A smoke guide device and a gas water heater using the same

Through the combination of smoke hood, smoke exhaust fan, smoke treatment mechanism and guide heat exchange mechanism, the problems of heat energy waste and environmental pollution of existing smoke guide device are solved, smoke heat energy recovery and carbon dioxide filtration are realized, and energy utilization rate and environmental protection are improved.

CN116164418BActive Publication Date: 2025-10-17GUANGDONG HESHENG THERMAL ENERGY TECH CO LTD
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Patent Information

Application Number
CN202310175118.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-28
Publication Date
2025-10-17
Estimated Expiration
2043-02-28

AI Technical Summary

Technical Problem

The existing smoke guide device has a simple structure and can only collect and guide the smoke, but cannot effectively recover the heat in the smoke, resulting in waste of heat energy, and the smoke emission has an impact on the environment.

Method used

A smoke guide device including a smoke hood, a smoke exhaust fan, a smoke treatment mechanism and a guide and heat exchange mechanism is designed. The flue gas heat energy is recovered through the guide plate and heat exchange pipes, and a carbon dioxide filter is set in the smoke treatment mechanism to reduce emission pollution.

Benefits of technology

It improves energy utilization, reduces thermal pollution, realizes the recovery and utilization of flue gas heat energy, and reduces the impact on the atmospheric environment through carbon dioxide filters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to gas water heater equipment technical field, more specifically, it relates to a kind of smoke guide device and the gas water heater of the device, including smoke collecting cover, smoke exhaust fan, flue gas treatment mechanism and flow guide heat exchange mechanism;The smoke collecting cover below is equipped with smoke collecting port, and flow guide heat exchange mechanism is connected in smoke collecting port;The smoke collecting cover top is equipped with smoke guide port, and the smoke guide port is connected with the smoke inlet of smoke exhaust fan, and the smoke outlet of smoke exhaust fan is connected with flue gas treatment mechanism.In the inside of smoke guide device, flow guide heat exchange mechanism for guiding and sending flue gas and carrying out heat exchange can improve the flue gas collection effect, while recycling the heat energy in flue gas, improve the energy utilization rate, and reduce the heat pollution generated by directly discharging flue gas;Flue gas treatment mechanism is also arranged in the inside of smoke guide device, carbon dioxide in flue gas can be filtered out by carbon dioxide filter in the inside of flue gas treatment mechanism, reduce the influence caused by discharging flue gas on atmospheric environment.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gas water heater equipment, more particularly to a smoke guide device and a gas water heater using the same. BACKGROUND

[0002] The smoke guide device is mainly used for collecting and guiding the flue gas generated by the combustion device of the gas water heater. The existing smoke guide device has a single structure and function, and only has the basic function of collecting and guiding the flue gas. The flue gas generated by the combustion device of the gas water heater has a very high temperature, and if this part of heat is not utilized, it will cause a great waste.

[0003] For example, the application number CN2021109389335, a smoke guide device with a guide plate and a gas water heater, includes a casing, a smoke collecting cover, and a fan, and further includes a guide plate for guiding flue gas and a plurality of fasteners. The guide plate includes a flat plate portion and an extension plate portion extending along the length direction of the two side edges of the flat plate portion. The flat plate portion is provided with a plurality of flue gas holes, wherein the area of the flue gas hole close to the smoke inlet hole is smaller than the area of the flue gas hole away from the smoke inlet hole. The smoke guide device of this application only has the basic function of collecting and guiding the flue gas, and cannot recycle and utilize the heat in the flue gas, causing waste of heat energy. SUMMARY

[0004] A series of simplified concepts are introduced in the summary section, which will be further described in detail in the specific embodiment section. The summary section of the present application does not mean to attempt to limit the key features and necessary technical features of the claimed technical solution, nor to determine the protection scope of the claimed technical solution.

[0005] To at least partially solve the above problems, the present application provides a smoke guide device, which comprises a smoke collecting cover, a smoke exhaust fan, a flue gas treatment mechanism and a flow guide heat exchange mechanism. The smoke collecting cover is provided with a smoke collecting port below, and the smoke collecting port is connected with the flow guide heat exchange mechanism. The smoke collecting cover is provided with a smoke guide port above, and the smoke guide port is connected with the smoke inlet port of the smoke exhaust fan. The smoke outlet port of the smoke exhaust fan is connected with the flue gas treatment mechanism.

[0006] Optionally, the flue gas treatment mechanism comprises a flue gas guide pipe and a carbon dioxide filter installed in the flue gas guide pipe, so as to filter out the carbon dioxide in the flue gas through the carbon dioxide filter.

[0007] Optionally, the flow guide heat exchange mechanism comprises a flow guide plate, which is detachably connected in the smoke collecting port, a plurality of flue gas guide holes are uniformly arranged on the flow guide plate, a heat exchange pipe is connected to the flow guide plate, and the heat exchange pipe is located in a heat exchange chamber formed between the smoke hood and the flow guide plate; a medium input pipe of the heat exchange pipe is connected to a medium inlet fixed on the side wall of the smoke hood, and a medium output pipe of the heat exchange pipe is connected to a medium outlet fixed on the side wall of the smoke hood.

[0008] Optionally, the flue gas guide hole is a conical hole without a tapered tip, and the hole diameter of the flue gas guide hole close to one end of the heat exchange pipe is smaller than the hole diameter of the flue gas guide hole away from the other end of the heat exchange pipe.

[0009] Optionally, the heat exchange pipe comprises a heat exchange straight pipe, a plurality of heat exchange straight pipes are arranged side by side, one end of the plurality of heat exchange straight pipes is fixed in a plurality of shunt holes of a shunt box, and the medium input pipe is fixed in an input hole of the shunt box; the other end of the plurality of heat exchange straight pipes is fixed in a plurality of flow holes of a flow box, and the medium output pipe is fixed in an output hole of the flow box; the flow box and the shunt box are oppositely fixed on both ends of the flow guide plate; and the plurality of flue gas guide holes of the flow guide plate are arranged towards the bottom of the plurality of heat exchange straight pipes.

[0010] Optionally, the flow guide heat exchange mechanism further comprises a cleaning assembly, the cleaning assembly comprises a control screw, the middle part of the control screw is threadedly connected in the internal threaded hole of the side of the smoke hood, the inner end of the control screw is rotatably connected to a movable frame, a plurality of cleaning pipes arranged side by side are rotatably connected to the movable frame, the plurality of cleaning pipes are sleeved on the plurality of heat exchange straight pipes to clean the dirt on the outer surface of the plurality of heat exchange straight pipes under the transmission control of the control screw and the movable frame; both ends of the cleaning pipe are conical pipe structures, and a plurality of open grooves are uniformly arranged around the outer end of the conical pipe structure.

[0011] Optionally, the control screw comprises a screw body, the middle part of the screw body is threadedly connected in the internal threaded hole of the side of the smoke hood; a six-rib slide is arranged at the inner end of the screw body, a six-rib slide rod is slidably connected in the six-rib slide, and the six-rib slide rod and the inner side of the six-rib slide are fixedly connected through a buffer compression spring; a limiting slide block is arranged at one end of the six-rib slide rod, the limiting slide block is slidably arranged in the limiting slide of the inner end of the screw body, a short shaft is fixedly arranged at the other end of the six-rib slide rod, and the short shaft is rotatably arranged on the movable frame; a driving gear is fixedly arranged on the short shaft, and the driving gear is engaged with a driven gear fixed on one cleaning pipe; one synchronous pulley is fixedly arranged on each cleaning pipe, and the plurality of synchronous pulleys are transmissionally connected through a synchronous belt.

[0012] Optionally, the cleaning assembly is provided with two, the outer end of the screw body of the two cleaning assemblies is connected with the two smoke inlet control assemblies one by one; the smoke inlet control assembly comprises a vertical connecting plate, the vertical connecting plate is provided with a circular through hole for the screw body to pass through, a limiting bolt is threadedly connected to the vertical connecting plate, and the inner end of the limiting bolt slides in the annular groove of the outer end of the screw body; the linkage plate is fixed to the outer end of the blocking sliding plate, and the blocking sliding plate is slidingly connected in the horizontal sliding groove in the side of the guide plate to block and control the plurality of smoke guide holes on the guide plate.

[0013] Optionally, the smoke inlet control assembly further comprises a smoke guide plate and a first side plate, one end of the smoke guide plate is rotatably connected to the inner end of the blocking sliding plate, the other end of the smoke guide plate slides in the vertical sliding groove of the first side plate, and the first side plate is fixed to one side of the bottom surface of the smoke guide plate; two second side plates are further fixed to the bottom surface of the smoke guide plate, the two second side plates are arranged in a staggered manner with the two first side plates of the two smoke inlet control assemblies, and the bottom of the two second side plates and the two first side plates forms a rectangular smoke inlet.

[0014] Optionally, the gas water heater applying the device comprises the smoke guide device of any one of the above.

[0015] Compared with the prior art, the present application has at least the following advantages:

[0016] The present application provides a smoke guide device and a gas water heater applying the device, which is provided with a guide heat exchange mechanism inside for guiding and heat exchanging the smoke, can improve the smoke collection effect, recycle the heat energy in the smoke, improve the energy utilization rate, and reduce the heat pollution caused by directly discharging the smoke; the smoke treatment mechanism is further arranged inside the smoke guide device, which can filter out the carbon dioxide in the smoke through the carbon dioxide filter inside the smoke treatment mechanism, and reduce the influence of the discharged smoke on the atmospheric environment.

