CN112871106B - 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
- CN112871106B CN112871106B CN202110201029.6A CN202110201029A CN112871106B CN 112871106 B CN112871106 B CN 112871106B CN 202110201029 A CN202110201029 A CN 202110201029A CN 112871106 B CN112871106 B CN 112871106B
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- valve
- hydrothermal reaction
- taking device
- material taking
- filter
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- 239000000463 material Substances 0.000 title claims abstract description 80
- 238000001027 hydrothermal synthesis Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 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
- 230000000717 retained effect Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
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
-
- 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
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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
- 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 arranged in the hydrothermal reaction tank, a material separating filter is arranged in the material taking device, an isolating valve and a material valve are arranged outside the material taking device, and four valves are arranged at the outlet of the circulating pump so as to play a role in reversing; the hydrothermal reaction tank is connected with the material taking device through the isolating valve, and the circulating pump is respectively connected with the hydrothermal reaction tank and the material discharging device through the filter and the material isolating filter. The operation principle of the reaction device is as follows: the hydrothermal reaction tank is separated from the material taking device through an isolating valve so as to realize charging; then, opening an isolation valve, and enabling raw materials to enter a hydrothermal reactor through control of the water flow direction of a circulating pump and cooperation with a filter; after the reaction is completed, the reaction product enters a material taking device through controlling the water flow direction of the circulating pump and matching with a filter, and then the material is taken through an isolating valve, so that the process is repeated.
Description
Technical Field
The invention relates to a hydrothermal pyrolysis 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 waste.
Background
When the biochar is prepared from garden waste by using a hydrothermal method, a lot of byproducts are generated in addition to the biochar, and most of the byproducts are dissolved in water, thereby complicating the reaction medium. In order to avoid interference, water is usually used as a reaction medium in a disposable manner. Although the cost of water is low, the heat contained in water is high.
Recent studies have shown that: the byproducts entering the water have no influence on the preparation of biochar, but have positive influence. Based on these studies, the present application devised a reaction apparatus that can avoid repeated heating and cooling of the reaction medium, thereby greatly saving energy.
Disclosure of Invention
The invention aims to provide equipment and a method for hydrothermal reaction of preparing biochar from garden waste.
The invention is realized by adopting the following technical scheme:
a hydrothermal reaction device with a material taking device consists of a hydrothermal reaction tank, the material taking device and a circulating pump; the filter and the heater are designed in the hydrothermal reaction tank, the material separating filter is designed at one end in the material taking device, the isolating valve is designed at the other end, the material valve is designed in the middle of the material taking device, and the four valves are designed at the inlet of the circulating pump so as to play a reversing function. One end of the material taking device is connected with a lower material port of the hydrothermal reaction tank through an isolation valve, and a material valve is arranged in the middle of the material taking device; the inlet of the circulating pump is connected with one end of the valve I and one end of the valve IV in parallel, and the 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 in parallel with a material separating filter in the other end of the material taking device; the other ends of the valve I and the valve II are connected with a filter at the upper part in the hydrothermal reaction tank in parallel.
The operation principle of the reaction device is as follows: the hydrothermal reaction tank is separated from the material taking device through an isolating valve so as to realize material charging; then, an isolation valve is opened, and raw materials are fed into a hydrothermal reaction tank through control of the water flow direction of a circulating pump and cooperation with a filter; after the reaction is completed, the reaction product enters the material taking device through the control of the water flow direction of the circulating pump and the cooperation of the circulating pump and the filter, and then the material is taken through the isolating valve, so that the process is repeated.
The reaction device operates according to the following steps:
step one, starting: adding water 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 the 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 isolation filter and the isolation valve, and carrying and retaining raw materials in the hydrothermal reaction tank through water flow;
step four, reaction: closing the isolation valve, opening the heater, and enabling 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 the hydrothermal reaction tank to flow through the isolation valve, the material isolation filter, the circulating pump and the filter in sequence, and leading a reaction product to be carried into and retained in the material taking device through water flow; closing the isolation valve and all valves thereof;
step six, material taking: opening a material valve, taking out the reaction product from the material taking device, and closing the material valve;
step seven, repeating: repeating the second step to the sixth step; this is recycled to form a continuous production.
Compared with the prior art, the hydrothermal reaction device with the material taking device and the operation method have the beneficial effects that: the repeated heating and cooling of the reaction medium can be avoided, thereby saving energy greatly.
The invention has reasonable design and good practical application value.
Drawings
Fig. 1 shows a schematic structure of the present invention.
In the figure: 1-a hydrothermal reaction tank, 11-a filter and 12-a heater; 2-material taking device, 21-material separating filter, 22-material valve and 23-separating valve; 3-circulating pump, 31-valve I, 32-valve II, 33-valve III and 34-valve IV.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
A hydrothermal reaction device with a material taking device is shown in figure 1, and consists of a hydrothermal reaction tank 1, a material taking device 2 and a circulating pump 3; the hydrothermal reaction tank 1 is internally provided with a filter 11 and a heater 12, the material taking device 2 is internally provided with a material separating filter 21, the outside is provided with a material valve 22 and an isolating valve 23, and the inlet and outlet of the circulating pump 3 is provided with four valves of a valve I31, a valve II 32, a valve III 33, a valve IV 34 and the like so as to play a role in reversing; the hydrothermal reaction tank 1 is connected with the material taking device 2 through an isolating valve 23, and the circulating pump 3 is connected with the hydrothermal reaction tank 1 and the material discharging device 2 through a filter 11 and an isolating filter 21 respectively. Specifically, the inlet of the circulating pump 3 is connected with one end of a valve I31 and one end of a valve IV 34 in parallel, and the outlet of the circulating pump 3 is connected with one end of a valve II 32 and one end of a 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 I31 and the valve II 32 are connected with the filter 11 at the upper part in the hydrothermal reaction tank 1 in parallel.
The reaction device operates according to the following steps:
step one, starting: adding water 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 a 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 the isolation valve 23, simultaneously opening the valve I31 and the valve III 33, closing the valve II 32 and the valve IV 34, opening the circulating pump 3, enabling water in the hydrothermal reaction tank 1 to sequentially flow through the filter 11, the circulating pump 3, the isolation filter 21 and the isolation valve 23, and carrying and retaining raw materials in the hydrothermal reaction tank 1 through water flow;
step four, reaction: closing the isolation valve 23, the valve I31 and the valve III 33, opening the heater 12, and enabling the hydrothermal reaction tank 1 to react according to set conditions until the reaction is finished;
step five, discharging: opening the isolation valve 23, simultaneously opening the valve IV 34 and the valve II 32, and opening the circulating pump 3 to enable water in the hydrothermal reaction tank 1 to sequentially flow through the isolation valve 23, the isolation filter 21, the circulating pump 3 and the filter 11, and leading reaction products to be carried into and retained in the material taking device 2 through water flow; closing the isolation valve 23 and all valves thereof;
step six, material taking: opening a material valve 22, taking out reaction products from the material taking device 2, and closing the material valve 22;
step seven, repeating: repeating the second step to the sixth step; this is recycled to form a continuous production.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (1)
1. A hydrothermal reaction unit with a material taking device, which is 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);
the inlet of the circulating pump (3) is connected with one end of a valve I (31) and one end of a valve IV (34) in parallel, and the outlet of the circulating pump (3) is connected with one end of a valve II (32) and one end of a 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;
the operation method is as follows:
step one, starting: adding water as a reaction medium into a 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 the 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), opening 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 isolation filter (21) and the isolation valve (23), and carrying and retaining raw materials in the hydrothermal reaction tank (1) through water flow;
step four, reaction: closing an isolation valve (23), a valve I (31) and a valve III (33), and opening a heater (12) to enable the hydrothermal reaction tank (1) to react according to 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), and opening a circulating pump (3), so that water in the hydrothermal reaction tank (1) flows through the isolation valve (23), the material isolation filter (21), the circulating pump (3) and the filter (11) in sequence, and the reaction product is brought into and retained in the material taking device (2) through water flow; closing the isolation valve (23) and all valves thereof;
step six, material taking: opening a material valve (22), taking out reaction products from the material taking device (2), and closing the material valve (22);
step seven, repeating the step two to the step six; this is recycled to form a continuous production.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112871106A CN112871106A (en) | 2021-06-01 |
| CN112871106B true 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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| CN112871106A (en) | 2021-06-01 |
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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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