CN207893739U - The deep exploitation system of distributed busbar protection boiler blowdown water waste heat - Google Patents

The deep exploitation system of distributed busbar protection boiler blowdown water waste heat Download PDF

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Publication number
CN207893739U
CN207893739U CN201820124126.3U CN201820124126U CN207893739U CN 207893739 U CN207893739 U CN 207893739U CN 201820124126 U CN201820124126 U CN 201820124126U CN 207893739 U CN207893739 U CN 207893739U
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China
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waste heat
blowdown
pipe
connect
boiler
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CN201820124126.3U
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常娜娜
倪满慧
马琴
李贞�
李健
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Huadian Distributed Energy Engineering & Technology Co Ltd
China Huadian Engineering Group Co Ltd
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Huadian Distributed Energy Engineering & Technology Co Ltd
China Huadian Engineering Group Co Ltd
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Abstract

The utility model discloses a kind of deep exploitation systems of distributed busbar protection boiler blowdown water waste heat, including regular unloading container, boiler and waste heat recovery plant, boiler is connect with continuous blowdown pipe, continuous blowdown pipe is connect with waste heat recovery plant, waste heat recovery plant is connect by low temperature comb with periodical blowdown main pipe, and periodical blowdown main pipe is connect with regular unloading container, and regular unloading container is connect with drainage arrangement, drainage arrangement is also connect with cooling tank, and cooling tank is connect with heat sink.The utility model more can adequately utilize sewerage, and Waste Heat Reuse is big, and the temperature for the low-temperature sewage being discharged from waste heat recovery plant is lower, it is only necessary to which less cooling water cools down it;By the way that vertical pipe is arranged, the sewage from boiler can be sent directly by vertical pipe in regular unloading container when waste heat recovery plant breaks down, to also can guarantee the normal operation of boiler in waste heat recovery plant failure.

Description

The deep exploitation system of distributed busbar protection boiler blowdown water waste heat
Technical field
The utility model is related to a kind of deep exploitation systems of distributed busbar protection boiler blowdown water waste heat, belong to distributed Energy field.
Background technology
In existing boiler blow-off water system, continuous blowdown flash tank is usually set, to the continuous blowdown water of bubble on boiler Expander is carried out, the steam after expander is recycled, but uses this continuous blowdown flash tank, not only blowdown flow It is single, and available steam only occupies 30% or so of continuous blowdown water water, and Waste Heat Reuse is small, and is handled through dilatation Blowdown coolant-temperature gage afterwards is higher, needs a large amount of cooling water temperatures.
Utility model content
The purpose of the utility model is to provide a kind of deep exploitation systems of distributed busbar protection boiler blowdown water waste heat System, the Waste Heat Reuse of this system is high, and after exchanging heat boiler continuous blowdown coolant-temperature gage it is low, the cooling water inflow needed is small.
In order to solve the above technical problems, the utility model adopts the following technical scheme:A kind of distributed busbar protection boiler The deep exploitation system of sewerage waste heat, including regular unloading container, boiler and waste heat recovery plant, boiler and continuous blowdown Pipe connects, and continuous blowdown pipe is connect with waste heat recovery plant, and waste heat recovery plant is connected by low temperature comb and periodical blowdown main pipe It connects, periodical blowdown main pipe is connect with regular unloading container, and regular unloading container is connect with drainage arrangement, the drainage arrangement It is also connect with cooling tank, cooling tank is connect with heat sink, and waste heat recovery plant is connect by oral siphon with chemical water tank, waste heat Retracting device is connected by the therrmodynamic system of water supply pipe and boiler, and the regular sewage comb and emergency blowoff pipe of boiler are all connected to The periodical blowdown main pipe.Chemical water tank is passed through the low boiler replenishing water of temperature, pot by oral siphon into waste heat recovery plant Stove moisturizing exchanges heat in waste heat recovery plant with the continuous blowdown water of boiler, and the temperature of continuous blowdown water is reduced by heat exchange, The high boiler replenishing water of temperature enters the therrmodynamic system of boiler for heat supply by water supply pipe after heat exchange.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, on the continuous blowdown pipe It is provided with the first valve and the second valve, vertical pipe is provided between the first valve and the second valve.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, one end of the vertical pipe It is communicated in continuous blowdown pipe, the other end is then connected to low temperature comb.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, it is arranged on the vertical pipe There is third valve.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, the drainage arrangement includes Outlet pipe.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, the heat sink includes Cooling water pipe.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, set on the low temperature comb It is equipped with drain valve.
In a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat above-mentioned, the periodical blowdown dilatation Gland steam exhauster is provided on device.
Compared with prior art, the utility model more can adequately utilize sewerage, and Waste Heat Reuse is big, be filled from Waste Heat Recovery The temperature for setting the continuous blowdown water of discharge is lower, it is only necessary to which less cooling water cools down it;It, can by the way that vertical pipe is arranged When waste heat recovery plant breaks down, the continuous blowdown water from boiler can be sent directly into periodical blowdown by vertical pipe and expanded In container, to also can guarantee the normal operation of boiler in waste heat recovery plant failure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Reference numeral:1- regular unloading containers, 2- boilers, 3- waste heat recovery plants, 4- continuous blowdown pipes, 5- draining dresses It sets, 6- heat sinks, 7- cooling tanks, the first valves of 8-, 9- outlet pipes, 10- cooling water pipes, the second valves of 11-, 12- vertical pipes, 13- third valves, 14- drain valves, the regular sewage combs of 15-, 16- emergency blowoff pipes, 17- gland steam exhausters, 18- low temperature combs, 19- Oral siphon, 20- water supply pipes, 21- periodical blowdown main pipes, 22- chemistry water tanks.
The utility model is further described with reference to the accompanying drawings and detailed description.
Specific implementation mode
Embodiment 1:A kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat, including periodical blowdown dilatation Device 1, boiler 2 and waste heat recovery plant 3, the boiler 2 are connect with continuous blowdown pipe 4, continuous blowdown pipe 4 and waste heat recovery plant 3 connections, the waste heat recovery plant 3 connect by low temperature comb 18 with periodical blowdown main pipe 21, periodical blowdown main pipe 21 and calmly Phase blowdown system 1 connects, and regular unloading container 1 is connect with drainage arrangement 5, and the drainage arrangement 5 also connects with cooling tank 7 It connects, cooling tank 7 is connect with heat sink 6, and waste heat recovery plant 3 is connect with oral siphon 19, and waste heat recovery plant 3 passes through water supply pipe 20 connect with the therrmodynamic system of boiler, and the regular sewage comb 15 and emergency blowoff pipe 16 of boiler 2 are all connected to described regular Blowdown main pipe 21.
Embodiment 2:A kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat, including periodical blowdown dilatation Device 1, boiler 2 and waste heat recovery plant 3, the boiler 2 are connect with continuous blowdown pipe 4, continuous blowdown pipe 4 and waste heat recovery plant 3 connections, the waste heat recovery plant 3 connect by low temperature comb 18 with periodical blowdown main pipe 21, periodical blowdown main pipe 21 and calmly Phase blowdown system 1 connects, and regular unloading container 1 is connect with drainage arrangement 5, and drainage arrangement 5 is also connect with cooling tank 7, drop Warm pond 7 is connect with heat sink 6, and waste heat recovery plant 3 is connect by oral siphon 19 with chemical water tank 22, waste heat recovery plant 3 It is connect with the therrmodynamic system of boiler by water supply pipe 20, the regular sewage comb 15 and emergency blowoff pipe 16 of boiler 2 are all connected to The periodical blowdown main pipe 21.The first valve 8 and the second valve 11, the first valve 8 and second are provided on continuous blowdown pipe 4 Vertical pipe 12 is provided between valve 11.One end of vertical pipe 12 is communicated in continuous blowdown pipe 4, the other end then with low temperature comb 18 Connection.Third valve 13 is provided on vertical pipe 12.Drainage arrangement 5 includes outlet pipe 9, and one end of outlet pipe 9 is connected to periodically Blowdown system 1, the other end lead to cooling tank 7.Heat sink 6 includes cooling water pipe 10, one end of cooling water pipe 10 and cooling Water supply (being not drawn into figure) is connected to, and the other end leads to cooling tank 7.Drain valve 14 is provided on low temperature comb 18.Periodically Blowdown main pipe 21 is connect with regular sewage comb 15;Periodical blowdown main pipe 21 is connect with emergency blowoff pipe 16.Periodical blowdown dilatation Gland steam exhauster 17 is provided on device 1.
A kind of operation principle of the embodiment of the utility model:
The continuous blowdown water that boiler 2 is discharged is sent into after throttling in waste heat recovery plant 3 in continuous blowdown pipe 4, useless Boiler replenishing water in heat reclamation device 3 with chemically water tank 22 exchanges heat, and the boiler replenishing water temperature after heat exchange increases, continuously Blowdown coolant-temperature gage reduces, and the raised boiler replenishing water of temperature is sent by water supply pipe 20 in the therrmodynamic system of boiler, what temperature reduced Continuous blowdown water then enters periodical blowdown main pipe 21 by low temperature comb 18, and flowing into periodical blowdown by periodical blowdown main pipe 21 expands Container 1, the dilatation separating treatment for being depressured, being cooled down in regular unloading container 1, through 1 dilatation of regular unloading container point From and the steam that goes out be not recycled, but be expelled directly out by gland steam exhauster 17;The low pressure saturation for detaching and going out through dilatation is useless Hot water is then drained by the outlet pipe 9 of drainage arrangement 5 in cooling tank 7, and the low pressure from regular unloading container 1 is saturated waste heat Water carries out hybrid cooling with the cooling water from heat sink 6 in blowdown cooling tank 7.
When waste heat recovery plant 3 breaks down, the second valve 11 can be closed, third valve 13 is opened, pot will be come from The continuous blowdown water of stove 2 is sent directly by vertical pipe 12 in periodical blowdown main pipe 21, in 3 failure of waste heat recovery plant Also it can guarantee the normal operation of boiler 2.

Claims (8)

1. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat, which is characterized in that expand including periodical blowdown Container (1), boiler (2) and waste heat recovery plant (3), the boiler (2) connect with continuous blowdown pipe (4), continuous blowdown pipe (4) It is connect with waste heat recovery plant (3), the waste heat recovery plant (3) is connected by low temperature comb (18) and periodical blowdown main pipe (21) It connects, periodical blowdown main pipe (21) is connect with regular unloading container (1), and regular unloading container (1) connects with drainage arrangement (5) It connects, the drainage arrangement (5) also connect with cooling tank (7), and the cooling tank (7) connect with heat sink (6), and the waste heat returns Receiving apparatus (3) is connect by oral siphon (19) with chemical water tank (22), and waste heat recovery plant (3) passes through water supply pipe (20) and boiler Therrmodynamic system connection, the regular sewage comb (15) of the boiler (2) and emergency blowoff pipe (16) be all connected to described in determine Phase blowdown main pipe (21).
2. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 1, feature It is, the first valve (8) and the second valve (11), the first valve (8) and the second valve is provided on the continuous blowdown pipe (4) (11) vertical pipe (12) is provided between.
3. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 2, feature It is, one end of the vertical pipe (12) is communicated in continuous blowdown pipe (4), and the other end is then connected to low temperature comb (18).
4. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 3, feature It is, third valve (13) is provided on the vertical pipe (12).
5. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 4, feature It is, the drainage arrangement (5) includes outlet pipe (9).
6. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 5, feature It is, the heat sink (6) includes cooling water pipe (10).
7. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 1, feature It is, drain valve (14) is provided on the low temperature comb (18).
8. a kind of deep exploitation system of distributed busbar protection boiler blowdown water waste heat according to claim 1, feature It is, gland steam exhauster (17) is provided on the regular unloading container (1).
CN201820124126.3U 2018-01-24 2018-01-24 The deep exploitation system of distributed busbar protection boiler blowdown water waste heat Active CN207893739U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820124126.3U CN207893739U (en) 2018-01-24 2018-01-24 The deep exploitation system of distributed busbar protection boiler blowdown water waste heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820124126.3U CN207893739U (en) 2018-01-24 2018-01-24 The deep exploitation system of distributed busbar protection boiler blowdown water waste heat

Publications (1)

Publication Number Publication Date
CN207893739U true CN207893739U (en) 2018-09-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113979582A (en) * 2021-11-01 2022-01-28 青岛海湾化工设计研究院有限公司 Boiler blowdown waste water recovery treatment equipment
CN114001346B (en) * 2021-10-22 2024-06-07 江苏双良锅炉有限公司 Boiler pollution discharge detection system and detection method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114001346B (en) * 2021-10-22 2024-06-07 江苏双良锅炉有限公司 Boiler pollution discharge detection system and detection method thereof
CN113979582A (en) * 2021-11-01 2022-01-28 青岛海湾化工设计研究院有限公司 Boiler blowdown waste water recovery treatment equipment
CN113979582B (en) * 2021-11-01 2024-02-27 青岛海湾化工设计研究院有限公司 Boiler blowdown waste water recovery processing equipment

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