CN204724176U - A kind of production equipment of molecular sieve catalyst - Google Patents
A kind of production equipment of molecular sieve catalyst Download PDFInfo
- Publication number
- CN204724176U CN204724176U CN201520416008.6U CN201520416008U CN204724176U CN 204724176 U CN204724176 U CN 204724176U CN 201520416008 U CN201520416008 U CN 201520416008U CN 204724176 U CN204724176 U CN 204724176U
- Authority
- CN
- China
- Prior art keywords
- equipment
- belt filter
- vacuum belt
- strainer
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of production equipment of molecular sieve catalyst, this equipment comprises vacuum belt filter (4) and the spray equipment (P) that is arranged in described vacuum belt filter (4) and elution device (L), and along the trend of material in described vacuum belt filter (4), described elution device (L) is positioned at the downstream of described spray equipment (P), wherein, described vacuum belt filter (4) comprises strainer, and described spray equipment (P) and described elution device (L) are positioned at the top of described strainer; And compared with prior art, adopt pre-wetting equipment of the present utility model to prewet to PX adsorbent and effectively reduce water consumption, and significantly reduce the percentage of damage of PX adsorbent.
Description
Technical field
The utility model relates to a kind of production equipment of molecular sieve catalyst, concrete, relates to a kind of paraxylene adsorbent and carries out prewetting and spray the production equipment making active component in this paraxylene sorbent-loaded.
Background technology
Paraxylene (PX) adsorbent take X-type molecular sieve as carrier, and carrier Middle molecule sieve content is more than 90%.Because molecular sieve adsorption heat is comparatively large, PX adsorbent, when load active component, usually adopts a large amount of cold water to carry out heat exchange pretreatment to carrier, is walked in the molecular sieve adsorption torrid zone in time, reduce carrier and burst degree, reduce carrier percentage of damage.
At present, adopt pre-wet sump to carry out pre-wetted treatment to PX bead in adsorbent industrial production, bead particle diameter is 0.3 ~ 0.8mm, and water content is 1.5%.For ensureing that PX bead is prewetted effect, need higher aqua ratio, not only treating capacity is low, and equipment volume is huge.For reducing percentage of damage, machinery can not be carried out to pre-wet stock and stirring process, cause the material temperature rise of local area comparatively large, reach more than 40 DEG C, make carrier percentage of damage 8 ~ 10%.
Therefore, the production equipment how preparing a kind of molecular sieve catalyst needs to research and develop further.
Utility model content
The purpose of this utility model is to overcome in prior art and adopts pre-wet sump to prewet to PX adsorbent, need higher aqua ratio, not only treating capacity is low, and equipment volume is huge, and the defect that percentage of damage is low, a kind of production equipment of molecular sieve catalyst is provided, and compared with prior art, adopt pre-wetting equipment of the present utility model to prewet to PX adsorbent and effectively reduce water consumption, and significantly reduce the percentage of damage of PX adsorbent.
The utility model provides a kind of production equipment of molecular sieve catalyst, this equipment comprises vacuum belt filter and the spray equipment that is arranged in described vacuum belt filter and elution device, and along the trend of material in described vacuum belt filter, described elution device is positioned at the downstream of described spray equipment, wherein, described vacuum belt filter comprises strainer, and described spray equipment and described elution device are positioned at the top of described strainer.
