Industrial cooling water recycling device for thermal power plant

Abstract

The utility model provides an industrial cooling water recycling device for a thermal power plant. The industrial cooling water recycling device for the thermal power plant comprises a bottom plate; the mounting frame is fixedly connected to the position, close to one side, of the top of the bottom plate, a heating box is mounted at the top of the mounting frame, a second connector is mounted on one side of the heating box, a conveying assembly is mounted at the top of the mounting frame, a suction pipe is mounted at an inlet of the conveying assembly, and a conveying pipe is mounted at an outlet of the conveying assembly; a heating pipe is mounted at the other end of the conveying pipe, a backflow pipe is mounted at the other end of the heating pipe, and a partition plate is mounted in the mounting frame. According to the industrial cooling water recycling device for the thermal power plant, through the design, the cooling water recycling structure is simplified, hot gas of the boiler is recycled, the heat utilization rate is increased, meanwhile, flue gas heat is adopted for preheating cooling water, and the later-period cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of industrial cooling water recycling of thermal power plant, especially to a kind of industrial cooling water recycling device of thermal power plant. BACKGROUND

[0002] Thermal power plant is a factory that uses fuel to produce electricity, and its basic production process is: when fuel is burned, it heats water to generate steam, converting the chemical energy of fuel into heat energy, and the steam pressure drives the steam turbine to rotate, converting heat energy into mechanical energy, and then the steam turbine drives the generator to rotate, converting mechanical energy into electrical energy.

[0003] In the public patent 202122672635.4, including boiler body, steam pipeline, steam turbine, generator, connecting pipe one, condenser, water storage tank, transparent scale instrument, connecting pipe two, connecting pipe three, valve, water quality filter, deaerator, connecting pipe four, connecting pipe five, small water pump, pre-heater, temperature regulator and water pump, the condenser condenses the steam into water; the water quality filter can filter scale and floating matter; the water storage tank replenishes water; the deaerator removes oxygen in the feedwater system; the pre-heater preliminarily heats the water, and the temperature regulator controls the temperature of the pre-heater; the transparent scale instrument can observe the water quantity in the water storage tank.

[0004] The above-mentioned cooling water recycling device structure is relatively complex, convenient for later maintenance, and the cooled water needs to be heated by a separate heating device, which will increase the additional energy consumption.

[0005] Therefore, it is necessary to provide a thermal power plant industrial cooling water recycling device to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of industrial cooling water recycling device of thermal power plant, solve the problem that cooling water recycling device of more structure composition is not convenient for later maintenance and additional energy consumption is increased by using separate heating equipment to heat cooling water.

[0007] To solve the above technical problems, the thermal power plant industrial cooling water recycling device provided by the utility model comprises a bottom plate.

[0008] The mounting frame is fixedly connected to the top of the bottom plate near one side, a heating box is mounted on the top of the mounting frame, a second connector is mounted on one side of the heating box, a conveying assembly is mounted on the top of the mounting frame, a suction pipe is mounted on the inlet of the conveying assembly, a conveying pipe is mounted on the outlet of the conveying assembly, a heating pipe is mounted on the other end of the conveying pipe, a return pipe is mounted on the other end of the heating pipe, a partition plate is mounted in the mounting frame, a water tank is mounted on the top of the partition plate, and an oxygen remover is mounted on the top of the water tank.

[0009] The boiler is mounted on the top of the bottom plate near the other side, a smoke pipe is mounted on the top of the boiler, a first connector is mounted on the other end of the smoke pipe, a plurality of flue heat pipes are mounted between the first connector and the second connector, a steam pipe is mounted on the top of the boiler, a steam turbine is mounted on the other end of the steam pipe, a condenser is mounted on the outlet of the steam turbine, and a flow pipe is mounted on the bottom of the condenser.

[0010] The heating pipe is spirally distributed in the heating box, the other end of the suction pipe is connected to one side of the water tank, the other end of the return pipe is connected to the liquid tank in the boiler, the bottom of the condenser is connected to the top of the mounting frame, the first connector disperses the flue gas into the plurality of flue heat pipes, the second connector collects the flue gas in the plurality of flue heat pipes, and the other end of the flow pipe is connected to the inlet of the oxygen remover.

[0011] Preferably, a control box is mounted on one side of the partition plate, and a box door is rotatably connected to one side of the control box.

[0012] The inside of the control box is provided with a power switch and a controller for controlling the operation of the equipment.

[0013] Preferably, a mounting base is mounted on one side of the partition plate, and a control switch is mounted on one side of the mounting base.

[0014] The control switch can manually control the operation of the equipment on the bottom plate.

[0015] Preferably, two fixed buckles are mounted in the water tank, and a filter screen is mounted between the two fixed buckles.

[0016] Preferably, the conveying assembly comprises a protective shell, a ventilation hole is formed in one side of the protective shell, and a conveying pump is mounted in the protective shell.

[0017] The outlet of the conveying pump is provided with a conveying pipe, and the inlet of the conveying pump is provided with a suction pipe.

