CN208457934U - Slag waste water residual heat recycles energy saver - Google Patents
Slag waste water residual heat recycles energy saver Download PDFInfo
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- CN208457934U CN208457934U CN201820970696.4U CN201820970696U CN208457934U CN 208457934 U CN208457934 U CN 208457934U CN 201820970696 U CN201820970696 U CN 201820970696U CN 208457934 U CN208457934 U CN 208457934U
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Abstract
The utility model relates to a kind of slag waste water residual heats to recycle energy saver, including Multistage settling tank and several set heat exchange units, Multistage settling tank feed end is connected to waste water transfer pipeline, heat exchange unit is to be arranged in parallel, each set wastewater heat exchange device heating agent entrance is connected to side by side with Multistage settling tank discharge end, heating agent outlet is connected to moisturizing preheating heat exchanger heating agent entrance, each set moisturizing preheating heat exchanger refrigerant inlet is connected to water pipe, refrigerant exit is connected to flash tank, the flow channel for liquids to form circulation closure is connected to by circulating pump between each set flash tank and the refrigerant flow path of wastewater heat exchange device, the steam (vapor) outlet of each set flash tank is connected to level-one vapour compression machine, each set flash tank is vacuumized by vacuum pump, each set level-one vapour compression machine and multi-stage vapor compression machine, which are contacted, carries out continuous compression to output steam.The utility model realizes that the high efficiente callback to slag waste water residual heat using the steam of the simultaneously high condition of output, has the characteristics that at low cost, energy saving, emission reduction.
Description
Technical field
The utility model belongs to the technical field of metallurgy industry slag wastewater treatment, more than a kind of slag waste water
Heat recovery energy-saving device.
Background technique
The slag waste water of metallurgy industry factory is primarily present following characteristics: first, the waste water scale of construction is big；Second, contain in waste water
There are the solid wastes such as sludge and slag.
In metallurgy industry, existing slag waste water residual heat recovery method generally uses heat exchanger to add using slag waste water residual heat
Hot clear water, not only heat exchange efficiency is low, can only generally recycle the 7-8% of waste water residual heat energy, wastes a large amount of waste heat, Er Qiexu
A large amount of external source clear water is expended, is unfavorable for reducing production cost.In addition, not easy to handle for solid wastes such as sludge and slags.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of slag waste water residual heats to recycle energy saver, effectively locates
The solid waste in water body is managed, realizes the high efficiente callback to waste water residual heat using the steam of the simultaneously high condition of output.
Technical solution adopted by the utility model to solve its technical problems is provide a kind of slag waste water residual heat recycling section
Energy device, including Multistage settling tank and heat exchange unit, the feed end of the Multistage settling tank is connected to waste water transfer pipeline, described
Heat exchange unit is several sets being arranged in parallel, it is each cover heat exchange unit include wastewater heat exchange device, flash tank, moisturizing preheating heat exchanger and
Level-one vapour compression machine, each heating agent entrance for covering wastewater heat exchange device is connected to side by side with the discharge end of Multistage settling tank, heating agent exports
It is connected to the heating agent entrance of moisturizing preheating heat exchanger, each refrigerant inlet for covering moisturizing preheating heat exchanger is connected to water pipe, is cold
Matchmaker outlet is connected to flash tank, and each cover is connected to form circulation by circulating pump between flash tank and the refrigerant flow path of wastewater heat exchange device
The flow channel for liquids of closure, each steam (vapor) outlet for covering flash tank are connected to level-one vapour compression machine, and each flash tank that covers passes through vacuum pump
It vacuumizes, each level-one vapour compression machine and multi-stage vapor compression machine series winding of covering carries out continuous compression to output steam.
The Multistage settling tank is set as between waste water transfer pipeline and each set heat exchange unit and two sets even.
The flash tank of each set heat exchange unit is vacuumized by shared vacuum pump, each to cover flash tank and vacuum pump
Between be additionally provided with condenser and knockout drum, the vacuum orifice of each set flash tank is entered by the heating agent of pipeline and condenser
The heating agent outlet of mouth connection, the condenser is connected to knockout drum, the vacuum orifice of the vacuum pump and knockout drum
Connection.
The condensate output transistor of the knockout drum is connected to replenisher tank.
The sealed steam supply port and exogenous steam pipeline connection of each set level-one vapour compression machine, each set level-one steam
The sealed steam condensate liquid of compressor is by Pipeline transport into corresponding flash tank.
The sealed steam supply port and exogenous steam pipeline connection of the multi-stage vapor compression machine, the multi-stage vapor compression
The sealed steam condensate liquid of machine is by Pipeline transport into replenisher tank.
The replenisher tank is connect with multi-stage vapor compression machine respectively by steam water supply pipe, corresponding on the steam water supply pipe
Multi-stage vapor compression machine is respectively equipped with pneumatic control valve, and it is full that the steam outlet of the multi-stage vapor compression machine is respectively equipped with steam
With degree on-line detector, corresponding pneumatic control valve connect with vapo(u)rous degree on-line detector and according to the vapo(u)rous of detection
Degree automatically controls the opening and closing of corresponding steam water supply pipe.
Pipeline between the refrigerant exit and corresponding flash tank of each set moisturizing preheating heat exchanger passes through the moisturizing of branch's steam
Pipe is connected with corresponding level-one vapour compression machine, and branch's steam water supply pipe is equipped with pneumatic control valve, the level-one steam
The steam outlet of compressor is equipped with vapo(u)rous degree on-line detector, the pneumatic control valve and vapo(u)rous degree on-line checking
Instrument connection and the opening and closing that branch's steam water supply pipe is automatically controlled according to the vapo(u)rous degree of detection.
The multi-stage vapor compression machine includes several second steam compressors, a three-level vapour compression machine, a level Four
Vapour compression machine and a Pyatyi vapour compression machine, level-one vapour compression machine grouping respectively with second steam compressor simultaneously
Even, all second steam compressors and three-level vapour compression machine and company, the three-level vapour compression machine, level Four vapour compression machine and
Pyatyi vapour compression machine is successively contacted.
Online piping filter is installed on pipeline between the Multistage settling tank and heat exchange unit.
Beneficial effect
First, the characteristics of using flash tank compared with low-temperature evaporation, it can remain and be followed between flash tank and wastewater heat exchange device
The temperature of ring water is relatively low, so as to during being exchanged heat with waste water, improve the heat exchange efficiency of waste water residual heat, from
And improve the utilization efficiency to waste heat in waste water；
Second, waste water successively passes through wastewater heat exchange device and moisturizing preheating heat exchanger carries out secondary heat exchange, sufficiently to waste water
Waste heat is utilized, and the utilization efficiency to waste heat in waste water is further improved；
Third, the steam flashed are delivered to the compression that continuous multi-stage is carried out in vapour compression machine, improve the aobvious of steam
Hot temperature and saturation degree greatly improve the condition of steam, can satisfy the requirement in industrial application to high quality steam, lead to
It crosses and converts steam for the heat sources in waste water and recycle, improve efficiency of energy utilization, be also beneficial to reduce and be produced into
This；
4th, the water body (including condensed water, cooling water, heat exchange waste water etc.) generated in device operational process can be as mending
Water cycling and reutilization, the output of waste, makes full use of resource, advantageously reduces cost when reducing system operation；
5th, it is cover heat exchange unit synchronous operation more, it is strong to the processing capacity of waste water residual heat recycling, it can satisfy metallurgy industry
The big feature of factory's slag waste water scale of construction, while each set heat exchange unit and matched ancillary equipment form shared relationship, are conducive to
Reduce the overall cost of device；
6th, Multistage settling tank can be set to and connect two sets can be avoided by switching use in Multistage settling tank
Device stalls during blowdown, so as to reduce waste of the device enabling to related resource, improves wastewater treatment capacity.
Detailed description of the invention
Fig. 1 is the device flow chart of the utility model.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
A kind of slag waste water residual heat as shown in Figure 1 recycles energy saver, including two sets of second level settling tanks, six sets of heat exchange lists
Member, three second steam compressors, a three-level vapour compression machine, a level Four vapour compression machine, a Pyatyi both vapor compression
Machine, condenser, knockout drum, vacuum pump and replenisher tank.
Two sets of second level settling tanks are set side by side, and the feed end of second level settling tank is connected to waste water transfer pipeline respectively, pass through
Second level sedimentation can by waste water sludge and the solid wastes such as slag remove.Second level settling tank be set as and connect two sets, pass through
Switching uses, and can be avoided device during Multistage settling tank blowdown and stalls.
Six sets of heat exchange units are set side by side, the compression processing of the synchronous heat exchange for carrying out waste water residual heat and steam, second level sedimentation
Online piping filter is installed on the pipeline between tank and heat exchange unit.Each set heat exchange unit includes wastewater heat exchange device, dodges
Steaming pot, moisturizing preheating heat exchanger and level-one vapour compression machine.In each set heat exchange unit: the heating agent entrance of wastewater heat exchange device and two
Discharge end connection, the heating agent outlet of grade settling tank are connected to the heating agent entrance of moisturizing preheating heat exchanger, moisturizing preheating heat exchanger
Refrigerant inlet is connected to water pipe, refrigerant exit is connected to flash tank, and moisturizing preheating heat exchanger heating agent outlet output is through twice
The waste water of heat exchange is connected to the liquid flow to form circulation closure by circulating pump between flash tank and the refrigerant flow path of wastewater heat exchange device
The steam (vapor) outlet in road, flash tank is connected to level-one vapour compression machine.
Each set flash tank is vacuumized by shared vacuum pump, and it is gentle to be equipped with condenser between each set flash tank and vacuum pump
Liquid knockout drum, each vacuum orifice for covering flash tank are connected by the heating agent entrance of pipeline and condenser, the heating agent outlet of condenser
It is connected to knockout drum, the vacuum orifice connection of vacuum pump and knockout drum.The condensate output transistor of knockout drum with
Replenisher tank is connected to, and is equipped with condensate pump on condensate output transistor, the condensation that will be separated in knockout drum by condensate pump
Water, which is pumped into replenisher tank, carries out cycling and reutilization.
Level-one vapour compression machine is connect with three second steam compressors respectively in pairs, three second steam compressors
It is connect with three-level vapour compression machine, three-level vapour compression machine, level Four vapour compression machine and Pyatyi vapour compression machine are successively contacted.From
The steam of level-one vapour compression machine output successively passes through second steam compressor, three-level vapour compression machine, level Four vapour compression machine
Multi-stage compression is carried out with Pyatyi vapour compression machine, the steam of high condition can be obtained, can satisfy in industrial application to high quality
The requirement of steam.
The sealed steam supply port and exogenous steam pipeline connection of each set level-one vapour compression machine, it is each to cover level-one both vapor compression
The sealed steam condensate liquid of machine is by Pipeline transport into corresponding flash tank.Two to Pyatyi vapour compression machine sealed steam mend
It fills mouth and is also communicated to exogenous steam pipeline, the sealed steam condensate liquid of generation, into replenisher tank, is able to carry out by Pipeline transport
Cycling and reutilization.
Pipeline between the refrigerant exit and corresponding flash tank of each set moisturizing preheating heat exchanger passes through the moisturizing of branch's steam
Pipe is connected with corresponding level-one vapour compression machine, and branch's steam water supply pipe is equipped with pneumatic control valve, level-one vapour compression machine
Steam outlet is equipped with vapo(u)rous degree on-line detector, and pneumatic control valve is connect with vapo(u)rous degree on-line detector and basis
The vapo(u)rous degree of detection automatically controls the opening and closing of branch's steam water supply pipe.Replenisher tank is by steam water supply pipe respectively with two to five
Grade vapour compression machine connects, and corresponds to vapour compression machines at different levels on steam water supply pipe and is respectively equipped with pneumatic control valve, vapour pressures at different levels
The steam outlet of contracting machine is respectively equipped with vapo(u)rous degree on-line detector, and corresponding pneumatic control valve and vapo(u)rous degree are online
Detector connects and automatically controls the opening and closing of corresponding steam water supply pipe according to the vapo(u)rous degree of detection.By to both vapor compression
Machine moisturizing can be improved vapo(u)rous degree, and the high-temperature steam of final output saturation.
Slag waste water residual heat recycling energy saver can not only realize the high efficiente callback to slag waste water residual heat using simultaneously
The steam of the high condition of output has the characteristics that at low cost, energy saving, emission reduction for industrial utilization.
Claims (10)
1. a kind of slag waste water residual heat recycles energy saver, including Multistage settling tank and heat exchange unit, it is characterised in that: described more
The feed end of grade settling tank is connected to waste water transfer pipeline, and the heat exchange unit is several sets being arranged in parallel, and each set heat exchange is single
Member includes wastewater heat exchange device, flash tank, moisturizing preheating heat exchanger and level-one vapour compression machine, and each heating agent for covering wastewater heat exchange device enters
Mouth is connected to side by side with the discharge end of Multistage settling tank, heating agent outlet is connected to the heating agent entrance of moisturizing preheating heat exchanger, and each set is mended
The refrigerant inlet of water preheating heat exchanger is connected to water pipe, refrigerant exit is connected to flash tank, and each flash tank that covers is changed with waste water
The flow channel for liquids to form circulation closure is connected between the refrigerant flow path of hot device by circulating pump, the steam of each set flash tank goes out
Mouthful be connected to level-one vapour compression machine, each set flash tank is vacuumized by vacuum pump, each set level-one vapour compression machine with it is more
Grade vapour compression machine series winding carries out continuous compression to output steam.
2. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: the Multistage settling
Tank is set as between waste water transfer pipeline and each set heat exchange unit and two sets even.
3. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: each set heat exchange
The flash tank of unit is vacuumized by shared vacuum pump, and it is gentle to be additionally provided with condenser between each set flash tank and vacuum pump
The vacuum orifice of liquid knockout drum, each set flash tank is connected by the heating agent entrance of pipeline and condenser, the condenser
Heating agent outlet is connected to knockout drum, the vacuum orifice connection of the vacuum pump and knockout drum.
4. a kind of slag waste water residual heat according to claim 3 recycles energy saver, it is characterised in that: the gas-liquid separation
The condensate output transistor of tank is connected to replenisher tank.
5. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: each set level-one steam
The sealed steam of the sealed steam supply port and exogenous steam pipeline connection of compressor, each set level-one vapour compression machine condenses
Liquid is by Pipeline transport into corresponding flash tank.
6. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: the multistage steam
The sealed steam condensate liquid of the sealed steam supply port and exogenous steam pipeline connection of compressor, the multi-stage vapor compression machine is logical
Pipeline transport is crossed into replenisher tank.
7. a kind of slag waste water residual heat according to claim 6 recycles energy saver, it is characterised in that: the replenisher tank is logical
It crosses steam water supply pipe to connect with multi-stage vapor compression machine respectively, corresponds to multi-stage vapor compression machine on the steam water supply pipe and set respectively
There is pneumatic control valve, the steam outlet of the multi-stage vapor compression machine is respectively equipped with vapo(u)rous degree on-line detector, accordingly
Pneumatic control valve and vapo(u)rous degree on-line detector connect and according to the corresponding steaming of the vapo(u)rous degree of detection automatics control
The opening and closing of hot repair water pipe.
8. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: each set moisturizing preheating
Pipeline between the refrigerant exit of heat exchanger and corresponding flash tank passes through branch's steam water supply pipe and corresponding level-one vapour pressure
The connection of contracting machine, branch's steam water supply pipe are equipped with pneumatic control valve, and the steam outlet of the level-one vapour compression machine is set
There is vapo(u)rous degree on-line detector, the pneumatic control valve connect with vapo(u)rous degree on-line detector and according to the steaming of detection
The opening and closing of vapour saturation degree automatic control branch's steam water supply pipe.
9. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: the multistage steam
Compressor includes several second steam compressors, a three-level vapour compression machine, a level Four vapour compression machine and a Pyatyi
Vapour compression machine, level-one vapour compression machine grouping respectively with second steam compressor and company, all second steam compressors
With three-level vapour compression machine and company, the three-level vapour compression machine, level Four vapour compression machine and Pyatyi vapour compression machine are successively gone here and there
Even.
10. a kind of slag waste water residual heat according to claim 1 recycles energy saver, it is characterised in that: described multistage heavy
Online piping filter is installed on pipeline between drop tank and heat exchange unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970696.4U CN208457934U (en) | 2018-06-22 | 2018-06-22 | Slag waste water residual heat recycles energy saver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970696.4U CN208457934U (en) | 2018-06-22 | 2018-06-22 | Slag waste water residual heat recycles energy saver |
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| CN208457934U true CN208457934U (en) | 2019-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775570A (en) * | 2018-06-22 | 2018-11-09 | 上海帝广机电工程技术有限公司 | Slag waste water residual heat recycles energy saver |
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2018
- 2018-06-22 CN CN201820970696.4U patent/CN208457934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775570A (en) * | 2018-06-22 | 2018-11-09 | 上海帝广机电工程技术有限公司 | Slag waste water residual heat recycles energy saver |
| CN108775570B (en) * | 2018-06-22 | 2024-04-30 | 上海帝广机电工程技术有限公司 | Slag waste water waste heat recovery energy-saving device |
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