CN210247126U - Cooling water system of plasma treatment solid waste device - Google Patents
Cooling water system of plasma treatment solid waste device Download PDFInfo
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- CN210247126U CN210247126U CN201920830863.XU CN201920830863U CN210247126U CN 210247126 U CN210247126 U CN 210247126U CN 201920830863 U CN201920830863 U CN 201920830863U CN 210247126 U CN210247126 U CN 210247126U
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Abstract
The utility model relates to a plasma handles useless device admittedly, a plasma handles useless cooling water system who puts useless admittedly has: the closed circulating water cooling system comprises a desalted water storage tank, a circulating pipeline and a circulating pump, wherein desalted water in the desalted water storage tank is conveyed to a plasma torch and a power cabinet thereof through the circulating pipeline under the action of the circulating pump and then returns to the desalted water storage tank; a water return path of the circulating pipeline is provided with plate heat exchanger cooling desalted water; the circulating pump includes first circulating pump and second circulating pump, and another is reserve in one operation, and circulating pump outlet pressure changer cooperation intelligent digital display table shows and controls, and intelligent digital display table all is equipped with low pressure alarm value and low pressure alarm value, and just first, the second circulating pump establishes to chain control, when arbitrary circulating pump outlet teletransmission pressure gauge reaches low pressure alarm value, chain start. The utility model provides the high security of plasma torch operation protects plasma generator and power cabinet.
Description
Technical Field
The utility model relates to a plasma handles useless device admittedly, concretely relates to plasma handles cooling water system of useless device admittedly.
Background
The plasma is a substance in a fourth state, other than solid, liquid and gaseous, and is an ionized gas containing energy. It is formed by ionization by applying sufficient energy to the gas to separate electrons from neutral gas molecules and atoms. The plasma is divided into thermal plasma and non-thermal plasma, the thermal plasma is a balance system, the temperature of all substances exceeds 10000K, and the plasma is in a local thermal balance state; non-thermal plasma is a thermodynamically and chemically non-equilibrium state with electron temperatures (> 10000K) much greater than gas temperatures (about 300K). The plasma generator for solid waste treatment includes DC or AC arc plasma system, RF plasma system, microwave plasma system, etc. In the direct current arc plasma, the central temperature of a plasma flame can reach 30000K, and the average operation temperature reaches 5000K.
The use of plasma for the treatment of solid waste is becoming mature. The main advantages of plasma treatment of solid waste include: (1) the high energy density and high temperature and corresponding short-time rapid reaction make it possible to treat a large amount of hazardous waste in a small reactor; (2) in addition to high temperatures, very high cooling rates can be achieved to suppress the appearance of metastable and non-equilibrium combinations; (3) compared with an incinerator, the process can reach a stable state quickly; (4) the use of electrical energy can reduce the gas flow requirements and exhaust gas treatment requirements and can control the overall chemical reaction process, including the possibility of obtaining useful by-products.
Various types of solid waste such as medical waste, biomass waste, municipal waste and the like can be treated by using the plasma. The plasmas used for solid waste treatment are mainly alternating current/direct current plasmas, radio frequency plasmas, microwave plasmas and mixed multistage plasmas.
The plasma can provide high heat flux and high active substance heat flux at high temperature, and the plasma treatment solid waste has plasma pyrolysis, plasma gasification, plasma fusion vitrification, combination and the like at present.
At present, the plasma treatment solid waste is mostly in an experimental stage or a pilot stage and has a large distance from an industrial device. Compared with an industrial device, the experimental device or the pilot plant has the advantages of simple system, incomplete process safety measures, low reliability of continuous and stable operation and low safety.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned defect, provide a plasma handles cooling water system of useless device admittedly, solve plasma torch and meet with water pump trouble and power supply trouble or other accident situation down and lead to supplying water to interrupt suddenly when the operation, make plasma torch body equipment damage and power cabinet lose the problem that the water-cooling damaged under the high temperature.
The technical scheme of the utility model: a cooling water system of a plasma treatment solid waste device comprises:
the closed circulating water cooling system comprises a desalted water storage tank, a circulating pipeline and a circulating pump, wherein desalted water in the desalted water storage tank is conveyed to a plasma torch and a power cabinet thereof through the circulating pipeline under the action of the circulating pump and then returns to the desalted water storage tank; a water return path of the circulating pipeline is provided with plate heat exchanger cooling desalted water;
circulating pump export pressure transmitter cooperation intelligent digital display table shows and controls, intelligent digital display table all is equipped with low pressure alarm value and low pressure alarm value, and first, the second circulating pump is established to chain control, when arbitrary circulating pump export teletransmission pressure gauge reaches low pressure alarm value, chain start, intelligent digital display table sends start instruction to another circulating pump, and send control signal to circulating pump control circuit, then circulating pump contactor actuation, another circulating pump is electrified to be started, chain action is accomplished. Preferably, the power supply loads of the first circulating pump and the second circulating pump are both set as first-level loads and are powered by double power sources.
Preferably, the desalted water storage tank is provided with a water replenishing pipeline.
Preferably, the first circulating pump and the second circulating pump have a head of 50m and a pump outlet pressure of 0.5MPa (G).
Preferably, the low pressure alarm value is set to be 0.3MPa (G), and the low pressure alarm value is set to be 0.1MPa (G).
Preferably, the inlet temperature of the desalted water as cooling water is set to 30 ℃.
The utility model has the advantages that:
1. the utility model discloses make plasma generator plasma torch promptly plasma torch can continue under the circulating pump trouble condition steady operation and device power supply trouble condition under the ion generator can park safely or steady operation, improve the security of plasma torch operation, protection plasma generator and power cabinet.
2. The utility model discloses can realize the incessant cooling water that supplies with of system to guarantee the safe parking under the accident situation of plasma torch reactor and power cabinet.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: a desalted water storage tank-1, a first circulating pump-2, a second circulating pump-3, a plate heat exchanger-4, an outlet remote pressure gauge-5, a public system-6, a water supplementing pipeline-7, a circulating pipeline-8, a plasma torch and a power supply cabinet-9.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various modifications and changes may be made by those skilled in the art after reading the teachings of the present invention, and that such equivalents also fall within the scope of the appended claims.
When solid waste is treated by plasma, a direct current arc non-transfer plasma torch is often adopted. Because direct current plasma discharge is a consumable electrode discharge mode, a water cooling mode is generally adopted to protect a reactor, and in addition, a plasma torch power supply cabinet cooling mode is also water cooling. Therefore, the plasma torch reactor and the power cabinet thereof are cooled by desalted water, and the inlet water temperature is set to be 30 ℃.
A cooling water system of a plasma treatment solid waste device comprises:
the closed circulating water cooling system comprises a desalted water storage tank 1, a circulating pipeline 8 and a circulating pump, wherein desalted water in the desalted water storage tank 1 is sent to a plasma torch and a power cabinet 9 thereof through the circulating pipeline 8 under the action of the circulating pump, and then returns to the desalted water storage tank 1; a water return path of the circulating pipeline 8 is provided with a plate heat exchanger 4 for cooling desalted water; the desalted water storage tank 1 is provided with a water replenishing pipeline 7.
The circulating pump includes first circulating pump 2 and second circulating pump 3, another standby of an operation, circulating pump export pressure transmitter cooperation intelligent digital display table shows and controls, intelligent digital display table all is equipped with low pressure alarm value and low pressure alarm value, and it is first, the second circulating pump is established to chain control, when arbitrary circulating pump export teletransmission pressure gauge 5 reaches low pressure alarm value, chain start, intelligent digital display table sends start instruction to another circulating pump, and send control signal to circulating pump control circuit, then circulating pump contactor actuation, another circulating pump is electrified to start, chain action is accomplished. The first circulating pump 2 and the second circulating pump 3 have the lift of 50m and the pump outlet pressure of 0.5MPa (G). The low-pressure alarm value is set to be 0.3MPa (G), and the low-pressure alarm value is set to be 0.1MPa (G). The power supply loads of the first circulating pump 2 and the second circulating pump 3 are both set as first-level loads, and power is supplied by double power sources. See figure 1 for details.
The cooling water system comprises the following process flows:
(1) supplementing desalted water to the desalted water storage tank 1 through a DN50 water supplementing pipeline 7, and closing a water supplementing valve when the liquid level meter of the desalted water storage tank 1 displays that the liquid level is 80% of the maximum measuring range;
(2) starting the first circulating pump 2, meanwhile, the second circulating pump 3 is in a standby state, and the desalted water is sent to the plasma torch and the power cabinet 9 thereof through the first circulating pump 2 to cool the plasma torch and the power cabinet 9 thereof;
(3) the return water from the plasma torch and the power cabinet 9 is cooled to 30 ℃ after heat exchange with the cooling water from the public system 6 through the plate heat exchanger 4, and then returns to the desalted water tank 1;
(4) the system is a closed circulation system and does not need water supplement at ordinary times. When the desalted water leaks or the conductivity does not meet the requirement along with the prolonging of the operation time, water can be supplemented.
When the operation, suppose that first circulating pump 2 moves, second circulating pump 3 is in standby state, first circulating pump 2, second circulating pump 3 all set up to the chain control state, when 2 export teletransmission pressure gauges 5 of first circulating pump reached low alarm value, chain start, 3 automatic start of second circulating pump, and like this second circulating pump 3 moves, and when 5 export teletransmission pressure gauges of second circulating pump 3 reached low alarm value, 2 automatic start of first circulating pump. The power supply load of the circulating pump of the cooling water system is set as a first-stage load, namely the first-stage load is supplied with power by double power supplies, and when one path of power supply fails, the other path of power supply is not damaged at the same time.
Claims (6)
1. A cooling water system of a plasma treatment solid waste device is characterized by comprising:
the closed circulating water cooling system comprises a desalted water storage tank (1), a circulating pipeline (8) and a circulating pump, wherein desalted water in the desalted water storage tank (1) is sent to a plasma torch and a power cabinet (9) thereof through the circulating pipeline (8) under the action of the circulating pump, and then returns to the desalted water storage tank (1); a plate heat exchanger (4) is arranged on a water return path of the circulating pipeline (8) for cooling desalted water;
the circulating pump includes first circulating pump (2) and second circulating pump (3), another reserve of operation, circulating pump outlet pressure transmitter cooperation intelligent digital display table shows and controls, intelligent digital display table all is equipped with low pressure alarm value and low pressure alarm value, and it is first, the second circulating pump is established to chain control, when arbitrary circulating pump export teletransmission pressure gauge (5) reaches low pressure alarm value, chain start, intelligent digital display table sends start instruction to another circulating pump, and send control signal to circulating pump control circuit, then the actuation of circulating pump contactor, another circulating pump is electrified to be started, chain action is accomplished.
2. The cooling water system as claimed in claim 1, wherein: the power supply loads of the first circulating pump (2) and the second circulating pump (3) are both set as first-level loads, and power is supplied by double power sources.
3. The cooling water system as claimed in claim 1, wherein: the desalted water storage tank (1) is provided with a water replenishing pipeline (7).
4. The cooling water system as claimed in claim 1, wherein: the lift of the first circulating pump (2) and the lift of the second circulating pump (3) are both 50m, and the pressure of the outlet of the pump is both 0.5MPa (G).
5. The cooling water system as claimed in claim 4, wherein: the low-pressure alarm value is set to be 0.3MPa (G), and the low-pressure alarm value is set to be 0.1MPa (G).
6. The cooling water system as claimed in claim 1, wherein: the inlet temperature of the desalted water as cooling water was set to 30 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830863.XU CN210247126U (en) | 2019-06-04 | 2019-06-04 | Cooling water system of plasma treatment solid waste device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830863.XU CN210247126U (en) | 2019-06-04 | 2019-06-04 | Cooling water system of plasma treatment solid waste device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210247126U true CN210247126U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920830863.XU Active CN210247126U (en) | 2019-06-04 | 2019-06-04 | Cooling water system of plasma treatment solid waste device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210247126U (en) |
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2019
- 2019-06-04 CN CN201920830863.XU patent/CN210247126U/en active Active
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Effective date of registration: 20211018 Address after: 400084 Building 5, No. 32, Siyuan Road, Dadukou District, Chongqing (second and third floors) Patentee after: Chongqing new ion Environmental Technology Co.,Ltd. Address before: Room 303-306, 3 / F, Zhongchuang Plaza, 385 Hangtian Middle Road, Xi'an national civil aerospace industry base, Shaanxi 710100 Patentee before: XI'AN AERO-SPACE ENGINE & SMART MANUFACTURING INSTITUTE Co.,Ltd. |