CN112023867A - Reactor for preparing magnesium sulfate from alkylation waste acid - Google Patents
Reactor for preparing magnesium sulfate from alkylation waste acid Download PDFInfo
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- CN112023867A CN112023867A CN202010957409.8A CN202010957409A CN112023867A CN 112023867 A CN112023867 A CN 112023867A CN 202010957409 A CN202010957409 A CN 202010957409A CN 112023867 A CN112023867 A CN 112023867A
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- reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/28—Moving reactors, e.g. rotary drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/40—Magnesium sulfates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Abstract
The invention provides a reactor for preparing magnesium sulfate by alkylating waste acid, which comprises: the rotatory section of thick bamboo of reactor, the connecting cover, fixed reaction chamber sealing cover, relief valve and negative pressure equipment, the rotatory section of thick bamboo outside of reactor sets up the connecting cover, be connected with fixed reaction chamber sealing cover through the connecting cover, fixed reaction chamber sealing cover is provided with the sealed piece of annular graphite, through the sealed piece mounting groove contact of the sealed piece of annular graphite on inside and outside two sealed pieces of annular graphite and the connecting cover, realize dual rotary type sealing connection, produce the negative pressure through negative pressure equipment, so that the reactor satisfies the requirement of negative pressure operation well in reaction process, and the connecting cover is provided with the relief valve, the relief valve can open release pressure when igniteing and gas outage deflagration, thereby avoid producing the explosion.
Description
Technical Field
The invention relates to the technical field of magnesium sulfate preparation, in particular to a reactor for preparing magnesium sulfate from alkylated waste acid.
Background
At present, the waste sulfuric acid is generally treated by a method for preparing magnesium sulfate by alkylating the waste sulfuric acid on the market, and the patent of patent number CN109331742A discloses a reactor with a breathing function, wherein a breathing valve with the breathing function is designed in the reactor, when a reaction system is operated at negative pressure, the breathing valve of the reactor can control the air inflow of a reaction chamber of the reactor, and on the other hand, the breathing valve can be opened to release pressure during ignition and gas-off deflagration, so that explosion does not occur.
However, the above reactor has the following disadvantages in practical use: although the annular breather valve is arranged outside a gap between the breather valve slide way and the fixed reaction chamber sealing cover on the reactor rotating cylinder, so that the sealing between the reactor rotating cylinder and the reaction chamber sealing cover is kept, the sealing between the reactor rotating cylinder and the slide way bracket is difficult to keep, which can cause that the requirement of negative pressure operation cannot be well met in the reaction process.
Disclosure of Invention
The invention aims to provide a reactor for preparing magnesium sulfate from alkylated waste acid, which solves the problem that the existing reactor cannot well meet the requirement of negative pressure operation in the reaction process.
The invention provides a reactor for preparing magnesium sulfate by alkylating waste acid, which comprises: the reactor comprises a reactor rotating cylinder, a connecting cover, a fixed reaction chamber sealing cover, a pressure release valve and a negative pressure working device;
the connecting cover comprises a rotating cylinder connecting part and an sealing cover connecting part, the rotating cylinder connecting part is cylindrical, a rotating cylinder mounting cavity is arranged in the rotating cylinder connecting part, and the diameter of the rotating cylinder mounting cavity is matched with the outer diameter of the rotating cylinder of the reactor;
the sealing cover connecting part is in a hollow cylindrical barrel shape and comprises a right side bottom shell part, a peripheral surface part and a left side end cover part, the right side bottom shell part and the left side end cover part are arranged in parallel relatively, the right side bottom shell part is vertically connected to the peripheral surface of one end of the rotating barrel connecting part, the peripheral surface part is connected between the right side bottom shell part and the left side end cover part, and a cavity communicated with the rotating barrel mounting cavity is formed in the sealing cover connecting part;
the reactor rotating cylinder is arranged in the rotating cylinder mounting cavity and penetrates through the cavity to extend out of the left end cover part; the reactor rotating cylinder is fixedly connected with the connecting cover in the axial direction and the circumferential direction;
the inner side peripheral surface of the left side end cover part is provided with an annular roller groove, a plurality of rollers are rotationally connected in the left side end cover part, and the rollers are circularly distributed around the axis of the left side end cover part; the end surfaces of two sides of the left side end cover part are respectively provided with an annular sliding connecting groove;
an annular graphite sealing block is arranged in the annular graphite sealing block mounting groove, the annular graphite sealing block extends into the annular sliding connecting groove, an annular roller limiting groove is arranged at the bottom of the annular sealing groove, and the roller is in contact with the bottom surface of the annular roller limiting groove;
the end part of the fixed reaction chamber sealing cover extends into the cavity, and the end part of the reactor rotating cylinder extends into the fixed reaction chamber sealing cover and is in rotating fit with the fixed reaction chamber sealing cover;
the pressure relief valve is arranged on the peripheral surface part, and the negative pressure working device is arranged outside the fixed reaction chamber sealing cover and is communicated with the cavity through a negative pressure channel.
Optionally, the section of the annular graphite sealing block mounting groove is in a T shape.
Optionally, a gap is left between the inner circumferential surface of the left end cover portion and the annular groove of the enclosure.
Optionally, the outer diameter of the rotating cylinder connecting part is larger than the outer diameter of the sealing cover connecting part, and the rotating cylinder connecting part and the sealing cover connecting part are coaxially arranged.
Optionally, the width of the annular enclosure groove is greater than the thickness of the left end cover portion.
The invention has the following beneficial effects: the invention provides a reactor for preparing magnesium sulfate by alkylating waste acid, which comprises: the rotatory section of thick bamboo of reactor, the connecting cover, fixed reaction chamber sealing cover, relief valve and negative pressure equipment, the rotatory section of thick bamboo outside of reactor sets up the connecting cover, be connected with fixed reaction chamber sealing cover through the connecting cover, fixed reaction chamber sealing cover is provided with the sealed piece of annular graphite, through the sealed piece mounting groove contact of the sealed piece of annular graphite on inside and outside two sealed pieces of annular graphite and the connecting cover, realize dual rotary type sealing connection, produce the negative pressure through negative pressure equipment, so that the reactor satisfies the requirement of negative pressure operation well in reaction process, and the connecting cover is provided with the relief valve, the relief valve can open release pressure when igniteing and gas outage deflagration, thereby avoid producing the explosion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a reactor for preparing magnesium sulfate from alkylated waste acid according to the present invention.
FIG. 2 is a partially enlarged schematic view of the area A of the reactor for preparing magnesium sulfate by alkylating waste acid provided by the invention.
Illustration of the drawings: 1-a reactor rotating drum; 2-connecting the cover; 3-fixing the reaction chamber enclosure; 4-a pressure relief valve; 5-a negative pressure working device; 21-a rotating drum connection; 22-an enclosure connection; 211-rotating drum installation cavity; 221-a right base shell portion; 222-peripheral face; 223-left side end cover portion; 224-a cavity; 225-annular roller groove; 226-a roller; 227-annular sliding connecting groove; 31-an annular enclosure; 32-annular graphite sealing block mounting groove; 33-annular graphite sealing blocks; 34-an annular roller limiting groove; 51-negative pressure channel.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 and 2, an embodiment of the present invention provides a reactor for preparing magnesium sulfate from alkylated waste acid, including: the device comprises a reactor rotating cylinder 1, a connecting cover 2, a fixed reaction chamber sealing cover 3, a pressure release valve 4 and a negative pressure working device 5.
Wherein, the connecting cover 2 comprises a rotating cylinder connecting part 21 and an enclosure connecting part 22, and the rotating cylinder connecting part 21 and the enclosure connecting part 22 can adopt a split structure and are fixedly connected through a conventional fastener. The rotating cylinder connecting part 21 is cylindrical, a rotating cylinder mounting cavity 211 is arranged inside the rotating cylinder connecting part 21, and the diameter of the rotating cylinder mounting cavity 211 is matched with the outer diameter of the reactor rotating cylinder 1.
Specifically, the enclosure connecting portion 22 includes a hollow cylindrical tube shape, the enclosure connecting portion 22 includes a right bottom shell portion 221, a peripheral surface portion 222, and a left end cover portion 223, the right bottom shell portion 221 and the left end cover portion 223 are arranged in parallel, the right bottom shell portion 221 is vertically connected to the peripheral surface of one end of the rotary tube connecting portion 21, the peripheral surface portion 222 is connected between the right bottom shell portion 221 and the left end cover portion 223, and a cavity 224 communicating with the rotary tube mounting cavity 211 is formed in the enclosure connecting portion 22.
The reactor rotating cylinder 1 is arranged in the rotating cylinder mounting cavity 211 and extends out of the left end cover part 223 through the cavity 224; the reactor spin basket 1 is fixedly connected with the connecting cover 2 in the axial direction and the circumferential direction, so that the reactor spin basket 1 and the connecting cover 2 rotate synchronously.
Specifically, the inner circumferential surface of the left end cover portion 223 is provided with an annular roller groove 225, the left end cover portion 223 is rotatably connected with a plurality of rollers 226, the plurality of rollers 226 are circularly distributed around the axis of the left end cover portion 223, and two side end surfaces of the left end cover portion 223 are respectively provided with an annular sliding connection groove 227. The outer peripheral face of the one end of the fixed reaction chamber sealing cover 3 is provided with a sealing cover ring groove 31, the inside both sides cell wall of the sealing cover ring groove 31 is provided with an annular graphite sealing block mounting groove 32, the annular graphite sealing block 33 is arranged in the annular graphite sealing block mounting groove 32, the annular graphite sealing block 33 stretches into the annular sliding connecting groove 227, the sealing connection of rotating things is realized, the bottom of the sealing cover ring groove 31 is provided with an annular roller limiting groove 34, and the roller 226 contacts with the bottom surface of the annular roller limiting groove 34.
Specifically, the annular graphite sealing block 33 may be a carbon-graphite ring, may be widely adapted to media such as hot water, high temperature, high pressure steam, heat exchange fluid, nitrogen, organic solvent, hydrocarbon, low temperature liquid, and the like, is suitable for sealing a mechanical rotation part, and has characteristics of high temperature resistance, corrosion resistance, and wear resistance.
The end of the fixed reaction chamber sealing cover 3 extends into the cavity 224, the end of the reactor rotating cylinder 1 extends into the fixed reaction chamber sealing cover 3 and is in rotating fit with the fixed reaction chamber sealing cover 3, the pressure release valve 4 is arranged on the peripheral surface part 222, and the negative pressure working device 5 is arranged outside the fixed reaction chamber sealing cover 3 and is communicated with the cavity 224 through the negative pressure channel 51. Accessible negative pressure equipment 5 produces the negative pressure to make the reactor satisfy the requirement of negative pressure operation well in reaction process, and the connecting cover is provided with relief valve 4, and the relief valve can open release pressure when ignition and gas are disconnected gas and are exploded, thereby avoids producing the explosion.
Preferably, the section of the annular graphite sealing block mounting groove 32 is T-shaped. A gap is left between the inner peripheral surface of the left end cover portion 223 and the cover annular groove 31. The outer diameter of the rotary cylinder connecting part 21 is larger than that of the sealing cover connecting part 22, and the rotary cylinder connecting part 21 and the sealing cover connecting part 22 are coaxially arranged. The width of the enclosure annular groove 31 is larger than the thickness of the left-side end cover portion 223.
In conclusion, according to the reactor for preparing magnesium sulfate from alkylated waste acid, the connecting cover 2 is arranged outside the rotating cylinder 1 of the reactor, the connecting cover 2 is connected with the fixed reaction chamber sealing cover 3, the fixed reaction chamber sealing cover 3 is provided with the annular graphite sealing block 33, the inner annular graphite sealing block 33 and the outer annular graphite sealing block 33 are in contact with the annular graphite sealing block mounting groove 32 on the connecting cover, double rotary type sealing connection is achieved, negative pressure is generated through the negative pressure working device 5, so that the reactor can well meet the requirement of negative pressure operation in the reaction process, the connecting cover 2 is provided with the pressure release valve 4, and the pressure release valve 4 can be opened to release pressure during ignition and gas-off deflagration, so that explosion is avoided.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A reactor for preparing magnesium sulfate by alkylating waste acid is characterized by comprising: the device comprises a reactor rotating cylinder (1), a connecting cover (2), a fixed reaction chamber sealing cover (3), a pressure release valve (4) and a negative pressure working device (5);
the connecting cover (2) comprises a rotating cylinder connecting part (21) and an enclosure connecting part (22), the rotating cylinder connecting part (21) is cylindrical, a rotating cylinder mounting cavity (211) is arranged inside the rotating cylinder connecting part (21), and the diameter of the rotating cylinder mounting cavity (211) is matched with the outer diameter of the reactor rotating cylinder (1);
the sealing cover connecting part (22) is in a hollow cylindrical tube shape, the sealing cover connecting part (22) comprises a right side bottom shell part (221), a peripheral surface part (222) and a left side end cover part (223), the right side bottom shell part (221) and the left side end cover part (223) are arranged in parallel relatively, the right side bottom shell part (221) is vertically connected to the outer peripheral surface of one end of the rotating tube connecting part (21), the peripheral surface part (222) is connected between the right side bottom shell part (221) and the left side end cover part (223), and a cavity (224) communicated with the rotating tube mounting cavity (211) is formed in the sealing cover connecting part (22);
the reactor rotating cylinder (1) is arranged in the rotating cylinder mounting cavity (211) and extends out of the left end cover part (223) through the cavity (224); the reactor rotating cylinder (1) is fixedly connected with the connecting cover (2) in the axial direction and the circumferential direction;
the inner side peripheral surface of the left side end cover part (223) is provided with an annular roller groove (225), the left side end cover part (223) is rotatably connected with a plurality of rollers (226), and the rollers (226) are circularly distributed around the axis of the left side end cover part (223); the end surfaces of two sides of the left side end cover part (223) are respectively provided with an annular sliding connecting groove (227);
an annular sealing cover groove (31) is formed in the outer peripheral face of one end of the fixed reaction chamber sealing cover (3), annular graphite sealing block mounting grooves (32) are formed in two side groove walls inside the annular sealing cover groove (31), an annular graphite sealing block (33) is arranged in each annular graphite sealing block mounting groove (32), each annular graphite sealing block (33) extends into each annular sliding connecting groove (227), an annular roller limiting groove (34) is formed in the bottom of the annular sealing cover groove (31), and the rollers (226) are in contact with the bottom face of each annular roller limiting groove (34);
the end of the fixed reaction chamber sealing cover (3) extends into the cavity (224), and the end of the reactor rotating cylinder (1) extends into the fixed reaction chamber sealing cover (3) and is in rotating fit with the fixed reaction chamber sealing cover (3);
the pressure relief valve (4) is arranged on the peripheral surface portion (222), and the negative pressure working device (5) is arranged outside the fixed reaction chamber sealing cover (3) and communicated with the cavity (224) through a negative pressure channel (51).
2. A reactor for magnesium sulphate production from alkylated waste acid as claimed in claim 1 wherein the annular graphite sealing block mounting groove (32) is T-shaped in cross-section.
3. A reactor for magnesium sulphate production from spent acid alkylation according to claim 2 wherein a gap is left between the inner peripheral surface of the left end cover (223) and the annular enclosure groove (31).
4. A reactor for magnesium sulphate production from alkylated waste acid according to claim 3 wherein the outer diameter of the rotary drum connection (21) is larger than the outer diameter of the enclosure connection (22), the rotary drum connection (21) being arranged coaxially with the enclosure connection (22).
5. A reactor for magnesium sulphate production from alkylated waste acid as claimed in claim 4 wherein the width of the annular enclosure groove (31) is greater than the thickness of the left end cover section (223).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700277 | 2020-07-20 | ||
| CN2020107002770 | 2020-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112023867A true CN112023867A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010957409.8A Pending CN112023867A (en) | 2020-07-20 | 2020-09-13 | Reactor for preparing magnesium sulfate from alkylation waste acid |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102022560A (en) * | 2010-12-24 | 2011-04-20 | 武汉策尔曼自动化设备有限公司 | Pressure-filled sealing valve |
| US20120063965A1 (en) * | 2010-09-10 | 2012-03-15 | Coates Ralph L | Method and apparatus for fast pyrolysis of biomass in rotary kilns |
| KR20150007025A (en) * | 2013-07-10 | 2015-01-20 | 제일모직주식회사 | Apparatus and method for continuous solid state polymerization |
| CN204922001U (en) * | 2015-08-19 | 2015-12-30 | 陕西煤业化工集团神木天元化工有限公司 | Rotary reactor bi -polar face bellows cylinder combination formula seal structure |
| CN105526797A (en) * | 2014-10-20 | 2016-04-27 | 四川绿冶科技有限责任公司 | Rotary kiln sealing device |
| CN109574044A (en) * | 2018-11-20 | 2019-04-05 | 盘锦泓实环保科技有限公司 | A kind of production technology using alkylation spent acid production sulfate |
| CN213376543U (en) * | 2020-07-20 | 2021-06-08 | 盘锦泓实环保科技有限公司 | Synthetic reaction unit of alkylation waste sulfuric acid production magnesium sulfate |
-
2020
- 2020-09-13 CN CN202010957409.8A patent/CN112023867A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120063965A1 (en) * | 2010-09-10 | 2012-03-15 | Coates Ralph L | Method and apparatus for fast pyrolysis of biomass in rotary kilns |
| CN102022560A (en) * | 2010-12-24 | 2011-04-20 | 武汉策尔曼自动化设备有限公司 | Pressure-filled sealing valve |
| KR20150007025A (en) * | 2013-07-10 | 2015-01-20 | 제일모직주식회사 | Apparatus and method for continuous solid state polymerization |
| CN105526797A (en) * | 2014-10-20 | 2016-04-27 | 四川绿冶科技有限责任公司 | Rotary kiln sealing device |
| CN204922001U (en) * | 2015-08-19 | 2015-12-30 | 陕西煤业化工集团神木天元化工有限公司 | Rotary reactor bi -polar face bellows cylinder combination formula seal structure |
| CN109574044A (en) * | 2018-11-20 | 2019-04-05 | 盘锦泓实环保科技有限公司 | A kind of production technology using alkylation spent acid production sulfate |
| CN213376543U (en) * | 2020-07-20 | 2021-06-08 | 盘锦泓实环保科技有限公司 | Synthetic reaction unit of alkylation waste sulfuric acid production magnesium sulfate |
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| PB01 | Publication | ||
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Application publication date: 20201204 |