CN217928835U

CN217928835U - Conversion heat increasing device

Info

Publication number: CN217928835U
Application number: CN202221768071.2U
Authority: CN
Inventors: 冉庆东; 陈会峰; 赵凯; 张四海; 刘建波; 郭增
Original assignee: Henan Ingdeep Energy Saving Equipment Co ltd
Current assignee: Henan Ingdeep Energy Saving Equipment Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-29
Anticipated expiration: 2032-07-07

Abstract

The utility model relates to a conversion heat gain device in the technical field of waste heat utilization, including the mine water pipe, the heating pipe, the insulating tube, locating component and spacing subassembly, the middle part of heating pipe is through the coaxial cup joint of a plurality of locating component in the mine water pipe, the insulating tube is coaxial cup joint outside the mine water pipe and through spacing subassembly and mine water pipe sliding connection, the mine water pipe, heating pipe and insulating tube all are continuous S-shaped bending setting, still seted up the heating pipe connector respectively on the lateral wall that the mine water pipe both ends are close to mine water inlet and mine water export, the both ends of heating pipe are respectively bent to the heating pipe connector that corresponds and with the sealing butt joint of heating pipe connector, the outside of heating pipe connector is equipped with the express connection tube socket; the device can indirectly convert and heat up the low-quality heat energy in the mine water by utilizing the waste heat in the exhaust flue gas of the waste heat boiler of the coal mine gas generator set, so that the low-quality heat energy in the mine water can be efficiently utilized.

Description

Conversion heat increasing device

Technical Field

The utility model belongs to the technical field of the waste heat utilization, specifically speaking relates to a conversion heat gain device.

Background

The waste heat of high-temperature flue gas discharged by a coal mine gas generator set (more than or equal to 450 ℃) is recycled by arranging a waste heat boiler, however, the temperature of the flue gas at a flue gas outlet of the waste heat boiler still reaches more than 100 ℃, a coiled pipe heat exchanger is usually arranged in a flue to recycle the waste heat and then blend cold water for supplying to a bathhouse, and the heat utilization rate is low. And the associated mine waste water in the coal mining process also contains certain low-quality heat energy, and the low-quality heat energy has higher energy consumption when the heat energy is recovered through a heat pump of an air conditioning unit in a mining area.

Therefore, a conversion heat increasing device needs to be developed urgently by those skilled in the art to indirectly convert and increase low-quality heat energy in mine water by using waste heat in exhaust flue gas discharged from a waste heat boiler of a coal mine gas generator set, so that the water temperature of the mine water is increased to 40-50 ℃, thereby saving the energy consumption of a heat pump of an air conditioning unit in a mining area and efficiently utilizing the low-quality heat energy in the mine water.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned technical problem, through providing a conversion heat gain device to utilize the indirect low-quality heat energy to the mine aquatic of waste heat in the outer exhaust gas of coal mine gas generating set exhaust-heat boiler to convert the heat gain, the temperature that makes the mine water after the heat gain improves to 40 ~ 50 ℃, thereby saves the heat pump energy consumption of mining area air conditioning unit, makes the low-quality heat energy of mine aquatic can high-efficiently utilize.

In order to realize the purpose, the technical scheme of the utility model is that:

a conversion heat increasing device comprises a mine water pipe, a heat increasing pipe, a heat preservation pipe, a positioning assembly and a limiting assembly, wherein the middle part of the heat increasing pipe is coaxially sleeved in the mine water pipe through the plurality of positioning assemblies, the heat preservation pipe is coaxially sleeved outside the mine water pipe, two ends of the heat preservation pipe are respectively in sliding connection with the mine water pipe through the limiting assembly, the plurality of positioning assemblies are uniformly distributed on the inner side of the mine water pipe and are respectively in sliding connection with the heat increasing pipe, the mine water pipe, the heat increasing pipe and the heat preservation pipe are arranged in a continuous S-shaped bent mode, a mine water inlet and a mine water outlet are respectively arranged at two ends of the mine water pipe, heat increasing pipe connectors are further respectively arranged on the side walls, close to the mine water inlet and the mine water outlet, at two ends of the heat increasing pipe are respectively bent to the corresponding heat increasing pipe connectors and are in sealed butt joint with the heat increasing pipe connectors, and quick-connection pipe seats are arranged on the outer sides of the heat increasing pipe connectors.

Preferably, locating component includes position sleeve and dead lever, the position sleeve slides and cup joints outside the heating tube, and a plurality of dead levers are radial connection outside fixed coat, and the dead lever keeps away from the one end of position sleeve and the inner wall fixed connection of mine water pipe, when can provide locate function for the heating tube, satisfies the displacement direction needs under the heating tube expend with heat and contract with cold state.

Preferably, the limiting assembly comprises limiting discs fixed on the outer walls of the two ends of the mine water pipe and a spring sleeved on the mine water pipe, the two ends of the spring are respectively fixedly connected with the corresponding limiting discs and the end parts of the heat preservation pipes, and the spring is used for realizing certain displacement between the heat preservation pipes and the mine water pipe in a state of expansion with heat and contraction with cold so as to avoid damaging the heat preservation pipes.

Preferably, the quick-connection pipe seat is provided with a threaded connector, the threaded connector is in threaded connection with a metal hose, stress impact of the water inlet end and the water outlet end of the heat increasing pipe can be buffered by arranging the metal hose, and safety and reliability of the device are improved.

Preferably, the heat preservation layer is arranged on the inner side of the heat preservation pipe and is formed by filling rock wool, so that the heat preservation effect is achieved.

Preferably, the mine water pipe, the heat increasing pipe and the heat preservation pipe are flat pipes, and the flat pipes are favorable for increasing the heat exchange efficiency.

The utility model discloses still including other equipment or the subassembly that can make this conversion heat gain device normal use, these equipment or subassembly all adopt the conventional technological means in this field, for the coiled pipe heat exchanger (coiled pipe heat exchanger locates in coal mine gas exhaust-heat generator set's exhaust-heat boiler's afterbody flue) that increases the heat pipe supply hot water source. In addition, the device and the component which are not limited in the utility model all adopt the conventional technical means in the field.

The utility model discloses a theory of operation is, when the device uses, the hot water export of the coiled pipe heat exchanger of arranging in the exhaust-heat boiler afterbody flue of colliery gas waste heat generating set, be close to on the quick-connection tube socket of mine water outlet end through the pipe connection to this device, and be close to the quick-connection tube socket of mine water outlet end and be connected with the water supply pipeline in mining area bathhouse, exhaust hot water still can be used to bathhouse and use in the heat pipe after the heat transfer, make the reverse flow of hot water in the heat pipe and the mine water in the mine water pipe, realize the mine water conversion and heat up, through with the mine water pipe, heat pipe and insulating tube are continuous S-shaped and buckle the setting, can reduce fluidic flow speed, and increase the heat transfer flow, realize high-efficient heat transfer, the mine water after the heat up is through the mine water export heat pump of being connected to mining area air conditioning unit, with the heat pump energy consumption is saved, reduce the running cost of mining area air conditioning unit, in addition, this device is through setting up locating component and spacing subassembly, satisfy the mine water pipe, heat pipe and the safe operation of heat preservation pipe under different inflation volume, through the structure setting that adopts the bushing type, can save the layout space, be convenient for production and use in a flexible scene.

Compared with the prior art, the utility model discloses the beneficial effect who gains is:

the device has a simple structure and flexible arrangement, and can indirectly convert and heat low-quality heat energy in mine water by using waste heat in exhaust smoke discharged by the waste heat boiler of the coal mine gas generator set, so that the water temperature of the mine water after heat increase is increased to 40-50 ℃, thereby saving the energy consumption of a heat pump of an air conditioning unit in a mining area and efficiently utilizing the low-quality heat energy in the mine water.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention in the embodiment.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a side structural view of the positioning assembly of fig. 1.

In the figure: 1. a mine water pipe; 11. a mine water inlet; 12. a mine water outlet; 2. a heat increasing pipe; 3. a heat preservation pipe; 31. a heat-insulating layer; 4. a positioning assembly; 41. a positioning sleeve; 42. fixing the rod; 5. a limiting component; 51. a limiting disc; 52. a spring; 6. a quick-connection pipe seat.

Detailed Description

The following describes the present invention in further detail with reference to the drawings and the detailed description.

Example (b):

as shown in fig. 1-3, the utility model provides a simple structure arranges nimble conversion and increases heat facility, can utilize the waste heat of the outer exhaust gas of coal mine gas generating set exhaust-heat boiler in to change the low-quality heat energy of mine aquatic indirectly and increase heat, makes the temperature of the mine water after increasing heat improve to 40 ~ 50 ℃, thereby saves mining area air conditioning unit's heat pump energy consumption, makes the low-quality heat energy of mine aquatic can high-efficiently utilize.

