CN209783267U - Chemical converter - Google Patents
Chemical converter Download PDFInfo
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- CN209783267U CN209783267U CN201920468819.9U CN201920468819U CN209783267U CN 209783267 U CN209783267 U CN 209783267U CN 201920468819 U CN201920468819 U CN 201920468819U CN 209783267 U CN209783267 U CN 209783267U
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Abstract
The utility model relates to the technical field of chemical industry, in particular to a chemical converter, which comprises a converter body, a feeding pipe and a material collecting box; the two opposite ends of the furnace body are respectively a material feeding end and a fuel gas inlet end; the feeding pipe is arranged outside the furnace body in a surrounding manner and rotates coaxially with the furnace body; the feeding pipe is spirally arranged in a direction opposite to the rotation direction of the furnace body from the fuel gas inlet end of the furnace body to the material feeding end; a gap is formed between the surface of the feeding pipe and the surface of the furnace body; one end of the feeding pipe close to the fuel inlet end is communicated with the furnace body; the material collecting box is arranged outside the furnace body and rotates coaxially with the furnace body. The utility model discloses the utilization is encircleed and is set up outside the furnace body and pivoted conveying pipe thereupon, has realized the transport of high temperature material, heat dissipation operation, has solved the axial tension deformation of furnace body under high temperature and has caused the problem sealed and that the blanking precision is low, has improved the leakproofness between furnace body and the conveyor.
Description
Technical Field
The utility model relates to a chemical industry technical field especially relates to a chemical converter.
background
The furnace body of the chemical converter continuously rotates in the working process, and the axial extension of the chemical converter can reach about 100mm at most due to the high temperature; the discharging system has the main function of transferring the materials from the furnace to the outside of the furnace, and then carrying out bagging and packaging after transferring and cooling. Due to the continuous rotation characteristic of the furnace body and the problem of axial extension, but the transferring and packaging system is relatively fixed, the discharging system must be a set of dynamic and static combined mechanism. In addition, the materials with the high temperature of more than 500 ℃ need to be cooled to the temperature of less than 80 ℃ in the process from discharging to transferring, so that the materials can be conveniently bagged and packaged. In addition, the mixed materials heated at high temperature in the furnace body can generate strong harmful high-temperature volatile smoke, so the dynamic and static joints must be sealed, and the smoke cannot leak along with the materials.
The existing chemical converter discharging system is generally conveyed by a screw conveyor, a sealing structure generally comprises a radial labyrinth sealing device, an axial labyrinth sealing device, a contact asbestos rope sealing device, a contact asbestos cloth sealing device, a movable ring and a stationary ring pressing device, a sealing device, a cast iron piston ring sealing discharging device and the like, and cooling operation comprises common means such as blowing by a fan or spontaneous diffusion heat dissipation by air in the transfer process. The converter discharging system has various defects, particularly as follows:
1) the material conveying mode guided out by adopting the furnace body helical blade is only suitable for labyrinth sealing, the sealing effect is general, the problems of air leakage, material leakage and the like exist, the discharging temperature of the material is basically the same as that of the furnace body, and the subsequent operation is not facilitated; 2) the sealing means of the spiral blade conveyor is divided into asbestos packing seal, dynamic and static ring seal or cast iron piston ring seal. The sealing mode of the dynamic and static ring sealing is that the discharge port moves along with the extension of the furnace body, and the extension can only be compensated by adopting the telescopic joint, so that the blanking accuracy is influenced; the sealing mode of asbestos packing and cast iron piston ring has the defects of small size, large abrasion, limited axial expansion amount and the like; 3) the existing conveyor generally comprises a set of equipment such as a motor, a speed reducer and the like, the structure is relatively complex, the cost and fault points are increased, and the cooling effect of materials in the conveyor is poor; 4) the cooling modes all need to be cooled outside the furnace, and generally air is blown on a transferred belt or a spiral conveyor or is cooled through air diffusion, so that raised dust or smoke is easily caused to continuously volatilize, the use space is increased, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
the utility model discloses the technical problem that will solve is: the chemical converter can improve the sealing performance and cooling efficiency of a material conveying process and solve the problem that blanking precision is not enough due to axial deformation of a furnace body.
In order to solve the technical problem, the utility model discloses a technical scheme be: a chemical converter comprises a converter body, a feeding pipe and a material collecting box;
The two opposite ends of the furnace body are respectively a material feeding end and a fuel gas inlet end;
The feeding pipe is arranged outside the furnace body in a surrounding manner and rotates coaxially with the furnace body;
The feeding pipe is spirally arranged in a direction opposite to the rotation direction of the furnace body from the fuel gas inlet end of the furnace body to the material feeding end;
A gap is formed between the surface of the feeding pipe and the surface of the furnace body;
one end of the feeding pipe close to the fuel inlet end is communicated with the furnace body;
The material collecting box is arranged outside the furnace body and coaxially rotates with the furnace body, and one end of the feeding pipe, which is far away from the fuel air inlet end, is connected with the material collecting box.
In an alternative embodiment, the helical angle of one end of the feeding pipe close to the fuel inlet end of the furnace body is smaller than that of the other end.
In an optional embodiment, the material collecting box and the feeding pipe are both arranged on the surface of the furnace body and rotate along with the furnace body.
In an optional embodiment, the material collecting box is arranged on the circumferential surface of the furnace body, and one end of the feeding pipe, which is far away from the fuel air inlet end, is provided with a connecting port connected with the material collecting box.
in an optional embodiment, the chemical converter further comprises a discharge barrel, the discharge barrel is covered outside the material collecting box, a gap is formed between the inner wall of the discharge barrel and the outer wall of the material collecting box, and a blanking port communicated with the inner cavity of the discharge barrel is arranged on the outer wall of the material collecting box.
in an optional embodiment, the chemical converter further comprises a mounting frame, the converter body is rotatably mounted on the mounting frame through a supporting roller, and the discharging barrel is fixed on the mounting frame.
In an optional embodiment, a connecting pipe communicated with the feeding pipe is arranged on the furnace body, and the feeding pipe and the connecting pipe are made of stainless steel.
The beneficial effects of the utility model reside in that: the chemical rotary furnace comprises a furnace body, a feeding pipe and a material collecting box, and can transfer materials from a rotating furnace body inner cavity into a fixed discharging barrel without a special spiral conveyor, so that the equipment cost, the power consumption cost of the conveyor and the power consumption cost for overcoming the friction force of a sealing structure are saved; the feeding pipe can prevent high-temperature volatile smoke in the furnace body from leaking to the outside without additionally designing a sealing device between the furnace body and the conveyor, so that pollution is avoided; the surface of the feeding pipe and the surface of the furnace body are provided with gaps, so that the heat exchange efficiency of the material in the feeding pipe and the outside is improved, and the subsequent packaging and other operations are facilitated; the problems of change of blanking position, unstable sealing and reduction of heat dissipation efficiency caused by furnace body rotation and heated axial extension are effectively solved; the whole structure is compact, and the occupied area is saved. The utility model discloses the utilization is encircleed and is set up outside the furnace body and pivoted conveying pipe thereupon, has realized the transport of high temperature material, heat dissipation operation, has solved the axial tension deformation of furnace body under high temperature and has caused the problem sealed and that the blanking precision is low, has improved the leakproofness between furnace body and the conveyor.
drawings
Fig. 1 is a schematic structural diagram of a chemical converter according to an embodiment of the present invention;
FIG. 2 is a front view of a chemical converter according to an embodiment of the present invention;
description of reference numerals:
1-furnace body; 11-an inner liner layer; 13-material feed end; 14-fuel intake end;
2-a feeding pipe; 21-a connecting flange; 22-a fixed seat; 23-connection port;
3-collecting box; 31-a blanking port; 32-an aggregate baffle;
4-discharging barrel; 41-fixed base; 42-upper cover;
And 5, mounting the frame.
Detailed Description
in order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the conveying and heat dissipation operation of high-temperature materials is realized by utilizing the feeding pipe which is arranged outside the furnace body in a surrounding manner and rotates along with the furnace body, the problems of sealing and low blanking precision caused by axial stretching deformation of the furnace body at high temperature are solved, and the sealing performance between the furnace body and the conveying device is improved.
referring to fig. 1 to 2, a chemical converter includes a furnace body, a feeding pipe and a collecting box;
the two opposite ends of the furnace body are respectively a material feeding end and a fuel gas inlet end;
The feeding pipe is arranged outside the furnace body in a surrounding manner and rotates coaxially with the furnace body;
The feeding pipe is spirally arranged in a direction opposite to the rotation direction of the furnace body from the fuel gas inlet end of the furnace body to the material feeding end;
A gap is formed between the surface of the feeding pipe and the surface of the furnace body;
One end of the feeding pipe close to the fuel inlet end is communicated with the furnace body;
The material collecting box is arranged outside the furnace body and coaxially rotates with the furnace body, and one end of the feeding pipe, which is far away from the fuel air inlet end, is connected with the material collecting box.
