CN203938620U - A kind of thick isopropylformic acid refining plant - Google Patents
A kind of thick isopropylformic acid refining plant Download PDFInfo
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- CN203938620U CN203938620U CN201420386248.1U CN201420386248U CN203938620U CN 203938620 U CN203938620 U CN 203938620U CN 201420386248 U CN201420386248 U CN 201420386248U CN 203938620 U CN203938620 U CN 203938620U
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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
- Y02P20/10—Process efficiency
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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
- Y02P20/50—Improvements relating to the production of bulk chemicals
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Abstract
The utility model discloses a kind of thick isopropylformic acid refining plant, it comprises the treating tower that is connected with thick isopropylformic acid access tube, thick isopropylformic acid refining plant also comprises condenser, return tank, neutralizing tower and output of products tank, the steam access tube being communicated with its inner chamber is housed on treating tower, the tower top for the treatment of tower is connected with cut output tube, the end of cut output tube is connected on condenser, product flow siphunculus is housed between condenser and return tank, product flow siphunculus stretches to below the liquid level in return tank, the top of return tank is connected with neutralizing tower by extraction pipe, neutralizing tower is connected with vacuum pump by pipeline, product reflux pipe is equipped with in the bottom of return tank, on product reflux pipe, reflux pump is housed, the end of product reflux pipe is connected with forced refluence pipe and product-collecting pipe, on output of products tank, be connected with output of products pipe, product stopple coupon is housed on output of products tank.The utlity model has that heat exchange efficiency is high, yield is high, rectifying separation is effective and the advantageous effect of energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of thick isopropylformic acid refining plant.
Background technology
Isopropylformic acid has widespread use as flavouring agent, medicine and fine chemical material, and its preparation method can be divided into Isobutyraldehyde process and isopropylcarbinol oxidation style by raw material sources.In isopropylcarbinol oxidation style, oxygenant adopts the mixture of air or oxygen and rare gas element, and this kind of method product yield is low, and productive rate is only 73%-76%, and production cost is high, by product is many, three wastes treatment capacity is large, thereby it applies limited.Existing enterprise adopts isobutyraldehyde oxidation method mostly, the applicant has adopted a kind of novel isobutyraldehyde oxidation method to produce isobutyric method, concrete technology is as follows: under the effect of catalyzer, in reaction tower, pass into nitrogen (as shielding gas) and air, to the spraying that sprays into isobutyric aldehyde and water in reaction tower, thereby carry out above-mentioned oxidizing reaction, after finishing, oxidizing reaction makes thick isopropylformic acid after condenser condenses, again thick isopropylformic acid is incorporated to treating tower, under the condition of negative pressure, carry out rectifying, each component in thick isopropylformic acid is gone out according to the different single flashs of boiling point, highly purified isopropylformic acid enters isopropylformic acid storage tank by the road.In above-mentioned technique, carry out when rectified purified, after thick isopropylformic acid rectifying, in its expellant gas, also containing acidic substance at thick isopropylformic acid, easily equipment is caused acid corrosion and causes atmospheric pollution, do not have now a set of equipment can realize this rectified purified technique.
Utility model content
The utility model provides a kind of thick isopropylformic acid refining plant that can realize efficiently above-mentioned rectified purified technique for the problems referred to above.
In order to solve the problems of the technologies described above, the utility model provides a kind of thick isopropylformic acid refining plant of following constructional feature, comprise the treating tower that is connected with thick isopropylformic acid access tube, its constructional feature is: described thick isopropylformic acid refining plant also comprises condenser, return tank, neutralizing tower and output of products tank, the steam access tube being communicated with its inner chamber is housed on treating tower, the tower top for the treatment of tower is connected with cut output tube, the end of cut output tube is connected on condenser, product flow siphunculus is housed between condenser and return tank, product flow siphunculus stretches to below the liquid level in return tank, the top of return tank is connected with neutralizing tower by extraction pipe, neutralizing tower is connected with vacuum pump by pipeline, product reflux pipe is equipped with in the bottom of return tank, on product reflux pipe, reflux pump is housed, the end of product reflux pipe is connected with the forced refluence pipe that leads to treating tower top and the product-collecting pipe that leads to output of products tank, on output of products tank, be connected with output of products pipe, product stopple coupon is housed on output of products tank.
