CN114992695A - Distributed central heating equipment - Google Patents

Abstract

The invention belongs to the technical field of heating, in particular to a distributed central heating device. The present invention includes a light energy assembly, a water storage tank and a biogas heating assembly, wherein the light energy assembly is composed of a plurality of vacuum heat collecting tubes, and the vacuum heat collecting tubes are fixedly connected above the bracket, and the present invention also includes a water storage tank, a water storage tank and a vacuum heat collecting tube The heat pipes are connected, so that the hot water heated by the vacuum heat collector can enter the water storage tank, and then the hot water is sent to the indoor pipeline through the water pump fixed on one side of the water storage tank for heating. The heat collection efficiency of the heat pipe is reduced. The present invention is also provided with a biogas heating component, which burns the biogas to heat the water. Similarly, the biogas heating component is communicated with the water storage tank, and the heated hot water can be sent into the water storage tank. Compared with the use of coal, etc. For central heating, the present invention heats water through solar energy and biogas, implements distributed central heating in units of districts, saves resources and reduces costs.

Description

A kind of distributed central heating equipment

technical field

The invention belongs to the technical field of heating, in particular to a distributed central heating device.

Background technique

Heating is the earliest building environment control technology developed by human beings. Since human beings know how to use fire, in order to resist the threat of cold to survival, they have invented heating methods such as kang, stove, fire wall, and fire ground. This is the earliest heating equipment and system, and some are still being used. For central heating and distributed heating, most cities in northern my country use central heating for heating, and most of them use coal as fuel for heating;

Distributed central heating is different from traditional heating methods. The distributed heat source method adopted can build small distributed heat source stations close to users according to local conditions. It has the advantages of small footprint and low investment. Central heating equipment rarely effectively recovers and reuses waste heat during use.

In view of this, the present invention provides a distributed central heating device to solve the above technical problems.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is that the distributed central heating is different from the traditional heating method, and the distributed heat source method adopted can build a small distributed heat source station close to the user according to local conditions, and has the advantages of small footprint and low investment. However, the existing distributed central heating equipment seldom effectively recovers and reuses the waste heat during use.

In order to solve the above problems, the present invention provides the following technical solutions:

A distributed central heating device, comprising a light energy component, the light energy component being fixed on a support frame;

a water storage tank, the water storage tank is communicated with the light energy component;

A biogas heating assembly, the biogas heating assembly is communicated with a water storage tank, and both the light energy assembly and the biogas heating assembly are used to heat water to achieve the purpose of heating.

Preferably, the light energy assembly includes a vacuum heat collector tube and a support, a groove is formed inside the support, and a vacuum heat collector tube is fixedly connected inside the groove.

Preferably, the vacuum heat collecting tube communicates with the water storage tank.

Preferably, the biogas heating assembly includes:

a casing, the casing is provided with a cavity inside;

a dividing plate that divides the cavity into an upper cavity and a lower cavity;

a biogas burner, the biogas burner is located inside the lower cavity;

a heating pipe, which is coiled on the outer surface of the biogas burner;

The preheating pipe is located inside the upper cavity, and a water inlet is provided at the connection between the preheating pipe and the upper end of the upper cavity.

Preferably, a flue gas pipe is sleeved outside the preheating pipe, and an exhaust port is opened at the connection between the flue gas pipe and the upper end of the upper cavity; the exhaust port is not communicated with the water inlet.

Preferably, a filter assembly is fixedly connected to the outer side of the housing, and the filter assembly includes:

a support shell, which is fixedly connected with the outer shell; the support shell is connected with the partition plate through the second pipe, and the support shell is communicated with the lower cavity under the partition plate through the first pipeline;

a water storage tank, a pressure valve is installed at the bottom of the water storage tank;

A filter screen, the filter screen is located under the water storage tank.

Preferably, a water pipe is connected between the flue gas pipe and the water storage tank.

Preferably, the preheating pipe communicates with the inside of the support shell.

Preferably, a brush is fixedly connected to the inner wall of the flue gas pipe.

Preferably, the interior of the water storage tank is divided into a hot water tank and a cold water tank, and the hot water tank and the cold water tank are separated by an insulating material.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention adopts biogas and solar energy as heating energy. Since biogas is easily available in the community, and solar energy is also a clean energy, coal resources can be saved and heating costs can be reduced.

2. In the present invention, a heating pipe and a preheating pipe are provided, and the preheating pipe is preheated by using the high temperature flue gas generated by the combustion and combustion of the biogas, so that the resources can be more fully utilized.

3. The present invention can not only filter the flue gas to remove impurities, but also reduce air pollution by providing a filter assembly, and can also use the water produced by the combustion of the biogas to clean the filter screen.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention;

2 is a schematic diagram of the internal structure of the biogas heating assembly of the present invention;

Fig. 3 is the enlarged view of place B in Fig. 2 of the present invention;

Fig. 4 is the enlarged view of C place in Fig. 3 of the present invention;

Fig. 5 is the enlarged view of place A in Fig. 2 of the present invention;

Fig. 6 is the enlarged view of D place in Fig. 2 of the present invention;

7 is a schematic diagram of the internal structure of the water storage tank of the present invention.

Reference signs: light energy assembly 1, vacuum heat collector tube 11, support 12, support frame 2, water storage tank 3, biogas heating assembly 4, shell 41, partition plate 42, biogas burner 43, heating pipe 44, preheating Pipe 45, electronic igniter 46, water inlet 47, water outlet 48, flue gas pipe 5, brush 51, filter assembly 6, support shell 61, water storage tank 62, filter screen 63, pipe one 64, pipe two 65, Exhaust port 66 , water pipe 7 , sewage collection tank 8 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

As shown in FIG. 1 , the present invention includes a light energy assembly 1, a water storage tank 3 and a biogas heating assembly 4, wherein the light energy assembly 1 is composed of a plurality of vacuum heat collecting tubes 11, and the vacuum heat collecting tubes 11 are fixedly connected above the bracket 12, The bracket 12 can be an outdoor parking shed in the community, and the vacuum heat collection tube 11 is fixedly connected to the top of the parking shed for absorbing solar energy, wherein the vacuum heat collection tube 11 can adopt the existing technology in the solar water heater, and the present invention also includes storage. The water tank 3 and the water storage tank 3 can be placed at the corners of the community, and the water storage tank 3 is communicated with the vacuum collector tube 11, so that the hot water heated by the vacuum collector tube 11 can enter the water storage tank 3, and then pass through the vacuum collector tube 11. The water pump fixed on one side of the water storage tank 3 sends hot water into the indoor pipeline for heating. Secondly, in order to prevent the reduction of the heat collection efficiency of the vacuum heat collector tube 11 in cloudy and rainy days, the present invention is also provided with a biogas heating assembly 4. The biogas tank replaces the septic tank, and uses the biogas combustion in the biogas tank to heat the water. Similarly, the biogas heating component 4 is communicated with the water storage tank 3, and the heated hot water can be sent to the water storage tank 3. For central heating, the present invention heats water through solar energy and biogas, implements distributed central heating in units of districts, and arranges heating according to the specific conditions of the owners of the districts. Compared with most existing district-based central heating, saving resources and reduce costs.

As shown in FIG. 2 , the biogas heating assembly 4 includes a casing 41 with a cavity inside; a partition plate 42 is fixed inside the cavity, and the partition plate 42 divides the cavity into an upper cavity and a lower cavity Cavity; a biogas burner 43 is fixedly connected inside the lower cavity, the inside of the biogas burner 43 is a hollow structure and a plurality of air outlets are opened around, the air outlets can transport biogas, and an electronic igniter 46 is fixedly connected under the outer casing 41, It can be used to ignite biogas, and a heating pipe 44 is coiled around the biogas burner 43. The water in the heating pipe 44 is heated by the combustion of the biogas, and the heated water enters the water storage tank 3 through the water outlet 48 under the casing 41; A preheating tube 45 is spiraled inside the upper cavity. The preheating tube 45 is fixedly connected to the inner wall of the upper cavity. The preheating tube 45 communicates with the heating tube 44, so that the preheated water can enter the heating tube 44; one end of the preheating tube 45 It is connected with the water inlet 47 opened on the top of the casing 41, and the water can be delivered to the interior of the preheating pipe 45 through the water inlet 47;

As shown in Fig. 3, the outer side of the preheating pipe 45 is sleeved with a flue gas pipe 5. Since the biogas in the lower cavity will generate high-temperature flue gas after combustion, as shown in Fig. 6, a filter assembly 6 is fixed on one side of the casing. , the filter assembly 6 includes a support shell 61, a water storage tank 62 and a filter screen 63; the high-temperature flue gas enters the support shell 61 through the first pipe 64, and the flue gas enters the second pipe 65 after being filtered through the filter screen 63 in the filter assembly 6, The second pipe 65 communicates with the flue gas pipe 5 and is not communicated with the preheating pipe 45, so the filtered flue gas can enter the flue gas pipe 5 from the beginning end of the flue gas pipe 5 at the partition plate 42, and the high temperature flue gas The preheating pipe 45 wrapped in the flue gas pipe 5 can be heated, thereby heating the water in the preheating pipe 45, and the heat generated by the combustion of the biogas can be fully utilized. The water heated by the preheating pipe 45 enters the heating pipe. Further heating is carried out in the pipe 44. As shown in FIG. 5, the flue gas pipe 5 is wrapped around the outside of the preheating pipe 45, and the flue gas pipe 5 and the preheating pipe 45 are separated at the wall thickness of the upper cavity so that the flue gas pipe 5 communicates with each other. To the exhaust port 66 , the preheating pipe 45 is communicated with the water inlet 47 , so that the exhaust port 66 is not communicated with the water inlet 47 , so that the flue gas heats the preheating pipe 45 and is discharged through the exhaust port 66 .

As shown in FIG. 4 , a brush 51 is fixedly connected to the inner wall of the flue gas pipe 5. Although the flue gas entering the interior of the flue gas pipe 5 is filtered by the filter screen 63, some impurities will still remain, and the residual impurities will accumulate in the The inner wall of the flue gas pipe 5 is fixed with a brush 51 on the inner wall of the flue gas pipe 5. When the flue gas flows inside the flue gas pipe 5, the brush 51 will be driven to shake, so that the shaking brush 51 can clean the flue gas pipe 5. The impurities on the inner wall reduce the possibility of the accumulation of impurities on the inner wall of the flue gas pipe 5 .

As shown in FIG. 2 , a water pipe 7 is connected between the flue gas pipe 5 and the water storage tank 62 . Since the biogas will generate water after combustion, when the flue gas passes through the flue gas pipe 5 to cool down, there will be water on the inner wall of the flue gas pipe 5 . Water droplets, as shown in FIG. 2 , in the present invention, by setting the flue gas duct 5 in a spiral shape and placing each section of the flue gas duct obliquely, the water droplets attached to the inner wall of the flue gas duct can be left along the inner wall of the duct, and finally It enters the water storage tank 62 through the water pipe 7, and as shown in Figure 2, the flue gas pipe at I is higher than the flue gas pipe at II. The water pipe 7 connected at II can better transport the water inside the flue gas pipe 5 to the water storage tank 62; as shown in FIG. 6, the bottom of the water storage tank 62 is slope-shaped, and the bottom of the slope is provided with a pressure valve, When the water in the water storage tank 62 reaches a certain amount, such as 10 cm high; the pressure reaches the set value of the pressure valve, the pressure valve is opened at this time, and the water flows out from the water storage tank 62 through the pressure valve to wash the surface of the filter screen 63, The purpose of setting the filter screen 63 in a slope shape is to facilitate the washing of the filter screen 63 by water. The sewage collection box 8 is fixed on the outside of the support housing 61 , and the sewage collection box 8 communicates with the support housing 61 , so that the filter screen 63 is on the The washed-out impurities can enter the sewage collection tank 8 , and the staff can regularly clean the sewage collection tank 8 to ensure the normal use of the sewage collection tank 8 .

As shown in Figure 7, the water storage tank 3 is divided into two parts, one part is used to store hot water, the other part is used to store cold water, and the cold water and the hot water are separated by insulation materials, such as glass fiber; to prevent unheated The cold water has an impact on the heated hot water, thereby reducing the heating effect of the hot water.

Working principle: The present invention includes a light energy assembly 1, a water storage tank 3 and a biogas heating assembly 4, wherein the light energy assembly 1 is composed of a plurality of vacuum heat collecting tubes 11, and the vacuum heat collecting tubes 11 are fixedly connected above the bracket 12, and the bracket 12 can be For the outdoor parking shed in the community, the vacuum heat collecting tube 11 is fixedly connected to the top of the parking shed to absorb solar energy. The present invention also includes a water storage tank 3, which can be placed at the corner of the community. The water storage tank 3 is communicated with the vacuum heat collecting tube 11, so that the hot water heated by the vacuum heat collecting tube 11 can enter the water storage tank 3, and then the hot water is sent to the indoor pipeline through the water pump fixed on one side of the water storage tank 3 for heating, Secondly, in order to prevent the reduction of the heat collection efficiency of the vacuum heat collecting tube 11 in cloudy and rainy days, the present invention is also provided with a biogas heating assembly 4, which uses the biogas tank in the community to burn the biogas to heat the water. Similarly, the biogas heating assembly 4 is communicated with the water storage tank 3. , the heated hot water can be sent into the water storage tank 3, and the biogas heating assembly 4 includes an outer shell 41, and the outer shell 41 is provided with a cavity; 42 Divide the cavity into an upper cavity and a lower cavity; a biogas burner 43 is fixedly connected inside the lower cavity, and the inside of the biogas burner 43 is a hollow structure and is provided with a plurality of air outlets around it. An electronic igniter 46 is fixed below the 41, which can be used to ignite the biogas. A heating pipe 44 is coiled around the biogas burner 43. The inside of the heating pipe 44 transports water, the water in the heating pipe 44 is heated by the combustion of biogas, and the heated water enters the water storage tank 3 through the water outlet 48 under the casing 41; The preheating pipe 45 is fixedly connected with the inner wall of the upper cavity, and the preheating pipe 45 communicates with the heating pipe 44, so that the preheated water can enter the heating pipe 44. The biogas inside the cavity will generate high-temperature flue gas after combustion. As shown in Figure 6, a filter assembly 6 is fixed on one side of the casing. The filter assembly 6 includes a support casing 61, a water storage tank 62 and a filter screen 63; the high-temperature flue gas The first pipe 64 enters the support housing 61, and the flue gas is filtered by the filter screen 63 in the filter assembly 6 and then enters the second pipe 65. The second pipe 65 communicates with the flue gas pipe 5, so the filtered flue gas can enter the flue gas. In the pipe 5, the high-temperature flue gas can heat the preheating pipe 45 wrapped in the flue gas pipe 5, thereby heating the water in the preheating pipe 45, and can make full use of the heat generated by the combustion of the biogas. 45 The heated water enters the heating pipe 44 for further heating. As shown in FIG. 5, the flue gas heats the preheating pipe 45 and is discharged through the exhaust port 66. The inner wall of the flue gas pipe 5 is fixed with a brush 51. Although the flue gas is filtered by the filter screen 63 and then enters the interior of the flue gas pipe 5, some impurities still remain, and the residual impurities will accumulate on the inner wall of the flue gas pipe 5. 51. When the flue gas flows inside the flue gas pipe 5, it will drive the brush 51 to shake Therefore, the swaying brush 51 can clean the impurities on the inner wall of the flue gas pipe 5 and prevent impurities from accumulating on the inner wall of the flue gas pipe 5. The water pipe 7 is connected between the flue gas pipe 5 and the water storage tank 62. Therefore, when the flue gas is cooled by the flue gas pipe 5, water droplets will be attached to the inner wall of the flue gas pipe 5. As shown in FIG. Placed, so that the water droplets attached to the inner wall of the flue gas pipe can stay along the inner wall of the pipe, and finally enter the water storage tank 62 through the water pipe 7, and as shown in Figure 2, the flue gas pipe at I is higher than that of II. The flue gas pipe at position II can be designed so that the flue gas pipe at position II is at the lowest position, so that the water pipe 7 connected at position II can better transport the water inside the flue gas pipe 5 to the water storage tank 62 . As shown in FIG. 6 , the bottom of the water storage tank 62 is slope-shaped, and the bottom of the slope is provided with a pressure valve. When the water in the water storage tank 62 reaches a certain amount, for example, 10 cm high; the pressure reaches the set value of the pressure valve, this When the pressure valve is opened, the water flows out from the water storage tank 62 to wash the surface of the filter screen 63. The filter screen 63 is set as a slope to facilitate the washing of the filter screen 63 by water, and a sewage collection tank is fixed on the outside of the support shell 61 8, and the sewage collection tank 8 is communicated with the support housing 61, so that the impurities washed off on the filter screen 63 can enter the sewage collection tank 8, and the staff can regularly clean the sewage collection tank 8.

Claims (10)

1. a distributed central heating facility, is characterized in that, comprises: an optical energy component (1), the optical energy component (1) is fixed on the support frame (2); a water storage tank (3), the water storage tank (3) is communicated with the light energy assembly (1); A biogas heating assembly (4), the biogas heating assembly (4) is communicated with a water storage tank (3), and both the light energy assembly (1) and the biogas heating assembly (4) are used to heat water for the purpose of heating. 2 . The distributed central heating equipment according to claim 1 , wherein the light energy assembly ( 1 ) comprises a vacuum heat collector tube ( 11 ) and a bracket ( 12 ), and the bracket ( 12 ) has an inner opening. 3 . There is a groove, and a vacuum heat collecting tube (11) is fixedly connected in the groove. 3 . The distributed central heating equipment according to claim 2 , wherein the vacuum heat collecting pipe ( 11 ) communicates with the water storage tank ( 3 ). 4 . 4. A kind of distributed central heating equipment according to claim 1, is characterized in that, described biogas heating assembly (4) comprises: a casing (41), a cavity is provided inside the casing (41); a dividing plate (42), the dividing plate (42) divides the cavity into an upper cavity and a lower cavity; a biogas burner (43), the biogas burner (43) is located inside the lower cavity; a heating pipe (44), the heating pipe (44) is coiled on the outer surface of the biogas burner (43); A preheating pipe (45), the preheating pipe (45) is located inside the upper cavity, and a water inlet (47) is opened at the connection between the preheating pipe (45) and the upper end of the upper cavity. 5. A distributed central heating device according to claim 4, characterized in that, a flue gas pipe (5) is sleeved outside the preheating pipe (45), and the flue gas pipe (5) is connected to the upper end of the upper cavity An exhaust port (66) is provided at the connection, and the exhaust port (66) is not communicated with the water inlet (47). 6. A distributed central heating device according to claim 4, characterized in that, a filter assembly (6) is fixedly connected to the outer side of the casing (41), and the filter assembly (6) comprises: a support shell (61), the support shell (61) is fixedly connected with the outer shell (41); the support shell (61) is connected with the partition plate (42) through the second pipe (65), the support shell (61) The body (61) is communicated with the lower cavity below the partition plate (42) through a pipe; a water storage tank (62), a pressure valve is installed at the bottom of the water storage tank (62); A filter screen (63), the filter screen (63) is located below the water storage tank (62). 7 . The distributed central heating device according to claim 5 , wherein a water pipe ( 7 ) is connected between the flue gas pipe ( 5 ) and the water storage tank ( 62 ). 8 . 8 . The distributed central heating equipment according to claim 5 , wherein the preheating pipe ( 45 ) communicates with the inside of the support shell ( 61 ). 9 . 9 . The distributed central heating equipment according to claim 5 , wherein a brush ( 51 ) is fixedly connected to the inner wall of the flue gas pipe ( 5 ). 10 . 10. A distributed central heating device according to claim 1, characterized in that, the water storage tank (3) is divided into a hot water tank and a cold water tank, and the hot water tank and the cold water tank are separated by a partition. thermal material separation.

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