From the above description, the beneficial effects of the present invention are: the furnace body is a universal chemical rotary reaction furnace and is supported by a riding wheel through a rolling ring, and the feeding pipe is arranged outside the furnace body in a surrounding manner; the material gets into from the material feed end of furnace body, and fuel gets into from the fuel inlet end of furnace body, and the horizontal position of the material feed end of furnace body is higher for the horizontal position of fuel inlet end, and the conveying pipe setting is in the one side of the fuel inlet end that is more close to on the furnace body, and the case that gathers materials sets up the one side of the material feed end that is more close to on the furnace body. The utility model discloses a rotary furnace, including the furnace body, the feed pipe is from the fuel inlet end of furnace body to the direction of material feed end with the direction spiral setting opposite with the rotation direction of furnace body, the furnace body is at the rotation in-process, the material is from the motion of material feed end to fuel inlet end, then get into in the feed pipe, the material in the feed pipe is opposite with the transport direction of the material in the furnace body, transport to collection workbin place one side, one side that the furnace body is close to the fuel inlet end is calcined more fully, the temperature is higher, the flue gas of formation moves towards one side of material feed end, discharge from the gas guide cylinder that sets up material feed end place one side of furnace body at last and retrieve, the self sealss of rotary furnace system has been realized, from carrying the function, need. Meanwhile, after the materials fall into the feeding pipe, the whole pipeline is filled, so the smoke in the furnace body can not enter the feeding pipe, the smoke mixed in the powdery finished product materials has higher temperature and certain corrosivity when entering the feeding pipe, and the high-temperature corrosivity of the finished product materials can be ignored after the finished product materials move and cool in the feeding pipe to the material collecting box; the material collecting box and the furnace body adopt a welding integrated design. The gas calcination and the flue gas exhaust of the inner cavity of the furnace body realize the transfer from the hot end (namely, the low end and the material discharge end) to the cold end (namely, the high end and the material feed end), which is more beneficial to the full calcination reaction of the materials, the full combustion of the fuel and the higher efficacy of the rotary furnace system. Furnace body and conveying pipe all can rise at the working process temperature, nevertheless because the temperature of the two is inequality, the material coefficient of thermal expansion is different, when axial extension or radial expansion took place for the furnace body, the volume of change of being heated of conveying pipe is not the same, because the heliciform design of the similar spring that the conveying pipe adopted, can be effectual axial or radial deformation according to the furnace body carry out corresponding compensation and stretch or compensation expansion.
Furthermore, the spiral angle of one end of the feeding pipe close to the fuel inlet end of the furnace body is smaller than that of the other end of the feeding pipe.
From the above description, the helical angle of one end of the feeding pipe close to the fuel inlet end of the furnace body is smaller, and the screw pitch is P1, so that the feeding route of the material is increased, and the effective heat dissipation length of the feeding pipe is increased; the helical angle of conveying pipe at the tip that is close to the case that gathers materials is great, and pitch is P2 for the conveying pipe passes the length of the case part that gathers materials less, and the length of dodging the breach that is used for connecting the conveying pipe that cuts out on the case that gathers materials promptly is less, is favorable to improving leakproofness and the stability of being connected between conveying pipe and the case that gathers materials like this.
Furthermore, the material collecting box and the feeding pipe are both arranged on the surface of the furnace body and rotate along with the furnace body.
According to the above description, the material collecting box is arranged on the surface of the furnace body and rotates along with the furnace body, and the feeding pipe is arranged on the surface of the furnace body through the fixing seat and rotates along with the furnace body, so that the rotating speeds of the feeding pipe, the feeding pipe and the furnace body are the same.
