Anti-blocking boiler energy saver

Abstract

The utility model discloses an anti-blocking boiler energy saver which comprises a shell, and the two ends of the shell are fixedly connected with an air inlet pipe and an air outlet pipe respectively. And an anti-blocking assembly. According to the utility model, firstly, the connecting pipe is communicated with the boiler flue, when flue gas passes through the interior of the shell, heat can be transferred to the shell to heat the shell, and the shell synchronously transfers the heat to the heat exchange water pipe, so that the waste heat of the flue gas is fully utilized for heating, the temperature of return water entering the boiler is high, the heat loss is reduced, and the heat efficiency is improved; when flue gas is discharged in the shell, dust particles in the flue gas can be blocked and drained by the blocking plate, meanwhile, the dust particles smoothly fall into the discharging opening through filtering of the filtering holes, blockage caused by accumulation of the dust particles in the shell is avoided, and the dust particles enter from the discharging opening under the gravity effect during use, so that the dust particles are prevented from entering the discharging opening. And the dust particles penetrate through the discharging pipe and enter the collecting bottle to be collected, so that the dust particles can be conveniently cleaned, and the convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler economizers, in particular to an anti-clogging boiler economizer. Background Art

[0002] Boiler economizer, also known as flue gas waste heat recovery device or economizer, mainly works on the principle of using the waste heat in the high-temperature flue gas discharged by the boiler for secondary heat exchange. In this way, the exhaust temperature of the boiler can be reduced, the heat loss can be reduced, and the overall thermal efficiency can be improved.

[0003] A boiler economizer with a publication number of CN204718131U comprises a cylindrical outer shell, a water pipe is arranged inside the outer shell, and the water pipe is spirally arranged to form a cone; an inlet connected to the boiler flue is arranged at the center of the bottom plate of the outer shell, and an annular outlet is arranged around the upper end. The utility model is directly connected to the boiler flue, and a spiral pipe is arranged inside it, which makes full use of the waste heat of the flue gas for heating, so that the return water temperature entering the boiler is high, the heat loss is reduced, and the thermal efficiency is improved. However, the above-mentioned boiler economizer does not have an anti-blocking structure during its use, so that during the heat recovery process, dust in the flue gas is easily blocked, affecting the flue gas flue flue, and also affecting the stability of the device during use. Therefore, it is necessary to provide a new anti-blocking boiler economizer to solve the above-mentioned technical problems. Utility Model Content

[0004] The utility model aims to provide an anti-clogging boiler economizer, which has the advantages of rapid heat exchange, anti-clogging and easy cleaning, and solves the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging boiler economizer, comprising: a shell, wherein the two ends of the shell are respectively fixedly connected with an air inlet pipe and an air outlet pipe; an anti-clogging component, wherein the anti-clogging component comprises two discharge ports, and the two discharge ports are both opened at the bottom of the shell, and the connecting pipe is first connected to the boiler flue, and when the flue gas passes through the inside of the shell, the heat can be transferred to the shell to make the shell warm up, and the shell simultaneously transfers the heat to the hot water exchange pipe, and fully utilizes the waste heat of the flue gas for heating, so that the return water temperature entering the boiler is high, the heat loss is reduced, and the thermal efficiency is improved, when the flue gas is discharged from the inside of the shell, the dust particles in the flue gas will be blocked and drained by the baffle, and at the same time, the dust particles are filtered through the filter holes so that the dust particles fall smoothly into the inside of the discharge port, avoiding the accumulation of dust particles inside the shell and causing blockage, and at the same time, the dust particles enter from the discharge port under the action of gravity, and pass through the discharge pipe into the inside of the collection bottle for collection, which can facilitate the cleaning of the dust particles and improve the convenience.

[0006] Preferably, the anti-blocking component also includes two baffles, which are respectively fixedly connected to the right side of the discharge port, and filter holes are evenly opened inside the two baffles. The baffles can drain dust particles in the flue gas, and the filter holes can filter the dust particles so that they enter the interior of the discharge port through gravity after filtering and drainage.

[0007] Preferably, a heat exchange water pipe is embedded in the shell, and the heat exchange water pipe is a metal pipe body. The heat exchange water pipe can absorb heat in the flue gas, so that the water inside the heat exchange water pipe is heated.

[0008] Preferably, both ends of the heat exchange water pipe are fixedly connected with a water inlet pipe and a water outlet pipe, respectively. The water inlet pipe can be connected to a water source, and the water outlet pipe can be connected to a boiler, so that the boiler return water temperature is increased, heat loss is reduced, and thermal efficiency is improved.

[0009] Preferably, one end of the air inlet pipe away from the shell is fixedly connected to a connecting pipe, a heat-resistant sealing ring is provided inside the connecting pipe, and the connecting pipe can be connected to the boiler air duct.

[0010] Preferably, the insides of the two discharge ports are fixedly connected with discharge pipes, and the bottom threads of the discharge pipes are rotatably connected with collecting bottles, and the collecting bottles can be used to collect dust particles filtered by the railing drainage.

[0011] Preferably, a transparent scale bar is fixedly connected to the outside of the collecting bottle, and the transparent scale bar can facilitate observation of the current dust particle collection amount inside the collecting bottle, facilitate timely cleaning, and improve the convenience of inspection and maintenance.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model first connects the connecting pipe with the boiler flue. When the flue gas passes through the inside of the shell, the heat can be transferred to the shell to make the shell warm up. The shell simultaneously transfers the heat to the hot water exchange pipe, making full use of the waste heat of the flue gas for heating, so that the return water temperature entering the boiler is high, reducing heat loss and improving thermal efficiency. When the flue gas is discharged inside the shell, the dust particles in the flue gas will be blocked and drained by the baffle, and at the same time, the dust particles are filtered through the filter holes so that the dust particles can fall smoothly into the inside of the discharge port, avoiding the accumulation of dust particles inside the shell and causing blockage.

[0014] Second, when the utility model is used, dust particles enter from the discharge port under the action of gravity, and pass through the discharge pipe into the interior of the collection bottle for collection, which can facilitate the cleaning of dust particles and improve convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external structure of an anti-clogging boiler economizer of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of an anti-clogging boiler economizer of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal disassembled structure of an anti-clogging boiler economizer of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the back structure of an anti-clogging boiler economizer.

[0019] In the figure: 1. connecting pipe; 2. air inlet pipe; 3. shell; 4. air outlet pipe; 5. hot water exchange pipe; 6. discharge port; 7. water inlet pipe; 8. water outlet pipe; 9. guardrail; 10. filter hole; 11. collecting bottle; 12. transparent scale bar; 13. discharge pipe. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: an anti-clogging boiler economizer, comprising: a shell body 3, the two ends of the shell body 3 are respectively fixedly connected with an air inlet pipe 2 and an air outlet pipe 4; an anti-clogging component, the anti-clogging component comprises two discharge ports 6, and the two discharge ports 6 are both opened at the bottom of the shell body 3. First, the connecting pipe 1 is connected to the boiler flue. When the flue gas passes through the inside of the shell body 3, the heat can be transferred to the shell body 3 to make the shell body 3 warm up. The shell body 3 simultaneously transfers the heat to the hot water exchange pipe 5, and fully utilizes the waste heat of the flue gas for heating, so that the return water temperature entering the boiler is high, the heat loss is reduced, and the thermal efficiency is improved. When the flue gas is discharged from the inside of the shell body 3, the dust particles in the flue gas will be blocked and drained by the baffle 9. At the same time, the dust particles are filtered through the filtering holes 10 so that the dust particles fall smoothly into the inside of the discharge port 6, so as to avoid the accumulation of dust particles in the inside of the shell body 3 and cause blockage. At the same time, the dust particles enter from the discharge port 6 under the action of gravity, and pass through the discharge pipe 13 to enter the inside of the collecting bottle 11 for collection, which can facilitate the cleaning of the dust particles and improve the convenience.

[0022] The anti-blocking component also includes two baffles 9, which are respectively fixedly connected to the right side of the discharge port 6. Filter holes 10 are evenly opened inside the two baffles 9. The baffles 9 can drain the dust particles in the flue gas, and the filter holes 10 can filter the dust particles so that they enter the interior of the discharge port 6 through gravity after filtering and drainage.

[0023] A hot water exchange pipe 5 is embedded in the shell 3 . The hot water exchange pipe 5 is a metal pipe. The hot water exchange pipe 5 can absorb heat from the flue gas, so that the water inside the hot water exchange pipe 5 is heated.

[0024] The two ends of the hot water exchange pipe 5 are respectively fixedly connected with an inlet pipe 7 and an outlet pipe 8. The inlet pipe 7 can be connected to a water source, and the outlet pipe 8 can be connected to a boiler, so that the boiler return water temperature is increased, heat loss is reduced, and thermal efficiency is improved.

[0025] One end of the air inlet pipe 2 away from the shell 3 is fixedly connected with a connecting pipe 1, and a heat-resistant sealing ring is arranged inside the connecting pipe 1. The connecting pipe 1 can be connected to the boiler air duct.

[0026] When the anti-clogging boiler economizer is in use, the connecting pipe 1 is first connected to the boiler flue. When the flue gas passes through the shell 3, the heat can be transferred to the shell 3 to heat the shell 3. The shell 3 simultaneously transfers the heat to the hot water exchange pipe 5, and the waste heat of the flue gas is fully utilized for heating, so that the return water temperature entering the boiler is high, the heat loss is reduced, and the thermal efficiency is improved. When the flue gas is discharged from the shell 3, the dust particles in the flue gas will be blocked and drained by the baffle 9. At the same time, the dust particles are filtered through the filter holes 10 so that the dust particles can smoothly fall into the inside of the discharge port 6, thereby preventing the dust particles from accumulating inside the shell 3 and causing blockage.

[0027] See also Figures 1 to 4 The utility model provides a technical solution: an anti-clogging boiler economizer, wherein the two discharge ports 6 are fixedly connected with discharge pipes 13, and the bottom of the discharge pipes 13 is rotatably connected with a collecting bottle 11, which can be used to collect dust particles filtered by the railing 9.

[0028] A transparent scale bar 12 is fixedly connected to the outside of the collecting bottle 11. The transparent scale bar 12 can facilitate observation of the current dust particle collection amount inside the collecting bottle 11, facilitate timely cleaning, and improve the convenience of inspection and maintenance.

[0029] When the anti-clogging boiler economizer is in use, dust particles enter from the discharge port 6 under the action of gravity, and pass through the discharge pipe 13 to enter the interior of the collecting bottle 11 for collection, which can facilitate the cleaning of the dust particles and improve convenience.

[0030] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and the drawings can also be directly processed according to the existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-clogging boiler economizer, characterized in that: include: A shell (3), wherein two ends of the shell (3) are respectively fixedly connected with an air inlet pipe (2) and an air outlet pipe (4); The anti-blocking component comprises two feed openings (6), and the two feed openings (6) are both opened at the bottom of the shell (3).

2. The anti-clogging boiler economizer according to claim 1, characterized in that: The anti-blocking component also includes two baffles (9), the two baffles (9) are respectively fixedly connected to the right side of the feed opening (6), and the insides of the two baffles (9) are evenly provided with filtering holes (10).

3. The anti-clogging boiler economizer according to claim 1, characterized in that: A hot water exchange pipe (5) is embedded in the shell (3), and the hot water exchange pipe (5) is a metal pipe.

4. The anti-clogging boiler economizer according to claim 3, characterized in that: The two ends of the hot water exchange pipe (5) are respectively fixedly connected with a water inlet pipe (7) and a water outlet pipe (8).

5. The anti-clogging boiler economizer according to claim 1, characterized in that: One end of the air intake pipe (2) away from the housing (3) is fixedly connected to a connecting pipe (1), and a heat-resistant sealing ring is provided inside the connecting pipe (1).

6. The anti-clogging boiler economizer according to claim 1, characterized in that: The insides of the two discharge ports (6) are both fixedly connected with discharge pipes (13), and the bottoms of the discharge pipes (13) are threadedly connected with collecting bottles (11).

7. The anti-clogging boiler economizer according to claim 6, characterized in that: A transparent scale bar (12) is fixedly connected to the outside of the collecting bottle (11).

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