High-temperature and high-pressure steam heat energy recovery equipment

Abstract

The utility model relates to the technical field of waste heat recovery, in particular to high-temperature and high-pressure steam heat energy recovery equipment which can automatically wash a heat exchange tube, avoids manual washing of the heat exchange tube, and is convenient to use, low in labor intensity and high in practicability. Comprising a bottom plate, a support, a water tank, a water inlet pipe and a water outlet pipe, the water tank is fixedly installed at the upper end of the bottom plate through the support, a cavity is formed in the water tank, and the water inlet pipe and the water outlet pipe are installed on the upper portion and the lower portion of the water tank respectively, communicated with the cavity of the water tank and provided with valves; the water heater further comprises an input pipe, a heat exchange pipe, a discharge pipe and a flushing mechanism, the input pipe and the discharge pipe are arranged at the input end and the output end of the heat exchange pipe correspondingly, the heat exchange pipe is located in a cavity of the water tank, the input pipe and the discharge pipe are fixedly installed on the left portion and the right portion of the water tank correspondingly, and the flushing mechanism is installed on the bottom plate and communicates with the input pipe. The flushing mechanism is used for flushing the discharge pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste heat recovery, particularly to a high temperature and high pressure steam heat energy recovery equipment. BACKGROUND

[0002] The steam heat energy recovery equipment is a device for recovering heat energy in steam, which has a wide range of applications in the field of environmental protection. In the boiler room, a large amount of high temperature and high pressure steam is generated every day. If these steam is directly discharged into the air, it will not only affect the environment, but also cause waste of heat energy, so a steam heat energy recovery device is needed. In the prior art, a steam waste heat recovery system with a patent application number of 201921990915.6 is mainly composed of a heat exchange pipe and a recovery tank, the heat exchange pipe is installed in the recovery tank, and the recovery tank contains water; when in use, the steam in the boiler enters the heat exchange pipe through the steam pipeline, then the steam exchanges heat with the water in the recovery tank through the pipe wall of the heat exchange pipe, so that the steam in the heat exchange pipe is cooled and the water in the recovery tank is heated; then the staff can recover and use the water in the recovery tank; the inventor believes that the device has the following problems in use: when the steam is discharged from the steam pipeline in the boiler, some solid impurities will be mixed into the steam due to corrosion, wear and tear inside the steam pipeline or pollution of the external environment, and these solid impurities will enter the heat exchange pipe together with the steam, which may adhere to the inside of the heat exchange pipe and affect the heat exchange efficiency of the heat exchange pipe, so the inside of the heat exchange pipe needs to be flushed and cleaned regularly, but the device in the prior art does not have a device for automatically flushing the heat exchange pipe, which makes it inconvenient to use and has poor practicality. CONTENT OF THE UTILITY MODEL

[0003] To solve the above technical problems, the utility model provides a high temperature and high pressure steam heat energy recovery equipment which can automatically flush the heat exchange pipe, avoids manual flushing of the heat exchange pipe, is convenient to use, has low labor intensity and high practicality.

[0004] The utility model discloses a high temperature and high pressure steam heat energy recovery equipment, including bottom plate, support, water tank, water inlet pipe and drain pipe, and the water tank is fixedly installed on the bottom plate upper end through the support, is provided with the chamber in the water tank, and the water inlet pipe and drain pipe are installed in the upper and lower two of water tank respectively, and the water inlet pipe and drain pipe all are linked with the chamber of water tank, and all are provided with the valve on the water inlet pipe and drain pipe, still include input pipe, heat exchange pipe, discharge pipe and flushing mechanism, and the input pipe and discharge pipe are fixedly installed in the left and right two of water tank respectively, and the flushing mechanism is installed on the bottom plate, and the flushing mechanism is linked with the input pipe, and the flushing mechanism is used for flushing heat exchange pipe, when the heat energy recovery in steam, first make the steam of outside enter into the heat exchange pipe through the input pipe, and then the steam exchanges heat with the water in the chamber of water tank through the pipe wall of heat exchange pipe, makes the water in the chamber of water tank warm, and the steam after cooling can be discharged to outside through the discharge pipe, when the water temperature in the chamber of water tank rises to the appropriate temperature, opens the valve on the drain pipe, and the water in the chamber of water tank is discharged through the drain pipe and is collected and used, then new water can be added to the chamber of water tank through the water inlet pipe, when needing to flush heat exchange pipe, open the flushing mechanism, and the flushing mechanism automatically flushes the inner side wall of heat exchange pipe, and the impurities in the inner side wall of heat exchange pipe can be automatically flushed clean, when using, can automatically flush heat exchange pipe, avoids artificial flushing heat exchange pipe, convenient to use, and the practicality is high.

[0005] Preferably, still include a plurality of discharge pipes, the shape of heat exchange pipe is wave shape, a plurality of discharge pipes are all installed in the lower part of heat exchange pipe, a plurality of discharge pipes all are linked with heat exchange pipe, a plurality of discharge pipes all are provided with the valve, and the lower end of a plurality of discharge pipes all is located below the water tank, when steam is cooled in heat exchange pipe, part of steam will condense into liquid and fall to the lower part of heat exchange pipe, at this time, open the valve on a plurality of discharge pipes, and the water falling to the lower part of heat exchange pipe can be discharged through a plurality of discharge pipes, convenient to discharge the water in heat exchange pipe, convenient to use, and the practicality is high.

[0006] Preferably, the flushing mechanism comprises a water collecting tank, a water conveying pipe, a water pump, a liquid conveying pipe, a liquid discharging pipe, valve A and valve B, the water collecting tank is fixedly installed on the bottom plate, the water collecting tank is provided with a cavity, the upper end of the water collecting tank is provided as an opening, the water collecting tank is located below the plurality of discharge pipes, the input end of the water pump is communicated with the water collecting tank through the water conveying pipe, the output end of the water pump is communicated with valve B through the liquid conveying pipe, the liquid conveying pipe is provided with a valve, the liquid discharging pipe is installed on the discharge pipe and is communicated with the discharge pipe, the liquid discharging pipe is provided with a valve, valve A and valve B are respectively installed on the input pipe and the discharge pipe; through the above arrangement, when the heat exchange pipe discharges water through the plurality of discharge pipes, the water can be discharged into the water collecting tank through the plurality of discharge pipes; when the heat exchange pipe needs to be flushed, valve A and valve B are closed, the valves on the liquid conveying pipe and the liquid discharging pipe are opened, then water is added into the water collecting tank, then a certain amount of cleaning agent is added into the water collecting tank, then the water pump is opened, so that the water in the water collecting tank enters the input pipe through the water conveying pipe, the water pump and the liquid conveying pipe in turn, then the water enters the heat exchange pipe through the input pipe, the heat exchange pipe is flushed, and the flushed water is discharged to the outside through the liquid discharging pipe on the discharge pipe, so that the heat exchange pipe is conveniently flushed.

[0007] Preferably, the filter plate is fixedly installed on the upper portion of the cavity of the water collecting tank; through the above arrangement, the water entering the cavity of the filter plate is first filtered by the water collecting tank to remove solid impurities, so that the solid impurities cannot enter the water conveying pipe and the water pump through the cavity of the water collecting tank, and the reliability is improved.

[0008] Preferably, the motor, the rotating shaft and the plurality of stirring blades are further included, the motor is fixedly installed on the water collecting tank, the rotating shaft is rotatably installed on the water collecting tank, the right end of the rotating shaft is connected with the output end of the motor, and the plurality of stirring blades are fixedly installed on the rotating shaft and located in the cavity of the water collecting tank; when the heat exchange pipe is flushed, the cleaning agent and water are added into the water collecting tank, then the motor is turned on, the motor drives the plurality of stirring blades to rotate through the rotating shaft, and the plurality of stirring blades promote the mixing of the cleaning agent and the water in the cavity of the water collecting tank in the rotating process, so that the cleaning agent and the water are mixed more uniformly.

[0009] Preferably, the temperature sensor is installed on the water tank; through the above arrangement, the temperature of the water in the cavity of the water tank is conveniently monitored.

[0010] Preferably, the input pipe is provided with a pressure reducing valve; through the above arrangement, the steam is reduced in pressure in advance before entering the heat exchange pipe, and the flow rate of the steam is reduced at the same time, so that the heat exchange is not insufficient due to the too high flow rate of the steam in the heat exchange pipe.

[0011] Compared with the prior art, the heat exchange pipe can be automatically flushed, manual flushing of the heat exchange pipe is avoided, the use is convenient, the labor intensity is low, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the first axis measurement structure schematic view of the utility model;

[0013] Figure 2 is the second axis measurement structure schematic view of the utility model;

[0014] Figure 3 is the structure schematic view of heat exchange pipe, water pump and water collecting tank etc.;

[0015] Figure 4 is the cross section structure schematic view of water tank;

[0016] Figure 5 is the structure schematic view of motor, rotating shaft and stirring piece.

[0017] Mark in drawing: 1, bottom plate;2, support;3, water tank;4, water inlet pipe;5, drain pipe;6, input pipe;7, heat exchange pipe;8, discharge pipe;9, discharge pipe;10, water collecting tank;11, water delivery pipe;12, water pump;13, liquid delivery pipe;14, liquid discharge pipe;15, valve A;16, valve B;17, filter plate;18, motor;19, rotating shaft;20, stirring piece;21, temperature sensor. DETAILED DESCRIPTION

[0018] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. EMBODIMENT

[0019] As Figures 1 to 5The utility model discloses a high temperature and high pressure steam heat energy recovery equipment, including bottom plate 1, support 2, water tank 3, inlet pipe 4, drain pipe 5, input pipe 6, heat exchange pipe 7, discharge pipe 8 and flushing mechanism, water tank 3 is fixedly installed on the upper end of bottom plate 1 through support 2, is provided with chamber in water tank 3, inlet pipe 4 and drain pipe 5 are installed in the upper and lower two parts of water tank 3 respectively, inlet pipe 4 and drain pipe 5 all are connected with the chamber of water tank 3, all be provided with valve on inlet pipe 4 and drain pipe 5, the input end and output end of heat exchange pipe 7 are provided with input pipe 6 and discharge pipe 8 respectively, heat exchange pipe 7 is located in the chamber of water tank 3, input pipe 6 and discharge pipe 8 are fixedly installed in the left and right two parts of water tank 3 respectively, flushing mechanism is installed in bottom plate 1, and flushing mechanism is connected with input pipe 6, and flushing mechanism is used to flush heat exchange pipe 7, when the heat energy recovery in steam, first make steam of outside into heat exchange pipe 7 through input pipe 6, then steam exchanges heat with the water in the chamber of water tank 3 through the pipe wall of heat exchange pipe 7, makes the water in the chamber of water tank 3 warm, and the steam after cooling can be discharged to outside through discharge pipe 8, when the water temperature in the chamber of water tank 3 rises to the appropriate temperature, open the valve on drain pipe 5, make the water in the chamber of water tank 3 discharge through drain pipe 5 and then collect and use, then add new water to the chamber of water tank 3 through inlet pipe 4, when needing to flush heat exchange pipe 7, open flushing mechanism, make flushing mechanism automatically flush the inner side wall of heat exchange pipe 7, can automatically flush the impurities in the inner side wall of heat exchange pipe 7, when using, can automatically flush heat exchange pipe 7, avoids artificial flushing heat exchange pipe 7, convenient to use, and the labour intensity is low, and the practicality is high.

[0020] As Figure 3 And Figure 4 The shape of heat exchange pipe 7 is wave-shaped, a plurality of discharge pipes 9 are installed in the lower part of heat exchange pipe 7, a plurality of discharge pipes 9 are communicated with heat exchange pipe 7, a plurality of discharge pipes 9 are provided with valves, and the lower ends of a plurality of discharge pipes 9 are located below water tank 3, when steam is cooled in heat exchange pipe 7, part of steam will condense into liquid and fall to the lower part of heat exchange pipe 7, at this time, open the valves on a plurality of discharge pipes 9, so that the water falling to the lower part of heat exchange pipe 7 can be discharged through a plurality of discharge pipes 9, which facilitates the discharge of water in heat exchange pipe 7, is convenient to use, and the practicality is high.

[0021] As Figure 3The flushing mechanism comprises a water collecting tank 10, a water conveying pipe 11, a water pump 12, a liquid conveying pipe 13, a liquid discharging pipe 14, a valve A 15 and a valve B 16, the water collecting tank 10 is fixedly installed on the bottom plate 1, the water collecting tank 10 is provided with a cavity, the upper end of the water collecting tank 10 is provided with an opening, the water collecting tank 10 is located below the plurality of discharge pipes 9, the input end of the water pump 12 is communicated with the water collecting tank 10 through the water conveying pipe 11, the output end of the water pump 12 is communicated with the valve B 16 through the liquid conveying pipe 13, the liquid conveying pipe 13 is provided with a valve, the liquid discharging pipe 14 is installed on the discharge pipe 8, the liquid discharging pipe 14 is communicated with the discharge pipe 8, the liquid discharging pipe 14 is provided with a valve, the valve A 15 and the valve B 16 are respectively installed on the input pipe 6 and the discharge pipe 8; through the above setting, when the heat exchange pipe 7 discharges water through the plurality of discharge pipes 9, the water can be discharged into the water collecting tank 10 through the plurality of discharge pipes 9; when the heat exchange pipe 7 needs to be flushed, the valve A 15 and the valve B 16 are closed, the valves on the liquid conveying pipe 13 and the liquid discharging pipe 14 are opened, then water is added into the water collecting tank 10, then a certain amount of cleaning agent is added into the water collecting tank 10, then the water pump 12 is turned on, so that the water in the water collecting tank 10 enters the input pipe 6 through the water conveying pipe 11, the water pump 12 and the liquid conveying pipe 13 in turn, then the water enters the heat exchange pipe 7 through the input pipe 6, the heat exchange pipe 7 is flushed, and the flushed water is discharged to the outside through the liquid discharging pipe 14 on the discharge pipe 8; the flushing of the heat exchange pipe 7 is facilitated.

[0022] The filter plate 17 is fixedly installed on the upper portion of the cavity of the water collecting tank 10; through the above setting, the water entering the cavity of the filter plate 17 is first filtered by the water collecting tank 10 to remove solid impurities, so that the solid impurities cannot enter the water conveying pipe 11 and the water pump 12 through the cavity of the water collecting tank 10, and the reliability is improved.

[0023] As shown in Figure 5 The motor 18 is fixedly installed on the water collecting tank 10, the rotating shaft 19 is rotatably installed on the water collecting tank 10, the right end of the rotating shaft 19 is connected with the output end of the motor 18, the plurality of stirring blades 20 are fixedly installed on the rotating shaft 19, and the plurality of stirring blades 20 are located in the cavity of the water collecting tank 10; when the heat exchange pipe 7 is flushed, the cleaning agent and water are added into the water collecting tank 10, then the motor 18 is turned on, the motor 18 drives the plurality of stirring blades 20 to rotate through the rotating shaft 19, and the plurality of stirring blades 20 promote the mixing of the cleaning agent and water in the cavity of the water collecting tank 10 in the process of rotation, so that the cleaning agent and water are mixed more uniformly.

[0024] The input pipe 6 is provided with a pressure reducing valve; through the above setting, the steam is reduced in pressure in advance before entering the heat exchange pipe 7, and the flow rate of the steam is reduced at the same time, so that the heat exchange is not insufficient due to the too high flow rate of the steam in the heat exchange pipe 7. Embodiment

[0025] On the basis of embodiment 1, a temperature sensor 21 is additionally arranged on the water tank 3, and the temperature sensor 21 is installed on the water tank 3; through the above arrangement, the monitoring of the water temperature in the chamber of the water tank 3 is facilitated.

[0026] The water pump 12, the stirring piece 20 and the stirring piece 20 of the high-temperature and high-pressure steam heat energy recovery equipment are all purchased on the market, and the technical personnel in the industry only needs to install and operate according to the use instruction book attached, and no creative labor of the technical personnel in the field is needed.

[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A high-temperature and high-pressure steam heat energy recovery device, comprising a base plate (1), a support (2), a water tank (3), a water inlet pipe (4) and a drain pipe (5), the water tank (3) is fixedly installed on the upper end of the base plate (1) through the support (2), a cavity is arranged in the water tank (3), the water inlet pipe (4) and the drain pipe (5) are respectively installed on the upper and lower parts of the water tank (3), the water inlet pipe (4) and the drain pipe (5) are both communicated with the cavity of the water tank (3), and valves are arranged on the water inlet pipe (4) and the drain pipe (5); characterized in that, The utility model also includes an input pipe (6), a heat exchange pipe (7), a discharge pipe (8) and a flushing mechanism, the input end and the output end of the heat exchange pipe (7) are respectively provided with the input pipe (6) and the discharge pipe (8), the heat exchange pipe (7) is located in the cavity of the water tank (3), the input pipe (6) and the discharge pipe (8) are respectively fixedly installed on the left and right two parts of the water tank (3), the flushing mechanism is installed on the bottom plate (1), the flushing mechanism is communicated with the input pipe (6), and the flushing mechanism is used for flushing the heat exchange pipe (7).

2. A high temperature high pressure steam heat recovery apparatus as claimed in claim 1, characterised in that, The utility model also includes a plurality of discharge pipes (9), the shape of the heat exchange pipe (7) is wave-shaped, the plurality of discharge pipes (9) are all installed on the lower part of the heat exchange pipe (7), the plurality of discharge pipes (9) are all communicated with the heat exchange pipe (7), a plurality of discharge pipes (9) are all provided with valves, and the lower end of the plurality of discharge pipes (9) is all located below the water tank (3).

3. A high temperature high pressure steam heat recovery apparatus as claimed in claim 2, characterised in that, The flushing mechanism includes a water collecting tank (10), a water delivery pipe (11), a water pump (12), a liquid delivery pipe (13), a liquid discharge pipe (14), a valve A (15) and a valve B (16), the water collecting tank (10) is fixedly installed on the bottom plate (1), a cavity is arranged in the water collecting tank (10), the upper end of the water collecting tank (10) is provided as an opening, the water collecting tank (10) is located below the plurality of discharge pipes (9), the input end of the water pump (12) is communicated with the water collecting tank (10) through the water delivery pipe (11), the output end of the water pump (12) is communicated with the valve B (16) through the liquid delivery pipe (13), a valve is arranged on the liquid delivery pipe (13), the liquid discharge pipe (14) is installed on the discharge pipe (8), the liquid discharge pipe (14) is communicated with the discharge pipe (8), a valve is arranged on the liquid discharge pipe (14), the valve A (15) and the valve B (16) are respectively installed on the input pipe (6) and the discharge pipe (8).

4. A high temperature high pressure steam heat recovery apparatus as claimed in claim 3, characterised in that, The utility model also includes a filter plate (17), and the filter plate (17) is fixedly installed on the upper part of the cavity of the water collecting tank (10).

5. A high temperature high pressure steam heat recovery apparatus as claimed in claim 3, wherein, The utility model also includes a motor (18), a rotating shaft (19) and a plurality of stirring blades (20), the motor (18) is fixedly installed on the water collecting tank (10), the rotating shaft (19) is rotatably installed on the water collecting tank (10), the right end of the rotating shaft (19) is connected with the output end of the motor (18), the plurality of stirring blades (20) are all fixedly installed on the rotating shaft (19), and the plurality of stirring blades (20) are all located in the cavity of the water collecting tank (10).

6. A high temperature high pressure steam heat recovery apparatus as claimed in claim 1, wherein, The utility model also includes a temperature sensor (21), and the temperature sensor (21) is installed on the water tank (3).

7. A high temperature high pressure steam heat recovery apparatus as claimed in claim 1, wherein, A pressure reducing valve is arranged on the input pipe (6).

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