CN204643865U - Reduce in cooling alkali machine and the device of soda ash temperature in packaging post - Google Patents
Reduce in cooling alkali machine and the device of soda ash temperature in packaging post Download PDFInfo
- Publication number
- CN204643865U CN204643865U CN201520303197.6U CN201520303197U CN204643865U CN 204643865 U CN204643865 U CN 204643865U CN 201520303197 U CN201520303197 U CN 201520303197U CN 204643865 U CN204643865 U CN 204643865U
- Authority
- CN
- China
- Prior art keywords
- chuck
- auger
- packing auger
- packaging
- soda ash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Packages (AREA)
Abstract
The utility model discloses and a kind ofly reduce in cooling alkali machine and the device of soda ash temperature in packaging post, mainly improve the production technique in cooling alkali machine structure and packaging post, the upstream side of described cooling alkali machine arranges feeding packing auger, and downstream side arranges discharging auger; The shell of feeding packing auger is provided with feeding packing auger shell chuck; Feeding packing auger shell chuck arranges cooling water pipeline in addition.The downstream of discharging auger connects packaging post; Packaging post packaging storehouse and or Cang Shangguabanchu on be provided with exhausting pipeline.The other end of exhausting pipeline connects sack cleaner and connects induced draft fan.Calcining furnace soda ash product out lowered the temperature simultaneously and the soda ash product cooling in post will be packed, can ensure that soda ash product temperature is at any time all in safety range, accident of can not having a swollen head; The efficiency of soda manufacture can be improved, reduce packing cost, thus increase economic benefit.
Description
Technical field
The utility model relates to soda manufacture technical field, and particularly to refer in cool alkali technique a kind of reduces in cooling alkali machine and the device of soda ash temperature in packaging post.
Background technology
In soda ash process industry, the initial temperature of the soda ash product obtained in connection alkali calcining furnace is generally between 150 ~ 200 DEG C.Because the temperature of this soda ash product is high, having to pass through cools could pack.At present, in the cool alkali technology that soda industry adopts, mainly contain the cool alkali of the cool alkali stove of boiling, turn round several techniques such as the cool alkali of cool alkali stove and the cool alkali of cooling alkali machine.
Wherein, the cool alkali stove that seethes with excitement needs through pressurization, dehumidifying, and with a large amount of dry airs cooled for boiling medium, in stove, material contacts with air and morely has the hidden danger affecting quality product, and technical process is long, consumes high, needs secondary-cleaned tail gas.
Turn round cool alkali stove to need material is turned round in cylinder, material and cylinder inner wall or central water tube realize the cooling of material by the mode of septate heat transfer, but this equipment is heavy and huge, and take up an area large, one-time investment is high.And the heat transfer coefficient in this equipment is lower, transmission rig is needed to assist, complicated integral structure, maintenance maintenance difficulty.
Cooling alkali machine one-piece construction is simple, economic and practical.Under same throughput, comparatively speaking, the initial investment of cooling alkali machine is less, overall weight is lighter, equipment takes up an area less, operation energy consumption is lower, actual output is larger.Therefore, cooling alkali machine is applied generally in alkaline industry.
Specifically, utilize in the cool alkali technique of cooling alkali machine, the general outside casing of common cooling alkali machine and inner screw rod composition; The screw rod of its inside is as the conveying machinery structure of material transferring.Cooling alkali machine upstream side is feeding packing auger, and downstream side is discharging auger.Cooling alkali machine downstream directly connects packaging post, by cooled soda ash package.
This cool alkali technique has that flow process is simple, equipment is little, takes up an area less, invests little, that ability large, heat exchange system is high advantage.But in above-mentioned technique, there is turndown ratio little, Level control is difficult, cooling power is difficult to meet the requirements of shortcoming.
Particularly, adopt the enterprise of this cool alkali technique, when production load is larger, be difficult to Production requirement because cooling power is difficult to reach requirement.Because the soda ash product temperature of cooling alkali machine discharging is still higher, during packaging, soda ash temperature is also higher, causes accident of usually having a swollen head.The safety temperature that it is generally acknowledged the soda ash product that soda ash packing bag is born is 90 DEG C, can not more than 90 DEG C during packaging; Once more than 90 DEG C, be easy to cause soda ash outer packaging bag to have a swollen head accident, cause brokenly the quality accidents such as Bales Off.In order to avoid the accident of having a swollen head, setting discharging product temperature during safety in production can not more than 90 DEG C (summer) or 100 DEG C (winter).Therefore, when production task amount is large, or during summer environment temperature height, the actual capacity of this cooling alkali machine device can only reach about 80%.If use resistant to elevated temperatures soda ash packing bag, be then a kind of expenditure additionally, improve cost.
To design the cooling alkali machine of day output 800 tons, the actual of this cooling alkali machine has a daily output of 780 tons.Annual 6,7,8,9 four months high temperature seasons, because soda ash product temperature is higher, for ensureing that soda ash Package Quality is forced to decrement and produces, minimum only 660 tons of the average daily throughput of this cooling alkali machine.Simultaneously in order to ensure production safety, but also the heatproof needing a large amount of use cost higher packaging woven bag, be often only and increase packing of product cost about 330,000 yuan.This cooling alkali machine cannot reach the production capacity of desired design, also seriously constrains whole alkali device capbility, causes soda ash product loss to reach about 1.5 ten thousand tons every year.
Therefore, need to provide a kind of device reducing alkali temperature, the cooling performance of the cool alkali technique of strengthening cooling alkali machine for cooling alkali machine and packaging post, to ensure that packaging potential job safety is produced, raise the efficiency, avoid cost to improve.
Summary of the invention
The purpose of this utility model is exactly will provide a kind of to reduce in cooling alkali machine and the device of soda ash temperature in packaging post, this technology can guarantee that soda ash product is lowered the temperature effectively in cooling alkali machine, and sustaining temperature reduces on packaging post, thus ensure that the temperature of soda ash product when packing is in safety range, accident of not having a swollen head.
For achieving the above object, in reduction cooling alkali machine designed by the utility model and the device of the soda ash temperature in packaging post, mainly the technique in cooling alkali machine and packaging post is improved, concrete technological improvement point is: the upstream side of described cooling alkali machine arranges feeding packing auger, and downstream side arranges discharging auger; The shell of described feeding packing auger is provided with feeding packing auger shell chuck; Described feeding packing auger shell chuck is also provided with the cooling water pipeline of cooling; The downstream of described discharging auger connects packaging post; The packaging storehouse in described packaging post and/or the Cang Shangguabanchu in packaging storehouse are provided with exhausting pipeline; The other end of described exhausting pipeline connects sack cleaner; The other end of described sack cleaner connects induced draft fan.
In technique scheme, described feeding packing auger shell chuck is that segmentation is installed, and segmentation is arranged on the outside of described feeding packing auger; The cross section of every section feeding auger shell chuck is U-shaped, and entirety is the tubular structure of uniform thickness; Every section feeding auger shell chuck comprises the chuck semicircular plate face that the chuck vertical plate face of both sides and below connect; The top in the chuck vertical plate face of every side is horizontally disposed with chuck top levels plate respectively by one piece and is fixed on the shell of feeding packing auger; The two ends in the chuck semicircular plate face of bottom are welded on the shell of feeding packing auger respectively by one block of vertical U-shaped plate; The chuck vertical plate face of described every section feeding auger shell chuck is parallel with the side vertical plate face of feeding packing auger; Chuck semicircular plate face and the feeding packing auger bottom semicircular plate face of described every section feeding auger shell chuck are coaxial; The lower semicircular shape base plate of feeding packing auger of the complete coated correspondent section of every section feeding auger shell chuck and the vertical plate face of both sides at least 50%.
In technique scheme, axially, the feeding packing auger of feeding packing auger shell chuck at least coated 98%.
In technique scheme, described feeding packing auger and discharging auger are tube auger lift.
In technique scheme, in described cooling alkali machine, the afterbody near packaging post is provided with afterbody ash damper; Described afterbody ash damper is no less than 100 centimetres.
In technique scheme, the suction opening of described exhausting pipeline is arranged on the top cover position in packaging storehouse; The suction opening of described exhausting pipeline is arranged on the top cover position of storehouse upper scraping plate.
The utility model is after the principle of work carefully studying and analyze existing cool alkali technique, particularly cooling alkali machine, and in conjunction with the operation operation characteristic of physical device, will reduce the temperature of straight product further dexterously, its advantage is mainly reflected in following several respects:
One, in the transportation of soda ash product before entering cooling alkali machine, lowers the temperature in advance, ensures cooling-down effect and the working life of cooling alkali machine.
Its two, the height of the afterbody ash damper of common cooling alkali machine is 80 centimetres, and the height of this afterbody ash damper directly affects the residence time of soda ash product in cooling alkali machine.After the afterbody ash damper of cooling alkali machine is increased to 105 centimetres, add the residence time of soda ash product in cooling alkali machine, to obtain better cooling-down effect.
Its three, exhausting pipeline is set in wrapping machine, the warm air in wrapping machine is taken away, ensure that the working temperature of wrapping machine is in safety range, to avoid the accident of having a swollen head, also ensure the working life of this wrapping machine simultaneously.
Its four, during for existing technological transformation, existing major equipment is changed less, does not need the investment that extra interpolation is excessive again.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device of the soda ash temperature reducing in cooling alkali machine and pack post.
Fig. 2 is the structural representation of the feeding packing auger shell chuck 4 that feeding packing auger 2 is installed.
Fig. 3 is the cross-sectional view of feeding packing auger shell chuck 4.
In figure: cooling alkali machine 1, feeding packing auger 2, discharging auger 3, feeding packing auger shell chuck 4, cooling water pipeline 5, cooling nozzle 6, suspension bucket 7, packaging storehouse 8, storehouse upper scraping plate 9, exhausting pipeline 10, sack cleaner 11, induced draft fan 12, cooling alkali machine afterbody ash damper 13, chuck vertical plate face 14, chuck semicircular plate face 15, chuck upper water platen surface 16.
Embodiment
Below in conjunction with the drawings and specific embodiments, equipment and process of the present utility model is described in further detail.
In reduction cooling alkali machine as shown in Figures 1 to 3 and the device of the soda ash temperature in packaging post, with cooling alkali machine 1 and packaging post for major equipment and production technique.The upstream of described cooling alkali machine 1 connects calcining furnace, lowers the temperature to the soda ash product that it is produced.Described packaging post is production line end equipment, and the soda ash packing of product is become bag, so that transport or storage.
The upstream side of described cooling alkali machine 1 arranges feeding packing auger 2, and downstream side arranges discharging auger 3.Described feeding packing auger 2 and discharging auger 3 are tube auger lift; They can have in course of conveying can material lifting and with a economic viability handling equipment of agitating function.
The shell of the transfer lime of described feeding packing auger 2 is provided with feeding packing auger shell chuck 4.The transfer lime entirety of described feeding packing auger 2 is tubular structure, and cross section is U-shaped, and both sides are vertical plate faces, below is semicircle base plate, centre arranges screw rod to carry soda ash, and top is provided with cover plate.Described feeding packing auger shell chuck 4 entirety is also U-shaped structure, and entirety is the tubular structure of uniform thickness, and segmentation is arranged on the outside of described feeding packing auger 2.The lower semicircular shape base plate of feeding packing auger 2 of the complete coated correspondent section of every section feeding auger shell chuck 4 and the vertical plate face of both sides at least 50%; Axially, feeding packing auger shell chuck 4 at least coated feeding packing auger 2 overall length 98%.
According to length and the overall cooling demand size of this feeding packing auger 2, described feeding packing auger shell chuck 4 can weld in segmentation in the above described manner, also can arrange the feeding packing auger shell chuck 4 be welded into by monoblock roll of steel plate to small-sized feeding packing auger 2.If the size of the steel plate materials used cannot meet chuck vertical plate face 14 demand of this feeding packing auger shell chuck 4, then chuck vertical plate face 14 is not set, chuck semicircular plate face 15 is only set.
The axial length of every section feeding auger shell chuck 4 is no less than 1 meter, and designing every section feeding auger shell chuck 4 axial length to coordinate this feeding packing auger 2 is 2 meters, and the spacing of adjacent two sections is very near, axially can wrap up the length of 99% of feeding packing auger 2.The U-shaped structure of every section feeding auger shell chuck 4 is identical with the profile of feeding packing auger 2, comprises the chuck semicircular plate face 15 that the chuck vertical plate face 14 of both sides and below connect; The top in the chuck vertical plate face 14 of every side is horizontally disposed with chuck top levels plate 16 respectively by one piece and is fixed on the shell of feeding packing auger 2; The two ends in the chuck semicircular plate face 15 of bottom are fixed on the shell of feeding packing auger 2 respectively by one block of vertical U-shaped plate.The chuck vertical plate face 14 of described every section feeding auger shell chuck 4 is parallel with the side vertical plate face of feeding packing auger 2, and the two is at a distance of at least 5 centimetres; During this place's practice of construction, the width 10 centimetres of described chuck upper water platen surface 16.The chuck semicircular plate face 15 of described every section feeding auger shell chuck 4 and feeding packing auger 2 bottom semicircular plate face are coaxial, and the two is at a distance of when practice of construction being 10 centimetres.
