Heat preservation mechanism of high-temperature digester

Abstract

The utility model relates to the technical field of water quality detectors, and discloses a heat preservation mechanism of a high-temperature digester, which comprises a shell and an inner container sleeved in a shell cavity, the shell and the inner container are detachably connected through a connecting assembly, the connecting assembly comprises a locking block and a slot, the wall surfaces of the shell and the inner container are respectively provided with the slot, and the locking block is detachably connected with the slot. A separation assembly for guiding liquid is arranged in a cavity of the inner container, a heat preservation cavity is formed between the inner container and the outer shell, the inner container and the outer shell are connected through the inserting groove, the inner container is prevented from making contact with the outer shell, heat conduction can be restrained, heat loss is reduced, and a better heat preservation effect is achieved in cooperation with a heat preservation face. The temperature difference in the digester is relieved, the detection precision is further improved, the water can be guided by arranging the separation assembly, the flowing track length and the contact surface of the water in the inner container cavity are increased, and the heating effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality detectors, in particular to a heat preservation mechanism of a high-temperature digester. Background Art

[0002] The prior art discloses a high-temperature digester insulation structure for a water quality analyzer (CN202021648724.4), wherein the high-temperature digester comprises a heating rod, a temperature fuse, a Teflon tube, thermal insulation cotton, tin foil and a temperature probe; the Teflon tube is wound around the side of the heating rod, the temperature fuse is embedded in the empty groove of the heating rod, the thermal insulation cotton is wrapped around the heating rod and the Teflon tube, and the tin foil is wrapped around the thermal insulation cotton; the power cord is connected to the base of the heating rod through the opening at the bottom of the fixing seat, and the temperature probe is embedded in the hollow groove on the upper part of the heating rod; the high-temperature digester is embedded in the fixing seat;

[0003] The existing technology mainly heats the water by flowing water through a Teflon pipe chamber and cooperating with an internal heating rod. When water flows through a straight pipe chamber, the contact time and contact surface between the water and the heating rod are limited, which limits the heating effect of the heating rod on the water. The way the heating rod heats water has room for optimization.

[0004] Therefore, we propose a heat preservation mechanism for a high-temperature digester. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a heat preservation mechanism for a high-temperature digester.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a heat preservation mechanism of a high-temperature digester, comprising an outer shell and an inner liner sleeved in the outer shell cavity, the outer shell and the inner liner are detachably connected by a connecting component, the connecting component comprises a locking block and a slot, the wall surfaces of the outer shell and the inner liner are both provided with slots, the locking block is inserted into the slot to limit the outer shell and the inner liner, the inner liner has a cavity, and the cavity of the inner liner is provided with a partition component for guiding the liquid, and the partition component divides the chamber of the outer shell into a curved flow channel.

[0007] As a preferred embodiment of the utility model, the locking block forms a dovetail block with an I-shaped cross section, the slot and the locking block cooperate with each other, the locking block and the slot are of the same height, and the height of the slot is less than the height of the inner tank.

[0008] As a preferred embodiment of the utility model, the outer shell and the inner liner are both cylindrical structures, the outer diameter of the inner liner is smaller than the inner diameter of the outer shell, an insulating cavity is formed between the interior of the outer shell and the outer wall of the outer shell, and a plurality of locking blocks are arranged in the insulating cavity. The plurality of locking blocks divide the insulating cavity into a plurality of partition chambers, and each partition chamber is provided with thermal insulation cotton.

[0009] As a preferred embodiment of the utility model, the partition assembly is a plurality of partitions arranged in the inner tank cavity, the partitions are fixedly connected to the inner tank, a notch is provided on the wall of each partition, an independent cavity is formed between two adjacent partitions, and two adjacent independent cavities are interconnected through the notch, and a plurality of independent chambers together form a serpentine curved flow channel.

[0010] As a preferred embodiment of the present invention, the partition is a circular plate, the notch is a rectangular groove, and the notches on the walls of two adjacent partitions are staggered.

[0011] As a preferred embodiment of the utility model, the partition assembly is a column and a guide body arranged in the inner tank cavity, the guide body is fixedly connected to the column, and the guide body is fixedly connected to the inner wall of the inner tank, and the guide body divides the inner tank chamber into a spiral flow channel.

[0012] As a preferred embodiment of the utility model, the notch is a spiral plate, the column is located at the center of the guide body, the outer circumference of the guide body is fixedly connected to the inner wall of the liner, the inner circumference of the guide body is fixedly connected to the column, and the column is cylindrical.

[0013] Beneficial Effects

[0014] The utility model provides a heat preservation mechanism for a high-temperature digester, which has the following beneficial effects:

[0015] 1. The heat preservation mechanism of a high-temperature digester is provided with a locking block and a slot. The locking block is made of ceramic material, and the inner liner is made of Teflon material. A heat preservation cavity is formed between the inner liner and the outer shell, and the inner liner and the outer shell are connected through the slot to avoid contact between the inner liner and the outer shell. The heat conduction can be suppressed, and heat loss can be reduced. With the heat preservation surface, a better heat preservation effect can be achieved, and the temperature difference in the digester can be alleviated, thereby improving the detection accuracy. By providing a partition component, water can be guided, the length of the water flow track in the inner liner chamber and the contact surface can be increased, and the heating effect can be improved.

[0016] 2. The heat preservation mechanism of the high-temperature digester is provided with a plurality of partitions, and the plurality of partitions divide the inner chamber into independent chambers. Since each notch is staggered, specifically, the notch angle between the walls of two adjacent partitions is ninety degrees, and thus a plurality of interconnected independent chambers form a serpentine curved flow channel, which can extend the length of the trajectory of water flowing in the inner chamber, ensure full contact between water and the heating rod, and improve the heating effect of the water belt.

[0017] 3. By setting up columns and guide bodies, the guide bodies can extend the flow trajectory of water in the inner tank cavity to ensure that the water is fully heated by the heating rod in the inner tank cavity. Secondly, the water flows in a spiral shape under the guidance of the guide body, which can reduce flow resistance, suppress turbulence, and take into account both water flow rate and heating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is one of the three-dimensional diagrams of the utility model;

[0019] Figure 2 This is the second stereogram of the utility model;

[0020] Figure 3 This is the assembly diagram of the lock block of the utility model;

[0021] Figure 4 This is a schematic diagram of the utility model for installing a partition in the inner tank;

[0022] Figure 5 This is a schematic diagram of the guide body for installing the inner tank of the utility model.

[0023] Legend: 10, outer shell; 11, liner; 20, locking block; 21, slot; 30, partition; 31, notch; 40, column; 41, guide body. DETAILED DESCRIPTION

[0024] A heat preservation mechanism of a high temperature digester, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes an outer shell 10 and an inner liner 11 sleeved in the cavity of the outer shell 10. The outer shell 10 and the inner liner 11 are detachably connected by a connecting component. The connecting component includes a locking block 20 and a slot 21. The wall surfaces of the outer shell 10 and the inner liner 11 are provided with slots 21. The locking block 20 is inserted into the slot 21 to limit the outer shell 10 and the inner liner 11. The inner liner 11 has a cavity. The cavity of the inner liner 11 is provided with a partition component for guiding the liquid. The partition component divides the chamber of the outer shell 10 into a curved flow channel. The locking block 20 forms a dovetail block with an I-shaped cross section. The slot 21 and the locking block 20 cooperate with each other. The locking block 20 is the same height as the slot 21. The height of the slot 21 is less than the height of the inner liner 11. The outer shell 10 and the inner liner 11 are both cylindrical structures. The outer diameter of the inner liner 11 is less than the inner diameter of the cavity of the outer shell 10. 0 and the outer wall of the shell 10 form an insulation cavity, a plurality of locking blocks 20 are arranged in the insulation cavity, and the plurality of locking blocks 20 divide the insulation cavity into a plurality of partition chambers, and each partition chamber is provided with insulation cotton. In the present solution, by arranging the locking blocks 20 and the slots 21, the locking blocks 20 are made of ceramic material, and the inner liner 11 is made of Teflon material, a heat insulation cavity is formed between the inner liner 11 and the shell 10, and the inner liner 11 is connected to the shell 10 through the slots 21 to avoid contact between the inner liner 11 and the shell 10, which can inhibit heat conduction and reduce heat loss. With the insulation surface, a better insulation effect is achieved, and the temperature difference in the digester is alleviated, thereby improving the detection accuracy. Cover plates are provided at the ends of the shell 10 and the inner liner 11, and the cover plates are fixed by bonding to seal the interlayer of the shell 10 and the inner liner 11.

[0025] like Figure 4 As shown, the partition assembly is a plurality of partitions 30 arranged in the cavity of the inner tank 11, the partitions 30 are fixedly connected to the inner tank 11, and the wall surface of each partition 30 is provided with a notch 31, an independent cavity is formed between two adjacent partitions 30, and the two adjacent independent cavities are interconnected through the notch 31, and a plurality of independent chambers together form a serpentine curved flow channel, the partition 30 is a circular plate, and the notch 31 is a rectangular groove, and the notches 31 on the walls of two adjacent partitions 30 are staggered. An electric heating rod is installed in the cavity of the inner tank 11, and water flows through the cavity of the inner tank 11. By arranging a plurality of partitions 30, the plurality of partitions 30 divide the cavity of the inner tank 11 into independent cavities, because each notch 31 is staggered, specifically, the notch 31 on the wall surface of two adjacent partitions 30 has an angle of ninety degrees, and then a plurality of independent cavities interconnected with each other form a serpentine curved flow channel, which can extend the trajectory length of water flowing in the cavity of the inner tank 11, ensure that the water is fully in contact with the heating rod, and improve the heating effect of the water belt.

[0026] like Figure 5 As shown, the partition assembly is a column 40 and a guide body 41 arranged in the cavity of the inner liner 11, the guide body 41 is fixedly connected to the column 40, and the guide body 41 is fixedly connected to the inner wall of the inner liner 11. The guide body 41 divides the chamber of the inner liner 11 into a spiral flow channel, the notch 31 is a spiral plate, the column 40 is located at the center of the guide body 41, the outer circumference of the guide body 41 is fixedly connected to the inner wall of the inner liner 11, the inner circumference of the guide body 41 is fixedly connected to the column 40, and the column 40 is cylindrical. In this scheme, as an optimization of the above scheme, by setting the column 40 and the guide body 41, the guide body 41 can extend the flow trajectory of water in the cavity of the inner liner 11 to ensure that the water is fully heated by the heating rod in the cavity of the inner liner 11. Secondly, the water flows in a spiral shape under the guidance of the guide body 41, which can reduce flow resistance, suppress turbulence, and take into account both water flow rate and heating effect.

[0027] It should be noted that the guide body 41 and the partition plate 30 are provided with holes for installing the heating rods, and the heating rods are installed in the holes. The heating rods and the holes are not shown in the figure.

[0028] The working principle of the utility model is as follows: a locking block 20 and a slot 21 are provided, the locking block 20 is made of ceramic material, the inner liner 11 is made of Teflon material, a heat preservation cavity is formed between the inner liner 11 and the outer shell 10, and the inner liner 11 is connected to the outer shell 10 through the slot 21, so as to avoid contact between the inner liner 11 and the outer shell 10, thereby suppressing heat conduction and achieving heat preservation;

[0029] An electric heating rod is installed in the cavity of the inner liner 11, and water flows through the cavity of the inner liner 11. By setting a plurality of partitions 30, the plurality of partitions 30 divide the cavity of the inner liner 11 into independent cavities. Since each notch 31 is staggered, specifically, the angle between the notches 31 on the walls of two adjacent partitions 30 is ninety degrees, and then a plurality of independent cavities interconnected with each other form a serpentine curved flow channel, which can extend the length of the trajectory of water flowing in the cavity of the inner liner 11, or the water can be guided by the guide body 41 to extend the flow trajectory in the cavity of the inner liner 11 to ensure that the water is fully heated by the heating rod in the cavity of the inner liner 11. Secondly, the water flows in a spiral shape under the guidance of the guide body 41 to reduce resistance.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat preservation mechanism of a high temperature digester, comprising a shell (10) and an inner container (11) sleeved in a cavity of the shell (10), characterized in that: The outer shell (10) and the inner shell (11) are detachably connected via a connecting assembly, wherein the connecting assembly comprises a locking block (20) and a slot (21), the wall surfaces of the outer shell (10) and the inner shell (11) are provided with the slot (21), the locking block (20) is inserted into the slot (21) to limit the outer shell (10) and the inner shell (11), the inner shell (11) has a cavity, and a partition assembly for guiding liquid is provided in the cavity of the inner shell (11), and the partition assembly partitions the chamber of the outer shell (10) into a curved flow channel.

2. The heat preservation mechanism of the high temperature digester according to claim 1, characterized in that: The locking block (20) is formed into a dovetail block with an I-shaped cross section. The slot (21) and the locking block (20) are used in cooperation with each other. The locking block (20) and the slot (21) are of the same height, and the height of the slot (21) is less than the height of the inner container (11).

3. The heat preservation mechanism of the high temperature digester according to claim 1, characterized in that: The outer shell (10) and the inner shell (11) are both cylindrical structures, the outer diameter of the inner shell (11) is smaller than the inner diameter of the outer shell (10), a heat-insulating cavity is formed between the interior of the outer shell (10) and the outer wall of the outer shell (10), a plurality of locking blocks (20) are arranged in the heat-insulating cavity, and the plurality of locking blocks (20) divide the heat-insulating cavity into a plurality of partition chambers, and each partition chamber is provided with heat-insulating cotton.

4. The heat preservation mechanism of the high temperature digester according to claim 1, characterized in that: The partition assembly is a plurality of partitions (30) arranged in the cavity of the inner liner (11); the partitions (30) are fixedly connected to the inner liner (11); a notch (31) is provided on the wall of each partition (30); an independent cavity is formed between two adjacent partitions (30); the two adjacent independent cavities are interconnected through the notch (31); and the plurality of independent chambers together form a serpentine curved flow channel.

5. The heat preservation mechanism of the high temperature digester according to claim 4, characterized in that: The partition plate (30) is a circular plate, the notch (31) is a rectangular groove, and the notches (31) on the wall surfaces of two adjacent partition plates (30) are staggered.

6. The heat preservation mechanism of the high temperature digester according to claim 1, characterized in that: The partition assembly comprises a column (40) and a guide body (41) arranged in the cavity of the inner liner (11); the guide body (41) is fixedly connected to the column (40); the guide body (41) is fixedly connected to the inner wall of the inner liner (11); and the guide body (41) divides the cavity of the inner liner (11) into a spiral flow channel.

7. The heat preservation mechanism of the high temperature digester according to claim 4, characterized in that: The notch (31) is a spiral plate, the column (40) is located at the center of the guide body (41), the outer circumference of the guide body (41) is fixedly connected to the inner wall of the inner container (11), the inner circumference of the guide body (41) is fixedly connected to the column (40), and the column (40) is cylindrical.

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