CN112871106A - Hydrothermal reaction device with material taking device and operation method - Google Patents
Hydrothermal reaction device with material taking device and operation method Download PDFInfo
- Publication number
- CN112871106A CN112871106A CN202110201029.6A CN202110201029A CN112871106A CN 112871106 A CN112871106 A CN 112871106A CN 202110201029 A CN202110201029 A CN 202110201029A CN 112871106 A CN112871106 A CN 112871106A
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- valve
- hydrothermal reaction
- reaction tank
- circulating pump
- filter
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- 239000000463 material Substances 0.000 title claims abstract description 79
- 238000001027 hydrothermal synthesis Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000012429 reaction media Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000010924 continuous production Methods 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000010921 garden waste Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
Abstract
The invention discloses a hydrothermal reaction device with a material taking device and an operation method. The hydrothermal reaction device consists of a hydrothermal reaction tank, a material taking device and a circulating pump; a filter and a heater are designed in the hydrothermal reaction tank, a material separation filter is designed in the material taking device, an isolation valve and a material valve are designed outside the material taking device, and four valves are designed at an inlet and an outlet of the circulating pump to play a reversing function; the hydrothermal reaction tank is connected with the material taking device through the isolating valve, and the circulating pump is respectively connected with the filter and the material separating filter and is respectively connected with the hydrothermal reaction tank and the discharging device. The operating principle of the reaction device is as follows: separating the hydrothermal reaction tank from the material taking device through an isolation valve to realize charging; then, opening an isolation valve, and enabling the raw materials to enter the hydrothermal reactor through the control of the water flow direction of a circulating pump and the matching of the filter; and after the reaction is finished, controlling the water flow direction of the circulating pump and matching with the filter to enable the reaction product to enter a material taking device, taking the material through the isolating valve, and repeating the steps.
Description
Technical Field
The invention relates to a hydrothermal decomposition reaction device, in particular to a hydrothermal reaction device with a material taking device and an operation method, which are applied to hydrothermal reaction for preparing biochar from garden wastes.
Background
When biochar is prepared from garden waste by a hydrothermal method, besides biochar, a lot of byproducts are generated, and most of the byproducts are dissolved in water, so that a reaction medium is complicated. In order to avoid interference factors, water as a reaction medium is generally used once. Although the cost of water is low, the heat contained in water is costly.
Recent studies have shown that: the by-products entering the water, not only do not affect the preparation of the biochar, but also have positive effect. Based on these studies, the present application has designed a reaction apparatus that can avoid repeated heating and cooling of the reaction medium, thereby saving energy considerably.
Disclosure of Invention
The invention aims to provide equipment and a method for hydrothermal reaction for preparing biochar from garden waste.
The invention is realized by adopting the following technical scheme:
a hydrothermal reaction device with a material taking device comprises a hydrothermal reaction tank, the material taking device and a circulating pump; a filter and a heater are designed in the hydrothermal reaction tank, a material separating filter is designed at one end in the material taking device, an isolating valve is designed at the other end, a material valve is designed in the middle of the material taking device, and four valves are designed at the inlet and the outlet of the circulating pump to achieve the reversing function. The connection is that one end of the material taking device is connected with a lower material port of the hydrothermal reaction tank through an isolation valve, and the middle part of the material taking device is provided with a material valve; an inlet of the circulating pump is connected with one end of the valve I and one end of the valve IV in parallel, and an outlet of the circulating pump is connected with one end of the valve II and one end of the valve III in parallel; the other ends of the valve IV and the valve III are connected with a material separating filter in the other end of the material taking device in parallel; the other ends of the valve I and the valve II are connected with a filter on the upper part of the hydrothermal reaction tank in parallel.
The operating principle of the reaction device is as follows: the hydrothermal reaction tank is separated from the material taking device through an isolation valve so as to realize charging; then, opening an isolation valve, and enabling the raw materials to enter a hydrothermal reaction tank through the control of the water flow direction of a circulating pump and the matching of the circulating pump and a filter; and after the reaction is finished, the reaction product enters a material taking device by controlling the water flow direction of the circulating pump and matching with the filter, and then the material is taken by the isolating valve, and the process is repeated.
The reaction device operates according to the following steps:
step one, starting: adding water serving as a reaction medium into a hydrothermal reaction tank, closing all valves, and heating the hydrothermal reaction tank to a certain temperature;
step two, charging: opening a material valve, adding reaction raw materials into a material taking device, and closing the material valve;
step three, feeding: opening an isolation valve, starting a circulating pump, enabling water in the hydrothermal reaction tank to sequentially flow through a filter, the circulating pump, a material separation filter and the isolation valve, and bringing and retaining the raw materials into the hydrothermal reaction tank through water flow;
step four, reaction: closing the isolating valve, and opening the heater to enable the hydrothermal reaction tank to react according to set conditions until the reaction is finished;
step five, discharging: opening an isolation valve, starting a circulating pump, enabling water in a hydrothermal reaction tank to sequentially flow through the isolation valve, a material separation filter, the circulating pump and a filter, and bringing and retaining reaction products into a material taking device through water flow; closing the isolation valve and all valves thereof;
taking materials: opening a material valve, taking the reaction product out of the material taking device, and closing the material valve;
step seven, repeating: repeating the second step to the sixth step; the circulation is carried out in this way, and continuous production is formed.
Compared with the prior art, the hydrothermal reaction device with the material taking device and the operation method have the beneficial effects that: repeated heating and cooling of the reaction medium can be avoided, thereby greatly saving energy.
The invention has reasonable design and good practical application value.
Drawings
Fig. 1 shows a schematic structural view of the present invention.
In the figure: 1-a hydrothermal reaction tank, 11-a filter and 12-a heater; 2-a material taking device, 21-a material isolating filter, 22-a material valve and 23-an isolating valve; 3-circulating pump, 31-valve I, 32-valve II, 33-valve III, 34-valve IV.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
A hydrothermal reaction device with a material taking device is shown in figure 1 and comprises a hydrothermal reaction tank 1, a material taking device 2 and a circulating pump 3; a filter 11 and a heater 12 are designed in the hydrothermal reaction tank 1, a material separation filter 21 is designed in the material taking device 2, a material valve 22 and an isolation valve 23 are designed outside, and four valves including a valve I31, a valve II 32, a valve III 33, a valve IV 34 and the like are designed at an inlet and an outlet of the circulating pump 3 to play a role in reversing; the hydrothermal reaction tank 1 is connected with the material taking device 2 through an isolation valve 23, and the circulating pump 3 is respectively connected with the hydrothermal reaction tank 1 and the material taking device 2 through a filter 11 and an isolation filter 21. Specifically, an inlet of a circulating pump 3 is connected in parallel with one end of a valve I31 and one end of a valve IV 34, and an outlet of the circulating pump 3 is connected in parallel with one end of a valve II 32 and one end of a valve III 33; the other ends of the valve IV 34 and the valve III 33 are connected with the material separating filter 21 in the other end of the material taking device 2 in parallel; the other ends of the valve I31 and the valve II 32 are connected in parallel with the filter 11 at the upper part in the hydrothermal reaction tank 1.
The reaction device operates according to the following steps:
step one, starting: adding water serving as a reaction medium into the hydrothermal reaction tank 1, closing all valves, and heating the hydrothermal reaction tank 1 to a certain temperature;
step two, charging: opening the material valve 2-2, adding reaction raw materials into the material taking device 2, and closing the material valve 2-2;
step three, feeding: opening an isolation valve 23, simultaneously opening a valve I31 and a valve III 33, closing a valve II 32 and a valve IV 34, starting a circulating pump 3, enabling water in the hydrothermal reaction tank 1 to sequentially flow through a filter 11, the circulating pump 3, a material separation filter 21 and the isolation valve 23, and bringing and retaining the raw materials into the hydrothermal reaction tank 1 through water flow;
step four, reaction: closing the isolation valve 23, the valve I31 and the valve III 33, and starting the heater 12 to enable the hydrothermal reaction tank 1 to react according to the set conditions until the reaction is finished;
step five, discharging: opening an isolation valve 23, simultaneously opening a valve IV 34 and a valve II 32, starting a circulating pump 3, enabling water in the hydrothermal reaction tank 1 to sequentially flow through the isolation valve 23, a material separation filter 21, the circulating pump 3 and a filter 11, and bringing and retaining reaction products into a material taking device 2 through water flow; closing the isolation valve 23 and all its valves;
taking materials: opening the material valve 22, taking the reaction product out of the material taking device 2, and closing the material valve 22;
step seven, repeating: repeating the second step to the sixth step; the circulation is carried out in this way, and continuous production is formed.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (2)
1. The utility model provides a hydrothermal reaction device who has extracting device which characterized in that: comprises a hydrothermal reaction tank (1), a material taking device (2) and a circulating pump (3);
a heater (12) and a filter (11) are arranged in the hydrothermal reaction tank (1);
one end of the material taking device (2) is connected with a lower material port of the hydrothermal reaction tank (1) through an isolation valve (23), and a material valve (22) is arranged in the middle of the material taking device (2);
an inlet of the circulating pump (3) is connected with one end of the valve I (31) and one end of the valve IV (34) in parallel, and an outlet of the circulating pump (3) is connected with one end of the valve II (32) and one end of the valve III (33) in parallel; the other ends of the valve IV (34) and the valve III (33) are connected in parallel with a material separating filter (21) in the other end of the material taking device (2); the other ends of the valve I (31) and the valve II (32) are connected with a filter (11) at the upper part in the hydrothermal reaction tank (1) in parallel.