In actual production, the axial length of every section feeding auger shell chuck 4 of segmentation can be determined, so that constructing operation according to the fabric width size of volume welding steel plate.In order to ensure the cooling-down effect of feeding packing auger 2, between adjacent two section feeding auger shell chucks 4, spacing can be there is no; The now complete coated feeding packing auger 2 of feeding packing auger shell chuck 4, cooling-down effect is best.
Described every section feeding auger shell chuck 4 all arranges cooling water pipeline 5.This cooling water pipeline 5 entrance cooling nozzle 6 is arranged on every section feeding auger shell chuck 4 one end near upstream; Outlet is arranged on described feeding packing auger shell chuck 4 near one end of cooling alkali machine 1.Like this can countercurrent flow, to reach best heat transfer effect.Cooling water pipeline 5 can directly adopt recirculated water as low-temperature receiver recycle.
In described cooling alkali machine 1, the afterbody near packaging post is provided with afterbody ash damper 13.The height of the afterbody ash damper 13 arranged in original cooling alkali machine 1 is 80 centimetres.In the utility model, the afterbody ash damper 13 of this cooling alkali machine 1 extends to 105 centimetres; More than 30% is increased than original ash damper.This afterbody ash damper 13, for extending soda ash product residence time in cooling alkali machine 1, reduces the temperature at least 3 DEG C of soda ash product.
The downstream of described cooling alkali machine 1 is set to discharging auger 3.The downstream of described discharging auger 3 connects packaging post.Described packaging post comprises suspension bucket 7, rotary strainer plate, packaging storehouse 8 successively from upstream to downstream, wherein pack top, storehouse 8 and be also provided with storehouse upper scraping plate 9.
Described packaging storehouse 8 and storehouse upper scraping plate 9 can also be provided with exhausting pipeline 10 simultaneously; It is also passable that one place is only set.It is pack on storehouse 8 and storehouse upper scraping plate 9 that the inlet end of described exhausting pipeline 10 is arranged; Exit end connects sack cleaner 11.The other end of described sack cleaner 11 connects induced draft fan 12.Warm air in packaging storehouse 8 can be taken away like this, be conducive to the temperature reducing soda ash product further.
Concrete, the suction opening of this exhausting pipeline 10 is separately positioned on the packaging top cover position in storehouse 8 and the top cover position of storehouse upper scraping plate 9.The other end of exhausting pipeline 10 arranges sack cleaner 11; The other end of described sack cleaner 11 connects induced draft fan 12; The exit end emptying of described induced draft fan 12.
In packaging storehouse 8, the soda ash product of high temperature enters from suspension bucket 7, and after rotary strainer plate sieves, qualified soda ash product continues to fall; Now, the temperature in packaging storehouse 8 raises, and warm air wraps soda ash dust and rises.For this situation, induced draft fan 12 and sack cleaner 11 acting in conjunction, be pumped the warm air in packaging storehouse 8 from exhausting pipeline 10; Temperature in packaging storehouse 8 reduces, and the temperature of soda ash product reduces.
Using such method, the soda ash product of 150 ~ 200 DEG C can ensure to pack potential job safety, accident of not having a swollen head through following steps.
1, by the soda ash product in calcining furnace from calcining furnace out after, imported before entering cooling alkali machine 1 in feeding packing auger 2 lower the temperature; Cooling water temperature is accessed by cooling water pipeline 5 in the charging flood dragon shell chuck 4 of this charging flood dragon 2, can by soda ash product cooling at least 15 DEG C.
2, in the soda ash product introduction cooling alkali machine 1 in feeding packing auger 2, the height of the cooling alkali machine afterbody ash damper 13 of this cooling alkali machine 1 increases by 30%, reaches 105 centimetres, soda ash product is lowered the temperature further and is no less than 3 DEG C;
3, in cooling alkali machine 1, soda ash product enters packaging post by cooling alkali machine discharging auger 3;
4, soda ash product is in packaging post, utilizes induced draft fan 12 and sack cleaner 11 acting in conjunction, is pumped by the warm air in packaging storehouse 8 from exhausting pipeline 10; Temperature in packaging storehouse 8 reduces, and the temperature of soda ash product is reduced in safety range further.
