CN112452563A - Method and device for reducing material accumulation of discharge hopper of centrifugal machine - Google Patents
Method and device for reducing material accumulation of discharge hopper of centrifugal machine Download PDFInfo
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- CN112452563A CN112452563A CN202011175281.6A CN202011175281A CN112452563A CN 112452563 A CN112452563 A CN 112452563A CN 202011175281 A CN202011175281 A CN 202011175281A CN 112452563 A CN112452563 A CN 112452563A
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- centrifuge
- sleeve
- hopper
- jacket
- condensate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/06—Arrangement of distributors or collectors in centrifuges
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Abstract
The invention relates to the technical field of polyvinyl chloride resin production, in particular to a method and a device for reducing the material accumulation of a discharge hopper of a centrifuge, wherein the method comprises the following steps: a jacket is arranged on the outer wall of a discharge hopper of the centrifuge, a sleeve is arranged on the outer wall of a discharge port of the screw conveyor, a heat distribution water pipeline of a dry condensate main pipeline is communicated into the sleeve, and a connecting pipeline is arranged between the outlet of the sleeve and the inlet of the jacket; the latter includes centrifuge, screw conveyer, and centrifuge's lower hopper is fixed being linked together with screw conveyer's feed inlet, and centrifuge's lower hopper outer wall is provided with the cover that presss from both sides, and screw conveyer's feed outlet outer wall fixed mounting has the sleeve pipe. The invention effectively improves the wall temperature of the discharging hopper of the centrifuge, avoids moisture condensation in the discharging hopper, prevents the discharging hopper of the centrifuge from blocking materials, meanwhile, the steam condensate is sent to the jacket of the discharging hopper of the centrifuge and the sleeve of the discharging opening of the screw conveyor for use after heat exchange by the system, fully utilizes the waste heat of the condensate, reduces the steam consumption and saves the production cost.
Description
Technical Field
The invention relates to the technical field of polyvinyl chloride resin production, in particular to a method and a device for reducing material accumulation of a discharge hopper of a centrifugal machine.
Background
In the prior production of polyvinyl chloride resin, a discharge hopper of a centrifuge is of a stainless steel cubic structure, the discharge hopper is easy to hang and accumulate materials in the operation process of the centrifuge, the temperature of the materials in the discharge hopper of the centrifuge is 60-75 ℃, the temperature outside the wall of the hopper is 35-45 ℃ in summer, and the temperature is as low as 10 ℃ in winter. In the normal production process, the temperature difference between the inner wall and the outer wall of the hopper under the centrifugal machine is large, moisture in the hopper is condensed, PVC resin is bonded on the wall of the hopper under the centrifugal machine, the hopper is blocked after a resin layer falls off, the centrifugal machine stops due to overhigh current, the fluctuating resin impurities of a production system exceed the standard, equipment stops, the indexes of a drying system deviate, and the normal production and the product quality are finally influenced. Meanwhile, the drying system uses medium-pressure steam, and steam condensate is sent to other processes for treatment after heat exchange of the system, so that the steam consumption of the drying system is high.
Disclosure of Invention
The invention provides a method and a device for reducing the material accumulation of a discharging hopper of a centrifuge, overcomes the defects of the prior art, and can effectively solve the problems that the discharging hopper is easy to hang and accumulate materials and the consumption of dry steam is high in the operation process of the centrifuge in the production of polyvinyl chloride resin.
One of the technical schemes of the invention is realized by the following measures: a method for reducing the material accumulation of a hopper under a centrifuge comprises the following steps: firstly, installing a jacket on the outer wall of a discharge hopper of a centrifuge; secondly, a sleeve is arranged on the outer wall of a feed opening of the spiral conveyor; thirdly, communicating a dispensing condensate water supply pipeline of the dry condensate main pipeline to the inside of the sleeve; fourth, a connecting line was installed between the outlet of the sleeve and the inlet of the jacket.
The following is a further optimization or/and improvement of one of the above-mentioned technical solutions of the invention:
the jacket is a stainless steel half-section pipe of DN 80.
The sleeve is a stainless steel half-section pipe of DN 200.
The temperature of the upper water in the jacket is 95-100 ℃, and the temperature of the return water is 75-80 ℃.
The second technical scheme of the invention is realized by the following measures: a device for implementing the method for reducing the material accumulation of the discharging hopper of the centrifugal machine comprises the centrifugal machine and a spiral conveyor, wherein the discharging hopper of the centrifugal machine is fixedly communicated with a feeding hole of the spiral conveyor, a jacket is arranged on the outer wall of the discharging hopper of the centrifugal machine, a sleeve is fixedly arranged on the outer wall of a discharging hole of the spiral conveyor, a connecting pipeline is fixedly communicated between a water inlet of the jacket and a water outlet of the sleeve, a condensate feeding pipeline is fixedly communicated with a water inlet of the sleeve, and a condensate returning pipeline is fixedly communicated with a water outlet of the jacket.