Pre-wetting equipment of the present utility model by use spray equipment to this molecular sieve carrier carry out high-efficient atomizing spray and by use elution device drip washing is carried out to the molecular sieve carrier after atomizing spray, to make active constituent loading on this molecular sieve carrier, this high-efficient atomizing spray equipment and elution device comprise many groups, multistage nozzles and multistage drip washing facility, wherein, every grade of nozzle quantity is determined according to the cloth width of vacuum belt filter and the spray angle of nozzle, relative position between nozzle, effect of prewetting according to PX adsorbent determines jet size, the quantity of the sum of series drip washing groove of nozzle, and the height of the nozzle distance PX adsorbent bed of material is adjusted according to mist cone, adopt pre-wetting equipment of the present utility model to carry out PX adsorbent efficiently to prewet, significantly reduce the percentage of damage of PX adsorbent, and because this device processes amount is large and the amplitude of accommodation is wide, treating capacity significantly improves, effectively reduce water consumption, and adopt this equipment, post labour intensity significantly reduces.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram according to traditional pre-wet sump a kind of in prior art;
Fig. 2 is the schematic diagram of the production equipment of molecular sieve catalyst according to a kind of detailed description of the invention of the present utility model;
Fig. 3 is the schematic diagram of the nozzle of the production equipment of the molecular sieve catalyst according to a kind of detailed description of the invention of the present utility model.
Accompanying drawing 1 description of symbols
L feed opening C blanking groove
The pre-wet sump of Y
Accompanying drawing 2 description of symbols
1, cold water storage tank; 2, cold water delivery pump; 3, feed bin; 4, vacuum belt filter;
5, charging control valve; 6, nozzle; 7, drip washing groove; 8, recovering hopper;
9, washes seal pot; 10, vacuum is by flow container; 11, washes settling tank;
12, washes delivery pump; 13, washes heat exchanger; 14, vavuum pump; 15, injection nozzle carrier
Detailed description of the invention
Below detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
Below in conjunction with accompanying drawing, the utility model is described in detail
As shown in Figure 2, the utility model provides a kind of production equipment of molecular sieve catalyst, this equipment comprises vacuum belt filter 4 and the spray equipment P (not indicating in figure) that is arranged in described vacuum belt filter 4 and elution device L (not indicating in figure), and along the trend of material in described vacuum belt filter 4, described elution device L is positioned at the downstream of described spray equipment P, wherein, described vacuum belt filter 4 comprises strainer, and described spray equipment P and described elution device L is positioned at the top of described strainer.
In the utility model, described spray equipment P can have multiple nozzle with mist cone, in the utility model, the number of the nozzle with mist cone that described spray equipment P has is not particularly limited, and preferably, described spray equipment P can comprise n the nozzle with mist cone, wherein, described n can be 1-16, and preferably, described n is 10-12.
In the utility model, the vertical range of the strainer in vacuum belt filter 4 described in described nozzle distance is not particularly limited, preferably, the vertical range of the strainer in vacuum belt filter 4 described in described nozzle distance is 10-40cm, more preferably, the vertical range of the strainer in vacuum belt filter 4 described in described nozzle distance is 20-30cm.
In the utility model, each mist cone in described nozzle and horizontal plane can be the angle of 30-60 degree; Preferably, each mist cone in described nozzle is horizontal by the angle of 50-60 degree; In the utility model, the Angle ambiguity of being bored by the mist of described nozzle, within above-mentioned scope, can guarantee that the mist cone of two nozzles adjacent one another are is just overlapping.
In the utility model, can by the mist of this nozzle cone horizontal by angle adjust the vertical range of this vacuum belt filter 4 of this nozzle distance.
In the utility model, described elution device L can have multiple drip washing groove, in the utility model, the number of the drip washing groove that described elution device L has is not particularly limited, preferably, described elution device L can have m drip washing groove, and described m can be 1-3, preferably, described m is 1-2.
In the utility model, in described high-efficient atomizing spray and elution circuit, also comprise the temperature measurer (not shown) for measuring the temperature of charge after every grade of spray or drip washing, described temperature measurer is evenly distributed on the position, three, left, center, right of the filter cloth in described vacuum belt filter 4.The flow of temperature and previous stage is carried out chain, guarantees that PX adsorbent temperature of charge controls within specified scope.
