CN214502163U

CN214502163U - Circulation energy-saving cold-heat exchanger

Info

Publication number: CN214502163U
Application number: CN202120273130.8U
Authority: CN
Inventors: 王敏强; 林勇; 赵剑; 江清亮
Original assignee: Ningxia Furui Silane Material Co ltd
Current assignee: Ningxia Furui Silane Material Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-26
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a cold heat exchanger of circulation energy-conserving relates to the chemical production field. This cold heat exchanger of circulation energy-conserving, including heat exchanger main part, wet dust remover, the inside of heat exchanger main part is the cavity structure, the inside top of heat exchanger main part is provided with the reposition of redundant personnel and advances the pipe, the interior bottom of heat exchanger main part is provided with the reposition of redundant personnel outlet pipe, the inside of heat exchanger main part is provided with first pipeline, second pipeline, third pipeline. The high-temperature hydrogen chloride synthesis gas (200-250 ℃) after air cooling enters a tube pass of a cold-heat exchanger and then enters a wet dust collector running at low temperature (-22 ℃), and the hydrogen chloride cold gas (20 ℃) at a wet dust collection outlet returns to enter a cavity of the cold-heat exchanger for heat exchange, so that cooling water is not required to be consumed in the process, energy consumption is saved, the temperature of the gas discharged from the system is increased, and the reaction of the system is facilitated.

Description

Circulation energy-saving cold-heat exchanger

Technical Field

The utility model relates to a chemical production field especially relates to a cold heat exchanger of circulation energy-conservation.

Background

With the continuous development of the society at present, the chemical industry has become an important industrial field in the society. The technology of changing the composition and structure of substances or synthesizing new substances by chemical methods belongs to the chemical production technology, namely the chemical process, and the obtained products are called chemicals or chemical products. The development of chemical industry makes living matters more abundant.

In the production and synthesis of chemical industry, hydrogen chloride synthesis gas is needed to be used in some processing processes, the hydrogen chloride synthesis gas in a high-temperature state usually enters a water cooler after air cooling and then enters a wet dust collector running at a low temperature of (-20 ℃), and the gas at a wet dust collection outlet enters a synthesis furnace at a temperature of (-10 ℃), so that the cooling water circulation quantity is needed to be consumed, and the use of the system after the gas at the wet dust collection outlet is influenced due to too low temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a circulating energy-saving cold-heat exchanger.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a circulating energy-saving cold-heat exchanger comprises a heat exchanger main body and a wet dust collector, wherein the interior of the heat exchanger main body is of a cavity structure, a shunting inlet pipe is arranged at the top of the interior of the heat exchanger main body, a shunting outlet pipe is arranged at the bottom of the interior of the heat exchanger main body, a first pipeline, a second pipeline and a third pipeline are arranged in the heat exchanger main body, and two ends of the first pipeline, the second pipeline and the third pipeline are respectively communicated with the shunting inlet pipe and the shunting outlet pipe;

a second row of ports are formed on the outer side wall of the heat exchanger main body and close to the bottom of the heat exchanger main body, and the second row of ports are connected with an input port of the wet dust collector through a pipeline;

the lateral wall of heat exchanger main part just is located one side of second row mouth and has seted up the backward flow mouth, the backward flow mouth links to each other with wet dust remover's delivery outlet.

As a further description of the above technical solution:

the top of the heat exchanger main body is provided with a synthesis gas inlet which is communicated with an input port of the split inlet pipe.

As a further description of the above technical solution:

the outer side wall of the heat exchanger body is close to the top, and a first outlet is formed in the outer side wall of the heat exchanger body and is connected with a rear system.

As a further description of the above technical solution:

the output end of the branched flow pipe is communicated with the second discharge port.

As a further description of the above technical solution:

and branch pipes connected with the first pipeline, the second pipeline and the third pipeline are provided with control valves.

As a further description of the above technical solution:

the first pipeline and the second pipeline are of curved pipe structures, the third pipeline is of a straight pipe structure, and the pipe length of the first pipeline is larger than that of the second pipeline.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the circulating energy-saving cold-heat exchanger is provided with the original gas cooler cooled by circulating water, high-temperature hydrogen chloride synthesis gas (200-250 ℃) after air cooling enters the tube side of the cold-heat exchanger and then enters the wet dust collector running at the low temperature of (-22 ℃), and hydrogen chloride cold gas (20 ℃) at the wet dust collection outlet returns to the cavity of the cold-heat exchanger for heat exchange, so that cooling water is not consumed in the process, energy consumption is saved, the temperature of gas discharged from the system is increased, and the heat exchange is beneficial to the reaction of a post system.

2. Compared with the prior art, the circulating energy-saving cold-heat exchanger can realize the contact area in the heat exchange process through the first pipeline, the second pipeline and the third pipeline which are arranged, so that the temperature of gas discharged into a subsequent system can be adjusted, and the using effect of the heat exchanger is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a circulation energy-saving cold-heat exchanger according to the present invention;

fig. 2 is a schematic view of a first pipeline structure of a circulation energy-saving cold-heat exchanger according to the present invention;

fig. 3 is a schematic diagram of a second pipeline structure of the circulation energy-saving cold-heat exchanger according to the present invention;

fig. 4 is a schematic view of a third pipeline structure of the circulating energy-saving cold-heat exchanger according to the present invention.

Illustration of the drawings:

1. a heat exchanger main body; 2. a wet dust collector; 3. a syngas inlet; 4. a first row of ports; 5. a second row of ports; 6. a return port; 7. a shunt inlet pipe; 8. a first pipeline; 9. a second pipeline; 10. a third pipeline; 11. the flow is branched off the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, the present invention provides a circulation energy-saving cold-heat exchanger: the heat exchanger comprises a heat exchanger main body 1 and a wet dust collector 2, wherein a traditional water cooler is removed, the interior of the heat exchanger main body 1 is of a cavity structure to form a chamber for exchanging heat, a shunting inlet pipe 7 is arranged at the top of the interior of the heat exchanger main body 1, so that the shunting effect after gas is introduced is facilitated, and the effect of selecting a working pipeline is realized, a shunting outlet pipe 11 is arranged at the inner bottom of the heat exchanger main body 1 and is matched with the shunting inlet pipe 7, a first pipeline 8, a second pipeline 9 and a third pipeline 10 are arranged in the heat exchanger main body 1, two ends of the first pipeline 8, the second pipeline 9 and the third pipeline 10 are respectively communicated with the shunting inlet pipe 7 and the shunting outlet pipe 11, the first pipeline 8 and the second pipeline 9 are of a bent pipe structure, the third pipeline 10 is of a straight pipe structure, the pipe length of the first pipeline 8 is longer than that of the second pipeline 9, and the three pipelines are different in length, the exchange areas formed during heat exchange are different, so that the selection of the contact area during heat exchange is changed, and the branch pipes of the branch inlet pipe 7, which are connected with the first pipeline 8, the second pipeline 9 and the third pipeline 10 are all provided with control valves, so that the work opening of the first pipeline 8, the second pipeline 9 and the third pipeline 10 is controlled conveniently, and the function of selection is realized.

The outer side wall of the heat exchanger body 1 is provided with a second discharge port 5 close to the bottom, the second discharge port 5 is connected with the input port of the wet dust collector 2 through a pipeline, and synthesis gas can be directly conveyed to the wet dust collector 2 conveniently

The lateral wall of heat exchanger main part 1 just is located one side of second row mouth 5 and has seted up backward flow mouth 6, and backward flow mouth 6 links to each other with wet dust remover 2's delivery outlet, is convenient for realize the gaseous backward flow to heat exchanger main part 1's inside through the cooling of wet dust remover 2 to carry out the heat exchange, heat up gas.

The top of the heat exchanger main body 1 is provided with a synthesis gas inlet 3, the synthesis gas inlet 3 is communicated with an input port of the split inlet pipe 7, so that the synthesis gas can be conveniently introduced, and a good conveying effect is realized.

First outlet 4 has been seted up just near the top to the lateral wall of heat exchanger main part 1, and first outlet 4 links to each other with the back system, and the gas through the heat exchange is carried to the back system again in, and follow-up processing provides convenience, and the output that divides outflow pipe 11 is linked together with second outlet 5, and the synthetic gas of being convenient for directly carries to the inside of wet dust remover 2.

The working principle is as follows: when in use, high-temperature hydrogen chloride gas is introduced into the heat exchanger main body 1 from the synthesis gas inlet 3, then a control valve on a branch pipe of the shunt inlet pipe 7 is selectively opened to enable the branch pipe to work with a first pipeline 8 or a second pipeline 9 corresponding to the control valve and a third pipeline 10, then the gas is conveyed to the shunt outlet pipe 11, the shunt outlet pipe 11 directly conveys the high-temperature gas into the wet dust collector 2 working at low temperature, the wet dust collector 2 cools the gas, then the cooled hydrogen chloride synthesis gas is conveyed into the shell pass of the heat exchanger main body 1 from the return port 6, at the moment, the cooling gas entering the heat exchanger main body 1 realizes heat exchange with the pipelines participating in the work, the cooled low-temperature gas is further heated, and the first pipeline 8, the second pipeline 9 and the third pipeline 10 in different working states can change the area of the heat exchange, the final gas is then conveyed from the first outlet 4 to a post-system for processing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A circulation energy-saving cold and heat exchanger comprises a heat exchanger main body (1) and a wet dust collector (2), and is characterized in that: the heat exchanger is characterized in that the interior of the heat exchanger main body (1) is of a cavity structure, a shunt inlet pipe (7) is arranged at the top of the interior of the heat exchanger main body (1), a shunt outlet pipe (11) is arranged at the bottom of the interior of the heat exchanger main body (1), a first pipeline (8), a second pipeline (9) and a third pipeline (10) are arranged in the heat exchanger main body (1), and two ends of the first pipeline (8), the second pipeline (9) and the third pipeline (10) are respectively communicated with the shunt inlet pipe (7) and the shunt outlet pipe (11);

a second discharge port (5) is formed in the outer side wall of the heat exchanger main body (1) and is close to the bottom, and the second discharge port (5) is connected with an input port of the wet dust collector (2) through a pipeline;

the lateral wall of heat exchanger main part (1) just is located one side of second row mouth (5) and has seted up backward flow mouth (6), backward flow mouth (6) link to each other with the delivery outlet of wet dust remover (2).

2. A cycle energy saving cold heat exchanger according to claim 1 wherein: the top of the heat exchanger main body (1) is provided with a synthesis gas inlet (3), and the synthesis gas inlet (3) is communicated with an input port of the split inlet pipe (7).

3. A cycle energy saving cold heat exchanger according to claim 1 wherein: the outer side wall of the heat exchanger body (1) is provided with a first row of ports (4) close to the top, and the first row of ports (4) are connected with a rear system.

4. A cycle energy saving cold heat exchanger according to claim 1 wherein: the output end of the branched outflow pipe (11) is communicated with the second discharge port (5).

5. A cycle energy saving cold heat exchanger according to claim 1 wherein: and branch pipes connected with the shunt inlet pipe (7), the first pipeline (8), the second pipeline (9) and the third pipeline (10) are all provided with control valves.

6. A circulating energy saving cold heat exchanger according to any of claims 1-5, wherein: the first pipeline (8) and the second pipeline (9) are of a curved pipe structure, the third pipeline (10) is of a straight pipe structure, and the length of the first pipeline (8) is larger than that of the second pipeline (9).