Environment-friendly waste gas treatment device for sodium carbonate drying machine

Abstract

The utility model relates to an environment-friendly waste gas treatment device for a sodium carbonate dryer. According to the technical scheme, a discharging port of a drying machine is connected with one end of a pipe chain conveyor, the other end of the pipe chain conveyor is connected to a feeding port of a dust remover, a discharging valve is arranged at the lower end of the dust remover, a sodium carbonate storage bin is placed below the discharging valve, a plurality of sets of detachable dust removing bags are arranged in the middle of the dust remover, and an exhaust pipe is arranged on the outer side of the dust remover. The inner end of the detachable dust removal bag is communicated with the exhaust pipe, and a dust collection body is arranged at the lower end of the dust remover. The utility model has the beneficial effects that through the pipe chain conveyor and the dust remover, the dried sodium carbonate salt is conveyed into the dust remover through the closed pipe chain conveyor, the sodium carbonate salt in the dust remover is packed through the blanking valve, and the whole system adopts the cloth bag type dust remover; the dust amount of sodium carbonate salt in the links of feeding, discharging and packaging is effectively controlled, the field environment is greatly improved, and occupational health of workers is protected.

Description

Technical Field

[0001] The utility model relates to a sodium carbonate dust reduction device, in particular to an environmentally friendly treatment device for waste gas from a sodium carbonate dryer. Background Art

[0002] At present, in the combined device that uses sodium methoxide as a catalyst for ester exchange reaction to produce dimethyl carbonate, sodium methoxide is washed with water and carbonized to produce sodium carbonate, and sodium carbonate is filtered to remove propylene glycol. Sodium carbonate containing a small amount of propylene glycol needs to be dried by a rake dryer to recover propylene glycol, and the dried sodium carbonate salt can be sold and disposed of as a product. Sodium carbonate is dried by a rake dryer to form fine powder, which is then conveyed to a collection tank by a conveyor, packaged after cooling, and loaded into the dryer. During the unloading and packaging process, a large amount of sodium carbonate dust will be generated, which will cause a bad on-site environment and easily affect the health of workers. Utility Model Content

[0003] The purpose of the utility model is to provide an environmental protection treatment device for waste gas from a sodium carbonate dryer in view of the above-mentioned defects in the prior art, which reduces the dust concentration in the workplace and protects the occupational health of workers by modifying the process equipment.

[0004] The utility model discloses an environmentally friendly treatment device for waste gas from a sodium carbonate dryer, and the technical scheme thereof is as follows: comprising a dryer (1), a tube chain conveyor (2), a dust collector (3), a discharge valve (4), and a sodium carbonate storage bin (5), wherein the discharge port of the dryer (1) is connected to one end of the tube chain conveyor (2), and the other end of the tube chain conveyor (2) is connected to the feed port of the dust collector (3), the lower end of the dust collector (3) is provided with a discharge valve (4), and the sodium carbonate storage bin (5) is placed below the discharge valve (4), a plurality of groups of detachable dust removal bags (3.2) are provided in the middle of the dust collector (3), an exhaust pipe (3.3) is provided on the outer side of the dust collector (3), and the inner end of the detachable dust removal bag (3.2) is connected to the exhaust pipe (3.3), and the lower end of the dust collector (3) is provided with a dust collector (3.5).

[0005] Preferably, the dust collecting body (3.5) is of a conical structure, and a discharge valve (4) is provided at the lower end of the dust collecting body (3.5).

[0006] Preferably, the dust removal bag (3.2) is provided with a keel (3.2.2) and an end (3.2.1), a plurality of keels (3.2.2) are connected between the two end heads (3.2.1), and a dust removal bag body is mounted on the outside of the keel (3.2.2).

[0007] Preferably, a support base (3.6) is installed at the lower end of the dust collector (3), and a feed port (3.1) is installed at the top of the dust collector (3).

[0008] Preferably, the exhaust pipe (3.3) is equipped with an exhaust pump.

[0009] Preferably, the pipe chain conveyor (2) comprises a pipe (2.1), a transfer plug (2.2), a chain (2.3), a feed pipe (2.4), a discharge port (2.5), and a driving wheel (2.6); the pipe (2.1) is an annular structure; more than one group of transfer plugs (2.2) are arranged in the pipe (2.1); chains (2.3) are arranged on both sides of each group of transfer plugs (2.2); and a driving wheel (2.6) is arranged at the left end of the pipe (2.1).

[0010] Preferably, a feed pipe (2.4) is provided at the upper left portion of the pipeline (2.1), and a discharge port (2.5) is provided at the lower right portion of the pipeline (2.1).

[0011] Preferably, the transfer plug (2.2) is a round cake-shaped structure, and its diameter is smaller than the inner diameter of the pipeline (2.1).

[0012] The beneficial effects of the utility model are as follows: the utility model uses a pipe chain conveyor and a dust collector, and the dried sodium carbonate salt is transported to the dust collector through a closed pipe chain conveyor, and the sodium carbonate salt in the dust collector is packaged through a discharge valve. The entire system adopts a bag-type dust collector, which effectively controls the amount of dust in each link of loading, discharging and packaging of the sodium carbonate salt, greatly improves the on-site environment, and protects the occupational health of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the front structure of the dust collector;

[0015] Figure 3 It is the left side view of the dust collector;

[0016] Figure 4 It is a schematic diagram of the keel and end structure in the dust bag;

[0017] Figure 5 It is a structural diagram of the tube chain conveyor;

[0018] In the above figure: dryer 1, tube chain conveyor 2, dust collector 3, discharge valve 4, sodium carbonate storage bin 5, pipeline 2.1, transfer plug 2.2, chain 2.3, feed pipe 2.4, discharge port 2.5, driving wheel 2.6, feed port 3.1, dust bag 3.2, exhaust pipe 3.3, main body 3.4, dust collector 3.5, support base 3.6, keel 3.2.2 and end 3.2.1. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example 1, reference Figure 1-Figure 3 The utility model mentions a sodium carbonate dryer waste gas environmental protection treatment device, comprising a dryer 1, a pipe chain conveyor 2, a dust collector 3, a discharge valve 4, and a sodium carbonate storage bin 5. The discharge port of the dryer 1 is connected to one end of the pipe chain conveyor 2, and the other end of the pipe chain conveyor 2 is connected to the feed port of the dust collector 3. The lower end of the dust collector 3 is provided with a discharge valve 4, and the sodium carbonate storage bin 5 is placed below the discharge valve 4. A plurality of groups of detachable dust bags 3.2 are provided in the middle of the dust collector 3, an exhaust pipe 3.3 is provided on the outer side of the dust collector 3, and the inner end of the detachable dust bag 3.2 is connected to the exhaust pipe 3.3, and the lower end of the dust collector 3 is provided with a dust collector 3.5.

[0021] The dust collecting body 3.5 is of a conical structure, a discharge valve 4 is provided at the lower end of the dust collecting body 3.5, and the dryer 1 may be a rake dryer.

[0022] Reference Figure 4 The dust bag 3.2 of the utility model is provided with a keel 3.2.2 and an end 3.2.1, a plurality of keels 3.2.2 are connected between the two ends 3.2.1, and a dust bag body is set on the outer side of the keel 3.2.2.

[0023] A support base 3.6 is installed at the lower end of the dust collector 3, and a feed port 3.1 is installed at the top of the dust collector 3.

[0024] Reference Figure 5 The pipe chain conveyor 2 mentioned in the utility model includes a pipe 2.1, a transmission plug 2.2, a chain 2.3, a feed pipe 2.4, a discharge port 2.5, and a driving wheel 2.6. The pipe 2.1 is a ring structure. More than one group of transmission plugs 2.2 are arranged in the pipe 2.1. Chains 2.3 are respectively arranged on both sides of each group of transmission plugs 2.2. A driving wheel 2.6 is arranged at the left end of the pipe 2.1.

[0025] A feed pipe 2.4 is provided at the upper left side of the above-mentioned pipeline 2.1, and a discharge port 2.5 is provided at the lower right side of the pipeline 2.1. The feed pipe 2.4 is connected to the discharge port of the dryer 1, and the discharge port 2.5 is located above the feed port 3.1 of the dust collector 3.

[0026] The transfer plug 2.2 is a round pancake-shaped structure, and its diameter is smaller than the inner diameter of the pipeline 2.1.

