Spray granulator for piezoresistor production

Abstract

The utility model discloses a spray granulator for piezoresistor production, which comprises a machine body, the machine body comprises a spray granulation chamber, a granulation grading chamber and a drying chamber, and the spray granulation chamber is connected with a first hot air circulating system and a spray mechanism. The first hot air circulating system comprises a first air inlet, a first heating device and a first circulating fan which are sequentially arranged in the air inlet direction of the spray granulation chamber, and further comprises a first exhaust device and a first heat exchanger which are sequentially arranged in the air outlet direction of the spray granulation chamber. The first heat exchanger is connected with the first air inlet, granulation materials are subjected to grading treatment through the grading mechanism, and the production requirement of the high-performance piezoresistor can be met; the design of two hot air circulating systems and heat exchangers is adopted, so that heat energy is recycled, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray granulation equipment field especially relates to a pressure sensitive resistance production is with spray granulator. BACKGROUND

[0002] The spray granulator in the production of pressure sensitive resistance is a key equipment, mainly used for making pressure sensitive resistance material into uniform particles, improving production efficiency and product performance.

[0003] The spray granulator in the prior art is various, for example, the patent with the announcement number CN206424910U discloses a kind of mist granulation dryer, including drying box body, high-speed atomizer is installed on drying box body upper end, by increasing placing plate in drying box body interior, since placing plate is uniform mesh structure, so that the particle size of drying out is more uniform, simultaneously, vibration machine is installed in the lower surface of placing plate, since vibration machine generates vibration when working, it can make the particle that falls on the upper of placing plate bounce up and down, facilitate more uniform drying, wind disc is installed in the bottom of drying box body, uniform through-hole is arranged in wind disc, gas flow meter drives second air blower to make hot air pass through through-hole and be transported to drying box body interior.

[0004] The performance of pressure sensitive resistance is closely related to its principle granulation, the spray granulator lacks grading mechanism, cannot well grade processing granulation, greatly influences the performance of pressure sensitive resistance, and the hot air in the interior is directly discharged after granulation, and the utilization rate of energy is low. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of spray granulator for pressure sensitive resistance production, the granulation is graded by grading mechanism, can satisfy the production demand of high-performance pressure sensitive resistance;Two sets of hot air circulation system and heat exchanger are designed, so that heat energy can be recycled, and energy consumption is reduced.

[0006] TECHNICAL SCHEME

[0007] A kind of spray granulator for pressure sensitive resistance production, including body, the body includes spray granulation chamber, granulation grading chamber, drying chamber, the spray granulation chamber is connected with first hot air circulation system and spray mechanism, the first hot air circulation system includes the first air inlet, first heating device, first circulating fan that are sequentially arranged along the air inlet direction of spray granulation chamber, the first hot air circulation system further includes the first exhaust device and first heat exchanger that are sequentially arranged along the air outlet direction of spray granulation chamber, the first heat exchanger is connected with first air inlet.

[0008] Preferably, the spray granulator further comprises a second hot air circulation system, the second hot air circulation system comprising a second air inlet, a second heating device and a second circulating fan arranged in sequence along the air inlet direction of the drying chamber, and further comprising a second air exhaust device and a second heat exchanger arranged in sequence along the air outlet direction of the drying chamber, the second heat exchanger being connected with the first air inlet and the second air inlet simultaneously, and the first heat exchanger being connected with the first air inlet and the second air inlet simultaneously.

[0009] Preferably, control valves are arranged between the second heat exchanger and the first air inlet and the second air inlet, and between the first heat exchanger and the first air inlet and the second air inlet.

[0010] Preferably, the first circulating fan is connected with a first air inlet pipeline, the first air inlet pipeline is connected with a hot air distributor, a filter screen is arranged at the air outlet of the hot air distributor, the hot air distributor is arranged inside the spray granulation chamber and close to the lower end, a discharging space is formed between the hot air distributor and the side wall of the spray granulation chamber, and the discharging space is connected with the granulation grading chamber.

[0011] Preferably, a temporary storage chamber is further arranged between the granulation grading chamber and the drying chamber, and an electromagnetic valve is arranged at the bottom of the temporary storage chamber.

[0012] Preferably, the granulation grading chamber comprises an inclined screen, a guide plate is arranged at the upper end of the screen, and a vibration motor is connected with the screen.

[0013] Preferably, the spraying mechanism comprises a liquid storage tank, the liquid storage tank is connected with a delivery pump, the delivery pump is connected with an atomizing nozzle, and the atomizing nozzle is arranged at the top end of the spray granulation chamber.

[0014] Beneficial effects: the granulation material is subjected to grading treatment through the grading mechanism, so that the production requirement of high-performance pressure sensitive resistors can be met; two sets of hot air circulation systems and heat exchangers are adopted, so that the heat energy can be recycled and the energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the three-dimensional Figure 1 ;

[0016] Figure 2 is the three-dimensional

[0017] Figure 3 is the internal structure Figure 1 ;

[0018] Figure 4 is the internal structure Figure 2 ;

[0019] Figure 5The cross-sectional view of the utility model. DETAILED DESCRIPTION

[0020] In order to make the technical scheme of the present application clearer, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0021] Embodiment 1

[0022] As Figures 1-5 shown, a kind of pressure sensitive resistance production is sprayed granulator, including machine body 1, the machine body 1 includes spray granulation chamber 2, granulation classification chamber 3, drying chamber 8, the spray granulation chamber 2 is connected with first hot air circulation system 4 and spray mechanism 5, the first hot air circulation system 4 includes the first air inlet 41 that is sequentially arranged along spray granulation chamber air inlet direction, first heating device 42, first circulating fan 43, the first hot air circulation system 4 also includes the first exhaust device 44 and first heat exchanger 45 that are sequentially arranged along spray granulation chamber air outlet direction, the first heat exchanger 45 is connected with first air inlet 41.Classification mechanism is handled to granulation material, and the production demand of high-performance pressure sensitive resistance can be met;With the design of hot air circulation system and heat exchanger, heat energy can be recycled, reduces energy consumption, first heat exchanger and second heat exchanger recycle the heat energy in the discharged hot air, and it is effectively saved energy, improves the overall thermal efficiency of equipment.

[0023] In the embodiment, the spray granulator also includes second hot air circulation system 6, second hot air circulation system 6 includes the second air inlet 61 that is sequentially arranged along drying chamber air inlet direction, second heating device 62, second circulating fan 63, the second hot air circulation system 6 also includes the second exhaust device 64 and second heat exchanger 65 that are sequentially arranged along drying chamber air outlet direction, the second heat exchanger 65 is connected with first air inlet and second air inlet simultaneously, and the first heat exchanger is connected with first air inlet and second air inlet simultaneously.Drying chamber also uses hot air circulation system, and the design of multiple stages can ensure that heat energy is fully utilized in each link, while reducing heat loss.Drying chamber is specially used for further drying particles, removes excess moisture in particles, and improves the stability and quality of particles.Second hot air circulation system 6 cooperates with drying chamber to carry out air circulation and heating, so that the drying process can be quickly and effectively completed.

[0024] In the embodiment, the second heat exchanger 65 is provided with a control valve between the first air inlet and the second air inlet and between the first heat exchanger and the first air inlet and the second air inlet.The configuration of the control valve enables the hot air flow to be adjusted as needed, so as to achieve more accurate temperature control and ensure the stability of the quality of particles in the granulation and drying process.

[0025] In the embodiment, the first circulating fan 43 is connected with a first air inlet pipe, the first air inlet pipe is connected with a hot air distributor 46, the air outlet of the hot air distributor is provided with a filter screen, the hot air distributor is arranged inside the spray granulation chamber and close to the lower end, a discharging space is formed between the hot air distributor and the side wall of the spray granulation chamber, the discharging space is communicated with the granulation grading chamber 3, the hot air distributor 46 cooperates with the first circulating fan 43 to ensure that the hot air is uniformly distributed in the granulation chamber, so that the atomized liquid droplets are uniformly affected by the hot air, and the uniformity of the particles and the yield of the finished product are further ensured.

[0026] In the embodiment, a temporary storage chamber 7 is further arranged between the granulation grading chamber 3 and the drying chamber 8, and an electromagnetic valve is arranged at the bottom of the temporary storage chamber 7. The temporary storage chamber 7 is arranged between the granulation grading chamber 3 and the drying chamber 8, and the electromagnetic valve at the bottom can control the flow direction and flow rate of the particles to avoid the accumulation of the particles during the transfer process. This design can better coordinate the rhythm between different processes, improve the production efficiency, and ensure the stability of the drying process and the uniformity of the particles.

[0027] In the embodiment, the granulation grading chamber 3 comprises an inclined screen 31, the upper end of the screen 31 is provided with a guide plate 32, and the screen is connected with a vibration motor. The granulation grading chamber 3 realizes automatic screening of the particles through the inclined screen 31 and the vibration motor. The screen can grade the particles according to the size of the particles, separate the particles meeting the specifications, and ensure that the particle size of the particles is qualified.

[0028] The upper end of the screen is provided with a guide plate 32, which facilitates the uniform distribution of the particles on the screen, thereby improving the grading efficiency. This automatic screening design improves the product quality, reduces the proportion of unqualified particles, and further improves the production efficiency.

[0029] In the embodiment, the spray mechanism 5 comprises a liquid storage tank 51, the liquid storage tank 51 is connected with a delivery pump 52, the delivery pump is connected with an atomizing nozzle 53, and the atomizing nozzle is arranged at the top end of the spray granulation chamber 2. This structure can uniformly atomize the liquid raw material into the spray granulation chamber. This atomizing and spraying method makes the raw material liquid rapidly evaporate and condense into solid particles in the hot air, thereby forming uniform and standard particles that meet the particle quality requirements of the production of the pressure-sensitive resistor.

[0030] The above-described embodiments only express several embodiments of the present application, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A spray granulator for producing a piezoresistor, characterized by: The machine body (1) comprises a spray granulation chamber (2), a granulation classification chamber (3), and a drying chamber (8), the spray granulation chamber (2) is connected with a first hot air circulation system (4) and a spray mechanism (5), the first hot air circulation system (4) comprises a first air inlet (41), a first heating device (42), and a first circulating fan (43) arranged in sequence along the air inlet direction of the spray granulation chamber, the first hot air circulation system (4) further comprises a first exhaust device (44) and a first heat exchanger (45) arranged in sequence along the air outlet direction of the spray granulation chamber, and the first heat exchanger (45) is connected with the first air inlet (41).

2. The spray granulator for producing a piezoresistor according to claim 1, characterized in that: The spray granulator further comprises a second hot air circulation system (6), the second hot air circulation system (6) comprises a second air inlet (61), a second heating device (62), and a second circulating fan (63) arranged in sequence along the air inlet direction of the drying chamber, the second hot air circulation system (6) further comprises a second exhaust device (64) and a second heat exchanger (65) arranged in sequence along the air outlet direction of the drying chamber, the second heat exchanger (65) is connected with the first air inlet and the second air inlet, and the first heat exchanger is connected with the first air inlet and the second air inlet.

3. The spray granulator for producing a piezoresistor according to claim 2, characterized in that: The second heat exchanger (65) and the first heat exchanger are provided with control valves between the first air inlet and the second air inlet.

4. The spray granulator for producing a piezoresistor according to claim 1, characterized in that: The first circulating fan (43) is connected with a first air inlet pipeline, the first air inlet pipeline is connected with a hot air distributor (46), the air outlet of the hot air distributor is provided with a filter screen, the hot air distributor is arranged inside the spray granulation chamber and close to the lower end, a discharging space is formed between the hot air distributor and the side wall of the spray granulation chamber, and the discharging space is connected with the granulation classification chamber (3).

5. The spray granulator for producing a piezoresistor according to claim 1, characterized in that: A temporary storage chamber (7) is further arranged between the granulation classification chamber (3) and the drying chamber (8), and an electromagnetic valve is arranged at the bottom of the temporary storage chamber (7).

6. The spray granulator for producing a piezoresistor according to claim 1, characterized in that: The granulation classification chamber (3) comprises an inclined screen (31), the upper end of the screen (31) is provided with a guide plate (32), and the screen is connected with a vibration motor.

7. The spray granulator for producing a piezoresistor according to claim 1, characterized in that: The spray mechanism (5) comprises a liquid storage tank (51), the liquid storage tank (51) is connected with a conveying pump (52), the conveying pump is connected with an atomizing nozzle (53), and the atomizing nozzle is arranged at the top end of the spray granulation chamber (2).

Images