water in the heating cabinet 2 and deposits, prevents its heat loss, and the bottom symmetrical fixation of outer box 1 is equipped with two support columns 12.

The utility model discloses in, when using this recovery unit, will deposit all leading-in water source in interlayer 3 and the heating cabinet 2, then the boiler flue gas that will contain heat energy lets in air duct 5, the flue gas is along with air duct 5 flows through heating cabinet 2 afterwards, water to in the heating cabinet 2 heaies up, realize the effective recycle of heat energy, final flue gas lets in the aquatic in depositing interlayer 3, the water that utilizes to deposit in interlayer 3 filters the cinder of large granule in with the flue gas, prevent that it from directly discharging into the atmospheric environment in, when can realize carrying out reasonable recycle with boiler waste heat, can play certain guard action to the surrounding environment again.

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 boiler waste heat recovery device, includes outer box (1), its characterized in that, the inside of outer box (1) is equipped with heating cabinet (2), be equipped with between outer box (1) inner wall and the heating cabinet (2) outer wall and deposit interlayer (3), heating cabinet (2) inside is heating chamber (4), outer box (1) one side is equipped with air duct (5), air duct (5) run through the lateral wall of outer box (1) and through heating chamber (4), the one end that air duct (5) are located outer box (1) inboard extends to deposit the interlayer (3) and set up, the part that air duct (5) are located heating chamber (4) is tortuous state setting, the symmetry is fixed on the outer wall of heating cabinet (2) and is equipped with two supporting shoes (6), the one end that heating cabinet (2) were kept away from to supporting shoe (6) is connected with the inner wall fixed of outer box (1), the one end of outer box (1) is connected with inlet tube (7), inlet tube (7) communicate with each other with deposiing interlayer (3), one side that inlet tube (7) were kept away from in outer box (1) is connected with outlet pipe (8), be equipped with electric stop valve (9) on outlet pipe (8), the top symmetry of outer box (1) is equipped with two gas outlets, and is equipped with filter (10) in the gas outlet, the fixed aqueduct (11) that is equipped with in top of heating cabinet (2), aqueduct (11) extend to outer wall setting in outer box (1) top, just the bottom symmetry of outer box (1) is fixed and is equipped with two support columns (12), all fill water in heating cabinet (2) and the deposiing interlayer (3).

2. The boiler waste heat recovery device according to claim 1, characterized in that a tin foil layer is fixedly arranged on the inner wall of the heating box (2).

3. The boiler waste heat recovery device according to claim 1, wherein the air duct (5) is made of bronze material.

4. A boiler waste heat recovery device according to claim 1, characterized in that the electric stop valve (9) is of the type J941W-16P.

5. The waste heat recovery device of the boiler as claimed in claim 1, wherein a sealing cover is screwed on the top opening of the water guide pipe (11).