CN203577656U - Terephthalic acid powder recovery device - Google Patents
Terephthalic acid powder recovery device Download PDFInfo
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- CN203577656U CN203577656U CN201320759549.XU CN201320759549U CN203577656U CN 203577656 U CN203577656 U CN 203577656U CN 201320759549 U CN201320759549 U CN 201320759549U CN 203577656 U CN203577656 U CN 203577656U
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- making beating
- terephthalic acid
- reclaimed materials
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- tpa
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Abstract
The utility model provides a terephthalic acid powder recovery device. The terephthalic acid powder recovery device comprises a reclaimed material pulping tank and a pneumatic membrane pump, wherein the top of the reclaimed material pulping tank is provided with a receiving hopper; a pulping water inlet is arranged at the lower part of the reclaimed material pulping tank; one end, which is far away from the pulping water inlet, at the lower part of the reclaimed material pulping tank is provided with a pulp outlet; the pulp outlet is communicated with the inlet of the pneumatic membrane pump through a pipeline; the outlet of the pneumatic membrane pump is communicated with a process burdening tank through a pipeline; the inner side of the receiving hopper is further provided with a demineralized water pipeline outlet. The terephthalic acid powder recovery device is simple and reasonable in structure, a plurality of problems in the prior art are solved effectively. Terephthalic acid waste and pulping liquid can be mixed and conveyed to the process burdening tank so as to realize recovery and utilization of terephthalic acid waste.
Description
Technical field
The utility model relates to industrial chemicals recycling technology, relates in particular to a kind of terephthalic acid (TPA) powder reclaiming device.
Background technology
Terephthalic acid (TPA) (PTA) is as one of large Organic Ingredients, be widely used in and the various aspects of the national economy such as chemical fibre, light industry, electronics and building, more than 90% PTA for and ethylene glycol polymerization produce PETG.In conventional P TA production process, because sampling clout, analyze clout, the terephthalic acid (TPA) powder that the generation such as discharges when the discard processing that keeps sample material and equipment and pipeline maintenance cannot recycle, can only be as landing material discount sale.
So urgently can effectively realize the equipment that terephthalic acid (TPA) waste recovery is used, to realize the recycling of terephthalic acid (TPA).
Utility model content
The purpose of this utility model is, for current terephthaldehyde's acid waste products, cannot collect the problem of recycling, a kind of terephthalic acid (TPA) powder reclaiming device is proposed, this device is simple, reasonable, after terephthaldehyde's acid waste products being mixed with making beating liquid, be delivered to technique material-compound tank, and then realize recovery and the utilization of terephthaldehyde's acid waste products.
For achieving the above object, the technical solution adopted in the utility model is: a kind of terephthalic acid (TPA) powder reclaiming device, comprise reclaimed materials making beating tank and pneumatic diaphragm pump, described reclaimed materials making beating tank top is provided with receiving hopper, described reclaimed materials making beating tank bottom is provided with making beating water inlet, and described reclaimed materials making beating tank bottom is provided with slurry outlet away from one end of making beating water inlet; Described slurry outlet is communicated with pneumatic diaphragm pump intake by pipeline, and described pneumatic diaphragm pump discharge is communicated with technique material-compound tank (refining hydrogenation reaction head tank) by pipeline; Described receiving hopper inner side is also provided with the outlet of demineralized water pipeline.Described slurry outlet has a segment distance apart from reclaimed materials making beating pot bottom, to guarantee being positioned at reclaimed materials making beating pot bottom density or the larger foreign matter of volume can not enter pneumatic diaphragm pump by pipeline.
Further, described reclaimed materials making beating tank top is provided with overfall, on the sidewall that described reclaimed materials making beating tank liquid level is 90% place particularly, is provided with overfall, and described overfall is communicated with pneumatic diaphragm pump intake by pipeline, in case handling safety is guaranteed in the roof fall of non-return rewinding making beating tank full water.
Further, the cross section of described receiving hopper is provided with stainless steel cloth, and the length of side of described stainless steel wire screen distance is 1-5mm, is preferably 2mm.Stainless steel cloth can filter piece material powder or the foreign matter that in terephthalic acid (TPA) powder, may exist.
