CN201104012Y - Vertical civil heating boiler - Google Patents

Abstract

A vertical civil heating boiler, the lower part of a water jacket furnace body provided with a chimney is a combustion chamber, an inverted water jacket heat collecting cover is arranged in a hearth, the lower part of the water jacket heat collecting cover is communicated with a vertical pipe arranged in the water jacket furnace body through a water pipe, the upper end opening of the vertical pipe is positioned in the upper part of the water jacket furnace body, an annular upper heating pipe and an annular lower heating pipe are horizontally arranged in the water jacket heat collecting cover, a cylindrical heating member is sleeved in the upper part and the lower part of the heating member, the upper part and the lower part of the heating member are respectively communicated with the upper heating pipe and the lower heating pipe through an upper branch pipe and a lower branch pipe, the lower heating pipe is communicated with the water jacket heat collecting cover through a water pipe, the upper opening of the hot water pipe is close to the top surface of the water jacket furnace body, a water outlet pipe is arranged on the top surface, the water inlet cavity is communicated with the water jacket furnace body. The utility model discloses it is rational in infrastructure, can effectively improve heat utilization rate, convenient to use.

Description

Vertical civil heating boiler

technical field

The utility model belongs to the structure improvement of civil heating boilers, in particular to vertical civil heating boilers.

Background technique

At present, many vertical heating boilers are generally only equipped with heat-absorbing pipes in the upper part of the water jacket furnace body, and put coal in the furnace below the heat-absorbing pipes to ignite, thereby absorbing the heat generated by coal combustion to heat the water in the water jacket. Even so, the thermal efficiency of traditional vertical heating boilers is still not high, and there is still a lot of waste of heat energy, and the utilization rate of heat energy needs to be improved.

Utility model content

The purpose of the utility model is to provide a vertical civil heating boiler, which has reasonable structure, high utilization rate of heat energy, fast heating water, easy manufacture and low cost.

The purpose of this utility model is achieved in this way: a vertical civil heating boiler, including a water jacket furnace body, a combustion chamber is arranged in the lower part of the water jacket furnace body, a chimney is arranged on the top of the water jacket furnace body, and the water jacket below the chimney The upper part of the furnace body is intersected with heat-absorbing pipes connected to the water jacket furnace body, and an inverted water jacket heat collecting cover is vertically installed in the furnace between the heat absorbing pipe and the combustion chamber. Through the water pipe, it is connected with the standpipe arranged on one side of the water jacket furnace body. The lower end of the standpipe is provided with a drain pipe extending to the outside of the water jacket furnace body. The upper end opening of the standpipe is located in the upper part of the water jacket furnace body. There are ring-shaped upper and lower heating pipes arranged horizontally in the heat shield, and cylindrical heating elements are set at intervals in the upper and lower heating pipes. The upper side of the heating element is connected with the upper heating pipe through the upper branch pipe, and the lower side of the heating element is The lower branch pipe is connected with the lower heating pipe, the lower heating pipe is connected with the inner wall of the water jacket heat collecting cover through the water pipe, and the upper heating pipe is connected with a hot water pipe connected with the top of the water jacket heat collecting cover. The water pipe extends into the water jacket furnace body from the top of the water jacket heat collecting cover. The upper opening of the hot water pipe is close to the top surface of the water jacket furnace body. The water outlet pipe is arranged on the top surface of the water jacket furnace body. An annular closed water inlet chamber with a lower water inlet pipe and a lower water outlet pipe respectively is formed between the walls of the furnace body at the lower part of the furnace body. The furnace is connected.

When the utility model is in use, the lower water inlet pipe and the water outlet pipe are respectively connected with the tap water pipe and the indoor heating pipeline. The through hole on the partition board enters the water jacket furnace body, and the water entering the water jacket furnace body passes through the standpipe and enters the water jacket heat collecting cover, the lower heating tube, the cylindrical heating element and the upper heating tube in turn, and fully absorbs the heat in the furnace. After the flue gas heat energy is collected, it enters the heating pipeline from the outlet pipe through the hot water pipe.

The utility model is equipped with an inverted water jacket heat collecting cover in the furnace, so that most of the heat generated by coal combustion can be absorbed by the upper and lower heating pipes and heating parts, so that the water in the water jacket furnace body can be heated quickly and the water circulation speed Fast, and part of the heat rises from the gap between the water jacket heat collecting cover and the water jacket furnace body to the upper part of the water jacket furnace body to continue heating the heat-absorbing pipe, so as to ensure that the heat energy can be absorbed and utilized to the greatest extent, and its heat energy utilization rate be greatly improved. The boiler has a reasonable structure, less smoke and dust discharge, is easy to manufacture, and has low cost, and is especially suitable for use in vast urban and rural areas in northern my country.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing.

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Fig. 2 is a schematic diagram of the A-A sectional structure in Fig. 1;

FIG. 3 is a schematic diagram of the B-B cross-sectional structure in FIG. 1 .

Detailed ways

A vertical civil heating boiler, as shown in Figure 1, Figure 2 and Figure 3, comprises a water jacket furnace body 4, a combustion chamber 17 is arranged in the lower part of the water jacket furnace body 4, and a fire grate 20 is arranged at the bottom of the combustion chamber 17 . A chimney 1 is arranged on the top of the water jacket furnace body 4, and a smoke baffle 2 is placed horizontally in the chimney 1, and the smoke baffle 2 is semicircular. The upper part of the water jacket furnace body 4 below the chimney 1 is intersected with heat absorbing pipes 5 communicating with the water jacket furnace body. An inverted water jacket heat collecting cover 7 is vertically arranged in the furnace 14 between the heat absorbing pipe 5 and the combustion chamber 17, and a gap is left between the outer peripheral wall of the water jacket heat collecting cover 7 and the inner peripheral wall of the water jacket furnace body 4. gap for the passage of smoke.

One side of the lower part of the water jacket heat collecting cover 7 communicates with the standpipe 25 arranged on one side of the water jacket furnace body through a water pipe 24, and the lower end of the standpipe 25 is provided with a drain pipe 23 extending to the outside of the water jacket furnace body for discharging For the accumulated water in the water jacket heat collecting cover 7, the upper end opening of the standpipe 25 is located in the top of the water jacket body of heater 4.

The upper and lower heating pipes 10, 12 are arranged horizontally in the water jacket heat collecting cover 7, and the upper heating pipe 10 is one, and the lower heating pipes 12 can be multiple, and each lower heating pipe 12 communicates with each other. The upper and lower heating tubes 10, 12 are provided with cylindrical heating elements 8 at intervals, and the upper and lower intervals of the cylindrical heating elements 8 are alternately provided with horizontal partitions 11, and the horizontal partitions 11 are C-shaped. A horizontal partition 11 is provided to extend the water flow path in the heating element 8, prolong the time for water to absorb heat, and improve the utilization rate of heat energy.

The upper side of the heating element 8 communicates with the upper heating pipe 10 through the upper branch pipe 9 , and the lower side of the heating element 8 communicates with the lower heating pipe 12 through the lower branch pipe. The lower heating pipe 12 communicates with the inner wall of one side of the water jacket heat collecting cover 7 through the water pipe 13 . The upper heating pipe 10 is connected with a hot water pipe 6 connected to the top of the water jacket heat collecting cover. The hot water pipe 6 extends into the water jacket furnace body from the top of the water jacket heat collecting cover. The upper opening of the hot water pipe 6 Close to the top surface of the water jacket furnace body 4, a water outlet pipe 3 is arranged on the top surface of the water jacket furnace body, and the water outlet pipe 3 is connected with the indoor heating pipeline.

As shown in Fig. 1, Fig. 2 and Fig. 3, an annular closed water inlet chamber 16 is respectively equipped with a lower water inlet pipe 19 and a lower water outlet pipe 21 between the combustion chamber wall and the lower furnace body wall of the water jacket furnace body, and the lower outlet pipe The water pipe 21 is used to discharge the accumulated water in the water inlet cavity 16 . The lower water inlet pipe 19 is connected with the running water pipe. The water inlet chamber 16 communicates with the water jacket furnace body 4 through a through hole 15 arranged on the lower annular horizontal partition of the water jacket furnace body.

In the closed water inlet chamber 16, vertically set up a dividing plate 18, and the vertically setting dividing plate 18 is located between the lower water inlet pipe 19 and said through hole 15. When the cold water enters the water inlet chamber 16 from the lower water inlet pipe 19, under the action of the vertical partition 18, the water flows around the water inlet chamber 16 first, and then turns upwards through the through hole 15 and enters the water jacket furnace body 4. .

In addition, in order to improve the coal combustion efficiency of the utility model boiler, the combustion chamber 17 is also connected with a blower 22 .

Claims (3)

1. A vertical civil heating boiler, comprising a water jacket furnace body (4), a combustion chamber (17) is arranged in the lower part of the water jacket furnace body (4), and a chimney (1) is arranged on the top of the water jacket furnace body (4) ), the heat-absorbing pipe (5) communicated with the water-jacket furnace body is intersected in the upper part of the water-jacket furnace body (4) below the chimney (1), and it is characterized in that: between the heat-absorbing pipe (5) and the combustion chamber (17 ) between the furnace (14) is vertically installed with an inverted water jacket heat collecting cover (7), and the lower side of the water jacket heat collecting The standpipe (25) of the standpipe (25) is connected, and the lower end of the standpipe (25) is provided with a drainpipe (23) extending to the outside of the water jacket body of furnace, and the upper end opening of the standpipe (25) is located in the top of the water jacket body of furnace (4). Ring-shaped upper and lower heating pipes (10), (12) are horizontally arranged in the water jacket heat collecting cover (7), and cylindrical heating elements ( 8), the upper side of the heating element (8) communicates with the upper heating pipe (10) through the upper branch pipe (9), and the lower side of the heating element (8) communicates with the lower heating pipe (12) through the lower branch pipe. The heating pipe (12) communicates with the inner wall of one side of the water jacket heat collecting cover (7) through the water pipe (13), and the upper heating pipe (10) is connected with a hot water pipe (6 ), the hot water pipe (6) extends into the water jacket furnace body from the top of the water jacket heat collecting cover, the upper opening of the hot water pipe (6) is close to the top surface of the water jacket furnace body (4), and the top surface of the water jacket furnace body A water outlet pipe (3) is arranged on the top, and an annular closed water inlet chamber (16) is respectively equipped with a lower water inlet pipe (19) and a lower water outlet pipe (21) between the combustion chamber wall and the lower furnace body wall of the water jacket furnace body. , the water inlet chamber (16) communicates with the water jacket furnace body (4) through a through hole (15) arranged on the lower annular horizontal partition of the water jacket furnace body. 2. The vertical civil heating boiler according to claim 1, characterized in that: the upper and lower intervals of the cylindrical heating element (8) are interlaced with horizontal partitions (11), and the horizontal partitions (11) are C shape. 3. The vertical civil heating boiler according to claim 1, characterized in that: a vertical partition (18) is vertically arranged in the closed water inlet chamber (16), and the vertical partition (18) is located at the lower inlet Between water pipe (19) and said through hole (15).

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