2. A method of operating a hydrothermal reaction apparatus having a take-off device as set forth in claim 1, comprising: the method comprises the following steps:
step one, starting: adding water serving as a reaction medium into the hydrothermal reaction tank (1), closing all valves, and heating the hydrothermal reaction tank (1) to a required temperature;
step two, charging: opening a material valve (22), adding reaction raw materials into a material taking device (2), and closing the material valve (22);
step three, feeding: opening an isolation valve (23), simultaneously opening a valve I (31) and a valve III (33), closing a valve II (32) and a valve IV (34), starting a circulating pump (3), enabling water in the hydrothermal reaction tank (1) to sequentially flow through a filter (11), the circulating pump (3), a material separation filter (21) and the isolation valve (23), and bringing and retaining the raw materials into the hydrothermal reaction tank (1) through water flow;
step four, reaction: closing the isolation valve (23), the valve I (31) and the valve III (33), and opening the heater (12) to enable the hydrothermal reaction tank (1) to react according to the set conditions until the reaction is finished;
step five, discharging: opening an isolation valve (23), simultaneously opening a valve IV (34) and a valve II (32), starting a circulating pump (3), enabling water in the hydrothermal reaction tank (1) to sequentially flow through the isolation valve (23), a material separating filter (21), the circulating pump (3) and a filter (11), and bringing and retaining reaction products into a material taking device (2) through water flow; closing the isolation valve (23) and all valves thereof;
taking materials: opening a material valve (22), taking the reaction product out of the material taking device (2), and closing the material valve (22);
step seven, repeating the step two to the step six; the circulation is carried out in this way, and continuous production is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110201029.6A CN112871106B (en) | 2021-02-23 | 2021-02-23 | Hydrothermal reaction device with material taking device and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110201029.6A CN112871106B (en) | 2021-02-23 | 2021-02-23 | Hydrothermal reaction device with material taking device and operation method |
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| Publication Number | Publication Date |
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| CN112871106A true CN112871106A (en) | 2021-06-01 |
| CN112871106B CN112871106B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110201029.6A Active CN112871106B (en) | 2021-02-23 | 2021-02-23 | Hydrothermal reaction device with material taking device and operation method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2011547A (en) * | 1977-12-28 | 1979-07-11 | Kyoei Zoki Kk | A liquid transfer apparatus using air pressure and vacuum |
| US4826362A (en) * | 1980-02-01 | 1989-05-02 | Kyoeizoki Co., Ltd. | Solid transfer apparatus |
| CN203002096U (en) * | 2012-11-27 | 2013-06-19 | 杨继新 | Backwash oil filter |
| CN204017511U (en) * | 2014-08-26 | 2014-12-17 | 浙江圣达生物药业股份有限公司 | The exempting from of container unpicks and washes filter device for pipes |
| CN106732302A (en) * | 2016-12-01 | 2017-05-31 | 唐秀克 | A kind of vertical circulation chemical reaction equipment |
| CN110652937A (en) * | 2019-09-09 | 2020-01-07 | 河北科技大学 | High-pressure reaction system and feeding and discharging process for efficient energy recovery |
| CN214636268U (en) * | 2021-02-23 | 2021-11-09 | 轻工业环境保护研究所 | Hydrothermal reaction device with material taking device |
-
2021
- 2021-02-23 CN CN202110201029.6A patent/CN112871106B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2011547A (en) * | 1977-12-28 | 1979-07-11 | Kyoei Zoki Kk | A liquid transfer apparatus using air pressure and vacuum |
| US4826362A (en) * | 1980-02-01 | 1989-05-02 | Kyoeizoki Co., Ltd. | Solid transfer apparatus |
| CN203002096U (en) * | 2012-11-27 | 2013-06-19 | 杨继新 | Backwash oil filter |
| CN204017511U (en) * | 2014-08-26 | 2014-12-17 | 浙江圣达生物药业股份有限公司 | The exempting from of container unpicks and washes filter device for pipes |
| CN106732302A (en) * | 2016-12-01 | 2017-05-31 | 唐秀克 | A kind of vertical circulation chemical reaction equipment |
| CN110652937A (en) * | 2019-09-09 | 2020-01-07 | 河北科技大学 | High-pressure reaction system and feeding and discharging process for efficient energy recovery |
| CN214636268U (en) * | 2021-02-23 | 2021-11-09 | 轻工业环境保护研究所 | Hydrothermal reaction device with material taking device |
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| CN112871106B (en) | 2024-01-26 |
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Address after: 100089 environmental protection office, 27 West Third Ring Road North, Zizhuyuan street, Haidian District, Beijing Applicant after: Institute of resources and environment, Beijing Academy of science and technology Address before: 100089 environmental protection office, 27 West Third Ring Road North, Zizhuyuan street, Haidian District, Beijing Applicant before: ENVIRONMENTAL PROTECTION Research Institute OF LIGHT INDUSTRY |
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| CB03 | Change of inventor or designer information |
Inventor after: Yao Jingjing Inventor after: Zhang Chengliang Inventor after: Zhang Jianzhong Inventor after: Mu Zhen Inventor before: Zhang Jianzhong Inventor before: Zhang Chengliang Inventor before: Yao Jingjing Inventor before: Mu Zhen |
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