[0027] When the utility model is used, sodium carbonate is dried by the rake dryer to form fine powder, which falls into the feeding pipe 2.4 of the tube chain conveyor 2 through the discharge port of the dryer 1, and then the motor drives the driving wheel 2.6 to rotate, so that the sodium carbonate powder is pushed to the top of the dust collector 3 in sequence, and falls into the feeding port 3.1 of the dust collector 3. Since sodium carbonate dust will be generated, at this time, it will be isolated by the dust bag 3.2, and the exhaust gas will be connected to the exhaust pipe 3.3 through the inner cavity of the dust bag 3.2 for discharge, while the sodium carbonate will remain and fall into the dust collecting body 3.5 on the lower side, and then be sent to the sodium carbonate storage bin 5 by controlling the discharge valve 4, so that the dust amount is effectively controlled, the on-site environment is greatly improved, and the occupational health of the workers is protected.

[0028] Embodiment 2, the utility model mentions a sodium carbonate dryer waste gas environmental protection treatment device, comprising a dryer 1, a tube chain conveyor 2, a dust collector 3, a discharge valve 4, and a sodium carbonate storage bin 5, the discharge port of the dryer 1 is connected to one end of the tube chain conveyor 2, and the other end of the tube chain conveyor 2 is connected to the feed port of the dust collector 3, the lower end of the dust collector 3 is provided with a discharge valve 4, and the sodium carbonate storage bin 5 is placed below the discharge valve 4, a plurality of groups of detachable dust bags 3.2 are provided in the middle of the dust collector 3, an exhaust pipe 3.3 is provided on the outer side of the dust collector 3, and the inner end of the detachable dust bag 3.2 is connected to the exhaust pipe 3.3, and the lower end of the dust collector 3 is provided with a dust collector 3.5.

[0029] The difference from Example 1 is:

[0030] The exhaust pipe 3.3 is equipped with an exhaust pump to pump air and improve the efficiency of exhaust gas discharge.

[0031] In addition, side suction hoods can be installed at the feed pipe, discharge port and packaging port on the sodium carbonate storage silo 5 where dust is easily generated to control the amount of dust, which effectively controls the amount of dust, greatly improves the on-site environment, and protects the occupational health of workers.

[0032] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent transformation based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A sodium carbonate dryer waste gas environmental treatment device, characterized by: The invention comprises a dryer (1), a tube chain conveyor (2), a dust collector (3), a discharge valve (4), and a sodium carbonate storage bin (5), wherein the discharge port of the dryer (1) is connected to one end of the tube chain conveyor (2), and the other end of the tube chain conveyor (2) is connected to the feed port of the dust collector (3), the lower end of the dust collector (3) is provided with a discharge valve (4), and the sodium carbonate storage bin (5) is placed below the discharge valve (4), a plurality of groups of detachable dust removal bags (3.2) are provided in the middle of the dust collector (3), an exhaust pipe (3.3) is provided on the outer side of the dust collector (3), and the inner end of the detachable dust removal bag (3.2) is connected to the exhaust pipe (3.3), and the lower end of the dust collector (3) is provided with a dust collector (3.5).

2. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 1 is characterized in that: The dust collecting body (3.5) is of a conical structure, and a discharge valve (4) is provided at the lower end of the dust collecting body (3.5).

3. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 2 is characterized in that: The dust removal bag (3.2) is provided with a keel (3.2.2) and an end (3.2.1), a plurality of keels (3.2.2) are connected between the two end heads (3.2.1), and a dust removal bag body is mounted on the outside of the keel (3.2.2).

4. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 3 is characterized in that: A support seat (3.6) is installed at the lower end of the dust collector (3), and a feed port (3.1) is installed at the top of the dust collector (3).

5. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 4 is characterized in that: The exhaust pipe (3.3) is equipped with an exhaust pump.

6. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 1 is characterized in that: The pipe chain conveyor (2) comprises a pipe (2.1), a transfer plug (2.2), a chain (2.3), a feed pipe (2.4), a discharge port (2.5), and a driving wheel (2.6); the pipe (2.1) is an annular structure; more than one set of transfer plugs (2.2) are arranged in the pipe (2.1); chains (2.3) are arranged on both sides of each set of transfer plugs (2.2); and a driving wheel (2.6) is arranged at the left end of the pipe (2.1).

7. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 6 is characterized in that: A feed pipe (2.4) is provided at the upper left portion of the pipeline (2.1), and a discharge port (2.5) is provided at the lower right portion of the pipeline (2.1).

8. The environmental protection treatment device for sodium carbonate dryer exhaust gas according to claim 7 is characterized in that: The transfer plug (2.2) is a round cake-shaped structure, and its diameter is smaller than the inner diameter of the pipeline (2.1).

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