[0017] The present application has the following advantages:

[0018] 1. The present application is provided with a heat exchange pipe inside, which can recycle the heat energy in the smoke, improve the energy utilization rate, and save energy and protect the environment;

[0019] 2. The present application is provided with a guide plate inside, which can guide and disperse the smoke collected by the present application, improve the uniformity of the smoke entering the heat exchange chamber, and improve the heat exchange effect of the smoke and the heat exchange pipe;

[0020] 3. The present application is provided with a cleaning assembly inside, which can clean the heat exchange straight pipe for heat exchange treatment of the smoke, prevent too much dirt or too much rust from accumulating on the heat exchange straight pipe, ensure the subsequent heat exchange effect, and improve the service life of the heat exchange straight pipe;

[0021] 4. The internal set of the application is provided with a smoke inlet control assembly, the number of smoke guide holes on the deflector can be changed through the smoke inlet control assembly, so as to meet the smoke exhaust demand of different combustion conditions, and through the smoke inlet control assembly, the number of opened smoke guide holes can be changed, at the same time, the cleaning assembly can be controlled to clean the heat exchange straight pipe, a variety of functions of one-step operation are realized, and the practicability is high.

[0022] In order to make the above-mentioned purpose, characteristics and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or related technical description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 The overall schematic diagram provided for the embodiments of the present application is provided;

[0025] Figure 2 The structure schematic of the deflection heat exchange mechanism provided for the embodiments of the present application is provided Figure 1 ;

[0026] Figure 3 The structure schematic of the deflection heat exchange mechanism provided for the embodiments of the present application is provided Figure 2 ;

[0027] Figure 4 The cross-sectional view of the deflection heat exchange mechanism provided for the embodiments of the present application is provided;

[0028] Figure 5 The structure schematic of the deflection plate provided for the embodiments of the present application is provided;

[0029] Figure 6 The structure schematic of the heat exchange pipe provided for the embodiments of the present application is provided;

[0030] Figure 7 The structure schematic of the cleaning assembly provided for the embodiments of the present application is provided;

[0031] Figure 8 The structure schematic of the control screw provided for the embodiments of the present application is provided;

[0032] Figure 9 The structure schematic of the cleaning pipe provided for the embodiments of the present application is provided;

[0033] Figure 10A structural schematic diagram of the smoke inlet control assembly provided by the embodiment of the present application is shown.

[0034] Icon: smoke hood 1; smoke exhaust fan 2; smoke treatment mechanism 3; flow guide heat exchange mechanism 4; flow guide plate 5; smoke guide hole 51; heat exchange pipe 6; heat exchange straight pipe 61; shunt box 62; flow box 63; cleaning assembly 7; control screw 71; screw body 71; six-ribbed slide rod 712; buffer compression spring 713; limit slide 714; short shaft 715; movable frame 72; cleaning pipe 73; driving gear 74; driven gear 75; synchronous pulley 76; synchronous belt 77; smoke inlet control assembly 8; vertical connecting plate 81; limit bolt 82; first side plate 83; blocking slide plate 84; smoke guide plate 85. DETAILED DESCRIPTION

[0035] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly and specifically limited.

[0039] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions for implementation of this application. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of this application. Changes or adjustments in their relative relationships should also be considered as the scope of implementation of this application without substantially changing the technical content.

[0040] The following is combined with Figures 1-10 The present invention is described in further detail.

[0041] Example 1

[0042] like Figures 1-10 As shown, a smoke guiding device includes a smoke collecting hood 1, a smoke exhaust fan 2, a smoke treatment mechanism 3 and a guide and heat exchange mechanism 4; a smoke collecting port is provided below the smoke collecting hood 1, and the smoke collecting port is connected to the guide and heat exchange mechanism 4; a smoke guiding port is provided above the smoke collecting hood 1, and the smoke guiding port is connected to the smoke inlet of the smoke exhaust fan 2, and the smoke outlet of the smoke exhaust fan 2 is connected to the smoke treatment mechanism 3.

[0043] The working principle and beneficial effects of the above technical solution are:

[0044] A smoke guide device of the present invention is used to collect and guide out the smoke generated by the combustion device of a gas water heater. When in use, the smoke exhaust fan 2 is powered on and started. After the smoke exhaust fan 2 is started, the smoke can be extracted into the smoke collection hood 1 in cooperation with the smoke collection hood 1. The smoke is guided, diverted and heat-exchanged by the guide and heat exchange mechanism 4 at the smoke collection port of the smoke collection hood 1. While improving the smoke collection effect, the heat energy in the smoke can be recovered and utilized, thereby improving the energy utilization rate and reducing the thermal pollution caused by directly emitting smoke. A smoke treatment mechanism 3 is provided in the smoke outlet of the smoke exhaust fan 2, and the smoke can be filtered and treated by the smoke treatment mechanism to reduce the impact of the discharged smoke on the atmospheric environment.

[0045] Example 2

[0046] like Figures 1-10 As shown, the flue gas treatment mechanism 3 includes a flue gas outlet pipe and a carbon dioxide filter installed in the flue gas outlet pipe to filter out carbon dioxide in the flue gas through the carbon dioxide filter.

[0047] The working principle and beneficial effects of the above technical solution are:

[0048] In the smoke guide device, the smoke guide pipe is connected with the smoke inlet of the smoke exhaust fan 2 through thread cooperation or is sealingly inserted into the smoke inlet of the smoke exhaust fan 2, so as to realize detachable connection, and the smoke guide pipe is provided with a carbon dioxide filter, so that the carbon dioxide in the smoke is filtered through the carbon dioxide filter, and the carbon dioxide filter can be purchased on the market.

[0049] Embodiment three

[0050] As shown in Figures 1-10 The flow guide heat exchange mechanism 4 includes a flow guide plate 5, which is detachably connected in the smoke collecting port, and a plurality of smoke guide holes 51 are uniformly arranged on the flow guide plate 5, and the flow guide plate 5 is connected with a heat exchange pipe 6, which is located in a heat exchange chamber formed between the smoke collecting hood 1 and the flow guide plate 5; the medium input pipe of the heat exchange pipe 6 is connected with the medium inlet fixed on the side wall of the smoke collecting hood 1, and the medium output pipe of the heat exchange pipe 6 is connected with the medium outlet fixed on the side wall of the smoke collecting hood 1.

[0051] The working principle and beneficial effects of the above technical solution are:

[0052] In the smoke guide device, the flow guide plate 5 can be connected in the smoke collecting port through cooperation of bolts and nuts, so that it can be disassembled, a plurality of smoke guide holes 51 are uniformly arranged on the flow guide plate 5, the smoke can be guided and divided through the plurality of smoke guide holes 51, so that the smoke entering the heat exchange chamber is uniformly dispersed, the effect of the smoke entering the heat exchange chamber and the heat exchange pipe 6 for heat exchange is improved, the medium input pipe of the heat exchange pipe 6 is connected with the medium inlet fixed on the side wall of the smoke collecting hood 1, the gas or liquid required to be preheated can be injected into the medium input pipe of the heat exchange pipe 6 through the medium inlet, so as to play a heat exchange role, and the heat energy in the smoke is effectively recovered; the preheated gas or liquid can be conveyed to the medium outlet through the medium output pipe of the heat exchange pipe 6 after heat exchange, and is output through the medium outlet; the heat exchange pipe is provided, the energy utilization rate is improved, and energy saving and environmental protection are realized.

[0053] Embodiment four

[0054] As shown in Figures 1-10 The smoke guide hole 51 is a conical hole without a tapered tip, and the hole diameter of the smoke guide hole 51 close to one end of the heat exchange pipe 6 is smaller than the hole diameter of the smoke guide hole 51 away from the other end of the heat exchange pipe 6.

[0055] The working principle and beneficial effects of the above technical solution are:

[0056] In a smoke guiding device of the present invention, the smoke guiding hole 51 is a conical hole without a cone tip, and the aperture of the smoke guiding hole 51 at one end close to the heat exchange tube 6 is smaller than the aperture of the smoke guiding hole 51 at one end away from the heat exchange tube 6, so that the smoke entering the smoke guiding hole 51 is gathered and sprayed onto the heat exchange tube 6 in the heat exchange chamber through the end with a smaller aperture, thereby improving the smoke gathering and spraying effect to a certain extent, and improving the heat exchange and heating effect of the heat exchange tube 6.

[0057] Example 5

[0058] like Figures 1-10 As shown, the heat exchange pipe fittings 6 include heat exchange straight pipes 61, and multiple heat exchange straight pipes 61 are arranged side by side. One end of the multiple heat exchange straight pipes 61 is fixed in multiple diversion holes of the diversion box 62, and the medium input pipe is fixed in the input hole of the diversion box 62; the other end of the multiple heat exchange straight pipes 61 is fixed in multiple converging holes of the junction box 63, and the medium output pipe is fixed in the output hole of the junction box 63; the junction box 63 and the diversion box 62 are relatively fixed at the two ends of the guide plate 5; the multiple flue gas guide holes 51 of the guide plate 5 are arranged toward the bottom of the multiple heat exchange straight pipes 61.

[0059] The working principle and beneficial effects of the above technical solution are:

[0060] In a smoke guiding device of the present invention, a plurality of heat exchange straight tubes 61 arranged side by side are provided in a heat exchange pipe fitting 6. The plurality of heat exchange straight tubes 61 are in contact with the flue gas, and can perform heat exchange and heating treatment on the gas or liquid flowing through the heat exchange straight tubes 61. The gas or liquid that needs to be preheated enters the diversion box 62 through the medium input pipe, and is diverted by the diversion box 62. After entering the plurality of heat exchange straight tubes 61 for heat exchange, it enters the junction box 63 and is output through the medium output pipe. The heat exchange straight tubes 61 can be made of red copper heat exchange tubes, which have better heat exchange performance.

[0061] Example 6

[0062] like Figures 1-10 As shown, the diversion heat exchange mechanism 4 also includes a cleaning component 7, which includes a control screw 71. The middle thread of the control screw 71 is engaged with the internal threaded hole on the side of the smoke hood 1, and the inner end of the control screw 71 is rotatably connected to the movable frame 72. The movable frame 72 is rotatably connected to multiple cleaning tubes 73 arranged side by side. The multiple cleaning tubes 73 are sleeved on the multiple heat exchange straight tubes 61 to clean the dirt on the outer tube surfaces of the multiple heat exchange straight tubes 61 under the transmission control of the control screw 71 and the movable frame 72; both ends of the cleaning tube 73 are conical tube structures, and the outer end of the conical tube structure is evenly surrounded by a plurality of open grooves.

[0063] The working principle and beneficial effects of the above technical solution are:

[0064] The cleaning assembly 7 can clean the heat exchange straight pipes 61 which heat the flue gas, so that the heat exchange straight pipes 61 are prevented from gathering too much dirt or too much rust, the subsequent heat exchange effect is guaranteed, and the service life of the heat exchange straight pipes 61 is prolonged; when the plurality of heat exchange straight pipes 61 are cleaned, the control screw 71 is controlled to rotate, the contact position of the control screw 71 and the inner threaded hole in the side portion of the smoke hood 1 is changed, so that the distance between the movable frame 72 and the side portion of the smoke hood 1 is changed by the control screw 71, and the plurality of cleaning pipes 73 on the movable frame 72 slide on the outer pipe surface of the plurality of heat exchange straight pipes 61, the heat exchange straight pipes 61 and the cleaning pipes 73 are in gap sliding fit, the dirt or rust on the heat exchange straight pipes 61 can be cleaned in the sliding process of the cleaning pipes 73, the heat exchange effect is prevented from being affected by the dirt or rust, and the service life of the heat exchange straight pipes 61 is prevented from being affected by long-term rust; the two ends of the cleaning pipe 73 are conical pipe structures, that is, the two ends of the cleaning pipe 73 are provided with inclined surfaces, so that the cleaning effect of the dirt or rust is improved; a plurality of open grooves are uniformly opened around the outer end of the conical pipe structure, so that the resistance of the dirt or rust is reduced to a certain extent, and the cleaning effect is improved; one end of the control screw 71 can be provided with a power motor, so that the control screw 71 is driven to rotate by the power motor, and the cleaning work is realized without disassembling the application; a screwing wheel is arranged at one end of the control screw 71, when the application is disassembled, the control screw 71 is controlled to rotate by rotating the screwing wheel, so that the manual cleaning work is realized, and the stability is good.

[0065] Example seven

[0066] As Figures 1-10 shown, the control screw 71 comprises a screw body 711, the middle portion of the screw body 711 is threadedly fitted in the inner threaded hole in the side portion of the smoke hood 1; the inner end of the screw body 711 is provided with a six-rib slide, a six-rib slide rod 712 is slidingly fitted in the six-rib slide, and the six-rib slide rod 712 and the inner side surface of the six-rib slide are fixed by a buffer compression spring 713; one end of the six-rib slide rod 712 is provided with a limit slide block 714, the limit slide block 714 slides in the limit slide in the inner end of the screw body 711, the other end of the six-rib slide rod 712 is fixed with a short shaft 715, and the short shaft 715 rotates on the movable frame 72; the short shaft 715 is fixed with a driving gear 74, and the driving gear 74 is engaged with a driven gear 75 fixed on one cleaning pipe 73; one synchronous belt wheel 76 is fixed on each cleaning pipe 73, and the plurality of synchronous belt wheels 76 are transmissionally connected by a synchronous belt 77.

[0067] The working principle and beneficial effects of the above technical scheme are as follows:

[0068] The control screw 71 is provided with a certain degree of buffering when facing strong dirt or rust, the contact position of the control screw body 711 can be changed when the control screw body 711 rotates, the screw body 711 drives the movable frame 72 to move through the cooperation of the buffer compression spring 713, the limiting sliding block 714 and the six-rib sliding rod 712, the buffer compression spring 713 is arranged to make the cleaning pipe 73 have a certain degree of buffering when facing strong dirt or rust, and the damage caused by hard impact is reduced, when the control screw body 711 rotates, the six-rib sliding rod 712 can also rotate, the six-rib sliding rod 712 can drive the short shaft 715 to rotate when the six-rib sliding rod 712 rotates, the driving gear 74 is driven to rotate through the rotation of the short shaft 715, the driven gear 75 fixed on one cleaning pipe 73 is driven to rotate through the rotation of the driving gear 74, and one cleaning pipe 73 is driven to rotate through the driven gear 75, the synchronous pulley 76 on the cleaning pipe 73 is driven to rotate when the cleaning pipe 73 rotates, the synchronous pulleys 76 are driven to rotate synchronously through the synchronous belt, and the multiple cleaning pipes 73 are driven to rotate through the multiple synchronous pulleys 76, the strong dirt or rust can be efficiently cut and cleaned through the tapered pipe structure and the open groove at the end of the multiple cleaning pipes 73, the cleaning effect of the strong dirt or rust is improved, and the damage caused by hard cleaning can be reduced through the compression time of the buffer compression spring 713, the rotation cleaning is performed when the buffer compression spring 713 is compressed, the cleaning effect is improved, and the damage to the present application is reduced.

[0069] Example eight

[0070] As Figures 1-10 shown, the cleaning assembly 7 is provided with two, the outer end of the screw body 711 of the two cleaning assemblies 7 is connected with the two smoke inlet control assemblies 8 one by one, the smoke inlet control assembly 8 comprises a vertical connecting plate 81, the vertical connecting plate 81 is provided with a circular through hole for the screw body 711 to pass through, the vertical connecting plate 81 is threadedly connected with a limiting bolt 82, and the inner end of the limiting bolt 82 slides in the annular groove at the outer end of the screw body 711, the linkage plate 83 is fixed at the outer end of the blocking sliding plate 84, and the blocking sliding plate 84 is slidingly connected in the transverse sliding groove at the side of the guide plate 5 to block and control the multiple smoke guide holes 51 on the guide plate 5.

[0071] The working principle and beneficial effects of the above technical scheme are:

[0072] The smoke guide device further comprises two smoke collecting port control assemblies 8, which can control the plugging of the plurality of smoke guide holes 51, so as to select the range of the opened smoke guide holes 51, facilitate the adjustment of the range of the opened smoke guide holes 51 according to the smoke amount, control the plurality of smoke guide holes 51 unplugged by the two smoke collecting port control assemblies 8 when the smoke amount is large, so that the smoke guide is more smooth, reduce the number of the opened smoke guide holes 51 when the smoke amount is small, so that the smoke is gathered at the plurality of smoke guide holes 51 in the middle and is guided into the smoke collecting hood 1 to heat exchange the middle part of the heat exchange straight pipe 61, gather the smoke, improve the heat exchange effect, and reduce the number of the smoke guide holes 51 used for a long time and blocked; and the range of the plurality of smoke guide holes 51 plugged by the two smoke collecting port control assemblies 8 can be controlled by rotating the screw rod bodies 711 of the two cleaning assemblies 7, so that the screw rod bodies 711 are multipurpose, which can select the cleaning work of the heat exchange straight pipe 61 controlled by the screw rod bodies 711, or the plugging work of the smoke guide holes 51 controlled by the screw rod bodies 711, and in addition, when the smoke guide holes 51 are plugged by the smoke collecting port control assemblies 8 controlled by the screw rod bodies 711, the cleaning pipes 73 can be synchronously controlled to slide on the heat exchange straight pipe 61 to realize the synchronous cleaning of the heat exchange straight pipe 61, so that the present application realizes multiple functions in one step and has high practicability.

[0073] Example Nine

[0074] As shown in Figures 1-10 the smoke collecting port control assembly 8 further comprises a smoke guide plate 85 and a first side plate 83, one end of the smoke guide plate 85 is rotatably arranged in the inner end of the plugging sliding plate 84, the other end of the smoke guide plate 85 is slidably arranged in the vertical sliding way of the first side plate 83, and the first side plate 83 is fixed to one side of the bottom surface of the smoke guide plate 85; the bottom surface of the smoke guide plate 85 further fixedly has two second side plates, the two second side plates and the two first side plates 83 are arranged in an alternating manner, and the bottom of the two second side plates and the two first side plates 83 forms a rectangular smoke inlet.

[0075] The working principle and beneficial effects of the above technical solution are as follows:

[0076] In the smoke guide device, the smoke collection port control assembly 8 further comprises a smoke guide plate 85 and a first side plate 83. When the blocking slide plate 84 moves inward to block, the inner end of the blocking slide plate 84 drives the inner end of the smoke guide plate 85 to move inward, and the other end of the smoke guide plate 85 slides in the vertical slide of the first side plate 83, thereby forming inclined surfaces with different inclination angles, facilitating the smoke to be guided to the smoke guide hole 51 through the inclined surfaces. A plurality of smoke guide grooves are arranged side by side on the inner side of the smoke guide plate 85, so that the smoke moves to the smoke guide hole 51 along the smoke guide grooves, improving the guiding effect of the smoke. The bottoms of the two second side plates and the two first side plates 83 form a rectangular smoke inlet, facilitating the smoke to be drawn in.

[0077] The actual heat exchange performance of the heat exchange pipe 6 affects the heat energy recovery effect of the smoke in the application. Therefore, it is very important to calculate the actual heat exchange performance of the heat exchange pipe 6 and monitor the actual heat exchange performance of the heat exchange pipe 6 in real time. The actual heat exchange performance Q of the heat exchange pipe 6 in the application is calculated as follows: x

[0078]

[0079] In the formula,

[0080] Q x is the actual heat exchange performance of the heat exchange pipe 6 in the application;

[0081] Q1 is the preset heat exchange performance of the heat exchange pipe 6 in the application;

[0082] is the actual smoothness of the inner wall of the heat exchange straight pipe 61 in the application, is a positive number, the maximum value of which is 1;

[0083] is the preset smoothness of the inner wall of the heat exchange straight pipe 61 in the application, is 1;

[0084] is the actual blocking degree of the smoke guide hole 51 in the application;

[0085] is the initial blocking degree of the smoke guide hole 51 in the application;

[0086] W a is the actual amount of smoke flowing through the heat exchange chamber in a certain time;

[0087] W1 is the preset amount of smoke flowing through the heat exchange chamber in a certain time;

[0088] D​a ×D b is the actual opening size of the flow guide plate 5;

[0089] D1×D2 is the overall size of the flow guide plate 5;

[0090] is the average heat exchange coefficient of the plurality of heat exchange straight pipes 61 inside the application.

[0091] The beneficial effects of the above formula are:

[0092] The actual heat exchange performance Q of the heat exchange pipe 6 in the smoke guide device of the application can be calculated by the above formula x , and then it is judged whether the actual heat exchange performance Q of the heat exchange pipe 6 x is within the preset heat exchange performance range interval, if Q x is within the preset heat exchange performance range interval, the application can be normally used, and the operation is normal, and the heat exchange efficiency is high; if Q x is not within the preset heat exchange performance range interval, the heat exchange efficiency of the application cannot reach the factory standard, and continued use will cause a large waste of heat energy, at this time, the controller controls the alarm to alarm, prompting the need for maintenance and repair, when V X <V, the controller controls the alarm to alarm, prompting the need for factory repair; the calculation formula of the application has higher calculation efficiency, more accurate calculation results, and more convenient calculation, and the running state of the application can be monitored in real time, preventing the waste of heat energy in the flue gas due to the failure of the heat exchange performance to reach the preset value, and when the heat exchange performance is lower than the preset heat exchange performance, the controller controls the alarm to alarm, so that the working personnel can be informed in time for repair and maintenance, and the waste of heat energy is reduced.

[0093] Example Ten

[0094] As Figures 1-10 shown, the gas water heater applying the device comprises the smoke guide device of any of the above embodiments.

[0095] The working principle and beneficial effects of the above technical solution are:

[0096] The gas water heater applying the device of the application comprises the smoke guide device of any of the above embodiments, which can effectively collect and guide out the flue gas generated by the combustion device of the gas water heater through the smoke guide device, and recycle the heat energy in the flue gas while collecting and guiding the flue gas, thereby improving the energy utilization rate and reducing the thermal pollution caused by direct flue gas emission.

[0097] The specific model and / or structure of all the components, circuit modules and / or devices involved in the present application can be selected and the specific circuit structure can be designed according to the actual application by those skilled in the art in combination with the technical common sense, theoretical principles and circuit design related books, user manuals and other technical guidance materials in the prior art, so as to realize the functions and effects of the corresponding components, circuit modules and / or devices disclosed in the present application. The components involved can be controlled by a computer program, and the computer program can be stored in a non-volatile computer readable storage medium. The computer program can include the flow of the above-mentioned embodiments when executed, and the specific embodiments of the present application do not repeat and exhaust the specific component selection model and specific circuit structure.

[0098] All the methods involved in the present application can be understood by those skilled in the art to realize all or part of the above-mentioned embodiment methods. Those skilled in the art can combine the technical common sense, theoretical principles and related design books, user manuals and other technical guidance materials in the prior art to perform specific operations according to the actual application. The specific embodiments of the present application do not repeat and exhaust the specific method flow.

[0099] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. It should be noted that those skilled in the art can make some improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

[0100] It should be further noted that in the present specification, the relationship terms such as first and second 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 the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

Claims

1. A smoke guide device, characterized in that: The smoke collecting hood (1) comprises a smoke collecting port, a smoke exhaust fan (2), a smoke treatment mechanism (3) and a flow guiding and heat exchanging mechanism (4); a smoke collecting port is provided below the smoke collecting hood (1), and the flow guiding and heat exchanging mechanism (4) is connected to the smoke collecting port; a smoke guide port is provided above the smoke collecting hood (1), and the smoke guide port is connected to the smoke inlet of the smoke exhaust fan (2); and the smoke outlet of the smoke exhaust fan (2) is connected to the smoke treatment mechanism (3); The guide and heat exchange mechanism includes a guide plate, which is detachably connected to the smoke collecting port, and has multiple smoke guide holes evenly arranged on the guide plate, and is connected to a heat exchange pipe. The heat exchange pipe fittings include heat exchange straight pipes. One end of the multiple heat exchange straight pipes arranged side by side is fixed in the multiple diversion holes of the diversion box, and the medium input pipe is fixed in the input hole of the diversion box; the other end of the multiple heat exchange straight pipes is fixed in the multiple confluence holes of the junction box, and the medium output pipe is fixed in the output hole of the junction box; the junction box and the diversion box are relatively fixed at both ends of the guide plate; multiple flue gas guide holes are arranged towards the bottom of the multiple heat exchange straight pipes; The diversion heat exchange mechanism also includes a cleaning assembly, which includes a control screw. The middle thread of the control screw is engaged with the internal threaded hole on the side of the smoke hood. The inner end of the control screw rotates on a movable frame. The movable frame is rotatably connected to multiple cleaning pipes arranged side by side. The multiple cleaning pipes are sleeved on multiple heat exchange straight pipes to clean dirt on the outer tube surfaces of the multiple heat exchange straight pipes under the drive of the control screw and the movable frame. Both ends of the cleaning pipe are tapered tube structures, and multiple open grooves are evenly arranged around the outer end of the tapered tube structure. The control screw includes a screw body, the middle thread of the screw body is engaged with the internal threaded hole on the side of the smoke hood; the inner end of the screw body is provided with a hexagonal slide, the hexagonal slide rod is slidably engaged with the hexagonal slide, and the hexagonal slide rod is fixed to the inner side of the hexagonal slide by a buffer compression spring; one end of the hexagonal slide rod is provided with a limit slider, the limit slider slides in the limit slider at the inner end of the screw body, and the other end of the hexagonal slide rod is fixed with a short shaft, and the short shaft rotates on the movable frame; a driving gear is fixed on the short shaft, and the driving gear is meshed with a driven gear fixed on a cleaning tube; a synchronous pulley is fixed on each cleaning tube, and multiple synchronous pulleys are connected by synchronous belt transmission; There are two cleaning components, and the outer ends of the screw bodies of the two cleaning components are connected to the two smoke collection port control components; the smoke collection port control component includes a vertical connecting plate, which is provided with a circular through hole for the screw body to pass through, and the thread on the vertical connecting plate is matched with a limit bolt, and the inner end of the limit bolt slides in the annular groove at the outer end of the screw body; the vertical connecting plate is fixed to the outer end of the blocking slide, and the blocking slide slides in the horizontal slide on the side of the guide plate to control the blocking of multiple smoke guide holes on the guide plate.

2. A smoke guide device according to claim 1, characterized in that: The flue gas treatment mechanism (3) comprises a flue gas outlet pipe and a carbon dioxide filter installed in the flue gas outlet pipe, so as to filter out carbon dioxide in the flue gas through the carbon dioxide filter.

3. The smoke guide device according to claim 1, characterized in that: The heat exchange pipe (6) is located in a heat exchange chamber formed between the smoke hood (1) and the guide plate (5); the medium input pipe of the heat exchange pipe (6) is connected to the medium inlet fixed to the side wall of the smoke hood (1), and the medium output pipe of the heat exchange pipe (6) is connected to the medium outlet fixed to the side wall of the smoke hood (1).

4. A smoke guide device according to claim 3, characterized in that: The smoke guide hole (51) is a conical hole without a cone tip, and the diameter of the smoke guide hole (51) at one end close to the heat exchange pipe (6) is smaller than the diameter of the smoke guide hole (51) at one end away from the heat exchange pipe (6).

5. The smoke guide device according to claim 1, characterized in that: The smoke collecting port control assembly (8) further comprises a smoke guide plate (85) and a first side plate (83), one end of the smoke guide plate (85) rotates on the inner end of the blocking slide plate (84), and the other end of the smoke guide plate (85) slides in the vertical slideway of the first side plate (83), and the first side plate (83) is fixed to one side of the bottom surface of the smoke guide plate (85); two second side plates are also fixed to the bottom surface of the smoke guide plate (85), and the two second side plates are staggered with the two first side plates (83) of the two smoke collecting port control assemblies (8) to form a rectangular smoke inlet.

6. The gas water heater using the device is characterized by: The gas water heater comprises the smoke guide device according to any one of claims 1 to 5.

Citation Information

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