As shown in Figure 2, in the utility model, described equipment also comprises recirculated water reclaiming system, this recirculated water reclaiming system comprise be communicated with successively seal pot 9, vacuum is by flow container 10 and washes settling tank 11, and described washes settling tank 11 is communicated with described elution device L, make the water in described washes settling tank 11 can be circulated to described elution device L and carry out reuse, described seal pot 9 is arranged at the below of described strainer, for receiving the water sprayed out by spray equipment P.
In the utility model, described equipment also comprises the cold water storage tank 1 and cold water delivery pump 2 that are connected with described spray equipment P, makes water to be flowed to described spray equipment P.
In the utility model, described equipment also comprises feed bin 3 and the charging control valve 5 of the top of the strainer being configured in described vacuum belt filter 4, with as required can the flexible modulation feed thickness of material of prewetting, and can by its equably plain cloth on this filter cloth.
According to certain concrete embodiment of the present utility model, particularly, as shown in Figure 2:
First, molecular sieve carrier is added from one end of the strainer vacuum belt filter 4 in feed bin 3, by regulating charging control valve 5 to regulate and control the fabric thickness of this molecular sieve carrier on the strainer of described vacuum belt filter 4, and this molecular sieve carrier is evenly distributed on the strainer of vacuum belt filter 4; Wherein, the vacuum in the running frequency of described strainer, described vacuum belt filter 4 is regulated and controled and the fabric thickness on the strainer of described molecular sieve carrier in described vacuum belt filter 4 is within above-mentioned limited range;
Secondly, described spray equipment P comprises multiple nozzle 6 with mist cone, this nozzle 6 is suspended on injection nozzle carrier 15, and this nozzle 6 is bored with mist, adopt nozzle 6 to make it be atomized step by step to this molecular sieve carrier multi-stage spray to prewet, wherein, in nozzle in the water pump in cold water storage tank 1 being sent by cold water delivery pump 2; And each mist in the injection flow rate of described nozzle, the vertical range of strainer in vacuum belt filter 4 described in described nozzle distance and described nozzle is bored the angle become with horizontal plane and is within above-mentioned limited range.
In the utility model, as shown in Figure 2, in the washings supercharging be made up of cold water storage tank 1 and cold water delivery pump 2 and metering regulating system, also comprise flowmeter and the control valve for regulating washings flow, washings can be pressurized to 0.4-0.8MPa (G), every grade of washings flow all regulates by control valve, and can measure.
In the utility model, as shown in Figure 2, in the recirculated water reclaiming system be made up of by flow container 10, washes settling tank 11, washes delivery pump 12 and washes heat exchanger 13 washes seal pot 9, vacuum, by recirculated water reuse, the water consumption of the process of prewetting can be reduced.
In the utility model, as shown in Figure 2, vacuum can vacuumize by flow container 10 by vavuum pump 14.
As shown in Figure 2, in the utility model, also comprise vacuum filtration system (not shown), heat of adsorption can be taken away by this system timely, major part and fixation disc type filter similar, comprise fixed disk, filter cloth, water ring vacuum pump, compress cylinder, deviation correcting device, unloader knife, filter cloth cleaning device and band speed control system etc.
In addition, Fig. 1 is the schematic diagram according to traditional pre-wet sump a kind of in prior art; In FIG, can find out, material adds in pre-wet sump Y through two feed opening L of blanking groove C, and material is prewetted in pre-wet sump Y, and result catalyst carrier percentage of damage reaches 8 ~ 10%; Product water consumption is high, and ton carrier prewets fresh water consumption more than 10 tons, and recirculated water consumption is more than 80 tons.
Fig. 3 is the schematic diagram of the nozzle of the production equipment of the molecular sieve catalyst according to a kind of detailed description of the invention of the present utility model; This kind mode of prewetting adopts the mode that nozzle is slowly atomized and drip washing combines, gradual make catalyst absorb water saturated, avoid localized hyperthermia to cross thermal breakage catalyst.Water is sprayed onto catalyst surface after nozzle atomization, in catalyst moving process, catalyst moisture content increases gradually, the height of nozzle and the spray angle degree of nozzle can be adjusted according to catalyst width, mist between two adjacent nozzles is bored just contact, avoid catalyst atomization dead band or overlapping water suction, after certain moisture content prewetted by catalyst, catalyst absorbs water and also not easily bursts, the mode drip washing catalyst of drip washing can be adopted, make it water suction fast saturated.The quantity of drip washing groove and the water yield adjust according to material water absorption.
