Transfer tank with hot air heating device

Abstract

The utility model relates to the technical field of storage tanks, and particularly discloses a transfer tank with a hot air heating device. Comprising feeding equipment, temperature measuring equipment, a fluidizing device, a gas supply device, a gas heating device and a control system, the feeding equipment is connected to the bottom of the transfer tank and is used for conveying and feeding the solid powder; the temperature measuring equipment is arranged in the transfer tank and is used for measuring the temperature of the solid powder; the fluidizing device is arranged in the transfer storage tank, is connected with the air supply device and is used for introducing air into the transfer storage tank to enable the solid powder to be in a fluidized state; the gas heating device is arranged on the gas supply device and is used for heating gas flow; and the control system is in electric signal connection with the feeding equipment, the temperature measuring equipment, the gas supply device and the gas heating device. According to the utility model, the solid powder in the transfer tank is in a flowing state by utilizing hot air flow, and the solid powder is uniformly heated after the solid powder fully flows, so that the phenomenon of moisture absorption caking or accumulation is eliminated through heating, and the reliability and the safety of solid powder conveying are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of storage tank, specifically disclose a kind of with hot air heating device's transfer tank. BACKGROUND

[0002] Storage tank is generally used for storing powder solid, liquid or gas steel sealed container, steel storage tank is petroleum, chemical, grain and oil, food, fire control, transportation, metallurgy, national defense and other industries indispensable, important infrastructure, steel storage tank in the important role in national economic development is irreplaceable. Steel storage tank is the special equipment for storing various liquid (or gas, or powder solid) raw materials and finished products. For many enterprises, without storage tank, normal production is impossible, especially the national strategic reserves cannot do without various capacity and type of storage tank.

[0003] However, in the operation process of storage tank, especially in the operation process of powder solid transfer tank, due to the influence of powder solid itself or external conveying air flow, it is easy to accumulate and caking in the storage or conveying process, which leads to difficult conveying. In order to solve this problem, a new type of transfer tank is developed. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiency of prior art, and provides a kind of with hot air heating device's transfer tank.

[0005] The utility model discloses a kind of with hot air heating device's transfer tank, using following technical scheme:

[0006] A kind of with hot air heating device's transfer tank, the transfer tank is used to store solid powder, further include: feeding equipment, temperature measuring equipment, fluidization device, gas supply device, gas heating device and control system;The feeding equipment is connected at the bottom of transfer tank, for conveying solid powder feeding;The temperature measuring equipment is arranged in transfer tank, for measuring the temperature of solid powder;The fluidization device is arranged in transfer tank, and is connected with the gas supply device, for leading gas to transfer tank to make solid powder into fluidized state;The gas heating device is arranged on gas supply device, for heating air flow;The control system is connected with feeding equipment, temperature measuring equipment, gas supply device, gas heating device electric signal.

[0007] Preferably, it further includes electric heating device, and the electric heating device is arranged on the outer wall of the transfer tank.

[0008] Preferably, the transfer tank includes tank body section and tank bottom section, the tank body section is cylindrical, the tank bottom section is inverted conical, and the temperature measuring equipment, fluidization device and electric heating device are arranged in the inverted conical tank bottom section of transfer tank.

[0009] Preferably, the gas heating device is a steam heat exchanger, and a drain valve is arranged on the steam heat exchanger.

[0010] Preferably, the gas supply device comprises a gas source, a gas supply pipe for connecting the gas source with the fluidizing device, and a pneumatic regulating valve arranged on the gas supply pipe and electrically connected with the control system.

[0011] Preferably, the fluidizing device comprises an annular pipe arranged in the transfer tank, and a plurality of gas flow nozzles are connected to the annular pipe.

[0012] Preferably, the gas flow nozzle is a rectangular box, and a honeycomb hole with a hole diameter of 3-5 mm is arranged at an end of the box.

[0013] Preferably, the feeding device comprises a feeding pipe connected with the bottom of the transfer tank, a pneumatic flap valve arranged on the feeding pipe, and a feeder, and the pneumatic flap valve and the feeder are electrically connected with the control system.

[0014] Compared with the prior art, the utility model at least has the beneficial effects that:

[0015] The utility model discloses a transfer tank with a hot gas flow heating device, which comprises a transfer tank, a feeding device, a temperature measuring device, a fluidizing device, a gas supply device, a gas heating device and a control system. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole schematic view of the transfer tank with the hot gas flow heating device of the utility model;

[0017] Fig. 2 It is a gas flow nozzle schematic view of the transfer tank with the hot gas flow heating device of the utility model;

[0018] Fig. 3 It is a gas heating device schematic view of the transfer tank with the hot gas flow heating device of the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, transfer tank;2, feeding pipe;21, pneumatic flap valve;22, feeder;3, temperature measuring device;4, annular pipe;41, gas flow nozzle;5, gas source;51, gas supply pipe;52, pneumatic regulating valve;53, manual stop valve;6, steam heat exchanger;61, steam inlet pipe;62, steam outlet pipe;63, drain valve;7, control system;8, electric heating device. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and understandable, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0022] The present embodiment discloses a kind of with hot air heating device's transfer tank, refer to Figs. 1-3 It includes: transfer tank 1, feeding equipment, temperature measuring equipment 3, fluidizing device, gas supply device, gas heating device and control system 7.

[0023] Transfer tank 1 is used to store solid powder, specifically, the transfer tank is steel tank, which includes top tank body segment and bottom tank bottom segment connected, tank body segment is cylindrical, tank bottom segment is inverted conical.