The following is further optimization or/and improvement of the second technical scheme of the invention:
and gate valves are fixedly arranged on the condensate water feeding pipeline and the condensate water returning pipeline.
The invention effectively improves the wall temperature of the discharging hopper of the centrifuge, avoids moisture condensation in the discharging hopper, prevents the discharging hopper of the centrifuge from blocking materials, meanwhile, the steam condensate is sent to the jacket of the discharging hopper of the centrifuge and the sleeve of the discharging opening of the screw conveyor for use after heat exchange by the system, fully utilizes the waste heat of the condensate, reduces the steam consumption and saves the production cost.
Drawings
FIG. 1 is a schematic process flow diagram of example 1 of the present invention.
The codes in the figures are respectively: the device comprises a discharge hopper 1, a discharge port 2, a jacket 3, a sleeve 4, a connecting pipeline 5, a condensate water feeding pipeline 6, a condensate water returning pipeline 7, a gate valve 8, a centrifugal machine 9 and a screw conveyor 10.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
The invention is further described below with reference to the following examples:
example 1: as shown in the attached figure 1, the method for reducing the material accumulation of the hopper under the centrifuge comprises the following steps: firstly, a jacket 3 is arranged on the outer wall of a discharging hopper 1 of a centrifuge 9; secondly, a sleeve 4 is arranged on the outer wall of the feed opening 2 of the screw conveyor 10; thirdly, communicating a dispensing condensate water supply pipeline 6 of the dry condensate main pipeline to the sleeve 4; fourth, a connecting line 5 is installed between the outlet of the sleeve 4 and the inlet of the jacket 3.
The invention sets the heat tracing pipeline for heating the blanking hopper 1 of the centrifuge 9 by using the steam condensate of the drying system, thoroughly solves the problems of hanging and material accumulation of the blanking hopper 1 of the centrifuge 9, and ensures the normal production and product quality of the system; the heat tracing pipelines of the jacket 3 and the sleeve 4 use steam condensate of a drying system, condensate waste heat is effectively utilized, 5.75t of steam can be saved every day, and 15.94 ten thousand yuan of production cost can be saved every year.
Example 2: as shown in FIG. 1, jacket 3 was a stainless steel half-section tube of DN80 as optimized for the above example.
Example 3: as shown in fig. 1, the casing 4 is a stainless steel half-section tube of DN200 as an optimization of the above embodiment.
Example 4: as shown in FIG. 1, the temperature of the upper water in the jacket 3 is 95 to 100 ℃ and the temperature of the return water is 75 to 80 ℃ as the optimization of the above embodiment.
Example 5: as shown in the attached figure 1, the device for implementing the method for reducing the material accumulation of the discharging hopper of the centrifugal machine comprises the centrifugal machine 9 and a screw conveyor 10, wherein the discharging hopper 1 of the centrifugal machine 9 is fixedly communicated with a feeding hole of the screw conveyor 10, a jacket 3 is arranged on the outer wall of the discharging hopper 1 of the centrifugal machine 9, a sleeve 4 is fixedly arranged on the outer wall of a discharging hole 2 of the screw conveyor 10, a connecting pipeline 5 is fixedly communicated between a water inlet of the jacket 3 and a water outlet of the sleeve 4, a condensate feeding pipeline 6 is fixedly communicated with a water inlet of the sleeve 4, and a condensate return pipeline 7 is fixedly communicated with a water outlet.
Example 6: as shown in the attached figure 1, a gate valve 8 is fixedly arranged on both the condensate water feeding pipeline 6 and the condensate water returning pipeline 7.
In conclusion, the temperature of the wall of the discharging hopper of the centrifuge 9 is effectively improved, moisture in the discharging hopper is prevented from being condensed, the discharging hopper of the centrifuge 9 is prevented from being blocked, meanwhile, steam condensate is sent to the jacket 3 of the discharging hopper of the centrifuge 9 and the sleeve 4 of the discharging opening of the screw conveyor 10 for use after heat exchange through the system, the waste heat of the condensate is fully utilized, the steam unit consumption is reduced, and the production cost is saved.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (6)
1. A method for reducing the material accumulation of a discharge hopper of a centrifuge is characterized by comprising the following steps: firstly, installing a jacket on the outer wall of a discharge hopper of a centrifuge; secondly, a sleeve is arranged on the outer wall of a feed opening of the spiral conveyor; thirdly, communicating a dispensing condensate water supply pipeline of the dry condensate main pipeline to the inside of the sleeve; fourth, a connecting line was installed between the outlet of the sleeve and the inlet of the jacket.
2. The method for reducing the material accumulation of the hopper of the centrifuge as recited in claim 1, wherein the jacket is a stainless steel half-section tube of DN 80.
3. The method for reducing the material accumulation of the hopper of the centrifuge as recited in claim 1 or 2, wherein the sleeve is a stainless steel half-section pipe of DN 200.
4. The method for reducing the material accumulation of the hopper under the centrifuge as recited in claim 1, 2 or 3, wherein the temperature of the upper water in the jacket is 95 ℃ to 100 ℃ and the temperature of the return water is 75 ℃ to 80 ℃.
5. The device for implementing the method for reducing the material accumulation of the discharge hopper of the centrifugal machine according to any one of claims 1 to 4 is characterized by comprising the centrifugal machine and a screw conveyor, wherein the discharge hopper of the centrifugal machine is fixedly communicated with a feed inlet of the screw conveyor, a jacket is arranged on the outer wall of the discharge hopper of the centrifugal machine, a sleeve is fixedly arranged on the outer wall of a discharge outlet of the screw conveyor, a connecting pipeline is fixedly communicated between a water inlet of the jacket and a water outlet of the sleeve, a condensate feeding pipeline is fixedly communicated with a water inlet of the sleeve, and a condensate returning pipeline is fixedly communicated with a water outlet of the jacket.
6. The apparatus of claim 5, wherein gate valves are fixedly installed on both the condensate supply line and the condensate return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175281.6A CN112452563A (en) | 2020-10-28 | 2020-10-28 | Method and device for reducing material accumulation of discharge hopper of centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175281.6A CN112452563A (en) | 2020-10-28 | 2020-10-28 | Method and device for reducing material accumulation of discharge hopper of centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112452563A true CN112452563A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011175281.6A Pending CN112452563A (en) | 2020-10-28 | 2020-10-28 | Method and device for reducing material accumulation of discharge hopper of centrifugal machine |
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| CN (1) | CN112452563A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB864081A (en) * | 1957-12-05 | 1961-03-29 | Teikoku Rayon Company Ltd | A combined drying and feeding apparatus for pulverulent raw material |
| CN2157195Y (en) * | 1992-10-23 | 1994-02-23 | 农业部种子项目办公室 | Centrifugal for removing linters of cotton seeds with diluted sulfuric acid |
| CN202836085U (en) * | 2012-10-24 | 2013-03-27 | 常州市宇通干燥设备有限公司 | Square vacuum drier |
| CN203876140U (en) * | 2014-06-10 | 2014-10-15 | 赖才丁 | Feeding-uniform anti-blockage injection molding machine feeding hopper |
| CN206678200U (en) * | 2017-03-21 | 2017-11-28 | 江阴爱科森博顿聚合体有限公司 | A kind of high-molecular polythene Plasticator of band charging water removal body |
| CN207859441U (en) * | 2017-12-31 | 2018-09-14 | 天津市京通管业有限公司 | A kind of plastic tube production feeding equipment |
| CN207932367U (en) * | 2017-11-27 | 2018-10-02 | 高观清 | A kind of feed bin of band heating and vibrating device |
| CN209968671U (en) * | 2019-02-21 | 2020-01-21 | 新疆圣雄氯碱有限公司 | Automatic quick unloader of dry cyclone discharge gate |
-
2020
- 2020-10-28 CN CN202011175281.6A patent/CN112452563A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB864081A (en) * | 1957-12-05 | 1961-03-29 | Teikoku Rayon Company Ltd | A combined drying and feeding apparatus for pulverulent raw material |
| CN2157195Y (en) * | 1992-10-23 | 1994-02-23 | 农业部种子项目办公室 | Centrifugal for removing linters of cotton seeds with diluted sulfuric acid |
| CN202836085U (en) * | 2012-10-24 | 2013-03-27 | 常州市宇通干燥设备有限公司 | Square vacuum drier |
| CN203876140U (en) * | 2014-06-10 | 2014-10-15 | 赖才丁 | Feeding-uniform anti-blockage injection molding machine feeding hopper |
| CN206678200U (en) * | 2017-03-21 | 2017-11-28 | 江阴爱科森博顿聚合体有限公司 | A kind of high-molecular polythene Plasticator of band charging water removal body |
| CN207932367U (en) * | 2017-11-27 | 2018-10-02 | 高观清 | A kind of feed bin of band heating and vibrating device |
| CN207859441U (en) * | 2017-12-31 | 2018-09-14 | 天津市京通管业有限公司 | A kind of plastic tube production feeding equipment |
| CN209968671U (en) * | 2019-02-21 | 2020-01-21 | 新疆圣雄氯碱有限公司 | Automatic quick unloader of dry cyclone discharge gate |
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Application publication date: 20210309 |
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