CN216497506U

CN216497506U - Temperature and pressure reducing device

Info

Publication number: CN216497506U
Application number: CN202123323948.5U
Authority: CN
Inventors: 刁功科; 张文魁; 张沛
Original assignee: Henan Yuxin Sugar Alcohol Co ltd
Current assignee: Henan Yuxin Sugar Alcohol Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-13
Anticipated expiration: 2031-12-27

Abstract

The utility model belongs to the technical field of xylitol equipment, and particularly discloses a temperature and pressure reducing device which comprises a first tank body and a second tank body, wherein the second tank body is positioned in the first tank body, an interlayer is formed between the first tank body and the second tank body, cooling liquid circularly flows in the interlayer, a spiral pipeline is spirally wound on the periphery of the second tank body, a first inlet of the spiral pipeline is arranged outside the first tank body, a first outlet is communicated with the second tank body, one end of the interlayer is provided with a second inlet, the other end of the interlayer is provided with a second outlet, the second inlet is connected with a container for storing the cooling liquid through a steam suction pump, and a steam inlet of the steam suction pump is communicated with an exhaust pipeline of the second tank body; so as to reduce the temperature and the air pressure of high-temperature steam introduced from a power plant and enable the high-temperature steam to meet the requirement of producing xylitol.

Description

Temperature and pressure reducing device

Technical Field

The utility model relates to the technical field of xylitol equipment, in particular to a temperature and pressure reducing device.

Background

In the extraction production process of xylitol, need heat the concentration to xylitol solution through high-temperature steam, for reducing the cost of production, plan to quote the high-temperature steam of power plant, however, the temperature and the atmospheric pressure of the high-temperature steam of power plant all are far higher than the required temperature and atmospheric pressure of preparation xylitol, and how to realize applying the high-temperature steam of power plant to the technical problem who needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a temperature and pressure reducing device to reduce the temperature and the pressure of high-temperature steam introduced from a power plant so as to meet the requirements of producing xylitol and further reduce the production cost.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a temperature and pressure reduction device, includes the first jar of body and the second jar of body, the second jar of body is located the first jar of internal, just constitute the intermediate layer between the first jar of body and the second jar of body, the intermediate layer mesocycle flows has the coolant liquid, just the periphery spiral winding of the second jar of body has the helical piping, the first jar of external portion is located in the first import of helical piping, the intercommunication of the first export and the second jar of body, just interbedded one end is equipped with the second import, and the other end is equipped with the second export, the second import is connected through the steam suction pump and is stored the container of coolant liquid, just the steam inlet of steam suction pump and the exhaust duct intercommunication of the second jar of body.

Further, the second outlet is connected with the container pipe.

Further, the first inlet and the second outlet are located at the same end of the first tank.

Further, the exhaust pipeline is provided with an electric pressure regulating valve, and the electric pressure regulating valve is connected with the steam inlet pipe.

Further, the steam outlet of the steam suction pump is connected with a part of the pipe of the exhaust pipeline located at the downstream of the electric pressure regulating valve.

Further, the outer wall of the second tank body is connected with the inner wall of the first tank body through a connecting rod.

Further, the outer wall of the second tank body and the inner wall of the second tank body are not in contact with the spiral pipeline.

Compared with the prior art, the temperature and pressure reducing device provided by the utility model has the advantages that the structure is distinctive, the temperature in high-temperature steam is absorbed through heat exchange between cooling liquid in the interlayer and the spiral pipeline, part of the high-temperature steam is liquefied, the temperature and the air pressure of the high-temperature steam are reduced, in addition, enough cooling liquid can be kept contained through the interlayer, the space of the interlayer can be reduced, the flowability of the cooling liquid is improved, and the cooling liquid is efficiently utilized; the high-temperature steam can be fully utilized, external energy is not needed, the cooling liquid is kept to flow in the interlayer, the temperature and the air pressure of the high-temperature steam can be further reduced, and the air pressure and the temperature of the high-temperature steam can be accurately adjusted when the high-temperature steam is subsequently connected into the xylitol device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a temperature and pressure reducing device.

In the figure: 1. the steam-suction type filter comprises an exhaust pipeline, 2, a first tank body, 3, a second tank body, 4, a spiral pipeline, 5, a first inlet, 6, an interlayer, 7, a connecting rod, 8, a second outlet, 9, a second inlet, 10, a steam suction pump, 11, a steam outlet, 12, a steam inlet and 13, and a filter.

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. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a temperature and pressure reducing apparatus according to a preferred embodiment of the present invention includes a first tank 2 and a second tank 3, the second tank 3 is located in the first tank 2, an interlayer 6 is formed between the first tank 2 and the second tank 3, a cooling fluid circulates in the interlayer 6, a spiral pipe 4 is spirally wound around the periphery of the second tank 3, the spiral pipe 4 is used for receiving and transmitting high-temperature steam transmitted from a power plant, the spiral pipe 4 contacts with the cooling fluid to exchange heat therebetween, so as to reduce the temperature of the high-temperature steam, and the liquefaction of the high-temperature steam after partial heat exchange also reduces the pressure reduction of the high-temperature steam in the spiral pipe 4, a first inlet 5 of the spiral pipe 4 is located outside the first tank 2, the first inlet 5 is connected to a transmission pipe of the power plant, the first outlet is communicated with the second tank 3, high-temperature steam after first export discharge is lowered the temperature and is stepped down gets into in the second jar of body 3, the second jar of body 3 is used for keeping in high-temperature steam after the cooling step-down, and reduce the velocity of flow, and the one end of intermediate layer 6 is equipped with second import 9, the other end is equipped with second export 8, the container that the coolant liquid was deposited in the connection of second import 9 through steam suction pump 10, and steam suction pump 10's steam inlet 12 and the exhaust duct 1 intercommunication of the second jar of body 3, and then utilize high-temperature steam to be power drive steam suction pump 10, in with coolant liquid suction intermediate layer 6, keep the coolant liquid mobility in the intermediate layer 6, further consume the energy in the high-temperature steam, reduce its temperature and pressure.

When the temperature and pressure reducing device provided by the utility model is applied, the cooling liquid in the interlayer 6 exchanges heat with the spiral pipeline 4, so that the temperature in the high-temperature steam is absorbed, part of the high-temperature steam is liquefied, the temperature and the air pressure of the high-temperature steam are reduced, in addition, the interlayer 6 can keep accommodating enough amount of cooling liquid, the space of the interlayer 6 can be reduced, the mobility of the cooling liquid is improved, and the cooling liquid is efficiently utilized; and can make full use of high-temperature steam, need not external energy, keep the coolant liquid to flow in intermediate layer 6, and can further reduce the temperature and the atmospheric pressure of high-temperature steam, the accurate atmospheric pressure and the temperature of adjusting high-temperature steam again when follow-up connection goes into xylitol equipment can.

In addition to the above embodiments, the second outlet 8 is connected to the container pipe to maintain the circulation flow of the cooling liquid, thereby improving the utilization efficiency.

On the basis of the above embodiment, the first inlet 5 and the second outlet 8 can be located at the same end of the first tank 2, so as to keep the flow directions of the cooling liquid and the high-temperature steam opposite, and improve the energy-saving efficiency.

On the basis of the above embodiment, the exhaust pipe 1 is provided with an electric pressure regulating valve, the electric pressure regulating valve is connected with the steam inlet 12 through a pipe, and the electric pressure regulating valve regulates the air pressure of the high-temperature steam entering the steam suction pump 10, so as to regulate the rotating speed of the steam suction pump 10.

On the basis of the above embodiment, the steam outlet 11 of the steam suction pump 10 is connected with the part of the exhaust pipeline 1 located at the downstream of the electric pressure regulating valve to recover the high-temperature steam passing through the steam suction pump 10, so as to avoid waste, and in specific implementation, a filter 13 may be added between the steam outlet 11 and the exhaust pipeline 1 to filter the impurities appearing, so as to ensure the cleanliness of the high-temperature steam reentering the exhaust pipeline 1.

In specific production, the outer wall of the second tank body 3 is connected with the inner wall of the first tank body 2 through the connecting rod 7, the outer wall of the second tank body 3 and the inner wall of the second tank body 3 are not in contact with the spiral pipeline 4, the contact area of the spiral pipeline 4 and cooling liquid is increased, and particularly, the cooling liquid can adopt low-cost cooling water.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a temperature and pressure reduction device, its characterized in that, includes the first jar of body and the second jar of body, the second jar of body is located the first jar of internal, just constitute the intermediate layer between the first jar of body and the second jar of body, the intermediate layer mesocycle flows has the coolant liquid, just the periphery spiral winding of the second jar of body has the helical pipeline, the first external portion of jar is located in the first import of helical pipeline, the intercommunication of the first export and the second jar of body, just interbedded one end is equipped with the second import, and the other end is equipped with the second export, the container that has the coolant liquid is stored in the connection of steam suction pump is passed through in the second import, just the steam inlet of steam suction pump and the exhaust duct intercommunication of the second jar of body.

2. A device as claimed in claim 1, wherein the second outlet is connected to a vessel pipe.

3. A device for reducing temperature and pressure according to claim 2, wherein the first inlet and the second outlet are located at the same end of the first tank.

4. A temperature and pressure reducing apparatus according to claim 1, wherein the exhaust duct is provided with an electrically operated pressure regulating valve, and the electrically operated pressure regulating valve is connected to a steam inlet pipe.

5. A temperature and pressure reducing apparatus according to claim 4, wherein the steam outlet of the steam suction pump and the exhaust pipe are connected by a partial pipe downstream of the electric pressure regulating valve.

6. A desuperheating and pressure reducing device according to claim 1 wherein the outer wall of the second tank is connected to the inner wall of the first tank by a connecting rod.

7. A desuperheating and pressure reducing device of claim 1 wherein neither the outer wall of the second tank nor the inner wall of the second tank is in contact with the spiral conduit.