CN214892753U - Vacuum pump heat recovery device - Google Patents

Vacuum pump heat recovery device Download PDF

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Publication number
CN214892753U
CN214892753U CN202120244044.4U CN202120244044U CN214892753U CN 214892753 U CN214892753 U CN 214892753U CN 202120244044 U CN202120244044 U CN 202120244044U CN 214892753 U CN214892753 U CN 214892753U
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China
Prior art keywords
reaction cylinder
vacuum pump
air inlet
cylinder
air
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Application number
CN202120244044.4U
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Chinese (zh)
Inventor
张倩
辛守帅
任景乐
吕良鹏
祝贵华
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QINGDAO INSTITUTE OF ANIMAL HUSBANDRY AND VETERINARY MEDICINE
Original Assignee
QINGDAO INSTITUTE OF ANIMAL HUSBANDRY AND VETERINARY MEDICINE
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Abstract

The utility model discloses a heat recovery device of a vacuum pump, which comprises a reaction cylinder, an air inlet cover, an exhaust cover and a circulating pipe; the reaction cylinder is a cylinder with two sealed ends, a water inlet hole is formed in the side wall of the reaction cylinder, which is close to the bottom end of the reaction cylinder, and a water outlet hole is formed in the side wall of the reaction cylinder, which is close to the top end of the reaction cylinder; the air inlet cover is fixedly connected with the top end of the reaction cylinder and forms an upper air cavity, and the top end of the air inlet cover is provided with an air inlet; the exhaust hood is fixedly connected with the bottom end of the reaction cylinder, a lower air cavity is formed, and an air outlet hole is formed in the bottom end of the exhaust hood; the quantity of runner pipe is a plurality of, and the runner pipe runs through the both ends of reaction cylinder from top to bottom, and the both ends of runner pipe communicate with upper air cavity and lower air cavity respectively. High temperature waste gas is connected to the inlet port, and the venthole is used for exhausting, and the water inlet is used for intaking, and the wash port is used for the drainage, and the heat transfer in the high temperature waste gas is to the aquatic, has realized thermal recovery in the waste gas, and waste gas process the device simultaneously, hydroenergy absorbing part noise reaches the effect of noise reduction.