In a detailed description of the invention of the present utility model, be 0.3 ~ 0.8mm by particle diameter, water content be 2.3 % by weight PX adsorbent bead add from one end of the strainer of vacuum belt filter, and the fabric thickness of this PX adsorbent bead is 2cm, adopt the spray equipment that form of nozzle of boring with mist by 12 to be atomized step by step this PX adsorbent bead spray to prewet, wherein, the injection flow rate of this nozzle is 0.65t/ ton PX adsorbent bead, and the vertical range of strainer in vacuum belt filter described in described nozzle distance is 30cm, each mist cone in described nozzle becomes the angle of 55 degree with horizontal plane, and the running frequency of the strainer in this vacuum belt filter is adjusted to 40Hz, the vacuum of this vacuum strainer machine is adjusted to-0.06Mpa,
Result is (that is, efficient pre-wet stage) in the spray process of PX adsorbent bead, and ton carrier water consumption is 2.94t, in the process room temperature 9 DEG C, and the maximum temperature of PX adsorbent bead is 23 DEG C; The percentage of damage of PX adsorbent bead is 0.12%, and the water content of the PX adsorbent bead after prewetting is 45.1%.
In another detailed description of the invention of the present utility model, be 0.3 ~ 0.8mm by particle diameter, water content be 2.3 % by weight molecular sieve beads add from one end of the strainer of vacuum belt filter, and the fabric thickness of this PX adsorbent bead is 3cm, adopt the spray equipment that form of nozzle of boring with mist by 10 to be atomized step by step this PX adsorbent bead spray to prewet, wherein, the injection flow rate of this nozzle is 0.88t/ ton molecular sieve carrier, and the vertical range of strainer in vacuum belt filter described in described nozzle distance is 25cm, each mist cone in described nozzle becomes the angle of 60 degree with horizontal plane, and the running frequency of the strainer in this vacuum belt filter is adjusted to 35Hz, the vacuum in this vacuum belt filter is adjusted to-0.06Mpa,
Result is (that is, efficient pre-wet stage) in the spray process of PX adsorbent bead, and ton carrier water consumption is 2.24t, in the process room temperature 9 DEG C, and the maximum temperature of PX adsorbent bead is 24 DEG C; The percentage of damage of PX adsorbent bead is 0.12%, and the water content of the PX adsorbent bead after prewetting is 44.2%.
In another detailed description of the invention of the present utility model, be 0.3 ~ 0.8mm by particle diameter, water content be 2.3 % by weight molecular sieve beads add from one end of the strainer of vacuum belt filter, and the fabric thickness of this PX adsorbent bead is 3cm, adopt the spray equipment that form of nozzle of boring with mist by 12 to be atomized step by step this PX adsorbent bead spray to prewet, wherein, the injection flow rate of this nozzle is 0.69t/ ton molecular sieve carrier, and the vertical range of strainer in vacuum belt filter described in described nozzle distance is 28cm, each mist cone in described nozzle becomes the angle of 50 degree with horizontal plane, and the running frequency of the strainer in this vacuum belt filter is adjusted to 40Hz, the vacuum in this vacuum belt filter is adjusted to-0.06Mpa,
Result is (that is, efficient pre-wet stage) in the spray process of molecular sieve carrier, and ton carrier water consumption is 1.96t, in the process room temperature 9 DEG C, and the maximum temperature of PX adsorbent bead is 26 DEG C; The percentage of damage of PX adsorbent bead is 0.24%, and the water content of the PX adsorbent bead after prewetting is 43.7%.
