CN219177728U

CN219177728U - Waste heat recovery composite utilization device

Info

Publication number: CN219177728U
Application number: CN202320048145.3U
Authority: CN
Inventors: 韩振民
Original assignee: Shaanxi Longdou Geothermal Development Co ltd
Current assignee: Shaanxi Longdou Geothermal Development Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-06-13
Anticipated expiration: 2033-01-07

Abstract

The utility model relates to the technical field of waste heat recovery equipment, and discloses a waste heat recovery and composite utilization device which comprises a base, wherein a treatment box is fixedly arranged on the upper surface of the base, a storage box is arranged on one side of the upper surface of the base, which is positioned on the treatment box, an air inlet pipe is arranged on the outer wall of the lower end of the treatment box, the upper end of the air inlet pipe extends to the inside of the treatment box and is connected with a combustion chamber, a first recovery component is arranged outside the combustion chamber, water can be supplied to the inside of an inlet and outlet water pipe through a water supply system, so that water enters the inside of a heat exchange cavity through a plurality of connecting pipes, a large amount of heat can be absorbed and recycled through the arrangement of the heat recovery box and the heat exchange cavity outside the combustion chamber, the heat conduction efficiency can be further improved through the arrangement of the end part of a heat conducting sheet in the combustion chamber, the heat generated by combustion is conducted into water in the heat exchange cavity, and the heat is further recovered and prevented from being directly discharged into the atmosphere.

Description

Waste heat recovery composite utilization device

Technical Field

The utility model relates to the technical field of waste heat recovery equipment, in particular to a waste heat recovery composite utilization device.

Background

In a work scene such as a printing shop, a large amount of VOC-containing exhaust gas exists in the printing shop due to volatilization of a solvent or the like. VOCs are English abbreviations of volatile organic compounds, VOCs in the general sense refer to volatile organic compounds, but the definition in the environmental sense refers to active volatile organic compounds, i.e. volatile organic compounds which can produce harm. VOC waste gas is poisonous and harmful gas, and is released in the air to cause serious environmental pollution, and if the human body contacts or inhales for a long time, serious harm can be brought to a nervous system and a hematopoiesis function, even canceration and other serious diseases are caused until death, and the waste gas is mainly treated by a combustion mode when being treated.

In the process of burning waste gas, a large amount of heat is generated, if the heat generated by burning cannot be recycled, the heat is directly discharged into the atmosphere, the living environment of the earth is influenced, a large amount of heat energy resources are wasted, and therefore, the waste heat recycling composite utilization device is provided.

Disclosure of Invention

The utility model provides a waste heat recovery and composite utilization device, which solves the technical problems that if heat generated by combustion cannot be recovered and utilized, the heat is directly discharged into the atmosphere, the living environment of the earth is affected, and a large amount of heat energy resources are wasted.

In order to solve the technical problems, the waste heat recovery composite utilization device provided by the utility model comprises a base, wherein a treatment box is fixedly arranged on the upper surface of the base, a storage box is arranged on one side of the upper surface of the base, which is positioned on the treatment box, an air inlet pipe is arranged on the outer wall of the lower end of the treatment box, the upper end of the air inlet pipe extends into the treatment box and is connected with a combustion chamber, a first recovery assembly is arranged outside the combustion chamber, the upper end of the combustion chamber is connected with a conveying pipe, and the upper end of the conveying pipe extends to the outside of the first recovery assembly and is connected with a second recovery assembly.

Preferably, the first recovery assembly comprises a heat recovery tank, the heat recovery tank is sleeved outside the combustion chamber, and the heat recovery tank is fixedly installed inside the treatment tank.

Preferably, a plurality of partition plates are installed in the heat recovery box at equal intervals, and the heat recovery box is internally divided into a plurality of heat exchange cavities by the plurality of partition plates.

Preferably, two ends of each heat exchange cavity are connected with connecting pipes, a plurality of connecting pipes positioned at two ends of each heat exchange cavity are respectively connected with two water inlet and outlet pipes, one water inlet and outlet pipe is connected with the storage box, and the other water inlet and outlet pipe is connected with the water supply system.

Preferably, a plurality of heat conducting fins are arranged in the heat exchange cavity, and the ends of the heat conducting fins extend into the combustion chamber.

Preferably, the second recovery assembly comprises a stagnation box which is arranged inside the treatment box and connected to the upper end of the conveying pipe, and the inner diameter of the stagnation box is larger than that of the conveying pipe.

