Pipeline module type tail gas treatment and recovery device suitable for fermentation industry

Abstract

The utility model discloses a pipeline module type tail gas treatment and recovery device suitable for the fermentation industry, which comprises a tail gas pipeline, the tail gas pipeline comprises a tail gas pipeline split body I, a tail gas pipeline split body II and a tail gas pipeline split body III, and a plurality of groups of coarse dust removal mechanisms are arranged at one end part of the tail gas pipeline split body; the coarse dust removal mechanism is detachably connected with one end of the tail gas pipeline split body, a hose is arranged above the coarse dust removal mechanism, the two ends of the hose are detachably connected with the coarse dust removal mechanism and the two ends of the tail gas pipeline split body respectively, and a plurality of dust recycling mechanisms are arranged at the two ends of the tail gas pipeline split body. According to the multi-stage tail gas dust removal and recovery device, multi-stage tail gas dust removal and recovery are adopted, the multi-stage tail gas dust removal and recovery device is directly connected with the reactor, and continuous reaction-dust removal-recovery is achieved, so that dust is recovered during reaction, and the dust recovery rate is greatly increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fermentation technical field, concretely relates to a pipeline module type tail gas treatment recovery device suitable for fermentation industry. BACKGROUND

[0002] In fermentation industry, corn powder, soybean powder and other biological powder are used as raw materials; in some reactions, powdered catalyst or powder feeding is used. Both are indispensable parts in the reaction, but due to their lightness, they move with the airflow during the feeding process and are mixed in the tail gas. In this process, various dust collectors are used to treat the tail gas generated. The dust collector is a device that separates dust from the tail gas. The performance of the dust collector can be measured by the amount of gas, gas pressure drop and dust removal efficiency.

[0003] However, the current tail gas dust collector for both has some shortcomings: (1) cyclone separation or bag dust removal is usually used, which occupies a large area and has high equipment cost. (2) The recovery system of the traditional dust removal equipment is not perfect, which is difficult to recover, introduces impurities and cannot achieve continuous type with the reaction system. (3) The installation and replacement of the traditional dust removal equipment are difficult, and the recovery of dust is time-consuming and laborious.

[0004] Therefore, in view of the shortcomings of tail gas dust removal in fermentation and powder catalysis industry, the utility model makes research and innovation on the shortcomings of the existing equipment and provides a pipeline module type tail gas treatment recovery device suitable for fermentation industry. UTILITY MODEL CONTENT

[0005] In view of the problems of the prior art, the utility model aims to provide a pipeline module type tail gas treatment recovery device suitable for fermentation industry, which is reasonable in design, good in dust removal effect, high in dust recovery rate and small in floor area.

[0006] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0007] A pipeline module type tail gas treatment recovery device suitable for fermentation industry, comprising a tail gas pipeline, wherein the tail gas pipeline comprises tail gas pipeline split body one, tail gas pipeline split body two and tail gas pipeline split body three, the tail gas pipeline split body one end is provided with a plurality of groups of coarse dust removal mechanisms, the coarse dust removal mechanisms are detachably connected with the tail gas pipeline split body one end, a hose is arranged above the coarse dust removal mechanisms, the two ends of the hose are detachably connected with the coarse dust removal mechanisms and the tail gas pipeline split body two end respectively, a plurality of groups of dust recovery mechanisms are arranged at the tail gas pipeline split body two end, and the two ends of the dust recovery mechanisms are detachably connected with the tail gas pipeline split body two and the tail gas pipeline split body three respectively.

[0008] Further, the coarse dust removal mechanism comprises a coarse dust removal pipe, a coarse dust removal plate is internally mounted in the coarse dust removal pipe, a group of filtering holes are formed in the coarse dust removal plate, a liquid descending groove is arranged on the coarse dust removal plate, and an end of the coarse dust removal pipe is connected with an end of the tail gas pipeline through flanges.

[0009] Further, two ends of the hose are respectively connected with the coarse dust removal pipe and the tail gas pipeline part two through flanges.

[0010] Further, the dust recovery mechanism comprises a recovery pipe, a wire mesh interceptor is internally mounted in the recovery pipe, a spray head is arranged above the wire mesh interceptor, the spray head comprises a liquid redistributor, and two ends of the recovery pipe are respectively connected with the tail gas pipeline part two and the tail gas pipeline part three through flanges.

[0011] Further, a gas purging pipe is arranged on the side of the recovery pipe.

[0012] Further, the distance between the dust recovery mechanism and the coarse dust removal mechanism is at least 1 m.

[0013] Further, the number of the coarse dust removal mechanism is determined by the pipe diameter of the tail gas pipeline, the gas flow rate and the dust content.

