Vacuum hot water boiler

Abstract

The utility model discloses a vacuum hot water boiler, which relates to the boiler technology, and adopts the technical scheme that the vacuum hot water boiler comprises a boiler body, a combustion chamber and a smoke exhaust pipe are arranged in the boiler body, a smoke collecting cavity is arranged in the boiler body, the joint of the smoke exhaust pipe and the combustion chamber is higher than the joint of the smoke exhaust pipe and the smoke collecting cavity, and a liquid collecting box is arranged on the boiler body. According to the utility model, the smoke exhaust pipe is obliquely arranged, so that condensed water moves towards the smoke collecting cavity under the action of gravity, and the condition that acidic substances remain in the smoke exhaust pipe can be effectively reduced, so that the damage of the acidic substances to the inner wall of the smoke exhaust pipe can be effectively prevented, and meanwhile, the liquid collecting box is used for collecting the condensed water; according to the boiler, the inner wall of the smoke collecting cavity can be prevented from being damaged by acidic substances generated after the condensed water reacts with sulfur dioxide, the liquid collecting box is detachable from the boiler body, after the combustion chamber is stopped, the liquid collecting box can be detached from the boiler body, the collected substances such as the condensed water can be poured out, and people can conveniently treat the substances such as the condensed water.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler technology, more specifically, it relates to a vacuum hot water boiler. BACKGROUND

[0002] The vacuum hot water boiler is widely used in the field of modern industry and central heating as a kind of heat energy equipment, the vacuum hot water boiler includes furnace body and the water inlet pipe and water outlet pipe connected on the furnace body, the furnace body is provided with combustion chamber, smoke exhaust pipe, negative pressure steam chamber and heat exchanger, the negative pressure steam chamber stores hot medium water, the both ends of heat exchanger are connected with water inlet pipe and water outlet pipe, when working, ignite the gas in combustion chamber, the heat generated by this is transferred to the hot medium water in negative pressure steam chamber, makes the hot medium water boil and vaporize, the hot medium water after vaporization is attached to heat exchanger and transfers heat to the heating water in heat exchanger, the heating water after being heated is used by people through water outlet pipe.

[0003] The flue gas produced by combustion in the combustion chamber will be discharged through the smoke exhaust pipe, in order to improve the utilization rate of heat in high-temperature flue gas, the smoke exhaust pipe will also be as much as possible to contact with the hot medium water, the gas such as sulfur dioxide, water vapor, carbon monoxide and carbon dioxide will be produced in the process of gas combustion, when stopping using the combustion chamber, part of the water vapor remaining in the smoke exhaust pipe will be attached to the inner wall of the smoke exhaust pipe to form condensate water, at the same time, part of the remaining sulfur dioxide will be dissolved in the condensate water to produce acidic substances, the acidic substances will corrode the inner wall of the smoke exhaust pipe, causing damage to the smoke exhaust pipe.

[0004] Therefore, a new scheme is needed to solve this problem. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a vacuum hot water boiler.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: the vacuum hot water boiler comprises a furnace body, a combustion chamber and a smoke exhaust pipe are arranged in the furnace body, a smoke collecting cavity is further arranged in the furnace body, the smoke exhaust pipe communicates the combustion chamber with the smoke collecting cavity, the height of the position of the connection between the smoke exhaust pipe and the combustion chamber is higher than that of the connection between the smoke exhaust pipe and the smoke collecting cavity, a liquid collecting box for collecting condensate water is further arranged on the furnace body, and the liquid collecting box is detachably connected with the furnace body.

[0007] The utility model is further provided with the following arrangement: an opening is arranged below the furnace body, and the liquid collecting box covers the opening.

[0008] The utility model is further provided with the following arrangement: an L-shaped block for mounting the liquid collecting box is arranged on the outer wall of the furnace body, the liquid collecting box comprises a hanging ear, and a limiting piece for limiting the hanging ear is arranged on the L-shaped block.

[0009] The utility model further sets up: the stop piece includes with L shaped piece screw connection's resistance lever and the rotating disc of fixed on resistance lever, resistance lever back to the end of rotating disc is used for hanging ear resistance tightly on the outer wall of furnace body.

[0010] The utility model further sets up: the liquid collecting box still includes box body, the ear is fixed on the lateral wall of box body, the top surface of box body towards furnace body is equipped with rubber ring.

[0011] The utility model further sets up: still be equipped with the baffle of setting up close to the opening outer edge on the furnace body, when the box body and baffle resist touch, the opening is located the just above of box body.

[0012] The utility model further sets up: the box body includes protection shell and the glass box of setting in protection shell, the rubber ring sets up on protection shell.

[0013] Summarized above, the utility model has following beneficial effect: the water vapor produced after gas burns in combustion chamber will adhere to the inner wall of flue gas pipe and form the condensate water condition when passing through flue gas pipe, make the condensate water under the action of gravity towards the smoke collecting cavity and move, can effectively reduce the situation that the acidic material formed by condensate water and sulfur dioxide reaction remains in flue gas pipe, thereby can effectively prevent the damage of acidic material to the inner wall of flue gas pipe, and the liquid collecting box is used to collect condensate water, can avoid the damage of acidic material produced after condensate water and sulfur dioxide react to the inner wall of smoke collecting cavity, and the detachable liquid collecting box of furnace body, after stopping using combustion chamber, can be detached from the furnace body after the liquid collecting box, pour the collected condensate water and other material, convenient for people to handle condensate water and other material. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the partial sectional view of the utility model, and is used to show the partial internal structure of furnace body;

[0016] Figure 3 It is the structural schematic diagram of the liquid collecting box in the utility model.

[0017] In the drawing: 1, furnace body;2, combustion chamber;3, flue gas pipe;4, smoke collecting cavity;5, opening;6, L shaped piece;7, ear;8, resistance lever;9, rotating disc;10, rubber ring;11, baffle;12, protection shell;13, glass box. DETAILED DESCRIPTION

[0018] The utility model is described in detail below in combination with the drawings and examples.

[0019] Vacuum hot water boiler, such as Figure 1And Figure 2 As shown, including furnace body 1, furnace body 1 is provided with combustion chamber 2 and exhaust pipe 3, furnace body 1 is also provided with smoke collecting cavity 4, exhaust pipe 3 is communicated with combustion chamber 2 and smoke collecting cavity 4, the number of exhaust pipe 3 is several, several exhaust pipe 3 are inclined to set, the height of the position of the connection between exhaust pipe 3 and combustion chamber 2 is higher than the position of the connection between exhaust pipe 3 and smoke collecting cavity 4, the furnace body 1 is also provided with a liquid collecting box for collecting condensed water, the liquid collecting box is detachably connected with the furnace body 1, after the gas is burned in the combustion chamber 2, the water vapor produced will adhere to the inner wall of the exhaust pipe 3 and form condensed water when passing through the exhaust pipe 3, the exhaust pipe 3 is inclined to set, so that the condensed water moves towards the smoke collecting cavity 4 under the action of gravity, which can effectively reduce the case that the acidic substances formed by the reaction of condensed water and sulfur dioxide remain in the exhaust pipe 3, thereby effectively preventing the damage of acidic substances to the inner wall of the exhaust pipe 3, at the same time, the use of the liquid collecting box to collect condensed water can avoid the damage of acidic substances produced by the reaction of condensed water and sulfur dioxide to the inner wall of the smoke collecting cavity 4, the liquid collecting box detachable with the furnace body 1, after stopping using the combustion chamber 2, the liquid collecting box can be detached from the furnace body 1, and the collected condensed water and other substances can be poured, which is convenient for people to handle the condensed water and other substances.

[0020] As Figure 2 And Figure 3As shown, the lower part of the furnace body 1 is provided with an opening 5, the opening 5 is covered by the liquid collecting box, the outer wall of the furnace body 1 is provided with an L-shaped block 6 for mounting the liquid collecting box, the liquid collecting box comprises a hanging ear 7, the L-shaped block 6 is provided with a limiting piece for limiting the hanging ear 7, the outer wall of the furnace body 1 is further provided with a protrusion, the protrusion is used for covering the opening 5 by using the liquid collecting box after pouring the condensed water and other substances collected in the liquid collecting box, then limiting the hanging ear 7 by using the limiting piece, so that the liquid collecting box is not easy to separate from the L-shaped block 6, so that the liquid collecting box can be better maintained in the installed position during the use of the vacuum hot water boiler, so that the condensed water and other substances can enter the liquid collecting box in time, the limiting piece comprises a resisting rod 8 which is screwed with the L-shaped block 6 and a rotating disc 9 which is fixed on the resisting rod 8, the outer peripheral wall of the rotating disc 9 is provided with anti-skid lines, the end of the resisting rod 8 away from the rotating disc 9 is used for abutting the hanging ear 7 against the outer wall of the furnace body 1, during the installation of the liquid collecting box, the rotating disc 9 can be rotated to drive the resisting rod 8 to move towards the outer wall of the furnace body 1, so that the hanging ear 7 is abutted against the outer wall of the furnace body 1, during the use of the vacuum hot water boiler, the gas generated is not easy to overflow from the opening 5, the liquid collecting box further comprises a box body, the hanging ear 7 is fixed on the side wall of the box body, the box body is provided with a rubber ring 10 towards the top surface of the furnace body 1, during the process that the hanging ear 7 is abutted against the outer wall of the furnace body 1, the rubber ring 10 is deformed under the action of pressure, the deformed rubber ring 10 can better fill the gap between the box body and the outer wall of the furnace body 1, further improving the air tightness between the liquid collecting box and the furnace body 1, preventing the gas generated by combustion from overflowing between the liquid collecting box and the furnace body 1, the furnace body 1 is further provided with a baffle 11 which is arranged close to the outer edge of the opening 5, when the box body abuts against the baffle 11, the opening 5 is just located above the box body, the arrangement makes people not need to spend much time in the process of aligning the box body with the opening 5 during the installation of the liquid collecting box, facilitating the alignment of the opening 5 and the box body, the box body comprises a protective shell 12 and a glass box 13 arranged in the protective shell 12, the rubber ring 10 is arranged on the protective shell 12, the protective shell 12 is made of PVC material, the PVC has sufficient strength and can better protect the glass box 13, the good corrosion resistance of the glass box 13 makes the collected acidic substances not easy to damage the liquid collecting box, so that the liquid collecting box has a longer service life.

[0021] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principles of the present application are also considered as the protection scope of the present application.

Claims

1. Vacuum hot water boiler comprising a furnace (1), characterized in that: The furnace body (1) is provided with a combustion chamber (2) and an exhaust pipe (3), and is further provided with a smoke collecting cavity (4), the exhaust pipe (3) is communicated with the combustion chamber (2) and the smoke collecting cavity (4), the height of the position where the exhaust pipe (3) is connected with the combustion chamber (2) is higher than the position where the exhaust pipe (3) is connected with the smoke collecting cavity (4), and the furnace body (1) is further provided with a liquid collecting box for collecting condensed water, and the liquid collecting box is detachably connected with the furnace body (1).

2. A vacuum hot water boiler according to claim 1, characterized in that: An opening (5) is formed below the furnace body (1), and the liquid collecting box covers the opening (5).

3. A vacuum hot water boiler according to claim 2, characterized in that: An L-shaped block (6) for mounting the liquid collecting box is arranged on the outer wall of the furnace body (1), the liquid collecting box comprises an ear (7), and the L-shaped block (6) is provided with a limiting piece for limiting the ear (7).

4. A vacuum hot water boiler according to claim 3, characterized in that: The limiting piece comprises a stop rod (8) which is threadedly connected with the L-shaped block (6) and a rotating disc (9) which is fixed on the stop rod (8), and the end of the stop rod (8) away from the rotating disc (9) is used for abutting the ear (7) against the outer wall of the furnace body (1).

5. A vacuum hot water boiler according to claim 4, characterized in that: The liquid collecting box further comprises a box body, the ear (7) is fixed on the side wall of the box body, and a rubber ring (10) is arranged on the top surface of the box body facing the furnace body (1).

6. A vacuum hot water boiler according to claim 5, characterized in that: The furnace body (1) is further provided with a baffle (11) arranged close to the outer edge of the opening (5), and when the box body abuts against the baffle (11), the opening (5) is located directly above the box body.

7. A vacuum hot water boiler according to claim 6, characterized in that: The box body comprises a protective shell (12) and a glass box (13) arranged in the protective shell (12), and the rubber ring (10) is arranged on the protective shell (12).

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