Preferably, a plurality of spiral heat exchange tubes are fixedly arranged in the stagnation box, two ends of each spiral heat exchange tube are respectively communicated with a water inlet and drain pipe through a connecting end, and the ends of the water inlet and drain pipes extend to the outside of the treatment box.

Compared with the related art, the waste heat recovery composite utilization device provided by the utility model has the following beneficial effects:

when the heat-conducting device is used, water can be supplied to the water inlet and outlet pipes through the water supply system, so that the water enters the heat exchange cavity through a plurality of connecting pipes, a large amount of heat can be absorbed outside the combustion chamber through the heat recovery box and the heat exchange cavity for recycling, the heat conduction efficiency can be further improved through the arrangement of the end parts of the heat-conducting sheets in the combustion chamber, the heat generated by combustion is conducted to the water in the heat exchange cavity, the heat is further recycled, and the direct discharge into the atmosphere is avoided;

the waste gas after burning accessible conveyer pipe gets into the stagnation case inside, is greater than the conveyer pipe external diameter through stagnation case internal diameter, can further reduce air flow rate for the air slowly passes through the stagnation case, carries out the secondary heat transfer through the water of spiral heat exchange tube, can further reduce the heat in the waste gas, promotes the recycle rate of waste heat.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a waste heat recovery and composite utilization device;

FIG. 2 is a schematic top view of a waste heat recovery composite utilization device;

FIG. 3 is a schematic view of the cross-section at A-A in FIG. 2 of a waste heat recovery and composite utilization device;

FIG. 4 is an enlarged schematic view of the waste heat recovery and composite utilization device at B in FIG. 3;

fig. 5 is an enlarged schematic view of the structure of the waste heat recovery and composite utilization device at C in fig. 3.

Reference numerals in the drawings: 1. a base; 2. a treatment box; 3. a storage tank; 4. an air inlet pipe; 5. a combustion chamber; 51. a delivery tube; 6. a first recovery assembly; 61. a heat recovery tank; 62. a partition plate; 63. a heat exchange cavity; 64. a heat conductive sheet; 65. a connecting pipe; 66. a water inlet pipe and a water outlet pipe; 7. a second recovery assembly; 71. a stagnation box; 72. a spiral heat exchange tube; 73. a connection end; 74. and a water inlet and outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1-5, the waste heat recovery composite utilization device of the utility model comprises a base 1, a treatment box 2 is fixedly arranged on the upper surface of the base 1, a storage box 3 is arranged on one side of the upper surface of the base 1, which is positioned on the treatment box 2, an air inlet pipe 4 is arranged on the outer wall of the lower end of the treatment box 2, the upper end of the air inlet pipe 4 extends into the treatment box 2 and is connected with a combustion chamber 5, a first recovery component 6 is arranged outside the combustion chamber 5, a conveying pipe 51 is connected with the upper end of the combustion chamber 5, and the upper end of the conveying pipe 51 extends to the outside of the first recovery component 6 and is connected with a second recovery component 7.

In this embodiment, the first recovery assembly 6 includes a heat recovery tank 61, the heat recovery tank 61 is sleeved on the outer side of the combustion chamber 5, the heat recovery tank 61 is fixedly installed inside the treatment tank 2, a plurality of partition boards 62 are installed inside the heat recovery tank 61 at equal intervals, the inside of the heat recovery tank 61 is divided into a plurality of heat exchange cavities 63 by a plurality of partition boards 62, two ends of each heat exchange cavity 63 are connected with a connecting pipe 65, a plurality of connecting pipes 65 positioned at two ends of each heat exchange cavity 63 are respectively connected with two water inlet and outlet pipes 66, one water inlet and outlet pipe 66 is connected with the storage tank 3, the other water inlet and outlet pipe 66 is connected with a water supply system, waste gas can enter the combustion chamber 5 through the air inlet pipe 4, work of burning treatment waste gas is performed, water can be supplied to the inside of the water inlet and outlet pipes 66 through the plurality of connecting pipes 65, and a large amount of heat can be absorbed and recycled outside the combustion chamber 5 through the arrangement of the heat recovery tank 61 and the heat exchange cavities 63.

In this embodiment, the heat exchange cavity 63 internally installs a plurality of heat conducting fins 64, and the end portion of the heat conducting fin 64 extends to the inside of the combustion chamber 5, and the heat conducting efficiency can be further improved by arranging the end portion of the heat conducting fin 64 inside the combustion chamber 5, and the heat generated by combustion is conducted into the water inside the heat exchange cavity 63.

In the second embodiment, based on the first embodiment, the second recovery assembly 7 includes a stagnation box 71, the stagnation box 71 is disposed inside the treatment box 2 and is connected to the upper end of the conveying pipe 51, the inner diameter of the stagnation box 71 is larger than the inner diameter of the conveying pipe 51, a plurality of spiral heat exchange pipes 72 are fixedly installed inside the stagnation box 71, two ends of each spiral heat exchange pipe 72 are respectively communicated with a water inlet and outlet pipe 74 through a connecting end 73, the ends of the water inlet and outlet pipes 74 extend to the outside of the treatment box 2, combusted waste gas can enter the inside of the stagnation box 71 through the conveying pipe 51, the inner diameter of the stagnation box 71 is larger than the outer diameter of the conveying pipe 51, the air flow speed can be further reduced, the air slowly passes through the stagnation box 71, and secondary heat exchange is performed on water passing through the spiral heat exchange pipes 72, so that the heat in the waste gas can be further reduced, and the residual heat utilization rate is improved.

Working principle:

when the combustion chamber is used, waste gas can enter the combustion chamber 5 through the air inlet pipe 4 to perform combustion treatment waste gas, water can be supplied to the water inlet and outlet pipe 66 through the water supply system, so that water enters the heat exchange cavity 63 through the plurality of connecting pipes 65, a large amount of heat can be absorbed and recycled outside the combustion chamber 5 through the heat recovery box 61 and the heat exchange cavity 63, the heat conduction efficiency can be further improved through the arrangement of the end parts of the heat conduction fins 64 in the combustion chamber 5, the heat generated by combustion is conducted to the water in the heat exchange cavity 63, and the heat is further recycled, so that the heat is prevented from being directly discharged into the atmosphere;

the waste gas after combustion can enter the stagnation box 71 through the conveying pipe 51, the inner diameter of the stagnation box 71 is larger than the outer diameter of the conveying pipe 51, the air flow speed can be further reduced, air slowly passes through the stagnation box 71, secondary heat exchange is carried out on water passing through the spiral heat exchange pipe 72, heat in the waste gas can be further reduced, and the waste heat utilization rate is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a waste heat recovery composite utilization device, includes base (1), the last fixed surface of base (1) installs handles case (2), bin (3) are installed in one side that the upper surface of base (1) is located handles case (2), its characterized in that: the utility model discloses a treatment box, including processing case (2), combustion chamber (5), gas inlet pipe (4) are installed to the lower extreme outer wall of processing case (2), the upper end of gas inlet pipe (4) extends to processing case (2) inside and is connected with combustion chamber (5), combustion chamber (5) externally mounted has first recovery subassembly (6), the upper end of combustion chamber (5) is connected with conveyer pipe (51), the upper end of conveyer pipe (51) extends to first recovery subassembly (6) outside and is connected with second recovery subassembly (7).

2. The waste heat recovery composite utilization device according to claim 1, wherein the first recovery assembly (6) comprises a heat recovery box (61), the heat recovery box (61) is sleeved outside the combustion chamber (5), and the heat recovery box (61) is fixedly installed inside the treatment box (2).

3. The waste heat recovery composite utilization device according to claim 2, wherein a plurality of partition plates (62) are installed in the heat recovery box (61) at equal intervals, and the interior of the heat recovery box (61) is divided into a plurality of heat exchange cavities (63) by the plurality of partition plates (62).

4. A waste heat recovery composite utilization device according to claim 3, wherein two ends of each heat exchange cavity (63) are connected with connecting pipes (65), a plurality of connecting pipes (65) positioned at two ends of each heat exchange cavity (63) are respectively connected with two water inlet and outlet pipes (66), one water inlet and outlet pipe (66) is connected with the storage box (3), and the other water inlet and outlet pipe (66) is connected with a water supply system.

5. The waste heat recovery composite utilization device according to claim 4, wherein a plurality of heat conducting fins (64) are arranged in the heat exchange cavity (63), and the ends of the heat conducting fins (64) extend into the combustion chamber (5).

6. The waste heat recovery composite utilization device according to claim 1, wherein the second recovery assembly (7) comprises a stagnation box (71), the stagnation box (71) is arranged inside the treatment box (2) and is connected to the upper end of the conveying pipe (51), and the inner diameter of the stagnation box (71) is larger than the inner diameter of the conveying pipe (51).

7. The waste heat recovery composite utilization device according to claim 6, wherein a plurality of spiral heat exchange pipes (72) are fixedly installed inside the stagnation box (71), two ends of each spiral heat exchange pipe (72) are respectively communicated with a water inlet and drainage pipe (74) through a connecting end (73), and the end parts of the water inlet and drainage pipes (74) are all extended to the outside of the treatment box (2).