CN215893301U

CN215893301U - Steam waste heat recycling device with energy utilization rate is improved

Info

Publication number: CN215893301U
Application number: CN202120861270.7U
Authority: CN
Inventors: 薛建斐; 董富金; 李海峰; 陆霞
Original assignee: Nantong Boyi Chemical Co ltd
Current assignee: Nantong Boyi Chemical Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-02-22
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a steam waste heat recycling device capable of improving energy utilization rate, which comprises a steam mechanism, a collecting mechanism, a recycling mechanism and a concentrating mechanism, wherein the recycling mechanism, the collecting mechanism, the steam mechanism and the concentrating mechanism are all connected through a pipeline mechanism, the pipeline mechanism comprises a heating pipeline and a preheating pipeline, the heating pipeline is arranged at the front end of the preheating pipeline, the heating pipeline and the preheating pipeline are respectively provided with at least two stages of combined tubes, the concentrating mechanism is matched with the steam mechanism and the collecting mechanism through the heating pipeline, and the collecting mechanism is matched with the concentrating mechanism and the recycling mechanism through the preheating pipeline. The utility model adopts a steam heat exchange mode to improve the concentration efficiency, recycles heat energy for heating and preheating, effectively improves the utilization rate of energy, avoids adding other water resources, reduces the supply chain of the water resources, saves the water cost and simultaneously improves the material concentration efficiency.

Description

Steam waste heat recycling device with energy utilization rate is improved

Technical Field

The utility model belongs to the technical field of production equipment, and particularly relates to a steam waste heat recycling device capable of improving energy utilization rate.

Background

At present, the acrylamide aqueous solution is generally concentrated by a concentration tower, and the concentration efficiency of the acrylamide aqueous solution is low because the temperature in the concentration tower is slowly increased. The existing stage has carried out the heat transfer through steam and has improved acrylamide aqueous solution concentration efficiency, can discharge out the higher steam condensate of a large amount of temperatures after the steam heat transfer, just need just can use through the cooling water tower cooling if the recycle steam condensate, so not only water resource is wasted, and the heat energy in the steam condensate also can not get the utilization moreover, causes the waste of the energy.

The existing potassium chloride evaporation waste heat recycling device of Chinese patent CN 212504021U comprises: the evaporimeter, steam recovery ware, the hot-water cylinder, the vacuum pump, the hot-water pump, dissolve the cauldron, the evaporimeter is connected with steam recovery ware and hot water collection tank through the pipeline respectively, steam recovery ware passes through pipeline and vacuum pump connection, the hot-water pump is connected with hot water collection tank and dissolving the jar through the pipeline respectively, this prior art solves the problem of energy resource consumption and water resource waste, but this prior art lets in steam earlier cooling water and becomes hot water, mix the raising the temperature with steam condensate water and this part hot water again and use, because steam condensate water still need mix with the hot water and just can be used, the utilization ratio of the event energy is lower, the water resource supply chain is higher, just also lost steam waste heat recovery and utilization's value. For this reason, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steam waste heat recycling device capable of improving the energy utilization rate, and aims to solve the problems that the existing steam waste heat recycling device provided in the background art is low in energy utilization rate and high in water resource supply chain.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a steam waste heat recovery utilizes device with improve energy utilization rate, includes steam mechanism, collects mechanism, retrieves mechanism and concentration mechanism, retrieve mechanism, collection mechanism, steam mechanism and concentration mechanism and all connect through pipeline mechanism, pipeline mechanism includes heating tube and preheats the pipeline, a serial communication port, heating tube sets up the front end at preheating tube, heating tube respectively is provided with at least two-stage combination tubulation with preheating tube, concentration mechanism passes through the combination tubulation of heating tube and steam mechanism and collects the mechanism cooperation setting, it sets up with the cooperation of recovery mechanism through preheating tube's combination tubulation to collect the mechanism for improve the utilization rate of the energy.

The heating pipeline is arranged in front of the preheating pipeline, at least two stages of combined tubes are respectively arranged on the heating pipeline and the preheating pipeline, and the combined tubes comprise a material pipeline I or a material pipeline II and a steam pipeline or a hot water pipeline.

The material pipeline I is provided with a material conveying opening and a material discharging opening, the material conveying opening is connected with the material storage tank through a circulating pump, and the material discharging opening is connected with the concentration tower through a spray head.

The material pipeline II is provided with a feeding hole and a discharging hole, the feeding hole is connected with the material bin, and the discharging hole is connected with the material storage tank.

The steam pipeline is provided with an air inlet and a steam condensate outlet, the air inlet is connected with the steam tank, and the steam condensate outlet is connected with the hot water collecting tank.

The hot water pipeline is provided with a water inlet and a water outlet, the water inlet is connected with the hot water collecting tank through a hot water pump, and the water outlet is connected with the warm water recycling tank.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model adopts a steam heat exchange mode to improve the concentration efficiency, firstly, a steam mechanism heats a first batch of materials through a pipeline mechanism, and conveys the heated materials to a concentration mechanism for concentration, simultaneously, steam condensate water generated after heating can be discharged into a collecting mechanism, the steam condensate water in the collecting mechanism preheats a new batch of materials through the pipeline mechanism, and conveys the preheated materials to the concentration mechanism, simultaneously warm water generated after preheating can be discharged into a recycling mechanism, the recycling mechanism collects and utilizes the warm water in the process production, the preheated materials are conveyed into the pipeline mechanism through the concentration mechanism, the materials are heated and concentrated, and simultaneously, the heated steam condensate water can be discharged into the collecting mechanism again, thus, the heat energy is recycled for heating and preheating, the utilization rate of energy is effectively improved, and other water resources are avoided being added, the supply chain of water resource has been reduced, the cost of having practiced thrift the water, has also improved the efficiency of material concentration simultaneously.

2. The utility model adopts the multi-stage combined tube nest to heat and preheat the materials, thereby not only greatly improving the concentration efficiency of the concentration tower, but also greatly improving the concentration of the material concentration.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

FIG. 3 is a schematic side view of the assembled tube array of the present invention.

Wherein: 1. a steam tank; 2. a hot water collecting tank; 3. a warm water recovery tank; 4. heating the pipeline; 5. preheating a pipeline; 6. a material pipeline I; 7. a steam line; 8. a material pipeline II; 9. a hot water pipe; 10. an air inlet; 11. a steam condensate outlet; 12. a material conveying port; 13. a circulation pump; 14. a material storage tank; 15. a discharge outlet; 16. a shower head; 17. a concentration tower; 18. a water inlet; 19. a hot water pump; 20. a water outlet; 21. a feed inlet; 22. and (4) a discharge port.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1: (taking a five-stage combined pipeline as an example)

Referring to fig. 1, a steam waste heat recycling device based on improvement of acrylamide concentration efficiency includes a steam tank 1, a hot water collecting tank 2, a warm water recycling tank 3, a heating pipeline 4 and a preheating pipeline 5, wherein the heating pipeline 4 and the preheating pipeline 5 are both provided with a five-stage combined tube array (as shown in fig. 3), the five-stage combined tube array of the heating pipeline 4 is provided with a five-stage material pipeline i 6 and a five-stage steam pipeline 7, the five-stage material pipeline i 6 is sleeved in the five-stage steam pipeline 7, the five-stage combined tube array of the preheating pipeline 5 is provided with a five-stage material pipeline ii 8 and a five-stage hot water pipeline 9, the five-stage material pipeline ii 8 is sleeved in the five-stage hot water pipeline 9, and the stages are connected in series, so that the preheating effect of materials can be improved more quickly. Firstly, a steam tank 1 is connected with a five-level steam pipeline 7 through an air inlet 10, the five-level steam pipeline 7 is connected with a hot water collecting tank 2 through a steam condensate outlet 11, then the five-level material pipeline I6 is connected with a material storage tank 14 through a material conveying port 12 and a circulating pump 13, then the five-level material pipeline I6 is connected with a concentration tower 17 through a material discharging port 15 and a spraying head 16, materials pumped into the five-level material pipeline I6 from the material storage tank 14 through the circulating pump 13 are heated by using the heat of steam, the concentration efficiency of the materials entering the concentration tower is improved, and meanwhile, steam condensate generated after heating flows into the hot water collecting tank 2 to collect and reuse the steam condensate; secondly, the preheating pipeline 5 is connected, firstly the hot water collecting tank 2 is connected with the five-stage hot water pipeline 9 through the water inlet 18 and the hot water pump 19, then the five-stage hot water pipeline 9 is connected with the warm water recovery tank 3 through the water outlet 20, then the materials are conveyed into a five-level material pipeline II 8 through a feeding hole 21, then the five-level material pipeline II 8 is connected with a material storage tank 14 through a discharging hole 22, a new batch of the entering materials are preheated by utilizing the waste heat of steam condensate, the heating efficiency of the materials entering a material pipeline I6 is improved, meanwhile, warm water generated after preheating is conveyed to the warm water recovery tank 3, and is collected and utilized to the process production by the warm water recovery tank 3, so that other water resources are avoided being added, the supply chain of the water resources is reduced, the water cost is saved, the utilization rate of heat energy is improved, and the efficiency of material concentration is also improved.

Example 2: (taking three-stage combined pipeline as an example)

Please refer to fig. 2, the steam waste heat recycling device of the embodiment includes a steam tank 1, a hot water collecting tank 2, a warm water recycling tank 3, a heating pipeline 4 and a preheating pipeline 5, wherein the first heating pipeline 4 and the preheating pipeline 5 are both provided with a third-stage combined tube array (as shown in fig. 3), the third-stage combined tube array of the heating pipeline 4 is provided with a third-stage material pipeline i 6 and a third-stage steam pipeline 7, the third-stage material pipeline i 6 is sleeved in the third-stage steam pipeline 7, the third-stage combined tube array of the preheating pipeline 5 is provided with a third-stage material pipeline ii 8 and a third-stage hot water pipeline 9, the third-stage material pipeline ii 8 is sleeved in the third-stage hot water pipeline 9, stages are connected in series, and the production cost can be saved while the material preheating effect is improved.

The working principle and the using process of the utility model are as follows: when acrylamide needs to be concentrated, (the direction of the acrylamide is shown as a circular arrow in figures 1 and 2, and the direction of steam and steam condensate is shown as a black arrow in figures 1 and 2), firstly, acrylamide is conveyed into a storage tank 14 by the storage tank 14 through a circulating pump 13, meanwhile, steam in the steam tank 1 is conveyed into a steam pipeline 7, when the steam flows away from the steam pipeline 7, the acrylamide in the material pipeline I6 is heated by using the heat of the steam, the heated acrylamide is sprayed into a concentration tower 17 through a spray head 16, then, the acrylamide concentrated by the concentration tower 17 is conveyed into the storage tank 14, the concentration of the acrylamide is increased according to the sequence and repeated for a plurality of times, meanwhile, the concentration efficiency is increased, and then, the firstly concentrated acrylamide is discharged from an outlet of the storage tank 14, obtain the acrylamide with higher concentration, steam can become steam condensate after heating simultaneously, a large amount of steam condensate can discharge into hot water collecting vat 2 through steam conduit 7 this moment, because the steam condensate temperature that hot water collecting vat 2 collected is higher, need add the cooling water during the recovery and just can be utilized, so carry the higher steam condensate of temperature to hot water pipeline 9 in hot water collecting vat 2 through hot water pump 19, simultaneously carry a new batch of acrylamide to material pipeline II 8 by feed inlet 21, when steam condensate swims away in hot water pipeline 9, utilize the waste heat of steam condensate to preheat the acrylamide in material pipeline II 8, the acrylamide after preheating directly carries to storage tank 14 in, the acrylamide in storage tank 14 can be squeezed into material pipeline I6 through circulating pump 13 again and circulate and carry on the concentration, steam condensate can become the warm water of lower temperature after preheating simultaneously, a large amount of warm water can be discharged into warm water accumulator 3 through hot water pipeline 9 this moment, is collected by warm water accumulator 3 again and utilizes in the technology production, avoids adding other water resources, has reduced the supply chain of water resource, has practiced thrift the cost of water, has not only improved the utilization ratio of heat energy, has also improved the efficiency that the material concentrated moreover.

Claims

1. The utility model provides a steam waste heat recovery utilizes device with improve energy utilization rate, includes steam mechanism, collects mechanism, retrieves mechanism and concentration mechanism, retrieve mechanism, collection mechanism, steam mechanism and concentration mechanism and all connect through pipeline mechanism, pipeline mechanism includes heating tube and preheats the pipeline, a serial communication port, heating tube sets up the front end at preheating tube, heating tube respectively is provided with at least two-stage combination tubulation with preheating tube, concentration mechanism passes through the combination tubulation of heating tube and steam mechanism and collects the mechanism cooperation setting, it sets up with the cooperation of recovery mechanism through preheating tube's combination tubulation and concentration mechanism to collect the mechanism.

2. The steam waste heat recycling device capable of improving the energy utilization rate according to claim 1, wherein the combined tube array of the heating pipeline comprises a material pipeline I and a steam pipeline, the material pipeline I is sleeved in the steam pipeline, and the material pipeline I is connected with the concentration mechanism.

3. The steam waste heat recycling device with the energy utilization rate improving function is characterized in that the concentrating mechanism comprises a storage tank and a concentrating tower, the storage tank is communicated with the concentrating tower, the concentrating tower is connected with a discharge port of a material pipeline I through a spray head, the storage tank is connected with a material conveying port of the material pipeline I through a circulating pump, and the storage tank is matched with the steam pipeline through the material pipeline I.

4. The steam waste heat recycling device capable of improving the energy utilization rate according to claim 1, wherein the combined tube of the preheating pipeline comprises a material pipeline II and a hot water pipeline, the material pipeline II is sleeved in the hot water pipeline, and the material pipeline II is connected with the storage tank.

5. The steam waste heat recycling device for improving the energy utilization rate as claimed in claim 1, wherein the steam mechanism comprises a steam tank, the steam tank is connected with an air inlet of a steam pipeline, and a steam condensate outlet of the steam pipeline is connected with the collecting mechanism.

6. The steam waste heat recycling device with the energy utilization rate improving function as claimed in claim 1, wherein the collecting mechanism comprises a hot water collecting tank, the hot water collecting tank is connected with the steam condensate outlet, the hot water collecting tank is connected with a water inlet of a hot water pipeline through a hot water pump, and the hot water collecting tank is communicated with the recycling mechanism through the hot water pipeline.

7. The steam waste heat recycling device for improving the energy utilization rate as claimed in claim 1, wherein the recycling mechanism comprises a warm water recycling tank, and the warm water recycling tank is connected with the water outlet of the hot water pipeline.

8. The steam waste heat recycling device capable of improving the energy utilization rate according to claim 4, wherein the hot water pipeline is matched with a storage tank through a material pipeline II, and the storage tank is connected with a discharge hole of the material pipeline II.