CN218378293U - Heating system of kitchen waste slurry conveying pipeline - Google Patents
Heating system of kitchen waste slurry conveying pipeline Download PDFInfo
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- CN218378293U CN218378293U CN202222870562.4U CN202222870562U CN218378293U CN 218378293 U CN218378293 U CN 218378293U CN 202222870562 U CN202222870562 U CN 202222870562U CN 218378293 U CN218378293 U CN 218378293U
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Abstract
A heating system of a kitchen waste slurry conveying pipeline comprises a steam-water heat exchanger and a heating sleeve assembly used for heating the slurry conveying pipeline, wherein the heating sleeve assembly is integrally sleeved on the slurry conveying pipeline, an inlet of a primary side of the steam-water heat exchanger is connected with an external steam conveying device through a steam regulating valve used for regulating the size of steam, an outlet of the primary side of the steam-water heat exchanger is a condensed water outlet after heat exchange, a water outlet end of a secondary side of the steam-water heat exchanger is connected with a water inlet end of the heating sleeve assembly through a water supply pipeline, and a water outlet end of the heating sleeve assembly is connected with a water inlet end of the secondary side of the steam-water heat exchanger through a water return pipeline and a pump set in sequence. The utility model discloses on the way that the thick liquid is carried to anaerobic jar from the preliminary treatment workshop, heat the interior thick liquid of pipeline, improved work efficiency, thick liquid pipeline transport route does not receive the restriction of heat exchanger arrangement form moreover, has avoided because the elbow is too much and frequent problem of blockking up.
Description
Technical Field
The utility model relates to a kitchen garbage thick liquid pipeline. In particular to a heating system of a slurry conveying pipeline of kitchen waste.
Background
The optimal temperature for the mesophilic fermentation in the anaerobic tank is 39 + -1 ℃, and the slurry conveyed to the anaerobic tank from the slurry conveying pipeline needs to reach the temperature.
The existing heating modes for conveying the slurry have multiple modes, one of the modes is to arrange a serpentine double-pipe heat exchanger, and a slurry conveying pipeline penetrates through the serpentine double-pipe heat exchanger, so that the effect of exchanging heat for the slurry is achieved. However, since the heat exchanger has a serpentine structure, the slurry transport pipe is required to have a serpentine structure. The serpentine structure has a plurality of bends, and these bends are easy stifled during the thick liquid operation, and the bend increases moreover, has increased the holistic resistance of thick liquid pipeline, and is higher to the pump requirement of carrying thick liquid and hot water, and the energy consumption is also higher. And the serpentine heat exchanger needs to be placed in a space, so that the floor area is increased.
The heating method is that a steel heating sleeve is arranged in the anaerobic tank, and the slurry is directly heated in the anaerobic tank or is directly sprayed by steam. Since the slurry contains corrosive media such as hydrogen sulfide, the slurry corrodes the heating pipe and reduces the life thereof after long-term operation. The heating efficiency is high when the slurry is directly sprayed, but the amount of the slurry increases, the slurry concentration decreases, and the gas yield decreases to some extent.
Disclosure of Invention
The utility model aims to solve the technical problem that, in order to overcome the not enough of prior art, provide a kitchen garbage thick liquid pipeline's heating system that can heat the thick liquid in the kitchen garbage thick liquid pipeline.
The utility model adopts the technical proposal that: a heating system of a kitchen waste slurry conveying pipeline comprises a steam-water heat exchanger and a heating sleeve assembly used for heating the slurry conveying pipeline, wherein the heating sleeve assembly is integrally sleeved on the slurry conveying pipeline, an inlet of a primary side of the steam-water heat exchanger is connected with an external steam conveying device through a steam regulating valve used for regulating the size of steam, an outlet of the primary side of the steam-water heat exchanger is a condensed water outlet after heat exchange, a water outlet end of a secondary side of the steam-water heat exchanger is connected with a water inlet end of the heating sleeve assembly through a water supply pipeline, and a water outlet end of the heating sleeve assembly is connected with a water inlet end of the secondary side of the steam-water heat exchanger through a water return pipeline and a pump set in sequence.
The utility model discloses a heating system of kitchen garbage thick liquid pipeline, lay the heating sleeve pipe on the thick liquid pipeline outer wall, on the way that thick liquid is carried to the anaerobic jar from the preliminary treatment workshop, heat the thick liquid in the pipeline; the pipeline blockage caused by the solidification of grease contained in slurry in the pipeline wall in winter and cold is avoided. The utility model discloses heat the thick liquid among the thick liquid transportation process, heating sleeve not with thick liquid direct contact, still guaranteed the service life of pipeline when guaranteeing the thick liquid intensification. Meanwhile, the space occupied by heat exchange equipment is saved, and the working efficiency is also improved. And the slurry pipeline conveying route is not limited by the arrangement form of the heat exchanger, so that the problem of frequent blockage caused by excessive elbows is avoided, the effective lift of a pump for conveying slurry and water is not additionally increased, the initial investment is reduced, and the operating cost of the project is also reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
figure 2 is the overall structure schematic diagram of the middle pump group of the present invention.
Wherein
1: the switching valve 2: steam regulating valve
3: vapor-water heat exchanger 4: water outlet butterfly valve
5: the water supply pipeline 6: butterfly valve of water inlet switch
7: heating sleeve assembly 7.1: heating sleeve
7.2: communication pipe 8: slurry conveying pipeline
9: water outlet switch butterfly valve 10: water return pipeline
11: pump unit 11.1: inlet butterfly valve
11.2: filter 11.3: pump and method of operating the same
11.4: check valve 11.5: outlet butterfly valve
12: a water return butterfly valve 13: condensed water switch
Detailed Description
The heating system of the slurry conveying pipeline for kitchen waste of the present invention is described in detail with reference to the following embodiments and the accompanying drawings.
As shown in fig. 1, the utility model discloses a heating system of kitchen garbage slurry pipeline, include vapour-water heat exchanger 3 and be used for carrying out the heating sleeve pipe assembly 7 that heats to slurry pipeline 8, the whole cover of heating sleeve pipe assembly 7 is on slurry pipeline 8, the entry that vapour-water heat exchanger 3 once inclines connects outside steam conveying device through steam control valve 2 that is used for adjusting the admission size, steam control valve 2's admission side still connects the steam delivery end through a ooff valve 1. The outlet of the primary side of the steam-water heat exchanger 3 is a condensed water outlet after heat exchange, and the condensed water outlet of the primary side of the steam-water heat exchanger 3 is also connected with an external condensed water tank through a condensed water switch 13. The water outlet end of the secondary side of the steam-water heat exchanger 3 is connected with the water inlet end of the heating sleeve component 7 through a water supply pipeline 5, and the water outlet of the water supply pipeline 5 is connected with the water inlet end of the heating sleeve component 7 through a water inlet switch butterfly valve 6. The water outlet end of the secondary side of the steam-water heat exchanger 3 is connected with the water inlet of a water supply pipeline 5 through a water outlet butterfly valve 4. The water outlet end of the heating sleeve assembly 7 is connected with the water inlet end of the secondary side of the steam-water heat exchanger 3 through a water return pipeline 10 and a pump set 11 in sequence, and the water outlet end of the heating sleeve assembly 7 is connected with the water inlet of the water return pipeline 10 through a water outlet switch butterfly valve 9.
The heating sleeve assembly 7 comprises more than 3 heating sleeves 7.1 which are sequentially sleeved on the slurry conveying pipeline 8 and used for heating the slurry conveying pipeline 8, wherein every two adjacent heating sleeves 7.1 are connected and communicated through a communicating pipe 7.2.
As shown in fig. 2, the pump set 11 is formed by connecting a main pump pipeline a and a backup pump pipeline B in parallel, the water inlet ends of the main pump pipeline a and the backup pump pipeline B are connected to the water outlet end of the water return pipeline 10, and the water outlet ends of the main pump pipeline a and the backup pump pipeline B are connected to the water inlet end of the secondary side of the steam-water heat exchanger 3 through a water return butterfly valve 12. The main pump pipeline A and the standby pump pipeline B are identical in structure and are respectively composed of an inlet butterfly valve 10.1, a filter 10.2, a pump 10.3, a check valve 10.4 and an outlet butterfly valve 10.5 which are sequentially connected in series, wherein the water inlet end of the inlet butterfly valve 10.1 is connected with the water outlet end of the water return pipeline 10, and the water outlet end of the outlet butterfly valve 10.5 is connected with the water inlet end of the secondary side of the steam-water heat exchanger 3 through the water return butterfly valve 12.
The utility model discloses a kitchen garbage thick liquid pipeline's heating system's working process is, and steam passes through steam control valve 2, and the steam side of once getting into vapour-water heat exchanger 3, after the steam side had exchanged heat, the comdenstion water was carried to the condensate tank. The hot water on the secondary side of the steam-water heat exchanger 3 is changed to the target temperature and then is conveyed to the water inlet end of the heating sleeve assembly 7 through the water supply pipeline 5, and the hot water flows to the pump set 11 from the water outlet of the heating sleeve assembly 7 through the water return pipeline 10 and then flows back to the steam-water heat exchanger 3 through the pump set 11. During this process, the slurry transport pipe 8 flows the slurry transported from the pretreatment plant to the anaerobic tank, and the slurry is in heat exchange with the hot water in the heating jacket assembly 7 during the flowing process.
Through the utility model discloses a thick liquid in thick liquid pipeline is heated for thick liquid pipeline to kitchen garbage thick liquid pipeline's heating system. In the process, heating is a process of continuously heating the slurry, and when the temperature of the slurry reaches a set temperature, the steam regulating valve 2 is regulated to reduce the injection amount of the steam at the primary side of the steam-water heat exchanger 3, so that the temperature of the outlet water at the secondary side of the steam-water heat exchanger 2 is reduced. When the temperature of the slurry is reduced to be lower than the set temperature, the steam regulating valve 2 is regulated to increase the steam injection amount of the primary side of the steam-water heat exchanger 2, so that the temperature of the outlet water of the secondary side of the steam-water heat exchanger 2 is increased.
Claims (9)
1. The heating system of the kitchen waste slurry conveying pipeline comprises a steam-water heat exchanger (3) and a heating sleeve assembly (7) used for heating the slurry conveying pipeline (8), and is characterized in that the heating sleeve assembly (7) is integrally sleeved on the slurry conveying pipeline (8), an inlet of a primary side of the steam-water heat exchanger (3) is connected with an external steam conveying device through a steam adjusting valve (2) used for adjusting the size of steam inlet, an outlet of the primary side of the steam-water heat exchanger (3) is a condensed water outlet after heat exchange, a water outlet end of a secondary side of the steam-water heat exchanger (3) is connected with a water inlet end of the heating sleeve assembly (7) through a water supply pipeline (5), and a water outlet end of the heating sleeve assembly (7) is connected with a water inlet end of the secondary side of the steam-water heat exchanger (3) sequentially through a water return pipeline (10) and a pump set (11).
2. The heating system of the slurry conveying pipeline of the kitchen waste according to claim 1, wherein the heating sleeve assembly (7) comprises more than 3 heating sleeves (7.1) which are sequentially sleeved on the slurry conveying pipeline (8) and used for heating the slurry conveying pipeline (8), wherein every two adjacent heating sleeves (7.1) are connected and communicated through a communicating pipe (7.2).
3. The heating system of the slurry conveying pipeline for kitchen waste according to claim 1, wherein the pump set (11) is formed by connecting a main pump pipeline (A) and a backup pump pipeline (B) in parallel, the water inlet ends of the main pump pipeline (A) and the backup pump pipeline (B) are connected with the water outlet end of the water return pipeline (10), and the water outlet ends of the main pump pipeline (A) and the backup pump pipeline (B) are connected with the water inlet end of the secondary side of the steam-water heat exchanger (3) through a water return butterfly valve (12).
4. The heat supply system of the kitchen waste slurry conveying pipeline, according to claim 3, is characterized in that the main pump pipeline (A) and the standby pump pipeline (B) are identical in structure and are composed of an inlet butterfly valve (10.1), a filter (10.2), a pump (10.3), a check valve (10.4) and an outlet butterfly valve (10.5) which are sequentially connected in series, wherein the water inlet end of the inlet butterfly valve (10.1) is connected with the water outlet end of the water return pipeline (10), and the water outlet end of the outlet butterfly valve (10.5) is connected with the water inlet end of the secondary side of the steam-water heat exchanger (3) through the water return butterfly valve (12).
5. The heating system of the slurry conveying pipeline for kitchen waste, according to claim 1, characterized in that the steam inlet side of the steam regulating valve (2) is further connected with the steam conveying end through a switch valve (1).
6. The heating system of the slurry pipeline for kitchen waste according to claim 1, wherein the outlet of the secondary side of the steam-water heat exchanger (3) is connected to the inlet of the water supply pipeline (5) through a butterfly valve (4).
7. The heating system of the kitchen waste slurry conveying pipeline, as recited in claim 1, characterized in that the water outlet of the water supply pipeline (5) is connected with the water inlet end of the heating sleeve component (7) through a water inlet switch butterfly valve (6).
8. The heating system of kitchen waste slurry conveying pipeline according to claim 1, characterized in that the water outlet end of said heating sleeve assembly (7) is connected to the water inlet of the water return pipeline (10) through a water outlet switch butterfly valve (9).
9. The heating system of the kitchen waste slurry conveying pipeline, according to the claim 1, is characterized in that the condensed water outlet of the primary side of the steam-water heat exchanger (3) is further connected with an external condensed water tank through a condensed water switch (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222870562.4U CN218378293U (en) | 2022-10-27 | 2022-10-27 | Heating system of kitchen waste slurry conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222870562.4U CN218378293U (en) | 2022-10-27 | 2022-10-27 | Heating system of kitchen waste slurry conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218378293U true CN218378293U (en) | 2023-01-24 |
Family
ID=84937325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222870562.4U Active CN218378293U (en) | 2022-10-27 | 2022-10-27 | Heating system of kitchen waste slurry conveying pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN218378293U (en) |
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2022
- 2022-10-27 CN CN202222870562.4U patent/CN218378293U/en active Active
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