CN220103233U

CN220103233U - Central heating system

Info

Publication number: CN220103233U
Application number: CN202321693206.8U
Authority: CN
Inventors: 迟全虎; 曹为华; 陈俊峰; 李强; 郑庆庆; 张安强
Original assignee: Cecep Energy Saving Technology Co ltd
Current assignee: Cecep Energy Saving Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-28
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the technical field of central heating systems, in particular to a central heating system, which comprises a heat source unit and a heat supply network unit, wherein the heat source unit comprises a coal-fired heat supply boiler and a control device, the heat supply network unit comprises a water supply pipeline and a water return pipeline, first regulating valves are arranged on the water supply pipeline and the water return pipeline, second regulating valves are arranged among the water supply pipeline, the water return pipeline and a user, and the first regulating valves and the second regulating valves are electrically connected with the control device; a water storage part is arranged in the coal-fired heat supply boiler, a heat transfer part is arranged between the water storage part and the coal-fired heat supply boiler, and the top end of the heat transfer part is communicated with a smoke outlet; the inside below of coal-fired heat supply boiler is equipped with the cloth subassembly, and the below of cloth subassembly is equipped with the clearance subassembly. Therefore, the utility model can rapidly and efficiently heat the heat supply medium, reduce heat loss, uniformly regulate and control the heat supply network according to the outdoor temperature and improve the heating efficiency.

Description

Central heating system

Technical Field

The utility model relates to the technical field of central heating systems, in particular to a central heating system.

Background

The heating modes generally comprise central heating, electric heater heating, coal-fired heating and the like, and the northern urban heating mostly adopts urban central heating modes, and the coal-fired heating boiler is generally adopted as a heat generating device, so that the indoor temperature of a user is ensured to reach the standard, and the fuel supply, the water supply temperature, the pipeline hydraulic working condition and the like at the heat source are required to be regulated according to outdoor temperature fluctuation.

At present, the existing central heating heat supply network has the defects of large range, dispersed heat sources, large time lag of quality adjustment and quantity adjustment of the heat sources, unsatisfactory heating efficiency of a heat generating device and frequent heat loss in the heating process.

How to heat the heat supply medium quickly and efficiently, reduce heat loss, uniformly regulate and control the heat supply network according to the outdoor temperature, improve the heating efficiency and become a technical problem needing breakthrough.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide a central heating system which is simple in structure, convenient to use, capable of heating a heating medium quickly and efficiently, reducing heat loss, and capable of uniformly regulating and controlling a heat supply network according to outdoor temperature, so that heating efficiency is improved.

In order to achieve the above object, the present utility model provides a central heating system, which comprises a heat source unit and a heat supply network unit, wherein the heat source unit comprises a coal-fired heat supply boiler and a control device, the heat supply network unit comprises a water supply pipeline and a water return pipeline, first regulating valves are respectively arranged on the water supply pipeline and the water return pipeline, second regulating valves are respectively arranged among the water supply pipeline, the water return pipeline and a user, and the first regulating valves and the second regulating valves are respectively electrically connected with the control device.

The water storage part is arranged in the coal-fired heat supply boiler, a water outlet and a water inlet are arranged at two ends of the water storage part, the water outlet and the water inlet respectively penetrate out of the coal-fired heat supply boiler to be connected with a water supply pipeline and a water return pipeline, a heat transfer part is arranged between the water storage part and the coal-fired heat supply boiler, and the top end of the heat transfer part is communicated with a smoke outlet.

The coal-fired heat supply boiler is characterized in that a material distribution assembly is arranged below the inside of the coal-fired heat supply boiler, and a cleaning assembly is arranged below the material distribution assembly.

According to the central heating system provided by the utility model, the distribution assembly comprises a rotatable threaded rod which is rotatably connected with the inner wall of the coal-fired heat supply boiler, a sliding plate is connected to the threaded rod in a threaded manner, the bottom end of the sliding plate is slidably connected with a receiving plate, the receiving plate is connected with the inner wall of the coal-fired heat supply boiler, and an ash discharge hole is formed in one end of the receiving plate.

According to the central heating system, the outer wall of the coal-fired heat supply boiler is provided with the driving piece, and the output shaft of the driving piece penetrates into the coal-fired heat supply boiler to be connected with the threaded rod.

According to the central heating system, the cleaning assembly comprises a driver connected to the outer wall of the coal-fired heat supply boiler, and an output shaft of the driver penetrates into the coal-fired heat supply boiler to be connected with a packing auger.

According to the central heating system provided by the utility model, one end of the coal-fired heat supply boiler is provided with the coal feeding hopper, and the other end of the coal-fired heat supply boiler is provided with the air blower.

According to the central heating system, the water storage piece is internally provided with a plurality of heating pipes.

According to the central heating system of the utility model, a plurality of baffles are arranged in the heat transfer element.

The utility model aims to provide a central heating system which comprises a heat source unit and a heat network unit, wherein a coal-fired heat supply boiler of the heat source unit is used for heating and supplying water, when the outdoor temperature changes, a first regulating valve and a second regulating valve can be regulated and controlled by a control device, the heat network is uniformly regulated and controlled, and the heating efficiency is improved; the heat transfer element can heat the heat supply medium fast and efficiently, and heat loss is reduced. In summary, the beneficial effects of the utility model are as follows: the heat supply medium can be heated fast and efficiently, heat loss is reduced, the heat supply network can be regulated and controlled uniformly according to the outdoor temperature, and heating efficiency is improved.

Drawings

FIG. 1 is a flow chart of the present utility model;

FIG. 2 is a longitudinal sectional view of the inside of the coal-fired heating boiler;

in the figure: the device comprises a 1-heat source unit, a 11-coal-fired heat supply boiler, a 111-coal feeding hopper, a 112-heat transfer element, a 113-baffle, a 114-water storage element, a 115-water outlet, a 116-water inlet, a 117-heating pipe, a 118-smoke outlet, a 12-control device, a 121-first regulating valve, a 122-second regulating valve, a 2-heat supply network unit, a 21-water supply pipeline, a 22-water return pipeline, a 3-user, a 4-blower, a 5-distributing component, a 51-driving element, a 52-threaded rod, a 53-sliding plate, a 54-receiving plate, 541-ash discharging holes, a 6-cleaning component, a 61-driver, a 62-auger and a 63-rotating plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, the utility model provides a central heating system, which comprises a heat source unit 1 and a heat network unit 2, wherein the heat source unit 1 comprises a coal-fired heat supply boiler 11 and a control device 12, the coal-fired heat supply boiler 11 is a heat generating device of the heat source unit 1, a water outlet 115 and a water inlet 116 of the coal-fired heat supply boiler 11 are respectively connected with a water supply pipeline 21 and a water return pipeline 22 of the heat network unit 2, the water supply pipeline 21 transmits heating water to a user 3, the user 3 transmits heating backwater after heat exchange to the water return pipeline 22, the water return pipeline 22 returns heating backwater to the coal-fired heat supply boiler 11 for reheating, the water supply pipeline 21 and the water return pipeline 22 are respectively provided with a first regulating valve 121, a second regulating valve 122 is respectively arranged between the water supply pipeline 21, the water return pipeline 22 and the user 3, the first regulating valve 121 and the second regulating valve 122 are respectively electrically connected with the control device 12, the first regulating valve 121 and the second regulating valve 122 can be uniformly regulated through the control device 12 (the prior art that the electric control regulating valves are uniformly regulated through a control center is matured, the water supply pipeline is not described here), the first regulating valve 121 can control the water supply pipeline 21 and the backwater and the water return pipeline 22 are controlled, the heating water return pipeline 22 can be heated, the temperature of the user can control the water supply pipeline 11 and the heating pipeline is controlled by the user 3, and the user can control the temperature and the water supply pipeline and the heating pipeline is controlled by the user and the water supply pipeline and the heating system.

Referring to fig. 2, the structure of the coal-fired heat supply boiler 11 is the same as that of the existing coal-fired boiler (the coal-fired boiler is the mature prior art, the structure and the working principle of which are not described in detail herein, for example, patent with publication number CN109838899a, the structure and the working principle of a coal-fired heat supply boiler capable of fully burning coal are described in detail), one end of the coal-fired heat supply boiler 11 is provided with a coal-feeding funnel 111, the coal-feeding funnel 111 is communicated with the coal-fired heat supply boiler 11 (a valve is arranged between the coal-feeding funnel 111 and the coal-fired heat supply boiler 11 to prevent heat loss), the other end of the coal-fired heat supply boiler 11 is provided with a blower 4, the blower 4 can input air into the coal-fired heat supply boiler 11 to accelerate the flow rate, a water storage part 114 is arranged in the coal-fired heat supply boiler 11, heating water is stored in the water storage part 114, water outlet 115 and water inlet 116 are arranged at two ends of the water storage part 114, a heat transfer part 112 is arranged between the water storage part 114 and the heat supply boiler 11, the heat transfer part 112 is hollow inside the heat transfer part 112, the heat transfer part 114 surrounds the water storage part 114, the top end of the heat transfer part 112 is communicated with a smoke outlet 118, and the smoke is discharged from the smoke outlet 118 after passing through the part 112 (the smoke outlet 118 can be connected with a smoke outlet 118, the smoke outlet is connected with a smoke pump at the other end of the smoke-purifying pump, and the smoke purifying device is connected with the smoke purifying device).

Referring to fig. 2, preferably, a plurality of heating pipes 117 are disposed in the water storage member 114, and the heating pipes 117 are all connected to the heat transfer member 112, so as to enhance the heating effect.

Referring to fig. 2, preferably, a plurality of baffles 113 are provided in the heat transfer member 112 to increase the residence time of the hot flue gas and enhance the heating effect.

