CN106492708B - Granulation Equipments for vulcanized sodium - Google Patents
Granulation Equipments for vulcanized sodium Download PDFInfo
- Publication number
- CN106492708B CN106492708B CN201610932737.6A CN201610932737A CN106492708B CN 106492708 B CN106492708 B CN 106492708B CN 201610932737 A CN201610932737 A CN 201610932737A CN 106492708 B CN106492708 B CN 106492708B
- Authority
- CN
- China
- Prior art keywords
- granulation
- granulation tower
- tower
- screening machine
- groove
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Glanulating (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
This patent discloses a kind of Granulation Equipments for vulcanized sodium,Including granulation tower,Granulation tower inner upper is equipped with prilling spry,It is provided with cooling device above the inner wall of granulation tower,N-butyl ether is equipped in cooling device,Granulation tower lower end is equipped with discharge port,The lower section of granulation tower discharge port is equipped with screening machine,The top of screening machine is equipped with delivery sheet,Several through-holes is offered on delivery sheet,L-type groove is offered on screening machine,L-type groove includes vertical groove and transverse concave groove,Vertical groove is located at the underface of discharge port,Tension spring and diversion rod are equipped in transverse concave groove,One end of diversion rod is connect with tension spring,The diversion rod other end stretches out screening machine and is connect with delivery sheet,Discharge orifice is further opened on screening machine,Discharge orifice is communicated with transverse concave groove,Collecting tank is additionally provided with below discharge orifice,Collecting tank is connect by pipeline and pump with cooling device.This programme is to be effectively guaranteed the granulation quality of vulcanized sodium.
Description
Technical field
The present invention relates to the production equipment of vulcanized sodium, specially a kind of Granulation Equipments.
Background technology
Vulcanized sodium is also known as smelly alkali, smelly soda, yellow alkali, akali sulphide.Vulcanized sodium is inorganic compound, and pure vulcanized sodium is colourless knot
Crystalline flour end.Moisture absorption is strong, soluble easily in water.Aqueous solution is reacted in strong basicity.It can cause to burn when touching skin and hair.Therefore vulcanize
Sodium is commonly called as akali sulphide.Vulcanized sodium as a kind of basic chemical raw materials, the necessity of national economy, be widely used in papermaking, leather,
Non-ferrous metal ore, weaving, printing and dyeing, dyestuff, pigment, polysulfide rubber, polyphenylene sulfide, medicine, organic chemical industry's intermediate, lithopone
The industries such as manufacture.
The production method of akali sulphide mainly has coal（Carbon）High temperature reduction mirabilite method, barium sulfate by-product method, caustic lye of soda absorb secondary
Produce three kinds of hydrogen sulfide method.Production process includes mainly the upper material process of stock, calcination process, changes base washery slag process, precipitates and wash bricklayer's
Sequence, low iron akali sulphide liquid process, evaporization process, shaping packaging process.In the shaping packaging process of granular akali sulphide, it is granulated
Machine is most important production equipment.
In melt material pelletizing equipment, there are three types of forms mostly：One is high-tower melting granulation, i.e., set in granulation tower
Prilling head is set to do the movement of falling object in granulation tower after fused materials granulation head sprays, in dropping process gradually cure,
This equipment needs corresponding height that could meet solidifying requirements, therefore general granulation tower is relatively high, equipment once investment compared with
Height, and energy consumption is higher；The second is steel band type melt pelletization, manufactured particle is mostly semicircle shape particle, and particle diameter is larger, simultaneously
Steel band is regularly replaced, maintenance cost is higher；The third is roller slicer, finished product is mostly sheet, and material fluidity is poor, gradually
It is replaced by circular granular.
