Energy-saving cellulose etherization device

Abstract

The utility model relates to cellulose etherization device, concretely to an energy -saving cellulose etherization device, including reaction unit, waste heat recovery device, heat abstractor, inside injection device, the waste heat recovery device is located reaction unit middle part, the heat abstractor is located reaction unit bottom left side, the inside injection device is located reaction unit inside, the utility model discloses through the liquid atomization nozzle of upper feed inlet downward sprinkling liquid alkali cellulose, and the etherification agent gas is pre -cooled before entering the tank, and the etherification agent gas is sprayed upwards through the high -pressure nozzle, and the liquid alkali cellulose is in the reaction tank middle part with the stainless steel baffle staggered rotation to increase the gas -liquid contact area and accelerate the reaction rate, and the liquid discharge pipe flows out after reaction, and the heat recovery device is used to absorb the heat generated by gas -liquid reaction to preheat the raw material in the upper feed pipe, and two observation ports are arranged on the tank body to facilitate the observation of the reaction and the cleaning of the inside of the reaction tank.

Description

Technical Field

[0001] This utility model relates to the field of cellulose etherification equipment, and in particular to an energy-saving cellulose etherification equipment. Background Technology

[0002] Cellulose etherification is a core process for the high-value utilization of cellulose, and its products are widely used in building materials, pharmaceuticals, food, oil drilling, and textiles. In the building materials industry, cellulose ethers act as thickeners, significantly improving the workability of putty and tile adhesives; in the pharmaceutical field, they are used as drug sustained-release carriers and tablet adhesives; in the food industry, they serve as stabilizers and emulsifiers; in oil drilling fluid treatment agents, they effectively control mud rheology; and in the textile industry, they are used for yarn sizing and fabric finishing.

[0003] As disclosed in the patent announcement CN210496382U, an energy-saving cellulose etherification device includes a main body, a first stirring mechanism, and a controller. The main body includes an etherification chamber and a water bath chamber. The first stirring mechanism is installed inside the etherification chamber and includes a dust cover, a first rotating shaft, a stirring rod, a baffle, a first bevel gear, a first motor, a fan blade, and a second bevel gear. A second stirring mechanism is installed at one end of the main body and includes stirring blades, a second rotating shaft, a belt, a third rotating shaft, a second motor, and rollers. An electric heating tube and a temperature sensor are installed inside the water bath chamber. A condensation mechanism is installed on one side of the main body and includes an air inlet, a water tank, and a serpentine tube. A controller is installed on one side of the top of the main body. However, during use, it suffers from problems. Therefore, we propose an energy-saving cellulose etherification device to solve the problems of slow etherification reaction rate, low etherifying agent utilization rate, and high energy consumption per unit output in traditional cellulose etherification devices. Utility Model Content

[0004] The purpose of this invention is to provide an energy-saving cellulose etherification device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An energy-saving cellulose etherification device includes a reaction unit, a waste heat recovery unit, a heat dissipation unit, and an internal spraying unit. The waste heat recovery unit is located in the middle external section of the reaction unit; the heat dissipation unit is located on the left side of the bottom end of the reaction unit; and the internal spraying unit is located inside the reaction unit. The reaction unit includes a tank top, a tank body, a tank bottom, a control module, a lower observation window, an upper observation window, a hinge, a motor protective shell, a motor, a support column, an upper feed pipe, a lower feed pipe, a discharge pipe, and a handle. The tank top is fixedly installed on the upper end of the tank body, and the tank bottom is fixedly installed on the bottom end of the tank body. The control module... Fixedly installed on the right side of the middle of the tank body, the lower observation window is rotatably connected to the tank body via a hinge, the handle is fixedly installed on the right end of both the lower and upper observation windows, the upper observation window is rotatably connected to the tank body via a hinge, the motor protective shell is fixedly installed on the top of the tank, the motor is fixedly installed on the top of the tank and located inside the motor protective shell, the support column is fixedly installed on the bottom of the tank, the bottom of the tank is fixedly installed on the top of the support column, the upper feed pipe is fixedly installed on the left side of the top of the tank, the lower feed pipe is fixedly installed on the left side of the bottom of the tank, and the discharge pipe is fixedly installed at the bottom of the tank and extends to the right.

[0007] Preferably, the waste heat recovery device includes a metal shell, a heat conduction pipe, and a heat dissipation pipe. The metal shell is fixedly installed in the middle section of the outside of the tank, and the metal shell is located between the upper observation window and the lower observation window.

[0008] Preferably, the heat dissipation device includes a heat dissipation box, a heat dissipation box door, a heat dissipation box door handle, a heat dissipation box door hinge, a vent, heat dissipation fins, and a heat dissipation fan. The heat dissipation box is fixedly installed outside the lower feed pipe, and the heat dissipation box door is rotatably connected to the heat dissipation box via the heat dissipation box door hinge.

[0009] Preferably, the internal spraying device includes a dripping layer, a liquid atomizing nozzle, a rotating shaft, a stainless steel baffle, a nozzle extension rod, and a high-pressure nozzle. The dripping layer is fixedly installed at the top of the tank, and one end of the rotating shaft is connected to the output end of a motor.

[0010] Preferably, the heat-conducting pipe is fixedly installed on the left side of the metal casing and its upper end is connected to the upper feed pipe, and the heat dissipation pipe is fixedly installed inside the upper feed pipe and connected to the heat-conducting pipe.

[0011] Preferably, the heat sink door handle is fixedly installed on the right end of the heat sink door, the vent is fixedly installed in the middle of the heat sink door and the back of the heat sink, the heat sink fins are fixedly installed inside the heat sink, and the cooling fan is fixedly installed inside the heat sink and located behind the heat sink fins.

[0012] Preferably, the liquid atomizing nozzle is spherically shaped and fixedly installed at the bottom of the droplet layer, the stainless steel baffle is fixedly installed at the bottom of the rotating shaft, the nozzle extension rod is fixedly installed at the right end of the lower feed pipe extending outward, and the high-pressure nozzle is uniformly fixedly installed on the upper part of the nozzle extension rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This energy-saving cellulose etherification device injects liquid alkalized cellulose into the dripping layer at the top of the tank through an upper feed pipe, and sprays the liquid alkalized cellulose downward through a liquid atomizing nozzle; the lower feed pipe pre-cools the etherifying agent gas before it enters the tank through heat dissipation fins and a cooling fan in a heat dissipation box. The pre-cooled etherifying agent gas is sprayed upward through a high-pressure nozzle and reacts with the liquid alkalized cellulose in the middle of the tank using stainless steel baffles that rotate vertically to increase the gas-liquid contact area, thereby accelerating the reaction rate and reducing the reaction time. At the same time, the metal shell in the middle of the tank absorbs the heat generated by the gas-liquid reaction in the middle of the tank, which is used to preheat the liquid alkalized cellulose in the upper feed pipe. This solves the problems of slow etherification reaction rate, low etherifying agent utilization rate and high energy consumption per unit output in traditional cellulose etherification devices.

[0015] 2. This energy-saving cellulose etherification device has upper and lower observation windows on the tank body to facilitate observation of the reaction and to facilitate cleaning and maintenance of the tank body. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a partial schematic diagram of the heat dissipation device of this utility model;

[0019] Figure 4 This is a partial schematic diagram of the reaction device of this utility model.

[0020] In the diagram: 1. Reaction apparatus; 100. Tank top; 101. Tank body; 102. Tank bottom; 103. Control module; 104. Lower observation window; 105. Upper observation window; 106. Hinge; 107. Motor protective shell; 108. Motor; 109. Support column; 110. Upper feed pipe; 111. Lower feed pipe; 112. Discharge pipe; 113. Handle; 2. Waste heat recovery device; 200. Metal casing; 20 1. Heat pipe; 202. Heat dissipation pipe; 3. Heat dissipation device; 300. Heat dissipation box; 301. Heat dissipation box door; 302. Heat dissipation box door handle; 303. Heat dissipation box door hinge; 304. Ventilation opening; 305. Heat dissipation fins; 306. Heat dissipation fan; 4. Internal spray device; 400. Droplet layer; 401. Liquid atomizing nozzle; 402. Rotating shaft; 403. Stainless steel baffle; 404. Nozzle extension rod; 405. High-pressure nozzle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 As shown, this utility model provides a technical solution:

[0023] An energy-saving cellulose etherification device includes a reaction device 1, a waste heat recovery device 2, a heat dissipation device 3, and an internal spraying device 4. The waste heat recovery device 2 is located in the middle external section of the reaction device 1, the heat dissipation device 3 is located on the left side of the bottom end of the reaction device 1, and the internal spraying device 4 is located inside the reaction device 1. The reaction device 1 includes: a tank top 100, a tank body 101, a tank bottom 102, a control module 103, a lower observation window 104, an upper observation window 105, a hinge 106, a motor protective shell 107, a motor 108, a support column 109, an upper feed pipe 110, a lower feed pipe 111, a discharge pipe 112, and a handle 113. The tank top 100 is fixedly installed on the upper end of the tank body 101, and the tank bottom 102 is fixedly installed on the bottom end of the tank body 101. The control module 103... The lower observation window 104 is fixedly installed on the right side of the middle part of the tank body 101 and is rotatably connected to the tank body 101 via a hinge 106. The handle 113 is fixedly installed on the right end of the lower observation window 104 and the upper observation window 105. The upper observation window 105 is rotatably connected to the tank body 101 via a hinge 106. The motor protective shell 107 is fixedly installed on the top of the tank top 100. The motor 108 is fixedly installed on the top of the tank top 100 and is located inside the motor protective shell 107. The support column 109 is fixedly installed on the bottom of the tank bottom 102 and the top of the support column 109 is fixedly installed on the bottom of the tank bottom 102. The upper feed pipe 110 is fixedly installed on the left side of the tank top 100. The lower feed pipe 111 is fixedly installed on the left side of the tank bottom 102. The discharge pipe 112 is fixedly installed on the bottom of the tank bottom 102 and extends to the right.

[0024] In this example, preferably, the waste heat recovery device 2 includes a metal shell 200, a heat conduction pipe 201, and a heat dissipation pipe 202. The metal shell 200 is fixedly installed in the middle section of the outside of the tank 101, and the metal shell 200 is located between the upper observation window 105 and the lower observation window 104.

[0025] In this example, preferably, the heat dissipation device 3 includes a heat dissipation box 300, a heat dissipation box door 301, a heat dissipation box door handle 302, a heat dissipation box door hinge 303, a vent 304, heat dissipation fins 305, and a heat dissipation fan 306. The heat dissipation box 300 is fixedly installed outside the lower feed pipe 111, and the heat dissipation box door 301 is rotatably connected to the heat dissipation box 300 through the heat dissipation box door hinge 303.

[0026] In this example, preferably, the internal spraying device 4 includes a dripping layer 400, a liquid atomizing nozzle 401, a rotating shaft 402, a stainless steel baffle 403, a nozzle extension rod 404, and a high-pressure nozzle 405. The dripping layer 400 is fixedly installed at the top of the tank top 100, and one end of the rotating shaft 402 is connected to the output end of the motor 108.

[0027] In this example, preferably, the heat pipe 201 is fixedly installed on the left side of the metal casing 200 and its upper end is connected to the upper feed pipe 110, and the heat dissipation pipe 202 is fixedly installed inside the upper feed pipe 110 and connected to the heat pipe 201.

[0028] In this example, preferably, the heat sink door handle 302 is fixedly installed on the right end of the heat sink door 301, the vent 304 is fixedly installed on the middle of the heat sink door 301 and the back of the heat sink 300, the heat sink fins 305 are fixedly installed inside the heat sink 300, and the cooling fan 306 is fixedly installed inside the heat sink 300 and located behind the heat sink fins 305.

[0029] In this example, preferably, the liquid atomizing nozzle 401 is fixedly installed at the bottom of the droplet layer 400 in the shape of a spherical inner wall, the stainless steel baffle 403 is fixedly installed at the bottom of the rotating shaft 402, the nozzle extension rod 404 is fixedly installed at the right end of the lower feed pipe 111, and the high-pressure nozzle 405 is evenly fixedly installed on the upper part of the nozzle extension rod 404.

[0030] In this embodiment, an energy-saving cellulose etherification device is used. Liquid alkalized cellulose is poured into the dripping layer 400 at the top of the tank 101 through the upper feed pipe 110 and sprayed downwards through the liquid atomizing nozzle 401. The lower feed pipe 111 pre-cools the etherifying agent gas before it enters the tank through the heat dissipation fins 305 and the cooling fan 306 in the heat dissipation box 300. The pre-cooled etherifying agent gas is sprayed upwards through the high-pressure nozzle 405 and reacts with the liquid alkalized cellulose in the middle of the tank 101 using stainless steel baffles 403 that rotate in staggered layers to increase the gas-liquid contact area, thereby accelerating the reaction rate and reducing the reaction time. At the same time, the metal shell 200 in the middle of the tank 101 absorbs the heat generated by the gas-liquid reaction in the middle of the tank 101 to preheat the liquid alkalized cellulose in the upper feed pipe 110. This solves the problems of slow etherification reaction rate, low etherifying agent utilization rate and high energy consumption per unit output in traditional cellulose etherification devices.

[0031] The upper observation window 105 and the lower observation window 104 on the tank 101 facilitate the observation of the reaction and the cleaning and maintenance of the inside of the tank 101.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An energy-saving cellulose etherification device, comprising a reaction device (1), a waste heat recovery device (2), a heat dissipation device (3), and an internal injection device (4), characterized in that: The waste heat recovery device (2) is located in the middle section outside the reaction device (1), the heat dissipation device (3) is located on the left side of the bottom end of the reaction device (1), and the internal spray device (4) is located inside the reaction device (1). The reaction device (1) includes: a tank top (100), a tank body (101), a tank bottom (102), a control module (103), a lower observation window (104), an upper observation window (105), a hinge (106), a motor protective shell (107), a motor (108), a support column (109), an upper feed pipe (110), a lower feed pipe (111), a discharge pipe (112), and a handle (113). The tank top (100) is fixedly installed on the upper end of the tank body (101), the tank bottom (102) is fixedly installed on the bottom end of the tank body (101), the control module (103) is fixedly installed on the right side of the middle part of the tank body (101), and the lower observation window (104) is fixedly installed on the right side of the middle part of the tank body (101). 04) The handle (113) is rotatably connected to the tank body (101) via a hinge (106). The handle (113) is fixedly installed on the right end of the lower observation window (104) and the upper observation window (105). The upper observation window (105) is rotatably connected to the tank body (101) via a hinge (106). The motor protective shell (107) is fixedly installed on the top of the tank top (100). The motor (108) is fixedly installed on the top of the tank top (100) and... And located inside the motor protective shell (107), the support column (109) is fixedly installed at the bottom of the tank bottom (102), the tank bottom (102) is fixedly installed at the top of the support column (109), the upper feed pipe (110) is fixedly installed on the left side of the tank top (100), the lower feed pipe (111) is fixedly installed on the left side of the tank bottom (102), and the discharge pipe (112) is fixedly installed at the bottom end of the tank bottom (102) and extends to the right.

2. The energy-saving cellulose etherification device according to claim 1, characterized in that: The waste heat recovery device (2) includes: an integrated metal shell (200), a heat conduction pipe (201), and a heat dissipation pipe (202). The integrated metal shell (200) is fixedly installed in the middle section of the outside of the tank (101), and the integrated metal shell (200) is located between the upper observation window (105) and the lower observation window (104).

3. The energy-saving cellulose etherification device according to claim 1, characterized in that: The heat dissipation device (3) includes a heat dissipation box (300), a heat dissipation box door (301), a heat dissipation box door handle (302), a heat dissipation box door hinge (303), a vent (304), heat dissipation fins (305), and a heat dissipation fan (306). The heat dissipation box (300) is fixedly installed outside the lower feed pipe (111), and the heat dissipation box door (301) is rotatably connected to the heat dissipation box (300) through the heat dissipation box door hinge (303).

4. The energy-saving cellulose etherification device according to claim 1, characterized in that: The internal spraying device (4) includes a dripping layer (400), a liquid atomizing nozzle (401), a rotating shaft (402), a stainless steel baffle (403), a nozzle extension rod (404), and a high-pressure nozzle (405). The dripping layer (400) is fixedly installed at the top of the tank top (100), and one end of the rotating shaft (402) is connected to the output end of the motor (108).

5. The energy-saving cellulose etherification device according to claim 2, characterized in that: The heat pipe (201) is fixedly installed on the left side of the integrated metal shell (200) and its upper end is connected to the upper feed pipe (110). The heat dissipation pipe (202) is fixedly installed inside the upper feed pipe (110) and connected to the heat pipe (201).

6. The energy-saving cellulose etherification device according to claim 3, characterized in that: The heat sink door handle (302) is fixedly installed on the right end of the heat sink door (301), the vent (304) is fixedly installed in the middle of the heat sink door (301) and the back of the heat sink (300), the heat sink fins (305) are fixedly installed inside the heat sink (300), and the cooling fan (306) is fixedly installed inside the heat sink (300) and located behind the heat sink fins (305).

7. The energy-saving cellulose etherification device according to claim 4, characterized in that: The liquid atomizing nozzle (401) is fixedly installed at the bottom of the droplet layer (400) in the shape of a spherical inner wall. The stainless steel baffle (403) is fixedly installed at the bottom of the rotating shaft (402). The nozzle extension rod (404) is fixedly installed at the right end of the lower feed pipe (111). The high-pressure nozzle (405) is evenly fixedly installed on the upper part of the nozzle extension rod (404).

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