[0018] Preferably, a butt joint pipe is fixedly connected to the other end of the second connector, and the partition plate is T-shaped.

[0019] Compared with the related art, the industrial cooling water recycling device for the thermal power plant has the following beneficial effects:

[0020] The utility model provides a kind of industrial cooling water recycling device for thermal power plant, to reduce use cost for the convenience of industrial cooling water recycling device for thermal power plant later maintenance, install a heating tank that can be loaded liquid on mounting bracket, and cover the flue heat pipe between first connecting head and second connecting head by heating tank, after the heating pipe connected with delivery pipe is spirally distributed in the inside of heating tank, it can utilize the liquid heated in heating tank and the cooling water in the inside of heating pipe to carry out heat exchange, preheat for cooling water, and the backflow pipe of another end of delivery pipe and hot water storehouse in boiler are connected, simplify the structure of cooling water recycling by the design, and boiler hot gas is reused, increase heat utilization rate, cooling water is preheated by flue gas heat simultaneously, reduce later cost. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 For the structure schematic view of a preferred embodiment of the utility model provides industrial cooling water recycling device for thermal power plant;

[0022] Figure 2 For the structure schematic view of condenser provided by the utility model;

[0023] Figure 3 For the structure schematic view of heating pipe provided by the utility model;

[0024] Figure 4 For the structure schematic view of fixed buckle provided by the utility model;

[0025] Figure 5 For the structure schematic view of delivery pump provided by the utility model.

[0026] Marked number in drawing: 1, bottom plate, 2, boiler, 3, smoke pipe, 4, first connecting head, 5, heating tank, 6, delivery pipe, 7, butt joint pipe, 8, filter screen, 9, second connecting head, 10, flow pipe, 11, deaerator, 12, delivery assembly, 121, protective shell, 122, air hole, 123, delivery pump, 13, suction pipe, 14, water tank, 15, partition, 16, mounting bracket, 17, box door, 18, control box, 19, mounting base, 20, control switch, 21, steam pipe, 22, condenser, 23, backflow pipe, 24, flue heat pipe, 25, heating pipe, 26, fixed buckle, 27, steam turbine. DETAILED DESCRIPTION

[0027] The utility model is further described below in connection with drawing and embodiment.

[0028] Please combine with Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 and Figure 5 wherein, Figure 1 is a preferred embodiment of the structure of the power plant industrial cooling water recycling device provided by the utility model; Figure 2 is a structure diagram of the condenser provided by the utility model; Figure 3 is a structure diagram of the heating pipe provided by the utility model; Figure 4 is a structure diagram of the fixing buckle provided by the utility model; Figure 5 is a structure diagram of the conveying pump provided by the utility model. The power plant industrial cooling water recycling device comprises a bottom plate 1;

[0029] An installation frame 16 is fixedly connected to the top of the bottom plate 1 near one side, a heating box 5 is installed on the top of the installation frame 16, a second connecting head 9 is installed on one side of the heating box 5, a conveying assembly 12 is installed on the top of the installation frame 16, a suction pipe 13 is installed on the inlet of the conveying assembly 12, a conveying pipe 6 is installed on the outlet of the conveying assembly 12, a heating pipe 25 is installed on the other end of the conveying pipe 6, a backflow pipe 23 is installed on the other end of the heating pipe 25, a partition plate 15 is installed in the installation frame 16, a water tank 14 is installed on the top of the partition plate 15, and an oxygen remover 11 is installed on the top of the water tank 14;

[0030] A boiler 2 is installed on the top of the bottom plate 1 near the other side, a smoke pipe 3 is installed on the top of the boiler 2, a first connecting head 4 is installed on the other end of the smoke pipe 3, a plurality of flue heat conduction pipes 24 are installed between the first connecting head 4 and the second connecting head 9, a steam pipe 21 is installed on the top of the boiler 2, a steam turbine 27 is installed on the other end of the steam pipe 21, a condenser 22 is installed on the outlet of the steam turbine 27, and a flow pipe 10 is installed on the bottom of the condenser 22;

[0031] The heating pipe 25 is spirally distributed in the inside of the heating box 5, the other end of the suction pipe 13 is connected to one side of the water tank 14, the other end of the backflow pipe 23 is connected to the liquid bin in the boiler 2, the bottom of the condenser 22 is connected to the top of the installation frame 16, the first connecting head 4 disperses the flue gas into the plurality of flue heat conduction pipes 24, the second connecting head 9 collects the flue gas in the plurality of flue heat conduction pipes 24, the other end of the flow pipe 10 is connected to the inlet of the oxygen remover 11, the outlet of the oxygen remover 11 is connected to the water tank 14 through a pipeline, and the other outlet of the steam turbine 27 is connected to a generator through a pipeline.

[0032] A control box 18 is installed on one side of the partition plate 15, and a box door 17 is rotatably connected to one side of the control box 18;

[0033] The box door 17 is provided with a lock, and the control box 18 is internally provided with a power switch and a controller for controlling the operation of the equipment.

[0034] One side of the partition plate 15 is provided with a mounting base 19, and one side of the mounting base 19 is provided with a control switch 20.

[0035] The control switch 20 can manually control the operation of the equipment on the bottom plate 1.

[0036] The water tank 14 is internally provided with two fixing buckles 26, and a filter screen 8 is arranged between the two fixing buckles 26.

[0037] The filter screen 28 can preliminarily filter the cooling water.

[0038] The conveying assembly 12 comprises a protective shell 121, the protective shell 121 is internally provided with a conveying pump 123, and one side of the protective shell 121 is provided with a breathable hole 122.

[0039] The outlet of the conveying pump 123 is provided with a conveying pipe 6, and the inlet of the conveying pump 123 is provided with a suction pipe 13.

[0040] The other end of the second connecting head 9 is fixedly connected with a butt joint pipe 7, and the partition plate 15 is T-shaped.

[0041] The butt joint pipe 7 is connected with a flue gas treatment pipeline.

[0042] The working principle of the thermal power plant industrial cooling water recycling device is as follows:

[0043] A heating tank 5 capable of containing liquid is arranged on the mounting frame 16, and the flue heat pipe 24 between the first connecting head 4 and the second connecting head 9 is covered by the heating tank 5, and then the heating pipe 25 connected with the conveying pipe 6 is spirally arranged in the inside of the heating tank 5, so that the liquid heated in the inside of the heating tank 5 and the cooling water in the inside of the heating pipe 25 can be used for heat exchange, the cooling water is preheated, the backflow pipe 23 at the other end of the conveying pipe 6 is connected with the hot water bin in the boiler 2, in actual use, the steam generated by the heating of the boiler 2 is cooled by the condenser 22 and then flows into the deaerator 11 for deaeration, after completion, the cooling water falls into the water tank 14, in this process, the conveying assembly 12 pumps out the cooling water in the water tank 14 and then uses the liquid heated in the heating pipe 25 and the heating tank 5 for heat exchange, so that the preheating of the cooling water is completed, after completion, the cooling water flows into the liquid bin of the boiler 2 through the backflow pipe 23, and the flue gas generated by the combustion of the boiler 2 heats the liquid in the inside of the heating tank 5 through the flue heat pipe 24, so that the heat exchange is improved.

[0044] Compared with the related art, the industrial cooling water recycling device for the thermal power plant has the following beneficial effects:

[0045] In order to reduce the use cost of the industrial cooling water recycling device for the thermal power plant in the later period of maintenance, a heating box 5 capable of containing liquid is installed on the mounting frame 16, the flue heat conduction pipe 24 between the first connecting head 4 and the second connecting head 9 is covered by the heating box 5, then the heating pipe 25 connected with the conveying pipe 6 is spirally distributed in the inside of the heating box 5, the liquid heated in the inside of the heating box 5 and the cooling water in the inside of the heating pipe 25 can be used to exchange heat, the cooling water is preheated, the backflow pipe 23 at the other end of the conveying pipe 6 is connected with the hot water bin in the boiler 2, the structure of the cooling water recycling is simplified by the design, the hot gas in the boiler 2 is reused, the heat utilization rate is increased, the flue gas heat is used to preheat the cooling water, and the later period cost is reduced.

[0046] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent flow transformation by using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A thermal power plant industrial cooling water recycling device, characterized by, Include: The bottom plate; The mounting frame is fixedly connected on the top of the bottom plate near one side, the top of the mounting frame is provided with a heating box, one side of the heating box is provided with a second connector, the top of the mounting frame is provided with a conveying assembly, the inlet of the conveying assembly is provided with a suction pipe, the outlet of the conveying assembly is provided with a conveying pipe, the other end of the conveying pipe is provided with a heating pipe, the other end of the heating pipe is provided with a return pipe, the inside of the mounting frame is provided with a partition plate, the top of the partition plate is provided with a water tank, the top of the water tank is provided with an oxygen remover; The boiler is installed on the top of the bottom plate near the other side, the top of the boiler is provided with a smoke pipe, the other end of the smoke pipe is provided with a first connector, a plurality of flue heat pipes are installed between the first connector and the second connector, the top of the boiler is provided with a steam pipe, the other end of the steam pipe is provided with a steam turbine, the outlet of the steam turbine is provided with a condenser, the bottom of the condenser is provided with a flow pipe.

2. The apparatus according to claim 1, wherein One side of the partition plate is provided with a control box, the control box is rotatably connected with a box door.

3. The apparatus according to claim 1, wherein One side of the partition plate is provided with a mounting base, one side of the mounting base is provided with a control switch.

4. The apparatus according to claim 1, wherein The inside of the water tank is provided with two fixed buckles, a filter screen is installed between the two fixed buckles.

5. The apparatus according to claim 1, wherein The conveying assembly comprises a protective shell, the protective shell is provided with a breathable hole on one side, and the inside of the protective shell is provided with a conveying pump.

6. The apparatus according to claim 1, wherein The other end of the second connector is fixedly connected with a butt joint pipe, and the partition plate is T-shaped.

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