Description

Vacuum pump heat recovery device
Technical Field
The utility model relates to a heat recovery technical field, more specifically the utility model relates to a vacuum pump heat recovery unit that says so.
Background
The vacuum pump is the necessary equipment in various scale dairy farms or milking stations, and the exhaust gas discharged by the vacuum pump has high temperature and great noise, thus seriously affecting the surrounding environment. Meanwhile, a large amount of hot water is needed for cleaning milking equipment and the like, and the production of hot water by using a boiler or electric heating not only needs a large amount of financial resources, material resources and manpower, but also can pollute the environment. The vacuum pump is when evacuation, and the air is compressed relatively, and the temperature risees to and vacuum pump acting etc. all will produce a large amount of heats, and the exhaust gas temperature that the vacuum pump discharged is generally between 70 ~ 90 ℃ to the form of high temperature waste gas is discharged to outdoor, and produces great noise.
Therefore, it is an urgent need to solve the problem of providing a heat recovery device for a vacuum pump, which can recover heat and reduce noise.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a vacuum pump heat reclamation device aims at solving above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat recovery device of a vacuum pump comprises a reaction cylinder, an air inlet cover, an exhaust cover and a circulating pipe;
the reaction cylinder is a cylinder with two sealed ends, a water inlet hole is formed in the side wall of the reaction cylinder, which is close to the bottom end of the reaction cylinder, and a water outlet hole is formed in the side wall of the reaction cylinder, which is close to the top end of the reaction cylinder;
the air inlet cover is fixedly connected with the top end of the reaction cylinder and forms an upper air cavity, and an air inlet hole is formed in the top end of the air inlet cover;
the exhaust hood is fixedly connected with the bottom end of the reaction cylinder, a lower air cavity is formed, and an air outlet hole is formed in the bottom end of the exhaust hood;
the number of the circulation pipes is multiple, the circulation pipes penetrate through two ends of the reaction cylinder from top to bottom, and two ends of the circulation pipes are respectively communicated with the upper air cavity and the lower air cavity.
The beneficial effects of the utility model are that, high temperature waste gas is connected to the inlet port, and the venthole is used for exhausting, and the water inlet is used for intaking, and the wash port is used for the drainage, and the heat transfer in the high temperature waste gas is to the aquatic, has realized thermal recovery in the waste gas, and waste gas is through the device simultaneously, and hydroenergy partial noise absorption reaches the effect of noise reduction.
Preferably, the air inlet is connected with the outlet of the vacuum pump through an air inlet pipeline. The beneficial effect of adopting above-mentioned technical scheme is: when the vacuum pump works, a large amount of heat is generated, the exhaust temperature is 90-100 ℃ when the vacuum pump normally works, the temperature is high, and more heat can be absorbed and utilized.
Preferably, the air outlet hole is connected with an air outlet pipeline, and a silencer is arranged on the air outlet pipeline. Adopt above-mentioned technical scheme's beneficial effect is, the vacuum pump can produce a large amount of noises, adds the muffler, and further less noise.
Preferably, the number of the flow-through pipes is multiple, and the multiple flow-through pipes are uniformly distributed at intervals. The beneficial effects of adopting above-mentioned technical scheme are that, a plurality of runner pipes make waste gas and water business turn over area bigger, and the effect of heating water is better.
Preferably, the distances from the upper ends of the plurality of flow tubes to the top end of the reaction cylinder are different, and the distances from the lower ends of the plurality of flow tubes to the bottom end of the reaction cylinder are different. The beneficial effects of adopting above-mentioned technical scheme are that, change exhaust frequency, the exhaust noise reduces by a wide margin, and in addition water in the reaction cylinder absorbs the exhaust vibration energy, reduces the noise by a wide margin, reaches the purpose of making an uproar that falls.
Compared with the prior art, the utility model discloses a heat recovery device for vacuum pump, which has the following advantages,
(1) the invention has the advantages of low manufacturing cost, high return on investment and high efficiency, and belongs to one-time investment long-term use.
(2) Energy conservation: under the condition of no extra energy consumption, the waste heat discharged in the vacuumizing process is used as energy to heat hot water, the temperature of the hot water can reach 50-70 ℃, and the consumption of disposable energy for heating the water is avoided;
(3) and (3) environmental protection: the unorganized emission of waste heat is avoided, and the urban heat island effect is reduced; a boiler is not required to be arranged, so that the environmental pollution caused by a large amount of smoke discharged by the combustion boiler is avoided; because the exhaust noise of the vacuum pump is absorbed by the water in the heat exchanger, the noise is prevented from being directly released to the surrounding environment when the vacuum pump works, and the noise pollution is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a vertical sectional view of a heat recovery device of a vacuum pump according to the present invention;
FIG. 2 is a schematic diagram of an external structure of a heat recovery device of a vacuum pump according to the present invention;
figure 3 accompanying drawing the utility model provides a horizontal direction cross-sectional view of a vacuum pump heat recovery device.
Wherein:
1-a reaction cylinder;
11-water inlet holes;
12-water outlet;
2-an air inlet hood;
21-upper air cavity;
22-an air intake;
3-an exhaust hood;
31-a lower air cavity;
32-air outlet holes;
4-a flow-through tube;
5-an air inlet pipeline;
6-a vacuum pump;
7-an air outlet pipeline;
8-silencer.
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.
Referring to the attached drawings 1-3, the embodiment of the utility model discloses a heat recovery device of a vacuum pump, which comprises a reaction cylinder 1, an air inlet hood 2, an exhaust hood 3 and a circulating pipe 4;
the reaction cylinder 1 is a cylinder with two sealed ends, a water inlet hole 11 is formed in the side wall of the reaction cylinder 1 and close to the bottom end of the reaction cylinder 1, and a water outlet hole 12 is formed in the side wall of the reaction cylinder 1 and close to the top end of the reaction cylinder 1;
the air inlet cover 2 is fixedly connected with the top end of the reaction cylinder 1 and forms an upper air cavity 21, and an air inlet 22 is formed in the top end of the air inlet cover 2;
the exhaust hood 3 is fixedly connected with the bottom end of the reaction cylinder 1, a lower air cavity 31 is formed, and the bottom end of the exhaust hood 3 is provided with an air outlet 32;
the number of the circulation pipes 4 is multiple, the circulation pipes 4 vertically penetrate through two ends of the reaction cylinder 1, and two ends of the circulation pipes 4 are respectively communicated with the upper air cavity 21 and the lower air cavity 31.
In order to further optimize the above solution, the air inlet 22 is connected to the outlet of the vacuum pump 6 through the air inlet pipe 5.
In order to further optimize the technical scheme, the air outlet hole 32 is connected with the air outlet pipeline 7, and the silencer 8 is arranged on the air outlet pipeline 7.
In order to further optimize the above solution, a plurality of flow tubes 4 are evenly spaced.
In order to further optimize the technical scheme, the distances from the upper ends of the plurality of circulation pipes 4 to the top end of the reaction cylinder 1 are different, and the distances from the lower ends of the plurality of circulation pipes 4 to the bottom end of the reaction cylinder 1 are different.
The utility model discloses a use method does:
when the vacuum pump normally works, the exhaust of the vacuum pump enters the upper air cavity through the air inlet, enters the lower air cavity through the circulating pipe and is discharged outdoors through the air outlet. The water in the reaction cylinder flows through the reaction cylinder through the water inlet and is discharged from the water outlet.
The water in the reaction cylinder is heated from top to bottom, and the water temperature in the reaction cylinder is gradually reduced from top to bottom, and the hot water moves upwards according to the natural law, so that the hot water in the reaction cylinder is difficult to exchange from top to bottom.
According to actual measurement, the reaction cylinder is filled with about 300 kg of water once, and the water outlet temperature of the reaction cylinder can reach 60-90 ℃. The heat recovery efficiency is improved to more than 70%, and the noise is reduced by more than 80%.
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 device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
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 invention. 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 (4)

1. The vacuum pump heat recovery device is characterized by comprising a reaction cylinder (1), an air inlet hood (2), an exhaust hood (3) and a circulating pipe (4);
the reaction cylinder (1) is a cylinder with two sealed ends, a water inlet hole (11) is formed in the side wall of the reaction cylinder (1) and close to the bottom end of the reaction cylinder (1), and a water outlet hole (12) is formed in the side wall of the reaction cylinder (1) and close to the top end of the reaction cylinder (1);
the air inlet cover (2) is fixedly connected with the top end of the reaction cylinder (1) to form an upper air cavity (21), and an air inlet hole (22) is formed in the top end of the air inlet cover (2);
the exhaust hood (3) is fixedly connected with the bottom end of the reaction cylinder (1) to form a lower air cavity (31), and the bottom end of the exhaust hood (3) is provided with an air outlet (32); the air outlet hole (32) is connected with an air outlet pipeline (7), and a silencer (8) is arranged on the air outlet pipeline (7);
the number of the circulation pipes (4) is multiple, the circulation pipes (4) penetrate through two ends of the reaction cylinder (1) up and down, and two ends of the circulation pipes (4) are respectively communicated with the upper air cavity (21) and the lower air cavity (31).
2. A vacuum pump heat recovery device according to claim 1, characterized in that the air inlet (22) is connected to the outlet of the vacuum pump (6) via an air inlet line (5).
3. A vacuum pump heat recovery device according to any of claims 1-2, characterized in that a plurality of said flow-through tubes (4) are evenly spaced.
4. A vacuum pump heat recovery device according to claim 3, wherein the upper ends of the plurality of flow tubes (4) are at different distances from the top end of the reaction cylinder (1), and the lower ends of the plurality of flow tubes (4) are at different distances from the bottom end of the reaction cylinder (1).
CN202120244044.4U 2021-01-28 2021-01-28 Vacuum pump heat recovery device Active CN214892753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120244044.4U CN214892753U (en) 2021-01-28 2021-01-28 Vacuum pump heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120244044.4U CN214892753U (en) 2021-01-28 2021-01-28 Vacuum pump heat recovery device

Publications (1)

Publication Number Publication Date
CN214892753U true CN214892753U (en) 2021-11-26

Family

ID=78860118

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120244044.4U Active CN214892753U (en) 2021-01-28 2021-01-28 Vacuum pump heat recovery device

Country Status (1)

Country Link
CN (1) CN214892753U (en)

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