CN221223485U - Overhead waste heat recovery device - Google Patents

Overhead waste heat recovery device Download PDF

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Publication number
CN221223485U
CN221223485U CN202322771296.4U CN202322771296U CN221223485U CN 221223485 U CN221223485 U CN 221223485U CN 202322771296 U CN202322771296 U CN 202322771296U CN 221223485 U CN221223485 U CN 221223485U
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China
Prior art keywords
delivery pipe
steam delivery
steam
pipe
filter
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CN202322771296.4U
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Chinese (zh)
Inventor
沈劲贤
冯力
陈科裕
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Zhejiang Great Chemical Science And Technology Co ltd
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Zhejiang Great Chemical Science And Technology Co ltd
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Abstract

The utility model provides a tower top waste heat recovery device which comprises a tower body, a first steam conveying pipe, a filtering device, a second steam conveying pipe, a heating device, a third steam conveying pipe, a discharging device and a fourth steam conveying pipe, wherein the top end of the tower body is connected with the first steam conveying pipe, one end of the first steam conveying pipe, which is far away from the tower body, is connected with the filtering device, the top of the filtering device is connected with the second steam conveying pipe, one end of the second steam conveying pipe, which is far away from the filtering device, is connected with the heating device, the bottom of the heating device is connected with the third steam conveying pipe, and one end of the third steam conveying pipe, which is far away from the heating device, is connected with the discharging device.

Description

Overhead waste heat recovery device
Technical Field
The utility model relates to the technical field of waste heat recovery, in particular to a tower top waste heat recovery device.
Background
The tower is the most widely used equipment in chemical production, and the tower provides the opportunity that gas-liquid two-phase fully contacted, makes mass transfer, heat transfer process can be fast effective go on, can also make the gas-liquid two-phase after the contact separate each other in time and not carry each other, therefore, chemical industry tower can produce a large amount of high temperature flue gas in processing production process, and most concentrate on the top of the tower, these high temperature flue gas, if not using, not only cause the energy waste, can cause environmental pollution moreover, consequently need a device that can filter the recovery to the high temperature flue gas that produces in the chemical industry tower production process, carry out a cyclic utilization.
For solving the problem that proposes among the above-mentioned background art, CN202221998207.9 has proposed a tower top waste heat recovery device, can give cold air with the heat radiation through setting up the heat conduction layer well, nanometer blackbody reinforcing heat dissipation coating has higher emissivity, dispels the heat through self infrared radiant heat and emission infrared band for with the inside temperature conduction of heat transfer pipe and give off, can give off the heat fast, improved heat exchange efficiency, but this structure still has following not enough:
1. Although the heat conduction layer and the nano black body enhanced heat dissipation coating are arranged in the structure, heat can be rapidly dissipated, but the heat cannot be stored when hot air is not needed, so that a large amount of heat loss is avoided;
2. High-temperature flue gas generated in the production process of the chemical tower is often mixed with some impurities, is easy to adsorb on the inner wall of the steam conveying pipe to cause blockage, is inconvenient to clean, and influences gas recycling.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a tower top waste heat recovery device, wherein a discharge device is additionally arranged, a gas storage tank is arranged in the discharge device, so that not only can heat gas be stored, but also impurities and moisture in the gas can be precipitated, and impurities in high-temperature flue gas generated in the production process of a chemical tower can be filtered by adding a filtering device, so that the phenomenon that the impurities are adhered to the inner wall of a steam conveying pipe to cause blockage is avoided, and the conversion efficiency of steam heat is improved.
In order to achieve the above purpose, the utility model provides a tower top waste heat recovery device, which comprises a tower body, a first steam conveying pipe, a filtering device, a second steam conveying pipe, a heating device, a third steam conveying pipe, a discharging device and a fourth steam conveying pipe, wherein the top end of the tower body is connected with the first steam conveying pipe, one end of the first steam conveying pipe far away from the tower body is connected with the filtering device, the top of the filtering device is connected with the second steam conveying pipe, one end of the second steam conveying pipe far away from the filtering device is connected with the heating device, the bottom of the heating device is connected with the third steam conveying pipe, one end of the third steam conveying pipe far away from the heating device is connected with the discharging device, the bottom of the discharging device is connected with the fourth steam conveying pipe, and one end of the fourth steam conveying pipe far away from the discharging device is connected with one side of the tower body.
Preferably, the first valve is installed at one end, close to the filtering device, of the outer side of the second steam conveying pipe, the second valve is installed at one end, close to the tower body, of the outer side of the fourth steam conveying pipe, and the first valve and the second valve are detachably installed.
Preferably, the filter device comprises a filter cover and a filter screen, wherein the filter cover is arranged at the lower end of the inside of the filter device, the filter screen is arranged at the upper end of the inside of the filter device, and the inside of the filter screen is of a net-shaped structure.
Preferably, the heating device comprises an electric heating pipe, heat conducting wires and a partition plate, wherein the electric heating pipe is connected with an external power supply, the electric heating pipe is arranged in the heating device and is provided with a plurality of heat conducting wires, and the partition plate is arranged between the electric heating pipes.
Preferably, the discharging device is internally provided with a gas storage tank, the top of the gas storage tank is provided with a gas inlet, the gas inlet is communicated with the third steam conveying pipe, the bottom of the gas storage tank is provided with a gas outlet, and the gas outlet is communicated with the fourth steam conveying pipe.
Preferably, an exhaust port is further formed in one side of the air storage tank, and an exhaust pipe is connected to the exhaust port.
The utility model has the beneficial effects that: according to the utility model, the exhaust device is arranged, the air storage tank is arranged in the exhaust device, heat gas can be stored, impurities and moisture in the gas can be precipitated, the exhaust hole is formed in one side of the air storage tank, so that the heat of steam can be conveniently and well utilized to perform a heating effect on a water source which needs to be heated outside, the steam utilization rate is improved, impurities in high-temperature flue gas generated in the production process of a chemical tower can be filtered through double-layer filtration of the filter cover and the filter screen, the impurities are prevented from adhering to the inner wall of the steam conveying pipe to cause blockage, the conversion efficiency of the steam heat is improved, the electric heating pipe, the heat conducting wire and the partition plate are arranged to be matched for use, the recycled steam can be subjected to a heating effect, and the partition plate can be used for guiding the steam entering the heating device, so that the time of the steam staying in the heating device can be increased, and the steam can be fully heated to be conveniently and recycled.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the structure of an overhead heat recovery apparatus of the present utility model;
FIG. 2 is an enlarged view of a filtration device of the overhead heat recovery device of the present utility model;
FIG. 3 is a schematic diagram of a heating device of the tower top waste heat recovery device of the present utility model;
FIG. 4 is a schematic diagram of the structure of a discharge device of the overhead heat recovery device of the present utility model;
In the figure: the device comprises a 1-tower body, a 2-first steam delivery pipe, a 3-filtering device, a 31-filtering cover, a 32-filtering screen, a 4-second steam delivery pipe, a 5-heating device, a 51-electric heating pipe, a 52-heat conducting wire, a 53-partition plate, a 6-third steam delivery pipe, a 7-discharging device, a 71-air storage tank, a 711-air inlet, a 712-air outlet, a 713-air outlet, a 714-air outlet pipe, an 8-fourth steam delivery pipe, a 9-first valve and a 10-second valve.
Detailed Description
Referring to fig. 1, the device for recovering waste heat at the top of a tower according to the present utility model comprises a tower body 1, a first steam delivery pipe 2, a filtering device 3, a second steam delivery pipe 4, a heating device 5, a third steam delivery pipe 6, a discharging device 7, and a fourth steam delivery pipe 8, wherein the top end of the tower body 1 is connected with the first steam delivery pipe 2, one end of the first steam delivery pipe 2 away from the tower body 1 is connected with the filtering device 3, the top of the filtering device 3 is connected with the second steam delivery pipe 4, one end of the second steam delivery pipe 4 away from the filtering device 3 is connected with the heating device 5, the bottom of the heating device 5 is connected with the third steam delivery pipe 6, one end of the third steam delivery pipe 6 away from the heating device 5 is connected with the discharging device 7, the bottom of the discharging device 7 is connected with the fourth steam delivery pipe 8, one end of the fourth steam delivery pipe 8 away from the discharging device 7 is connected with one side of the tower body 1, one end of the second steam delivery pipe 4, which is close to the filtering device 3, one end, which is close to the filtering device 3, is connected with the first valve 9, one end, which is close to the first valve 10, and the first valve 10, which is detachable from the first valve 10 is installed.
Referring to fig. 2, the device for recovering waste heat at the top of a tower according to the present utility model, the filtering device 3 includes a filtering cover 31 and a filtering net 32, the filtering cover 31 is installed at the lower end of the inside of the filtering device 3, the filtering net 32 is installed at the upper end of the inside of the filtering device 3, and the inside of the filtering net 32 is in a net structure.
Referring to fig. 3, the heating device 5 of the present utility model comprises an electric heating tube 51, heat conducting wires 52 and a partition plate 53, wherein the electric heating tube 51 is connected with an external power source, the electric heating tube 51 is installed inside the heating device 5 and has a plurality of heat conducting wires 52 inside the electric heating tube 51, and the partition plate 53 is installed between the electric heating tubes 51.
Referring to fig. 4, in the device for recovering waste heat at the top of a tower, a gas storage tank 71 is installed in the discharging device 7, a gas inlet 711 is provided at the top of the gas storage tank 71, the gas inlet 711 is communicated with a third steam delivery pipe 6, a gas outlet 712 is provided at the bottom of the gas storage tank 71, the gas outlet 712 is communicated with a fourth steam delivery pipe 8, a gas outlet 713 is further provided at one side of the gas storage tank 71, and a gas exhaust pipe 714 is connected to the gas outlet 713.
The working process of the utility model comprises the following steps:
In the working process of the tower top waste heat recovery device, firstly, the first steam conveying pipe 2 is connected with the air outlet at the top of the tower body 1, then the electric heating pipe 51 is electrically connected with an external power supply, then the first valve 9 is opened, the rising steam in the tower body 1 firstly enters the filtering device 3 through the first steam conveying pipe 2, the filtering cover 31 and the filtering screen 32 are subjected to double-layer filtering, the phenomenon that impurities adhere to the inner wall of the first steam conveying pipe 2 to cause blockage is avoided, then the steam is introduced into the heating device 5 through the second steam conveying pipe 4, the steam introduced into the heating device 5 can be heated at low temperature under the action of the electric heating pipe 51 and the heat conducting wire 52, the baffle 53 can guide the steam entering the heating device 5, so that the time of the steam staying in the heating device 5 can be prolonged, the steam after the heating is accomplished is passed through third steam delivery pipe 6 and is let in the air inlet 711 at gas holder 71 top and thereby enter into gas holder 71 inside, gas holder 71 not only can store the thermal gas, impurity and moisture in the gas can also be precipitated, exhaust hole 713 has been seted up to gas holder 71 one side, when needs heat external water source, let in blast pipe 714 with steam through exhaust hole 713, thereby improve the utilization ratio of steam, gas outlet 712 has been seted up to the bottom of gas holder 71, and gas outlet 712 and fourth steam delivery pipe 8 intercommunication, when needs heat the inside tower 1, thereby steam can enter into the tower 1 inside through fourth steam delivery pipe 8, thereby play a cyclic action, this structure not only can the energy saving carry out cyclic utilization, but also protected the environment.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (6)

1. The utility model provides a tower top waste heat recovery device which characterized in that: including tower body (1), first steam delivery pipe (2), filter equipment (3), second steam delivery pipe (4), heating device (5), third steam delivery pipe (6), discharging equipment (7), fourth steam delivery pipe (8), the top of tower body (1) is connected with first steam delivery pipe (2), the one end that tower body (1) was kept away from to first steam delivery pipe (2) is connected with filter equipment (3), the top of filter equipment (3) is connected with second steam delivery pipe (4), the one end that filter equipment (3) was kept away from to second steam delivery pipe (4) is connected with heating device (5), the bottom of heating device (5) is connected with third steam delivery pipe (6), the one end that heating device (5) was kept away from to third steam delivery pipe (6) is connected with discharging equipment (7), the bottom of discharging equipment (7) is connected with fourth steam delivery pipe (8), the one end that discharging equipment (7) was kept away from to fourth steam delivery pipe (8) is connected with one side of tower body (1).
2. An overhead heat recovery unit according to claim 1, wherein: the outside of second steam delivery pipe (4) is close to one end of filter equipment (3) and installs first valve (9), the outside of fourth steam delivery pipe (8) is close to one end of tower body (1) and installs second valve (10), first valve (9) and second valve (10) are demountable installation.
3. An overhead heat recovery unit according to claim 1, wherein: the filter device is characterized in that the filter device (3) comprises a filter cover (31) and a filter screen (32), the filter cover (31) is arranged at the lower end of the inside of the filter device (3), the filter screen (32) is arranged at the upper end of the inside of the filter device (3), and the inside of the filter screen (32) is of a net-shaped structure.
4. An overhead heat recovery unit according to claim 1, wherein: the heating device (5) comprises an electric heating pipe (51), heat conducting wires (52) and a partition plate (53), wherein the electric heating pipe (51) is connected with an external power supply, the electric heating pipe (51) is arranged in the heating device (5) and is provided with a plurality of heat conducting wires (52), and the partition plate (53) is arranged between the electric heating pipes (51).
5. An overhead heat recovery unit according to claim 1, wherein: the air storage device is characterized in that an air storage tank (71) is arranged in the exhaust device (7), an air inlet (711) is formed in the top of the air storage tank (71), the air inlet (711) is communicated with a third steam conveying pipe (6), an air outlet (712) is formed in the bottom of the air storage tank (71), and the air outlet (712) is communicated with a fourth steam conveying pipe (8).
6. An overhead heat recovery assembly according to claim 5, wherein: an exhaust port (713) is further formed in one side of the air storage tank (71), and an exhaust pipe (714) is connected to the exhaust port (713).
CN202322771296.4U 2023-10-12 2023-10-12 Overhead waste heat recovery device Active CN221223485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322771296.4U CN221223485U (en) 2023-10-12 2023-10-12 Overhead waste heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322771296.4U CN221223485U (en) 2023-10-12 2023-10-12 Overhead waste heat recovery device

Publications (1)

Publication Number Publication Date
CN221223485U true CN221223485U (en) 2024-06-25

Family

ID=91544375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322771296.4U Active CN221223485U (en) 2023-10-12 2023-10-12 Overhead waste heat recovery device

Country Status (1)

Country Link
CN (1) CN221223485U (en)

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