[0024] Feeding equipment is connected at the bottom of transfer tank 1, for conveying solid powder feeding, specifically, feeding equipment includes feeding pipe 2 connected with the bottom of transfer tank 1, pneumatic plug valve 21 and feeder 22 arranged on feeding pipe 2, after the start of feeder 22, pneumatic plug valve 21 opens, solid powder is conveyed under the action of high-pressure fan, wherein, pneumatic plug valve 21, feeder 22 and control system 7 are electrically connected.

[0025] Temperature measuring equipment 3 is arranged in the inverted conical tank bottom segment of transfer tank 1, for measuring the temperature of solid powder, temperature measuring equipment 3 and control system 7 are electrically connected.

[0026] Fluidizing device is arranged in the inverted conical tank bottom segment of transfer tank 1 and connected with gas supply device, for guiding gas into transfer tank 1 to make solid powder in fluidized state, specifically, fluidizing device includes annular pipe 4 arranged in the transfer tank, a plurality of air flow nozzles 41 are arranged on annular pipe 4 at intervals, air flow nozzle 41 is rectangular box, and the end of the box is provided with honeycomb hole with a hole diameter of 3-5mm, so that the air flow is more uniformly dispersed into the transfer tank 1.

[0027] Gas heating device is arranged on gas supply device, for heating air flow, specifically, gas supply device includes gas source 5, gas supply pipe 51 connecting gas source 5 and fluidizing device, and pneumatic regulating valve 52 and manual stop valve 53 arranged on gas supply pipe 51, pneumatic regulating valve 52 and control system 7 are electrically connected; gas heating device is steam heat exchanger 6, steam heat exchanger 6 is arranged on gas supply pipe 51 and connected with steam inlet pipe 61 and steam outlet pipe 62, the steam source of steam heat exchanger 6 is steam with certain pressure (about 1.0MPa) and temperature (about 250℃), the air medium is heated and warmed by steam to form hot air flow, steam heat exchanger 6 is provided with trap 63, trap 63 is used to discharge condensate in the pipeline heated by steam to the outside of the pipeline.

[0028] As a preferred solution, the outer wall of the reverse-cone bottom section of the transfer tank 1 is further provided with a plurality of electric heating devices 8, which can heat the solid powder in the transfer tank 1, thereby further avoiding the problem of moisture absorption and caking of the solid powder.

[0029] The gas flow of the gas supply device of the present solution has a certain pressure (about 0.5 MPa) and temperature (about 20℃), and the temperature of the gas flow is further increased after absorbing heat in the steam heat exchanger. The high-temperature gas flow can fluidize the solid powder on one hand, and improve the smoothness of the solid powder conveying on the other hand. Meanwhile, the solid powder is heated while being fluidized, and the phenomenon of uneven heating of the electric heating device 8 of the reverse-cone bottom section is effectively overcome. After the solid powder is fully fluidized, it is uniformly heated to eliminate the accumulation and caking of the solid powder, thereby ensuring safe and smooth conveying.

[0030] The control system of the present solution is a DCS control system 7, and signals are taken from the opening degree of the pneumatic regulating valve 52, the start and stop of the feeder 22, the opening and closing of the pneumatic plug valve 21, the measuring points of the temperature measuring device 3 and the electric heater device 8. When the feeder 22 is started, the pneumatic regulating valve 52 is opened, and the solid powder is heated to not less than 30℃, then the pneumatic plug valve 21 is opened, and the solid powder starts to be conveyed under the action of the high-pressure fan, thereby realizing automatic control and improving the reliability and safety of the solid powder conveying.

[0031] The above describes the technical solutions provided by the present application in detail, and the principles and implementation modes of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, the specific implementation modes and application ranges will be changed according to the idea of the present application, and the above description should not be understood as a limitation of the present application.

Claims

1. A holding tank with hot gas heating means, said holding tank being used for storing solid powder, characterized in that, Also comprising: The feeding device is connected at the bottom of the holding tank for feeding solid powder; the temperature measuring device is arranged in the holding tank for measuring the temperature of the solid powder; the fluidizing device is arranged in the holding tank and connected with the air supply device for introducing air into the holding tank to make the solid powder in a fluidized state; the air heating device is arranged on the air supply device for heating the air flow; and the control system is electrically connected with the feeding device, the temperature measuring device, the air supply device and the air heating device.

2. The holding tank with hot air heating according to claim 1, characterized in that The electric heating device is arranged on the outer wall of the holding tank.

3. The holding tank with hot air heating according to claim 2, characterized in that The holding tank comprises a tank body section and a tank bottom section, the tank body section is cylindrical, and the tank bottom section is inverted conical; the temperature measuring device, the fluidizing device and the electric heating device are arranged in the inverted conical tank bottom section of the holding tank.

4. The dump tank with hot air heating according to claim 1, characterized in that, The air heating device is a steam heat exchanger, and a drain valve is arranged on the steam heat exchanger.

5. The dump tank with hot air heating according to claim 1, characterized in that, The air supply device comprises an air source, an air supply pipe for connecting the air source with the fluidizing device, and a pneumatic regulating valve arranged on the air supply pipe, and the pneumatic regulating valve is electrically connected with the control system.

6. The dump tank with hot air heating according to claim 1, characterized in that, The fluidizing device comprises an annular pipe arranged in the holding tank, and a plurality of air flow nozzles are connected on the annular pipe.

7. The dump tank with hot air heating according to claim 6, characterized in that The air flow nozzle is a rectangular box, and the box end is provided with a honeycomb hole with a hole diameter of 3-5mm.

8. The dump tank with hot air heating according to claim 1, characterized in that, The feeding device comprises a feeding pipe connected with the bottom of the holding tank, a pneumatic plug valve arranged on the feeding pipe and a feeder, and the pneumatic plug valve and the feeder are electrically connected with the control system.

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