Energy-saving heat supply device for thermal power plant

Abstract

The utility model relates to the technical field of heat supply devices, and discloses a thermal power plant energy-saving heat supply device which comprises a heat supply box, a slot and a filter element, one side of the top of the heat supply box is fixedly connected with an air inlet pipe in a penetrating mode, one side of the top end of the heat supply box is provided with the slot, the slot is communicated with the air inlet pipe, and the filter element is arranged in the slot. The filter element is inserted into the inserting groove, arc-shaped grooves are formed in the upper side and the lower side of the inserting groove and located in the top side and the bottom side of the filter element respectively, a blocking cover is arranged at an opening of the inserting groove, shaft rods at the two ends of the blocking cover are rotationally connected to the outer portion of the heat supply box in a penetrating mode, and the blocking cover is located on one side of the air inlet pipe. The bolt on one side of the blocking cover is rotated through a tool, the blocking cover is turned over, the inserting groove is opened, a worker extracts the filter element through the arc-shaped groove in one side of the inserting groove, the worker can replace and use the filter element conveniently, and dust in high-temperature flue gas is prevented from entering the heat supply box to block the interior of the heat supply box and the interior of the air outlet pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat supply device technical field especially relates to a thermal power plant energy -conserving heat supply device. BACKGROUND

[0002] Thermal power plant heat supply device mainly includes the device and recovery exhaust steam latent heat of vaporization that utilize steam turbine extraction heating, the current use to industrial area and city's heat supply mode, utilize the high temperature flue gas of thermal power plant discharge to heat, the high temperature exhaust fume heat is transmitted to the air, carries out city and industrial area heat supply again, realizes the recovery of heat, saves the fuel quantity.

[0003] The existing thermal power plant energy -conserving environmental protection heat supply device (announcement number: CN217653960U) at least has following disadvantage: there is still a large amount of dust in high temperature flue gas, flue gas enters the inside of heat supply device, part dust is easy to adhere to the inside of heat supply pipe and heat supply box, will cause the blockage of pipe and affect high temperature flue gas circulation, also is not favorable to the inside cleaning of heat supply box. SUMMARY

[0004] The utility model discloses a thermal power plant energy -conserving heat supply device to solve the technical problems in the prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A thermal power plant energy -conserving heat supply device, including heat supply box, slot and filter core, the heat supply box top side passes through fixedly connected with the air inlet pipe, the heat supply box top side is set up with the slot, the slot with air inlet pipe is linked together, the filter core is inserted in the slot inside, the slot upper and lower sides are all set up with arc -shaped groove, the arc -shaped groove is located filter core top and bottom both sides respectively, the slot opening is equipped with the baffle, the baffle both end shaft rod passes through rotationally connected in the heat supply box outside, the baffle is located air inlet pipe one side, the baffle is fixedly connected in the slot inside through bolt.

[0007] As a further scheme of the utility model, the heat supply box back side opening is rotatably connected with the box door, the box door is fixedly connected with the support frame on the side close to the heat supply box, a plurality of fan assemblies are arranged in the heat supply box, and each fan assembly comprises a rotating fan, a rotating rod and a limiting pad.

[0008] As a further scheme of the utility model, the rotating fan is sleeved on the rotating rod, the limiting pad is located on both sides of the rotating fan, the limiting pad is threadedly connected to the outside of the rotating rod and abuts against one side of the rotating fan, and the columnar rod of the support frame is located between the limiting pads.

[0009] As a further scheme of the utility model, the column rod of the support frame is connected through the rotating rod, the fan assembly is located at one side of the box door, a belt pulley is arranged at one side of the outside of the box door, and one end of the rotating rod of the fan assembly is connected through the box door and fixedly connected at one side of the belt pulley.

[0010] As a further scheme of the utility model, the bottom end of the box door is fixedly connected with a driving motor, the output end of the driving motor is connected through the other side of the belt pulley, and the driving motor and the belt pulley are located at the back side of the heat supply box.

[0011] As a further scheme of the utility model, the outside of the heat supply box is provided with a mounting plate, a plurality of air outlet pipes are fixedly connected through one side of the mounting plate close to the heat supply box, the air outlet pipes are fixedly connected through one side of the heat supply box, and the air outlet pipes are located at one side of the fan assembly.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. When high-temperature flue gas enters the inside of the heat supply box through the air inlet pipe, it needs to pass through the filter core for dust filtration, and the filter core needs to be replaced regularly by the staff to prevent the filter core from being blocked and reducing the filtration of high-temperature flue gas, the staff can conveniently replace the filter core by rotating the bolt at one side of the cover, turning the cover, and taking out the filter core through the arc-shaped slot at one side of the slot.

[0014] 2. The output end of the driving motor drives the belt pulley to rotate, the two groups of fan assemblies in the inside of the heat supply box rotate with the belt pulley, the rotating fan drives the high-temperature flue gas entering the inside of the heat supply box to be transported through the rotating fan, the rotating speed of the rotating fan is adjusted according to the rotating speed of the driving motor, when the internal structure of the heat supply box needs to be repaired, the staff can remove the fan assembly out of the heat supply box by unlocking the door lock on the box door, conveniently repair the fan assembly, and conveniently detect and clean the inside of the heat supply box. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A three-dimensional structure schematic view of the energy-saving heat supply device for a thermal power plant is provided for the utility model;

[0016] Fig. 2 A structure schematic view of the filter core of the energy-saving heat supply device for a thermal power plant is provided for the utility model;

[0017] Fig. 3 A structure schematic view of the fan assembly of the energy-saving heat supply device for a thermal power plant is provided for the utility model;

[0018] Fig. 1, heat supply box; 101, air inlet pipe; 2, slot; 201, arc-shaped groove; 202, cover; 3, filter element; 4, box door; 401, support frame; 5, fan assembly; 501, rotating fan; 502, rotating rod; 503, limiting pad; 6, belt pulley; 7, driving motor; 8, mounting plate; 801, air outlet pipe. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium; can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] REFERENCE Figs. 1-3 A kind of energy-saving heating device for thermal power plant, including heat supply box 1, slot 2 and filter element 3, heat supply box 1 top side is fixedly connected with air inlet pipe 101, heat supply box 1 top end side is provided with slot 2, slot 2 is communicated with air inlet pipe 101, filter element 3 is inserted in slot 2, arc-shaped groove 201 is set up in the upper and lower sides of slot 2, arc-shaped groove 201 is located at the top and bottom of filter element 3 respectively, cover 202 is arranged at the opening of slot 2, the both ends of cover 202 are rotatably connected to the outside of heat supply box 1, cover 202 is located at the side of air inlet pipe 101, cover 202 is fixedly connected in slot 2 by bolt.

[0023] In use, when the high-temperature flue gas enters the inside of the heat supply box 1 through the air inlet pipe 101, it needs to pass through the filter element 3 first for dust filtration. The staff needs to replace the filter element 3 regularly to prevent the filter element 3 from being blocked and reducing the filtration of the high-temperature flue gas. The staff rotates the bolts on one side of the cover 202 using a tool, flips the cover 202, and makes the insertion slot 2 open. The staff extracts the filter element 3 through the arc-shaped slot 201 on one side of the insertion slot 2, which is convenient for the staff to replace the filter element 3, and avoids the dust in the high-temperature flue gas from entering the heat supply box 1 and causing blockage in the inside of the heat supply box 1 and the air outlet pipe 801.

[0024] In the embodiment, the box door 4 is rotationally connected to the opening at the back side of the heat supply box 1. The box door 4 is fixedly connected with a support frame 401 on the side close to the heat supply box 1. The inside of the heat supply box 1 is provided with a plurality of fan assemblies 5. The fan assembly 5 comprises a rotating fan 501, a rotating rod 502, and a limiting pad 503.

[0025] In use, the support frame 401 is located between the two groups of fan assemblies 5, and supports the rotating rods 502 of the two groups of fan assemblies 5 through and through, so as to avoid the rotating rods 502 from tilting due to heavy load at one end and affecting the operation of the rotating fans 501.

[0026] In the embodiment, the plurality of rotating fans 501 are sleeved on the rotating rods 502, and the limiting pads 503 are located on both sides of the rotating fans 501. The limiting pads 503 are threadedly connected to the outside of the rotating rods 502 and abut against one side of the rotating fans 501. The columnar rods of the support frame 401 are located between the plurality of limiting pads 503.

[0027] In use, after the staff separates the fan assembly 5 from the belt pulley 6, the staff rotates the limiting pad 503 to separate the limiting pad 503 from the rotating rod 502, and the rotating fan 501 is released from the fixation, and is taken off from the rotating rod 502, so as to facilitate the replacement and cleaning of the rotating fan 501 or the rotating rod 502.

[0028] In the embodiment, the columnar rods of the support frame 401 are connected to the rotating rods 502 through and through. The fan assemblies 5 are located on one side of the box door 4. The outside of the box door 4 is provided with a belt pulley 6. The rotating rods 502 of the plurality of fan assemblies 5 are connected to one side of the belt pulley 6 through and through.

[0029] In use, the output end of the driving motor 7 drives the belt pulley 6 to rotate, so that the two groups of fan assemblies 5 in the inside of the heat supply box 1 rotate with the belt pulley 6, and the rotating fans 501 drive the high-temperature flue gas in the inside of the heat supply box 1 to enter the air outlet pipe 801 for transportation. The high-temperature flue gas is transported by the rotating fans 501. The rotating speed of the rotating fans 501 is adjusted according to the rotating speed of the driving motor 7.

[0030] In the embodiment, the box door 4 is fixedly connected with a driving motor 7 on one side of the bottom end. The output end of the driving motor 7 is connected to the other side of the belt pulley 6 through and through. The driving motor 7 and the belt pulley 6 are located at the back side of the heat supply box 1.

[0031] In use, if the internal structure of the heat supply box 1 needs to be repaired, the staff removes the fixed connection through the door lock on the box door 4, opens the box door 4, and drives the fan assembly 5 out of the heat supply box 1, which facilitates the staff to repair the fan assembly 5 and facilitates the staff to detect and clean the inside of the heat supply box 1.

[0032] In the embodiment, the installation plate 8 is arranged on one side of the heat supply box 1, a plurality of air outlet pipes 801 are fixedly connected to the side of the installation plate 8 close to the heat supply box 1, the air outlet pipes 801 are fixedly connected to the side of the heat supply box 1, and the air outlet pipes 801 are located on one side of the fan assembly 5.

[0033] In use, a plurality of mounting holes are formed in the installation plate 8, which facilitates the fixed connection of the high-temperature flue gas conveying pipe and the installation plate 8, and facilitates the disassembly of the conveying pipe and the installation plate 8, so that the staff can regularly detect the inner wall of the pipe.

[0034] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: when the high-temperature flue gas enters the inside of the heat supply box 1 through the air inlet pipe 101, it needs to pass through the filter element 3 for dust filtration first, the staff needs to replace the filter element 3 regularly to prevent the filter element 3 from being blocked and reducing the filtration of the high-temperature flue gas, the staff rotates the bolt on one side of the cover 202 by using a tool, flips the cover 202, makes the insertion slot 2 open, and extracts the filter element 3 through the arc-shaped slot 201 on one side of the insertion slot 2, which facilitates the staff to replace the filter element 3, avoids the dust in the high-temperature flue gas from entering the heat supply box 1 and causing blockage in the inside of the heat supply box 1 and the air outlet pipe 801, drives the output end of the driving motor 7 to rotate the belt pulley 6, drives the two groups of fan assemblies 5 in the inside of the heat supply box 1 to rotate with the belt pulley 6, drives the rotating fan 501 to drive the high-temperature flue gas in the inside of the heat supply box 1 to enter the air outlet pipe 801 for transportation, transports the high-temperature flue gas through the rotating fan 501, the rotating speed of the rotating fan 501 is adjusted according to the rotating speed of the driving motor 7, if the internal structure of the heat supply box 1 needs to be repaired, the staff removes the fixed connection through the door lock on the box door 4, opens the box door 4, and drives the fan assembly 5 out of the heat supply box 1, which facilitates the staff to repair the fan assembly 5 and facilitates the staff to detect and clean the inside of the heat supply box 1.

[0035] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat supply device for energy saving in a thermal power plant, comprising a heat supply box (1), a slot (2) and a filter core (3), characterized in that, The heat supply box (1) top side through fixed connection has air inlet pipe (101), the heat supply box (1) top side is provided with the slot (2), the slot (2) is communicated with air inlet pipe (101), the filter core (3) is inserted in the slot (2) inside, the slot (2) upper and lower sides are provided with arc slot (201), the arc slot (201) is located at the top and bottom of the filter core (3) two sides, the slot (2) opening is equipped with the cover (202), the cover (202) both end shaft rod through rotation is connected in the heat supply box (1) outside, the cover (202) is located in the air inlet pipe (101) side, the cover (202) is fixedly connected in the slot (2) inside through bolt.

2. The energy-saving and heat-supply device for thermal power plants according to claim 1, characterized in that, The heat supply box (1) back side opening is rotatably connected with the box door (4), the box door (4) is fixedly connected with the support frame (401) on the side close to the heat supply box (1), a plurality of fan assemblies (5) are arranged in the heat supply box (1), the fan assembly (5) comprises a rotating fan (501), a rotating rod (502) and a limiting pad (503).

3. The energy-saving and heat-supply device for thermal power plants according to claim 2, characterized in that, A plurality of rotating fans (501) are sleeved on the rotating rod (502), the limiting pads (503) are located on both sides of the rotating fan (501), the limiting pads (503) are threadedly connected outside the rotating rod (502) and abut against one side of the rotating fan (501), the column of the support frame (401) is located between a plurality of limiting pads (503).

4. The energy-saving and heat-supply device for thermal power plants according to claim 3, characterized in that, The column of the support frame (401) is connected through the rotating rod (502), the fan assembly (5) is located on one side of the box door (4), a belt pulley (6) is arranged on one side of the box door (4), one end of the rotating rod (502) of a plurality of fan assemblies (5) penetrates the box door (4) and is fixedly connected to one side of the belt pulley (6).

5. The energy-saving and heat-supply device for thermal power plants according to claim 4, characterized in that, The bottom end of the box door (4) is fixedly connected with a driving motor (7), the output end of the driving motor (7) is connected through the other side of the belt pulley (6), the driving motor (7) and the belt pulley (6) are located on the back side of the heat supply box (1).

6. The energy-saving and heat-supply device for thermal power plants according to claim 5, characterized in that, One side of the heat supply box (1) is provided with a mounting plate (8), a plurality of air outlet pipes (801) are fixedly connected to one side of the mounting plate (8) close to the heat supply box (1), the air outlet pipes (801) are fixedly connected to one side of the heat supply box (1), and the air outlet pipes (801) are located on one side of the fan assembly (5).

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