After feeding packing auger 2, recycle cooling alkali machine 1, and pack the acting in conjunction of exhausting system on post, this soda ash can be down to 85 DEG C, meets the requirement in packaging post completely, does not use heatproof pack woven bag and use ordinary packing woven bag.
In the soda manufacture department of Hubei Shuanghuan Science and Technology Stock Co., Ltd., the device of the soda ash temperature in the reduction cooling alkali machine designed by the utility model and when packing is arranged on the downstream of No. 7 calcining furnaces as cool alkali equipment.Compare with original production stage, under identical working condition, after implementing the utility model, the outlet temperature of soda ash product declines more than 20 DEG C, and can ensure safety in production completely, cooling-down effect is obvious.Particularly Theoretical Calculation, can promote 100 ton per days by the throughput of cool alkali processing step.Units increased in production 1.5 ten thousand tons, soda ash selling price 1200 yuan/ton calculating per year, the device installing the soda ash temperature in the reduction cooling alkali machine designed by the utility model and when packing year volume increase can be worth more than 1,800 ten thousand yuan.
Meanwhile, after the temperature of soda ash product reduces, when the high or summer environment temperature of production load is high, the temperature of final soda ash product is no more than 85 DEG C, can not cause the accident of having a swollen head.Therefore, after using the device of the soda ash temperature in the reduction cooling alkali machine designed by the utility model and when packing, do not need completely during packaging to use high-temperature alkali bag, can packing cost be reduced, save packing cost more than about 350,000 yuan every year.
As can be seen here, adopt in reduction cooling alkali machine designed by the utility model and the device of soda ash temperature in packaging post, cooling step technology before soda ash packaging in basic industry is transformed, can ensure that soda ash product temperature is at any time all in safety range, accident of can not having a swollen head; The efficiency of this soda manufacture can be strengthened, reduce packing cost, thus reduce financial loss.
The above; be only embodiment of the present utility model, it should be pointed out that any those of ordinary skill in the art are in the technical scope disclosed by the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. reduce in cooling alkali machine and the device of the soda ash temperature in packaging post, comprise cooling alkali machine (1) and packaging post, it is characterized in that: the upstream side of described cooling alkali machine (1) arranges feeding packing auger (2), and downstream side arranges discharging auger (3); The shell of described feeding packing auger (2) is provided with feeding packing auger shell chuck (4); Described feeding packing auger shell chuck (4) is also provided with the cooling water pipeline (5) of cooling; The downstream of described discharging auger (3) connects packaging post; The packaging storehouse (8) in described packaging post and/or storehouse upper scraping plate (9) place of packaging storehouse (8) are provided with exhausting pipeline (10); The other end of described exhausting pipeline (10) connects sack cleaner (11); The other end of described sack cleaner (11) connects induced draft fan (12).
2., in reduction cooling alkali machine according to claim 1 and the device of the soda ash temperature in packaging post, it is characterized in that: described feeding packing auger shell chuck (4) is that segmentation is installed, and segmentation is arranged on the outside of described feeding packing auger (2); The cross section of every section feeding auger shell chuck (4) is U-shaped, and entirety is the tubular structure of uniform thickness; Every section feeding auger shell chuck (4) comprises the chuck semicircular plate face (15) that the chuck vertical plate face (14) of both sides and below connect; The top in the chuck vertical plate face (14) of every side is horizontally disposed with chuck top levels plate (16) respectively by one piece and is fixed on the shell of feeding packing auger (2); The two ends in the chuck semicircular plate face (15) of bottom are fixed on the shell of feeding packing auger (2) respectively by one block of vertical U-shaped plate; The chuck vertical plate face (14) of described every section feeding auger shell chuck (4) is parallel with the side vertical plate face of feeding packing auger (2), and the two is at a distance of at least 5 centimetres; The chuck semicircular plate face (15) of described every section feeding auger shell chuck (4) and feeding packing auger (2) bottom semicircular plate face are coaxial, and the two is at a distance of at least 5 centimetres; The lower semicircular shape base plate of feeding packing auger (2) of the complete coated correspondent section of every section feeding auger shell chuck (4) and the vertical plate face of both sides at least 50%.
3., in reduction cooling alkali machine according to claim 1 and the device of the soda ash temperature in packaging post, it is characterized in that: axially, feeding packing auger shell chuck (4) at least coated altogether 98% feeding packing auger (2).
4., in reduction cooling alkali machine according to claim 1 and the device of the soda ash temperature in packaging post, it is characterized in that: described feeding packing auger (2) and discharging auger (3) are tube auger lift.
5., in reduction cooling alkali machine according to claim 1 and the device of the soda ash temperature in packaging post, it is characterized in that: in described cooling alkali machine (1), the afterbody near packaging post is provided with afterbody ash damper (13); Described afterbody ash damper (13) is no less than 100 centimetres.
6., in reduction cooling alkali machine according to claim 1 and the device of the soda ash temperature in packaging post, it is characterized in that: the suction opening of described exhausting pipeline (10) is arranged on the top cover position of packaging storehouse (8); The suction opening of described exhausting pipeline (10) is arranged on the top cover position of storehouse upper scraping plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303197.6U CN204643865U (en) | 2015-05-12 | 2015-05-12 | Reduce in cooling alkali machine and the device of soda ash temperature in packaging post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303197.6U CN204643865U (en) | 2015-05-12 | 2015-05-12 | Reduce in cooling alkali machine and the device of soda ash temperature in packaging post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204643865U true CN204643865U (en) | 2015-09-16 |
Family
ID=54096631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520303197.6U Withdrawn - After Issue CN204643865U (en) | 2015-05-12 | 2015-05-12 | Reduce in cooling alkali machine and the device of soda ash temperature in packaging post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204643865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876249A (en) * | 2015-05-12 | 2015-09-02 | 湖北双环科技股份有限公司 | Device and method for reducing temperature of soda ash in soda ash cooling machine and packaging post |
-
2015
- 2015-05-12 CN CN201520303197.6U patent/CN204643865U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876249A (en) * | 2015-05-12 | 2015-09-02 | 湖北双环科技股份有限公司 | Device and method for reducing temperature of soda ash in soda ash cooling machine and packaging post |
| CN104876249B (en) * | 2015-05-12 | 2016-09-14 | 湖北双环科技股份有限公司 | The apparatus and method of the soda temperature in reducing cooling alkali machine and packaging post |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201686711U (en) | Ash storage bin for matching with blast furnace gas full-dry dedusting system | |
| CN104197752B (en) | A kind of have the waste heat utilization heat exchanger that multiple directions blow ash | |
| CN204643865U (en) | Reduce in cooling alkali machine and the device of soda ash temperature in packaging post | |
| CN104180677B (en) | The rotary cement kiln waste heat utilization heat exchanger that tube bank density of protrusions is different | |
| CN104876249A (en) | Device and method for reducing temperature of soda ash in soda ash cooling machine and packaging post | |
| WO2021109608A1 (en) | Arrangement structure of thermal cracking device | |
| CN109163569B (en) | Division vertical type sinter cooler and sinter cooling method | |
| CN104165529B (en) | The rotary cement kiln waste heat utilization heat exchanger of tube bank diamond array | |
| CN206408161U (en) | A kind of Semi-coke cooling device and cooling system | |
| CN212315948U (en) | Novel high-temperature clinker cooling waste heat recycling and comprehensive utilization device for dry-process cement clinker production line | |
| CN204421698U (en) | A kind of molecular sieve quick cooler | |
| CN206958949U (en) | A kind of heat exchange energy saver of hot blast furnace exhaust gas when producing nano-calcium carbonate | |
| CN202692623U (en) | Boiler waste heat secondary drying device | |
| CN203163543U (en) | Heat exchange device for granular materials | |
| CN206739879U (en) | Alumina roasting furnace vertical fluidized bed | |
| CN212387108U (en) | Vertical mill star feeder lower chute air locking structure | |
| CN204987890U (en) | Whirlwind system of preheating suitable for tiny particle form material | |
| CN205076995U (en) | Double helix self -cleaning desulphurization unit | |
| CN221301762U (en) | Food sodium hexametaphosphate product heat sink | |
| CN212284251U (en) | Energy-saving vertical mill | |
| CN103604308B (en) | Method for blowing soot by using rotary cement kiln waste heat utilization heat exchanger | |
| CN103629957B (en) | Rotary cement kiln waste-heat utilization heat exchanger with multiple soot blowing openings and soot blowing method thereof | |
| CN212609573U (en) | Diammonium phosphate cooling device | |
| CN204981719U (en) | Second grade cooling desulphurization unit | |
| CN110131740B (en) | Environment-friendly boiler for combusting biomass fuel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |