CN203739044U - Nitrogen protection device used for kneading machine - Google Patents
Nitrogen protection device used for kneading machine Download PDFInfo
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- CN203739044U CN203739044U CN201420094923.3U CN201420094923U CN203739044U CN 203739044 U CN203739044 U CN 203739044U CN 201420094923 U CN201420094923 U CN 201420094923U CN 203739044 U CN203739044 U CN 203739044U
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- nitrogen
- kneader
- control valve
- storage tank
- gas control
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Abstract
The utility model relates to the technical field of kneading machines, in particular to a nitrogen protection device. The nitrogen protection device used for the kneading machine comprises a nitrogen supply gas source and a nitrogen storage tank, wherein the nitrogen supply gas source is connected with an input end of the nitrogen storage tank, an output end of the nitrogen storage tank is connected with the top of a kneading machine body through a nitrogen conveying pipeline, a gas control valve A is arranged in the nitrogen conveying pipeline, the gas control valve A is arranged near to the pipeline part of the nitrogen storage tank, the top of the kneading machine body is connected with a vacuum pumping machine through a vacuum pumping pipeline, a gas control valve B is arranged in the vacuum pumping pipeline, and kneading machine body is further provided with an electronic pressure gauge I used for monitoring the internal pressure of the kneading machine body in real time. Due to the adoption of the technical scheme, the safety and the stability of operation of the kneading machine are enhanced, the performances of automatically charging nitrogen and pumping vacuum are achieved, the potential safety hazard in the manual operation is effectively avoided, and the operation precision is improved.
Description
Technical field
The utility model relates to kneader technical field, is specifically related to a kind of nitrogen protection device.
Background technology
Kneader is equipment conventional in a kind of chemical industry, thereby its operation principle is the strong shear action producing by a pair of blade of working in coordination rotation, makes the material of leather hard or gluey thickness react rapidly the equipment that uniformly mixes effect that obtains.Kneader be various full-bodied elastoplasticity materials mixing, mediate, the ideal equipment of broken, the various chemical products of disperseing, regroup, have advantages of stir, without dead angle, to mediate efficiency high, be widely used in the production industries such as high viscosity fluid sealant, silicon rubber, neutral acid glass cement, chewing gum, bubble hall, paper pulp, cellulose, also for the manufacture of battery, ink, pigment, fuel, medicine, resin, plastics, rubber and cosmetics.
Kneader is when work, high polymer in working cylinder and inorganic particle in conjunction with time, the kneading of sizing material and extruding can produce electrostatic spark, if the air of sneaking into wherein reaches ratio in the lump, be easy to occur little blast and cause mixed material modification, affect final product.
Utility model content
The purpose of this utility model is, a kind of kneader nitrogen protection device is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of kneader nitrogen protection device, it is characterized in that, comprise nitrogen air supply source and nitrogen storage tank, described nitrogen air supply source connects the input of described nitrogen storage tank, the output of described nitrogen storage tank connects the top of kneader body by a nitrogen gas delivery-line, in described nitrogen gas delivery-line, be provided with a gas control valve A to control the feed flow of nitrogen by adjusting the aperture of gas control valve A, described gas control valve A is arranged near in the pipeline portions of described nitrogen storage tank, away from kneader body, can improve processing safety;
The top of described kneader body connects a vacuum air pump by a vacuum-pumping pipeline, is provided with gas control valve B in described vacuum-pumping pipeline;
On described kneader body, be also provided with an electronic pressure gauge I, described electronic pressure gauge I is for the intrinsic pressure of kneader described in Real-Time Monitoring.
The utility model, by nitrogen air supply source and nitrogen storage tank are set, are convenient to be filled with nitrogen when kneader is worked its running is protected, and mixes air and cause kneading process to be affected reducing product quality while avoiding inputting due to material.
Between described nitrogen storage tank and described nitrogen gas delivery-line, be also provided with a bypass duct, one end of described bypass duct connects described nitrogen storage tank, and the other end is connected in the described nitrogen gas delivery-line between described gas control valve A and described kneader body;
In described bypass duct, be provided with a gas control valve C, described gas control valve C is provided with a flowmeter, and the maximum opening of described gas control valve C is less than described gas control valve A.In the utility model course of work, after gas control valve A closes, by the measurement result of flowmeter, adjust the aperture of gas control valve B nitrogen course of conveying is carried out to current limliting fine setting, reach the effect of the nitrogen gas concn and the pressure that maintain kneader body interior.
In pipeline between described nitrogen air supply source and described nitrogen storage tank, be provided with gas control valve D, for regulating and ending outside air feed.
During the utility model work, first guarantee that each gas control valve closes, then start vacuum air pump, and open gas control valve B, make kneader body interior be pumped into vacuum, create subnormal ambient, open gas control valve D simultaneously, by nitrogen air supply source, nitrogen storage tank is carried out to air feed, when the gas pressure in nitrogen storage tank reaches rated value, open gas control valve A, nitrogen is filled with in kneader body, when subnormal ambient fades away, close gas control valve A and open gas control valve C to inflated with nitrogen process is finely tuned, slowly supplement the nitrogen loss in conveying and kneader running.
The length of described nitrogen gas delivery-line is 10m-20m, and preferred length is 15m～18m.Nitrogen gas delivery-line is long can affect transfer efficiency, causes the fine setting of feed flow to become difficult, and the too short nitrogen storage tank that makes approaches very much kneader body, has potential safety hazard.
Between described nitrogen gas delivery-line and described kneader body, be provided with a flexible pipe, described nitrogen gas delivery-line connects described kneader body by described flexible pipe.The link displacement can effective compensation causing because of the pressure differential of pipeline and kneader working cylinder by flexible pipe is set, prevents that the air-tightness of link is affected and causes gas leakage.
The pipe range of described flexible pipe is 1m-2m, preferably adopts the pipe range of 1.5m.
Described nitrogen storage tank is provided with electronic pressure gauge II, and described electronic pressure gauge II is for the internal pressure of nitrogen storage tank described in Real-Time Monitoring.
The capacity of described nitrogen storage tank is 1m
3-3m
3, preferred 2.5m
3capacity.
The top of described nitrogen storage tank is provided with a safety-valve for reducing pressure, to tank body is protected by pressure release during emergency.
In described vacuum-pumping pipeline, be provided with a pneumatic filter, described pneumatic filter is arranged between described gas control valve B and described kneader body, prevents because vacuum causes material particles along with Bas Discharged causes production loss.
Described gas control valve A, B, C, D adopt hand valve or electrodynamic type valve.
When described gas control valve A, B, C, D all adopt electrodynamic type valve, the control end of described gas control valve A is connected in a control module, the control end of described gas control valve B, C, D is also connected respectively in described control module, by control module, four gas control valves is carried out to open and close controlling;
The signal output part of described electronic pressure gauge I, described electronic pressure gauge II connects respectively described control module, so that control module can Real-time Obtaining kneader body and the internal pressure of nitrogen storage tank;
The control end of described vacuum air pump connects described control module, to control the keying of vacuum air pump by control module.
The utility model comes keying or the aperture of adjustments of gas control valve A, B, C, D by control module, realized the effect that in the kneader course of work, nitrogen is filled in automation, makes the steady safety of gas transmission process.During system works, control module is controlled and is started vacuum air pump work, make kneader body interior form negative pressure, and to electronic pressure gauge I, the data of II are sampled, according to these data, adjust gas control valve A, the keying of C and aperture, when subnormal ambient fades away, gas control valve A is closed in control, and open gas control valve B, air feed process is finely tuned, nitrogen loss in the supplementary kneader course of work and the loss in course of conveying, make the nitrogen of kneader body interior fill the air all the time full, effectively avoided the generation of storeroom electrostatic spark.Because whole process is regulated by control module, improved adjustment precision, can effectively make up manually-operated deficiency, the error in the time of also can avoiding manual operation.
Beneficial effect: owing to adopting technique scheme, the utility model has strengthened the safety and stability of kneader operation, and possesses the performance that automation is filled nitrogen and vacuumized, and the potential safety hazard while effectively avoiding producing manual operation, has improved performance accuracy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1; a kind of kneader nitrogen protection device; comprise nitrogen air supply source 1 and nitrogen storage tank 2; nitrogen air supply source 1 connects the top of nitrogen storage tank 2; be provided with gas control valve D15 between the two; the top of nitrogen storage tank 2 connects the top of kneader body 4 by nitrogen gas delivery-line 3, in the part of one end of nitrogen gas delivery-line 3 near nitrogen storage tank 2, be provided with gas control valve A5, and the part that the other end connects kneader body 4 connects the top of kneader body 4 by flexible pipe 12.Gas control valve A5.Between nitrogen storage tank 2 and nitrogen gas delivery-line 3, be provided with a bypass duct, one end of bypass duct connects nitrogen storage tank 2, the other end is connected into the nitrogen gas delivery-line part between gas control valve A5 and kneader body 4, in bypass duct, be provided with a gas control valve C14, the top that gas control valve C14 is provided with flowmeter 13 kneader bodies 4 connects a vacuum air pump 7 by a vacuum-pumping pipeline 6.In vacuum-pumping pipeline 6, be provided with gas control valve B8; Kneader body 4 is provided with electronic pressure gauge I9.Nitrogen storage tank 2 is provided with electronic pressure gauge II10.The top of nitrogen storage tank 2 is provided with a safety-valve, to tank body is protected by pressure release during emergency.In vacuum-pumping pipeline 6, be provided with pneumatic filter 11, prevent because vacuum causes material particles along with Bas Discharged causes production loss.
The utility model, by nitrogen air supply source and nitrogen storage tank are set, are convenient to be filled with nitrogen when kneader is worked its running is protected, and avoids causing the quality of the product of kneading process to be affected owing to mixing air, during work, first guarantee that each gas control valve closes, then start vacuum air pump, and open gas control valve B, make kneader body interior be pumped into vacuum, create subnormal ambient, open gas control valve D simultaneously, by nitrogen air supply source, nitrogen storage tank is carried out to air feed, when the gas pressure in nitrogen storage tank reaches rated value, open gas control valve A, nitrogen is filled with in kneader body, when subnormal ambient fades away, close gas control valve A and open gas control valve C to inflated with nitrogen process is finely tuned, slowly supplement the nitrogen loss in conveying and kneader running.
The length of nitrogen gas delivery-line is 10m-20m, and the pipe range of flexible pipe is 1m-2m, and the capacity of nitrogen storage tank is 1m
3-3m
3.
When gas control valve A, B, C, D all adopt electrodynamic type valve, the control end of gas control valve A is connected in a control module, the control end of gas control valve B, C, D is also connected respectively in control module, by control module, four gas control valves is carried out to open and close controlling; The signal output part of electronic pressure gauge I, electronic pressure gauge II is link control module respectively, so that control module can Real-time Obtaining kneader body and the internal pressure of nitrogen storage tank; The control end link control module of vacuum air pump, to control the keying of vacuum air pump by control module.
The utility model comes keying or the aperture of adjustments of gas control valve A, B, C, D by control module, realized the effect that in the kneader course of work, nitrogen is filled in automation, makes the steady safety of gas transmission process.During system works, control module is controlled and is started vacuum air pump work, make kneader body interior form negative pressure, and to electronic pressure gauge I, the data of II are sampled, according to these data, adjust gas control valve A, the keying of C and aperture, when subnormal ambient fades away, gas control valve A is closed in control, and open gas control valve B, air feed process is finely tuned, nitrogen loss in the supplementary kneader course of work and the loss in course of conveying, make the nitrogen of kneader body interior fill the air all the time full, effectively avoided the generation of storeroom electrostatic spark.Because whole process is regulated by control module, improved adjustment precision, can effectively make up manually-operated deficiency, the error in the time of also can avoiding manual operation.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. a kneader nitrogen protection device, it is characterized in that, comprise nitrogen air supply source and nitrogen storage tank, described nitrogen air supply source connects the input of described nitrogen storage tank, the output of described nitrogen storage tank connects the top of kneader body by a nitrogen gas delivery-line, in described nitrogen gas delivery-line, be provided with a gas control valve A, described gas control valve A is arranged near in the pipeline portions of described nitrogen storage tank;
The top of described kneader body connects a vacuum air pump by a vacuum-pumping pipeline, is provided with gas control valve B in described vacuum-pumping pipeline;
On described kneader body, be also provided with an electronic pressure gauge I for kneader body interior pressure described in Real-Time Monitoring.
2. a kind of kneader nitrogen protection device according to claim 1, it is characterized in that, between described nitrogen storage tank and described nitrogen gas delivery-line, be also provided with a bypass duct, one end of described bypass duct connects described nitrogen storage tank, and the other end is connected in the described nitrogen gas delivery-line between described gas control valve A and described kneader body;
In described bypass duct, be provided with a gas control valve C, described gas control valve C is provided with a flowmeter, and the maximum opening of described gas control valve C is less than described gas control valve A.
3. a kind of kneader nitrogen protection device according to claim 2, is characterized in that, in the pipeline between described nitrogen air supply source and described nitrogen storage tank, is provided with gas control valve D.
4. a kind of kneader nitrogen protection device according to claim 1, is characterized in that, the length of described nitrogen gas delivery-line is 10m-20m.
5. a kind of kneader nitrogen protection device according to claim 1, is characterized in that, between described nitrogen gas delivery-line and described kneader body, is provided with a flexible pipe, and described nitrogen gas delivery-line connects described kneader body by described flexible pipe.
6. a kind of kneader nitrogen protection device according to claim 5, is characterized in that, the pipe range of described flexible pipe is 1m-2m.
7. a kind of kneader nitrogen protection device according to claim 3, is characterized in that, described nitrogen storage tank is provided with the electronic pressure gauge II for nitrogen storage tank internal pressure described in Real-Time Monitoring.
8. a kind of kneader nitrogen protection device according to claim 1, the capacity of described nitrogen storage tank is 1m
3-3m
3.
9. a kind of kneader nitrogen protection device according to claim 7, is characterized in that, described gas control valve A, B, C, D adopt hand valve or electrodynamic type valve.
10. a kind of kneader nitrogen protection device according to claim 9, it is characterized in that, when described gas control valve A, B, C, D all adopt electrodynamic type valve, the control end of described gas control valve A is connected in a control module, and the control end of described gas control valve B, C, D is also connected respectively in described control module;
The signal output part of described electronic pressure gauge I, described electronic pressure gauge II connects respectively described control module;
The control end of described vacuum air pump connects described control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094923.3U CN203739044U (en) | 2014-03-04 | 2014-03-04 | Nitrogen protection device used for kneading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094923.3U CN203739044U (en) | 2014-03-04 | 2014-03-04 | Nitrogen protection device used for kneading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203739044U true CN203739044U (en) | 2014-07-30 |
Family
ID=51338904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094923.3U Expired - Fee Related CN203739044U (en) | 2014-03-04 | 2014-03-04 | Nitrogen protection device used for kneading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203739044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053512A (en) * | 2017-05-06 | 2017-08-18 | 洛阳和梦科技有限公司 | Multi-functional plastic cement processing unit (plant) |
| CN107336373A (en) * | 2016-12-19 | 2017-11-10 | 东莞市昶丰机械科技有限公司 | A kind of new-type atmosphere protection titanium alloy banbury |
-
2014
- 2014-03-04 CN CN201420094923.3U patent/CN203739044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336373A (en) * | 2016-12-19 | 2017-11-10 | 东莞市昶丰机械科技有限公司 | A kind of new-type atmosphere protection titanium alloy banbury |
| CN107053512A (en) * | 2017-05-06 | 2017-08-18 | 洛阳和梦科技有限公司 | Multi-functional plastic cement processing unit (plant) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |