CN215628096U - Rotary joint device capable of quickly replacing converter body cooling system - Google Patents
Rotary joint device capable of quickly replacing converter body cooling system Download PDFInfo
- Publication number
- CN215628096U CN215628096U CN202122002520.4U CN202122002520U CN215628096U CN 215628096 U CN215628096 U CN 215628096U CN 202122002520 U CN202122002520 U CN 202122002520U CN 215628096 U CN215628096 U CN 215628096U
- Authority
- CN
- China
- Prior art keywords
- rotary joint
- converter
- cooling system
- converter body
- body cooling
- 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
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a rotary joint device capable of quickly replacing a cooling system of a converter body, which comprises a replacing assembly, a rotating joint and a connecting pipe, wherein the replacing assembly comprises a rotating joint and a connecting pipe which is arranged at one end of the rotating joint and communicated with the rotating joint; and the cooling assembly is arranged on one side of the replacing assembly and comprises a first rotary joint rotor arranged at one end of the rotary joint and a second rotary joint rotor arranged at one end of the first rotary joint rotor. The device provided by the utility model has the advantages of simple structure and convenience in disassembly and assembly, greatly improves the stability and smoothness of the converter body cooling system, eliminates the rush-repair accident caused by water leakage of the rotary joint of the converter body cooling system, reduces the maintenance cost and the maintenance cost of the rotary joint of the converter body cooling system, and shortens the water leakage treatment time of the rotary joint.
Description
Technical Field
The utility model relates to the technical field of a converter body cooling system, in particular to a rotary joint device capable of quickly replacing the converter body cooling system.
Background
The cooling of a converter body in the metallurgical industry is an important link part in the metallurgical process. The converter body can generate extremely high heat radiation in the smelting production process, the heat radiation carries out heat transfer to a converter mouth, an apron plate, a converter shell and a converter trunnion ring through a converter lining and a converter mouth position, equipment water carries out forced cooling on the converter mouth, a converter cone and the converter trunnion ring part with higher heat radiation from a cooling pipeline arranged in the middle of a trunnion ring trunnion through a converter rotary joint, and cooling water after the equipment is cooled returns to the rotary joint to be discharged. In the process, after the rotary joint of the converter is subjected to long-term rotary wear or the sealing element is naturally aged, the sealing effect of the rotary joint is degraded or failed, and the service life and the site safety of the converter body are influenced; when the water leakage amount of the rotary joint is large, the safety hazard accidents caused by non-stop of a corresponding casting machine of a single converter and field water accumulation can be even influenced, and the rotary joint of the currently used cooling system has the advantages of large monomer weight, large volume, long treatment time of the leakage accidents and unsatisfactory treatment effect. According to workshop statistics, the time from the online to the first repair of a new rotary joint is about 2.5 years, the service life of the repaired rotary joint is averagely 3 to 5 months and is in a decreasing trend, and the repaired rotary joint generally has no repair condition after the repair service life is 5 times, so that the replacement condition is achieved. The accumulated service life of the new rotary joint from the online to the offline is about 4 years, the repaired rotary joint is quite unstable in the using process, the processing time is extremely long, the repairing time required for each water leakage is 4-6 hours averagely, the smelting period is calculated according to 40 minutes, the steel yield is influenced by about 6-9 furnaces, the single-furnace steel output is calculated according to 158t, the efficiency is influenced by 948 t-1422 t molten steel, and the rotary joint leaks large water and simultaneously brings about the risk megaterial accident of water accumulation in the production area and other risks such as equipment damage after the cooling effect of the converter body is poor.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems associated with the prior art rotary joint arrangement for a converter body cooling system that is quickly replaceable.
Therefore, the utility model aims to solve the problems that the rotating joint of the cooling system used at present is heavy in weight, large in volume, long in leakage accident treatment time and not ideal in treatment effect.
In order to solve the technical problems, the utility model provides the following technical scheme: the rotary joint device capable of rapidly replacing the cooling system of the converter body comprises a replacing assembly, a rotating joint and a connecting pipe, wherein the replacing assembly comprises the rotating joint and the connecting pipe is arranged at one end of the rotating joint and is communicated with the rotating joint; and the cooling assembly is arranged on one side of the replacing assembly and comprises a first rotary joint rotor arranged at one end of the rotary joint and a second rotary joint rotor arranged at one end of the first rotary joint rotor.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the rotary joint further comprises a rotary joint flange and a bolt, wherein the rotary joint flange is arranged on one side and communicated with the rotary joint flange, and the bolt is arranged inside the rotary joint flange.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the connecting pipe also comprises a water inlet pipeline and a first stop valve, wherein the water inlet pipeline is arranged at one end and communicated with the water inlet pipeline, and the first stop valve is arranged on the outer side of the water inlet pipeline.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the first rotary joint rotor further comprises a water return part stator arranged at one end and a second stop valve arranged at the other end.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the backwater part stator further comprises a backwater pipeline arranged inside, and one end of the backwater pipeline is communicated with one side of the backwater part stator.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the second rotary joint rotor further comprises an integrated pipeline arranged at one end and communicated with the second rotary joint rotor, and the integrated pipeline is communicated with the water return part stator.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the second rotary joint rotor further comprises a water return cavity arranged inside and a converter trunnion connecting flange arranged at one end.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the converter trunnion connecting flange also comprises a converter water cooling hole arranged at one end.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the converter trunnion connecting flange also comprises a converter cone arranged at one end of the converter water cooling opening.
As a preferred embodiment of the rotary joint device of the converter body cooling system of the present invention, which can be replaced quickly, there is provided: the converter trunnion connecting flange also comprises a converter drag ring arranged at one end of the converter cone.
The utility model has the beneficial effects that: in the utility model, when water leakage occurs in the rotary joint 101, the time period of low calorific value of the converter is as follows: the first stop valve 102a-1 and the second stop valve 201b are closed at the gap of the slag at the hole-enlarging or furnace-striking hole, the bolts 101a-1 on the rotary joint flanges 101a at the two ends of the water inlet rotary joint 101 are quickly removed, the water-leaking rotary joint 101 is taken away and replaced, the bolts 101a-1 on the rotary joint flanges 101a at the two ends of the water inlet rotary joint 101 are tightened, the first stop valve 102a-1 and the second stop valve 201b are opened again for water testing, the whole rotary joint 101 interface is ensured to be free from leakage, the whole process of quickly replacing the rotary joint is completed, the whole device has simple and light structure, the rotary joint can be quickly replaced without influencing the production rhythm, the backwater pressure is low according to the field use condition, the backwater has no influence on a cooling system, and as long as the water inlet rotary joint with large pressure and large influence on the cooling system is quickly disassembled and replaced, handling proruption rotary joint accident of leaking in the convenient production process, the reliability improves greatly, and whole device structural reliability is high, with low costs, has guaranteed converter body cooling system's reliability promptly, has realized mobility and the rapidity of proruption processing of leaking again, has solved former structural design defect, has realized converter body cooling system rotary joint's quick replacement. But quick replacement rotary joint device, moreover, the steam generator is simple in structure, and easy dismounting, the stable direct motion of converter body cooling system has been improved greatly, eliminate the accident of salvageing because of converter body cooling system rotary joint leaks and causes, the maintenance cost and the maintenance cost of converter body cooling system rotary joint have been reduced, the rotary joint processing time that leaks has been shortened, quick replacement's design, the very big converter body cooling system rotary joint processing time that shortens, it does not account for the production time rapid processing trouble to have realized, the processing of leaking only need two and two 12 cun adjustable spanner can, and basically, technical requirement does not have, the rotary joint processing degree of difficulty that leaks has been reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a flow chart of a rotary joint cooling system of a rotary joint device for a converter body cooling system capable of quick replacement.
FIG. 2 is a rotary joint structure view of a rotary joint device for a converter body cooling system capable of being rapidly replaced.
FIG. 3 is a schematic view of the quick change of rotary joint of the quick change rotary joint device of the converter body cooling system.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 3, a first embodiment of the present invention provides a rotary joint device for a converter body cooling system, which can be replaced quickly, and includes a replacement assembly 100 and a cooling assembly 200, wherein the replacement assembly 100 is provided to facilitate replacement and save time, and the cooling assembly 200 is provided to cool the device.
Specifically, the replacing assembly 100 includes a rotary joint 101 and a connecting tube 102 disposed at one end of the rotary joint 101 and communicated therewith. By providing the connection pipe 102 at one end of the rotary joint 101, water can be conveniently introduced from the connection pipe 102, which facilitates cooling of the apparatus.
Preferably, the cooling assembly 200, disposed on one side of the replacement assembly 100, includes a first rotary joint rotor 201 disposed on one end of the rotary joint 101, and a second rotary joint rotor 202 disposed on one end of the first rotary joint rotor 201. Through setting up first rotary joint rotor 201 and second rotary joint rotor 202, can make things convenient for the cooling water to circulate, improved the cooling effect.
When using, change subassembly 100 through setting up, can conveniently change, save time, and through setting up cooling module 200, can cool off the device, equipment cooling water gets into rotary joint 101, the first rotary joint rotor 201 of flow direction, rethread second rotary joint rotor 202 can conveniently circulate the cooling water, conveniently cools off, and the rotary joint 101 through setting up also can conveniently be changed simultaneously, has saved the manpower, has improved production efficiency.
Example 2
Referring to fig. 1 to 3, a second embodiment of the present invention is based on the above embodiment.
Specifically, the rotary joint 101 further includes a rotary joint flange 101a disposed at one side and communicating therewith, and bolts 101a-1 disposed inside the rotary joint flange 101 a. The rotary joint 101 can be conveniently disassembled and replaced by arranging the rotary joint flange 101a and the bolts 101a-1 at one side of the rotary joint 101.
Preferably, the connection pipe 102 further includes a water inlet pipe 102a disposed at one end and communicated therewith, and a first shut-off valve 102a-1 disposed outside the water inlet pipe 102 a. By arranging the water inlet pipe 102a and the first stop valve 102a-1, the first stop valve 102a-1 can be closed conveniently when the rotary joint 101 is replaced, and the safety is improved.
When using, change subassembly 100 through setting up, can conveniently change, save time, and through setting up cooling module 200, can cool off the device, equipment cooling water passes through inlet channel 102a and gets into rotary joint 101, flow to first rotary joint rotor 201, rethread second rotary joint rotor 202, can conveniently circulate the cooling water, conveniently cool off, also can conveniently change through the rotary joint 101 that sets up simultaneously, the manpower has been saved, the production efficiency is improved, wherein when rotary joint 101 takes place to leak, utilize the little time quantum of converter calorific capacity if: the first stop valve 102a-1 and the second stop valve 201b are closed in a process hole expanding or furnace slag tapping clearance, bolts 101a-1 on rotary joint flanges 101a at two ends of a water inlet rotary joint 101 are quickly dismounted, the water leaking rotary joint 101 is taken away and replaced, the bolts 101a-1 on the rotary joint flanges 101a at two ends of the water inlet rotary joint 101 are tightened, the first stop valve 102a-1 and the second stop valve 201b are opened again for water testing, the whole process of quickly replacing the rotary joint is completed after the interface of the whole rotary joint 101 is ensured to be free from leakage, the whole device is simple and light in structure, and the rotary joint can be quickly replaced without affecting the production rhythm.
Example 3
Referring to FIGS. 1-3, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the first rotary joint rotor 201 further includes a water return portion stator 201a provided at one end, and a second stop valve 201b provided at the other end. Through setting up second stop valve 201b, can close simultaneously when changing rotary joint 101, ensured the security.
Preferably, the water returning part stator 201a further includes a water returning pipe 201a-1 disposed therein, and one end of the water returning pipe 201a-1 is communicated with one side of the water returning part stator 201 a. By arranging the water return pipeline 201-1, cooling water can be circulated conveniently, and equipment can be cooled conveniently.
Preferably, the second rotary joint rotor 202 further comprises an integrated pipe 202a disposed at one end and communicated therewith, and the integrated pipe 202a is communicated with the water return portion stator 201 a. By providing the integrated pipe 202a, the cooling water can be conveniently circulated through the integrated pipe 202 a.
Preferably, the second rotary joint rotor 202 further includes a water returning chamber 202b provided inside, and a converter trunnion connecting flange 202c provided at one end. By providing the water return chamber 202b, the cooling water can be circulated conveniently.
Preferably, the converter trunnion attachment flange 202c further comprises a converter water cooling port 202c-1 disposed at one end. The equipment can be rapidly cooled conveniently through the arranged converter water cooling opening 202 c-1.
Preferably, the converter trunnion attachment flange 202c further comprises a converter cone 202c-2 disposed at one end of the converter water cooling port 202 c-1. The converter cone 202c-2 can be conveniently matched with a converter water cooling port 202c-1 for use, and the cooling operation is completed.
Preferably, the converter trunnion attachment flange 202c further includes a converter drag ring 202c-3 disposed at one end of the converter cone 202 c-2. The cooling process of the converter body equipment can be completed through the arranged converter dragging ring 202 c-3.
When using, change subassembly 100 through setting up, can conveniently change, save time, and through setting up cooling module 200, can cool off the device, equipment cooling water passes through inlet channel 102a and gets into rotary joint 101, flow to first rotary joint rotor 201, rethread second rotary joint rotor 202, can conveniently circulate the cooling water, conveniently cool off, also can conveniently change through the rotary joint 101 that sets up simultaneously, the manpower has been saved, the production efficiency is improved, wherein when rotary joint 101 takes place to leak, utilize the little time quantum of converter calorific capacity if: the first stop valve 102a-1 and the second stop valve 201b are closed by a process reaming or tapping slag clearance, the bolts 101a-1 on the rotary joint flanges 101a at the two ends of the water inlet rotary joint 101 are quickly removed, the water-leaking rotary joint 101 is taken away and replaced, the bolts 101a-1 on the rotary joint flanges 101a at the two ends of the water inlet partial rotary joint 101 are tightened, the first stop valve 102a-1 and the second stop valve 201b are opened again for water testing, the whole rotary joint 101 interface is ensured to be free from leakage, the whole process of quickly replacing the rotary joint is completed, the whole device is simple and light in structure, the rotary joint can be quickly replaced without influencing the production rhythm, equipment cooling water enters the rotary joint 101 through the water inlet pipeline 102a and flows to the first rotary joint rotor 201, and then passes through the converter water cooling furnace mouth 202c-1 according to the designed flow direction sequence by the integrated pipeline 202a in the second rotary joint rotor 202, after the converter water-cooling furnace mouth 202c-1 is cooled, the cooled converter water returns to the integrated pipeline 202a in the second rotary joint rotor 202 and then flows to the converter cone 202c-2, after the converter cone 202c-2 is cooled, the cooled converter water returns to the integrated pipeline 202a in the second rotary joint rotor 202 and then flows to the converter backing ring 202c-3 again, after the converter backing ring 202c-3 is cooled, the converter backing ring returns to the water return cavity 202b in the second rotary joint rotor 202, the equipment water flows to the water return pipeline 202a-1 through the water return part stator 201a to complete the equipment cooling process of the converter body, the whole device has simple and light structure, can realize quick replacement of the rotary joint without influencing the production rhythm, has low water return pressure and no influence on a cooling system according to the field use condition, and only needs to realize quick disassembly and replacement of the water inlet part rotary joint with large influence on the cooling system, handling proruption rotary joint accident of leaking in the convenient production process, the reliability improves greatly, and whole device structural reliability is high, with low costs, has guaranteed converter body cooling system's reliability promptly, has realized mobility and the rapidity of proruption processing of leaking again, has solved former structural design defect, has realized converter body cooling system rotary joint's quick replacement. But quick replacement rotary joint device, moreover, the steam generator is simple in structure, and easy dismounting, the stable direct motion of converter body cooling system has been improved greatly, eliminate the accident of salvageing because of converter body cooling system rotary joint leaks and causes, the maintenance cost and the maintenance cost of converter body cooling system rotary joint have been reduced, the rotary joint processing time that leaks has been shortened, quick replacement's design, the very big converter body cooling system rotary joint processing time that shortens, it does not account for the production time rapid processing trouble to have realized, the processing of leaking only need two and two 12 cun adjustable spanner can, and basically, technical requirement does not have, the rotary joint processing degree of difficulty that leaks has been reduced.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. But revolving joint device of converter body cooling system quick replacement, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the replacing assembly (100) comprises a rotary joint (101) and a connecting pipe (102) which is arranged at one end of the rotary joint (101) and communicated with the rotary joint; and the number of the first and second groups,
the cooling assembly (200) is arranged on one side of the replacing assembly (100) and comprises a first rotary joint rotor (201) arranged at one end of the rotary joint (101) and a second rotary joint rotor (202) arranged at one end of the first rotary joint rotor (201).
2. The rotary joint assembly for rapid replacement of a converter body cooling system as recited in claim 1, wherein: the rotary joint (101) further comprises a rotary joint flange (101a) arranged on one side and communicated with the rotary joint flange, and bolts (101a-1) arranged inside the rotary joint flange (101 a).
3. The rotary joint assembly for rapid replacement of a converter body cooling system as set forth in claim 2, wherein: the connecting pipe (102) further comprises a water inlet pipeline (102a) arranged at one end and communicated with the water inlet pipeline, and a first stop valve (102a-1) arranged outside the water inlet pipeline (102 a).
4. The rotary joint device for the quick replacement of a converter body cooling system according to claim 2 or 3, wherein: the first rotary joint rotor (201) further comprises a water return part stator (201a) arranged at one end, and a second stop valve (201b) arranged at the other end.
5. The rotary joint assembly for rapid replacement of a converter body cooling system according to claim 4, wherein: the water return part stator (201a) further comprises a water return pipeline (201a-1) arranged inside, and one end of the water return pipeline (201a-1) is communicated with one side of the water return part stator (201 a).
6. The rotary joint assembly for rapid replacement of a converter body cooling system according to claim 5, wherein: the second rotary joint rotor (202) further comprises an integrated pipeline (202a) arranged at one end and communicated with one end, and the integrated pipeline (202a) is communicated with the water return part stator (201 a).
7. The rotary joint device for the quick replacement of a cooling system of a converter body according to claim 5 or 6, wherein: the second rotary joint rotor (202) further comprises a water return cavity (202b) arranged inside and a converter trunnion connecting flange (202c) arranged at one end.
8. The rotary joint assembly for rapid replacement of a converter body cooling system according to claim 7, wherein: the converter trunnion connecting flange (202c) also comprises a converter water cooling hole (202c-1) arranged at one end.
9. The rotary joint assembly for rapid replacement of a converter body cooling system as recited in claim 8, wherein: the converter trunnion connecting flange (202c) also comprises a converter cone (202c-2) arranged at one end of the converter water cooling opening (202 c-1).
10. The rotary joint assembly for rapid replacement of a converter body cooling system as recited in claim 9, wherein: the converter trunnion connecting flange (202c) also comprises a converter drag ring (202c-3) arranged at one end of the converter cone body (202 c-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122002520.4U CN215628096U (en) | 2021-08-24 | 2021-08-24 | Rotary joint device capable of quickly replacing converter body cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122002520.4U CN215628096U (en) | 2021-08-24 | 2021-08-24 | Rotary joint device capable of quickly replacing converter body cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215628096U true CN215628096U (en) | 2022-01-25 |
Family
ID=79901444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122002520.4U Active CN215628096U (en) | 2021-08-24 | 2021-08-24 | Rotary joint device capable of quickly replacing converter body cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215628096U (en) |
-
2021
- 2021-08-24 CN CN202122002520.4U patent/CN215628096U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105969924B (en) | A kind of cooling water pipe of cooling wall of blast furnace restorative procedure and its structure and suppress leak finding device | |
| US11746674B2 (en) | Steam turbine and method for internally cooling the same | |
| CN215628096U (en) | Rotary joint device capable of quickly replacing converter body cooling system | |
| CN202823211U (en) | Oppositely-mixing spiral mixer | |
| CN110923392A (en) | Horizontal sliding plate slag blocking and flow control device for converter | |
| CN216842274U (en) | But quick assembly disassembly's centrifugal fan | |
| CN216132298U (en) | Cooling and waste heat recovery device for producing pellets by shaft furnace | |
| CN105219915A (en) | A kind of continuous adjustable aqueous vapor atomization converter shell epimere refrigerating unit | |
| CN113234877B (en) | Blast furnace uniform blast system and method capable of reducing thermal shock | |
| CN105542802B (en) | A kind of cork dry quenching disposable dedusting water cold sleeve | |
| CN203419489U (en) | Fast manhole opening and closing device of dry quenching rotating seal valve | |
| CN212284221U (en) | Cooling system of crushing roller | |
| CN108285942A (en) | A kind of pelletizer and its drive system with refrigerating function | |
| CN107090314A (en) | The cooling means and cooling system of gasification burner tip | |
| CN102695850A (en) | Cooling method and device in single-flow turbine | |
| CN219736010U (en) | Tubular cooling device for cooling kiln | |
| CN111589522A (en) | Crushing roller cooling system and cooling method | |
| CN205996145U (en) | Improved fan-shaped sections of slab continuous chiller | |
| CN218083575U (en) | Cooling device of rubber mixing equipment | |
| CN110423626A (en) | Dry coke quenching primary dedusting van-type coke powder cooling device | |
| CN209578194U (en) | A kind of Tailstock of Heavy Horizontal Lathe drive system | |
| CN209978591U (en) | Wind guide wall water beam of shaft furnace | |
| CN217615075U (en) | Resistance reduction improved structure of raw material vertical mill | |
| CN215481036U (en) | Cooling device of reduction furnace | |
| CN108223951A (en) | A kind of replaceable vacuum wear-resistant bend device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |