CN206479029U - Burner - Google Patents
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- CN206479029U CN206479029U CN201720601873.7U CN201720601873U CN206479029U CN 206479029 U CN206479029 U CN 206479029U CN 201720601873 U CN201720601873 U CN 201720601873U CN 206479029 U CN206479029 U CN 206479029U
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- casing
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- sulphur
- valve port
- combustion chamber
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Abstract
The utility model discloses a kind of burner, it is related to mechanical engineering field, has reached and enabled combustion of sulfur continuous productive process, and the purpose for being easy to control to react.Main technical schemes of the present utility model are：A kind of burner, including：First casing, including combustion chamber, for the sulphur that burns；First casing is provided with gas outlet, for generation gas to be oriented into follow-up equipment；Second casing, second casing is connected with first casing；Tell that the second casing is provided with valve port, with the combustion chamber；The valve port is provided with connector, and the connector is used to be turned on and off the valve port；Second casing is provided with addition mouth, and the addition mouthful is in communication with the outside, for adding sulphur into second casing.The utility model is mainly used in the sulphur that burns.
Description
Technical field
The utility model is related to mechanical engineering field, more particularly to a kind of burner.
Background technology
In industrially prepared sulfurous acid, it is necessary to first prepare sulfur dioxide, then sulfur dioxide is reacted with water, so that
To sulfurous acid.But during sulfur dioxide is produced, it is necessary first to which sulphur fully burns with oxygen.In the prior art, generally
That the dolly for stacking sulphur is directly pushed into combustion chamber and burnt, but accumulation sulphur be difficult in burning control burning speed with
Time, it can only be controlled by the input quantity of air.Burnt a car sulphur every time simultaneously, is required for filler again, and heating is burnt,
Can not continuous productive process so that there is longer interval time centre, influence the follow-up related production work of factory.
Utility model content
In view of this, the utility model embodiment provides a kind of burner, and main purpose is so that combustion of sulfur can flow
Water operation, and it is easy to control to react.
To reach above-mentioned purpose, the utility model mainly provides following technical scheme：
The utility model embodiment provides a kind of burner, including：
First casing, including combustion chamber, for the sulphur that burns；First casing is provided with gas outlet, for will generate gas
Body is oriented to follow-up equipment；
Second casing, second casing is connected with first casing；Tell that the second casing is provided with valve port, with the combustion
Burn room connection；The valve port is provided with connector, and the connector is used to be turned on and off the valve port；Set on second casing
There is addition mouth, the addition mouthful is in communication with the outside, for adding sulphur into second casing.
Further, the connector is screw rod, and the one end fits of the screw rod are in the valve port, and the other end stretches out described
Second casing, and through bolt, the bolt is fixedly connected on second casing.
Further, the connector is pneumatic means, and the pneumatic means includes cylinder and piston, and the piston is slided
The cylinder is connected to, for being moved back and forth in the cylinder, the piston is provided with piston rod, the piston rod one
End is fixedly connected on the piston, and the other end is reached outside the cylinder, blocks the valve port.
Further, second casing is arranged on the first casing upper end.
Further, first casing includes diversion chamber, the diversion chamber and the combustion chamber, makes the burning
Room, the diversion chamber, the gas outlet are arranged in order；Multiple water conservancy diversion top plates and multiple water conservancy diversion bottoms are set in each diversion chamber
Plate；Each water conservancy diversion top plate is fixedly connected on first casing top, and has gap with first bottom half, institute
State water conservancy diversion bottom plate and be fixedly connected on first bottom half, and there is the gap with first casing top.
Further, second casing is provided with watch window, due to observing the sulphur in second casing.
Further, first casing is provided with the first liquid level sensor, when the sulphur that liquefied in first casing is less than the
During one preset value, first liquid level sensor makes the connector open the valve port.
Further, second casing is provided with the second liquid level sensor, and second liquid level sensor is connected to alarm
Device；When the sulphur that liquefied in second casing is less than the second preset value, the siren ring.
Further, first casing, which is provided with SO 2 sensor, first casing, has air inlet, with institute
Combustion chamber is stated, the SO 2 sensor is connected to the air inlet；When concentration of SO 2 gas is less than preset value
When, the SO 2 sensor controls the air inlet increase intake.
Further, in addition to burning car, the burning car is arranged in first casing, set on first casing
There is fire door, for making the burning car enter or leave first casing；The sulphur that liquefies flows into the burning car from the valve port,
Reacted in the burning in-car.
A kind of burner that the utility model embodiment is proposed, including：First casing and the second casing；First casing bag
Combustion chamber is included, for the sulphur that burns；First casing is provided with gas outlet, for production gas to be oriented into follow-up equipment；Second casing
It is connected with the first casing；Tell that the second casing is provided with valve port, with combustion chamber；Valve port is provided with connector, and connector is used to open
Open or close port；Second casing is provided with addition mouth, and addition mouth is in communication with the outside, for adding sulphur into the second casing.
In the prior art, it is typically that the dolly for stacking sulphur is directly pushed into combustion chamber to be burnt, but the sulphur of accumulation is difficult in burning
Speed and the time of burning are controlled, can only be controlled by the input quantity of air.Burnt a car sulphur every time simultaneously, is required for weight
New filler, heating burning, it is impossible to continuous productive process so that there is longer interval time centre, influences the follow-up related life of factory
Produce work.The utility model is then possible to continuous burning sulphur, can add sulphur to combustion chamber in combustion, form flowing water and make
Industry, without heating repeatedly, saves the time, effectively improves operating efficiency.And can then pass through valve port and connection using the second casing
Part controls reaction speed, time etc. to control to add the amount of sulphur into combustion chamber.The hyperthermia radiation of combustion chamber causes the simultaneously
The sulphur liquefaction accumulated in two casings, in the case where not influenceing combustion chamber operational, preheating liquefaction is carried out to the sulphur in the second casing,
One side valve port is easier to control the flow of liquid, has on the other hand saved the time that sulphur is warming up to liquid from solid, has effectively carried
High reaction speed so that operating efficiency is higher.
Brief description of the drawings
A kind of structural representation for burner that Fig. 1 provides for the utility model embodiment.
Embodiment
Further to illustrate that the utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes burner embodiment, structure, feature
And its effect, describe in detail as after.
As shown in figure 1, a kind of burner, including：
First casing 1, including combustion chamber 11, for the sulphur that burns；Above-mentioned first casing 1 is provided with gas outlet 12, for inciting somebody to action
Generate gas and be oriented to follow-up equipment；Harmful to air because combustion of sulfur produces sulfur dioxide, sulfuric acid, sulfurous acid can be become by meeting water,
There is corrosivity to object, it is therefore desirable to burnt using closed container, prevent sulfur dioxide from leaking.
Second casing 2, above-mentioned second casing 2 is connected with above-mentioned first casing 1；Tell that the second casing 2 is provided with valve port 21, with
Above-mentioned combustion chamber 11 is connected；Above-mentioned valve port 21 is provided with connector 22, and above-mentioned connector 22 is used to be turned on and off above-mentioned valve port 21；
Above-mentioned second casing 2 is provided with addition mouth, and above-mentioned addition mouthful is in communication with the outside, for adding sulphur into above-mentioned second casing 2.Make
Combustion of sulfur is enabled to realize continuous productive process with above-mentioned second casing 2, while the reacting dose of sulphur can be controlled, so as to control reaction
Speed.In order that the temperature of above-mentioned second casing 2 melts the solid sulfur of storage enough, can also pipeline, one end connection be set
In above-mentioned first casing 1, the other end is connected to above-mentioned second casing 2, the above-mentioned high-temperature gas of combustion chamber 11 is entered upper from pipeline
The second casing 2 is stated, promotes the liquefaction process of solid sulfur in above-mentioned second casing 2.Gas can be with liquid sulfur from above-mentioned valve simultaneously
Mouth 21 is back to above-mentioned combustion chamber 11, heat cycles, or is discharged from above-mentioned gas outlet 12.In order to prevent sulphur or sulfur dioxide from
Above-mentioned addition mouthful is run out of, and addition door 23 is set in above-mentioned addition mouthful, and single-ended to be articulated with the second casing 2, the other end is provided with handle,
It is easy to open, while provided with locking device, preventing gas or liquid from flowing out.