In another detailed description of the invention of the present utility model, be 0.3 ~ 0.8mm by particle diameter, water content be 2.3 % by weight molecular sieve beads add from one end of the strainer of vacuum belt filter, and the fabric thickness of this PX adsorbent bead is 3.5cm, adopt the spray equipment that form of nozzle of boring with mist by 12 to be atomized step by step this PX adsorbent bead spray to prewet, wherein, the injection flow rate of this nozzle is 0.66t/ ton molecular sieve carrier, and the vertical range of strainer in vacuum belt filter described in described nozzle distance is 30cm, each mist cone in described nozzle becomes the angle of 60 degree with horizontal plane, and the running frequency of the strainer in this vacuum belt filter is adjusted to 40Hz, the vacuum in this vacuum belt filter is adjusted to-0.06Mpa,
Result is (that is, efficient pre-wet stage) in the spray process of molecular sieve carrier, and ton carrier water consumption is 1.92t, in the process room temperature 9 DEG C, and the maximum temperature of PX adsorbent bead is 27 DEG C; The percentage of damage of PX adsorbent bead is 0.24%, and the water content of the PX adsorbent bead after prewetting is 43.5%.
Therefore, adopt pre-wetting equipment of the present utility model to carry out PX adsorbent efficiently to prewet, result shows: (1) adopts this equipment, and PX adsorbent bead is prewetted effectiveness comparison ideal, bead igloss after prewetting, about 44%, reaches the requirement being not less than 35%; (2) temperature rise in process of prewetting of PX bead can control within the scope of 20 DEG C, and pellet crush rate can control below 1%; (3) this device processes amount is large and the amplitude of accommodation is wide, and treating capacity can switch flexibly at 50-800kg/h; (4) PX adsorbent bead prewet water consumption low, when output is at more than 550Kg, fresh water consumption is 2t/t, recirculated water consume 1t/t, traditional pre-wetting equipment fresh water unit consumption is 7t, and recirculated water consumption is 80t/t; (5) adopt this equipment, post labour intensity significantly reduces.As can be seen here, pre-wetting equipment of the present utility model very has industrial application value.
Claims (5)
1. the production equipment of a molecular sieve catalyst, this equipment comprises vacuum belt filter (4) and the spray equipment (P) that is arranged in described vacuum belt filter (4) and elution device (L), and along the trend of material in described vacuum belt filter (4), described elution device (L) is positioned at the downstream of described spray equipment (P), wherein, described vacuum belt filter (4) comprises strainer, and described spray equipment (P) and described elution device (L) are positioned at the top of described strainer.
2. production equipment according to claim 1, wherein, described spray equipment (P) has multiple nozzle with mist cone.
3. production equipment according to claim 2, wherein, described mist cone is horizontal by the angle of 30-60 degree.
4. production equipment according to claim 1, wherein, described elution device (L) has multiple drip washing groove.