Further, described reclaimed materials making beating tank inner bottom part is provided with making beating water lines, making beating water lines is provided with making beating water out near a side of reclaimed materials making beating pot bottom, when carrying making beating water, again material is played to stirring action, the deposition of terephthalic acid (TPA) powder be can effectively prevent, without mechanical type rabbling mechanism is set, investment and the operation maintenance of equipment effectively reduced; In order to guarantee mixing effect, the aperture of making beating water out described in the utility model is 2-10mm, is preferably 5mm, described making beating water lines is 20-300mm with the distance of making beating pot bottom, be preferably 100mm, the splash best results of the water of pulling an oar in this situation, i.e. mixing effect the best.
Further, described making beating water lines comprises the pipeline of two more parallels, is appreciated that the number of described making beating water lines is determined by reclaimed materials making beating pot bottom area.
Further, described making beating water inlet is communicated with by making beating water arm with making beating jellyfish pipe, and described making beating water lines is provided with valve near one end of making beating water arm, after valve closing, is difficult for occurring liquid storage phenomenon in making beating water lines.
Further, on the sidewall of described reclaimed materials making beating tank bottom, be also provided with floss hole, the arranging highly near reclaimed materials making beating tank bottom surface of described floss hole, material emptying in the tank of guaranteeing reclaimed materials to be pulled an oar when stopping work.
Further, on described reclaimed materials making beating pot sidewall, be provided with the rectangular visor being communicated with it, to observe the liquid level in reclaimed materials making beating tank.
Reclaimed materials making beating tank described in the utility model and pipeline all adopt stainless steel to make, and preferably adopt SS304L stainless steel to make.
Adopt the recovery method of the utility model terephthalic acid (TPA) powder reclaiming device terephthalic acid (TPA) powder, comprise the following steps: when throwing in terephthalic acid (TPA) powder to receiving hopper, open demineralized water pipeline, terephthalic acid (TPA) powder enters reclaimed materials from receiving hopper and pulls an oar in tank under the flushing of demineralized water, the speed that the flow of controlling described demineralized water can be controlled terephthalic acid (TPA) powder and enters reclaimed materials making beating tank, blanking velocity is according to liquid level and the flexible adjustment of concentration of reclaimed materials making beating tank, guarantee that pneumatic diaphragm pump normally moves, also guarantee that overflow canful wasting phenomenon can not occur reclaimed materials making beating tank.In reinforced, pull an oar water from pulp-water entrance enter in reclaimed materials making beating tank and mix with powder, mixed slurry is delivered to technique material-compound tank through slurry outlet and pneumatic diaphragm pump successively, making beating water described in the utility model is demineralized water.Be that the utility model enters in reclaimed materials making beating tank for two pipelines of desalination moisture that mix with terephthalic acid (TPA) powder, one is demineralized water pipeline, and one is making beating water inlet, is appreciated that the concrete composition of two making beating water in pipeline can be different.
Initial stage making beating water flow velocity is less, when slurry volume is greater than the 30-50% of reclaimed materials making beating tank volume, improves the flow velocity of making beating water, and then reduces the flow velocity of making beating water, repeatedly improves and reduce making beating water flow velocity, and the flow velocity of the water of pulling an oar is periodically conversion.The raising or the reduction that are appreciated that making beating water flow velocity described in the utility model are comparatively speaking, and the flow velocity of general initial stage making beating water is 1～2m/s, and after improving, the flow velocity of making beating water is 4～5m/s.The adjusting of described making beating discharge realizes by the control valve opening amount in water lines of pulling an oar.
Described slurry solid content (quality percentage) is below 40%.The amount ratio of described terephthalic acid (TPA) powder and demineralized water is 1:2-6, preferably 1:4.
Making beating water described in the utility model is demineralized water, and described demineralized water is that the batching water in main device flow process is removed in the water such as suspension, colloid, inorganic cation and inorganic anion after impurity, the finished product water obtaining.Making beating water is used the batching water in main device flow process, neither can introduce other water sources, also can not affect the water balance of system; When a batch of powder reclaimer operation finishes, use making beating water to rinse reclaimed materials making beating tank for several times, use pneumatic diaphragm pump that flushing water is delivered to material-compound tank in device beam journey, reclaim completely, do not waste discharge; Close the termination of pumping of pneumatic diaphragm source of the gas, open floss hole by clean the reclaimed materials discharge of materials of pulling an oar in tank, treat to use next time.The utility model floss hole design is in the minimum point of reclaimed materials making beating pot sidewall, and the complete emptying of liquid that reclaimed materials can be pulled an oar in tank can liquid storage; So a whole set of terephthalic acid (TPA) powder reclaiming device does not need design insulation companion heat, can not freeze in the winter time between hypothermic phase yet;
The utility model terephthalic acid (TPA) powder reclaiming device is simple in structure, compact, and terephthalic acid (TPA) powder recovery method step science, reasonable, has the following advantages compared with prior art:
1, the utility model is carried the slurry after making beating with pneumatic diaphragm pump, and the pump operated control of pneumatic diaphragm is easy, be difficult for the advantages such as the slurry concentration variable effect that causes the stifled pump of buildup and carried by operation is very little; Compare Ordinary Centrifugal Pumps simultaneously, reduced cost of investment, the operation expense of moving equipment; Generally carry in addition the centrifugal pump of slurry all to need outer join sealing water and supporting machinery sealing, the utility model employing pneumatic diaphragm pump is avoided outer completely and is joined seal water system and mechanical seal, reaches the effect of simple and convenient operation.
2, the setting of making beating water lines described in the utility model, can play stirring action to the reclaimed materials pot bottom material of pulling an oar, and effectively prevents the deposition of terephthalic acid (TPA) powder, does not need again to arrange mechanical type rabbling mechanism, reduces investment and the operation maintenance of equipment.
Accompanying drawing explanation
Fig. 1 is the annexation schematic diagram of the utility model terephthalic acid (TPA) powder reclaiming device;
Fig. 2 is reclaimed materials making beating jar structure schematic diagram;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view of receiving hopper in Fig. 2;
Fig. 5 is making beating water lines structural representation.
The specific embodiment
Below in conjunction with embodiment, the utility model is further illustrated:
Fig. 1 is the annexation schematic diagram of the utility model terephthalic acid (TPA) powder reclaiming device; Fig. 2 is reclaimed materials making beating jar structure schematic diagram; Fig. 3 is the left view of Fig. 2; Fig. 4 is the top view of receiving hopper in Fig. 2; Fig. 5 is making beating water lines structural representation.
The present embodiment discloses a kind of terephthalic acid (TPA) powder reclaiming device, as Figure 1-3, comprises reclaimed materials making beating tank 1 and pneumatic diaphragm pump 3, and reclaimed materials making beating tank 1 is rectangular vessel, and its length × wide × height is: 2000 × 2000 × 1000mm, actual volume is 4m
3, reclaimed materials making beating tank 1 top is provided with receiving hopper 2.As shown in Figure 4, the receiving hopper that receiving hopper 2 is rectangle for cross section, receiving hopper 2 inner sides are also provided with the outlet of demineralized water pipeline, in the present embodiment, demineralized water pipeline is metal hose, the outlet of demineralized water pipeline is shower nozzle, terephthalic acid (TPA) powder and control blanking velocity that demineralized water adheres to for cleaning receiving hopper 2 inwalls.The cross section of receiving hopper 2 is provided with stainless steel cloth 12, and the aperture of stainless steel cloth 12 is 2mm.Stainless steel cloth 12 can filter piece material material or the foreign matter that in terephthalic acid (TPA) powder, may exist.
Reclaimed materials making beating tank 1 bottom is provided with making beating water inlet 5, making beating water inlet 5 is communicated with by making beating water arm with making beating jellyfish pipe, making beating water arm is provided with valve near one end of making beating jellyfish pipe, after valve closing, in making beating water lines, liquid storage phenomenon can not occur.With respect to Ordinary Centrifugal Pumps, select pneumatic diaphragm pump to carry slurry, there is cost of investment low, without operating cost, the advantage such as simple to operate and load adjustment is convenient.Reclaimed materials making beating tank 1 bottom is provided with slurry outlet 6 away from one end of making beating water inlet 5; Slurry outlet 6 is communicated with pneumatic diaphragm pump 3 entrances by pipeline, and pneumatic diaphragm pump 3 exports by pipeline and the refining hydrogenation reaction head tank of technique material-compound tank 4() be communicated with; Slurry outlet 6 has a segment distance apart from reclaimed materials making beating tank 1 bottom, guarantees to be positioned at the larger foreign matter of reclaimed materials making beating tank 1 bottom density and can not enter pneumatic diaphragm pump 3 by pipeline.
Reclaimed materials making beating tank 1 top liquid level is to be provided with overfall 8 on the sidewall at 90% place, and overfall 8 is communicated with pneumatic diaphragm pump 3 entrances by pipeline, prevents the reclaimed materials tank 1 full water roof fall of pulling an oar, and guarantees handling safety.On the sidewall of reclaimed materials making beating tank 1 bottom, be also provided with floss hole 7, the arranging highly near reclaimed materials making beating tank 1 bottom surface of floss hole 7.
On reclaimed materials making beating tank 1 sidewall, be provided with the rectangular visor 9 being communicated with it, to observe the liquid level in reclaimed materials making beating tank 1.
Reclaimed materials making beating tank 1 inner bottom part is provided with making beating water lines 10, this making beating water lines 10 comprises four pipelines in parallel, every pipeline is provided with 7 making beating water outs 11 near a side of reclaimed materials making beating tank 1 bottom, making beating water out 11 can play the effect of mixer when carrying making beating water, effectively prevent the deposition of terephthalic acid (TPA) powder, without mechanical type rabbling mechanism is set, reduce investment and the operation maintenance of equipment; The aperture of making beating water out 11 is 5MM.
The utility model reclaimed materials making beating tank and pipeline all adopt SS304L stainless steel to make.
This terephthalic acid (TPA) powder reclaiming device construction site is arranged near the material-compound tank in main device flow process, to facilitate the piping work of making beating water, stock line; This terephthalic acid (TPA) powder reclaiming device energy intermittent duty, is not subject to the impact of time, weather.In pipeline designs, take into full account the low weather conditions that very easily freeze of northeast temperature, all emission points all design in minimum point, and guaranteeing can emptying; Isolating valve also designs manages nearest position from mother, after guaranteeing valve closing, valve rear line can residual liquid; Reclaimed materials making beating tank 1 has also designed a floss hole 7 in minimum point, the complete emptying of liquid of tank 1 inside of reclaimed materials can being pulled an oar; By above design, this covering device is without design insulation companion warm, and phenomenon in the winter time can not freeze yet.
Adopt the disclosed terephthalic acid (TPA) powder reclaiming device of the present embodiment to carry out the recovery of terephthalic acid (TPA) powder, specifically comprise the following steps:
By in PTA production process because of sampling clout, analytical test clout, the discard processing that keeps sample material, when equipment and pipeline maintenance, discharge waits the terephthalic acid (TPA) powder collection producing, use fork truck that terephthalic acid (TPA) powder is delivered to directly over the receiving hopper 2 that reclaimed materials making beating tank 1 pushes up, terephthalic acid (TPA) powder is put into gradually to the receiving hopper 2 of reclaimed materials making beating tank 1, use demineralized water to rinse receiving hopper 2 walls simultaneously, terephthalic acid (TPA) powder enters reclaimed materials from receiving hopper 2 and pulls an oar in tank 1 under the flushing of demineralized water, the speed that the flow of controlling described demineralized water can be controlled terephthalic acid (TPA) powder and enters reclaimed materials making beating tank 1, blanking velocity is according to liquid level and the flexible adjustment of concentration of reclaimed materials making beating tank 1, guarantee that pneumatic diaphragm pump normally moves, also guarantee that overflow canful wasting phenomenon can not occur reclaimed materials making beating tank 1.In reinforced to reclaimed materials making beating tank 1, pull an oar water from pulp-water entrance 5 enter in reclaimed materials making beating tank 1 and mix with powder, mixed slurry is delivered to technique material-compound tank 4 through slurry outlet 6 and pneumatic diaphragm pump 3 successively.
Less at the initial stage of blowing making beating water flow velocity is 1～2m/s, when slurry volume is greater than the 30-50% of reclaimed materials making beating tank 1 volume, control flow velocity to the 4～5m/s of valve raising making beating water in making beating water lines, and then the flow velocity of reduction making beating water, repeatedly improve and reduce making beating water flow velocity, the flow velocity of water of pulling an oar is periodically conversion, the cycle variation of making beating water flow velocity makes the from making beating water of pulp-water pipeline flow process stir the interior material of reclaimed materials making beating tank 1, and the interior material of reclaimed materials making beating tank 1 is able to fully stirring and forms uniform suspension mixed liquor.
Described slurry solid content is below 40%.The amount ratio of described powder and demineralized water is 1:4.The water of pulling an oar described in the present embodiment is demineralized water, and making beating water is used the batching water in main device flow process, and described demineralized water is to remove in the water such as suspension, colloid and inorganic cation, anion after impurity, the finished product water obtaining.When a batch of terephthalic acid (TPA) powder reclaimer operation finishes, use making beating water to rinse reclaimed materials making beating tank 1 for several times, use pneumatic diaphragm pump 3 that flushing water is delivered to the material-compound tank in pure terephthalic acid producing device main flow, reclaim completely, do not waste discharge; Close the termination of pumping of air driven pump source of the gas, open floss hole 7 by clean the reclaimed materials interior discharge of materials of tank 1 of pulling an oar, treat to use next time.
The utility model is not limited to the terephthalic acid (TPA) powder reclaiming device that above-described embodiment is recorded, and the change of the change of reclaimed materials making beating tankage size, the change of overfall setting position, receiving hopper structure and the change of making beating water lines structure are all within protection domain of the present utility model.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (7)
1. a terephthalic acid (TPA) powder reclaiming device, it is characterized in that, comprise reclaimed materials making beating tank and pneumatic diaphragm pump, described reclaimed materials making beating tank top is provided with receiving hopper, described reclaimed materials making beating tank bottom is provided with making beating water inlet, and described reclaimed materials making beating tank bottom is provided with slurry outlet away from one end of making beating water inlet; Described slurry outlet is communicated with pneumatic diaphragm pump intake by pipeline, and described pneumatic diaphragm pump discharge is communicated with technique material-compound tank by pipeline; Described receiving hopper inner side is also provided with the outlet of demineralized water pipeline.
2. terephthalic acid (TPA) powder reclaiming device according to claim 1, is characterized in that, described reclaimed materials making beating tank top is provided with overfall, and described overfall is communicated with pneumatic diaphragm pump intake by pipeline.
3. terephthalic acid (TPA) powder reclaiming device according to claim 1, is characterized in that, the cross section of described receiving hopper is provided with stainless steel cloth, and the length of side of described stainless steel wire screen distance is 1-5mm.
4. terephthalic acid (TPA) powder reclaiming device according to claim 1, it is characterized in that, described reclaimed materials making beating tank inner bottom part is provided with making beating water lines, and described making beating water lines is provided with making beating water out near a side of reclaimed materials making beating pot bottom, and the aperture of described making beating water out is 2-10mm.
5. terephthalic acid (TPA) powder reclaiming device according to claim 4, is characterized in that, described making beating water lines comprises the pipeline of two more parallels.
6. terephthalic acid (TPA) powder reclaiming device according to claim 1, is characterized in that, described making beating water inlet is communicated with by making beating water arm with making beating jellyfish pipe, and the close one end of pulling an oar jellyfish pipe of described making beating water arm is provided with valve.
7. terephthalic acid (TPA) powder reclaiming device according to claim 1, is characterized in that, on described reclaimed materials making beating pot sidewall, is provided with the rectangular visor being communicated with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759549.XU CN203577656U (en) | 2013-11-25 | 2013-11-25 | Terephthalic acid powder recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759549.XU CN203577656U (en) | 2013-11-25 | 2013-11-25 | Terephthalic acid powder recovery device |
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| Publication Number | Publication Date |
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| CN203577656U true CN203577656U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320759549.XU Withdrawn - After Issue CN203577656U (en) | 2013-11-25 | 2013-11-25 | Terephthalic acid powder recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585906B (en) * | 2013-11-25 | 2016-02-10 | 恒力石化（大连）有限公司 | Terephthalic acid (TPA) powder reclaiming device and recovery method |
-
2013
- 2013-11-25 CN CN201320759549.XU patent/CN203577656U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103585906B (en) * | 2013-11-25 | 2016-02-10 | 恒力石化（大连）有限公司 | Terephthalic acid (TPA) powder reclaiming device and recovery method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20160210 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |