Dry production cement kiln for active lime powder

Abstract

The utility model relates to the technical field of cement production equipment, and discloses an active lime powder dry production cement kiln which comprises a drying mechanism and a purifying mechanism, the drying mechanism comprises a bottom plate, a base is fixedly connected to the top of the bottom plate, a kiln cylinder is fixedly connected to the top of the base, a rotating rod is rotationally connected into the kiln cylinder, a motor is fixedly connected to the left side of the rotating rod, spiral stirring blades are fixedly connected to the surface of the rotating rod, and a feeding frame is fixedly connected to the top of the kiln cylinder. A filter screen is fixedly connected to the joint of the feeding frame and the kiln cylinder, a frame cover is connected to the top of the feeding frame in a clamped mode, a connecting plate is fixedly connected to the right side of the kiln cylinder, a heater is fixedly connected to the top of the connecting plate, and air conveying pipes are fixedly connected to the top and the right side of the heater. According to the active lime powder dry production cement kiln, through cooperation of the motor and the spiral stirring blades, lime powder is evenly mixed and pushed in the kiln cylinder, and the drying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production equipment technical field, concretely is a kind of active lime powder dry process production cement kiln. BACKGROUND

[0002] In the cement production process, active lime powder is one of important raw materials, and its drying effect directly affects the subsequent production process and product quality.

[0003] Traditional active lime powder dry process production cement kiln in drying process, there is often uneven drying problem, leading to part of lime powder overdrying and part is underdrying, which not only affects the uniformity and stability of product, but also increases energy consumption. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of active lime powder dry process production cement kiln to solve the problems raised in the above background.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: a kind of active lime powder dry process production cement kiln, including drying mechanism, the drying mechanism top is provided with purification mechanism;

[0006] The drying mechanism includes bottom plate, the bottom plate top is fixedly connected with base, the base top is fixedly connected with kiln cylinder, the kiln cylinder is rotatably connected with rotating rod in, the rotating rod left side is fixedly connected with motor, the rotating rod surface is fixedly connected with helical stirring vane, the kiln cylinder top is fixedly connected with feed frame, the feed frame and kiln cylinder junction is fixedly connected with filter screen, the feed frame top is clampedly connected with frame cover, the kiln cylinder right side is fixedly connected with connecting plate, the connecting plate top is fixedly connected with heater, the heater top and right side are fixedly connected with air conveying pipe.

[0007] Preferably, the bottom plate bottom four corners are fixedly connected with support leg, and the motor is fixedly connected to the left side of the kiln cylinder.

[0008] Further, the bottom plate bottom four corners are installed with support leg, for supporting the whole drying mechanism, to ensure the stability and bearing capacity of structure, at the same time, the motor is fixedly connected to the left side of the kiln cylinder, to provide power for the rotating rod in the kiln cylinder, so that it can rotate and drive helical stirring vane to mix and stir operation.

[0009] Preferably, the kiln cylinder right side is fixedly connected with discharge pipe, and the discharge pipe is provided with on-off valve.

[0010] Further, the kiln cylinder right side is connected with a discharge pipe, for discharging the dried material from the kiln cylinder, and the discharge pipe is installed with on-off valve, to conveniently control the discharge time and flow of material, to ensure the flexibility and controllability of production process.

[0011] Preferably, two said air conveying pipes are respectively communicated with the right top and the right bottom of the kiln cylinder.

[0012] Further, the heater delivers hot air into the kiln cylinder through two air conveying pipes, one of which is connected to the right top of the kiln cylinder and the other is connected to the right bottom of the kiln cylinder, so that the hot air can be evenly distributed in the kiln cylinder, improving the drying efficiency and effect.

[0013] Preferably, the purification mechanism comprises an exhaust pipe, a support is fixedly connected to the top of the exhaust pipe, a baffle is fixedly connected to the top of the support, and a zeolite adsorption layer, an activated alumina adsorption layer and an activated carbon adsorption layer are arranged in the exhaust pipe from bottom to top.

[0014] Preferably, a threaded hole is formed in the middle of the frame cover, and the bottom of the exhaust pipe is threadedly connected in the threaded hole formed in the middle of the frame cover.

[0015] Further, a threaded hole is formed in the middle of the frame cover, and the bottom of the exhaust pipe is fixed in the threaded hole of the frame cover through threaded connection, so that the purification mechanism can be conveniently installed and disassembled, and the sealing between the exhaust pipe and the frame cover is ensured to prevent gas leakage.

[0016] Preferably, four supports are arranged, and the four supports are respectively arranged in a circumferential array at the top of the exhaust pipe and the bottom of the baffle.

[0017] Further, four supports are arranged at the top of the exhaust pipe, and the four supports are respectively arranged at the top of the exhaust pipe and the bottom of the baffle in a circumferential array, so that the structural stability and load-bearing capacity of the purification mechanism can be ensured.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] Firstly, the frame cover is opened, the activated lime powder after preliminary treatment is added into the kiln cylinder through the feeding frame, the large impurities or foreign matters in the material are filtered through the fixed filter screen at the connection between the feeding frame and the kiln cylinder, the frame cover is closed to ensure that no material leaks during the drying process, the motor is started, the motor starts to rotate to drive the rotating rod and the spiral stirring blade to rotate in the kiln cylinder, the spiral stirring blade uniformly mixes and pushes forward the lime powder to ensure uniform drying effect, the heater is started, the heater starts to work to generate hot air, the hot air enters the kiln cylinder through the two air conveying pipes to dry the lime powder, when the lime powder in the kiln cylinder reaches the expected drying degree, the heater and the motor are turned off, the switch valve in the discharge pipe is opened to discharge the dried lime powder from the kiln cylinder, and the discharge speed is controlled to avoid material accumulation or blockage.

[0020] Second, the utility model discloses in the drying process, the moisture in lime powder is evaporated and forms waste gas, and the waste gas enters the purification mechanism through the opening at the top of the kiln cylinder, and the zeolite adsorption layer, the activated alumina adsorption layer and the activated carbon adsorption layer in the purification mechanism are sequentially adsorbed to the waste gas, remove harmful substances such as particulate matter, sulfur dioxide, nitrogen oxides etc. in it, and the air that purifies is discharged through the opening at the top of the exhaust pipe, which can effectively remove harmful substances in the waste gas generated in the drying process, and reduces the effect of environmental pollution. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the whole structure schematic diagram of the utility model;

[0023] Figure 3 It is the whole structure schematic diagram of the utility model;

[0024] Figure 4 It is the whole structure schematic diagram of the utility model;

[0025] Wherein: 1, drying mechanism;101, bottom plate;102, base;103, kiln cylinder;104, rotating rod;105, motor;106, spiral stirring blade;107, feed frame;108, filter screen;109, frame cover;110, connecting plate;111, heater;112, air conveying pipe;113, discharge pipe;114, on-off valve;2, purification mechanism;201, exhaust pipe;202, support;203, baffle;204, zeolite adsorption layer;205, activated alumina adsorption layer;206, activated carbon adsorption layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] The utility model provides the following technical scheme:

[0028] Embodiment one

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4The utility model provides a kind of active lime powder dry method production cement kiln, including drying mechanism 1, drying mechanism 1 top is provided with purification mechanism 2;

[0030] Drying mechanism 1 includes bottom plate 101, the bottom plate 101 top is fixedly connected with base 102, the base 102 top is fixedly connected with kiln cylinder 103, the kiln cylinder 103 is rotatably connected with rotating rod 104, the rotating rod 104 left side is fixedly connected with motor 105, the rotating rod 104 surface is fixedly connected with helical stirring blade 106, the kiln cylinder 103 top is fixedly connected with feeding frame 107, the feeding frame 107 with kiln cylinder 103 junction is fixedly connected with filter screen 108, the feeding frame 107 top is engagedly connected with frame cover 109, the kiln cylinder 103 right side is fixedly connected with connecting plate 110, the connecting plate 110 top is fixedly connected with heater 111, and the heater 111 top and right side are fixedly connected with air conveying pipe 112.

[0031] Specifically, the bottom plate 101 bottom four corners are fixedly connected with support legs, and the motor 105 is fixedly connected to the left side of the kiln cylinder 103.

[0032] Specifically, the kiln cylinder 103 right side is fixedly connected with discharge pipe 113, and the discharge pipe 113 is provided with on-off valve 114.

[0033] Specifically, the two air conveying pipes 112 away from the heater 111 one end respectively with kiln cylinder 103 right side top and right side bottom are communicated.

[0034] Through the above technical scheme, open the frame cover 109, the active lime powder after preliminary treatment is added into the kiln cylinder 103 through the feeding frame 107, the filter screen 108 fixedly connected with the kiln cylinder 103 junction is used to filter the large impurities or foreign matters in the material, close the frame cover 109 to ensure that there is no material leakage during drying, the internal circuit connection of the motor 105 and the heater 111 is prior art, and here is not too much repetition, start the motor 105, the motor 105 starts to run, drives the rotating rod 104 and the helical stirring blade 106 to rotate in the kiln cylinder 103, the helical stirring blade 106 uniformly mixes and pushes the lime powder forward, ensures that the drying effect is uniform, starts the heater 111, the heater 111 starts to work, generates hot air, the hot air enters the kiln cylinder 103 through the two air conveying pipes 112, and the lime powder is dried, when the lime powder in the kiln cylinder 103 reaches the expected drying degree, the heater 111 and the motor 105 are closed, the on-off valve 114 in the discharge pipe 113 is opened, and the dried lime powder is discharged from the kiln cylinder 103, note to control the discharging speed, avoid material accumulation or blockage, through the cooperation of the motor 105 and the helical stirring blade 106, the lime powder is uniformly mixed and pushed in the kiln cylinder 103, and the drying efficiency is improved.

[0035] Example two

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 Further based on the embodiment one, the purifying mechanism 2 comprises an exhaust pipe 201, a support 202 is fixedly connected to the top of the exhaust pipe 201, a baffle 203 is fixedly connected to the top of the support 202, a zeolite adsorption layer 204, an activated alumina adsorption layer 205 and an activated carbon adsorption layer 206 are arranged in the exhaust pipe 201 from bottom to top.

[0037] Specifically, a threaded hole is formed in the middle of the frame cover 109, and the bottom of the exhaust pipe 201 is threadedly connected in the threaded hole formed in the middle of the frame cover 109.

[0038] Specifically, four supports 202 are arranged, and the four supports 202 are respectively arranged in a circumferential array at the top of the exhaust pipe 201 and the bottom of the baffle 203.

[0039] Through the above technical scheme, in the drying process, the water in the lime powder is evaporated to form waste gas, the waste gas enters the purifying mechanism 2 through the opening at the top of the kiln cylinder 103, and the zeolite adsorption layer 204, the activated alumina adsorption layer 205 and the activated carbon adsorption layer 206 in the purifying mechanism 2 sequentially adsorb and treat the waste gas to remove harmful substances such as particulate matter, sulfur dioxide and nitrogen oxides, and the purified air is discharged through the opening at the top of the exhaust pipe 201, so that the harmful substances in the waste gas generated in the drying process can be effectively removed, and the pollution to the environment is reduced.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, and the scope of the changes, modifications, replacements and variations is defined by the appended claims and their equivalents.

Claims

1. A cement kiln for dry process production of active lime powder, comprising a drying mechanism (1), characterized in that: The drying mechanism (1) top is provided with purification mechanism (2); The drying mechanism (1) includes a bottom plate (101), the bottom plate (101) top fixedly connected with base (102), the base (102) top fixedly connected with kiln cylinder (103), the kiln cylinder (103) inside rotatably connected with the rotating rod (104), the rotating rod (104) left side fixedly connected with motor (105), the rotating rod (104) surface fixedly connected with spiral stirring blade (106), the kiln cylinder (103) top fixedly connected with feed frame (107), the feed frame (107) and kiln cylinder (103) junction fixedly connected with filter screen (108), the feed frame (107) top snap connection with frame cover (109), the kiln cylinder (103) right side fixedly connected with connecting plate (110), the connecting plate (110) top fixedly connected with heater (111), the heater (111) top and right side fixedly connected with air pipe (112).

2. A cement kiln for dry production of active lime powder according to claim 1, characterized in that: The bottom plate (101) bottom four corners fixedly connected with support leg, the motor (105) fixedly connected in the kiln cylinder (103) left side.

3. A dry process cement kiln for producing active lime powder according to claim 1, characterized in that: The kiln cylinder (103) right side fixedly connected with discharge pipe (113), the discharge pipe (113) is provided with switch valve (114) in.

4. A dry process cement kiln for producing active lime powder according to claim 1, characterized in that: Two the air pipe (112) away from the heater (111) one end respectively with kiln cylinder (103) right side top and right side bottom communication.

5. A dry process cement kiln for producing active lime powder according to claim 1, characterized in that: The purification mechanism (2) includes exhaust pipe (201), the exhaust pipe (201) top fixedly connected with support (202), the support (202) top fixedly connected with baffle (203), the exhaust pipe (201) inside from below to above respectively provided with zeolite adsorption layer (204), activated alumina adsorption layer (205) and activated carbon adsorption layer (206).

6. A dry process cement kiln for producing active lime powder according to claim 5, characterized in that: The frame cover (109) middle part is provided with threaded hole, the exhaust pipe (201) bottom screw connection in the threaded hole of frame cover (109) middle part.

7. A dry process cement kiln for producing active lime powder according to claim 5, characterized in that: The support (202) is provided with four, four The support (202) is respectively located in the exhaust pipe (201) top and baffle (203) bottom is circularly arrayed.

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