CN219014373U

CN219014373U - Air preheater with automatic flow regulation function

Info

Publication number: CN219014373U
Application number: CN202223574686.4U
Authority: CN
Inventors: 张中男
Original assignee: Jiangsu Fengyuande Heat Pipe Technology Co ltd
Current assignee: Jiangsu Fengyuande Heat Pipe Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-12
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of air preheaters, in particular to an air preheater with automatically-adjusted flow, which comprises a heating box, wherein one side of the heating box is fixedly connected with a diffusion frame, the other side of the heating box is fixedly connected with a fan frame, the side surface of the fan frame is fixedly connected with a collecting frame, and the top end of the heating box is fixedly connected with a top cover. According to the utility model, through the heating box, the lifting frame, the electric push rod, the lifting seat, the heating pipe, the first positioning strip, the second positioning strip, the side frame, the communication air valve and the air pipe, the large-scale automatic adjustment operation of the hot air flow can be realized.

Description

Air preheater with automatic flow regulation function

Technical Field

The utility model relates to the technical field of air preheaters, in particular to an air preheater with automatically-adjusted flow.

Background

The air preheater is a heating surface for preheating air before entering a boiler to a certain temperature through internal cooling fins in a flue at the tail part of the boiler, is equipment for improving the heat exchange performance of the boiler and reducing energy consumption, and is generally divided into three types of plate type, rotary type and tubular type, and the working principle of the air preheater is introduced by taking rotary type as an example.

For example, patent document CN 207741363U discloses an air preheater with automatically regulated flow, where a water inlet tube and a water outlet tube are respectively connected to two ends of a heat exchange water tube set in a box, a temperature sensor is disposed at an air outlet, a temperature sensor is disposed on the water outlet tube, an air flow regulating mechanism is disposed in a pipeline on an air inlet, a high-temperature water flow regulating mechanism is disposed on a pipeline on the front end of the water inlet tube, and an upper computer is connected to an output end of the temperature sensor, a control end of the air flow regulating mechanism and a control end of the high-temperature water flow regulating mechanism. According to the utility model, the speed of air entering the air inlet is reduced due to gradual expansion of the flow channel, the water pipe and the outer edge fins of the water pipe are blocked at the position of the bent water pipe group, and the two reducing processes enable cold air to exchange heat with high temperature water in the water pipe group sufficiently, so that the heat exchange efficiency is improved, the cold air speed and the high temperature water speed are regulated, the heat exchange efficiency is further improved, and the heat exchange efficiency can be improved by 5-10% after the air conditioner is used.

However, in the practical use process, the structure can only control the power of the fan to realize the automatic flow adjustment operation, but the operation causes the continuous change of the power of the fan, which is easy to cause the damage problem of elements, meanwhile, the power limitation of the fan is larger, the large-scale flow adjustment cannot be performed, and the daily use is not facilitated, so that the design of the air preheater with the automatic flow adjustment is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide an air preheater with automatic flow regulation, which aims to solve the problems that in the prior art, the conventional structure can only control the power of a fan to realize automatic flow regulation operation in the actual use process, but the operation ensures that the fan power is continuously changed, the damage of elements is easy to cause, meanwhile, the limitation of the power of the fan is large, the large-scale flow regulation cannot be carried out, and the daily use is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air preheater of flow automatically regulated, includes the heating cabinet, one side fixedly connected with diffusion frame of heating cabinet, the opposite side fixedly connected with fan frame of heating cabinet, the side fixedly connected with of fan frame gathers the frame, the top fixedly connected with top cap of heating cabinet;

the lifting frame is fixedly connected with the bottom end of the heating box, electric push rods are arranged at four corners of the bottom end of the lifting frame, lifting seats are arranged in the lifting frame, and heating pipes are uniformly arranged on the side faces of the lifting seats.

Preferably, the upper and lower both ends of lifting seat are provided with first location strip, the upper and lower both ends of crane inner wall are provided with the second location strip.

Preferably, the two sides of the heating box are provided with side frames, and the inner parts of the side frames are uniformly provided with communication air valves.

Preferably, the inner wall of the heating box is uniformly provided with air delivery pipes, and a connecting bent pipe is arranged between the two groups of air delivery pipes.

