CN105217632B - Calcium carbide sensible heat recovery system - Google Patents
Calcium carbide sensible heat recovery system Download PDFInfo
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- CN105217632B CN105217632B CN201510595654.8A CN201510595654A CN105217632B CN 105217632 B CN105217632 B CN 105217632B CN 201510595654 A CN201510595654 A CN 201510595654A CN 105217632 B CN105217632 B CN 105217632B
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- calcium carbide
- heat recovery
- cooling
- scull
- roll
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention discloses a kind of calcium carbide sensible heat recovery system, including roller-way, quickly cooling scull device, roll-type tunnel cave and waste heat recovery apparatus, wherein, quickly cooling scull device is installed on roller-way, quickly cooling scull device is cooled down by cooling water, roll-type tunnel cave is arranged on roller-way, circulating fan is installed air-cooled to be circulated to calcium carbide in roll-type tunnel cave, waste heat recovery apparatus is connected to carry out waste heat recovery with roll-type tunnel cave by pipeline, high-temperature liquid state calcium carbide is injected by tank body to be cooled down for the first time in quickly cooling scull device, roller-way transports quickly cooling scull device into roll-type tunnel cave further to be cooled down to calcium carbide.Calcium carbide sensible heat recovery system proposed by the present invention, independent of come out of the stove track and air cooling across a large amount of workshop areas need to be taken by overcoming traditional cooling procedure, delay the drawbacks such as rhythm of production.
Description
Technical field
Technical field of auxiliary equipment, more particularly to a kind of calcium carbide sensible heat recovery system are produced the present invention relates to calcium carbide.
Background technology
Calcium carbide is as the important source material in PVC preparation process, and its preparation process develops via extensive family workshop type
For fine automated production pattern.Now, total closed type furnace of calcium carbide production gradually replaces open and internal combustion type producer
Formula, type of furnace transformer also develops into 81 MVA from 300 kVA.Maximization further speeds up the concentration degree of industry, also promotes calcium carbide
Stove entirety equipment technology constantly advances.But because calcium carbide production process needs to consume the lime and coke of a large amount of normal temperature, companion
With chemical reaction heat absorption, electric furnace smelting certainly will cause power consumption big, the pollution drawback such as again.Work as energy-conserving and environment-protective requirement is strict all the more
Under, the environment-friendly degree of furnace of calcium carbide equipment how is lifted, is a direction for being worth constantly exploring.
In traditional calcium carbide production process, every 1 h goes out a calcium carbide.High-temperature liquid state calcium carbide is poured into calcium carbide pot by plug for outlet,
Under the traction of carbide pushcarts, it is transported to along track after cooled region natural air cooling, 3 ~ 4 h of cooling, crane will crust high temperature calcium carbide
Calcium carbide pot is hung, air cooling zone is transported to and continues to cool down 24 ~ 36 h.Track cooling procedure needs to take plenty of time and space, causes
Going out furnace system needs at least to arrange two across being covered with calcium carbide pot on row, track, and plant area can not be utilized effectively, once throw
Money is huge, and rhythm of production also can not be lifted further.Meanwhile, under such operator scheme, it is impossible to acetylene stones sensible heat is done into
One step is utilized, and energy dissipation is obvious.
The content of the invention
It is a primary object of the present invention to provide a kind of calcium carbide sensible heat recovery system, it is intended to avoid taking plenty of time and sky
Between in the case of acetylene stones sensible heat is reclaimed.
To achieve the above object, the present invention provides a kind of calcium carbide sensible heat recovery system, including roller-way, quickly cooling scull device, roller
Formula tunnel cave and waste heat recovery apparatus, wherein,
The quickly cooling scull device is installed on roller-way, and the quickly cooling scull device is cooled down by cooling water, the roll-type
Tunnel cave is arranged on roller-way, and it is air-cooled to be circulated to calcium carbide to be provided with circulating fan in the roll-type tunnel cave, described remaining
Heat recovery equipment is connected with roll-type tunnel cave by pipeline to carry out waste heat recovery, and high-temperature liquid state calcium carbide injects the speed by tank body
Cooled down for the first time in condensation shell device, the roller-way transports quickly cooling scull device into roll-type tunnel cave to enter calcium carbide traveling one
Step cooling.
Preferably, the early stage that the waste heat recovery apparatus is included in waste heat boiler and drying kiln, the roll-type tunnel cave is high
Wet body is passed through in the waste heat boiler and generated electricity, and cryogenic gas is passed through drying kiln drying in the later stage.
