CN211847720U - A heat exchanger for aerobic fermentation tank of livestock and poultry manure - Google Patents

Abstract

The utility model discloses a heat exchanger for a livestock and poultry manure aerobic fermentation tank, which comprises a main shell, an upper cover, a partition plate and a lower shell, wherein the partition plate is respectively welded at the top end and the bottom end of the main shell, the upper cover is arranged at the top end of the main shell, and the lower shell is arranged at the bottom end of the main shell; a waste gas output pipeline is welded at the top end of the upper cover; more than one heat exchange tube is welded between the clapboards at the top end and the bottom end of the main shell; the bottom of the lower shell is provided with 4 small upright posts for supporting, and the upper end of the lower shell is inwards concaved into a funnel shape and is hollow; the main shell is taken as a main visual angle and is divided into four directions, namely a front direction, a rear direction, a left direction and a right direction, a tank power chamber gas access pipeline is welded below the front part of the side wall of the main shell, and an access power chamber fan supply pipeline is welded above the rear part of the side wall of the main shell; the top of the tank is welded with a hot gas access pipeline. The heat exchanger of the utility model can provide heat for continuing fermentation by using the waste gas heat generated after fermentation, thereby changing waste into valuable and saving energy.

Description

A heat exchanger for aerobic fermentation tank of livestock and poultry manure

technical field

The utility model belongs to the technical field of agricultural machinery, in particular to a heat exchanger for an aerobic fermentation tank of livestock and poultry manure.

Background technique

The aerobic fermentation of livestock and poultry manure belongs to biological fermentation. In the fermentation process, in order to allow the enzymes combined with high temperature bacteria to reproduce and ferment, oxygen at a suitable temperature needs to be introduced into the livestock and poultry manure fermentation tank. The energy consumption cost of the entire fermentation tank equipment accounts for about 20% of the total production cost, so the task of energy saving and emission reduction is relatively heavy. At present, the sterilization of fermentation medium, the waste heat generated by the fermentation process, and the heat generated by the fermentation power room (turbine air pump, motor, hydraulic mechanism, etc.) have not been effectively recycled in the fermentation tanks of many domestic enterprises, resulting in extreme energy resources. Big waste.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a heat exchanger for an aerobic fermentation tank of livestock and poultry manure, which can make full use of the waste heat generated in the fermentation process of the fermentation tank and the heat generated by the power room, turn waste into treasure and save energy.

The utility model is achieved through the following technical solutions:

A heat exchanger for an aerobic fermentation tank of livestock and poultry manure, comprising a main shell, an upper cover, a partition plate and a lower shell, wherein the partition plate is welded to the top and bottom ends of the main shell respectively, and the upper cover is provided with at the top end of the main shell, the lower shell is arranged at the bottom end of the main shell;

The upper cover is in the shape of a truncated cone, the top of which is welded with an exhaust gas output pipe;

The main shell is cylindrical, and more than one heat exchange tube is welded between the top and bottom baffles;

The lower shell is cylindrical, the bottom of which is provided with 4 small uprights for support, the upper end of which is concave into a funnel shape, and the interior is hollow;

Taking the main shell as the main perspective, it is divided into four directions: front, rear, left and right. The tank power room gas inlet pipe is welded under the side front of the main shell, and the power room supply pipe is welded above the side rear of the main shell. Fan pipeline; a tank top hot gas access pipeline is welded above the right part of the side surface of the lower shell.

Preferably, the main casing and the upper cover and between the main casing and the lower casing are all fixedly connected by flanges.

Preferably, the flange is provided with 20 evenly distributed holes with a diameter of 14 mm.

Preferably, 121 through holes with a diameter of 38 mm are provided on the partition, each longitudinal row of holes is in a linear array, the holes between every two rows are arranged in a staggered arrangement, and the number of the heat exchange tubes is 121, which is the same as that of all the heat exchange tubes. The through hole corresponds to.

Preferably, the heat exchange tube is made of aluminum, the interior is hollow, the tube body is large in the middle and the ends are small at both ends, the tube body is wrapped by an aluminum external threaded tube, and the two ends of the tube can be inserted into the through holes on the partition plate respectively. inside the hole and welded with the baffle.

The beneficial effects of the present utility model are as follows:

Compared with the prior art, the heat exchanger for the aerobic fermentation tank of livestock and poultry manure of the present invention makes full use of the heat of waste gas generated after fermentation to provide heat for continued fermentation, turns waste into treasure, and saves energy; the heat exchanger has a simple working principle and a structure. Reasonable, simple in operation, low in manufacturing cost, quick in installation, convenient in maintenance, and beneficial for popularization and application.

Description of drawings

Fig. 1 is the front view of the heat exchanger used for the aerobic fermentation tank of livestock and poultry manure;

Fig. 2 is the left side view of the heat exchanger for the aerobic fermentation tank of livestock and poultry manure;

Fig. 3 is the top view of the aerobic fermentation tank of livestock and poultry manure after removing the upper cover with the heat exchanger;

In the figure: 1. Exhaust gas output pipe; 2. Upper cover; 3. Main shell; Gas access pipeline; 9. Access to power room supply fan pipeline; 10. Through hole.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

A heat exchanger for aerobic fermentation tank of livestock and poultry manure, as shown in Figure 1, includes a main shell 3, an upper cover 2, a partition 4 and a lower shell 6, wherein the partition 4 is welded to the main shell respectively. 3, the upper cover 2 is arranged on the top of the main casing 3, and the lower casing 6 is arranged at the bottom end of the main casing 3.

The upper cover 2 is in the shape of a truncated cone, the lower part of which is welded with a flange, and the top of which is welded with a short pipe with a diameter of 250 mm, which is used to connect the exhaust gas output pipe 1 .

The main shell 3 is cylindrical, and its top and bottom ends are flanged to the shell.

The lower shell 6 is cylindrical, the upper part of which is welded with a flange, the bottom of which is provided with 4 small uprights for support, the upper end of which is concave into a funnel shape, and the interior is hollow.

Sealing rings are added between the main casing 3 and the upper cover 2 and between the main casing 3 and the lower casing 6 and are connected by bolts through their respective flanges. The flanges are provided with 20 evenly distributed holes with a diameter of 14 mm.

As shown in FIG. 2 , 121 heat exchange tubes 7 are welded between the partitions 4 at the top and bottom of the main shell 3 ; as shown in FIG. 3 , the partitions 4 are provided with 121 through holes with a diameter of 38 mm. 10. Each longitudinal row of holes is in a linear array, the holes between every two rows are arranged in a staggered arrangement, and the heat exchange tubes 7 correspond to the through holes 10 .

The heat exchange tube 7 is made of aluminum, the interior is hollow, the tube body is large in the middle and the two ends are small, the tube body is wrapped by an aluminum external threaded tube, and the two ends of the tube can be inserted into the through holes on the partition plate 4 respectively. 10, and welded with the separator 4 as a whole.

As shown in FIG. 1 , with the main casing 3 as the main viewing angle, it is divided into four directions: front, rear, left, and right. A short pipe with a diameter of 250mm is welded under the front part of the side wall of the main shell 3, which is used to connect the gas access pipe 8 in the power room of the tank; It is connected to the power room supply fan pipeline 9; a short pipe with a diameter of 250mm is welded on the upper right part of the side wall of the lower shell 6, which is used to connect the hot gas access pipeline 5 at the top of the tank.

An operation process of a heat exchanger for an aerobic fermentation tank of livestock and poultry manure is as follows. The heat is absorbed, and then the exhaust gas is discharged through the exhaust gas output pipe 1 and enters the subsequent spray deodorization device; the gas sucked in from the tank power chamber enters the heat exchanger main shell 3 through the tank power chamber gas access pipe 8, and the heat exchange is carried out. The heat on the pipe 7 is taken away, and enters into the power room for the fan pipe 9 to be used for the hot oxygen required for subsequent fermentation.

Claims (5)

1. a heat exchanger for aerobic fermentation tank of livestock and poultry manure, is characterized in that, comprises main shell, upper cover, clapboard and lower shell, wherein, described clapboard is welded on the top and bottom end of described main shell respectively , the upper cover is arranged at the top end of the main casing, and the lower casing is arranged at the bottom end of the main casing; The upper cover is in the shape of a truncated cone, the top of which is welded with an exhaust gas output pipe; The main shell is cylindrical, and more than one heat exchange tube is welded between the top and bottom baffles; The lower shell is cylindrical, the bottom of which is provided with 4 small uprights for support, the upper end of which is concave into a funnel shape, and the interior is hollow; Taking the main shell as the main perspective, it is divided into four directions: front, rear, left and right. The tank power room gas inlet pipe is welded under the side front of the main shell, and the power room supply pipe is welded above the side rear of the main shell. Fan pipeline; a tank top hot gas access pipeline is welded above the right part of the side surface of the lower shell. 2. The heat exchanger for aerobic fermentation tank of livestock and poultry manure according to claim 1, characterized in that, between the main shell and the upper cover, and between the main shell and the lower shell Fixed connection via flange. 3 . The heat exchanger for aerobic fermentation tank of livestock and poultry manure according to claim 2 , wherein 20 evenly distributed holes with a diameter of 14 mm are provided on the flange. 4 . 4. a kind of heat exchanger for aerobic fermentation tank of livestock and poultry manure according to claim 1, is characterized in that, described partition plate is provided with 121 through holes with diameter of 38mm, and every vertical row of holes is in a linear array, The holes between every two rows are staggered, and the number of the heat exchange tubes is 121, corresponding to the through holes. 5. A heat exchanger for aerobic fermentation tank of livestock and poultry manure according to claim 4, characterized in that, the material of the heat exchange tube is aluminum, the interior is hollow, the middle of the tube body is large and the ends are small, and the tube body is made of aluminum. It is wrapped by an aluminum external threaded pipe, and the two ends of the pipe can be respectively inserted into the through holes on the partition plate and welded together with the partition plate.

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