[0014] Further, an end of the tail gas pipeline part one is connected with the tail gas pipeline of the equipment through flanges, and an end of the tail gas pipeline part three is connected with a heating and ventilation system or a workshop tail gas system.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1) The utility model adopts multi-stage tail gas dust removal and recovery, and is directly connected with a reactor, so that a reaction-dust removal-recovery continuous type is realized, thereby achieving dust recovery while the reaction is carried out, and greatly improving the dust recovery utilization rate.

[0017] 2) Compared with the traditional tail gas dust removal device, the tail gas treatment and recovery device of the utility model is designed on the original tail gas pipeline, does not occupy a site, and the power source can utilize heating and ventilation, tail gas fans and other equipment; the tail gas after dust removal can be directly connected with a tail gas main pipe or a heating and ventilation pipe.

[0018] 3) Compared with the traditional tail gas dust removal device, the tail gas treatment and recovery device of the utility model is designed to the tail gas pipeline, the tail gas pipeline is connected with the reactor, a reaction-dust removal-recovery continuous type is realized, dust (corn powder, catalyst powder) can be directly returned to the reactor, the dust recovery rate is greatly improved, manual work is reduced, the operation cost is reduced, and the benefit is obvious.

[0019] 4) Compared with the traditional tail gas dust removal device, the tail gas treatment and recovery device dust removal device is decomposed into components similar to pry blocks, and exists in the tail gas pipeline through the mode of soft connection or flange connection, which is convenient for maintenance and reduces manual work;

[0020] 5) The tail gas treatment and recovery device improves the dust (corn powder, catalyst powder) recycling rate, thereby improving the reaction yield and reducing the operation cost. The process device realizes continuous reaction-dust removal-recovery, improves the dust (corn powder, catalyst powder) use efficiency, and improves the reaction yield by improving the raw material utilization rate or the catalyst utilization rate, thereby reducing cost and increasing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a device structure schematic view of the utility model;

[0022] Figure 2 It is a coarse dust removal plate structure schematic view of the utility model;

[0023] Figure 3 It is an embodiment 1 structure schematic view.

[0024] In the figure: 1, tail gas pipeline; 11, tail gas pipeline split body one; 12, tail gas pipeline split body two; 13, tail gas pipeline split body three; 2, hose; 3, coarse dust removal plate; 31, filter hole; 32, liquid falling groove; 4, flange; 5, recovery pipe; 6, wire mesh interceptor; 7, spray head; 8, gas purging pipe; 9, coarse dust removal pipe; 10, heating and ventilation system; a, reaction kettle. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and embodiments, but the scope of the utility model is not limited to the range.

[0026] Please refer to Figure 1 A pipeline modular tail gas treatment and recovery device suitable for fermentation industry, comprising a tail gas pipeline 1, the tail gas pipeline 1 includes tail gas pipeline split body one 11, tail gas pipeline split body two 12 and tail gas pipeline split body three 13, the tail gas pipeline split body one 11 end is equipped with several groups of coarse dust removal mechanism, the coarse dust removal mechanism is detachably connected with the tail gas pipeline split body one 11 end, the coarse dust removal mechanism top is equipped with hose 2, and the both ends of the hose 2 are respectively detachably connected with the coarse dust removal mechanism and the tail gas pipeline split body two 12 end, so that the installation of the coarse dust removal mechanism and the whole device is more convenient, the tail gas pipeline split body two 12 end is equipped with several groups of dust recovery mechanism, and the both ends of the dust recovery mechanism are respectively detachably connected with the tail gas pipeline split body two 12 and the tail gas pipeline split body three 13.

[0027] Please refer to Figure 2The coarse dust removal mechanism includes a coarse dust removal pipe 9, inside which a coarse dust removal plate 3 is installed. The coarse dust removal plate 3 has a set of filter holes 31. The coarse dust removal plate 3 is provided with a liquid draining groove 32 for the passage of liquid.

[0028] In this embodiment, the end of the coarse dust removal pipe 9 is connected to the end of the exhaust gas pipe split 11 via flange 4; both ends of the flexible hose 2 are connected to the coarse dust removal pipe 9 and the exhaust gas pipe split 12 via flange 4, respectively, for easy maintenance.

[0029] The dust collection mechanism includes a collection pipe 5, inside which a wire mesh interceptor 6 is installed. A spray head 7 is located directly above the wire mesh interceptor 6. The spray head 7 contains a liquid redistributor, which allows the liquid entering the device to be uniformly mixed with the gas in a counter-current manner.

[0030] In this embodiment, the two ends of the recovery pipe 5 are connected to the exhaust pipe split part 2 12 and the exhaust pipe split part 3 13 respectively through flanges 4.

[0031] The recovery pipe 5 is equipped with a gas purging pipe 8 on its side. When the system stops, the gas purging can be turned on to purge the wire mesh interceptor 8 and the entire system.

[0032] The distance between the dust collection mechanism and the coarse dust removal mechanism is at least 1m, and the gap between the hose 2 and the dust removal mechanism is filled by the exhaust pipe split part 2 12.

[0033] In addition, the number of coarse dust removal units is determined by the diameter of the exhaust gas pipe 1. The end of exhaust gas pipe 11 is connected to the exhaust gas pipe of the equipment through flange 4; the end of exhaust gas pipe 13 is connected to the HVAC system or the workshop exhaust gas system. Example 1

[0034] like Figure 3 As shown, exhaust gas pipe 1 is connected to the exhaust gas pipe on reactor a, and the connection surface is the RF surface. Exhaust gas pipe 1 is connected to the heating, ventilation, and air conditioning system 10.

[0035] The hose 2 is 0.5m long. In this embodiment, there are two dust collection mechanisms, one of which is a wire mesh interceptor with a mesh count of 80. The two dust collection mechanisms are connected by flanges, and the wire mesh interceptors are staggered. There is one coarse dust removal mechanism.

[0036] The exhaust gas treatment process is as follows:

[0037] The quantitative raw material corn flour is added into the reaction kettle a device, at this time the tail gas containing corn flour begins to generate into the tail gas pipeline 1, the spray head 7 is opened synchronously, the reactor adds other materials and water, and the stirring is started, at this time the production amount of the tail gas containing corn flour reaches the peak, and then the region is stable. When the reaction is finished, the spray head 7 is closed, the compressed gas is blown, and the residual water and corn flour in the whole system are blown back to the reactor.

[0038] The wind speed of the tail gas inlet of the embodiment is 8-12 m / S, the processing air volume is 500-1100 m3 / h, the water consumption of the pipeline pry block type tail gas treatment and recovery device is 0.15 t / h, the equipment resistance is 120-200 Pa, the overall dust removal efficiency is >98%, the recycling rate is 100%. The overall total weight of the device is 75 kg, and the installation time is <0.5 h.

Claims

1. A pipeline modular tail gas treatment and recovery device suitable for fermentation industry, comprising a tail gas pipeline (1), the tail gas pipeline (1) comprising a tail gas pipeline split body one (11), a tail gas pipeline split body two (12) and a tail gas pipeline split body three (13), characterized in that The end of the tail gas pipeline part one (11) is provided with a plurality of groups of coarse dust removal mechanisms, the coarse dust removal mechanisms are detachably connected with the end of the tail gas pipeline part one (11), a hose (2) is arranged above the coarse dust removal mechanisms, the two ends of the hose (2) are detachably connected with the coarse dust removal mechanisms and the end of the tail gas pipeline part two (12) respectively, the end of the tail gas pipeline part two (12) is provided with a plurality of groups of dust recovery mechanisms, and the two ends of the dust recovery mechanisms are detachably connected with the tail gas pipeline part two (12) and the tail gas pipeline part three (13) respectively.

2. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 1, wherein The coarse dust removal mechanism comprises a coarse dust removal pipe (9), a coarse dust removal plate (3) is arranged in the coarse dust removal pipe (9), a group of filter holes (31) are formed in the coarse dust removal plate (3), a liquid descending groove (32) is arranged on the coarse dust removal plate (3), and the end of the coarse dust removal pipe (9) is connected with the end of the tail gas pipeline part one (11) through a flange (4).

3. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 2, wherein The two ends of the hose (2) are connected with the coarse dust removal pipe (9) and the tail gas pipeline part two (12) through flanges (4) respectively.

4. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 1, wherein The dust recovery mechanism comprises a recovery pipe (5), a wire mesh interceptor (6) is arranged in the recovery pipe (5), a spray head (7) is arranged directly above the wire mesh interceptor (6), the spray head (7) comprises a liquid redistributor, and the two ends of the recovery pipe (5) are connected with the tail gas pipeline part two (12) and the tail gas pipeline part three (13) through flanges (4) respectively.

5. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 4, wherein A gas purging pipe (8) is arranged on the side of the recovery pipe (5).

6. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 1, wherein The distance between the dust recovery mechanism and the coarse dust removal mechanism is at least 1 m.

7. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 1, wherein The number of the coarse dust removal mechanisms is determined by the pipe diameter, the gas flow rate and the dust content of the tail gas pipeline (1).

8. A modular pipeline exhaust treatment and recovery unit for the fermentation industry as claimed in claim 1, wherein The end of the tail gas pipeline part one (11) is connected with the tail gas pipeline of the equipment through a flange (4), and the end of the tail gas pipeline part three (13) is connected with a heating and ventilation system or a workshop tail gas system.

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