Preferably, one end of the collecting frame is fixedly connected with an exhaust seat, and one end of the exhaust seat is provided with a sealing ring.

Preferably, one end of the diffusion frame is fixedly connected with an air inlet seat, and one end of the air inlet seat is provided with an air inlet cover.

Preferably, the inside of fan frame evenly is provided with the ventilating fan, the side of fan frame evenly is provided with contact switch.

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

this air heater of flow automatically regulated, through the heating cabinet that sets up, the crane, electric putter, the lifting seat, the heating pipe, first location strip, the second location strip, the side bearer, intercommunication pneumatic valve and gas-supply line, can realize carrying out the operation of adjusting automatically in a large scale to hot air flow, in actual use, the staff is connected the sealing washer department of steam pipeline and exhaust seat at first, then start the heating pipe of lifting seat side, make it heat the inside water of heating cabinet, carry out efficient heating operation when the gas flow is gone into inside gas-supply line and connecting the return bend, simultaneously when need carry out the hot air flow regulation, can start the electric putter of crane bottom, make it drive the inside lifting seat of crane and carry out the operation that rises, enter into the central point of gas-supply line, and carry out the lifting operation to the hot water level of heating cabinet inside, thereby carry out the operation to more gas-supply lines, improve the steam flow that equipment wholly produced, make each fan can remain balanced ventilation power throughout, the practicality of equipment design has been embodied.

This air heater of flow automatically regulated, through the diffusion frame that sets up, the fan frame, collect the frame, the exhaust seat, the sealing washer, the seat of admitting air, the suction hood, ventilation fan and contact switch, further improve the holistic result of use of equipment, in daily use, after the lifting seat drives the inside water level of heating cabinet and rises, contact switch of fan frame side this moment is after contacting with water, can start the inside ventilation fan of corresponding position fan frame automatically, carry out automatic ventilation operation, the daily fast diffusion and the gathering work of business turn over air current that carries out through diffusion frame and collection frame simultaneously, supplementary air current carries out efficient heating operation in the inside of heating cabinet, the seat of admitting air and the quick operation of admitting air of suction hood carry out of diffusion frame one end, the comprehensiveness of equipment design has been embodied.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is an overall schematic view of the heating cabinet structure of the present utility model;

FIG. 3 is a schematic view showing a crane structure according to the present utility model;

fig. 4 is a schematic view showing a fan frame and a collection frame structure according to the present utility model.

In the figure: 1. a heating box; 2. a diffusion frame; 3. a fan frame; 4. a collection rack; 5. a top cover; 6. a lifting frame; 7. an electric push rod; 8. a lifting seat; 9. heating pipes; 10. a first positioning bar; 11. a second positioning strip; 12. a side frame; 13. a communication air valve; 14. a gas pipe; 15. a connecting bent pipe; 16. an exhaust seat; 17. a seal ring; 18. an air inlet seat; 19. an air inlet cover; 20. a ventilation fan; 21. and a contact switch.

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.

Referring to fig. 1-4, an embodiment of the present utility model is provided:

the utility model provides an air heater of flow automatically regulated, electric putter 7 that uses in this application, intercommunication pneumatic valve 13, ventilation fan 20 and contact switch 21 are the product that can purchase directly in the market, its principle and connected mode are the well-known prior art of this field technician, including heating cabinet 1, one side fixedly connected with diffusion frame 2 of heating cabinet 1, the opposite side fixedly connected with fan frame 3 of heating cabinet 1, the side fixedly connected with of fan frame 3 collects frame 4, the top fixedly connected with top cap 5 of heating cabinet 1, the both sides of heating cabinet 1 are provided with side bearer 12, the inside of side bearer 12 evenly is provided with intercommunication pneumatic valve 13, the inner wall of heating cabinet 1 evenly is provided with gas-supply tube 14, be provided with connecting elbow 15 between two sets of gas-supply tube 14, the one end fixedly connected with exhaust seat 16 of collecting frame 4, the one end of exhaust seat 16 is provided with sealing washer 17, the one end fixedly connected with inlet seat 18 of diffusion frame 2, the one end of inlet seat 18 is provided with inlet cowl 19, the inside of fan 3 evenly is provided with ventilation fan 20, the side of fan frame 3 evenly is provided with contact switch 21, the inside of fan frame 3 evenly collects the side through the rapid diffusion frame 2 and the air current of carrying out the rapid operation of the rapid diffusion frame 1 and the inside of the rapid diffusion frame 2, the rapid operation of the rapid operation inlet seat 1 is carried out, rapid operation and the rapid operation of the inlet seat is carried out the rapid operation of the inlet seat 1.

The lifting frame 6, the bottom fixedly connected with lifting frame 6 of heating cabinet 1, the four corners of lifting frame 6 bottom is provided with electric putter 7, the inside of lifting frame 6 is provided with lifting seat 8, the side of lifting seat 8 evenly is provided with heating pipe 9, the upper and lower both ends of lifting seat 8 are provided with first location strip 10, the upper and lower both ends of lifting frame 6 inner wall are provided with second location strip 11, when needing to carry out the hot air flow regulation, can start the electric putter 7 of lifting frame 6 bottom, make it drive the inside lifting seat 8 of lifting frame 6 and rise the operation, enter into the central point of gas-supply pipe 14, and carry out the lifting operation to the hot water level of heating cabinet 1 inside, thereby carry out the heating operation to more gas-supply pipes 14, the steam flow that the whole production of lifting apparatus.

When the air conditioner is used, a user firstly connects a hot air pipeline with the sealing ring 17 of the exhaust seat 16, then starts the heating pipe 9 on the side surface of the lifting seat 8 to heat water in the heating box 1, when air flows into the air conveying pipe 14 and the connecting bent pipe 15, efficient heating operation is carried out, meanwhile, when hot air flow is required to be regulated, the electric push rod 7 at the bottom of the lifting frame 6 can be started, the lifting seat 8 in the lifting frame 6 is driven to carry out lifting operation, the air conditioner enters the central position of the air conveying pipe 14, and carries out lifting operation on the hot water level in the heating box 1, so that more air conveying pipes 14 are heated, the hot air flow quantity generated by the whole equipment is improved, and each fan can always maintain balanced ventilation power to improve the service life of the fan.

Claims

1. The utility model provides an air heater of flow automatically regulated, includes heating cabinet (1), its characterized in that: one side of the heating box (1) is fixedly connected with a diffusion frame (2), the other side of the heating box (1) is fixedly connected with a fan frame (3), the side surface of the fan frame (3) is fixedly connected with a collecting frame (4), and the top end of the heating box (1) is fixedly connected with a top cover (5);

the lifting device comprises a lifting frame (6), wherein the lifting frame (6) is fixedly connected to the bottom end of the heating box (1), electric push rods (7) are arranged at four corners of the bottom end of the lifting frame (6), lifting seats (8) are arranged in the lifting frame (6), and heating pipes (9) are uniformly arranged on the side faces of the lifting seats (8).

2. An automatically regulated flow air preheater as set forth in claim 1, wherein: the upper and lower both ends of lifting seat (8) are provided with first location strip (10), the upper and lower both ends of crane (6) inner wall are provided with second location strip (11).

3. An automatically regulated flow air preheater as set forth in claim 1, wherein: the heating box is characterized in that side frames (12) are arranged on two sides of the heating box (1), and communication air valves (13) are uniformly arranged in the side frames (12).

4. An automatically regulated flow air preheater as set forth in claim 1, wherein: the inner wall of the heating box (1) is uniformly provided with air delivery pipes (14), and a connecting bent pipe (15) is arranged between the two groups of air delivery pipes (14).

5. An automatically regulated flow air preheater as set forth in claim 1, wherein: one end of the collecting frame (4) is fixedly connected with an exhaust seat (16), and one end of the exhaust seat (16) is provided with a sealing ring (17).

6. An automatically regulated flow air preheater as set forth in claim 1, wherein: one end of the diffusion frame (2) is fixedly connected with an air inlet seat (18), and one end of the air inlet seat (18) is provided with an air inlet cover (19).

7. An automatically regulated flow air preheater as set forth in claim 1, wherein: the inside of fan frame (3) evenly is provided with ventilation fan (20), the side of fan frame (3) evenly is provided with contact switch (21).