A kind of water curtain style melt pelletization system is disclosed in China Patent No. ZL201310086432.4, including is granulated
Tower, the granulation tower inner upper are equipped with prilling spry, and the granulation tower is up big and down small conical shell, the prilling spry
It is arranged above granulation tower, is granulated above inner wall of tower and is provided with drenching installation, cooling water is flowed out by drenching installation bores along granulation tower
Shape cylinder inboard wall flows downward, and granulation tower lower end is equipped with discharge port.Said program carries out curing by the way of direct water-cooling cold
But, drenching installation forms water curtain in granulation tower cone inner wall, and the fused materials drop that prilling spry ejects connects with cooling water
Cured rapidly after touch, discharge port flowed downward to then as cooling water, into screening machine after carry out object water separation, material into
Fluidized bed is dried, and cooling water enters water tank reuse, big using the cured form of direct water-cooling since fused materials are not soluble in water
The big height for reducing prior art granulation tower, simple in structure, height is relatively low, and investment is less, and maintenance cost is low.
But said program still can there is a problem of following in actual use：The cooling water that drenching installation sprays is along granulation
Tower taper barrel flows downward, and is flowed into water tank after discharge port and screening machine, and the cooling water being flowed into water tank passes through again
Pipeline and pump turn again in drenching installation, and are ejected again, since the cooling water of drenching installation ejection is in taper barrel
The amount of heat of material generation can be absorbed, therefore the cooling water being discharged to out of taper barrel in water tank will have higher temperature,
The water in water tank is ejected after turning again in drenching installation at this time, the cooling water sprayed at this time due to higher temperature,
And then can cause to weaken the cooling effect of material significantly, the serious granulation outcome that will influence whether material, reduce yield rate.
Invention content
The invention is intended to provide a kind of Granulation Equipments ensureing cooling effect in vulcanized sodium production process.
The Granulation Equipments for vulcanized sodium in this programme, including granulation tower, granulation tower inner upper are equipped with prilling spry,
Granulation tower is up big and down small conical shell, and prilling spry is arranged above granulation tower, is provided with above the inner wall of granulation tower cold
But device, is equipped with n-butyl ether in cooling device, n-butyl ether sprayed from cooling device after along granulation tower conical shell inner wall to flowing down
Dynamic, granulation tower lower end is equipped with discharge port, and the lower section of granulation tower discharge port is equipped with screening machine, and the top of screening machine is equipped with delivery sheet,
Several through-holes is offered on delivery sheet, L-type groove is offered on screening machine, and L-type groove includes that vertical groove and transverse direction are recessed
Slot, vertical groove are located at the underface of discharge port, and tension spring and diversion rod are equipped in transverse concave groove, and one end and the tension spring of diversion rod connect
It connects, the diversion rod other end stretches out screening machine and connect with delivery sheet, and discharge orifice, discharge orifice and transverse direction are further opened on screening machine
Groove communicates, and collecting tank is additionally provided with below discharge orifice, and collecting tank is connect by pipeline and pump with cooling device.
The principle of this programme is：When to being granulated by the high temperature vulcanized sodium molten liquid of evaporization process, vulcanize sodium fusion
Melt liquid to spray from prilling spry, while n-butyl ether is also sprayed from cooling device, the high temperature energy of vulcanized sodium molten liquid is by positive fourth
After ether absorbs, vulcanized sodium will cure rapidly, then be flowed downwardly together with n-butyl ether and cause discharge port.
The n-butyl ether and granular vulcanized sodium flowed out from discharge port will be fallen on the delivery sheet of screening machine after discharge port outflow,
Wherein granular vulcanized sodium will stay on delivery sheet, and n-butyl ether will then be flowed into the L-type of screening machine from the through-hole of delivery sheet
In groove, the n-butyl ether being flowed into L-type groove will push diversion rod that the active force of tension spring is overcome to move, and diversion rod is mobile
Delivery sheet connected to it will be driven to move together simultaneously, so that the granular vulcanized sodium being discharged from discharge port will uniformly divide
Cloth is on delivery sheet.
When diversion rod is lasting when being moved at discharge orifice under the action of n-butyl ether, the n-butyl ether in L-type groove will be from
It is discharged at discharge orifice, the n-butyl ether being discharged from discharge orifice will be flowed into the collecting tank below discharge orifice, be flowed into collecting tank
Interior n-butyl ether is absorbed into cooling device under the action of pipeline and pump and is reused again, while when discharge orifice is beaten
When opening, the fluid pressure in L-type groove declines, so that diversion rod will back move under the action of tension spring, clears up at this time
The vulcanized sodium that completion has been granulated on lower delivery sheet both may be used.
The effect of this programme is：The n-butyl ether that amount of heat is absorbed in granulation tower is discharged this programme from discharge port
Afterwards, n-butyl ether is re-introduced into L-type groove, and n-butyl ether does work to diversion rod in L types groove so that diversion rod overcomes the work of tension spring
Firmly move, made by way of acting n-butyl ether absorb heat distributed, so when acting after from discharge orifice arrange
The n-butyl ether gone out is flowed into collecting tank, and the heat that n-butyl ether absorbs has obtained effective utilization, therefore the n-butyl ether in collecting tank
It has been restored to state low in calories when being transmitted to cooling device through piping and pump, sprinkling is carried out for cold to n-butyl ether again
But effect when vulcanized sodium will greatly improve, to be effectively guaranteed the cooling effect of vulcanized sodium in process of production, into
And it ensure that the granulation quality of vulcanized sodium.
Further, it is equipped with switch in one end that diversion rod is connect with tension spring, gear is hinged on the inner wall of granulation tower side
Plate offers card slot on the inner wall of the granulation tower other side, the first electromagnetic block is equipped in card slot, and the first electromagnetic block is equipped with first
Magnet exciting coil, the first magnet exciting coil are electrically connected with switch.
When the switch is closed, the first magnet exciting coil powers off, and when the switches are opened, the first magnet exciting coil is powered.
During n-butyl ether pushes deflector movement, when switch is not moved at discharge orifice, switch is in closure
State, the power-off of the first magnet exciting coil, the first electromagnetic block do not have electromagnetic force, when deflector movement until switch reaches at discharge orifice
When, under the action of discharge orifice, switch is opened, and the first magnet exciting coil is powered at this time, and the first electromagnetic block has electromagnetic force, in the electricity
Under the action of magnetic force, the first electromagnetic block will generate attraction to the baffle for being hinged on granulation inner wall of tower and be made under the action of baffle
Discharge outlet on grain tower will be blocked, and n-butyl ether cannot be discharged from discharge port, meanwhile, when n-butyl ether pushes deflector to reach
When at discharge orifice, the n-butyl ether in L-type groove will be discharged from discharge orifice, and n-butyl ether is to the declines of deflector at this time,
Under the action of tension spring, deflector will reset, and after the switch on deflector, which is resetted, to be staggered with discharge orifice, switch is closed again, the
One magnet exciting coil powers off, and the first electromagnetic block loses electromagnetic force, and baffle resets, and discharge outlet is opened, and n-butyl ether flows again into L-type
In groove.
For this programme when the n-butyl ether in L-type groove at discharge orifice by being discharged, baffle will be in the first electromagnetic block electromagnetic force
Under the action of discharge outlet is closed, n-butyl ether will stop flow into L-type groove at this time, to prevent n-butyl ether continual
Flow into the case where caused deflector is unable to normal reset in L-type groove.
Further, cooling device is the cooling bath being arranged being granulated above inner wall of tower, and overflow baffle is equipped on the inside of cooling bath,
Overflow baffle upper end surface is in same level.Distribution when overflow baffle makes n-butyl ether spray out is more uniform, protects
The granulation outcome of vulcanized sodium has been demonstrate,proved, while having been used also very convenient.
Further, diversion rod and delivery sheet are attached by head, and head includes the first link block and the
Two link blocks, the first link block are fixedly connected with delivery sheet, and the second link block is fixedly connected with diversion rod, on the second link block
Offer mounting groove, equipped with magnet and the second electromagnetic block that can be moved along mounting groove in mounting groove, the second electromagnetic block is equipped with the
Two magnet exciting coils, the second magnet exciting coil are electrically connected with switch, and compression spring is equipped between the second electromagnetic block and the first link block.
When the switch is closed, the second magnet exciting coil powers off, and when the switches are opened, the second magnet exciting coil is powered.
When deflector be moved under the action of n-butyl ether make switch reach discharge orifice at before when, switch be in closed form
State, the power-off of the second magnet exciting coil, the second electromagnetic block do not have electromagnetic force, magnet that the effect for generating power to electromagnetic block is made electromagnetic block
It is bonded with magnet, when switch is moved at discharge orifice, the second magnet exciting coil is powered, and the second electromagnetic block generates identical with magnet
Polarity, according to the principle that identical charges repel each other, the second electromagnetic block will be displaced outwardly along mounting groove, while mobile, in the work of compression spring
Under firmly, compression spring will push the first link block to move up, so that delivery sheet generates heeling condition, the material on delivery sheet
Automatically it is cleaned, so that the use of whole device is more intelligent.
Further, cooling device includes that setting is being granulated equally distributed several spray heads above inner wall of tower.Several sprays
Head, which is evenly distributed in, to be granulated above inner wall of tower, ensures entire spray effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of head in Fig. 1 embodiments.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Granulation tower 1, prilling spry 2, cooling bath 3, the 4, first electricity of overflow baffle
Magnetic patch 5, baffle 6, delivery sheet 7, the first link block 8, the second link block 9, magnet 91, the second electromagnetic block 92, compression spring 10, diversion rod
11, discharge orifice 12, collecting tank 13, switch 14, tension spring 15, screening machine 16.
Embodiment is substantially as shown shown in Figure 1 and Figure 2：For the Granulation Equipments of vulcanized sodium, including granulation tower 1, granulation tower 1
For up big and down small conical shell, prilling spry 2 is installed in the upside of granulation tower 1, prilling spry 2 is for spraying vulcanization sodium fusion
Melt liquid, cooling device is equipped on the inner wall of granulation tower 1, cooling device includes the cooling bath 3 being arranged above 1 inner wall of granulation tower
With equally distributed several spray heads, 3 inside of cooling bath is equipped with overflow baffle 4, and 4 upper end surface of overflow baffle is in same level
On.Distribution when overflow baffle 4 makes n-butyl ether spray out is more uniform, ensure that the granulation outcome of vulcanized sodium, makes simultaneously
It uses also very convenient.
It is additionally provided with baffle 6 on the inner wall in 1 left side of granulation tower, baffle 6 and the inner wall of granulation tower 1 are hinged, are making
Card slot is offered on the inner wall on 1 right side of grain tower, the first electromagnetic block 5 is equipped in card slot, and the first electromagnetic block 5 is equipped with the first excitation wire
Circle.It is further opened with discharge port in the downside of granulation tower 1.
It is equipped with screening machine 16 in the downside of 1 discharge port of granulation tower, the top of screening machine 16 is equipped with delivery sheet 7, on delivery sheet 7
Equipped with several allow liquid by through-hole, offer L-type groove on screening machine 16, L-type groove include vertical groove and
Transverse concave groove, vertical groove are located at the underface of discharge port, tension spring 15 and diversion rod 11 are equipped in transverse concave groove, and diversion rod 11 is left
End connect with tension spring 15 and is equipped with switch 14, and switch 14 is electrically connected with the first magnet exciting coil, and 11 right end of diversion rod stretches out screening machine
It 16 and is attached by head with delivery sheet 7, head includes the first link block 8 and the second link block 9, and first connects
It connects block 8 to be fixedly connected with delivery sheet 7, the second link block 9 is fixedly connected with diversion rod 11, and peace is offered on the second link block 9
Tankage, mounting groove is interior equipped with magnet 91 and the second electromagnetic block 92 that can be moved along mounting groove, and the second electromagnetic block 92 is equipped with second
Magnet exciting coil, the second magnet exciting coil are electrically connected with switch 14, and compression spring is equipped between the second electromagnetic block 92 and the first link block 8
10。
It is further opened with discharge orifice 12 on the right side of screening machine 16, collecting tank 13, collecting tank are equipped in the lower section of discharge orifice 12
13 are connect by pipeline and pump with cooling device.
When to being granulated by the high temperature vulcanized sodium molten liquid of evaporization process, vulcanized sodium molten liquid is from prilling spry 2
It sprays, while n-butyl ether is also sprayed from uniformly distributed spray head, and the high temperature energy of vulcanized sodium molten liquid will after being absorbed by n-butyl ether
Then rapid solidification is flowed with n-butyl ether and causes discharge port downwardly together.
The n-butyl ether and granular vulcanized sodium flowed out from discharge port will fall on the delivery sheet 7 of screening machine 16 after discharge port outflow
On, wherein granular vulcanized sodium will stay on delivery sheet 7, n-butyl ether then will be flowed into screening machine from the through-hole of delivery sheet 7
In 16 L-type groove, the n-butyl ether being flowed into L-type groove will push diversion rod 11 that the active force of tension spring 15 is overcome to move, and lead
Flow post 11 will drive delivery sheet 7 connected to it to move together while mobile, so that being discharged from discharge port granular
Vulcanized sodium will be evenly distributed on delivery sheet 7.
When diversion rod 11 under the action of n-butyl ether lasting when being moved at discharge orifice 12, the n-butyl ether in L-type groove
It will be discharged from discharge orifice 12, the n-butyl ether being discharged from discharge orifice 12 will be flowed into the collecting tank 13 of 12 lower section of discharge orifice,
The n-butyl ether being flowed into collecting tank 13 is absorbed into cooling device under the action of pipeline and pump and is reused again,
Simultaneously when discharge orifice 12 is opened, the switch 14 on diversion rod 11 is opened, and the first magnet exciting coil and the second magnet exciting coil lead to simultaneously
Electricity, the first electromagnetic block 5 and electromagnetic block have electromagnetic force, and the first electromagnetic block 5 is by the baffle 6 to being hinged on 1 inner wall of granulation tower at this time
Attraction is generated, under the action of baffle 6, the discharge outlet on granulation tower 1 will be blocked, and n-butyl ether cannot be arranged from discharge port
Go out, the second electromagnetic block 92 generates polarity identical with magnet 91, and according to the principle that identical charges repel each other, the second electromagnetic block 92 will be along installation
Slot is displaced outwardly, and while mobile, under the active force of compression spring 10, compression spring 10 will push the first link block 8 to move up, from
And so that delivery sheet 7 generates heeling condition, the material on delivery sheet 7 is cleaned automatically.When in L-type groove n-butyl ether discharge,
After vulcanized sodium cleaning on delivery sheet 7, under the action of tension spring 15, diversion rod 11 resets, and switch 14 is in closed state again,
First magnet exciting coil and the power-off of the second magnet exciting coil, repeat.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific implementation mode can be used for explaining the content of claim.
Claims (5)
1. a kind of Granulation Equipments for vulcanized sodium, including granulation tower, granulation tower inner upper is equipped with prilling spry, and granulation tower is
Up big and down small conical shell, prilling spry are arranged above granulation tower, and cooling device is provided with above the inner wall of granulation tower, cold
But n-butyl ether is equipped in device, n-butyl ether flows downward after being sprayed by cooling device along granulation tower conical shell inner wall, granulation tower
Lower end is equipped with discharge port, which is characterized in that the lower section of granulation tower discharge port is equipped with screening machine, and the top of screening machine is equipped with feeding
Plate offers several through-holes on delivery sheet, L-type groove is offered on screening machine, L-type groove includes vertical groove and transverse direction
Groove, vertical groove are located at the underface of discharge port, tension spring and diversion rod, one end of diversion rod and tension spring are equipped in transverse concave groove
Connection, the diversion rod other end stretch out screening machine and are connect with delivery sheet, and discharge orifice, discharge orifice and cross are further opened on screening machine
It is communicated to groove, collecting tank is additionally provided with below discharge orifice, collecting tank is connected by pipeline and pump, and pump connects with cooling device
It connects.
2. the Granulation Equipments according to claim 1 for vulcanized sodium, it is characterised in that：It is connect with tension spring in diversion rod
One end is equipped with switch, is hinged with baffle on the inner wall of granulation tower side, card slot is offered on the inner wall of the granulation tower other side,
The first electromagnetic block is equipped in card slot, the first electromagnetic block is equipped with the first magnet exciting coil, and the first magnet exciting coil is electrically connected with switch.
3. the Granulation Equipments according to claim 1 for vulcanized sodium, it is characterised in that：Cooling device includes that setting is being made
Cooling bath above grain inner wall of tower, cooling bath inside are equipped with overflow baffle, and overflow baffle upper end surface is in same level.