Below by way of burner in the present embodiment working process and principle illustrate in the present embodiment burning dress
Put：
The sulphur liquefaction in above-mentioned combustion chamber 11, above-mentioned second casing 2 is heated, mobile above-mentioned connector 22 opens above-mentioned valve
Mouthfuls 21, liquefaction sulphur flows into above-mentioned combustion chamber 11 from above-mentioned valve port 21, in above-mentioned combustion chamber 11 burning production sulfur dioxide and from upper
State gas outlet 12 and flow to follow-up equipment.
A kind of burner that the utility model embodiment is proposed, including：First casing and the second casing；First casing bag
Combustion chamber is included, for the sulphur that burns；First casing is provided with gas outlet, for production gas to be oriented into follow-up equipment；Second casing
It is connected with the first casing；Tell that the second casing is provided with valve port, with combustion chamber；Valve port is provided with connector, and connector is used to open
Open or close port；Second casing is provided with addition mouth, and addition mouth is in communication with the outside, for adding sulphur into the second casing.
In the prior art, it is typically that the dolly for stacking sulphur is directly pushed into combustion chamber to be burnt, but the sulphur of accumulation is difficult in burning
Speed and the time of burning are controlled, can only be controlled by the input quantity of air.Burnt a car sulphur every time simultaneously, is required for weight
New filler, heating burning, it is impossible to continuous productive process so that there is longer interval time centre, influences the follow-up related life of factory
Produce work.The utility model is then possible to continuous burning sulphur, can add sulphur to combustion chamber in combustion, form flowing water and make
Industry, without heating repeatedly, saves the time, effectively improves operating efficiency.And can then pass through valve port and connection using the second casing
Part controls reaction speed, time etc. to control to add the amount of sulphur into combustion chamber.The hyperthermia radiation of combustion chamber causes the simultaneously
The sulphur liquefaction accumulated in two casings, in the case where not influenceing combustion chamber operational, preheating liquefaction is carried out to the sulphur in the second casing,
One side valve port is easier to control the flow of liquid, has on the other hand saved the time that sulphur is warming up to liquid from solid, has effectively carried
High reaction speed so that operating efficiency is higher.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Above-mentioned connector 22 can be diversified forms, specifically, above-mentioned connector 22 is screw rod, one end of above-mentioned screw rod is matched somebody with somebody
Together in above-mentioned valve port 21, the other end stretches out above-mentioned second casing 2, and through bolt, above-mentioned bolt is fixedly connected on above-mentioned second
Casing 2.Using above-mentioned screw rod, the distance of above-mentioned screw rod and above-mentioned valve port 21 can be controlled by rotating above-mentioned screw rod, so that
The opening and closing of above-mentioned valve port 21 are controlled, control is added into the amount of the sulphur of above-mentioned combustion chamber 11, so as to control the generation of reaction.
Specifically, the screw rod being matched with above-mentioned valve port 21 can be frustum, can not only so control the unlatching of above-mentioned valve port 21
And closing, moreover it is possible to realize and the flow of liquid sulfur is controlled.
Above-mentioned connector 22 can be diversified forms, specifically, above-mentioned connector 22 is pneumatic means, above-mentioned pneumatic means
Including cylinder and piston, above-mentioned piston is slidably connected to above-mentioned cylinder, for being moved back and forth in above-mentioned cylinder, above-mentioned work
Piston rod is provided with beyond the Great Wall, above-mentioned piston rod one end is fixedly connected on above-mentioned piston, and the other end is reached outside above-mentioned cylinder, block
Above-mentioned valve port 21.Above-mentioned pneumatic means is the circle for carrying out straight reciprocating motion in above-mentioned cylinder using the above-mentioned piston of gas guiding
Cylindrical metal parts.Air expands mobile above-mentioned piston at the piston two ends of cylinder by air input, so as to control above-mentioned valve
The opening and closing of mouth 21, realize the automation of control.Specifically, the piston being matched with above-mentioned valve port 21 can be cone
Platform, can not only so control the opening and closing of above-mentioned valve port 21, moreover it is possible to realize and the flow of liquid sulfur is controlled.Using above-mentioned
Pneumatic means, can use operation automation, time saving and energy saving, and electrodeless control is reached to the flow of sulphur.