5. according to the production equipment in claim 1-4 described in any one, wherein, described equipment also comprises recirculated water reclaiming system, this recirculated water reclaiming system comprises the seal pot (9) be communicated with successively, vacuum is by flow container (10) and washes settling tank (11), and described washes settling tank (11) is communicated with described elution device (L), make the water in described washes settling tank (11) that described elution device (L) can be circulated to and carry out reuse, described seal pot (9) is arranged at the below of described strainer, for receiving the water sprayed out by spray equipment (P).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520416008.6U CN204724176U (en) | 2015-06-16 | 2015-06-16 | A kind of production equipment of molecular sieve catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520416008.6U CN204724176U (en) | 2015-06-16 | 2015-06-16 | A kind of production equipment of molecular sieve catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204724176U true CN204724176U (en) | 2015-10-28 |
Family
ID=54382561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520416008.6U Active CN204724176U (en) | 2015-06-16 | 2015-06-16 | A kind of production equipment of molecular sieve catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204724176U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045813A (en) * | 2018-08-08 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of vacuum belt filter ELUTION METHOD |
| CN110234607A (en) * | 2017-01-19 | 2019-09-13 | 诺沃梅尔公司 | Handle the method and system of ethylene oxide |
| CN112221463A (en) * | 2020-09-30 | 2021-01-15 | 中触媒新材料股份有限公司 | Efficient continuous molecular sieve adsorbent post-treatment device and use method |
| CN114682235A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工股份有限公司 | Preparation method of molecular sieve adsorbent |
-
2015
- 2015-06-16 CN CN201520416008.6U patent/CN204724176U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234607A (en) * | 2017-01-19 | 2019-09-13 | 诺沃梅尔公司 | Handle the method and system of ethylene oxide |
| CN109045813A (en) * | 2018-08-08 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of vacuum belt filter ELUTION METHOD |
| CN109045813B (en) * | 2018-08-08 | 2021-09-03 | 中国石油化工股份有限公司 | Vacuum belt filter leaching method |
| CN112221463A (en) * | 2020-09-30 | 2021-01-15 | 中触媒新材料股份有限公司 | Efficient continuous molecular sieve adsorbent post-treatment device and use method |
| CN112221463B (en) * | 2020-09-30 | 2022-04-26 | 中触媒新材料股份有限公司 | Efficient continuous molecular sieve adsorbent post-treatment device and use method |
| CN114682235A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工股份有限公司 | Preparation method of molecular sieve adsorbent |
| CN114682235B (en) * | 2020-12-31 | 2023-07-28 | 中国石油化工股份有限公司 | Preparation method of molecular sieve adsorbent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204724176U (en) | A kind of production equipment of molecular sieve catalyst | |
| CN103768923A (en) | Multi-stage gradient absorption device and device for low- and medium-concentration dimethylamine waste gas | |
| CN207632724U (en) | Compound fertilizer coating device | |
| CN102150750B (en) | Method for producing compound protective acidizing agent of feed | |
| CN102849754A (en) | Ion exchange production method of molecular sieve | |
| CN209399694U (en) | A kind of biological medicine highly effective drying processing unit | |
| CN100556545C (en) | A kind of is the production method of the catalyst of active component with copper zinc | |
| CN206631252U (en) | Monomer alkane efficient molecular sieve drain sump | |
| CN102251110B (en) | Method for recovering gold-loaded active carbon powder by using active carbon filter device | |
| CN208526546U (en) | Vibration-type sponging granulator | |
| CN204416331U (en) | Feedstock delivery machine is used in a kind of polar plate of lead acid storage battery casting | |
| CN208906154U (en) | A kind of bulk pharmaceutical chemicals sieving equipment of levocarnitine production of raw medicine technique | |
| CN208229853U (en) | A kind of novel atomizing condensing granulation apparatus | |
| CN207770259U (en) | A kind of efficient sieving equipment for producing powdered oil | |
| CN207556211U (en) | A kind of ceramsite sand facility for granulating | |
| CN202366673U (en) | Atomizing drying device | |
| CN109045813B (en) | Vacuum belt filter leaching method | |
| CN209573192U (en) | A kind of dry particl spraying equipment | |
| CN206666350U (en) | The combination unit of dewatered sludge | |
| CN103449912B (en) | A kind of slowly/controlled releasing fertilizer synchronous mode photocuring coating cylinder | |
| CN206027212U (en) | Concentrated integrative sludge filter press of belt filter -pressing | |
| CN206535216U (en) | A kind of continuous spray-drying installation of Abelmoschus Esculentus Linn extract | |
| CN106311359B (en) | A kind of molecular sieve catalyst and preparation method thereof | |
| CN207254270U (en) | One kind is granulated and dust treatment device | |
| CN213631188U (en) | Powder flows cooling device suitable for production of porous ammonium nitrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |