CN101015748A - Continuous stereo-spray knockout tower - Google Patents
Continuous stereo-spray knockout tower Download PDFInfo
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- CN101015748A CN101015748A CN 200610130641 CN200610130641A CN101015748A CN 101015748 A CN101015748 A CN 101015748A CN 200610130641 CN200610130641 CN 200610130641 CN 200610130641 A CN200610130641 A CN 200610130641A CN 101015748 A CN101015748 A CN 101015748A
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- 239000007921 spray Substances 0.000 title claims description 19
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims description 63
- 238000013461 design Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 5
- 230000016507 interphase Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 20
- 239000012071 phase Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 229920006395 saturated elastomer Polymers 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 239000003595 mist Substances 0.000 description 7
- 238000009835 boiling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a continuous solid injection separating tower, comprising a horizontal tower plate whose body is disposed with boosting holes, a plurality of injection cap covers mounted relative to each boosting hole on the horizontal tower plate, a plurality of injection holes disposed on the injection cap cover, and a bar louver above the injection holes, a space of liquid channel between the lower part of the injection cap cover and the tower plate, and an overflow dam and a down-flow device mounted on the tower plate for connecting two layers of the tower plate. The invention is characterized in that the upper part of the injection cap cover is mounted with a cover plate disposed with a diversion discharge hole, the upper part of the skirt bottom of the injection cap cover is disposed with a diversion hole at same direction with the liquid flow of tower plate, and the injection cap covers are mounted on the horizontal tower plate with alternative high and low distribution. The invention has simple structure, while it can effectively improve the holing ration of the tower plate, improve the ability of the separating tower and the efficiency of the tower plate and reduce the foam and the resistance of the tower plate.
Description
Technical field
The present invention relates to a kind of gas-liquid contact mass transfer isolation technics, be specially the continuous stereo-spray knockout tower of widespread usage in the processes such as a kind of separation in fields such as chemical industry, oil refining, petrochemical industry, pharmacy, mass transfer, heat transfer and humidification, international Patent classificating number intends being Int.Cl.B01D3/00 (2006.01).
Technical background
In the processes such as the separation in industrial circles such as chemical industry, oil refining, petrochemical industry, pharmacy, mass transfer, heat transfer, plate column is being widely used.The plate column technology is through constantly development and innovation, and from traditional column plate of gas dispersion type, as bubble-cap, float valve, sieve plate etc., to the New Vertical Sieve Tray etc. that liquid is decentralized photo occurring, the column plate technology has had very big progress.Employed column plate majority is bubble cap plate, valve plate, sieve plate column plate etc. in the processes such as present distillation at chemical industry, absorption, desorb, humidification.The disposal ability of these column plates is little, efficient is low, and pressure drop is big, the energy consumption height.The novel column plate of some of Chu Xianing in recent years, as vertical sieve tray etc., though aspects such as its disposal ability and efficient all are significantly improved, but still it is also bigger than normal to exist plate pressure drop, plate efficiency is not high enough, disposal ability is also limited to be waited not enoughly, is improving aspect the entrainment perfectly not enough, so mist entrainment is big, operating flexibility is less.For example, Chinese patent ZL92232700.9, ZL93218445.6 have carried out different improvement to the ejection-type gas-liquid contact apparatus respectively with ZL99200122.6, have obtained different technique effects; But they all have some shortcomings: 1.. cover body too much takies the flow channel for liquids on the column plate, influences liquid and flows on column plate; 2.. the influence of spraying between cover arranges cover body to be limited to, and percent opening is restricted on the column plate; 3.. the influence of spraying mutually between cover makes and still has more entrainment on the column plate, influences plate efficiency; 4. the mist capture structure too much takies shortcomings such as gas phase rising passway.
Summary of the invention
At the deficiencies in the prior art, the technical problem to be solved in the present invention is, design a kind of continuous stereo-spray knockout tower, this knockout tower is simple in structure, be easy to actual use, can effectively improve the percent opening of column plate, and can improve knockout tower disposal ability and plate efficiency significantly, reduce entrainment and column plate resistance effectively and improve operating flexibility etc.
The technical scheme that the present invention solves described knockout tower technical problem is: design a kind of continuous stereo-spray knockout tower, be included in the horizontal column plate that has air rising hole in the body of the tower, position at corresponding each air rising hole of horizontal column plate is equipped with spraying cap, the spray-hole that has on the spraying cap, the bar shaped skylight is arranged above the spray-hole, leave space between spraying cap bottom and the column plate as fluid passage, also be provided with the downflow weir that connects two-layer column plate on the column plate and fall liquid device, the top that it is characterized in that described spraying cap is equipped with cover plate, and cover plate is provided with the water conservancy diversion pressure relief vent; The top direction identical with liquid flow path direction on the column plate is provided with pod apertures at the bottom of the skirt of spraying cap; Described spraying cap adopts adjacent both modes of height interphase distribution to be installed on the horizontal column plate.
Compared with prior art, the present invention has the following advantages: design has the spraying cap top cover and the deflector apron of mist capture effect, makes the gas phase entrainment of column plate significantly reduce.Test shows that the gas phase entrainment of the comparable New Vertical Sieve Tray of knockout tower of the present invention reduces 50～100%.As the column plate that with the excessive entrainment of gas phase serves as the operation upper limit, adopt this technology can improve the operation upper limit of column plate, increase operating flexibility, and can also improve its disposal ability greatly, compare with vertical sieve tray, the disposal ability of knockout tower of the present invention can improve about 60～110%.Knockout tower of the present invention can improve the liquid lifting capacity of spraying cap, even make the gas-liquid contact probability improve also the two-phase aggravation that runs foul of each other, thereby improve mass transfer, the heat transfer efficiency of column plate, compare with vertical sieve tray, the present invention can improve mass transfer, heat transfer efficiency 15～30%.Spraying cap structure of the present invention's design (as the water conservancy diversion pressure relief vent of spraying cap top cover setting) and column plate perforate mode can make column plate pressure energy consumption reduce, and compare with vertical sieve tray, and column plate pressure energy consumption can descend about 25～40%; Described spraying cap structure can reduce calotte taking flow channel for liquids on the column plate, thereby reduce the flow resistance of liquid, compare with vertical sieve tray, can reduce 60～110%, make that liquid level drop reduces on the column plate, help gas evenly distribution on column plate, thereby help improving mass transfer, the heat-transfer effect of column plate; Simultaneously, calotte injection structure of the present invention is simple, is easy to make and practical application.
Description of drawings
Fig. 1 is the vertical section structure schematic diagram of a kind of embodiment of continuous stereo-spray knockout tower of the present invention;
Fig. 2 is the cross section structure schematic diagram of a kind of embodiment of continuous stereo-spray knockout tower of the present invention;
Fig. 3 is the main schematic diagram of looking of the spraying cap structure (its spray-hole 8 and pod apertures 9 are all circle) of a kind of embodiment of continuous stereo-spray knockout tower of the present invention;
Fig. 4 is the main schematic diagram of looking of the spraying cap structure (its spray-hole 8 and pod apertures 9 are all square, referring to A-A and the B-B partial sectional view of Fig. 4) of the another kind of embodiment of continuous stereo-spray knockout tower of the present invention;
Fig. 5 is the spraying cap structure schematic top plan view of a kind of embodiment of continuous stereo-spray knockout tower of the present invention;
Fig. 6 is three kinds of embodiment (Fig. 6-A, 6-B and 6-C are respectively gradually convex, convergent shape and gradually expanded form air rising hole) schematic diagram of the described horizontal column plate air rising hole structure of continuous stereo-spray knockout tower of the present invention.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof:
The continuous stereo-spray knockout tower of the present invention's design is (hereinafter to be referred as knockout tower, referring to Fig. 1-6) structure be: be included in the horizontal column plate 2 that has air rising hole 5 in the body of the tower 1, position at horizontal column plate 2 corresponding each air rising hole 5 is equipped with spraying cap 6, the spray-hole 8 that has on the spraying cap 6, bar shaped skylight 7 is arranged above the spray-hole 8, leave space between spraying cap 6 bottoms and the column plate 2 as fluid passage, also be provided with the downflow weir 3 that connects two-layer column plate 2 on the column plate 2 and fall liquid device 4, the top that it is characterized in that described spraying cap 6 is equipped with cover plate 10, cover plate 10 is provided with water conservancy diversion pressure relief vent 11, and the top direction identical with liquid flow path direction on the column plate 2 is provided with pod apertures 9 at the bottom of the skirt of spraying cap 6; Described spraying cap 6 adopts adjacent both modes of height interphase distribution to be installed on the horizontal column plate 2.
Knockout tower of the present invention is further characterized in that described spray-hole 8 can be designed as the square of oval or 8 * 8～12 * 12mm of the circle of φ 8～φ 16mm, 5 * 2.5～8 * 4mm; The shape of described pod apertures 9 is consistent with the shape of described spray-hole 8, and the height place of design top 15～30mm at the bottom of spraying cap 6 skirts.Test shows that this design has good effect.Particularly 15～30mm place, top is provided with pod apertures 9 and can makes the liquid layer thickness on the column plate 2 become more even at the bottom of described spraying cap 6 skirts, reduced liquid level drop, make that the distribution of gas phase on column plate 2 is more even, help improving mass transfer, the heat-transfer effect of column plate 2.
The further feature of knockout tower of the present invention is that also described cover plate 10 can be that bending angle α is arranged is the wing-shaped plate of 95 °～170 ° of deflector aprons 12 for dull and stereotyped, the arc or the cover plate outside.Embodiment promptly adopts this wing cover plate design (referring to Fig. 3,4), and its effect is comparatively speaking better.It is 30～85 ° release orifice plate 13 that the outside of described water conservancy diversion pressure relief vent 11 has angle of inclination beta.This design can be played the internal pressure that reduces spraying cap 6, lowers the speed that gas-liquid mixture sprays from spraying cap 6 in the spraying cap 6, thereby reduces the effect of entrainment.
When the spray-hole 8 of knockout tower of the present invention adopts described square, can design also that to have inclination angle γ be 10～35 ° water conservancy diversion orifice plate 14.This injection orifice plate 14 designs can make the gas-liquid mixture that ejects from spray-hole 8 form the eddy flow state, the time of staying of gas-liquid mixture outside spraying cap 6 prolonged, increase gas-liquid contact time and chance, simultaneously big drop is thrown away easily to be settled down on the column plate 2 in the liquid layer, reenter circulation in the spraying cap 6, thereby further improved mass-transfer efficiency.
Because the shape and structure of spraying cap 6 of the present invention design, the gas phase (containing superfine little mist) that can make 6 of spraying caps through collision and drop to each other capture, the capture of spraying cap cover plate 10 and gas phase be in the processes such as curve baffling rising of 6 of spraying caps, make original tiny drop fall back to greatly again on the column plate 2, so just make the mist entrainment in the gas phase significantly reduce because of merging to each other to become.These processes make the gas phase rising passway increase, and the gas phase rate of climb is slowed down, and helps sedimentation and the mass-and heat-transfer of droplet in the space, can reduce the energy consumption that produces because of friction simultaneously, thereby reduce the pressure drop of whole tower.
Knockout tower of the present invention is owing to adopted vertical height height interphase distribution between the adjacent spraying cap 6, and overlooking is that the mode that equilateral triangle or isosceles triangle are arranged is installed on the horizontal column plate 2 each other.Such design has not only increased the spacing of 6 of adjacent equal height spraying caps under the prerequisite that does not increase tower diameter, thereby liquid phase collision and back-mixing between the adjacent spraying cap 6 have been reduced, and the differing heights spraying cap 6 adjacent dischargings space that can give full play to 2 of column plates, make through the gas-liquid mixed that height differing heights spraying cap 6 ejects simultaneously and in the space of 2 of column plates, be stereo structure distribution up and down, gas-liquid mixed almost is present in the space of whole column plate 2 mutually like this, makes whole column plate 2 spaces all have the effect of mass-and heat-transfer.This just also means that full tower forms the continuous stereo-spray effect of mass transmitting up and down, thereby improves mass-and heat-transfer efficient greatly; Three-dimensional distribution gas-liquid mixed can obviously reduce entrainment mutually simultaneously, thereby can reduce spacing between the two-layer column plate 2, so can reduce the height of knockout tower equipment under with isoflux and identical separation requirement, perhaps under knockout tower equal altitudes condition, increase the quantity of column plate 2 in the tower, to raise the efficiency and output.Studies show that adjacent both difference in height of the described spraying cap that adopts the alternate arrangement mode straggly of height 6 has comparatively ideal effect when being designed to 50～100mm.
The shape and structure of the described horizontal column plate air rising hole 5 of knockout tower of the present invention can be designed as gradually convex, convergent shape or gradually expanded form (referring to Fig. 6-A, 6-B and 6-C).The air rising hole 5 effects difference of three kinds of structures is little.Embodiment 1-3 has adopted the air rising hole of these three kinds of structures respectively.
The operation principle and the process of knockout tower of the present invention are as follows: liquid is through the downflow weir 3 of last layer column plate 2 and fall liquid zone 4 and flow on this layer column plate 2, and every row's spraying cap 6 of flowing through earlier is again through the downflow weir 3 of this layer and fall liquid zone 4 and flow into down on one deck column plates 2; Gas phase then enters this layer column plate 2 from described air rising hole 5, and liquid phase is pressed into by the fluid passage of spraying cap 6 bottoms; Gas, liquid two-phase are carried out fierce mixing contact back in spraying cap 6 spouting from spray-hole 8, bar shaped skylight 7 and the water conservancy diversion pressure relief vent 11 of spraying cap 6, and gas phase and drop are efficiently finished the mass transfer and the diabatic process of gas-liquid through processes such as collision, mist capture, separate at the place, space of 2 of 6 of spraying caps and adjacent tray.
The present invention does not address part and is applicable to prior art.
Provide specific embodiments of the invention below, but the present invention is not subjected to the restriction of embodiment.
The present invention is used for the saturated hot-water tower of fertilizer industry.
Saturated hot-water tower is a kind of humidification and heat-transfer equipment, has important heat recovery effect.The tower internals of traditional saturated hot-water tower generally adopts bubble cap plate.Saturated hot-water tower with φ 1600mm is an example, the NH of its design
3Yearly productive capacity is generally ten thousand tons of 2.0-2.5.Adopting New Vertical Sieve Tray to substitute bubble cap plate undergoes technological transformation, saturated section of tower is designed to 15 blocks of column plates, the hot water section is 12 blocks of column plates, under the situation of saturated section outlet of same assurance semiwater gas steam-laden degree 〉=95%, and the NH of described φ 1600mm saturated hot-water tower
3Yearly productive capacity can reach 5.0 ten thousand tons, and production capacity has had and significantly improves.Tower diameter at saturated hot-water tower still is φ 1600mm, and adopts the technology of the present invention, and tower is designed to 13 blocks of column plates for saturated section, the hot water section is 10 blocks of column plates, adopting the spraying cap bottom is φ 110mm, and the top is φ 95mm, and the spraying cap height is the spraying cap of 170mm, the α angle of cover plate is 100 °, the angle of inclination beta of release orifice plate is 30 °, and spray-hole, pod apertures are the circle of φ 10mm, and adjacent two calottes adopt two kinds of different height to do cross arrangement, and when difference in height is 70mm, the NH of saturated hot-water tower
3Yearly productive capacity can reach 8.5 ten thousand tons, and saturated section the outlet semiwater gas in the water vapour saturation degree can bring up to more than 98%.The actual result who comes into operation shows: compare with the New Vertical Sieve Tray of prior art, the present invention reduces 15% at the column plate sum, under the situation that the raising of semiwater gas outlet saturation degree is 3 percentage points, still can make NH
3Yearly productive capacity improve 70%.
The vinyl chloride height that the present invention is used for the PVC industry rectifying column that boils.
The vinyl chloride height rectifying output of column of boiling is 7.5 ten thousand tons of PVC monomer/years, requires high-boiling components content (dichloroethanes etc. the)≤80-100ppm in the vinyl chloride product after rectification and purification.Adopt F1 type valve plate technology, former design tower diameter is φ 1400mm, and the number of plates is 40, and wherein rectifying section is 24, and stripping section is 16, and tray spacing is respectively 300 and 350mm, and column plate is the single overflow type, adopts chord downcomer.The operation result shows the yearly productive capacity and the product quality indicator that can not reach design.The New Vertical Sieve Tray technology is used in the back, and tower diameter is φ 1000mm, under the situation of parameter constants such as the number of plates, distance between plates, can finish the designing requirement of 9.0 ten thousand tons of PVC monomers of yearly productive capacity, and high-boiling components content drops to 15-20ppm in the vinyl chloride product.Carry out the new high Rectification Tower Design of boiling when adopting the technology of the present invention, new Tata directly is φ 1000mm, the number of plates is reduced to 35, and (wherein rectifying section is 22, stripping section is 13), adopting the spraying cap bottom on the column plate is φ 120mm, the top is φ 100mm, the calotte height is the spraying cap of 185mm, cover plate α angle is adopted 130 °, the angle of inclination beta of release orifice plate is 80 °, spray-hole, pod apertures is 12 * 12mm square, and spraying orifice plate inclination angle γ is 15 °, and adjacent spraying cap adopts two kinds of differing heights to do alternate arrangement straggly, the difference in height of two kinds of spraying caps is 65mm, the operation operation result shows that knockout tower of the present invention is under the situation of number of plates minimizing 12.5%, and PVC monomer yearly productive capacity can reach 15.0 ten thousand tons, improve 66.7% than described vertical sieve tray, and it is about 25% that the column plate fluid resistance descends, the high-boiling components content≤5ppm in the VCM product, and operating flexibility also increases.
The vinyl chloride height that the present invention is used for the PVC industry rectifying column that boils.
Adopt the spraying cap size identical with embodiment 2, but change spraying cap lamina tecti α angle is 100 °, parameters such as spraying cap arrangement are identical with embodiment 2.Because lamina tecti α angle reduces to 100 ° from 130 °, the result makes mist entrainment reduce about 10～20%, therefore make the interior empty tower gas velocity of tower can improve 15～25%, thereby make production capacity improve 15～25%, and mass-transfer efficiency is also increased, make that high-boiling components content drops to 0～2ppm in the vinyl chloride product, but the veneer resistance has increased by 2～3mm H
2O.
Claims (5)
1. continuous stereo-spray knockout tower, be included in the horizontal column plate that has air rising hole in the body of the tower, position at corresponding each air rising hole of horizontal column plate is equipped with spraying cap, the spray-hole that has on the spraying cap, the bar shaped skylight is arranged above the spray-hole, leave space between spraying cap bottom and the column plate, also be provided with the downflow weir that connects two-layer column plate on the column plate and fall liquid device, it is characterized in that the top of described spraying cap is equipped with cover plate as fluid passage; Cover plate is provided with the water conservancy diversion pressure relief vent, and the top direction identical with liquid flow path direction on the column plate is provided with pod apertures at the bottom of the skirt of spraying cap; Described spraying cap adopts adjacent both modes of height interphase distribution to be installed on the horizontal column plate.
2. continuous stereo-spray knockout tower according to claim 1 is characterized in that described spray-hole is the circle of φ 8～φ 16mm, the ellipse of 5 * 2.5～8 * 4mm or the square of 8 * 8～12 * 12mm; The shape of described pod apertures is consistent with the shape of described spray-hole, and the height place of design top 15～30mm at the bottom of the spraying cap skirt.
3. continuous stereo-spray knockout tower according to claim 1 is characterized in that described cover plate is that bending angle α is arranged is the wing-shaped plate of 95～170 ° of deflector aprons for dull and stereotyped, the arc or the cover plate outside; It is 30～85 ° release orifice plate that the outside of described water conservancy diversion pressure relief vent has angle of inclination beta.
4. continuous stereo-spray knockout tower according to claim 2 is characterized in that described spray-hole is 10～35 ° an injection orifice plate for square the time has inclination angle γ.
5. according to each described continuous stereo-spray knockout tower of claim 1-4, it is characterized in that adjacent both difference in height of the described spraying cap that adopts height interphase distribution mode is 50～100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610130641 CN101015748A (en) | 2006-12-28 | 2006-12-28 | Continuous stereo-spray knockout tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610130641 CN101015748A (en) | 2006-12-28 | 2006-12-28 | Continuous stereo-spray knockout tower |
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| CN101015748A true CN101015748A (en) | 2007-08-15 |
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| CN 200610130641 Pending CN101015748A (en) | 2006-12-28 | 2006-12-28 | Continuous stereo-spray knockout tower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524802A (en) * | 2014-11-25 | 2015-04-22 | 南通苏通分离工程科技有限公司 | Multistage baffle cap column plate |
| CN110280203A (en) * | 2019-06-15 | 2019-09-27 | 郑州大学 | A kind of New Type of Tray quickly continuously generates hydrate device and method |
| CN111729339A (en) * | 2020-07-30 | 2020-10-02 | 天津普莱化工技术有限公司 | Jet unit for tower plate, large liquid holdup three-dimensional jet tower plate and gas-liquid mass transfer method thereof |
| CN111729340A (en) * | 2020-07-30 | 2020-10-02 | 天津普莱化工技术有限公司 | Cap cover for three-dimensional mass transfer tower plate, low-pressure-drop injection tower plate and gas-liquid mass transfer method thereof |
-
2006
- 2006-12-28 CN CN 200610130641 patent/CN101015748A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524802A (en) * | 2014-11-25 | 2015-04-22 | 南通苏通分离工程科技有限公司 | Multistage baffle cap column plate |
| CN110280203A (en) * | 2019-06-15 | 2019-09-27 | 郑州大学 | A kind of New Type of Tray quickly continuously generates hydrate device and method |
| CN110280203B (en) * | 2019-06-15 | 2021-05-28 | 郑州大学 | Novel device and method for quickly and continuously generating hydrate by tower plate |
| CN111729339A (en) * | 2020-07-30 | 2020-10-02 | 天津普莱化工技术有限公司 | Jet unit for tower plate, large liquid holdup three-dimensional jet tower plate and gas-liquid mass transfer method thereof |
| CN111729340A (en) * | 2020-07-30 | 2020-10-02 | 天津普莱化工技术有限公司 | Cap cover for three-dimensional mass transfer tower plate, low-pressure-drop injection tower plate and gas-liquid mass transfer method thereof |
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Effective date of registration: 20070803 Address after: Tianjin Huayuan Industrial Park Alex Hua Tian Road No. 2 Torch Hotel, room 3026 Applicant after: Tianjin Hengchuang Gongda Xiandai Towers Technology Co., Ltd. Address before: Tianjin Huayuan, Li 24-04-401 room Applicant before: Du Peiheng |
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