CN104208900A - Crystal catcher applied to acid anhydrides - Google Patents
Crystal catcher applied to acid anhydrides Download PDFInfo
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- CN104208900A CN104208900A CN201410459823.0A CN201410459823A CN104208900A CN 104208900 A CN104208900 A CN 104208900A CN 201410459823 A CN201410459823 A CN 201410459823A CN 104208900 A CN104208900 A CN 104208900A
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- springs
- crystal
- shell
- acid anhydrides
- housing
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- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
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Abstract
The invention discloses a crystal catcher applied to acid anhydrides, relating to the technical field of production of 1,2,4,5-benzenetetracarboxylic anhydride and other acid anhydrides, and in particular relates to a crystal collection device. The crystal catcher applied to acid anhydrides comprises a cylindrical shell, wherein the upper end of the shell is connected with an upper spherical sealing head in a sealing manner; the lower end of the shell is connected with a lower conical sealing head in the sealing manner; the crystal catcher is characterized in that a plurality of springs are uniformly distributed in the shell; the upper ends of the springs are respectively connected with the upper end of the shell; the lower ends of the springs are free ends. As the springs can freely swing in the shell, the heat exchange area can be increased, and the materials attached to the springs can fall off at any time and are unlikely to stick to the springs. The crystal catcher applied to acid anhydrides has the advantages that the energy consumption is low, the loss is low, the material yield is high, the material blockage is avoided, the operation is continuous, the labor intensity is low, the crystal catcher does not need to be cleaned by washing and the waste water is not produced.
Description
Technical field
The present invention relates to the gathering-device of the production technical field of pyromellitic acid anhydride or other anhydrides, particularly its crystal.
Background technology
The crystal gathering-device of existing pyromellitic acid anhydride is provided with cylindrical housings, spherical upper cover is tightly connected in the upper end of housing, the lower end taper low head that is tightly connected, in housing outer clip shell type, circulating water cooling system is set, at the fixing deflection plate of enclosure interior design, high temperature crystallization body enters the bottom from low head after cooling from upper cover and ejects.
The shortcoming of this device is: energy consumption is high, and loss is large, collects not thoroughly, and equipment is easily by feed blocking, is difficult to cleaning, and washing can cause large amount of sewage, and environmental protection pressure is large, increases sewage disposal expense, and labour intensity is large.
Summary of the invention
A kind of crystal trapping device for anhydrides that the object of the invention is to design a kind of low energy consumption, is difficult for occurring obstruction.
The present invention includes cylindrical housings, the spherical upper cover that is tightly connected in the upper end of described housing, the lower end taper low head that is tightly connected, is characterized in that uniform some springs in housing, the upper end of each spring is connected to the upper end of housing, and the lower end of each spring is respectively free end.
Described spring length is identical with shell length.
Because the spring of setting of the present invention can freely swing in housing, except strengthening heat exchange area, can also make the material being attached on spring come off at any time, be difficult for materials from bonding occurring thereon.The present invention has has advantage to be: energy consumption is low, and loss is little, and material yield is high, can not cause feed blocking, continued operation, and labour intensity is low, without washing cleaning, does not produce waste water.
In order to facilitate the installation of spring, the fixing netted link in upper surface in housing, the upper end of described each spring is connected on netted link.
In addition, the present invention also connects nitrogen access port at the sidewall of described housing.To internal sweep nitrogen, can further improve the antistick characteristic of spring, enclosure interior, upper and lower end socket inside by regularly.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention is provided with a cylindrical housings 1, the spherical upper cover 2 that is tightly connected in the upper end of housing 1, and the lower end taper low head 3 that is tightly connected, upper cover 2 is provided with treatment fluid access port, and low head 3 lower ends are provided with out brilliant mouthful.Connect at least one nitrogen access port 4 at the sidewall of housing 1.
Upper surface in housing 1 is welded and fixed netted link 5, the some springs of the interior even hanging of housing 16 below this link 5, and the length of each spring 6 of hanging is identical with the length of housing 1, and the lower end of each spring 6 is respectively the free end that can freely swing.
Claims (4)
1. for a kind of crystal trapping device of anhydrides, comprise cylindrical housings, spherical upper cover is tightly connected in the upper end of described housing, the lower end taper low head that is tightly connected, it is characterized in that uniform some springs in housing, the upper end of each spring is connected to the upper end of housing, and the lower end of each spring is respectively free end.
2. crystal trapping device according to claim 1, is characterized in that described spring length is identical with shell length.
3. according to crystal trapping device described in claim 1 or 2, it is characterized in that the fixing netted link in upper surface in housing, the upper end of described each spring is connected on netted link.
4. according to crystal trapping device described in claim 1 or 2, it is characterized in that connecting nitrogen access port at the sidewall of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459823.0A CN104208900B (en) | 2014-09-11 | 2014-09-11 | A kind of crystal trapping device for anhydrides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459823.0A CN104208900B (en) | 2014-09-11 | 2014-09-11 | A kind of crystal trapping device for anhydrides |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104208900A true CN104208900A (en) | 2014-12-17 |
| CN104208900B CN104208900B (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410459823.0A Active CN104208900B (en) | 2014-09-11 | 2014-09-11 | A kind of crystal trapping device for anhydrides |
Country Status (1)
| Country | Link |
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| CN (1) | CN104208900B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344934A (en) * | 2021-12-30 | 2022-04-15 | 郑州鸿跃环保科技有限公司 | An easy-to-clean pipeline crystallizer structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552575A (en) * | 1982-02-04 | 1985-11-12 | Ruetgerswerke Aktiengesellschaft | Method for the mass separation of a liquid mixture through fractional crystallization |
| CN1050829A (en) * | 1990-11-29 | 1991-04-24 | 天津大学 | Parametric pump fractional crystallization method and pfc crystallizer |
| JPH07278153A (en) * | 1994-04-01 | 1995-10-24 | Nippon Steel Chem Co Ltd | Method for collecting pyromellitic anhydride |
| EP1078669A1 (en) * | 1999-08-23 | 2001-02-28 | Sulzer Chemtech AG | Process and crystallizer for purifying materials or mixtures thereof |
| CN102635468A (en) * | 2012-04-23 | 2012-08-15 | 北京建筑工程学院 | Carbon dioxide fixing device |
| CN202620768U (en) * | 2012-01-19 | 2012-12-26 | 杭州圣亚机械阀业有限公司 | Evaporative crystallization device |
| CN103382090A (en) * | 2013-07-11 | 2013-11-06 | 深圳市亚太兴实业有限公司 | Method for continuous preparation of copper zinc tin sulfur film |
| CN103585781A (en) * | 2013-12-03 | 2014-02-19 | 姜向前 | Vertical continuous-cooling crystallization machine |
| CN204134251U (en) * | 2014-09-11 | 2015-02-04 | 江苏华伦化工有限公司 | For a kind of crystal trapping device of anhydrides |
-
2014
- 2014-09-11 CN CN201410459823.0A patent/CN104208900B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552575A (en) * | 1982-02-04 | 1985-11-12 | Ruetgerswerke Aktiengesellschaft | Method for the mass separation of a liquid mixture through fractional crystallization |
| CN1050829A (en) * | 1990-11-29 | 1991-04-24 | 天津大学 | Parametric pump fractional crystallization method and pfc crystallizer |
| JPH07278153A (en) * | 1994-04-01 | 1995-10-24 | Nippon Steel Chem Co Ltd | Method for collecting pyromellitic anhydride |
| EP1078669A1 (en) * | 1999-08-23 | 2001-02-28 | Sulzer Chemtech AG | Process and crystallizer for purifying materials or mixtures thereof |
| CN202620768U (en) * | 2012-01-19 | 2012-12-26 | 杭州圣亚机械阀业有限公司 | Evaporative crystallization device |
| CN102635468A (en) * | 2012-04-23 | 2012-08-15 | 北京建筑工程学院 | Carbon dioxide fixing device |
| CN103382090A (en) * | 2013-07-11 | 2013-11-06 | 深圳市亚太兴实业有限公司 | Method for continuous preparation of copper zinc tin sulfur film |
| CN103585781A (en) * | 2013-12-03 | 2014-02-19 | 姜向前 | Vertical continuous-cooling crystallization machine |
| CN204134251U (en) * | 2014-09-11 | 2015-02-04 | 江苏华伦化工有限公司 | For a kind of crystal trapping device of anhydrides |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344934A (en) * | 2021-12-30 | 2022-04-15 | 郑州鸿跃环保科技有限公司 | An easy-to-clean pipeline crystallizer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104208900B (en) | 2016-08-24 |
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