Preferably, the quickly cooling scull device include base and the upper frame above the base, wherein, it is described on
Portion's framework is formed with multiple grooves for being used to accommodate calcium carbide, and the bottom of the groove is sealed by the base, the top
Framework is provided with the cooling water pipeline and the cooling water inlet connected with the cooling water pipeline and cooling water for being used for accommodating cooling water
Outlet, the base is provided with the water inlet pipe and outlet pipe for being used for accommodating the aqua storage tank of cooling water and connected with the aqua storage tank, institute
State cooling water pipeline to be circular layout on the side wall of the upper frame, the cooling water pipeline is multiple described cold provided with multiple
But it is independently arranged between waterpipe, each cooling water pipeline is correspondingly arranged a cooling water inlet and coolant outlet.
Preferably, the base and upper frame are to be detachably connected.
Preferably, the upper frame material is stainless steel, and the wall thickness of the madial wall of the upper frame is 200 ~ 400
Mm, the width of the groove is 200 ~ 600 mm.
Preferably, the quantity of the groove is 4 ~ 16.
Preferably, the base material is stainless steel, and the base is cuboid, and its length is 4.0 ~ 8.0 m, and width is
2.0 m ~ 4.0 m, the mm of thickness 200 ~ 400.
Preferably, the water inlet pipe and outlet pipe be provided with it is multiple, the base be homonymy water inlet, offside water outlet mould
Formula, the upper frame is homonymy water inlet, homonymy water exit mode.
Calcium carbide sensible heat recovery system proposed by the present invention, calcium carbide is tentatively cooled down, congealed into shell by quickly cooling scull device
The high temperature calcium carbide of shape is supported without calcium carbide pot, and calcium carbide is entered kiln and directly changed with gas by quickly cooling scull device under roller-way conveying effect
Heat, high-temperature gas is sent directly into Waste Heat Generation, and cryogenic gas send limekiln to dry, and heat utilization efficiency is high.In addition, the system cloth
Put in calcium carbide production side, independent of come out of the stove track and air cooling across a large amount of workshop faces need to be taken by overcoming traditional cooling procedure
Product, delays the drawbacks such as rhythm of production.In addition, by rationally setting the cooling water flow of quickly cooling scull device and the work(of circulating fan
Rate, can within a cycle of coming out of the stove cooling down high-temperature liquid calcium carbide, for reduction once invest, accelerate rhythm of production, lifting production
The market competitiveness of product has particularly important meaning.
Brief description of the drawings
Fig. 1 is the structural representation of calcium carbide sensible heat recovery system preferred embodiment of the present invention.
In figure, 1- furnaces of calcium carbide, 2- plug for outlet, 3- tank bodies, 4- quickly cooling scull devices, 5- roller-ways, 6- roll-type tunnel caves, 7- waste heats
Boiler, 8- drying kilns, 9- circulating fans, 10- trucies.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the limit of the present invention
System.
Reference picture 1, Fig. 1 is the structural representation of calcium carbide sensible heat recovery system preferred embodiment of the present invention.
In this preferred embodiment, a kind of calcium carbide sensible heat recovery system, including roller-way 5, quickly cooling scull device 4, roll-type tunnel cave 6
And waste heat recovery apparatus, wherein,
Quickly cooling scull device 4 is installed on roller-way 5, and quickly cooling scull device 4 is cooled down by cooling water, the cloth of roll-type tunnel cave 6
It is placed on roller-way 5, it is air-cooled to be circulated to calcium carbide to be provided with circulating fan 9 in roll-type tunnel cave 6, waste heat recovery apparatus and roller
Formula tunnel cave 6 connects to carry out waste heat recovery by pipeline（Cooling wind after heat exchanging is absorbed heat）, high-temperature liquid state calcium carbide by
Cooled down for the first time in the injection quickly cooling scull of tank body 3 device 4, roller-way 5 transports quickly cooling scull device 4 into roll-type tunnel cave 6 with right
Calcium carbide is further cooled down.Calcium carbide after cooling can be transported by truck 10.
Whole calcium carbide sensible heat recovery system is arranged in calcium carbide production side, independent of come out of the stove track and cooling across.
The operation principle of this calcium carbide sensible heat recovery system is as follows：First, high-temperature liquid state calcium carbide by furnace of calcium carbide 1 plug for outlet 2
Injection is built in the tank body 3 of resistance to material, and tank body 3, which again injects high-temperature liquid state calcium carbide, carries out quickly cooling scull in quickly cooling scull device 4, so
Afterwards, roller-way 5 transports quickly cooling scull device 4 to roll-type tunnel cave 6, and the work of circulating fan 9 is circulated air-cooled so as to calcium carbide
Further cooling, roller-way 5 finally, calcium carbide is transported by truck 10 by outside the sack for transporting calcium carbide after cooling to roll-type tunnel cave 6.
Specifically, waste heat recovery apparatus includes the early stage high-temperature gas in waste heat boiler 7 and drying kiln 8, roll-type tunnel cave 6
（400 DEG C of high temperature above）It is passed through in waste heat boiler 7 and generates electricity, cryogenic gas in the later stage（400 DEG C to 150 DEG C）It is passed through drying kiln 8 dry
It is dry.
Quickly cooling scull device 4 includes base and the upper frame above the base, wherein, upper frame is formed with many
The individual groove for being used to accommodate calcium carbide, the bottom of the groove is sealed by base, and upper frame, which is provided with, to be used to accommodate cooling water
Cooling water pipeline and the cooling water inlet connected with the cooling water pipeline and coolant outlet, base be provided be used for accommodate it is cold
But the aqua storage tank of water and the water inlet pipe and outlet pipe that are connected with the aqua storage tank, cooling water pipeline are circular layout in upper frame
On the wall of side, cooling water pipeline is independently arranged, each cooling water pipeline is correspondingly arranged one provided with multiple between multiple cooling water pipelines
Cooling water inlet and coolant outlet.
It is to take out the calcium carbide after cooling for convenience that base and upper frame are set to be detachably connected, so.Base and
Upper frame is sealed by gravity, during cooling, only with upper frame is sling, takes out the calcium carbide stayed on base.
Upper frame material is stainless steel, and the wall thickness of the madial wall of upper frame is 200 ~ 400 mm, and the width of groove is
200~600 mm.The quantity of groove is 4 ~ 16.Base material is stainless steel（Can also be copper, to improve cooldown rate）, base
For cuboid, its length is 4.0 ~ 8.0 m, and width is 2.0 m ~ 4.0 m, the mm of thickness 200 ~ 400.Water inlet pipe and outlet pipe are equal
Be provided with it is multiple, base be homonymy water inlet, offside water exit mode, upper frame be homonymy water inlet, homonymy water exit mode.
The calcium carbide sensible heat recovery system that the present embodiment is proposed, calcium carbide is tentatively cooled down, congealed into by quickly cooling scull device 4
The high temperature calcium carbide of shelly is supported without calcium carbide pot, and that calcium carbide is entered into kiln is direct with gas for quickly cooling scull device 4 under the conveying of roller-way 5 effect
Heat exchange, high-temperature gas is sent directly into waste heat boiler 7 and generated electricity, and cryogenic gas send limekiln to dry, and heat utilization efficiency is high.In addition, this is
System is arranged in calcium carbide production side, independent of come out of the stove track and air cooling across a large amount of production cars need to be taken by overcoming traditional cooling procedure
Between area, delay the drawbacks such as rhythm of production.In addition, cooling water flow and circulating fan 9 by rationally setting quickly cooling scull device 4
Power, can within a cycle of coming out of the stove cooling down high-temperature liquid calcium carbide, for reduction once invest, accelerate rhythm of production, carry
Rising the competitiveness of product in market has particularly important meaning.
By taking actual 2 × 45 the MVA investment of the calcium carbide workshop of furnace of calcium carbide 1 and production as an example.System is not reclaimed using acetylene stones sensible heat
System, it is necessary to two coolings are across, 96 calcium carbide pots and supporting carbide pushcarts, calcium carbide track and several standby pots and dolly,
Once make an investment in 20,000,000 or so.And use after calcium carbide sensible heat recovery system, using building the tank body 3 of resistance to material by laying bricks or stones by high-temperature liquid state
Calcium carbide injection quickly cooling scull device 4, the calcium carbide of solidification crust is further cooled down by roll-type tunnel cave 6, reclaims heat reachable
It is more than 100 kWh/t calcium carbides.
In summary, the inventive method is once invested to reduction, is improved working condition and is improved the competitiveness of product in market
With particularly important meaning.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical fields are directly or indirectly used in,
Similarly it is included within the scope of the present invention.
Claims (7)
1. a kind of calcium carbide sensible heat recovery system, it is characterised in that including roller-way, quickly cooling scull device, roll-type tunnel cave and waste heat
Reclaimer, wherein,
The quickly cooling scull device is installed on roller-way, and the quickly cooling scull device is cooled down by cooling water, the roll-type tunnel
Kiln is arranged on roller-way, and it is air-cooled to be circulated to calcium carbide to be provided with circulating fan in the roll-type tunnel cave, and the waste heat is returned
Receiving unit is connected with roll-type tunnel cave by pipeline to carry out waste heat recovery, and high-temperature liquid state calcium carbide injects the quickly cooling by tank body and coagulated
Cooled down for the first time in shell device, the roller-way transports quickly cooling scull device into roll-type tunnel cave further cold to be carried out to calcium carbide
But；The quickly cooling scull device includes base and the upper frame above the base, wherein, the upper frame is formed with
Multiple grooves for being used to accommodate calcium carbide, the bottom of the groove is sealed by the base, and the upper frame, which is provided with, to be used for
Accommodate the cooling water pipeline and the cooling water inlet connected with the cooling water pipeline and coolant outlet of cooling water, the base
Provided with the water inlet pipe and outlet pipe for accommodating the aqua storage tank of cooling water and being connected with the aqua storage tank, the cooling water pipeline ring
Shape is arranged on the side wall of the upper frame, and the cooling water pipeline is only between multiple cooling water pipelines provided with multiple
Erect and put, each cooling water pipeline is correspondingly arranged a cooling water inlet and coolant outlet.
2. calcium carbide sensible heat recovery system as claimed in claim 1, it is characterised in that the waste heat recovery apparatus includes waste heat pot
Early stage high-temperature gas in stove and drying kiln, the roll-type tunnel cave is passed through in the waste heat boiler and generated electricity, low temperature gas in the later stage
Body is passed through drying kiln drying.
3. calcium carbide sensible heat recovery system as claimed in claim 1, it is characterised in that the base and upper frame are detachable
Connection.
4. calcium carbide sensible heat recovery system as claimed in claim 1, it is characterised in that the upper frame material is stainless steel,
The wall thickness of the madial wall of the upper frame is 200 ~ 400 mm, and the width of the groove is 200 ~ 600 mm.
5. calcium carbide sensible heat recovery system as claimed in claim 1, it is characterised in that the quantity of the groove is 4 ~ 16.
6. calcium carbide sensible heat recovery system as claimed in claim 1, it is characterised in that the base material is stainless steel, described
Base is cuboid, and its length is 4.0 ~ 8.0 m, and width is 2.0 m ~ 4.0 m, the mm of thickness 200 ~ 400.
7. the calcium carbide sensible heat recovery system as described in any one in claim 1 or 3 to 6, it is characterised in that the water inlet
Pipe and outlet pipe are provided with multiple, and the base is homonymy water inlet, offside water exit mode, and the upper frame enters for homonymy
Water, homonymy water exit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510595654.8A CN105217632B (en) | 2015-09-16 | 2015-09-16 | Calcium carbide sensible heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510595654.8A CN105217632B (en) | 2015-09-16 | 2015-09-16 | Calcium carbide sensible heat recovery system |
Publications (2)
| Publication Number | Publication Date |
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| CN105217632A CN105217632A (en) | 2016-01-06 |
| CN105217632B true CN105217632B (en) | 2017-07-11 |
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| CN201510595654.8A Active CN105217632B (en) | 2015-09-16 | 2015-09-16 | Calcium carbide sensible heat recovery system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858662B (en) * | 2016-06-22 | 2018-06-22 | 上海泰旭能源科技有限公司 | A kind of acetylene stones sensible heat retracting device |
| CN110160349A (en) * | 2019-06-21 | 2019-08-23 | 沈林彬 | A kind of environment-protecting type exhaust air heat exchange comprehensive utilization raw material of wood-charcoal drying kiln |
| CN111895796A (en) * | 2020-07-06 | 2020-11-06 | 西安交通大学 | Power generation system and method using discharged calcium carbide as heat source |
| CN112539656B (en) * | 2020-12-01 | 2022-08-02 | 中船重工（上海）新能源有限公司 | Energy utilization method in calcium carbide production process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD268923A1 (en) * | 1984-03-05 | 1989-06-14 | Leipzig Chemieanlagen | APPARATUS AND METHOD FOR THE DERIVATION OF LUBRICANT FROM LIQUID OR FIRST MELTS |
| CN201173703Y (en) * | 2007-12-29 | 2008-12-31 | 西安瑞驰电力设备有限公司 | Calcium carbide furnace heat-recovering system |
| CN101830464B (en) * | 2010-05-14 | 2012-02-22 | 山西亿众公用事业有限公司 | Cogeneration technique for producing calcium carbide and thermoelectricity by two-stage method, and device thereof |
| CN103776270A (en) * | 2014-01-27 | 2014-05-07 | 西安科技大学 | Calcium carbide sensible heat recovery equipment and method for calcium carbide furnace |
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