The conversion heat increasing device comprises a mine water pipe 1, a heat increasing pipe 2, an insulation pipe 3, a positioning component 4 and a limiting component 5, wherein the mine water pipe 1, the heat increasing pipe 2 and the insulation pipe 3 are flat pipes, and the mine water pipe 1 and the heat increasing pipe 2 are flat pipes, so that the heat exchange efficiency is increased. The middle part of the heating pipe 2 is coaxially sleeved in the mine water pipe 1 through a plurality of positioning components 4, the heat preservation pipe 3 is coaxially sleeved outside the mine water pipe 1, two ends of the heat preservation pipe 3 are respectively in sliding connection with the mine water pipe 1 through limiting components 5, the positioning components 4 are uniformly distributed on the inner side of the mine water pipe 1 and are respectively in sliding connection with the heating pipe 2, the mine water pipe 1, the heating pipe 2 and the heat preservation pipe 3 are all arranged in a continuous S-shaped bending mode, two ends of the mine water pipe 1 are respectively provided with a mine water inlet 11 and a mine water outlet 12, two ends of the mine water pipe 1 close to the side walls of the mine water inlet 11 and the mine water outlet 12 are respectively provided with a heating pipe connector, two ends of the heating pipe 2 are respectively bent to the corresponding heating pipe connectors and are in sealed butt joint with the heating pipe connectors, and a quick connection pipe seat 6 is arranged on the outer side of the heating pipe connectors.

In this embodiment, locating component includes position sleeve 41 and dead lever 42, position sleeve 41 slides and cup joints outside heat pipe 2, and a plurality of dead levers 42 are radial connection outside fixed sleeve 41, and dead lever 42 keeps away from the one end of position sleeve 41 and the inner wall fixed connection of mine water pipe 1, when can providing locate function for heat pipe 2, satisfies the displacement direction needs under the heat pipe 2 expend with heat and contract with cold state. The limiting component 5 comprises limiting discs 51 fixed on the outer walls of the two ends of the mine water pipe 1 and springs 52 sleeved on the mine water pipe 1, the two ends of each spring 52 are fixedly connected with the corresponding limiting discs 51 and the end parts of the heat preservation pipes 3 respectively, and the springs are used for realizing certain displacement between the heat preservation pipes 3 in the expansion and contraction states of the mine water pipe 1 and avoiding damage to the heat preservation pipes 3. The quick connection pipe seat 6 is provided with a threaded connection port, the threaded connection port is in threaded connection with a metal hose (not shown in the figure), and the metal hose is arranged, so that stress impact of the water inlet end and the water outlet end of the heating pipe 2 can be buffered, and the safety and the reliability of the device are improved. The 3 inboard of insulating tube is equipped with heat preservation 31, heat preservation 31 adopts rock wool packing to form, plays thermal-insulated heat retaining effect.

When the device is used, a hot water outlet of a coiled pipe heat exchanger arranged in a flue at the tail part of a waste heat boiler of a coal mine gas waste heat generating set is connected to a quick connection pipe seat 6 of the device close to a mine water outlet end through a pipeline, the quick connection pipe seat 6 close to the mine water outlet end is connected with a water supply pipeline of a bathing room in a mining area, and hot water discharged after heat exchange in a heating pipe 2 can still be used in the bathing room.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a conversion heat gain device, includes the mine water pipe, its characterized in that: the mine water pipe, the heat-increasing pipe and the heat-insulating pipe are arranged in a continuous S-shaped bending mode, a mine water inlet and a mine water outlet are respectively arranged at two ends of the mine water pipe, heat-increasing pipe connectors are further respectively arranged on the side walls of two ends of the mine water pipe close to the mine water inlet and the mine water outlet, two ends of the heat-increasing pipe are respectively bent to the corresponding heat-increasing pipes and are in sealed butt joint with the heat-increasing pipe connectors, and quick-connection pipe seats are arranged on the outer sides of the heat-increasing pipe connectors.

2. The conversion heat gain device of claim 1, wherein: the positioning assembly comprises a positioning sleeve and fixing rods, the positioning sleeve is sleeved outside the heat increasing pipe in a sliding mode, the fixing rods are radially connected outside the fixing sleeve, and one end, far away from the positioning sleeve, of each fixing rod is fixedly connected with the inner wall of the mine water pipe.

3. The conversion heat gain apparatus of claim 1, wherein: the limiting assembly comprises limiting discs fixed on the outer walls of the two ends of the mine water pipe and springs sleeved on the mine water pipe, and the two ends of each spring are fixedly connected with the corresponding limiting discs and the end parts of the heat preservation pipes respectively.

4. The conversion heat gain device of claim 1, wherein: the quick-connection pipe base is provided with a threaded connector, and a metal hose is connected to the threaded connector in a threaded manner.

5. The conversion heat gain device of claim 1, wherein: the heat preservation pipe inboard is equipped with the heat preservation, the heat preservation adopts rock wool to fill to form.

6. The conversion heat gain device according to any one of claims 1 to 5, wherein: the mine water pipe, the heating pipe and the heat preservation pipe are all flat pipes.