CN206019055U - A kind of cyclic ammonia water waste heat recovery unit - Google Patents
A kind of cyclic ammonia water waste heat recovery unit Download PDFInfo
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- CN206019055U CN206019055U CN201620847282.3U CN201620847282U CN206019055U CN 206019055 U CN206019055 U CN 206019055U CN 201620847282 U CN201620847282 U CN 201620847282U CN 206019055 U CN206019055 U CN 206019055U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
This utility model belongs to technical field of exhaust heat recovery equipment, propose a kind of cyclic ammonia water waste heat recovery unit, including lithium bromide absorption-type machine unit, heat exchanger and control device, ammonia circulation main pipeline is provided with tie point and the second branch road, flow regulating equipment is respectively arranged with tie point and the second branch road, flow regulating equipment is electrically connected with control device, tie point connects unit hot water line's import, second branch road connects heat exchanger the first pipeline import, and unit hot water line outlet and the first tube outlet of heat exchanger are connected with ammonia circulation main pipeline respectively；Under cooling condition, unit cold water pipeline is connected with outer cold water pipe road；Outside cooling water pipeline connects the second pipeline of unit cooling water pipeline and heat exchanger；Under heat pump working condition, unit cold water pipeline and primary cooler cooling circulating water pipeline communication, heating hot water pipeline connection the second pipeline of unit cooling water pipeline and heat exchanger.This utility model can realize the effectively utilizes of cyclic ammonia water waste heat, energy-saving and emission-reduction.
Description
Technical field
This utility model belongs to technical field of exhaust heat recovery equipment, more particularly to a kind of heat exchange of cyclic ammonia water waste heat recovery
Unit.
Background technology
Coking of coal with coal as raw material, completely cuts off under air conditionses in coke oven, is heated to 950 DEG C also known as coal high-temperature retorting
Left and right, produces coke through high-temperature retorting, while obtaining coal gas, coal tar and reclaiming a kind of coal conversion work of other chemical products
Skill.Raw gas temperature from carbonization chamber derivation, has up to 650～700 DEG C for preventing the chemical productss in raw coke oven gas from cracking
Beneficial to the chemical productss reclaimed in raw coke oven gas, mitigate the blocking and corrosion of recovery process pipeline and equipment, reduce the negative of aerator
Lotus and energy expenditure, safely and reasonably convey coal gas, and coal gas need to finally be cooled to 21 DEG C or so, and current cooling technique is mainly
Sprayed in bridge tube and discharge using cyclic ammonia water, gas temperature is dropped to 83 DEG C or so, then entering back into primary cooler is carried out
Cooling.Gas temperature accounts for the 36% of coke oven heat from 700 DEG C of heats for being reduced to 21 DEG C, and the cyclic ammonia water for wherein spraying absorbs
Most of heat, temperature rise to 83 DEG C or so, enter mechanical settling tank cooling simultaneously and tar separation, and temperature is down to 73 DEG C of left sides
The right side, is then sprayed by cyclic ammonia water pump circulation, and in the technique, cyclic ammonia water sensible heat main environment is distributed, and is not utilized, and
Winter needs to heat, and summer primary cooler needs substantial amounts of 16 DEG C of cold water, if it is possible to effectively utilizes cyclic ammonia water waste heat summer system
Cold heat supply in winter, can bring huge economic benefit for coke-oven plant, while realizing energy-saving and emission-reduction.
Content of the invention
For solving problem above, this utility model provides a kind of suction-type lithium bromide heat exchanger of cyclic ammonia water waste heat recovery
Group, the unit can reclaim cyclic ammonia water waste heat in summer and produce 16 DEG C of cold water, and winter reclaims cyclic ammonia water residual heat heating, realizes following
The effectively utilizes of ring ammonia waste heat, while coke-stove gas cooling technique can also be improved, improve yield, energy-saving and emission-reduction.
The technical scheme adopted for achieving the above object by this utility model is：Propose a kind of cyclic ammonia water machine waste heat recovery
Group, including lithium bromide absorption-type machine unit, heat exchanger and control device, lithium bromide absorption-type machine unit includes generator, condenser, suction
Device and vaporizer is received, and unit hot water line is provided with generator, unit cold water pipeline, condenser and suction is provided with vaporizer
Receive in device and be arranged in series unit cooling water pipeline, heat exchanger is internally provided with the first pipeline and the second pipeline, ammonia circulation master
Pipeline is provided with tie point and the second branch road, is respectively arranged with flow regulating equipment, flow on tie point and the second branch road
Adjustment equipment is electrically connected with control device, and tie point connects unit hot water line's import, and the second branch road connects the first pipeline
Import, unit hot water line outlet and the first tube outlet are connected with ammonia circulation main pipeline respectively；Under cooling condition, unit is cold
Water lines are connected with outer cold water pipe road；Outside cooling water pipeline connection unit cooling water pipeline and the second pipeline；Heat pump working condition
Under, unit cold water pipeline and primary cooler cooling circulating water pipeline communication, heating hot water pipeline connection unit cooling water pipeline and the
Two pipelines.
The outside cooling water pipeline or heating hot water pipeline using parallel way connect respectively unit cooling water pipeline and
Second pipeline.
The outside cooling water pipeline or heating hot water pipeline using series system be sequentially connected unit cooling water pipeline and
Second pipeline.
The material corroded using resistance to cyclic ammonia water inside the generator and heat exchanger.
The lithium bromide absorption-type machine unit is with heat exchanger using integral structure or split-type structural.
The beneficial effects of the utility model are as follows：
1st, realize that the recovery of cyclic ammonia water waste heat, refrigeration meet process requirements, heat and meet heating demands；
2nd, reduce cyclic ammonia water spray temperature, improve the heat that cyclic ammonia water absorbs high temperature crude-gas sensible heat；
3rd, reduce raw gas temperature before primary cooler, mitigate primary cooler cooling load；
4th, improve cold-blast machine operating condition；
5th, increase the yield of chemical products.
Description of the drawings
Fig. 1 is the first cyclic ammonia water waste heat recovery heat-exchange unit flow chart of the present utility model；
Fig. 2 is second cyclic ammonia water waste heat recovery heat-exchange unit flow chart of the present utility model；
In figure：1- lithium bromide absorption-type machine units；11- generators；12- unit hot water lines, 13- condensers；14- absorbs
Device, 15- unit cooling water pipelines；16- vaporizers, 17- unit cold water pipelines；2- heat exchangers, the first pipelines of 21-, 22- second pipes
Road；3- cyclic ammonia water main pipelines, 31- tie points, the second branch roads of 32-；Cooling water pipeline or heating hot water pipeline, 5- outside 4-
Outer cold water pipe road or primary cooler cooling circulating water pipeline, 6- valves.
Specific embodiment
Describe in detail with reference to the first utility model and accompanying drawing, but this utility model is not limited to be embodied as
Example.
Embodiment 1:
As shown in figure 1, a kind of cyclic ammonia water waste heat recovery heat-exchange unit, including lithium bromide absorption type cooling and heating Double-working-condition unit
1st, heat exchanger 2 and connecting line, lithium bromide absorption type cooling and heating Double-working-condition unit include generator 11, condenser 13, absorber 14
With vaporizer 16, inside which, annexation is connected with condenser 13 for generator 11, and absorber 14 is connected with vaporizer 16；Wherein
Absorber 14, generator 11 are circulated for lithium-bromide solution, i.e., the lithium bromide weak solution from absorber 14 out passes through pump and pipeline
Enter generator 11 and be changed into lithium bromide concentrated solution, return absorber 14；Condenser 13, vaporizer 16 are followed for cold-producing medium water
Ring, enters vaporizer 16 from the water as refrigerant out of condenser 13 through throttling arrangement.
Wherein, unit hot water line 12 is provided with generator 11, arranged by unit cold water pipeline 17 in vaporizer 16, cold
Unit cooling water pipeline 15 has been arranged in series in condenser 13 and absorber 14, and heat exchanger 2 is internally provided with the first pipeline 21 and
Two pipelines 22, ammonia circulation main pipeline 3 are provided with tie point 31 and the second branch road 32, in tie point 31 and the second branch road 32
Valve 6 is respectively arranged with, valve 6 is connected with control device, 12 import of the connection unit of tie point 31 hot water line, the second branch road
32 connection 21 imports of the first pipeline, unit hot water line 12 exports and the first pipeline 21 export respectively with ammonia circulation main pipeline 3
Connection；Under cooling condition or heat pump working condition, unit cold water pipeline 17 and outer cold water pipe road or primary cooler cooling circulating water pipeline 5
Connection；Outside cooling water pipeline or heating hot water pipeline 4 connect unit cooling water pipeline 15 and second respectively using parallel way
Pipeline 22.
The unit can realize that by switching operation mode whole year is reclaimed to cyclic ammonia water waste heat, and there is refrigeration summer
The season of demand carries out cooling condition operating, and cyclic ammonia water drives the waste heat recovery unit unit, from vaporizer produce 16 DEG C cold
Water meets the cooling of primary cooler coal gas and uses；Winter carries out heat pump working condition operating and drives the waste heat recovery unit using cyclic ammonia water, steams
Send out device and reclaim sub-cooled circulating water afterheat in primary cooler, heat is produced from absorber, condenser, as heating.In system
Heat exchanger 2 is set and mainly meets cyclic ammonia water waste heat and refrigeration or the balance of heating demands, situation, is filled by control according to demand
Put and flow-control of the flow regulating equipment realization to tie point and the second branch road cyclic ammonia water, cyclic ammonia water all can be passed through
Generator, also can all be passed through heat exchanger, also can a part be passed through generator, another part and be passed through heat exchanger.The heat-exchange unit
Interior generator, heat exchanger material and processing mode using the corrosion of resistance to cyclic ammonia water.
Generator is passed through with a cyclic ammonia water part, as a example by another part is passed through heat exchanger, unit in summer running is：
Cyclic ammonia water is partly into generator 11 as the lithium-bromide solution in driving heat source heating generator, lithium-bromide solution concentration
Thicken, vapor evaporates into condenser 13, in condenser 13, the cooled water cooling of refrigerant vapor is changed into water as refrigerant, water as refrigerant
Vaporizer 16 is entered through throttling arrangement, the heat of water produces 16 DEG C of cold water in cryogen water evaporation absorption tube in vaporizer 16, made
For primary cooler coal gas cooling use, in vaporizer 16 evaporate refrigerant vapor enter absorber 14 in, in absorber 14 by from
The lithium bromide concentrated solution of generator absorbs, and lithium-bromide solution concentration is thinning, while rejecting heat to cooling water；Another part is followed
Ring ammonia enters heat exchanger 2, and in heat exchanger 2, cyclic ammonia water is exchanged heat with cooling water；So cyclic ammonia water is through generator, heat exchanger
Waste heat recovery is realized, 16 DEG C of cold water is produced and is met process requirements, while realizing cyclic ammonia water waste heat recovery.Unit winter operation mistake
Cheng Wei：Cyclic ammonia water is partly into generator 11 as the lithium-bromide solution in driving heat source heating generator, and lithium bromide is molten
Liquid concentration thickens, and vapor evaporates into condenser 13, in condenser 13 refrigerant vapor heated hot water cooling be changed into cryogen
Water, water as refrigerant enter vaporizer 16 through throttling arrangement, from primary cooler stage casing in cryogen water evaporation absorption tube in vaporizer 16
The heat of cooling circulating water, the refrigerant vapor that evaporates in vaporizer 16 are entered in absorber 14, are come spontaneous in absorber 14
The lithium bromide concentrated solution of raw device absorbs, and lithium-bromide solution concentration is thinning, while rejecting heat to the hot water that heats；Another part is followed
Ring ammonia enters heat exchanger 2, cyclic ammonia water and heating hot water heat exchange in heat exchanger 2；So cyclic ammonia water is through generator, heat exchange
Device realizes that waste heat recovery, hot water preparing meet heating demands, while realizing cyclic ammonia water waste heat recovery.
Embodiment 2:
Second cyclic ammonia water waste heat recovery heat-exchange unit flow process of the present utility model is as shown in Fig. 2 the present embodiment and reality
The main difference for applying example 1 is that entrance lithium bromide absorption-type machine unit is different with the cooling water of heat exchanger or heating hot water mode,
The first utility model is parallel way, and second utility model is series system.In the present embodiment outside cooling water pipeline or
Heating hot water pipeline 4 is sequentially connected the second pipeline 22 of unit cooling water pipeline 15 and heat exchanger using series system.
Claims (5)
1. a kind of cyclic ammonia water waste heat recovery unit, including lithium bromide absorption-type machine unit, heat exchanger and control device, lithium bromide is inhaled
Receipts formula unit includes generator, condenser, absorber and vaporizer, is provided with unit hot water line, in vaporizer in generator
Unit cold water pipeline is provided with, unit cooling water pipeline in condenser and absorber, has been arranged in series, heat exchanger is internally provided with
First pipeline and the second pipeline, it is characterised in that：Ammonia circulation main pipeline is provided with tie point and the second branch road, tie point
And second be respectively arranged with flow regulating equipment on branch road, flow regulating equipment is electrically connected with control device, and tie point connects
Pick group hot water line's import, and the second branch road connects the first pipeline import, unit hot water line outlet and the first tube outlet point
It is not connected with ammonia circulation main pipeline；Under cooling condition, unit cold water pipeline is connected with outer cold water pipe road；Outside cooling water pipe
Road connection unit cooling water pipeline and the second pipeline；Under heat pump working condition, unit cold water pipeline and primary cooler cooling circulating water pipeline
Connection, heating hot water pipeline connection unit cooling water pipeline and the second pipeline.
2. cyclic ammonia water waste heat recovery unit according to claim 1, it is characterised in that：The outside cooling water pipeline or
Heating hot water pipeline connects unit cooling water pipeline and the second pipeline respectively using parallel way.
3. cyclic ammonia water waste heat recovery unit according to claim 1, it is characterised in that：The outside cooling water pipeline or
Heating hot water pipeline is sequentially connected unit cooling water pipeline and the second pipeline using series system.
4. according to the arbitrary described cyclic ammonia water waste heat recovery unit of claim 1-3, it is characterised in that：The generator and change
The carft of construction corroded using resistance to cyclic ammonia water inside hot device.
5. according to the arbitrary described cyclic ammonia water waste heat recovery unit of claim 1-3, it is characterised in that：The lithium bromide absorption
Formula unit is with heat exchanger using integral structure or split-type structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847282.3U CN206019055U (en) | 2016-08-08 | 2016-08-08 | A kind of cyclic ammonia water waste heat recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847282.3U CN206019055U (en) | 2016-08-08 | 2016-08-08 | A kind of cyclic ammonia water waste heat recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019055U true CN206019055U (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620847282.3U Active CN206019055U (en) | 2016-08-08 | 2016-08-08 | A kind of cyclic ammonia water waste heat recovery unit |
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| CN (1) | CN206019055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081636A (en) * | 2019-04-19 | 2019-08-02 | 东南大学 | A kind of solution chiasma type ammonium hydroxide absorbs, reabsorbs formula heat pump system |
-
2016
- 2016-08-08 CN CN201620847282.3U patent/CN206019055U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081636A (en) * | 2019-04-19 | 2019-08-02 | 东南大学 | A kind of solution chiasma type ammonium hydroxide absorbs, reabsorbs formula heat pump system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |