Integrated equipment with denitration and waste heat recovery functions

Abstract

The utility model discloses integrated equipment with denitration and waste heat recovery, and relates to the technical field of purification and waste heat recovery treatment.The integrated equipment with denitration and waste heat recovery is characterized in that firstly, a denitration device body is used for carrying out denitration operation, so that high-temperature heat generated on the surface of the denitration device body is converted into high-temperature heat; the liquid pump is used for driving a liquid medium to enter the heat exchange pipes, the heat exchange fins are matched to enlarge the heat exchange area, absorption of heat transferred by the heat exchange plates is accelerated, the heat-containing medium is conveyed to the waste heat recovery device body through the liquid outlet pipe, heat energy recovery of the denitration device body is completed, the utilization rate of energy is increased, and the energy utilization rate is increased. According to the integrated equipment for denitration and waste heat recovery, sewage generated in the denitration operation process is discharged through the blow-off pipe, impurities and harmful substances in the denitration sewage are preliminarily adsorbed by utilizing the good adsorption performance of the filter element I and the filter element II, and the denitration sewage is subjected to centralized treatment in cooperation with the sewage concentration tank, so that the environmental protection property of the integrated equipment for denitration and waste heat recovery is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of purification and waste heat recovery treatment, in particular to an integrated device with denitration and waste heat recovery. Background Art

[0002] Denitrification is the process of removing nitrogen oxides from combustion flue gas to prevent environmental pollution. Nitrogen oxides can cause photochemical reactions under the action of sunlight, forming photochemical smog, which causes serious air pollution. Since the 1970s, the problem of atmospheric pollution caused by nitrogen oxides has been increasingly valued. The flue gas of thermal power plants contains a large amount of nitrogen oxides. If not treated, these waste gases will be discharged into the atmosphere and cause pollution and acid rain. In order to further reduce the emission of nitrogen oxides, the flue gas after combustion must be denitrified. The flue gas denitrification equipment of thermal power plants is a device used to treat nitrogen oxides.

[0003] Existing denitrification equipment generates a large amount of heat when working, but most of the denitrification equipment has certain limitations in the treatment of excess heat energy, making it difficult to recycle the heat energy, resulting in a large amount of heat energy waste and reducing energy utilization. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an integrated device with denitrification and waste heat recovery to solve the problem mentioned in the above background technology that the existing denitrification equipment will generate a large amount of heat when working, but most of the denitrification equipment has certain limitations in the treatment of excess heat energy, and it is difficult to achieve the recovery and utilization of heat energy, resulting in a large amount of heat energy waste and reducing the energy utilization rate.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an integrated device with denitration and waste heat recovery, comprising a base, a denitration device body is fixedly installed on the upper end of the base, a heat exchange box is fixedly installed on the front end of the denitration device body, the inner surface of the heat exchange box is fixedly connected to a heat insulation layer 1, the inner surface of the heat insulation layer 1 is fixedly connected to a heat insulation board layer, a heat exchange tube is arranged inside the heat insulation board layer, a heat exchange fin is fixedly installed on the surface of the heat exchange tube, a heat exchange plate is fixedly installed on the rear end of the heat exchange fin, and one end of the heat exchange tube is fixedly connected to A liquid inlet pipe is connected, and the other end of the heat exchange tube is fixedly connected to a liquid outlet pipe. The lower ends of the liquid inlet pipe and the liquid outlet pipe extend to the outside of the heat exchange box and are fixedly connected to the waste heat recovery device body. The lower side of the right end of the denitrification device body is fixedly connected to a sewage discharge pipe, the right end of the sewage discharge pipe is fixedly connected to a sewage filter box, the right end of the sewage filter box is fixedly connected to a connecting pipe, the right end of the connecting pipe is fixedly installed with a sewage concentration box, the upper end of the sewage filter box is provided with a cover plate, the left side of the sewage filter box is provided with a filter element 1, and the right side of the sewage filter box is provided with a filter element 2.

[0006] Preferably, the thermal insulation layer 1 is made of glass wool, and the thermal insulation board layer is made of polyurethane board.

[0007] Preferably, the heat exchange fins are evenly distributed and fixedly connected to the heat insulation board layer.

[0008] Preferably, the rear end of the heat exchange plate extends to the outside of the heat exchange box and is closely connected to the denitration device body, and the heat exchange plate is fixedly connected to the heat exchange box.

[0009] Preferably, a liquid pump is provided on the surface of the liquid inlet pipe, and a second insulation layer is fixedly connected to the surface of the liquid outlet pipe, and the second insulation layer is made of rock wool.

[0010] Preferably, the first filter element is made of bamboo charcoal, and the second filter element is made of activated carbon.

[0011] Preferably, the filter element 1 and the filter element 2 are both slidably connected to the sewage filter box, and the sewage filter box is detachably connected to the cover plate.

[0012] Beneficial Effects

[0013] The utility model provides an integrated device with denitration and waste heat recovery. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The integrated equipment with denitration and waste heat recovery first performs denitration operation through the denitration device body, so that the high-temperature heat generated on the surface of the denitration device body is driven by a liquid pump to drive the liquid medium into the heat exchange tube, and the heat exchange fins are used to expand the heat exchange area, accelerate the absorption of heat transferred by the heat exchange plate, and transport the heat-containing medium to the waste heat recovery device body through the liquid outlet pipe, so as to complete the recovery of the heat energy of the denitration device body, which is beneficial to improve the utilization rate of energy. In the process of heat recovery, the insulation layer is made of glass wool and the insulation board layer is made of polyurethane board, which is convenient to increase the insulation performance of the heat exchange box, greatly reduce the loss of heat, and is beneficial to improve the heat recovery efficiency.

[0015] 2. The integrated equipment with denitrification and waste heat recovery discharges the sewage generated during the denitrification operation through the sewage pipe, and uses the good adsorption performance of filter element 1 and filter element 2 to preliminarily adsorb impurities and harmful substances in the denitrification sewage, and then cooperates with the sewage concentration box to centrally treat the denitrification sewage, which is beneficial to improve the environmental protection of the integrated equipment with denitrification and waste heat recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the heat exchange box structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the sewage filter box of the utility model.

[0020] In the figure: 1. Base; 2. Denitrification device body; 3. Heat exchange box; 4. Insulation layer one; 5. Insulation board layer; 6. Heat exchange tube; 7. Heat exchange fin; 8. Heat exchange plate; 9. Liquid inlet pipe; 10. Liquid outlet pipe; 11. Waste heat recovery device body; 12. Drain pipe; 13. Sewage filter box; 14. Connecting pipe; 15. Sewage collection box; 16. Cover plate; 17. Filter element one; 18. Filter element two; 19. Liquid pump; 20. Insulation layer two. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: an integrated device with denitration and waste heat recovery, including a base 1, a denitration device body 2 is fixedly installed on the upper end of the base 1, a heat exchange box 3 is fixedly installed on the front end of the denitration device body 2, the inner surface of the heat exchange box 3 is fixedly connected with a thermal insulation layer 1 4, the inner surface of the thermal insulation layer 1 4 is fixedly connected with a thermal insulation board layer 5, the thermal insulation layer 1 4 is made of glass wool, the thermal insulation board layer 5 is made of polyurethane board material, the surface of the liquid outlet pipe 10 is fixedly connected with a thermal insulation layer 2 20, the thermal insulation layer 20 is made of rock wool, in the process of heat recovery, by making the thermal insulation layer 1 4 of glass wool material and the thermal insulation board layer 5 of polyurethane board material, it is convenient to increase the thermal insulation performance of the heat exchange box 3, greatly reduce the loss of heat, and help improve the heat recovery efficiency;

[0023] A heat exchange tube 6 is arranged inside the heat insulation board layer 5, and a heat exchange fin 7 is fixedly installed on the surface of the heat exchange tube 6. A heat exchange plate 8 is fixedly installed at the rear end of the heat exchange fin 7. One end of the heat exchange tube 6 is fixedly connected to a liquid inlet pipe 9, and the other end of the heat exchange tube 6 is fixedly connected to a liquid outlet pipe 10. The lower ends of the liquid inlet pipe 9 and the liquid outlet pipe 10 are extended to the outside of the heat exchange box 3 and are fixedly connected to the waste heat recovery device body 11. The heat exchange fins 7 are evenly distributed, and the heat exchange fins 7 are fixedly connected to the heat insulation board layer 5. The rear end of the heat exchange plate 8 extends to the outside of the heat exchange box 3 and is connected to the denitration device body. The heat exchange plate 8 is fixedly connected to the heat exchange box 3, and a liquid pump 19 is arranged on the surface of the liquid inlet pipe 9. First, the denitration operation is performed through the denitration device body 2, so that the high-temperature heat generated on the surface of the denitration device body 2 is driven by the liquid pump 19 to enter the heat exchange tube 6, and the heat exchange fins 7 are cooperated to expand the heat exchange area, accelerate the absorption of the heat transferred by the heat exchange plate 8, and transport the heat-containing medium to the waste heat recovery device body 11 through the liquid outlet pipe 10, so as to complete the recovery of the heat energy of the denitration device body 2, which is conducive to improving the utilization rate of energy;

[0024] A sewage pipe 12 is fixedly connected to the lower side of the right end of the denitrification device body 2, a sewage filter box 13 is fixedly connected to the right end of the sewage filter box 13, a connecting pipe 14 is fixedly connected to the right end of the connecting pipe 14, a sewage collection box 15 is fixedly installed on the right end of the connecting pipe 14, a cover plate 16 is arranged at the upper end of the sewage filter box 13, a filter element 17 is arranged on the left side inside the sewage filter box 13, a filter element 2 18 is arranged on the right side inside the sewage filter box 13, the filter element 1 17 is made of bamboo charcoal, the filter element 2 18 is made of activated carbon, the filter element 1 17 and the filter element 2 18 are both slidably connected to the sewage filter box 13, and the sewage filter box 13 is detachably connected to the cover plate 16.

[0025] When working, firstly, denitration operation is performed through the denitration device body 2, so that the high-temperature heat generated on the surface of the denitration device body 2 is driven by the liquid pump 19 to drive the liquid medium into the heat exchange tube 6, and cooperate with the heat exchange fins 7 to expand the heat exchange area, accelerate the absorption of the heat transferred by the heat exchange plate 8, and transport the heat-containing medium to the waste heat recovery device body 11 through the liquid outlet pipe 10, so as to complete the recovery of the heat energy of the denitration device body 2. In the process of heat energy recovery, the insulation layer 1 4 is made of glass wool material and the insulation board layer 5 is made of polyurethane board material, so as to increase the insulation performance of the heat exchange box 3 and greatly reduce the heat loss. The sewage generated during the denitration operation is discharged through the sewage pipe 12, and the filter element 1 17 and the filter element 2 18 have good adsorption performance, so as to preliminarily adsorb the impurities and harmful substances in the denitration sewage, and then cooperate with the sewage concentration box 15 to carry out centralized treatment of the denitration sewage.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An integrated device for denitrification and waste heat recovery, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly mounted with a denitration device body (2), the front end of the denitration device body (2) is fixedly mounted with a heat exchange box (3), the inner surface of the heat exchange box (3) is fixedly connected with a heat insulation layer (4), the inner surface of the heat insulation layer (4) is fixedly connected with a heat insulation board layer (5), a heat exchange tube (6) is arranged inside the heat insulation board layer (5), a heat exchange fin (7) is fixedly mounted on the surface of the heat exchange tube (6), a heat exchange plate (8) is fixedly mounted at the rear end of the heat exchange fin (7), one end of the heat exchange tube (6) is fixedly connected with a liquid inlet pipe (9), the other end of the heat exchange tube (6) is fixedly connected with a liquid outlet pipe (10), the liquid inlet pipe (9) is fixedly connected to the inner surface of the heat insulation layer (4), and the heat exchange plate (8) is fixedly mounted at the rear end of the heat exchange fin (7). ) and the lower ends of the liquid outlet pipe (10) extend to the outside of the heat exchange box (3) and are fixedly connected to a waste heat recovery device body (11); a sewage discharge pipe (12) is fixedly connected to the lower side of the right end of the denitrification device body (2); the right end of the sewage discharge pipe (12) is fixedly connected to a sewage filter box (13); the right end of the sewage filter box (13) is fixedly connected to a connecting pipe (14); the right end of the connecting pipe (14) is fixedly installed with a sewage collection box (15); a cover plate (16) is provided at the upper end of the sewage filter box (13); a filter element 1 (17) is provided on the left side of the sewage filter box (13); and a filter element 2 (18) is provided on the right side of the sewage filter box (13).

2. The integrated equipment for denitrification and waste heat recovery according to claim 1, characterized in that: The thermal insulation layer 1 (4) is made of glass wool, and the thermal insulation board layer (5) is made of polyurethane board.

3. The integrated equipment for denitrification and waste heat recovery according to claim 2, characterized in that: The heat exchange fins (7) are evenly distributed, and the heat exchange fins (7) are fixedly connected to the heat insulation board layer (5).

4. The integrated equipment for denitrification and waste heat recovery according to claim 1, characterized in that: The rear end of the heat exchange plate (8) extends to the outside of the heat exchange box (3) and is closely connected to the denitration device body (2), and the heat exchange plate (8) is fixedly connected to the heat exchange box (3).

5. The integrated equipment for denitration and waste heat recovery according to claim 1, characterized in that: A liquid pump (19) is arranged on the surface of the liquid inlet pipe (9), and a second insulation layer (20) is fixedly connected to the surface of the liquid outlet pipe (10), wherein the second insulation layer (20) is made of rock wool.

6. The integrated equipment for denitration and waste heat recovery according to claim 1, characterized in that: The filter element 1 (17) is made of bamboo charcoal, and the filter element 2 (18) is made of activated carbon.

7. The integrated equipment for denitration and waste heat recovery according to claim 6, characterized in that: The filter element 1 (17) and the filter element 2 (18) are both slidably connected to the sewage filter box (13), and the sewage filter box (13) is detachably connected to the cover plate (16).

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