CN212537802U

CN212537802U - Waste heat and waste water recovery device

Info

Publication number: CN212537802U
Application number: CN202020993104.8U
Authority: CN
Inventors: 汪先根
Original assignee: Chuzhou Chuneng Thermal Power Co Ltd
Current assignee: Chuzhou Chuneng Thermal Power Co Ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-02-12
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses an used heat, waste water recovery device, including heat recovery device and waste water recovery device, heat recovery device is by the steam surge-box, the bypass pipe, heat exchanger and isolating valve are constituteed, the fixed-row pipeline is installed in proper order to steam surge-box upper end, even arrange pipeline and fluviograph sewage pipes and the junction of three and steam surge-box all install valve one, the bypass pipe is installed in the lower left corner of steam surge-box, the inside and the lower extreme intercommunication of placing steam surge-box in the heat exchanger have sewage pipes, the isolating valve is installed in sewage pipes and waste water recovery device's junction, waste water recovery device is by the waste water tank, the overflow pipe, the overflow sealed tube, cooling water import and cooling water export are constituteed. The utility model discloses can cushion steam and retrieve and carry out make full use of waste water and heat to there is protection mechanism in the design of device inside, all can reach automatic processing under the too big and not enough condition in space of pressure, improved processing apparatus's security.

Description

Waste heat and waste water recovery device

Technical Field

The utility model relates to a waste water waste heat recovery technical field specifically is a waste heat, waste water recovery unit.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.

However, the conventional boiler plant has the following problems with respect to the steam treatment method: (1) the steam in the fixed discharge and continuous discharge of the existing boiler equipment is discharged after being decompressed and cooled by a flash tank, heat and waste water are not effectively recycled and utilized, and sometimes, in order to reduce the discharge temperature of the waste water, cold water is added into a drainage pit for cooling treatment, so that waste is caused; (2) the existing steam treatment equipment for boiler equipment is complex in structure and high in cost. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an used heat, waste water recovery device has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a waste heat and waste water recovery device comprises a heat recovery device and a waste water recovery device, wherein the heat recovery device consists of a steam buffer tank, a bypass pipe, a heat exchanger and an isolation valve, a fixed discharge pipeline, a continuous discharge pipeline and a water level meter sewage discharge pipeline are sequentially arranged at the upper end of the steam buffer tank, valves I are arranged at the joints of the steam buffer tank, the bypass pipe is arranged at the lower left corner of the steam buffer tank, the heat exchanger is arranged in the steam buffer tank, the lower end of the heat exchanger is communicated with the sewage discharge pipeline, the isolation valve is arranged at the joint of the sewage discharge pipeline and the waste water recovery device, the waste water recovery device consists of a waste water tank, an overflow pipe, an overflow sealing pipe, a cooling water inlet and a cooling water outlet, two groups of support inlets are symmetrically arranged at the bottom of the waste water tank, and heat exchanger drain pipe holes, waste water tank overflow pipe holes, the utility model discloses a drainage device, including sewage pipes, overflow pipe, overflow seal pipe, magnet formula water level controller, pipeline, valve, drain pipe's end is installed on heat exchanger drain pipe inlet opening, the overflow pipe is installed on waste water tank overflow tube hole, the overflow seal pipe is installed on overflow seal pipe inlet opening, cooling water inlet and cooling water export are installed respectively in the right-hand member of waste water tank, still install automatic hydrophobic means on the waste water tank, automatic hydrophobic means comprises two hot-water pump, magnet formula water level controller, pipeline, valve, place in the waste water tank in the hot-water pump and be connected with magnet formula water level controller, magnet formula water level controller installs on the waste water tank, the hot-water pump goes out the water end and is connected with pipeline, valve.

As a preferred embodiment of the present invention, the inlet of the bypass pipe is located in the steam buffer tank and is higher than the center line of the steam buffer tank.

As a preferred embodiment of the utility model, decide the row's pipeline, even arrange pipeline and fluviograph sewage pipes and be the formula of staggering and evenly install in the top of steam buffer tank.

As a preferred embodiment of the utility model, the fixed row pipeline diameter is greater than even row pipeline diameter, even row pipeline diameter is greater than the fluviograph sewage pipes diameter.

As a preferred embodiment of the present invention, the waste water tank is made of a spiral pipe having a diameter of 1040mm and a length of 2000 mm.

As a preferred embodiment of the utility model, the top of support is open-type design and buries 1000mm below and arranges, the waste water tank is placed in the open position in the top of support.

As a preferred embodiment of the present invention, the position of the inlet hole of the drain pipe of the heat exchanger is lower than the center line of the heat exchanger.

As a preferred embodiment of the present invention, the overflow hole of the waste water tank is positioned lower than the lower opening of the inlet hole of the drain pipe of the heat exchanger.

As a preferred embodiment of the present invention, the inlet hole of the overflow sealing pipe is lower than the lower opening of the overflow pipe hole of the waste water tank.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme has designed one kind and has been used for specially ordering to boiler equipment, the device that effectual recovery and utilization were all carried out to steam that arranges in succession, can cushion to retrieve and carry out make full use of waste water and heat to there is protection machanism in the inside design of device, all can reach automatic processing under the too big and not enough condition in space of pressure, the security that has improved processing apparatus, and waste water after the cooling is rich in Na ion and can directly be used for the feedwater to supply in seeking desulfurization equipment, the functionality of improvement device.

2. The recovery device designed by the scheme has the advantages of simple structure and low cost, and can create higher economic value.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a side view of the installation of the fixed displacement pipeline, the continuous displacement pipeline and the drainage pipeline of the water level meter;

FIG. 3 is a diagram of the demineralized water cooling system of the present invention;

fig. 4 is a process flow diagram of the present invention.

In the figure, 1-a steam buffer tank, 2-a bypass pipe, 3-a heat exchanger, 4-an isolation valve, 5-a fixed-row pipeline, 6-a continuous-row pipeline, 7-a water level meter blow-down pipeline, 8-a valve I, 9-a blow-down pipeline, 10-a waste water tank, 11-an overflow pipe, 12-an overflow sealing pipe, 13-a cooling water inlet, 14-a cooling water outlet, 15-a support, 16-a heat exchanger drain pipe inlet hole, 17-a waste water tank overflow pipe hole, 18-an overflow sealing pipe water inlet hole, 19-a hot water pump, 20-a magnet type water level controller, 21-a conveying pipeline and 22-a valve II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a waste heat and waste water recovery device comprises a heat recovery device and a waste water recovery device, wherein the heat recovery device comprises a steam buffer tank 1, a bypass pipe 2, a heat exchanger 3 and an isolation valve 4, the upper end of the steam buffer tank 1 is sequentially provided with a fixed discharge pipeline 5, a continuous discharge pipeline 6 and a water level meter sewage discharge pipeline 7, and the joints of the three pipelines and the steam buffer tank 1 are respectively provided with a valve I8, when the steam amount from the three pipelines is too large, the working capacity of the heat exchanger 3 is exceeded, the valve I8 is closed, the bypass pipe 2 is arranged at the lower left corner of the steam buffer tank 1, the heat exchanger 3 is arranged in the steam buffer tank 1, the lower end of the heat exchanger is communicated with a sewage discharge pipeline 9, the isolation valve 4 is arranged at the joint of the sewage discharge pipeline 9 and the waste water recovery device, the waste water recovery device comprises a waste water tank 10, an overflow pipe 11, an overflow, the bottom of the waste water tank 10 is symmetrically provided with two groups of supports 15, a heat exchanger drain pipe inlet hole 16, a waste water tank overflow pipe hole 17 and an overflow sealing pipe water inlet hole 18 are arranged above the two groups of supports in a staggered manner, the tail end of the sewage discharge pipeline 9 is arranged on the heat exchanger drain pipe inlet hole 16, the overflow pipe 11 is arranged on the waste water tank overflow pipe hole 17, the overflow sealing pipe 12 is arranged on the overflow sealing pipe water inlet hole 18, the cooling water inlet 13 and the cooling water outlet 14 are respectively arranged at the right end of the waste water tank 10, the waste water tank 10 is also provided with an automatic drainage device, the automatic drainage device is composed of a hot water pump 19, a magnet type water level controller 20, a conveying pipeline 21 and a valve II 22, the hot water pump 19 is arranged in the waste water tank 10 and is connected with the magnet type water level controller 20, the magnet type water, the second valve 22 is arranged on the conveying pipeline 21, the boiler steam is discharged into the steam buffer tank 1 for buffer treatment through the fixed discharge pipeline 5, the continuous discharge pipeline 6 and the water level meter blow-off pipeline 7, when the steam amount from the three pipelines is too large in the operation process and exceeds the working capacity of the heat exchanger 3, the first valve 8 is closed, the internal steam is subjected to heat exchange treatment through the heat exchanger 3, redundant steam is discharged through the bypass pipe 2, the sewage after heat exchange is discharged into the waste water tank 10 below through the blow-off pipeline 9, in a conventional state, when the water level of the waste water tank 10 reaches a certain height, the magnet type water level controller 20 controls the hot water pump 19 to work, the hot water pump 19 pumps the sewage into the pit through the conveying pipeline 21, when the waste water discharging device fails, the waste water is automatically discharged into the pit through the overflow pipe 11, the demineralized water enters the waste water tank 10 through the cooling water inlet 13 and is conveyed to the cooling water outlet 14 through the pipeline for discharging, the demineralized water may be subjected to a cooling process.

Further improved, as shown in fig. 1: the inlet of the bypass pipe 2 is located in the steam buffer tank 1 and above the centre line of the steam buffer tank 1.

Further improved, as shown in fig. 1: the fixed row pipeline 5, the continuous row pipeline 6 and the water level meter sewage discharge pipeline 7 are uniformly arranged above the steam buffer box 1 in a staggered mode.

Further improved, as shown in fig. 1: the diameter of the fixed discharge pipeline 5 is larger than that of the continuous discharge pipeline 6, and the diameter of the continuous discharge pipeline 6 is larger than that of the drainage pipeline 7 of the water level meter.

Further improved, as shown in fig. 1: the waste tank 10 is made of spiral pipes having a diameter of 1040mm and a length of 2000 mm.

Further improved, as shown in fig. 1: the upper part of the support 15 is designed in an open manner, the lower part of the support is buried by 1000mm, and the waste water tank 10 is placed at the open position above the support 15.

Further improved, as shown in fig. 1: the heat exchanger drain inlet port 16 is located below the heat exchanger 3 centerline.

Further improved, as shown in fig. 1: the waste overflow pipe aperture 17 is located below the lower mouth of the heat exchanger drain inlet aperture 16.

Specifically, the inlet hole 18 of the overflow sealing pipe is lower than the lower opening of the overflow pipe hole 17 of the waste water tank.

In the figure: 1-steam buffer tank, 2-bypass pipe, 3-heat exchanger, 4-isolation valve, 5-fixed discharge pipe, 6-continuous discharge pipe, 7-water level meter blow-off pipe, 8-valve I, 9-blow-off pipe, 10-waste water tank, 11-overflow pipe, 12-overflow sealing pipe, 13-cooling water inlet, 14-cooling water outlet, 15-support, 16-heat exchanger drain pipe inlet hole, 17-waste water tank overflow pipe hole, 18-overflow sealing pipe inlet hole, 19-hot water pump, 20-magnet type water level controller, 21-conveying pipe and 22-valve II.

When in use: the utility model discharges boiler steam into a steam buffer tank 1 for buffer treatment through a fixed discharge pipeline 5, a continuous discharge pipeline 6 and a water level meter blow-off pipeline 7, when the steam volume from three pipelines is too large in the operation process and exceeds the working capacity of a heat exchanger 3, a valve I8 is closed, the internal steam is subjected to heat exchange treatment through the heat exchanger 3, the redundant steam is discharged through a bypass pipe 2, the sewage after heat exchange is discharged into a waste water tank 10 below through a blow-off pipeline 9, when the water level of the waste water tank 10 reaches a certain height in the conventional state, a magnet type water level controller 20 controls a hot water pump 19 to work, the hot water pump 19 pumps the sewage into a pit through a conveying pipeline 21, when a waste water discharge device fails, the waste water is automatically discharged into the pit through an overflow pipe 11, demineralized water enters the waste water tank 10 through a cooling water inlet 13 and is conveyed to a cooling water outlet 14 for discharge through a cooling water pipeline, the demineralized water may be subjected to a cooling process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 an exhaust heat, waste water recovery unit which characterized in that: comprises a heat recovery device and a waste water recovery device, wherein the heat recovery device consists of a steam buffer tank (1), a bypass pipe (2), a heat exchanger (3) and an isolation valve (4), a fixed-row pipeline (5), a continuous-row pipeline (6) and a water level meter sewage pipeline (7) are sequentially arranged at the upper end of the steam buffer tank (1), valves I (8) are arranged at the joints of the three and the steam buffer tank (1), the bypass pipe (2) is arranged at the lower left corner of the steam buffer tank (1), the heat exchanger (3) is arranged in the steam buffer tank (1), the lower end of the heat exchanger is communicated with the sewage pipeline (9), the isolation valve (4) is arranged at the joint of the sewage pipeline (9) and the waste water recovery device, the waste water recovery device consists of a waste water tank (10), an overflow pipe (11), an overflow sealing pipe (12), a cooling water inlet (13) and a cooling water outlet (14), the waste water tank is characterized in that two groups of supports (15) are symmetrically installed at the bottom of the waste water tank (10), heat exchanger drain pipe inlet holes (16), waste water tank overflow pipe holes (17) and overflow sealing pipe water inlet holes (18) are arranged above the two groups of supports in a staggered manner, the tail end of a sewage discharge pipeline (9) is installed on the heat exchanger drain pipe inlet holes (16), an overflow pipe (11) is installed on the waste water tank overflow pipe holes (17), an overflow sealing pipe (12) is installed on the overflow sealing pipe water inlet holes (18), a cooling water inlet (13) and a cooling water outlet (14) are respectively installed at the right end of the waste water tank (10), an automatic drainage device is further installed on the waste water tank (10) and consists of a hot water pump (19), a magnet type water level controller (20), a conveying pipeline (21) and a valve II (22), the hot water pump (19) is arranged in the waste water tank (10) and is connected with the magnet type water, the magnet type water level controller (20) is installed on the waste water tank (10), the water outlet end of the hot water pump (19) is connected with the conveying pipeline (21), and the second valve (22) is installed on the conveying pipeline (21).

2. The waste heat and water recovery device according to claim 1, wherein: the inlet of the bypass pipe (2) is positioned in the steam buffer tank (1) and is higher than the center line of the steam buffer tank (1).

3. The waste heat and water recovery device according to claim 2, wherein: the fixed row pipeline (5), the continuous row pipeline (6) and the water level meter sewage discharge pipeline (7) are uniformly arranged above the steam buffer tank (1) in a staggered mode.

4. The waste heat and water recovery device according to claim 3, wherein: the diameter of the fixed row pipeline (5) is larger than that of the continuous row pipeline (6), and the diameter of the continuous row pipeline (6) is larger than that of the drainage pipeline (7) of the water level meter.

5. The waste heat and water recovery device according to claim 1, wherein: the waste water tank (10) is made of a spiral pipe with the diameter of 1040mm and the length of 2000 mm.

6. The waste heat and water recovery device according to claim 5, wherein: the upper part of the support (15) is designed in an open mode, the lower part of the support is buried by 1000mm, and the waste water tank (10) is placed at the open position above the support (15).

7. The waste heat and water recovery device according to claim 1, wherein: the position of the inlet hole (16) of the water outlet pipe of the heat exchanger is lower than the central line of the heat exchanger (3).

8. The waste heat and water recovery device according to claim 7, wherein: the position of the overflow pipe hole (17) of the waste water tank is lower than the lower opening of the inlet hole (16) of the drain pipe of the heat exchanger.

9. The waste heat and water recovery device according to claim 8, wherein: and the water inlet hole (18) of the overflow sealing pipe is lower than the lower opening of the overflow pipe hole (17) of the waste water tank.