Because liquid sulfur has mobility, for the ease of flowing, specifically, above-mentioned second casing 2 is arranged on above-mentioned first
The upper end of casing 1.Above-mentioned second casing 2 is arranged on above-mentioned first casing 1, then can be using the deadweight of liquid sulfur from above-mentioned valve port
21 flow to above-mentioned combustion chamber 11, the extra power without providing, while enabling the solid sulfur for being added into above-mentioned second casing 2 complete
Face contacts the above-mentioned bottom surface of second casing 2, evenly contacts the heat radiation of above-mentioned first casing 1, the more conducively liquefaction of solid sulfur.
In order to prevent sulphur from directly being flowed out after being vaporized in above-mentioned combustion chamber 11 from above-mentioned gas outlet 12, specifically, above-mentioned first
Casing 1 includes diversion chamber 13, and above-mentioned diversion chamber 13 connects with above-mentioned combustion chamber 11, make above-mentioned combustion chamber 11, above-mentioned diversion chamber 13,
Above-mentioned gas outlet 12 is arranged in order；Multiple water conservancy diversion top plates 131 and multiple water conservancy diversion bottom plates 132 are set in above-mentioned diversion chamber 13；Each
Above-mentioned water conservancy diversion top plate 131 is fixedly connected on the above-mentioned top of first casing 1, and has gap with the above-mentioned bottom of first casing 1, each
Above-mentioned water conservancy diversion bottom plate 132 is fixedly connected on the above-mentioned bottom of first casing 1, and has above-mentioned gap with the above-mentioned top of first casing 1.
When aforesaid liquid sulphur burns in above-mentioned combustion chamber 11, part sulphur vaporization is had, is not burnt, on the one hand can not if flowing directly out
Used by follow-up equipment, be on the other hand expelled directly out environment can be polluted, and if vaporize sulphur and be condensate in the pipeline of transmission,
Pipeline formation can be blocked again.Above-mentioned diversion chamber 13 is set and used after above-mentioned water conservancy diversion top plate 131 and above-mentioned water conservancy diversion bottom plate 132,
Above-mentioned diversion chamber 13 need to be passed through from above-mentioned combustion chamber 11 by vaporizing sulphur, along above-mentioned water conservancy diversion top plate 131 and the above-mentioned table of water conservancy diversion bottom plate 132
Face, from above-mentioned gap outflow, fully contacted with air in this process so that vaporization combustion of sulfur, effectively reduce from it is above-mentioned go out
The amount for the vaporization sulphur that gas port 12 flows out.And above-mentioned water conservancy diversion top plate 131 and above-mentioned water conservancy diversion bottom plate more than 132 vaporize sulphur above-mentioned first
The path that casing 1 passes through is longer so that the probability that vaporization sulphur flows out without burning from above-mentioned gas outlet 12 is just smaller therefore above-mentioned
The quantity of water conservancy diversion top plate 131 and above-mentioned water conservancy diversion bottom plate 132 can be increased according to actual production requirement.
Because the sulphur in above-mentioned second casing 2 needs to be added to above-mentioned combustion chamber 11, even if for the ease of to above-mentioned second
Casing 2 adds sulphur, specifically, above-mentioned second casing 2 is provided with watch window, due to observing the sulphur in above-mentioned second casing 2.Add
Plus stating after watch window, staff can check the sulphur of storage in above-mentioned second casing 2 at any time, can enter as needed
Row addition so that combustion of sulfur will not be interrupted, while without waiting for continuous productive process can be formed.
In order to prevent the above-mentioned dry combustion method of first casing 1, specifically, above-mentioned first casing 1 is provided with the first liquid level sensor, when upper
When stating the sulphur that liquefied in the first casing 1 less than the first preset value, above-mentioned first liquid level sensor makes above-mentioned connector 22 open above-mentioned
Valve port 21.The usage amount of liquid sulfur in above-mentioned combustion chamber 11, and energy can be monitored at any time using above-mentioned first liquid level sensor
Above-mentioned connector 22 is enough controlled to open above-mentioned valve port 21, so that liquid make-up sulphur so that course of reaction is persistently carried out.
