Environment-friendly boiler

Abstract

This utility model discloses an environmentally friendly boiler, including a frame with door panels on each side. A support frame is located on one side of the bottom of the frame, and a furnace body is located on the top of the support frame. A combustion assembly is located at the bottom of the furnace body, and a condenser is connected to one side of the furnace body. A furnace body water pump and a condenser water pump are respectively located at the bottom of the frame. A control assembly is located on one side of the door panel, and a display screen electrically connected to the control assembly is located on the same side of the door panel. The flue gas heated by the burner head is guided to the condenser for cooling through the flue gas outlet frame. At the same time, low-temperature cooling water is delivered to the condenser through the condenser water pump, which absorbs the heat from the exhaust flue gas to form high-temperature cooling water. This high-temperature cooling water is then guided to the furnace body by the boiler water pump so that the burner head can further heat and evaporate the high-temperature cooling water, thereby improving the heating efficiency for external systems, as well as the heat recovery effect of the flue gas and the utilization effect of the cooling water, increasing the practicality of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of boiler equipment technology, and in particular to an environmentally friendly boiler. Background Technology

[0002] Boiler pressure vessel is the full name of both boilers and pressure vessels. As they are both special equipment, they occupy an important position in production and daily life. A boiler is an energy conversion device. The energy input to a boiler includes the chemical energy of fuel and electrical energy. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy. Existing boiler equipment does not perform heat recovery treatment on the gases produced by combustion, resulting in the loss of most of the heat in the exhaust gas, which makes the boiler equipment economically inefficient and impractical. Utility Model Content

[0003] The purpose of this utility model is to provide an environmentally friendly boiler to solve the problems mentioned in the background art, such as the easy loss of most of the heat in the exhaust gas of existing boiler equipment and low economic efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an environmentally friendly boiler, including a frame, with door panels on each side of the frame, a support frame on one side of the bottom of the frame, a furnace body on the top of the support frame, a combustion assembly inside the furnace body, a condenser connected to one side of the furnace body, a furnace body water pump and a condenser water pump respectively at the bottom of the frame, a control assembly on one side of the door panel, and a display screen electrically connected to the control assembly on the same side of the door panel.

[0005] Preferably, one corner of the frame is provided with a water level gauge for connecting to the furnace body, a viewing slot is provided on one side of the door panel located on the side of the water level gauge, one side of the door panel is connected to the water level gauge and is provided with a pressure gauge, and several casters are provided at the bottom of the frame.

[0006] Preferably, the furnace body includes a furnace cylinder, with tube sheets at both ends of the furnace cylinder, and tubes inserted into the middle of the tube sheets on both sides. Water collection tanks are connected to both ends of the tubes, and several connecting pipes are provided on the sides of the water collection tanks on both sides. Insulation cotton is provided at the center of the top and bottom of the furnace cylinder, and a pressure plate is provided on one side of the insulation cotton. A smoke outlet rack is provided on the inner wall of the furnace cylinder.

[0007] Preferably, the top water collection tank is provided with a perforated plate, and the middle of the tube is provided with a support rod.

[0008] Preferably, the combustion assembly includes a burner head located inside the furnace body, a fan bracket located at the bottom of the furnace body, a fan connected to the fan bracket, a mixer located on the side of the fan, and an air filter connected to the mixer.

[0009] Preferably, the condenser includes a cooling rack in the middle of the frame, a flue pipe on one side of the cooling rack, several through holes symmetrically opened on the inner wall of the cooling rack, a guide pipe connected to both sides of the through holes, several water storage racks connected to the side of the cooling rack, and a flue outlet on one side of the cooling rack.

[0010] Preferably, the guide pipe and several water storage racks form an S-shaped water flow channel. An inlet flange is provided at the beginning of the S-shaped water flow channel, and an outlet flange is provided at the end of the S-shaped water flow channel. An automatic pressure relief valve is provided in connection with the water storage rack connected to the outlet flange. The automatic pressure relief valve is connected to the exhaust pipe through an air pipe.

[0011] Preferably, the input end of the furnace body water pump is connected to the condenser via a water pipe, the output end of the furnace body water pump is connected to the furnace body via a water pipe, the input end of the condenser water pump is connected to an external water supply device via a water pipe, and the output end of the condenser water pump is connected to the condenser via a water pipe.

[0012] Preferably, the control assembly includes a control cabinet located on one side of the door panel, a control unit electrically connected to the display screen located in the middle of the control cabinet, and a heat dissipation trough located on one side of the control cabinet.

[0013] The beneficial effects of this utility model are as follows: The water inside the furnace is heated and evaporated by the burner head to provide heat to the external system connected to the furnace. At the same time, the flue gas heated by the burner head is guided to the condenser through the flue gas rack and cooled by the condenser. Meanwhile, the condenser water pump delivers low-temperature cooling water from the external water supply equipment to the condenser, which absorbs the heat from the exhaust flue gas to form high-temperature water. This high-temperature water is then guided to the furnace by the boiler water pump so that the burner head can further heat and evaporate it, thereby improving the heating efficiency to the external system. Furthermore, the absorption of a large amount of heat from the flue gas by the low-temperature cooling water and its delivery to the furnace for heating and evaporation facilitates the cooling of the flue gas in the furnace. This also improves the heat recovery effect of the flue gas and the utilization effect of the cooling water, increasing the practicality of the equipment. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model; Figure 2 This is a three-dimensional structural diagram of the present invention with one side door panel and the top door panel removed. Figure 3 This is a cross-sectional perspective view of an embodiment of the present utility model. Figure 4 This is a three-dimensional structural diagram of the condenser in an embodiment of the present invention; Figure 5This is a cross-sectional perspective view of the condenser in an embodiment of the present invention. Figure 6 This is a three-dimensional structural diagram of the combustion assembly and furnace body in an embodiment of the present invention; Figure 7 This is a cross-sectional perspective view of the combustion assembly and furnace body in an embodiment of the present invention.

[0015] In the diagram: 1. Frame; 2. Door panel; 3. Support frame; 4. Furnace body; 41. Furnace cylinder; 42. Tube sheet; 43. Tubes; 44. Water collection tank; 45. Connecting pipe; 46. Insulation cotton; 47. Pressure plate; 48. Smoke rack; 5. Combustion assembly; 51. Burner head; 52. Fan bracket; 53. Fan; 54. Mixer; 55. Air filter; 6. Condenser; 61. Cooling rack; 62. Smoke exhaust pipe; 63. Through hole; 64. Drainage pipe; 65. Water storage rack; 66. Flue gas outlet; 7. Furnace body water pump; 8. Condenser water pump; 9. Control components; 91. Control cabinet; 92. Control unit; 93. Heat dissipation trough; 10. Display screen; 11. Water level gauge; 12. Observation slot; 13. Pressure gauge; 14. Fire observation hole; 15. Perforated plate; 16. Support rod; 17. Water inlet flange; 18. Water outlet flange; 19. Automatic pressure relief valve; 20. Gas pipe. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1 to 7This utility model provides an environmentally friendly boiler, including a frame 1, door panels 2 on each side of the frame 1, a support frame 3 on one side of the bottom of the frame 1, a furnace body 4 on the top of the support frame 3, a combustion assembly 5 inside the furnace body 4, a condenser 6 connected to one side of the furnace body 4, a furnace body water pump 7 and a condenser water pump 8 respectively at the bottom of the frame 1, a control assembly 9 on one side of the door panel 2, and a display screen 10 electrically connected to the control assembly 9 on the same side of the door panel 2. The water inside the furnace body 4 is heated and evaporated by the burner head 51 of the combustion assembly 5 to provide heat to the external system connected to the furnace body 4. The flue gas is guided to the condenser 6 through the flue gas outlet frame 48 and cooled by the condenser 6. At the same time, the condenser water pump 8 delivers low-temperature cooling water from the external water supply equipment to the condenser 6, which absorbs the heat from the flue gas emitted from the furnace body 4 to form high-temperature water. This water is then guided to the furnace body 4 by the furnace body water pump 7, so that the burner head 51 can further heat and evaporate the high-temperature water, thereby improving the heating efficiency of the external heating system. The low-temperature cooling water absorbs a large amount of heat from the flue gas and delivers it to the furnace body 4 for heating and evaporation, which conveniently cools the flue gas in the furnace body 4. It also improves the heat recovery effect of the flue gas and the utilization effect of the cooling water, increasing the practicality of the equipment.

[0018] like Figure 1 As shown, specifically, a water level gauge 11 for connecting to the furnace body 4 is provided on one side corner of the frame 1. An observation slot 12 is provided on the door panel 2 on one side of the water level gauge 11. A pressure gauge 13 is provided on one side of the door panel 2 connected to the water level gauge 11. Several casters are provided at the bottom of the frame 1. The casters facilitate the movement and transportation of the equipment. The water level gauge 11 allows for real-time observation of the water level in the furnace body 4, ensuring the safe use of the boiler. The markings on the water level gauge 11 are observed through the observation slot 12, so that the operator can monitor the water level in the furnace body 4.

[0019] like Figure 6 and Figure 7As shown, specifically, the furnace body 4 includes a furnace cylinder 41. Tube sheets 42 are provided at both ends of the furnace cylinder 41. A column of tubes 43 is inserted into the middle of the tube sheets 42 on both sides. A water collection tank 44 is connected to both ends of the column of tubes 43. Several connecting pipes 45 are provided on the sides of the water collection tanks 44 on both sides. Insulation cotton 46 is provided at the center of the top and bottom of the furnace cylinder 41. A pressure plate 47 is provided on one side of the insulation cotton 46. A smoke outlet rack 48 is provided on the inner wall of the furnace cylinder 41. High-temperature water, which recovers heat from the flue gas, is pumped by the furnace body water pump 7 to the condenser 6. The water is conveyed and guided to the water collection tank 44 below the furnace cylinder 41, and then guided to the water collection tank 44 above through several tubes 43. The high-temperature water entering the furnace body 4 is further heated and evaporated by the burner head 51, and then supplied to the external system through the connecting pipe 45. The flue gas generated by combustion is guided to the condenser 6 for cooling through the flue gas outlet rack 48. In this way, a large amount of heat in the flue gas is absorbed by the low-temperature cooling water, which can conveniently realize the heat recovery treatment of the flue gas in the furnace body 4, improve the heat recovery effect of the flue gas and the efficiency of the equipment in supplying heat to the external system.

[0020] Specifically, the water collection tank 44 at the top is provided with a perforated plate 15, and the tube 43 is provided with a support rod 16 in the middle. The perforated plate 15 facilitates the heating of steam, which is then transported to the external heating system through the holes in the perforated plate.

[0021] Specifically, a viewing hole 14 can be provided on the top of the furnace body 4 to observe the combustion status of the internal burner head 51.

[0022] Specifically, several of the connecting pipes 45 are respectively connected to a water level gauge 11, a pressure relief valve, and a steam port of an external heating system, so as to facilitate monitoring of the water level in the boiler through the water level gauge 11. At the same time, when the internal pressure of the boiler increases, the excess steam is discharged to the outside through the pressure relief valve to ensure the stability of the boiler during use. The connecting pipes 45 are connected to the steam port of the external system to supply heat to the external system.

[0023] Specifically, the combustion assembly 5 includes a burner head 51 located inside the furnace body 4, a fan support 52 located at the bottom of the furnace body 4, a fan 53 connected to the fan support 52, a mixer 54 located on the side of the fan 53, and an air filter 55 connected to the mixer 54. The burner head 51, which burns upward inside the furnace body 4, heats the interior of the furnace body 4. The burner head 51 is distributed in the middle area of ​​several tubes 43 arranged evenly in a ring on the furnace cylinder 41. After the burner head 51 is ignited, the flame is located in the middle of the bottom area of ​​a ring of tubes 43, thereby simultaneously and evenly heating a ring of tubes 43 and improving the heating effect.

[0024] Specifically, the blower 53 helps to promote the combustion of the burner head 51 and improve its combustion efficiency, while also maintaining the negative pressure inside the furnace body 4. The mixer 54 ensures that the fuel and air are fully mixed, thereby achieving stable and efficient combustion.

[0025] Specifically, the air filter 55 filters out dust and impurities from the air, allowing clean air to be blown into the furnace body 4 by the fan 53, thus preventing dust and impurities from interfering with the combustion of the furnace body 4, protecting the equipment and extending its service life.

[0026] Specifically, the burner head 51, fan 53, mixer 54, air filter 55, furnace water pump 7, condenser water pump 8, etc., are all existing technologies, and the standard components used in this application are all commercially available products. Furthermore, the connection methods between these components all employ existing conventional technologies, therefore, they will not be described in detail further.

[0027] like Figure 4 and Figure 5 As shown, specifically, the condenser 6 includes a cooling rack 61 located in the middle of the frame 1. A flue pipe 62 is provided on one side of the cooling rack 61. Several through holes 63 are symmetrically opened on the inner wall of the cooling rack 61. The through holes 63 on both sides are connected to a guide pipe 64. Several water storage racks 65 are connected to the side of the cooling rack 61. A flue gas outlet 66 is opened on one side of the cooling rack 61. By connecting the flue gas outlet 66 on the side of the cooling rack 61 to the flue gas rack 48 of the furnace body 4, the high-temperature flue gas generated in the furnace body 4 is introduced into the cooling rack 61. The external low-temperature cooling water is transported to the water storage rack 65 by the condenser water pump 8, so that the high-temperature flue gas discharged from the furnace body 4 can be quickly cooled through the several guide pipes 64 in the middle of the cooling rack 61.

[0028] Specifically, the guide pipe 64 and several water storage racks 65 form an S-shaped water flow channel. An inlet flange 17 is provided at the starting point of the S-shaped water flow channel, and an outlet flange 18 is provided at the ending point of the S-shaped water flow channel. An automatic pressure relief valve 19 is connected to the water storage rack 65 connected to the outlet flange 18. The automatic pressure relief valve 19 is connected to the flue gas pipe 62 through the air pipe 20. The guide pipe 64 and several water storage racks 65 cooperate to form an S-shaped guide channel, which facilitates the delivery of low-temperature cooling water to the water storage racks 65 along the S-shaped guide channel, and provides convenient and efficient cooling treatment for the high-temperature flue gas discharged from the furnace body 4.

[0029] Specifically, by installing an automatic pressure relief valve 19 on one side of the water storage rack 65 connected to the outlet flange 18, dissolved oxygen in the water in the water storage rack 65 can be automatically removed, preventing excessive air pressure in the water storage rack 65 and avoiding potential safety hazards.

[0030] like Figure 2 and Figure 3 As shown, specifically, the input end of the furnace water pump 7 is connected to the condenser 6 via a water pipe, and the output end of the furnace water pump 7 is connected to the furnace body 4 via a water pipe. The input end of the condenser water pump 8 is connected to an external water supply device via a water pipe, and the output end of the condenser water pump 8 is connected to the condenser 6 via a water pipe. The condenser water pump 8 guides the low-temperature cooling water from the external water supply device into the condenser 6, thereby absorbing a large amount of heat from the boiler flue gas to form high-temperature water. Subsequently, the furnace water pump 7 guides the high-temperature water in the condenser 6 into the boiler, facilitating the heating and evaporation of the high-temperature water by the burner head 51 in the boiler, thus improving the heating efficiency of this equipment for the external heating system.

[0031] Specifically, the control component 9 includes a control cabinet 91 located on one side of the door panel 2. The control cabinet 91 has a control unit 92 in the middle that is electrically connected to the display screen 10. The control cabinet 91 has a heat dissipation slot 93 on one side. The control unit 92 facilitates the control of the working status of the equipment and displays the data on the display screen 10, which helps the staff to monitor the operating status of the equipment in real time.

[0032] Specifically, the control unit 92 and the display screen 10 inside the control cabinet 91 are both existing technologies, so they will not be described in detail. By setting a heat dissipation groove 93 on one side of the control cabinet 91, heat dissipation of the control cabinet 91 is facilitated, and the high temperature of the control cabinet 91 is prevented from affecting the working status of the control unit 92.

[0033] Specifically, the control units 92 inside the control cabinet 91 are all conventional electrical equipment, and are equipped with existing control equipment such as PLC controllers to control the normal operation of the equipment.

[0034] The working principle of this utility model is as follows: During use, the water inside the furnace body 4 is heated and evaporated by the burner head 51 to provide heat to the external system connected to the furnace body 4. At the same time, the flue gas heated by the burner head 51 is guided to the condenser 6 through the flue gas rack 48 and cooled by the condenser 6. Meanwhile, the condenser water pump 8 delivers low-temperature cooling water from the external water supply equipment to the condenser 6, which absorbs the heat from the exhaust flue gas to form high-temperature water. This high-temperature water is then guided to the furnace body 4 by the boiler water pump, so that the burner head 51 can further heat and evaporate the high-temperature water, thereby improving the heating efficiency to the external system. Furthermore, by absorbing a large amount of heat from the flue gas through the low-temperature cooling water and delivering it to the furnace body 4 for heating and evaporation, the flue gas in the furnace body 4 is cooled conveniently. This also improves the heat recovery effect of the flue gas and the utilization effect of the cooling water, increasing the practicality of the equipment.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An environmentally friendly boiler, comprising a frame (1), characterized in that, The frame (1) is provided with door panels (2) on all sides, and a support frame (3) is provided on one side of the bottom of the frame (1). A furnace body (4) is provided on the top of the support frame (3). A combustion assembly (5) is provided inside the furnace body (4). A condenser (6) is connected to one side of the furnace body (4). A furnace body water pump (7) and a condenser water pump (8) are respectively provided at the bottom of the frame (1). A control assembly (9) is provided on one side of the door panel (2). A display screen (10) electrically connected to the control assembly (9) is provided on the same side of the door panel (2). The combustion assembly (5) includes a burner head (51) disposed inside the furnace body (4), and a smoke outlet rack (48) is provided on the inner wall of the furnace body (4), and the smoke outlet rack (48) is connected to the condenser (6). The input end of the condenser water pump (8) is used to connect with an external water supply device. The output end of the condenser water pump (8) is connected to the condenser (6) through a water pipe. The input end of the furnace water pump (7) is connected to the condenser (6) through a water pipe. The output end of the furnace water pump (7) is connected to the furnace body (4) through a water pipe.

2. The environmentally friendly boiler according to claim 1, characterized in that; The frame (1) has a water level gauge (11) at one corner for connecting the furnace body (4). An observation slot (12) is provided on the door panel (2) on one side of the water level gauge (11). The door panel (2) is connected to the water level gauge (11) and has a pressure gauge (13).

3. The environmentally friendly boiler according to claim 1, characterized in that; The frame (1) has several casters at its bottom.

4. The environmentally friendly boiler according to claim 1, characterized in that; The furnace body (4) includes a furnace cylinder (41), both ends of which are provided with tube plates (42), and tubes (43) are inserted into the middle of the tube plates (42) on both sides. Both ends of the tubes (43) are connected to water collection tanks (44), and several connecting pipes (45) are provided on the sides of the water collection tanks (44) on both sides. Insulation cotton (46) is provided at the top and bottom center of the furnace cylinder (41), and a pressure plate (47) is provided on one side of the insulation cotton (46). A smoke rack (48) is opened on the inner wall of the furnace cylinder (41).

5. An environmentally friendly boiler according to claim 4, characterized in that; The water collection tank (44) at the top is provided with a perforated plate (15), and the tube (43) is provided with a support rod (16) in the middle.

6. An environmentally friendly boiler according to claim 1, characterized in that; The combustion assembly (5) includes a combustion head (51) provided inside the furnace body (4), a fan bracket (52) provided at the bottom of the furnace body (4), a fan (53) connected to the fan bracket (52), a mixer (54) provided on the side of the fan (53), and an air filter (55) connected to the mixer (54).

7. An environmentally friendly boiler according to claim 1, characterized in that; The condenser (6) includes a cooling rack (61) provided in the middle of the frame (1), a flue pipe (62) provided on one side of the cooling rack (61), a number of through holes (63) symmetrically opened on the inner wall of the cooling rack (61), a guide pipe (64) connected to the through holes (63) on both sides, a number of water storage racks (65) connected to the side of the cooling rack (61), and a flue gas outlet (66) opened on one side of the cooling rack (61).

8. An environmentally friendly boiler according to claim 7, characterized in that; The guide pipe (64) and several water storage racks (65) form an S-shaped water flow channel. An inlet flange (17) is provided at the starting point of the S-shaped water flow channel, and an outlet flange (18) is provided at the end point of the S-shaped water flow channel. An automatic pressure relief valve (19) is provided in connection with the water storage rack (65) connected to the outlet flange (18). The automatic pressure relief valve (19) is connected to the exhaust pipe (62) through an air pipe (20).

9. An environmentally friendly boiler according to claim 1, characterized in that; The control component (9) includes a control cabinet (91) provided on one side of the door panel (2), a control unit (92) electrically connected to the display screen (10) is provided in the middle of the control cabinet (91), and a heat dissipation slot (93) is provided on one side of the control cabinet (91).

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