Anti-backfire pulse combustion device

Abstract

The utility model relates to the technical field of pulse combustion, in particular to an anti-backfire pulse combustion device. According to the technical scheme, the device comprises a combustion box body, a cooling pipe and an outer plate, a fuel tank is fixed to the bottom end in the combustion box body, the upper surface of the fuel tank communicates with a discharging pipe, the cooling pipe is fixed to the inner wall of the combustion box body, the outer end face of one side of the cooling pipe communicates with a water inlet pipe, and the outer surface of the water inlet pipe is in threaded connection with a water inlet valve; the outer end face of one side of the cooling pipe communicates with a water outlet pipe, the outer surface of the water outlet pipe is in threaded connection with a water outlet valve, an air inlet pipe is fixedly embedded into the cooling pipe, the joint of the air inlet pipe and the cooling pipe is sleeved with a sealing plate, and the outer plate is fixedly embedded into the inner wall of the combustion box body. An inner plate is movably inserted into the outer end face of one side of the outer plate, a fixing plate is fixedly embedded into the inner wall of the combustion box body, and a connecting plate is movably inserted into the outer end face of one side of the fixing plate. According to the utility model, the anti-backfire effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pulse combustion, specifically to a backfire prevention type pulse combustion device. BACKGROUND

[0002] The backfire prevention type pulse combustion device is a pulse combustion equipment combined with backfire prevention function, mainly used for preventing safety accidents caused by reverse propagation (backfire) of flame during combustion, and realizing efficient combustion.

[0003] Nowadays, the backfire prevention type pulse combustion device adopts a check valve to prevent backfire, but when the check valve fails, backfire is likely to cause an accident. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a backfire prevention type pulse combustion device to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a backfire prevention type pulse combustion device, comprising a combustion box body, a cooling pipe and an outer plate, the inner wall of the combustion box body is fixed with a cooling pipe, and the inside of the cooling pipe is embedded and fixed with an air inlet pipe, a sealing plate is sleeved at the connection of the air inlet pipe and the cooling pipe, the outer plate is embedded and fixed on the inner wall of the combustion box body, and the outer plate is movably inserted with an inner plate on one side of the outer end surface, the inner wall of the combustion box body is embedded and fixed with a fixed plate, and the fixed plate is movably inserted with a connecting plate on one side of the outer end surface.

[0006] When using the backfire prevention type pulse combustion device in the technical scheme, the discharge pipe is provided with a check valve to prevent the flame from returning to the fuel tank through the discharge pipe to cause an explosion, but if the check valve is damaged, the flame will first contact the cooling pipe when trying to enter the fuel tank through the discharge pipe, and the low temperature of the cooling pipe will prevent the flame from burning, thus preventing backfire. Through the water inlet valve and the water outlet valve, the operator can accurately adjust the inflow and outflow speed of the cooling water, so as to flexibly adjust the cooling intensity according to the temperature change in the combustion process. The fuel tank is fixed at the bottom end of the combustion box inside, and the fuel is directly supplied to the combustion area through the discharge pipe to ensure the stability and continuity of fuel supply. This design reduces the risk of fuel leakage during transportation and facilitates accurate control of fuel flow to optimize combustion efficiency.

[0007] Preferably, the upper surface of the combustion box body is hingedly connected with a sealing cover, and the upper surface of the sealing cover is welded with a handle. The existence of the sealing cover can effectively prevent high-temperature gas, smoke, sparks and other substances generated during combustion from leaking out of the combustion box, thereby avoiding harm to the surrounding environment and personnel.

[0008] Preferably, the lower surface of the combustion box body is fixedly connected with a workbench, and the lower surface of the workbench is fixedly connected with supporting legs.

[0009] Preferably, the inner bottom end of the combustion box body is fixedly connected with a fuel tank, and the upper surface of the fuel tank is communicated with a discharge pipe.

[0010] Preferably, the outer end surface of one side of the fuel tank is communicated with a feeding pipe, and the outer surface of the feeding pipe is threadedly connected with a feeding valve.

[0011] Preferably, the outer end surface of one side of the cooling pipe is communicated with a water inlet pipe, and the outer surface of the water inlet pipe is threadedly connected with a water inlet valve.

[0012] Preferably, the outer end surface of one side of the cooling pipe is communicated with a water outlet pipe, and the outer surface of the water outlet pipe is threadedly connected with a water outlet valve.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a discharge pipe, a cooling pipe and a fuel tank are arranged, the effect of preventing backfire is achieved, the discharge pipe is provided with a check valve, which can prevent the flame from returning to the fuel tank through the discharge pipe and causing explosion, but if the check valve is damaged, when the flame tries to enter the fuel tank through the discharge pipe, it will first contact the cooling pipe, which has a low temperature, so that the flame cannot burn, thereby preventing backfire, through the water inlet valve and the water outlet valve, the operator can accurately adjust the inflow and outflow speed of the cooling water, so that the cooling intensity can be flexibly adjusted according to the temperature change in the combustion process, the fuel tank is fixedly connected to the inner bottom end of the combustion box, and the fuel is directly supplied to the combustion area through the discharge pipe, so that the stability and continuity of fuel supply are ensured, this design reduces the risk of fuel leakage during transportation, and facilitates accurate control of fuel flow and optimization of combustion efficiency.

[0015] 2, the utility model discloses a outer plate, fixed plate and inner plate are set up, reached the effect that can isolate flame, outer plate and fixed plate drive inner plate and connecting plate to move under the action of power device, and inner plate and connecting plate are connected together, can isolate flame, prevent staff from opening sealing cover after flame not burning completely and lead to injury, and inner plate and connecting plate can effectively prevent flame, high-temperature gas or smoke from leaking out of combustion box in the burning process, avoid causing harm to surrounding environment and personnel, sealing cover is connected on the combustion box body through the hinge, and operating personnel can easily open and close sealing cover through handle, and the fixed connection of combustion box body, workbench and support leg forms a whole structure, strengthens the rigidity and stability of whole device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is main sectional view schematic diagram of the utility model;

[0017] Figure 2 It is main sectional view schematic diagram of the utility model's sealing cover opening;

[0018] Figure 3 It is rear view schematic diagram of the utility model;

[0019] Figure 4 It is local enlarged structure schematic diagram of the utility model's cooling pipe.

[0020] In the drawing: 1, sealing cover; 2, handle; 3, combustion box body; 4, cooling pipe; 5, fuel tank; 6, support leg; 7, workbench; 8, outer plate; 9, inner plate; 10, connecting plate; 11, fixed plate; 12, feed valve; 13, feed pipe; 14, discharge pipe; 15, sealing plate; 16, water inlet valve; 17, water inlet pipe; 18, water outlet valve; 19, water outlet pipe; 20, air inlet pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1 to 4The utility model provides an embodiment: a kind of anti-recalescence pulse combustion device, including combustion box body 3, cooling pipe 4 and outer plate 8, the inside bottom end of combustion box body 3 is fixed with fuel tank 5, and the upper surface of fuel tank 5 is communicated with discharge pipe 14, the side outer end surface of fuel tank 5 is communicated with feed pipe 13, and the outer surface of feed pipe 13 is threadedly connected with feed valve 12, the inner wall of combustion box body 3 is fixed with cooling pipe 4, the side outer end surface of cooling pipe 4 is communicated with water inlet pipe 17, and the outer surface of water inlet pipe 17 is threadedly connected with water inlet valve 16, the side outer end surface of cooling pipe 4 is communicated with water outlet pipe 19, and the outer surface of water outlet pipe 19 is threadedly connected with water outlet valve 18, air inlet pipe 20 is embedded and fixed in the inside of cooling pipe 4, and sealing plate 15 is sleeved at the junction of air inlet pipe 20 and cooling pipe 4.

[0024] Of course, as the person skilled in the art is well known, the cooling pipe 4, outer plate 8 and fixed plate 11 of the utility model also need to provide power device to make it normal work, and as the person skilled in the art is well known, the power is provided as usual, which all belongs to conventional means or common knowledge, and here will not be repeated, the person skilled in the art can make any selection according to its needs or convenience.

[0025] Based on the anti-recalescence pulse combustion device of embodiment 1, discharge pipe 14 is provided with a one-way valve, which can prevent the flame from returning to fuel tank 5 through discharge pipe 14 to cause explosion, but if the one-way valve is damaged, the flame will first contact cooling pipe 4 when it wants to enter fuel tank 5 through discharge pipe 14, cooling pipe 4 has lower temperature, which causes the flame to be unable to burn, and can prevent recalescence, through water inlet valve 16 and water outlet valve 18, the operator can accurately adjust the inflow and discharge speed of cooling water, so as to flexibly adjust the cooling intensity according to the temperature change in the combustion process, fuel tank 5 is fixed at the inside bottom end of combustion box body 3, and fuel is directly supplied to the combustion area through discharge pipe 14, to ensure the stability and continuity of fuel supply, this design reduces the risk of fuel leakage during transportation, and facilitates accurate control of fuel flow, and optimizes combustion efficiency.

[0026] Embodiment two

[0027] As Figures 1-4 shown, the utility model provides a kind of anti-recalescence pulse combustion device, compared with embodiment one, this embodiment further includes combustion box body 3, cooling pipe 4 and outer plate 8, the upper surface of combustion box body 3 is hinged with sealing cover 1, and the upper surface of sealing cover 1 is welded with handle 2, the lower surface of combustion box body 3 is fixed with workbench 7, and the lower surface of workbench 7 is fixed with support leg 6, outer plate 8 is embedded and fixed in the inner wall of combustion box body 3, and the side outer end surface of outer plate 8 is movably inserted with inner plate 9, the inner wall of combustion box body 3 is embedded and fixed with fixed plate 11, and the side outer end surface of fixed plate 11 is movably inserted with connecting plate 10.

[0028] In the embodiment, the outer plate 8 and the fixed plate 11 drive the inner plate 9 and the connecting plate 10 to move under the action of the power device, connect the inner plate 9 and the connecting plate 10 together, can isolate the flame, prevent the worker from opening the sealing cover 1 after the flame is not burned completely to cause injury, the inner plate 9 and the connecting plate 10 can effectively prevent the flame, high-temperature gas or smoke dust from leaking out of the combustion box body 3 during the burning process, avoid causing harm to the surrounding environment and personnel, the sealing cover 1 is connected to the combustion box body 3 through the hinge, the operator can easily open and close the sealing cover 1 through the handle 2, the fixed connection of the combustion box body 3, the workbench 7 and the supporting leg 6 forms a whole structure, enhances the rigidity and stability of the whole device.

[0029] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A backfire-preventing pulse combustion device, comprising a combustion chamber body (3), a cooling pipe (4), and an outer plate (8), characterized in that: The inner wall of the combustion chamber body (3) is fixed with a cooling pipe (4), and an air inlet pipe (20) is embedded and fixed inside the cooling pipe (4). A sealing plate (15) is sleeved at the connection between the air inlet pipe (20) and the cooling pipe (4). The outer plate (8) is embedded and fixed in the inner wall of the combustion chamber body (3), and an inner plate (9) is movably inserted into one side of the outer end face of the outer plate (8). A fixing plate (11) is embedded and fixed in the inner wall of the combustion chamber body (3), and a connecting plate (10) is movably inserted into one side of the outer end face of the fixing plate (11).

2. The anti-backfire pulse combustion device according to claim 1, characterized in that: The upper surface of the combustion chamber body (3) is hinged to a sealing cover (1), and a handle (2) is welded to the upper surface of the sealing cover (1).

3. The anti-backfire pulse combustion device according to claim 1, characterized in that: The lower surface of the combustion chamber body (3) is fixed with a worktable (7), and the lower surface of the worktable (7) is fixed with a support leg (6).

4. The anti-backfire pulse combustion device according to claim 1, characterized in that: The combustion chamber body (3) has a fuel tank (5) fixed at the bottom inside, and the upper surface of the fuel tank (5) is connected to a discharge pipe (14).

5. The anti-backfire pulse combustion device according to claim 4, characterized in that: The fuel tank (5) has a feed pipe (13) connected to one side of its outer end face, and the feed pipe (13) has a feed valve (12) threadedly connected to its outer surface.

6. The anti-backfire pulse combustion device according to claim 1, characterized in that: The outer end face of the cooling pipe (4) is connected to a water inlet pipe (17), and the outer surface of the water inlet pipe (17) is threaded with a water inlet valve (16).

7. The anti-backfire pulse combustion device according to claim 1, characterized in that: The cooling pipe (4) has a water outlet pipe (19) connected to one side of its outer end face, and a water outlet valve (18) is threadedly connected to the outer surface of the water outlet pipe (19).

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