In order to prevent reaction from interrupting, specifically, above-mentioned second casing 2 is provided with the second liquid level sensor, above-mentioned second liquid level
Sensor is connected to siren；When liquefaction sulphur is less than the second preset value in above-mentioned second casing 2, above-mentioned siren ring.On
The sulphur for stating the first casing 1 derives from the supply of above-mentioned second casing 2, and when in above-mentioned first casing 1 and above-mentioned second casing 2
When sulphur all exhausts, reaction is interrupted, and above-mentioned siren is connected using above-mentioned second liquid level sensor, can be in above-mentioned second casing 2
When interior liquefaction sulphur liquid level is less than above-mentioned second with setting so that above-mentioned siren ring, even if reminding staff's addition solid
In sulphur to above-mentioned second casing 2, it is ensured that the lasting progress of reaction, it is easy to the continuous productive process of follow-up equipment.
For the ease of control reaction speed, specifically, above-mentioned first casing 1 is provided with SO 2 sensor, above-mentioned first
There is air inlet on casing 1, connected with above-mentioned combustion chamber 11, above-mentioned SO 2 sensor is connected to above-mentioned air inlet；When two
When sulfur oxide gas concentration is less than preset value, above-mentioned SO 2 sensor controls above-mentioned air inlet increase intake.According to rear
Continuous equipment to sulfur dioxide gas the need for determine the reaction speed of sulphur, and the confession of the speed of reaction speed then with sulphur and oxygen
Should be relevant, therefore above-mentioned air inlet is controlled using above-mentioned SO 2 sensor, can be automatic in the case where sulphur supply is stable
Reaction speed.
For the ease of later maintenance, specifically, also including burning car 3, above-mentioned burning car 3 is arranged on above-mentioned first casing 1
Interior, above-mentioned first casing 1 is provided with fire door 4, for entering above-mentioned burning car 3 or leaving above-mentioned first casing 1；Liquefy sulphur from
Above-mentioned valve port 21 flows into above-mentioned burning car 3, is reacted in above-mentioned burning car 3.In the reaction, sulphur generally selects higher degree
Product, however, how much discord, can contain impurity in solid sulfur, after long-term burning, have residue in above-mentioned combustion chamber 11,
If sticking in the above-mentioned inwall of combustion chamber 11, manual cleaning is more difficult.And above-mentioned burning car 3 is used, it is contained in liquid sulfur
State in burning car 3, it is most of all to stay in above-mentioned burning car 3 even if there is residue, and above-mentioned burning car 3 can be from above-mentioned stove
Door 4 takes out, and facilitates the cleaning of staff.Fire door 4 also allows for maintenance of the staff for above-mentioned first casing 1 simultaneously.
A kind of burner that the utility model embodiment is proposed, including：First casing and the second casing；First casing bag
Combustion chamber is included, for the sulphur that burns；First casing is provided with gas outlet, for production gas to be oriented into follow-up equipment；Second casing
It is connected with the first casing；Tell that the second casing is provided with valve port, with combustion chamber；Valve port is provided with connector, and connector is used to open
Open or close port；Second casing is provided with addition mouth, and addition mouth is in communication with the outside, for adding sulphur into the second casing.
In the prior art, it is typically that the dolly for stacking sulphur is directly pushed into combustion chamber to be burnt, but the sulphur of accumulation is difficult in burning
Speed and the time of burning are controlled, can only be controlled by the input quantity of air.Burnt a car sulphur every time simultaneously, is required for weight
New filler, heating burning, it is impossible to continuous productive process so that there is longer interval time centre, influences the follow-up related life of factory
Produce work.The utility model is then possible to continuous burning sulphur, can add sulphur to combustion chamber in combustion, form flowing water and make
Industry, without heating repeatedly, saves the time, effectively improves operating efficiency.And can then pass through valve port and connection using the second casing
Part controls reaction speed, time etc. to control to add the amount of sulphur into combustion chamber.The hyperthermia radiation of combustion chamber causes the simultaneously
The sulphur liquefaction accumulated in two casings, in the case where not influenceing combustion chamber operational, preheating liquefaction is carried out to the sulphur in the second casing,
One side valve port is easier to control the flow of liquid, has on the other hand saved the time that sulphur is warming up to liquid from solid, has effectively carried
High reaction speed so that operating efficiency is higher.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of burner, it is characterised in that including：
First casing, including combustion chamber, for the sulphur that burns；First casing is provided with gas outlet, for generation gas to be led
To follow-up equipment；
Second casing, second casing is connected with first casing；Tell that the second casing is provided with valve port, with the combustion chamber
Connection；The valve port is provided with connector, and the connector is used to be turned on and off the valve port；Second casing, which is provided with, to be added
Plus mouth, the addition mouthful is in communication with the outside, for adding sulphur into second casing.
2. burner according to claim 1, it is characterised in that the connector is screw rod, one end of the screw rod
The valve port is matched with, the other end stretches out second casing, and through bolt, the bolt is fixedly connected on second case
Body.
3. burner according to claim 1, it is characterised in that the connector is pneumatic means, the pneumatic dress
Put including cylinder and piston, the piston is slidably connected to the cylinder, it is described for being moved back and forth in the cylinder
Piston is provided with piston rod, and described piston rod one end is fixedly connected on the piston, and the other end is reached outside the cylinder, blocks up
Fill in the valve port.
4. the burner according to any one of claim 1-3, it is characterised in that second casing is arranged on described
First casing upper end.
5. burner according to claim 4, it is characterised in that first casing includes diversion chamber, the water conservancy diversion
Room and the combustion chamber, are arranged in order the combustion chamber, the diversion chamber, the gas outlet；Set in the diversion chamber
Put multiple water conservancy diversion top plates and multiple water conservancy diversion bottom plates；Each water conservancy diversion top plate is fixedly connected on first casing top, and with
First bottom half has gap, and each water conservancy diversion bottom plate is fixedly connected on first bottom half, and with it is described
First casing top has the gap.
6. burner according to claim 5, it is characterised in that second casing is provided with watch window, due to
Observe the sulphur in second casing.
7. burner according to claim 6, it is characterised in that first casing is provided with the first liquid level sensor,
When the sulphur that liquefied in first casing is less than the first preset value, it is described that first liquid level sensor opens the connector
Valve port.
8. burner according to claim 7, it is characterised in that second casing is provided with the second liquid level sensor,
Second liquid level sensor is connected to siren；When the sulphur that liquefied in second casing is less than the second preset value, the police
Report device ring.
9. burner according to claim 8, it is characterised in that first casing is provided with SO 2 sensor,
There is air inlet, with the combustion chamber, the SO 2 sensor is connected to the air inlet on first casing；
When concentration of SO 2 gas is less than preset value, the SO 2 sensor controls the air inlet increase intake.
10. burner according to claim 9, it is characterised in that also including burning car, the burning car is arranged on institute
State in the first casing, first casing is provided with fire door, for making the burning car enter or leave first casing；Liquid
Change sulphur and flow into the burning car from the valve port, reacted in the burning in-car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601873.7U CN206479029U (en) | 2017-05-26 | 2017-05-26 | Burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601873.7U CN206479029U (en) | 2017-05-26 | 2017-05-26 | Burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479029U true CN206479029U (en) | 2017-09-08 |
Family
ID=59747465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720601873.7U Expired - Fee Related CN206479029U (en) | 2017-05-26 | 2017-05-26 | Burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108727162A (en) * | 2018-06-25 | 2018-11-02 | 宁夏金海新科化工有限公司 | The method for producing cresols based on special sulfur dioxide device |
-
2017
- 2017-05-26 CN CN201720601873.7U patent/CN206479029U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108727162A (en) * | 2018-06-25 | 2018-11-02 | 宁夏金海新科化工有限公司 | The method for producing cresols based on special sulfur dioxide device |
| CN108727162B (en) * | 2018-06-25 | 2021-07-23 | 宁夏金海新科化工有限公司 | Method for producing cresol based on special sulfur dioxide device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20210526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |