CN219807232U - Thermal insulation storage tank for producing sulfuric acid by using furfural - Google Patents
Thermal insulation storage tank for producing sulfuric acid by using furfural Download PDFInfo
- Publication number
- CN219807232U CN219807232U CN202320578225.XU CN202320578225U CN219807232U CN 219807232 U CN219807232 U CN 219807232U CN 202320578225 U CN202320578225 U CN 202320578225U CN 219807232 U CN219807232 U CN 219807232U
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- wall
- insulation
- storage tank
- pipe
- holding vessel
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 48
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 title claims description 31
- 238000005260 corrosion Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000004321 preservation Methods 0.000 claims abstract description 21
- HSJKGGMUJITCBW-UHFFFAOYSA-N 3-hydroxybutanal Chemical compound CC(O)CC=O HSJKGGMUJITCBW-UHFFFAOYSA-N 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 3
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 37
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 235000011149 sulphuric acid Nutrition 0.000 description 6
- 239000001117 sulphuric acid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 229920001973 fluoroelastomer Polymers 0.000 description 3
- 229910000856 hastalloy Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Abstract
The utility model discloses a sulfuric acid heat preservation storage tank for producing furfural, which comprises a heat preservation tank, a storage tank body, a refrigerator, a wall pipe and a sealing cover, wherein the storage tank body is fixed in the heat preservation tank, the wall pipe is fixed on the outer wall of the heat preservation tank, equidistant air outlets are formed in the inner wall of the heat preservation tank at the position of the wall pipe, a liquid filling opening is formed in the center position of the top end of the heat preservation tank, a liquid filling pipe is arranged at the center position of the top end of the storage tank body, the top end of the liquid filling pipe extends to the inside of the liquid filling opening and is provided with the sealing plug, the sealing cover is arranged at the top end of the liquid filling opening, and the refrigerator is arranged on one side of the heat preservation tank. The utility model not only ensures that the storage tank body is not influenced by the environmental temperature, so that the sulfuric acid is stored in a constant-temperature environment, the storage is more stable, the sealing performance of the storage tank is improved, the corrosion resistance of the storage tank is enhanced, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of aldol production, in particular to a sulfuric acid heat preservation storage tank for aldol production.
Background
The method for producing the furfural is characterized in that the aldehyde is obtained by taking fibers containing pentose as raw materials and hydrolyzing, the direct acid method can be adopted in the current production method of the furfural at home and abroad, inorganic acid such as sulfuric acid is used as a catalyst, the hydrolysis of xylose is catalyzed at high temperature to generate the furfural, and the furfural is further refined and purified after being extracted by gas stripping or a solvent to obtain a pure product of the furfural, wherein the sulfuric acid is usually stored by using a thermal insulation storage tank.
1. Because the common heat-preserving storage tank adopts a single heat-preserving structure, the storage tank is easily influenced by external environmental factors, and the environmental temperature can influence the temperature in the tank, so that the storage of sulfuric acid is not stable enough, and a certain potential safety hazard exists; 2. the liquid filling pipe of the storage tank is generally sealed by using a sealing plug, when the pressure in the tank is increased, the sealing plug is ejected out, and the sealing plug is easy to reduce in sealing performance due to ageing, so that the sealing performance of the storage tank is affected; 3. the corrosion resistance of the storage tank is general, the storage tank is easy to be corroded by sulfuric acid, and the service life is shortened.
Disclosure of Invention
The utility model aims to provide a sulfuric acid heat preservation storage tank for producing furfural so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a aldol production sulfuric acid heat preservation holding vessel, includes insulation can, holding vessel body, refrigerator, wall pipe and sealed lid, the holding vessel body is fixed in the inside of insulation can, just the central point department of holding vessel body bottom installs the fluid-discharge tube, and the bottom of fluid-discharge tube extends to the below of insulation can and installs the control valve, the wall pipe is fixed on the outer wall of insulation can, just all be provided with equidistant air outlet on the insulation can inner wall of wall pipe position department, air outlet and wall pipe intercommunication, the central point department on insulation can top is provided with the liquid filling port, the central point department on holding vessel body top installs the notes liquid pipe, just the top of notes liquid pipe extends to the inside of liquid filling port and is provided with the sealing plug, sealed lid sets up the top at the liquid filling port, and closely laminate with the sealing plug, the refrigerator sets up in one side of insulation can, just the top of refrigerator installs the draught fan, the input and the ware intercommunication of draught fan, the output and the wall pipe intercommunication, the temperature and humidity sensor who adds liquid filling port one side installs the inside sensor's the inside sensor to the inside of the holding vessel body, the inside sensor that the pressure sensor is installed to the inside pressure sensor to the inside of holding vessel top of holding vessel, the pressure sensor is installed to the inside sensor on the inside of the holding vessel top extension tank, the pressure sensor that the pressure sensor is installed to the inside of pressure sensor on the top extension tank.
Preferably, an electric heating ring is arranged on the inner wall of the bottom of the insulation box, so that the insulation box is convenient to heat and provide heat when the temperature in the insulation box is too low, and the influence of the too low temperature on sulfuric acid is prevented.
Preferably, the inner wall of the storage tank body is fixedly provided with a corrosion-resistant liner, and the corrosion-resistant liner can be made of hastelloy, so that the storage tank has good corrosion resistance, good thermal stability and good corrosion resistance.
Preferably, threaded holes are formed in two sides of the bottom of the liquid filling hole, and the fastening bolts are conveniently fixed.
Preferably, the two sides of the inside of the sealing cover are provided with fastening bolts, the fastening bolts are in threaded connection with the sealing cover, and the bottom ends of the fastening bolts extend to the inside of the threaded holes and are in threaded connection with the threaded holes, so that the sealing cover is conveniently fixed.
Preferably, the inner surface of the corrosion-resistant inner container is coated with a corrosion-resistant coating, and the corrosion-resistant coating can be high-solid-content elastic fluororubber heavy-duty anticorrosive coating, so that the corrosion resistance of the corrosion-resistant inner container is further enhanced.
Compared with the prior art, the utility model has the beneficial effects that: the heat-preservation storage tank for producing sulfuric acid from the furfural ensures that the storage tank body is not influenced by the ambient temperature, so that sulfuric acid is stored in a constant-temperature environment, the storage is more stable, the sealing performance of the storage tank is improved, the corrosion resistance of the storage tank is enhanced, and the service life is prolonged;
(1) Through being provided with incubator, refrigerator, draught fan, wall pipe, air outlet, temperature sensor, because the outside of holding vessel body is equipped with the incubator, temperature sensor carries out real-time supervision to the inside temperature of incubator, when the inside temperature of incubator exceeded the best temperature of sulphuric acid storage, the draught fan draws out and carries into the wall pipe with the inside cold air of refrigerator, cold air enters into the incubator through the air outlet, cool down, make the inside temperature of incubator keep at the constant value all the time, the heating wire of incubator bottom can heat when the inside temperature of incubator is too low and provide heat, prevent the influence of temperature too low to sulphuric acid, thereby guarantee that the holding vessel body does not receive ambient temperature's influence, make the sulphuric acid storage under constant temperature environment, the storage is more stable;
(2) Through being provided with filling opening, screw hole, sealed lid, fastening bolt, can seal the notes liquid pipe through the sealing plug, cover sealed lid on the filling opening, rotate fastening bolt again and make it precess in the screw hole, fix sealed lid, sealed lid compresses tightly the sealing plug, not only can prevent that the sealing plug from taking place not hard up, has played double seal's effect moreover to the leakproofness of holding vessel has been promoted;
(3) Through being provided with corrosion-resistant inner bag, corrosion-resistant coating, because corrosion-resistant inner bag is fixed on the inner wall of holding vessel body, corrosion-resistant inner bag can adopt hastelloy material, has good corrosion resistance and thermal stability, and corrosion-resistant coating on the inner wall of corrosion-resistant inner bag can be high-solid elastic fluororubber heavy anti-corrosion coating, has further strengthened corrosion resistance to the corrosion resistance of holding vessel has been strengthened, life has been prolonged.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B;
fig. 4 is a schematic view of a partial cross-sectional structure of a storage tank body according to the present utility model.
In the figure: 1. an insulation box; 2. a storage tank body; 3. a liquid discharge pipe; 4. a refrigerator; 5. an induced draft fan; 6. a wall tube; 7. an air outlet; 8. a temperature sensor; 9. a temperature and humidity sensor; 10. a pressure sensor; 11. a liquid injection pipe; 12. a sealing plug; 13. a liquid adding port; 14. a threaded hole; 15. sealing cover; 16. a fastening bolt; 17. a pressure relief tube; 18. a pressure release valve; 19. a corrosion resistant liner; 20. a corrosion resistant coating.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a sulfuric acid heat preservation holding vessel of aldol production, includes insulation can 1, holding vessel body 2, refrigerator 4, wall pipe 6 and sealed lid 15, and holding vessel body 2 is fixed in insulation can 1's inside, and the central point department of holding vessel body 2 bottom installs fluid-discharge tube 3, and the bottom of fluid-discharge tube 3 extends to insulation can 1's below and installs the control valve;
the wall pipe 6 is fixed on the outer wall of the insulation box 1, and equidistant air outlets 7 are arranged on the inner wall of the insulation box 1 at the position of the wall pipe 6, and the air outlets 7 are communicated with the wall pipe 6;
a liquid adding port 13 is arranged at the center of the top end of the heat preservation box 1;
screw holes 14 are formed in two sides of the bottom of the liquid adding hole 13, so that the fastening bolt 16 can be conveniently fixed;
a liquid injection pipe 11 is arranged at the central position of the top end of the storage tank body 2, and the top end of the liquid injection pipe 11 extends to the inside of the liquid filling opening 13 and is provided with a sealing plug 12;
the sealing cover 15 is arranged at the top end of the liquid adding port 13, and the bottom end of the sealing cover 15 extends to the inside of the liquid adding port 13 and is tightly attached to the sealing plug 12;
the two sides of the inside of the sealing cover 15 are provided with the fastening bolts 16, the fastening bolts 16 are in threaded connection with the sealing cover 15, and the bottom ends of the fastening bolts 16 extend into the threaded holes 14 and are in threaded connection with the threaded holes, so that the sealing cover 15 is conveniently fixed;
the refrigerator 4 is arranged at one side of the heat insulation box 1, the top end of the refrigerator 4 is provided with an induced draft fan 5, the input end of the induced draft fan 5 is communicated with the refrigerator 4, and the output end of the induced draft fan 5 is communicated with the wall pipe 6;
a temperature and humidity sensor 9 is arranged at the top end of the heat preservation box 1 at one side of the liquid filling opening 13, and the bottom end of the temperature and humidity sensor 9 extends into the storage tank body 2;
the top end of the heat preservation box 1 at the other side of the liquid filling port 13 is provided with a pressure sensor 10, and the bottom end of the pressure sensor 10 extends to the inside of the storage tank body 2;
a temperature sensor 8 is arranged on the inner wall of the top of the heat preservation box 1;
an electric heating ring is arranged on the inner wall of the bottom of the heat preservation box 1, so that the heat is conveniently provided by heating when the temperature in the heat preservation box 1 is too low, and the influence of the too low temperature on sulfuric acid is prevented;
the inner wall of the storage tank body 2 is fixedly provided with the corrosion-resistant liner 19, and the corrosion-resistant liner 19 can be made of hastelloy, so that the storage tank has good corrosion resistance and thermal stability and good corrosion resistance effect;
the inner surface of the corrosion-resistant liner 19 is coated with a corrosion-resistant coating 20, and the corrosion-resistant coating 20 can be high-solid-content elastic fluororubber heavy-duty anticorrosive coating, so that the corrosion resistance of the corrosion-resistant liner 19 is further enhanced;
the outer wall at the top of the storage tank body 2 is provided with a pressure relief pipe 17, one end of the pressure relief pipe 17 extends to the outside of the heat insulation box 1, and the pressure relief valve 18 is arranged in the pressure relief pipe 17.
When the embodiment of the utility model is used, the following steps are adopted: firstly, because the outside of holding vessel body 2 is equipped with incubator 1, temperature sensor 8 carries out real-time supervision to the inside temperature of incubator 1, when the inside temperature of incubator 1 exceeded the optimal temperature of sulphuric acid storage, induced draft fan 5 draws out the inside cold air of refrigerator 4 and carries into wall pipe 6, cold air enters into incubator 1 through air outlet 7, cool down, open the control valve simultaneously and make the hot air discharge through the exhaust pipe of incubator 1 bottom, make the inside temperature of incubator 1 keep at invariable value, the heating wire of incubator 1 bottom can heat when incubator 1 inside temperature is too low, prevent the influence of temperature too low to sulphuric acid, this setting makes holding vessel body 2 not receive ambient temperature's influence, make sulphuric acid storage under constant temperature environment, afterwards, use sealing plug 12 can seal up notes liquid pipe 11, cover sealing cap 15 on liquid filler opening 13, again rotate fastening bolt 16 makes its precession screw hole 14 in, fix sealing cap 15, sealing cap 12 compresses tightly, can not prevent only that 12 from taking place not become flexible, and the dual seal up effect has been used for the inner wall of high corrosion resistance, thereby, the inner wall of a jar is coated with high corrosion resistance, and resistance 20 has been used for the inner liner, thereby, high corrosion resistance can be used for the inner container, and storage vessel is coated with high corrosion resistance, and has been used, high corrosion resistance, and has been used for the inner liner, and has been used.
Claims (5)
1. The utility model provides a sugar aldehyde production sulfuric acid heat preservation holding vessel, its characterized in that, including insulation can (1), holding vessel body (2), refrigerator (4), wall pipe (6) and sealed lid (15), the inside at insulation can (1) is fixed to holding vessel body (2), just the central point department of holding vessel body (2) bottom installs fluid-discharge tube (3), and the bottom of fluid-discharge tube (3) extends to the below of insulation can (1) and installs the control valve, wall pipe (6) are fixed on the outer wall of insulation can (1), just all be provided with equidistant air outlet (7) on insulation can (1) inner wall of wall pipe (6) position department, air outlet (7) and wall pipe (6) intercommunication, the central point department at insulation can (1) top is provided with liquid filling port (13), and the central point department at holding vessel body (2) top installs liquid filling pipe (11), and the top of liquid filling pipe (11) extends to the inside of liquid filling port (13) and is provided with the control valve, sealing lid (12) are provided with on the sealing plug (15) and extend to one side of sealing plug (13) in the insulation can (1), just draught fan (5) are installed on the top of refrigerator (4), and the input and the refrigerator (4) intercommunication of draught fan (5), the output and the wall pipe (6) intercommunication of draught fan (5), temperature and humidity sensor (9) are installed on insulation can (1) top of filling opening (13) one side, and inside temperature and humidity sensor (9)'s bottom extends to holding vessel body (2), pressure sensor (10) are installed on insulation can (1) top of filling opening (13) opposite side, and inside that pressure sensor (10)'s bottom extends to holding vessel body (2), install temperature sensor (8) on the inner wall at insulation can (1) top, install pressure release pipe (17) on the outer wall at holding vessel body (2) top, the one end of pressure release pipe (17) extends to the outside of holding vessel (1), just internally mounted of pressure release pipe (17) has relief valve (18).
2. The aldol production sulfuric acid holding tank of claim 1, wherein: an electric heating ring is arranged on the inner wall of the bottom of the heat preservation box (1).
3. The aldol production sulfuric acid holding tank of claim 1, wherein: an anti-corrosion liner (19) is fixed on the inner wall of the storage tank body (2).
4. The aldol production sulfuric acid holding tank of claim 1, wherein: screw holes (14) are formed in two sides of the bottom of the liquid adding hole (13).
5. The heat preservation storage tank for producing sulfuric acid from furfural according to claim 4, wherein: both sides inside sealed lid (15) are provided with fastening bolt (16), and fastening bolt (16) and sealed lid (15) threaded connection, the bottom of fastening bolt (16) extends to the inside of screw hole (14) and with its threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320578225.XU CN219807232U (en) | 2023-03-22 | 2023-03-22 | Thermal insulation storage tank for producing sulfuric acid by using furfural |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320578225.XU CN219807232U (en) | 2023-03-22 | 2023-03-22 | Thermal insulation storage tank for producing sulfuric acid by using furfural |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219807232U true CN219807232U (en) | 2023-10-10 |
Family
ID=88212035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320578225.XU Active CN219807232U (en) | 2023-03-22 | 2023-03-22 | Thermal insulation storage tank for producing sulfuric acid by using furfural |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219807232U (en) |
-
2023
- 2023-03-22 CN CN202320578225.XU patent/CN219807232U/en active Active
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| GR01 | Patent grant |