Referring to fig. 2, a material distributing assembly 5 is arranged below the inside of the coal-fired heat supply boiler 11, the material distributing assembly 5 comprises a threaded rod 52 rotatably connected to the inner wall of the coal-fired heat supply boiler 11, a sliding plate 53 is connected to the threaded rod 52 in a threaded manner, the bottom end of the sliding plate 53 is slidably connected to a bearing plate 54 (a sliding block is arranged at the bottom end of the sliding plate 53, a sliding way matched with the sliding block is arranged on the bearing plate 54), the bearing plate 54 is connected to the inner wall of the coal-fired heat supply boiler 11, a driving piece 51 is arranged on the outer wall of the coal-fired heat supply boiler 11, an output shaft of the driving piece 51 penetrates into the coal-fired heat supply boiler 11 and is connected with the threaded rod 52, the driving piece 51 can drive the threaded rod 52 to rotate, and when the threaded rod 52 rotates, the sliding plate 53 cannot rotate along with the threaded rod 52 under the limitation of the sliding block and the sliding way, and can only horizontally move on the bearing plate 54; one end of the receiving plate 54 is provided with an ash discharge hole 541; the below of cloth subassembly 5 is equipped with clearance subassembly 6, clearance subassembly 6 is including connecting in the driver 61 of fire coal heat supply boiler 11 outer wall, and the output shaft of driver 61 penetrates fire coal heat supply boiler 11 internal connection auger 62, and driver 61 can drive auger 62 rotation, and the one end that fire coal heat supply boiler 11 kept away from driver 61 is equipped with rotor plate 63, opens driver 61, and driver 61 drives auger 62 rotation, and auger 62 sends the coal ash to rotor plate 63 department, opens rotor plate 63, takes out the coal ash.

Referring to fig. 2, the driving member 51 and the driving member 61 are preferably rotating motors.

Referring to fig. 1 and 2, the coal-fired heating boiler 11 is used to heat the heating water supply, the heated heating water supply is sent to the user 3 through the water supply pipeline 21, the heat-transferred heating backwater is sent back to the coal-fired heating boiler 11 through the water return pipeline 22, and when the outdoor temperature changes, the first regulating valve 121 and the second regulating valve 122 can be uniformly regulated and controlled through the control device 12.

Referring to fig. 1 and 2, when the coal is supplied into the coal-fired heat-supplying boiler 11 through the coal-feeding hopper 111, the driving member 51 is turned on, the coal is distributed uniformly as much as possible by the distributing member 5, and when the coal is burned, the driving member 51 is turned on again, the coal ash is pushed down from the ash discharge hole 541, and the driving member 61 is turned on, so that the coal ash is discharged.

The utility model provides a central heating system, which comprises a heat source unit and a heat network unit, wherein a coal-fired heat supply boiler of the heat source unit is used for heating water supply, when outdoor temperature changes, a first regulating valve and a second regulating valve can be regulated and controlled by a control device, the heat network is uniformly regulated and controlled, and heating efficiency is improved; the heat transfer element can heat the heat supply medium fast and efficiently, and heat loss is reduced. In summary, the beneficial effects of the utility model are as follows: the heat supply medium can be heated fast and efficiently, heat loss is reduced, the heat supply network can be regulated and controlled uniformly according to the outdoor temperature, and heating efficiency is improved.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The central heating system is characterized by comprising a heat source unit and a heat supply network unit, wherein the heat source unit comprises a coal-fired heat supply boiler and a control device, the heat supply network unit comprises a water supply pipeline and a water return pipeline, first regulating valves are arranged on the water supply pipeline and the water return pipeline, second regulating valves are arranged among the water supply pipeline, the water return pipeline and a user, and the first regulating valves and the second regulating valves are electrically connected with the control device;

a water storage part is arranged in the coal-fired heat supply boiler, a water outlet and a water inlet are arranged at two ends of the water storage part, the water outlet and the water inlet respectively penetrate through the coal-fired heat supply boiler to be connected with a water supply pipeline and a water return pipeline, a heat transfer part is arranged between the water storage part and the coal-fired heat supply boiler, and the top end of the heat transfer part is communicated with a smoke outlet;

2. The central heating system according to claim 1, wherein the distribution assembly comprises a rotatable threaded rod rotatably connected to an inner wall of the coal-fired heat supply boiler, a sliding plate is in threaded connection with the threaded rod, a bottom end of the sliding plate is slidably connected to a receiving plate, the receiving plate is connected to the inner wall of the coal-fired heat supply boiler, and an ash discharge hole is formed in one end of the receiving plate.

3. The central heating system according to claim 2, wherein the outer wall of the coal-fired heating boiler is provided with a driving member, and an output shaft of the driving member penetrates into the inner connecting threaded rod of the coal-fired heating boiler.

4. The central heating system of claim 1, wherein the cleaning assembly comprises a drive coupled to an outer wall of the coal-fired heat supply boiler, an output shaft of the drive penetrating into the coal-fired heat supply boiler to connect with a auger.

5. The central heating system according to claim 1, wherein one end of the coal-fired heat supply boiler is provided with a coal-feeding hopper, and the other end of the coal-fired heat supply boiler is provided with a blower.

6. The central heating system according to claim 1, wherein a plurality of heating pipes are provided in the water storage member.

7. A central heating system according to claim 1, wherein a plurality of baffles are provided within the heat transfer member.