Adopt after said structure, thick isopropylformic acid is entered in treating tower through thick isopropylformic acid access tube, under the effect of vacuum pump, form negative pressure, under the effect of steam, make thick isopropylformic acid carry out rectifying, because suction function can make the boiling point lowering of each component, each component is isolated along with boiling point difference, after cut enters in return tank, be introduced into output of products tank by product reflux pipe, sample by product stopple coupon, sample after qualified and export from product output tube, if product sampling is defective, be back to treating tower through forced refluence pipe and again carry out rectifying separation, ensure quality product, and be provided with neutralizing tower, acidic substance in pumped gas can be neutralized, avoid obnoxious flavour carry out acid corrosion and avoided atmospheric pollution equipment.
As improvement of the present utility model, thick isopropylformic acid refining plant also comprises product-collecting tank, on described product-collecting pipe, be connected with the circulation branch road that leads to product-collecting tank, product stopple coupon is also housed on product-collecting tank, in the time passing into steam rectifying, can first the cut flowing out from return tank be entered to product-collecting tank, in product-collecting tank, sample, if it is qualified to sample, cut enters in output of products tank, if sample defectively, can again enter treating tower by the backflow of reflux pump.
Condenser comprises condenser tank, condenser tank inner chamber is partitioned into condenser input and output material chamber by ring flange, condenser heat exchanging chamber and condenser torus, in condenser input and output material chamber, be equipped with its upper and lower separated condenser space bar, described product flow siphunculus and cut output tube correspondence are connected on condenser tank and with condenser heat exchanging chamber and are communicated with, circulating pipe with condenser input and output material chamber is housed on condenser tank, spaced multiple condenser traverse baffle is housed in condenser heat exchanging chamber, on ring flange, be connected with many condensers that are communicated with condenser input and output material chamber and condenser torus respectively through condenser heat exchanging chamber and both ends by pipe.
Treating tower comprises refining tower body and the recycle tower body that inner chamber is communicated with, described thick isopropylformic acid access tube stretches into refining tower body inner bottom part, described steam access tube is connected to the middle part of refining tower body, in refining tower body, be provided with the steam decollator that is positioned at steam access tube admission port place, in recycle tower body, be provided with gas-liquid separator, described forced refluence pipe is connected to the top of recycle tower body.
During neutralizing tower comprises and tower body, in and tower body is in-built spaced multiple sparger from top to bottom, between adjacent two spargers, be provided with filler chamber, described extraction pipe is connected to and is arranged in below sparger portion's section below and tower body, in be connected with vacuum pump by pipeline with the top of tower body.
In sum, what the utility model can be energy-efficient realizes above-mentioned rectification and purification technique, has that heat exchange efficiency is high, yield is high, rectifying separation is effective and the advantageous effect of energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation for the treatment of tower;
Fig. 3 is the structural representation of condenser;
Fig. 4 is the structural representation of neutralizing tower.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail:
As shown in Figure 1, thick isopropylformic acid refining plant provided by the utility model comprises the treating tower 1 setting gradually, condenser 2, return tank 3, neutralizing tower 4, product-collecting tank 5 and output of products tank 6, arrow in figure represents the flow direction of material, the cut that solid line in figure represents, steam and the water coolant of two dot chain line representative, on treating tower 1, be connected with thick isopropylformic acid access tube 11, the steam access tube 10 being communicated with its inner chamber is housed on treating tower 1, the tower top for the treatment of tower 1 is connected with cut output tube 12, the end of cut output tube 12 is connected on condenser 2, between condenser 2 and return tank 3, product flow siphunculus 13 is housed, product flow siphunculus 13 stretches to below the liquid level in return tank 3, the top of return tank 3 is connected with neutralizing tower 4 by extraction pipe 18, neutralizing tower 4 is connected with vacuum pump 8 by pipeline, product reflux pipe 14 is equipped with in the bottom of return tank 3, reflux pump 7 is housed on product reflux pipe 14, the end of product reflux pipe 14 is connected with the forced refluence pipe 15 that leads to treating tower 1 top and the product-collecting pipe 16 that leads to output of products tank 6, on output of products tank 6, be connected with output of products pipe 17, product stopple coupon 19 is housed on output of products tank 6, on product-collecting pipe 16, be connected with the circulation branch road that leads to product-collecting tank 5, product stopple coupon 19 is also housed on product-collecting tank 5, on product-collecting tank 5, be also connected with output of products pipe 17, the said products collection tube 16, output of products pipe 17, forced refluence pipe 15 and lead on the circulation branch road of product-collecting tank 5 valve is housed respectively, thereby can control the flow direction of material.
As shown in figures 1 and 3, condenser 2 comprises condenser tank 21, condenser tank 21 inner chambers are partitioned into condenser input and output material chamber 22 by ring flange, condenser heat exchanging chamber 23 and condenser torus 24, in condenser input and output material chamber 22, be equipped with its upper and lower separated condenser space bar 27, described product flow siphunculus 13 and cut output tube 12 correspondences are connected on condenser tank 21 and with condenser heat exchanging chamber 24 and are communicated with, circulating pipe 20 with condenser input and output material chamber 22 is housed on condenser tank 21, spaced multiple condenser traverse baffle 25 is housed in condenser heat exchanging chamber 24, on ring flange, be connected with many condensers that are communicated with condenser input and output material chamber and condenser torus respectively through condenser heat exchanging chamber 24 and both ends by pipe 26.
As depicted in figs. 1 and 2, treating tower 1 comprises refining tower body 1-1 and the recycle tower body 1-3 that inner chamber is communicated with, described thick isopropylformic acid access tube 11 stretches into refining tower body 1-1 inner bottom part, above-mentioned steam access tube 10 is connected to the middle part of refining tower body 1-1, in refining tower body 1-1, be provided with the steam decollator 1-2 that is positioned at steam access tube 10 admission port places, in recycle tower body 1-3, be provided with gas-liquid separator 1-4, above-mentioned forced refluence pipe 15 is connected to the top of recycle tower body 1-3, above-mentioned steam decollator 1-2 adopts and blocks spray window construction, its concrete structure is prior art, above-mentioned gas-liquid separator 1-4 adopts filter screen type structure, its structure is also prior art, do not repeat them here.
As shown in Figure 1 and Figure 4, during neutralizing tower 4 comprises and tower body 41, in and tower body 41 in spaced multiple sparger 42 is from top to bottom housed, between adjacent two spargers 42, be provided with filler chamber 43, the concrete structure of this sparger 42 and filler chamber is prior art, sparger 42 adopts screen plate structure, in filler chamber 43, add sheet alkali (sodium hydroxide) or other alkaline substance, thereby play neutralizing effect, described extraction pipe 18 is connected to and is arranged in sparger 42 belows and portion's section tower body 41 in below, in be connected with vacuum pump 8 by pipeline with the top of tower body 41.
The above is specific constructive form of the present utility model; the utility model is not restricted to the described embodiments; the art personnel, the equivalent variations based on concrete structure on the utility model and parts are replaced all in protection domain of the present utility model.
Claims (5)
1. a thick isopropylformic acid refining plant, comprise the treating tower (1) that is connected with thick isopropylformic acid access tube (11), it is characterized in that: described thick isopropylformic acid refining plant also comprises condenser (2), return tank (3), neutralizing tower (4) and output of products tank (6), the steam access tube (10) being communicated with its inner chamber is housed on treating tower (1), the tower top for the treatment of tower (1) is connected with cut output tube (12), the end of cut output tube (12) is connected on condenser (2), between condenser (2) and return tank (3), product flow siphunculus (13) is housed, product flow siphunculus (13) stretches to below the liquid level in return tank (3), the top of return tank (3) is connected with neutralizing tower (4) by extraction pipe (18), neutralizing tower (4) is connected with vacuum pump (8) by pipeline, product reflux pipe (14) is equipped with in the bottom of return tank (3), reflux pump (7) is housed on product reflux pipe (14), the end of product reflux pipe (14) is connected with the forced refluence pipe (15) that leads to treating tower (1) top and the product-collecting pipe (16) that leads to output of products tank (6), on output of products tank (6), be connected with output of products pipe (17), product stopple coupon (19) is housed on output of products tank (6).
2. thick isopropylformic acid refining plant as claimed in claim 1, it is characterized in that: described thick isopropylformic acid refining plant also comprises product-collecting tank (5), on described product-collecting pipe (16), be connected with the circulation branch road that leads to product-collecting tank (5), product stopple coupon (19) is also housed on product-collecting tank (5).
3. thick isopropylformic acid refining plant as claimed in claim 1 or 2, it is characterized in that: described condenser (2) comprises condenser tank (21), condenser tank (21) inner chamber is partitioned into condenser input and output material chamber (22) by ring flange, condenser heat exchanging chamber (23) and condenser torus (24), in condenser input and output material chamber (22), be equipped with its upper and lower separated condenser space bar (27), described product flow siphunculus (13) and cut output tube (12) correspondence are connected to condenser tank (21) above and are communicated with condenser heat exchanging chamber (24), circulating pipe (20) with condenser input and output material chamber (22) is housed on condenser tank (21), spaced multiple condenser traverse baffles (25) are housed in condenser heat exchanging chamber (24), on ring flange, be connected with many condensers that are communicated with condenser input and output material chamber and condenser torus respectively through condenser heat exchanging chamber (24) and both ends by pipe (26).
4. thick isopropylformic acid refining plant as claimed in claim 1 or 2, it is characterized in that: described treating tower (1) comprises refining tower body (1-1) and the recycle tower body (1-3) that inner chamber is communicated with, described thick isopropylformic acid access tube (11) stretches into refining tower body (1-1) inner bottom part, described steam access tube (10) is connected to the middle part of refining tower body (1-1), in refining tower body (1-1), be provided with the steam decollator (1-2) that is positioned at steam access tube (10) admission port place, in recycle tower body (1-3), be provided with gas-liquid separator (1-4), described forced refluence pipe (15) is connected to the top of recycle tower body (1-3).
5. thick isopropylformic acid refining plant as claimed in claim 1 or 2, it is characterized in that: during described neutralizing tower (4) comprises and tower body (41), in and spaced multiple sparger (42) is from top to bottom housed in tower body (41), between adjacent two spargers (42), be provided with filler chamber (43), described extraction pipe (18) is connected to and is arranged in below sparger (42) portion's section below and tower body (41), in be connected with vacuum pump (8) by pipeline with the top of tower body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386248.1U CN203938620U (en) | 2014-07-14 | 2014-07-14 | A kind of thick isopropylformic acid refining plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386248.1U CN203938620U (en) | 2014-07-14 | 2014-07-14 | A kind of thick isopropylformic acid refining plant |
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| Publication Number | Publication Date |
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| CN203938620U true CN203938620U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420386248.1U Active CN203938620U (en) | 2014-07-14 | 2014-07-14 | A kind of thick isopropylformic acid refining plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185395A (en) * | 2021-04-09 | 2021-07-30 | 润泰新材料股份有限公司 | Process for the production of isobutyric acid |
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2014
- 2014-07-14 CN CN201420386248.1U patent/CN203938620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185395A (en) * | 2021-04-09 | 2021-07-30 | 润泰新材料股份有限公司 | Process for the production of isobutyric acid |
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