4. the Granulation Equipments according to claim 2 for vulcanized sodium, it is characterised in that：Diversion rod and delivery sheet pass through work
Dynamic device is attached, and head includes the first link block and the second link block, and the first link block is fixedly connected with delivery sheet,
Second link block is fixedly connected with diversion rod, offers mounting groove on the second link block, magnet is equipped in mounting groove and can edge
Second electromagnetic block of mounting groove movement, the second electromagnetic block are equipped with the second magnet exciting coil, and the second magnet exciting coil is electrically connected with switch,
Compression spring is equipped between the second electromagnetic block and the first link block.
5. the Granulation Equipments according to claim 4 for vulcanized sodium, it is characterised in that：Cooling device is several uniform points
Cloth is in the spray head being granulated above inner wall of tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932737.6A CN106492708B (en) | 2016-10-31 | 2016-10-31 | Granulation Equipments for vulcanized sodium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932737.6A CN106492708B (en) | 2016-10-31 | 2016-10-31 | Granulation Equipments for vulcanized sodium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106492708A CN106492708A (en) | 2017-03-15 |
| CN106492708B true CN106492708B (en) | 2018-10-19 |
Family
ID=58319585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610932737.6A Active CN106492708B (en) | 2016-10-31 | 2016-10-31 | Granulation Equipments for vulcanized sodium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106492708B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911656B (en) * | 2021-09-26 | 2022-09-02 | 深圳市市政工程总公司 | Combined screw conveyor for high-water-pressure mixed stratum |
-
2016
- 2016-10-31 CN CN201610932737.6A patent/CN106492708B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106492708A (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106492708B (en) | Granulation Equipments for vulcanized sodium | |
| CN103157404B (en) | A kind of water curtain style melt pelletization system | |
| CN110745785B (en) | Wet-process sulfur forming granulation production system and production process | |
| CN104109759B (en) | High titanium slag wet processing system and processing method | |
| CN208514936U (en) | A kind of rubber extruding machine with cooling system | |
| CN101397512B (en) | Paraffin granulation underwater production method | |
| CN205294836U (en) | Sulphur recovery system | |
| CN107894136A (en) | Industrial chemicals combination drying dehydration device | |
| CN203220849U (en) | Synthetic leather exhaust gas recovery device | |
| CN204189526U (en) | Cable air-dry apparatus | |
| CN213919811U (en) | Cooling water cooling device for electrode paste forming | |
| CN203382696U (en) | After-treatment system of aniline | |
| CN207144098U (en) | A kind of voltage stabilizing current-limiting apparatus | |
| CN207079012U (en) | A kind of closed air-cooled type grain alkali process units | |
| CN101696141A (en) | Method for producing fluidized bed | |
| CN103951508A (en) | Molecular network type nano-coating efficient slow release organic fertilizer and production process thereof | |
| CN203550493U (en) | Recycling device for adhesion materials on inner wall of hard alloy spray drying tower | |
| CN203227464U (en) | Water curtain type melting granulation system | |
| CN205437149U (en) | Liquid metal granulation system is carried out to full -automatic program control dry process | |
| CN207121549U (en) | Diethyl toluene diamine produces pre-processing device | |
| CN211233606U (en) | Multiple circulating cooling device for chemical production | |
| CN105414557B (en) | Full auto-programs control dry method carries out liquid metal granulation system and its method | |
| CN210683616U (en) | Special-shaped granulating nozzle capable of reducing temperature of urea material and urea granulating device using same | |
| CN204564059U (en) | A kind of roller pelletizer with cleaning structure | |
| CN109531861A (en) | A kind of polymer spray-on process prilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201109 Address after: Ding Yan Zhen Ding Xin Dong Lu, Rugao City, Jiangsu Province, Nantong City, No. 1, 226521 Patentee after: Nantong Tiansheng plastic packaging Co., Ltd Address before: 408422 Chongqing city Nanping Town, Nanchuan District Village Flower agency Patentee before: CHONGQING CITY NANCHUAN DISTRICT QINGYAN WELFARE ALKALI FACTORY |
|
| TR01 | Transfer of patent right |