Converter gas waste heat recovery boiler

Abstract

The utility model relates to a converter gas waste heat recovery boiler, which belongs to the technical field of waste heat recovery, and comprises a boiler main body, one side of the boiler main body is fixedly connected with a connecting bin, and the front surface of the boiler main body is provided with a control panel; a connecting piece is arranged on the boiler main body and the connecting bin; the connecting piece comprises an air inlet pipe with one end penetrating through the connecting bin and fixedly connected with the connecting bin, and a cooling fin with one end penetrating through and extending to the inner side of the air inlet pipe is fixedly installed on the outer side of the air inlet pipe. According to the converter gas waste heat recovery boiler, due to the fact that the gas inlet pipe is distributed in the connecting bin in the spiral shape, and the multiple cooling fins used for guiding out heat are arranged on the gas inlet pipe, the temperature in the connecting bin is increased, objects to be dried are placed in the connecting bin, flue gas enters the connecting pipe through the gas inlet pipe and then can heat water flow in the boiler body, and the waste heat recovery efficiency is improved. And the utilization modes after waste heat recovery are diversified, the recovery and utilization effect is good, and therefore the waste heat recovery and utilization rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a converter gas waste heat recovery boiler. Background Art

[0002] At present, external combustion drying converters are all equipped with one or more burners installed on the side of the converter combustion chamber, and a chimney is installed on the top surface of the converter combustion chamber. The flue gas is naturally discharged through the chimney. This combustion method has a high emission temperature and low thermal energy utilization rate. At the same time, in order to improve the thermal energy utilization rate, a heat exchanger can be installed between the converter combustion chamber and the chimney to recover the waste heat.

[0003] For example, the utility model with announcement number CN205079585U discloses a novel drying converter waste heat recovery system, which includes a combustion chamber, an inner liner and a burner, and also includes a waste heat recovery device, and one end of the waste heat recovery device is connected to the burner, and the other end is placed in the combustion chamber, and the inner liner of the drying converter is heated by one or more burners.

[0004] However, the waste heat collected by the waste heat recovery equipment in the above application has a relatively single object of action, that is, a single utilization method, resulting in a low flue gas recovery rate, thereby reducing the waste heat recovery effect. Therefore, a converter gas waste heat recovery boiler is proposed to solve the above problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a converter gas waste heat recovery boiler, which has the advantages of improving the waste heat recovery utilization rate and solves the problem of poor waste heat recovery utilization rate.

[0006] To achieve the above object, the utility model provides the following technical solution: a converter gas waste heat recovery boiler, comprising a boiler body, one side of the boiler body is fixedly connected to a connection bin, and the front of the boiler body is provided with a control panel;

[0007] The boiler body and the connecting chamber are provided with connecting pieces;

[0008] The connecting piece includes an air inlet pipe with one end passing through a connecting bin and fixedly connected to the connecting bin, a heat sink with one end passing through and extending to the inner side thereof is fixedly installed on the outer side of the air inlet pipe, a support rod is fixedly connected to the inner side of the connecting bin, a placement plate located on the outer side of the air inlet pipe is slidably connected to the outer side of the support rod, a connecting pipe with one end passing through and extending to the outer side thereof is fixedly connected to the inner side of the boiler body, the air inlet end of the connecting pipe is connected to the air outlet end of the air inlet pipe, a liquid level gauge is fixedly installed on the inner side wall of the boiler body, a temperature sensor is fixedly installed on the inner side wall of the boiler body, a drain pipe is connected to the lower end of the boiler body, a water inlet pipe is connected to the upper end of the boiler body, and solenoid valves are fixedly installed on the outer sides of the water inlet pipe and the drain pipe;

[0009] A filter is arranged on the other side of the boiler body.

[0010] Furthermore, one end of the air intake pipe located on the inner side of the connecting compartment is spiral-shaped, and the number of the heat sinks is multiple, and the multiple heat sinks are spirally distributed equidistantly on the outer side of the air intake pipe.

[0011] Furthermore, the heat absorbing end of the heat sink is located on the inner side of the air intake pipe, and the heat dissipating end of the heat sink is located on the outer side of the air intake pipe.

[0012] Furthermore, a connecting groove located outside the support rod is opened on one side of the placement plate close to the support rod, a groove located outside the air intake pipe is opened on one side of the placement plate close to the support rod, and a plurality of air holes are opened inside the placement plate.

[0013] Furthermore, the filter element includes a filter bin having one end fixedly connected to the other side of the boiler body, the filter bin is located on the outside of the air outlet end of the connecting pipe, the inner side wall of the filter bin is fixedly connected to a filter plate located on the outside of the connecting pipe, the inner side wall of the filter bin is fixedly connected to a baffle located on the outside of the connecting pipe, and the lower end of the baffle is fixedly connected to a conical block.

[0014] Furthermore, a circular hole located outside the connecting pipe is opened inside the baffle, the number of the conical blocks is several, and the conical blocks are evenly distributed on the baffle, and one side of the filter bin is connected to an exhaust pipe.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] 1. The converter gas waste heat recovery boiler has an air inlet pipe spirally distributed in the connecting bin, and a number of heat sinks for conducting heat are arranged on the air inlet pipe, thereby increasing the temperature in the connecting bin for placing items to be dried. After the flue gas enters the connecting pipe through the air inlet pipe, it can heat the water flow in the boiler body, diversifying the utilization methods of the waste heat after recovery, and achieving a good recycling effect, thereby improving the waste heat recovery rate.

[0017] 2. The converter gas waste heat recovery boiler is equipped with solenoid valves on the water inlet pipe and the drain pipe. Therefore, by monitoring the water level with a liquid level gauge and the water temperature with a thermometer, the water can be automatically replaced after the water temperature reaches the standard, further improving the waste heat recovery rate and the degree of automation of the entire equipment.

[0018] 3. The converter gas waste heat recovery boiler has a filter chamber located outside the connecting pipe that can filter out smoke dust when the flue gas is discharged through water flow, while the filter plate located outside the connecting pipe can adsorb water-insoluble gases to reduce the degree of pollution when the flue gas is discharged, thereby achieving an environmental protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a front cross-sectional view of the overall structure of the utility model;

[0021] Figure 3 This is a three-dimensional schematic diagram of the placement plate structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the filter element of the utility model.

[0023] In the figure: 1 boiler body, 2 connecting chamber, 3 control panel, 4 filter element, 41 filter chamber, 42 filter plate, 43 exhaust pipe, 44 baffle, 45 conical block, 5 connecting element, 51 air inlet pipe, 52 chamber door, 53 placement plate, 54 heat sink, 55 support rod, 56 connecting pipe, 57 liquid level meter, 58 temperature sensor, 59 drain pipe, 510 solenoid valve, 511 water inlet pipe. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-3 In this embodiment, a converter gas waste heat recovery boiler comprises a boiler body 1, a connection chamber 2 is fixedly connected to one side of the boiler body 1, a chamber door 52 is hingedly connected to the back of the connection chamber 2, and a control panel 3 is arranged on the front of the boiler body 1;

[0026] A connecting piece 5 is provided on the boiler body 1 and the connecting chamber 2;

[0027] The connecting member 5 includes an air inlet pipe 51 having one end passing through the connecting bin 2 and fixedly connected to the connecting bin 2, a heat sink 54 having one end passing through and extending to the inner side thereof is fixedly installed on the outer side of the air inlet pipe 51, a support rod 55 is fixedly connected to the inner side of the connecting bin 2, a placement plate 53 located on the outer side of the air inlet pipe 51 is slidably connected to the outer side of the support rod 55, a connecting pipe 56 having one end passing through and extending to the outer side thereof is fixedly connected to the inner side of the boiler body 1, an air inlet end of the connecting pipe 56 is connected to an air outlet end of the air inlet pipe 51, a liquid level gauge 57 is fixedly installed on the inner side wall of the boiler body 1, a temperature sensor 58 is fixedly installed on the inner side wall of the boiler body 1, a drain pipe 59 is connected to the lower end of the boiler body 1, a water inlet pipe 511 is connected to the upper end of the boiler body 1, and electromagnetic valves 510 are fixedly installed on the outer sides of the water inlet pipe 511 and the drain pipe 59.

[0028] In this embodiment, since the air intake pipe 51 is spirally distributed in the connecting chamber 2, and a plurality of heat sinks 54 for dissipating heat are provided on the air intake pipe 51, the temperature in the connecting chamber 2 is increased, and the items to be dried are placed therein. After the flue gas enters the connecting pipe 56 through the air intake pipe 51, it can heat the water flow in the boiler body 1, thereby diversifying the utilization methods of the waste heat after recovery and achieving a good recovery and utilization effect, thereby improving the waste heat recovery and utilization rate.

[0029] Among them, one end of the air intake pipe 51 located on the inner side of the connecting chamber 2 is spirally shaped, and the number of heat sinks 54 is multiple, and the multiple heat sinks 54 are spirally and equidistantly distributed on the outer side of the air intake pipe 51, thereby increasing the travel path of the air intake pipe 51 in the connecting chamber 2.

[0030] In addition, the heat absorbing end of the heat sink 54 is located on the inner side of the air intake pipe 51, and the heat dissipating end of the heat sink 54 is located on the outer side of the air intake pipe 51, so that when the air intake pipe 51 is conveying flue gas, the heat sink 54 can extract part of the heat in the flue gas, thereby improving the waste heat recovery efficiency.

[0031] In addition, a connecting groove located on the outside of the support rod 55 is opened on the side of the placement plate 53 close to the support rod 55, a groove located on the outside of the air inlet pipe 51 is opened on the side of the placement plate 53 close to the support rod 55, and a number of air holes are opened inside the placement plate 53. Through the several air holes on the placement plate 53, the hot air in the connecting warehouse 2 can pass through the placement plate 53, making the hot air in the connecting warehouse 2 more uniform.

[0032] It should be noted that the end of the connecting pipe 56 located on the inner side of the boiler body 1 is also spiral, and the control panel 3 is electrically connected to the liquid level meter 57 and the temperature sensor 58 respectively, so that after the operator sets the monitoring temperature of the temperature sensor 58 through the control panel 3, the temperature sensor 58 can transmit a signal to the control panel 3, so that the control panel 3 controls the opening and closing of the bottom solenoid valve 510, and after the liquid level meter 57 monitors that the water level reaches the standard, the top solenoid valve 511 is controlled to be closed, otherwise it is opened, and the liquid inlet end of the water inlet pipe 511 is connected to the water source output end such as a faucet, and the water outlet end of the drain pipe 59 is connected to the water inlet end of the water source storage end, such as an incubator.

[0033] See also Figure 2 Or 4, in this embodiment, a filter element 4 is provided on the other side of the boiler body 1, and the filter element 4 includes a filter bin 41 fixedly connected at one end to the other side of the boiler body 1, and the filter bin 41 is located on the outside of the gas outlet end of the connecting pipe 56, and the inner side wall of the filter bin 41 is fixedly connected to a filter plate 42 located on the outside of the connecting pipe 56, and the inner side wall of the filter bin 41 is fixedly connected to a baffle 44 located on the outside of the connecting pipe 56, and the lower end of the baffle 44 is fixedly connected to a conical block 45.

[0034] In this embodiment, the filter chamber 41 located on the outside of the connecting pipe 56 can filter out smoke dust when the smoke is discharged through water flow, and the filter plate 42 located on the outside of the connecting pipe 56 can adsorb water-insoluble gases to reduce the degree of pollution when the smoke is discharged, thereby achieving an environmental protection effect.

[0035] The baffle 44 has a circular hole on the outside of the connecting pipe 56 . There are a plurality of conical blocks 45 equidistantly distributed on the baffle 44 . One side of the filter chamber 41 is connected to an exhaust pipe 43 .

[0036] The working principle of the above embodiment is:

[0037] Since the air inlet pipe 51 is spirally distributed in the connection chamber 2, and a plurality of heat sinks 54 for conducting heat are arranged on the air inlet pipe 51, the temperature in the connection chamber 2 is increased, and the articles to be dried are placed on the placement plate 53 for drying. After the flue gas enters the connection pipe 56 through the air inlet pipe 51, it can heat the water flow in the boiler body 1, so that the utilization mode of the waste heat after recovery is diversified, and the recovery and utilization effect is good, thereby improving the waste heat recovery rate. The solenoid valve 510 is arranged on the water inlet pipe 511 and the drain pipe 59. Therefore, by monitoring the water level with the liquid level meter 57 and monitoring the water temperature with the thermometer 58, it is possible to realize automatic water replacement after the water temperature reaches the standard, further improving the waste heat recovery rate and the automation degree of the whole equipment;

[0038] The filter chamber 41 located outside the connecting pipe 56 can filter out smoke dust when the smoke is discharged through water flow, and the conical block 45 located on the baffle 44 can puncture the bubbles generated by the discharged smoke to improve the filtering effect, and the filter plate 42 located outside the connecting pipe 56 can adsorb water-insoluble gases to reduce the degree of pollution when the smoke is discharged, thereby achieving an environmental protection effect.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] 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. A converter gas waste heat recovery boiler, comprising a boiler body (1), characterized in that: A connection compartment (2) is fixedly connected to one side of the boiler body (1), and a control panel (3) is provided on the front of the boiler body (1); The boiler body (1) and the connecting chamber (2) are provided with connecting pieces (5); The connecting member (5) comprises an air intake pipe (51) having one end penetrating through the connecting chamber (2) and fixedly connected to the connecting chamber (2); a heat sink (54) having one end penetrating through and extending to the inside of the air intake pipe (51) is fixedly installed on the outside of the air intake pipe (51); a support rod (55) is fixedly connected to the inside of the connecting chamber (2); a placement plate (53) located on the outside of the air intake pipe (51) is slidably connected to the outside of the support rod (55); and a connecting pipe having one end penetrating through and extending to the outside of the boiler body (1) is fixedly connected to the inside of the boiler body (1). (56), the air inlet end of the connecting pipe (56) is connected to the air outlet end of the air inlet pipe (51), a liquid level meter (57) is fixedly installed on the inner wall of the boiler body (1), a temperature sensor (58) is fixedly installed on the inner wall of the boiler body (1), the lower end of the boiler body (1) is connected to a drain pipe (59), the upper end of the boiler body (1) is connected to a water inlet pipe (511), and electromagnetic valves (510) are fixedly installed on the outer sides of the water inlet pipe (511) and the drain pipe (59); A filter element (4) is provided on the other side of the boiler body (1).

2. The converter gas waste heat recovery boiler according to claim 1, characterized in that: One end of the air intake pipe (51) located inside the connection chamber (2) is spiral-shaped, and the number of the heat sinks (54) is a plurality, and the plurality of heat sinks (54) are spirally distributed at equal intervals on the outside of the air intake pipe (51).

3. The converter gas waste heat recovery boiler according to claim 1, characterized in that: The heat absorbing end of the heat sink (54) is located on the inner side of the air intake pipe (51), and the heat dissipating end of the heat sink (54) is located on the outer side of the air intake pipe (51).

4. The converter gas waste heat recovery boiler according to claim 1, characterized in that: A connecting groove located outside the support rod (55) is provided on one side of the placement plate (53) close to the support rod (55), a groove located outside the air inlet pipe (51) is provided on one side of the placement plate (53) close to the support rod (55), and a plurality of air holes are provided inside the placement plate (53).

5. The converter gas waste heat recovery boiler according to claim 1, characterized in that: The filter element (4) comprises a filter chamber (41) having one end fixedly connected to the other side of the boiler body (1); the filter chamber (41) is located outside the gas outlet end of the connecting pipe (56); the inner side wall of the filter chamber (41) is fixedly connected to a filter plate (42) located outside the connecting pipe (56); the inner side wall of the filter chamber (41) is fixedly connected to a baffle (44) located outside the connecting pipe (56); and the lower end of the baffle (44) is fixedly connected to a conical block (45).

6. The converter gas waste heat recovery boiler according to claim 5, characterized in that: A circular hole located outside the connecting pipe (56) is provided inside the baffle (44), a plurality of the conical blocks (45) are provided, and the conical blocks (45) are evenly distributed on the baffle (44), and one side of the filter chamber (41) is connected to an exhaust pipe (43).

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