Furthermore, the material collecting box is arranged on the circumferential surface of the furnace body, and a connecting port connected with the material collecting box is arranged at one end, far away from the fuel air inlet end, of the feeding pipe.
according to the description, the shape and the installation position of the material collecting box can be designed according to the model of the furnace body, the connecting port is used for discharging materials in the feeding pipe, the feeding pipe penetrates through the avoidance notch on the side wall of the material collecting box and is connected with the material collecting box in a welding mode, the welding line is full-welded, and the sealing performance is guaranteed.
Further, the chemical converter still includes a discharge barrel, the discharge barrel cover is located outside the material collecting box, a gap is provided between the inner wall of the discharge barrel and the outer wall of the material collecting box, and a blanking port which is communicated with the inner cavity of the discharge barrel is arranged on the outer wall of the material collecting box.
according to the description, the discharging barrel is fixed in position, when the blanking port rotates to the lower half part of the horizontal bisection surface of the collecting box, the materials in the collecting box fall into the discharging barrel through the blanking port, and then are directly bagged or are transported to an ideal position by a transporting machine for packaging and bagging according to the process requirements; because the clearance has between the inner wall of play feed cylinder and the outer wall of case that gathers materials, the width that goes out the feed cylinder promptly is greater than the width of case that gathers materials, leaves the space for furnace body axial extension after being heated, prevents that the two from taking place to interfere, has guaranteed blanking precision and device safety.
Furthermore, the chemical converter further comprises a mounting frame, the converter body is rotatably mounted on the mounting frame through a supporting roller, and the discharging barrel is fixed on the mounting frame.
As can be seen from the above description, the mounting bracket is used for respectively mounting the furnace body and the discharging barrel, so that the stable operation of the device is ensured.
Furthermore, a connecting pipe communicated with the feeding pipe is arranged on the furnace body, and the feeding pipe and the connecting pipe are made of stainless steel.
According to the above description, the feeding pipe is communicated with the connecting pipe, the rest openings are welded by the sealing plates, when the connecting pipe rotates to the lower half part of the horizontal split surface of the furnace body, the material in the furnace body falls into the feeding pipe through the connecting pipe, and the material is conveyed and subjected to heat exchange operation in the feeding pipe. The conveying pipe and the connecting pipe are made of stainless steel, so that the conveying pipe and the connecting pipe can be prevented from being corroded by high-temperature materials and smoke, the heat dissipation performance of the conveying pipe can be improved, and the cooling efficiency of the materials in the conveying pipe can be further improved by matching with an air cooling device.
furthermore, the inner wall of the furnace body is provided with an inner liner.
as can be seen from the above description, the working temperature of the inner cavity of the furnace body is generally up to 1000 ℃, the lining layer is adopted as a refractory brick or a high-temperature-resistant cement casting material to isolate the high temperature and corrosive flue gas in the furnace, prevent the metal inner wall of the furnace body from being corroded, and keep the temperature of the metal wall within the range of 120-150 ℃.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is: a chemical converter comprises a converter body 1, a feeding pipe 2 and a material collecting box 3;
The two opposite ends of the furnace body 1 are respectively a material feeding end 13 and a fuel gas inlet end 14;
The feeding pipe 2 is arranged around the furnace body 1 and rotates coaxially with the furnace body 1;
The feeding pipe 2 is spirally arranged from one end close to the fuel inlet end 14 of the furnace body 1 to one end close to the material feeding end 13 in a direction opposite to the rotation direction of the furnace body 1;
a gap is formed between the surface of the feeding pipe 2 and the surface of the furnace body 1;
One end of the feeding pipe 2 close to the fuel inlet end 14 is communicated with the furnace body 1;
The material collecting box 3 is arranged outside the furnace body 1 and rotates coaxially with the furnace body 1, and one end of the feeding pipe 2, which is far away from the fuel air inlet end 14, is connected with the material collecting box 3.
Referring to fig. 1 to fig. 2, a second embodiment of the present invention is: a chemical converter comprises a converter body 1, a feeding pipe 2 and a material collecting box 3;
The two opposite ends of the furnace body 1 are respectively a material feeding end 13 and a fuel gas inlet end 14;
the feeding pipe 2 is arranged around the furnace body 1 and rotates coaxially with the furnace body 1;
The feeding pipe 2 is spirally arranged from one end close to the fuel inlet end 14 of the furnace body 1 to one end close to the material feeding end 13 in a direction opposite to the rotation direction of the furnace body 1;
a gap is formed between the surface of the feeding pipe 2 and the surface of the furnace body 1;
One end of the feeding pipe 2 close to the fuel inlet end 14 is communicated with the furnace body 1;
The material collecting box 3 is arranged outside the furnace body 1 and rotates coaxially with the furnace body 1, and one end of the feeding pipe 2, which is far away from the fuel air inlet end 14, is connected with the material collecting box 3.
The furnace body 1 is in the shape of a cylindrical barrel with a hollow inner part. The fuel inlet end 14 of the furnace body 1 is provided with an access hole, so that the inner cavity and the material condition of the furnace body 1 can be conveniently observed, and workers can conveniently enter the furnace body 1 for maintenance.
the feeding pipe 2 is formed by splicing more than two semicircular pipelines, two adjacent semicircular pipelines are connected through connecting flanges 21 by bolts and nuts, and a sealing gasket is arranged between two adjacent connecting flanges 21.
The helical angle of one end of the feed pipe 2 close to the fuel inlet end 14 of the furnace body 1 is smaller than that of the other end.
The material collecting box 3 and the feeding pipe 2 are both arranged on the surface of the furnace body 1 and rotate along with the furnace body 1. The material collecting box 3 is arranged on the surface of the furnace body 1 and rotates along with the furnace body 1, the feeding pipe 2 is arranged on the surface of the furnace body 1 through a fixed seat 22 and rotates along with the furnace body 1, and the fixed seat 22 is welded on the outer wall of the furnace body 1.
the material collecting box 3 is arranged on the circumferential surface of the furnace body 1, a connecting port 23 connected with the material collecting box 3 is arranged at one end, away from the fuel air inlet end 14, of the feeding pipe 2, and the feeding pipe 2 penetrates through an avoiding notch in the side wall of the material collecting box 3 and is connected with the material collecting box 3 in a welding mode. The cross-sectional shape of the material collecting box 3 is U-shaped, the material collecting box 3 is formed by splicing two semicircular shells, the avoiding gap is formed in the splicing position of the two semicircular shells, and the two semicircular shells are buckled by two opposite sides of the furnace body 1 and then connected through welding.
Chemical converter still includes a feed cylinder 4, it locates outside the case 3 that gathers materials to go out feed cylinder 4 cover, the clearance has between the inner wall that goes out feed cylinder 4 and the outer wall that gathers materials case 3, the outer wall that gathers materials case 3 evenly is equipped with four blanking mouths 31 that switch on with the inner chamber that goes out the feed cylinder respectively. The clearance design between the inner wall of play feed cylinder 4 and the outer wall of case 3 that gathers materials is for being greater than 100mm (according to the flexible volume design that the furnace body of different specifications is heated), leaves the space for 1 axial stretch of furnace body, the both sides that the inner wall of case 3 that gathers materials is located blanking mouth 31 all are equipped with the baffle 32 that gathers materials, and the baffle 32 that gathers materials can enough regard as the strengthening rib that the reinforcing gathered materials case 3 intensity that gathers materials, can make the material that gathers materials in the case 3 again concentrate to blanking mouth 31, has improved blanking efficiency, is convenient for clear up.
Go out feed cylinder 4 and include unable adjustment base 41 and upper cover 42, unable adjustment base 41 is fixed motionless, and upper cover 42 passes through the bolt and 41 lockings of unable adjustment base, guarantees that external pollutant can not fall into the clearance between play feed cylinder 4 and the case 3 that gathers materials, avoids external pollution.
chemical industry converter still includes mounting bracket 5, furnace body 1 is supported by the riding wheel through rolling the circle and installs on mounting bracket 5, is equipped with gear revolve's transmission on the drive furnace body 1 on the mounting bracket 5, and transmission includes drive unit such as motor, gear train, go out feed cylinder 4 and fix on mounting bracket 5, go out feed cylinder 4 and gather between workbin 3, conveying pipe 2 and the furnace body 1 all contactless.
the furnace body 1 is provided with connecting pipes communicated with the feeding pipe 2, the projections of the two connecting pipes on the cross section of the furnace body 1 are uniformly distributed in the circumferential direction, and the feeding pipe 2 and the connecting pipes are made of stainless steel.
The inner wall of the furnace body 1 is provided with an inner liner layer 11. The lining layer 11 is made of refractory bricks or high-temperature-resistant cement pouring materials so as to isolate high temperature and corrosive smoke in the furnace.
to sum up, the utility model provides a chemical rotary furnace, which comprises a furnace body, a feeding pipe and a material collecting box, and can transfer materials from the inner cavity of the rotating furnace body to a fixed discharging barrel without a special screw conveyor, thereby saving the equipment cost, the power consumption cost of the conveyor and the power consumption cost for overcoming the friction force of a sealing structure; the feeding pipe can prevent high-temperature volatile smoke in the furnace body from leaking to the outside without additionally designing a sealing device between the furnace body and the conveyor, so that pollution is avoided; the surface of the feeding pipe and the surface of the furnace body are provided with gaps, so that the heat exchange efficiency of the material in the feeding pipe and the outside is improved, and the subsequent packaging and other operations are facilitated; the problems of change of blanking position, unstable sealing and reduction of heat dissipation efficiency caused by furnace body rotation and heated axial extension are effectively solved; the whole structure is compact, and the occupied area is saved. The utility model discloses the utilization is encircleed and is set up outside the furnace body and pivoted conveying pipe thereupon, has realized the transport of high temperature material, heat dissipation operation, has solved the axial tension deformation of furnace body under high temperature and has caused the problem sealed and that the blanking precision is low, has improved the leakproofness between furnace body and the conveyor.
the above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (7)
1. a chemical converter is characterized by comprising a converter body, a feeding pipe and a material collecting box;
The two opposite ends of the furnace body are respectively a material feeding end and a fuel gas inlet end;
the feeding pipe is arranged outside the furnace body in a surrounding manner and rotates coaxially with the furnace body;
the feeding pipe is spirally arranged in a direction opposite to the rotation direction of the furnace body from the fuel gas inlet end of the furnace body to the material feeding end;
a gap is formed between the surface of the feeding pipe and the surface of the furnace body;
One end of the feeding pipe close to the fuel inlet end is communicated with the furnace body;
The material collecting box is arranged outside the furnace body and coaxially rotates with the furnace body, and one end of the feeding pipe, which is far away from the fuel air inlet end, is connected with the material collecting box.
2. the chemical converter according to claim 1, wherein the feed pipe has a smaller helix angle at one end near the fuel inlet end of the furnace body than at the other end.
3. the chemical converter according to claim 1, wherein the material collecting box and the feeding pipe are both mounted on the surface of the furnace body and rotate with the furnace body.
4. the chemical converter according to claim 1, wherein the material collecting box is arranged on the circumferential surface of the converter body, and a connecting port connected with the material collecting box is arranged at one end of the feeding pipe, which is far away from the fuel air inlet end.
5. the chemical converter according to claim 1, further comprising a discharging barrel, wherein the discharging barrel is covered outside the material collecting box, a gap is formed between the inner wall of the discharging barrel and the outer wall of the material collecting box, and a blanking port communicated with the inner cavity of the discharging barrel is arranged on the outer wall of the material collecting box.
6. the chemical converter according to claim 5, further comprising a mounting frame, wherein the furnace body is rotatably mounted on the mounting frame through a supporting roller, and the discharging barrel is fixed on the mounting frame.
7. the chemical converter according to claim 1, wherein the furnace body is provided with a connecting pipe communicated with a feeding pipe, and the feeding pipe and the connecting pipe are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468819.9U CN209783267U (en) | 2019-04-09 | 2019-04-09 | Chemical converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468819.9U CN209783267U (en) | 2019-04-09 | 2019-04-09 | Chemical converter |
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| CN209783267U true CN209783267U (en) | 2019-12-13 |
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| CN201920468819.9U Active CN209783267U (en) | 2019-04-09 | 2019-04-09 | Chemical converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855423A (en) * | 2019-04-09 | 2019-06-07 | 厦工(三明)重型机器有限公司 | A kind of chemical converter |
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2019
- 2019-04-09 CN CN201920468819.9U patent/CN209783267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855423A (en) * | 2019-04-09 | 2019-06-07 | 厦工(三明)重型机器有限公司 | A kind of chemical converter |
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