Waste gas separation and recovery device and equipment provided with same

Abstract

The invention relates to the technical field of waste gas separation and recovery, in particular to a waste gas recovery device and equipment provided with the same. According to the waste gas recovery device and the equipment provided with the waste gas recovery device, spraying treatment, spraying treatment, waste gas separation and recovery and equipment improvement are sequentially carried out on soft materials to be treated in the first spraying chamber, the second spraying chamber and the third spraying chamber through the waste gas separation and recovery device, and the purposes of improving the equipment structure, improving the product quality, reducing the production cost and the like are achieved. The production efficiency is improved; and waste gas is separated and recycled in an environment-friendly manner.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas separation and recovery equipment, and in particular to a waste gas separation and recovery device and equipment provided with the device. Background Art

[0002] Many soft materials are the main raw materials for making leather clothes, gloves, shoes, hats, sofas and other products. The soft materials made from them are smooth, soft, strong and durable, so they are loved by the public. Especially for soft materials such as leather, a series of processing is not only complicated, but also produces a lot of exhaust gas and waste, which often affects the production and surrounding environment. If not handled properly, many direct and indirect problems will occur.

[0003] Chinese patent CN118253156A discloses a waste gas treatment device for leather processing, including a filter box, in which an impurity filtering mechanism and a water treatment filtering mechanism connected to one side of the filter box are installed. The structural design is unreasonable, which makes it difficult to recover the waste gas and has a poor effect.

[0004] Patent CN103201396A discloses a non-metallic tanning method for producing tanned leather materials, hides or skins by non-metallic tanning, wherein the non-metallic tanning method comprises the steps of tanning softened hides, skins or skins in a tanning bath with a tanning agent (A), wherein the tanning agent (A) is a dichlorodiazine containing a sulfonic group, selected from compounds of formula (I) or formula (II) or formula (III) and mixtures of two or more thereof, wherein R1 represents hydrogen, methyl, methoxy, benzoyl, naphthoyl R2-(SOM), represents a group of formula a) or b); R3 represents hydrogen, d-8-alkyl, d-alkoxy; m is 1 or 2; n is 1 or 2; and M represents hydrogen or an alkali metal cation or an ammonium cation, wherein the ammonium cation is a protonated tertiary amine or a quaternary ammonium cation; and the pH of the tanning bath at the beginning of the tanning step is 6-10. However, the above patents have the problems of excessive use of chemical products, serious pollution, great impact on the working environment of workers and low production efficiency.

[0005] Patent CN216614724U discloses a surface cleaning device for leather product production, including a cleaning box, a driving assembly, a cleaning assembly, a telescopic assembly, a fixing plate and a fixing assembly, wherein the upper end of the fixing assembly is arranged on the upper wall of the cleaning box, the driving assembly is arranged in the cleaning box, the fixing plate is arranged in the cleaning box, the lower end of the telescopic assembly is arranged on the fixing plate, the cleaning assembly is arranged at the upper end of the telescopic assembly, and the cleaning assembly is arranged at the lower end of the fixing assembly; the cleaning assembly includes a second magnetic component, a push rod, a cleaning fixing component, a cleaning component, a water storage cavity and an elastic layer, the cleaning fixing component is arranged at the upper end of the telescopic assembly, the water storage cavity is arranged in the cleaning fixing component, the elastic layer is arranged in the water storage cavity, the second magnetic component is arranged at both ends of the cleaning fixing component, the push rod is arranged at the cleaning fixing component, and the cleaning fixing component is arranged at the upper end of the telescopic assembly. On the side wall of the fixed part, the cleaning part is arranged on the upper wall of the cleaning fixed part, the upper wall of the cleaning fixed part is provided with a water outlet, and the cleaning part is connected with the water outlet; the soft material is arranged between the driving components, the driving components transmit the soft material, when the soft material needs to be cleaned, the fixed component moves down, so that the fixed component is arranged on the upper wall of the soft material, the push rod is pushed by external force, after the push rod moves up along the cleaning box, the magnetic part 2 is connected with the fixed component, the cleaning fixed part is fixed, the cleaning part is arranged on the lower wall of the soft material, the cleaning liquid is stored in the water storage cavity, as the soft material moves, the cleaning part cleans the soft material, the elastic layer moves up, squeezes the water in the water storage cavity, the cleaning liquid in the water storage cavity penetrates into the cleaning part through the water outlet, and the cleaning part cleans the lower wall of the soft material. However, the above patent has the problems of complex structure, unreasonable structure and low production efficiency.

[0006] In summary, the existing technology and the above-mentioned patents have unreasonable structures, cannot effectively separate, recycle and reuse waste gas and harmful substances, cannot guarantee product quality, and also have the problem of low production efficiency. Summary of the invention

[0007] In order to solve the technical problems existing in the above-mentioned prior art, the present invention provides a waste gas separation and recovery device and equipment equipped with the waste gas separation and recovery device, which achieves the purpose of waste gas recovery and improving product quality and production efficiency by separating and recovering the waste gas generated in the equipment and using physical methods of the equipment and process to separate and recover the generated waste gas and performing spraying and sandblasting on soft materials.

[0008] In order to achieve the above-mentioned purpose of the invention, the present invention provides a waste gas separation and recovery device, including a first box body and a second box body connected by a pipeline to separate and recover waste gas, the box body and the box cover of the first box body are tightly connected, the upper side of the box body is provided with a tightly connected air outlet pipe, the suction pump on the air outlet pipe sends the treated clean gas into the corresponding compression tank for recycling and reuse, the box body is respectively provided with a first filter plate made of glass fiber cloth material, a second filter plate made of non-woven fabric material and a third filter plate made of activated carbon material to filter the waste gas, the bottom of the first filter plate, the second filter plate and the third filter plate are provided with a support body and a base for fixing, the support body is provided with a sensor for wireless signal transmission with a control system, and the sensor monitors the internal gas quality data;

[0009] A motor is provided at the top center position of the second box body, and the shaft of the motor is a hollow structure and extends into the interior of the box body. A viscous adsorption liquid is injected into the lower part of the box body. The upper side of the box body is hollow and connected to the air intake duct of the exhaust fan. The exhaust duct of the exhaust fan is connected to the box body. A plurality of first and second stirring rods arranged vertically up and down are fixedly connected to the lower side of the shaft. The first stirring rod is set to a stepped structure with a thick inner and a thin outer structure and is immersed in the adsorption liquid to separate harmful substances in the exhaust gas. The box body is provided with a plurality of air distribution pipes connected to the air inlet pipe. The air distribution pipes are provided with a plurality of exhaust holes and all extend into the adsorption liquid.

[0010] Preferably, a plurality of spheres made of elastic material are provided on the upper side of each of the second stirring rods.

[0011] The present invention also provides an equipment provided with a waste gas separation and recovery device, comprising a control system, electrical components and a material supply device arranged in a control cabinet for mutual signal transmission, characterized in that an operator places a support frame provided with soft materials to be processed on a tooling frame of a conveying device, and operates the control system to respectively send the soft materials to be processed into a first spray chamber, a second spray chamber and a third spray chamber for spray processing according to the sequence and time processing requirements;

[0012] The first spray chamber is provided with a first upper spray group and a first lower spray group which are sealedly connected with the first pump group and the first material tank outside. The first upper spray group and the first lower spray group have the same structure and are respectively arranged on the upper and lower sides of the soft material to be processed. The soft material to be processed is fixedly connected to the support frame through a plurality of tensioning devices and is in a taut state. The first upper spray group and the first lower spray group are arranged relatively to each other on the upper and lower sides and are provided with an inclined angle with the soft material to be processed. The angle range of the inclined angle is 10° to 80°, 100° to 170°, 190° to 260° or 280° to 350° respectively.

[0013] The second spray chamber is provided with a second upper spray group and a second lower spray group which are respectively sealedly connected with the external second pump group and the second material tank, the second upper spray group and the second lower spray group have the same structure and are respectively arranged on the upper and lower sides of the soft material to be processed, the soft material to be processed is fixedly connected to the support frame through a plurality of tensioning devices and is in a relaxed state, the first upper spray group and the first lower spray group are mutually staggered in the upper and lower parts and are perpendicular to each other with the soft material to be processed for tanning, the lower side of the second spray chamber is provided with a second collecting tank, the second collecting tank is provided with a recovery pipe and a recovery pump to transport the filtered and precipitated material back to the second material tank;

[0014] The third spray chamber is provided with a third upper spray group which is sealedly connected with the third pump group, the third material tank and the fourth material tank outside. The third upper spray group is arranged on the upper side of the soft material to be processed, and the soft material to be processed is fixed on the work surface through a plurality of tensioning devices and is in a taut state. The third upper spray group is arranged to be perpendicular to the soft material to be processed. The lower side of the third spray chamber is provided with a third collecting tank, and the third collecting tank is provided with a recovery pipe and a recovery pump to collect the filtered and precipitated materials for environmental protection treatment;

[0015] The second box of the exhaust gas separation and recovery device is connected to the first collection tank, the second collection tank and the third collection tank through a plurality of air intake hoses.

[0016] The first box is connected to the gas compression tanks on the first pump group, the second pump group and the third pump group through a plurality of output hoses, so that the gas that meets the environmental protection requirements can be recycled and reused.

[0017] Preferably, the inclination angles are 45°, 135°, 225° or 315° respectively.

[0018] Preferably, the tensioning device includes an adjustment member arranged in the middle position and a chuck fixed and opened with one side of the soft material to be processed, the other side of the chuck is fixedly connected with a pull ring, one end of the adjustment member is provided with an internal threaded hole threadedly connected with the external thread on the hook rod, the other end of the adjustment member is provided with an internal threaded hole threadedly connected with the threaded rod of the threaded ring, the fixing ring is connected to the column on the support frame, the pulling hook is hooked on the threaded ring, and the hook is hooked on the pull ring. When the adjustment member is rotated clockwise or counterclockwise, it is used to tighten or relax the soft material to be processed.

[0019] Preferably, the support frame is a circular ring structure, and the periphery of the circular ring structure is provided with transverse and longitudinal connecting rods, and the connecting rods are arranged outside the soft material to be processed so that it can be in a suspended state.

[0020] Preferably, the air pump and the air storage tank in the first pump group provide compressed gas through the first air supply pipe. The first material tank stores round quartz sand particles and is connected to the first supply pipe. After the control system opens the valve of the first air supply pipe and the supply valve of the first supply pipe, high-compression gas and quartz sand are sprayed from the first injection head to perform sandblasting on the upper and lower sides of the soft material to be processed.

[0021] Preferably, the air pump and the air storage tank in the second pump group provide compressed gas through the second air supply pipe, the second material tank stores round quartz sand particles and is connected to the second supply pipe, the second upper injection group and the second lower injection group are staggered upper and lower, and after the control system opens the valve of the second air supply pipe and the supply valve of the second supply pipe, high-pressure compressed gas and quartz sand are sprayed from the second injection head to perform tanning process on the soft material to be processed.

[0022] Preferably, the air pump and the air storage tank in the third pump group provide compressed gas through the third air supply pipe, the third material tank stores round quartz sand and is connected to the third supply pipe, the fourth material tank stores adhesive and is connected to the fourth supply pipe provided with a valve, after the control system opens the gas valve of the third air supply pipe, the supply valves of the third supply pipe and the fourth supply pipe, the compressed gas carrying a mixture of quartz sand and adhesive is sprayed out from the third injection head to form at least one adhesive layer with sand on the soft material to be processed on the work surface, the control system turns on the heating device to heat the adhesive layer to form a solidified layer to form a shell, and after the operator removes the solidified shell, it is cleaned with clean water for more than 30 minutes to obtain a qualified clean soft material.

[0023] Preferably, the work surface is provided with a plurality of through holes.

[0024] The beneficial effects of this application are as follows:

[0025] 1. The waste gas separation and recovery device and equipment provided by the present invention can obtain soft leather materials that are cleaner and more resilient;

[0026] 2. The bottom of the equipment of the present invention is provided with a collecting tank and a waste gas separation and recovery device, which can recycle the waste gas and filtered and precipitated materials, save raw materials, and be more environmentally friendly;

[0027] 3. The physical tanning method and the spraying and sand blowing treatment of the soft material in the present invention have simpler processes and higher production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention.

[0029] Figure 1 The overall structure diagram of the waste gas separation and recovery device provided by the present invention;

[0030] Figure 2 for Figure 1 Internal structure diagram;

[0031] Figure 3 This is the overall structural diagram of the leather making equipment equipped with a waste gas separation and recovery device;

[0032] Figure 4 for Figure 3 Internal spraying working structure diagram of the first spray room;

[0033] Figure 5 for Figure 4 Structural diagram of the middle tensioning device;

[0034] Figure 6 for Figure 3 The structure diagram of the spray group inside the second spray chamber;

[0035] Figure 7 for Figure 3 Structural diagram of the spray group inside the third spray chamber.

[0036] Reference numerals

[0037] In the figure, A-first box, A1-top cover, A2-air suction pump, A3-air outlet pipe, A4-box body, A5-support body, A6-sensor, A7-base, A8-first filter plate, A9-second filter plate, A10-third filter plate; B-second box, B1-exhaust fan, B2-motor, B3-intake pipe, B4-box, B5-gas distributor, B6-first stirring rod, B7-step structure, B8-rotating shaft, B9-elastic sphere, B10-second stirring rod; C-output hose; D-intake hose; 1-conveying device; 2-tooling frame; 3-control cabinet; 4-soft material; 5-tensioning device, 51-chuck, 52-pull ring, 53-bend hook, 54-adjusting member, 55-threaded rod, 56-threaded ring, 57-pulling hook, 58-fixing ring; 6-connecting rod; 7- -support frame; 8-work table; 9-heating plate; 10-first pump group, 11-first material tank, 12-first spray chamber, 121-first feed pipe, 122-first air supply pipe, 123-first injection head, 124-first upper injection group, 125-first lower injection group; 13-first collecting tank; 20-second pump group, 21-second material tank, 22-second spray chamber, 221-second feed pipe, 222-second air supply pipe, 223-second injection head, 224-second upper injection group, 225-second lower injection group; 23-second collecting tank; 30-third pump group, 31-third material tank, 32-third spray chamber, 321-third feed pipe, 322-third air supply pipe, 323-third injection head, 324-fourth feed pipe; 33-third collecting tank, 34-fourth material tank.

[0038] Among them, the gas selected in this application is carbon dioxide gas. Since carbon dioxide gas has a large specific gravity and is easy to recycle, and its chemical properties are stable and not prone to oxidation reactions, it is more conducive to ensuring that the product remains stable during the production process. DETAILED DESCRIPTION

[0039] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0040] Example 1

[0041] like Figure 1-2As shown, a waste gas separation and recovery device provided in this embodiment includes a first box body A and a second box body B connected to each other through a pipeline of an exhaust fan B1, a box body A4 of the first box body A and a box cover A1 are tightly connected, the first box body A and the second box body B are made of hard plastic material or stainless steel material, an air outlet pipe A3 tightly connected to the inside is provided on the upper side of the box body A4, an air suction pump A2 is provided on the air outlet pipe A3 to send clean gas into a compression tank for recycling, and two first filter plates A8 made of glass fiber cloth material, a second filter plate A9 made of non-woven fabric material and a third filter plate A10 made of activated carbon are respectively provided in the box body A4 to filter the waste gas. The filtering plays a role in blocking solid particles. The bottoms of the first filter plate A8, the second filter plate A9 and the third filter plate A10 are provided with a support body A5 and a base A7 for fixing, which plays a role in ensuring that the first filter plate A8, the second filter plate A9 and the third filter plate A10 will not tilt during exhaust gas filtering. The support body A5 is provided with a sensor A6 for wireless signal transmission with the control system, and the sensor A6 monitors the internal gas quality data; wherein, a motor B2 is provided at the top center of the second box body B, and the shaft B8 of the motor B2 extends into the interior of the box body B4, and a viscous adsorption liquid is injected into the lower side of the box body B4. In this embodiment, the selected adsorption liquid The attached liquid is a diluted sodium silicate liquid (commonly known as water glass liquid) or a heated starch dilution liquid, which plays a role in absorbing harmful gases and solid particles in the exhaust gas. The upper side of the box body B4 is hollow and connected to the suction duct of the exhaust fan B1. The hollow position of the upper side of the box body B4 is about one-third. The exhaust duct of the exhaust fan B1 is connected to the box body A4. A plurality of first stirring rods B6 and second stirring rods B10 arranged vertically in the upper and lower directions are fixedly connected to the lower side of the shaft B8. The height of the first stirring rod B6 and the second stirring rod B10 is set at two-thirds of the box body A4. The upper side of each second stirring rod B10 is provided with a plurality of elastic material. The sphere B9 is made of silicone rubber as its elastic material. When the shaft B8 rotates, the elastic sphere B9 plays a role of flexible stirring, which allows the adsorption liquid to have multiple rotation speeds at the same time to improve the adsorption effect. The first stirring rod B6 is a stepped structure with a thick inner and a thin outer structure. Similarly, when the shaft B8 rotates, the first stirring rod B6 with the stepped structure plays a role of allowing the first stirring rod B6 to produce different stirring forces on the adsorption liquid, thereby improving the adsorption effect of the adsorption liquid. The box body B4 is provided with an air distributor B5 connected to the air inlet pipe B3 around it. The air distributor B5 is provided with a number of exhaust holes that extend into the adsorption liquid, thereby evenly introducing the exhaust gas into the adsorption liquid to improve the adsorption effect.

[0042] Example 2

[0043] like Figure 3-5As shown, the present embodiment provides a device provided with a waste gas separation and recovery device, including a control system, an electrical component, a material supply device and a waste gas separation and recovery device arranged in a control cabinet 3 for mutual signal transmission. In the present embodiment, the soft material 4 is selected from natural leather as a practical reference. The operator places the support frame 7 provided with the soft material 4 to be processed on the tooling frame 2 of the conveying device 1, and operates the control system to respectively send the soft material 4 to be processed into the first spray chamber 12, the second spray chamber 22 and the third spray chamber 3 according to the sequence and time processing requirements. 2 for spraying treatment; wherein the first spray chamber 12 is provided with a first upper spray group 124 and a first lower spray group 125 which are sealedly connected with the first pump group 10 and the first material tank 11 outside, the first upper spray group 124 and the first lower spray group 125 have the same structure and are respectively arranged on the upper and lower sides of the soft material 4 to be processed, wherein the first feed pipe 121 is connected with the first material tank 11, the first air supply pipe 122 is connected with the pipeline of the first pump group 10 and the air storage tank, and the first upper spray group 124 and the first lower spray group 125 are both provided with a first spray head 123. The soft material 4 to be processed is fixedly connected to the support frame 7 through a plurality of tensioning devices 5 and is in a taut state. The first upper spray group 124 and the first lower spray group 125 are arranged relatively to each other and are provided with an inclined angle with the soft material 4 to be processed. The angle range of the inclined angle is 10° to 80°, 100° to 170°, 190° to 260° or 280° to 350°. In this embodiment, the most preferred angles of the inclined angles are respectively set to: 45°, 135°, 225° or 315°. Since the spraying process is performed at a 45-degree angle, the impurities and dirt attached to the soft material 4 to be processed in a taut state are subjected to the greatest impact force, which plays a more thorough role in removing the impurities and dirt, and the obtained soft material 4 is cleaner.

[0044] In this embodiment, Figure 3 As shown, the second box body B of the exhaust gas separation and recovery device is connected to the first collection tank 13, the second collection tank 23 and the third collection tank 33 through a number of air intake hoses D, and the first box body A is connected to the gas compression tanks on the first pump group 10, the second pump group 20 and the third pump group 30 through a number of output hoses C to recycle and reuse the gas that meets environmental protection requirements.

[0045] In this embodiment, Figure 5As shown, the tensioning device 5 includes an adjusting member 54 arranged in the middle position and a clamp 51 fixed and opened with one side of the soft material 4 to be processed. The adjusting member 54 is a hollow rectangular structure. In order to prevent rust, all parts of the tensioning device 5 are made of stainless steel. The other side of the clamp 51 is fixedly connected with a pull ring 52. One end of the adjusting member 54 is provided with an internal threaded hole that is threadedly connected with the external thread on the hook rod of the hook 53. The other end of the adjusting member 54 is provided with an internal threaded hole that is threadedly connected with the threaded rod 55 of the threaded ring 56. The fixing ring 58 is connected to the column on the support frame 7, the pulling hook 57 is hooked on the threaded ring 56, and the hook 53 is hooked on the pull ring 52. When the adjusting member 54 is rotated clockwise or counterclockwise, it is used to make the soft material 4 to be processed tight or relaxed. In order to facilitate installation and operation, the support frame 7 is selected to be a stainless steel ring structure. In order to prevent the ring structure support frame 7 from being deformed when the tensioning device 5 and the soft material 4 to be processed are installed and affect the state of the soft material 4 to be processed, transverse and longitudinal connecting rods 6 are provided around the ring structure. The connecting rods 6 are arranged on the outside of the soft material 4 to be processed so that it can be in a suspended state, which not only prevents the support frame 7 from being deformed, but also allows the soft material 4 to be completely sprayed.

[0046] In this embodiment, Figure 3 and 6 As shown, the second spray chamber 22 is provided with a second upper spray group 224 and a second lower spray group 225 which are respectively sealedly connected to the external second pump group 20 and the second material tank 21. The second upper spray group 224 and the second lower spray group 225 have the same structure and are respectively arranged on the upper and lower sides of the soft material 4 to be processed. The second upper spray group 224 and the second lower spray group 225 are both provided with a second spray head 223. The soft material 4 to be processed is fixedly connected to the support frame 7 through a plurality of tensioning devices 5 to make it in a relaxed state. The first upper spray group 124 and the first lower spray group 125 are mutually staggered in the upper and lower parts and are perpendicular to each other with the soft material 4 to be processed for tanning. In order to save energy, protect the environment, and facilitate recycling and reuse, a second collecting tank 23 is provided at the lower side of the second spray chamber 22. A recovery pipe and a recovery pump are provided in the second collecting tank 23 to transport the filtered and precipitated materials back to the second material tank 21.

[0047] In this embodiment, Figure 3 and 7As shown, the third spray chamber 32 is provided with a third upper injection group which is airtightly connected to the external third pump group 30, the third material tank 31 and the fourth material tank 34. The third material tank 31 stores round quartz sand particles, and the binder stored in the fourth material tank 34 is sodium silicate, commonly known as "water glass". The third upper injection group is arranged on the upper side of the soft material 4 to be treated, and the soft material 4 to be treated is fixed on the work surface 8 through a plurality of tensioning devices 5 and is in a taut state. The third air supply pipe 322, the third feed pipe 321 and the fourth feed pipe 324 are connected at the converging end position so that the third injection head 323 can spray out the mixed material. The third upper injection group is arranged to be perpendicular to the soft material 4 to be treated. The third collecting tank 33 is provided at the lower side of the third spray chamber 32. The third collecting tank 33 is provided with a recovery pipe and a recovery pump to collect the filtered and precipitated materials for environmental protection treatment, thereby playing a role in environmental protection and energy saving.

[0048] Among them, the air pump and air storage tank in the first pump group 10 provide compressed gas through the first air supply pipe 122, the first material tank 11 stores round quartz sand particles and is connected to the first supply pipe 121, and after the control system opens the valve of the first air supply pipe 122 and the supply valve of the first supply pipe 121, high-pressure gas and quartz sand are sprayed from the first injection head 123 to perform sandblasting on the upper and lower sides of the soft material 4 to be processed.

[0049] Among them, the air pump and air storage tank in the second pump group 20 provide compressed gas through the second air supply pipe 222, the second material tank 21 stores round quartz sand particles and is connected to the second supply pipe 221, the second upper injection group 224 and the second lower injection group 225 are staggered upper and lower, and after the control system opens the valve of the second air supply pipe 222 and the supply valve of the second supply pipe 221, high-pressure gas and quartz sand are sprayed from the second injection head 223 to perform tanning process on the soft material 4 to be processed.

[0050] like Figure 3 and 7 As shown, the air pump and the air storage tank in the third pump group 30 provide compressed gas through the third air supply pipe 322, the third material tank 21 stores round quartz sand and is connected to the third supply pipe 321, the fourth material tank 34 stores the adhesive and is connected to the fourth supply pipe 324 provided with a valve, after the control system opens the gas valve of the third air supply pipe 322, the supply valves of the third supply pipe 321 and the fourth supply pipe 324, the compressed gas carries the mixture of quartz sand and the adhesive and is sprayed out from the third injection head 323, and forms at least one adhesive layer with sand on the to-be-processed soft material 4 on the work surface 8, the control system turns on the heating device 9 to heat the adhesive layer to form a solidified layer to form a shell, and after the operator removes the solidified shell, it is cleaned with clean water for more than 30 minutes to obtain a qualified clean soft material 4.

[0051] In order to allow the heat in the heating device 9 to uniformly and quickly solidify the adhesive layer to form a shell, a plurality of through holes are provided on the work surface 8.

[0052] like Figure 1-7 As shown, this embodiment also provides a method for using an apparatus provided with an exhaust gas separation and recovery device, comprising the following steps:

[0053] In this embodiment, the soft material 4 is made of rawhide of cattle, sheep or pig as a practical example and is described in detail as follows:

[0054] Step 1: Pretreatment step, the operator immerses the untreated raw hide in a fresh water pool for more than 2 hours to release the internal sewage, then takes out the soaked raw hide, and performs depilation after low-temperature drying at 60°C to 70°C to obtain a depilated soft material, and sprays an enzyme treatment liquid on the surface of the depilated soft material, wherein the enzyme treatment liquid is a mixture of 40U / g lipase JZ, 20U / g protease JRH and 4U / g saccharifying enzyme TH to obtain a degreased soft material;

[0055] Step 2: Softening Step

[0056] 100 parts of casein are added into a reaction tank to be dissolved and heated to 80°C, and then 10 parts of borax are added and stirred until the casein is completely dissolved, and then coated on the surface of the defatted rawhide, and allowed to stand for more than 10 minutes, and then the defatted rawhide is washed with pure water for more than 2 times, and the washed rawhide is immersed in a mixed acid solution, which is a mixed solution of 40% sulfone acid polymer and 0.4% formic acid, mixed in a volume ratio of 1:0.5, and the total volume ratio of the mixed acid solution to the defatted rawhide is 1:0.6, and the rawhide after acid immersion is kept for more than 120 minutes, and then the treated rawhide is sprayed with trypsin at 30°C for 30 minutes, and then the pH value is adjusted to 8.5 by adding NaOH, and the softening time is more than 5 hours to obtain the softened rawhide to be treated;

[0057] Step 3: First processing step

[0058] The operator opens the clamps 51 one by one to clamp and fix the four sides of the raw hide to be processed, then puts the fixing ring 58 on the column of the support frame 7 and fixes it, rotates the adjustment member 54 clockwise to move it toward the middle to tighten the raw hide to be processed into a taut state, and after the four sides of the raw hide to be processed are tightened, the support frame 7 with the raw hide to be processed 4 in a taut state is placed on the tooling frame 2 and fixed; turns on the equipment switch, and the conveying device 1 starts to deliver the raw hide to be processed 4 to the middle position in the first spray chamber 12, and turns on the valve switches on the first upper spray group 124 and the first lower spray group 125. The high-pressure compressed gas is ejected and carries the quartz sand in the first material tank 11 to perform sandblasting on the rawhide 4 to be processed. The injection pressure range of the material ejected by the first injection head 123 is 6-8 MPa. The conveying device 1 moves the soft material 4 to be processed back and forth between the first upper injection group 124 and the first lower injection group 125 at a uniform speed. The reciprocating frequency is 2 times / minute. The sandblasting time is 5-10 minutes. After the sandblasting time is reached, the control system is operated to allow the conveying device 1 to deliver the soft rawhide that has been sandblasted to obtain the processed rawhide material after initial sandblasting.

[0059] Step 4: Second processing step

[0060] The operator adjusts the obtained primary sandblasted soft leather 4 at the front end of the second spray chamber 12, rotates the adjustment member 54 counterclockwise to move it to both ends, so that the primary sandblasted soft leather 4 is in a relaxed drooping state, turns on the equipment switch, and the conveying device 1 delivers the primary sandblasted soft leather 4 to the middle position in the second spray chamber 22, opens the valves of the second upper spray group 224 and the second lower spray group 225, and the high-pressure gas is ejected to carry the quartz sand in the second material tank 21 to perform sandblasting tanning on the primary sandblasted soft leather 4, and the second spray head 223 sprays the material. The spray pressure range is 8-10 MPa. At this time, the second upper spray group 224 and the second lower spray group 225, which are staggered at the upper and lower positions, will make the initially sandblasted soft rawhide 4 form a wave-breaking shape with different heights at the upper and lower positions for tanning treatment. The conveying device 1 will make the initially sandblasted soft rawhide 4 move back and forth at a uniform speed between the second upper spray group 224 and the second lower spray group 225. The reciprocating frequency is 1 time / minute, and the treatment time range is 20-30 minutes. After the sandblasting treatment time is reached, the conveying device 1 will send out the soft rawhide 4 that has completed the tanning and sandblasting treatment to obtain soft rawhide;

[0061] In this embodiment, in order to speed up the tanning frequency and improve the tanning quality of the tanned rawhide, the second lower jet group 225 works at intervals. After an interval of 5 seconds, the control system closes the valve of the second lower jet group 225 to allow the initially sandblasted soft rawhide 4 to sag under the action of gravity. After another interval of 5 seconds, the control system opens the valve of the second lower jet group 225 to allow the initially sandblasted soft rawhide 4 to be pushed up. This cycle lasts for 15 minutes, thereby increasing the frequency of tanning the soft rawhide and improving the quality of the tanned soft rawhide 4.

[0062] Step 5: Third processing step

[0063] After the operator takes the obtained soft soft leather 4 from the front end of the third spray chamber 32, it is placed on the circular work table 8, and the clamps 51 are opened one by one to clamp the four sides of the soft soft leather 4, and then the fixing ring 58 is firmly fixed to the column of the work table 8, and the equipment switch is turned on, and the work table 8 with the fixed soft soft leather 4 is sent to the middle position in the third spray chamber 22 by using the conveying device 1, and the heating plate 9 on the lower side of the work table 8 is turned on for preheating, and the preheating temperature is 70°C to 90° to facilitate the curing of the adhesive and the sand particles, and the valve switches of the third gas supply pipe 322, the third material supply pipe 321 and the fourth material supply pipe 324 are turned on, and the control system sends the compressed gas, the circular quartz sand particles stored in the third material tank 21 and the fourth material tank 34 to the third material tank 21. The internal binder is uniformly sprayed onto the surface of the soft soft leather 4 to form a mixture layer, and the compressed gas sprays the quartz sand and the binder from the third spray head 323 to form a crust layer with more than one layer of sand grains on the soft leather 4 to be processed on the work surface 8. The compressed gas increases the surface area of ​​the sand grains and fully bonds the binder. The conveying device 1 makes the soft leather 4 with a layer of shells move back and forth at a uniform speed under the multiple third spray heads 323, with a reciprocating frequency of 1 time / minute and a time range of 3 to 5 minutes. After the required crust thickness is reached, the conveying device 1 delivers the soft leather 4 with shells, and the operator removes the solid shells and then washes with clean water for more than 30 minutes to obtain a clean soft leather 4.

[0064] Step 6: Turn over the cleaned soft leather 4 and repeat the processing steps in step 5. After obtaining the qualified clean soft leather 4, move it to the storage warehouse and hang it for air drying at room temperature. Since the gravity of the shell presses on the soft leather 4, the shell increases the density of the soft leather 4, which improves the quality of the soft leather 4.

[0065] Step 7: During the operation, the operator uses the control system in the control cabinet 3 for signal transmission to open the valves of several output hoses on the first box A, and recycles the clean carbon dioxide gas into the gas compression tanks on the first pump group 10, the second pump group 20 and the third pump group 30 for further recycling, thereby achieving the purpose of energy saving and environmental protection.

[0066] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0067] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A waste gas separation and recovery device, comprising a first box (A) and a second box (B) connected by a pipeline for separating and recovering waste gas, wherein the box body (A4) and the box cover (A1) of the first box (A) are sealed and connected, characterized in that: A sealed air outlet pipe (A3) is provided on the upper side of the box body (A4), and an air suction pump (A2) on the air outlet pipe (A3) delivers the treated clean gas into a corresponding compression tank for recycling and reuse. A first filter plate (A8) made of glass fiber cloth material, a second filter plate (A9) made of non-woven fabric material, and a third filter plate (A10) made of activated carbon material are respectively provided in the box body (A4) to filter the exhaust gas. A support body (A5) and a base (A7) are provided at the bottom of the first filter plate (A8), the second filter plate (A9), and the third filter plate (A10) for fixing. A sensor (A6) for wireless signal transmission with a control system is provided on the support body (A5), and the sensor (A6) monitors the internal gas quality data. A motor (B2) is provided at the top center of the second housing (B), the shaft (B8) of the motor (B2) is a hollow structure and extends into the housing (B4), a viscous adsorption liquid is injected into the lower part of the housing (B4), the upper side of the housing (B4) is hollow and connected to the air intake duct of the exhaust fan (B1), the exhaust duct of the exhaust fan (B1) is connected to the housing body (A4), a plurality of first stirring rods (B6) and second stirring rods (B10) arranged vertically in the upper and lower directions are fixedly connected to the lower side of the shaft (B8), the first stirring rod (B6) is set to a stepped structure with a thick inner part and a thin outer part and is immersed in the adsorption liquid to separate harmful substances in the exhaust gas, the housing (B4) is provided with a plurality of air distribution pipes (B5) connected to the air inlet pipe (B3), a plurality of exhaust holes are provided on the air distribution pipes (B5) and all extend into the adsorption liquid.

2. The waste gas separation and recovery device according to claim 1, characterized in that: A plurality of balls (B9) made of elastic material are arranged on the upper side of each of the second stirring rods (B10).

3. An apparatus provided with the waste gas separation and recovery device as claimed in claim 1 or 2, comprising a control system, electrical components, a material supply device and a waste gas separation and recovery device arranged in a control cabinet (3) for mutual signal transmission, characterized in that: An operator places a support frame (7) provided with the soft material (4) to be processed on a tooling frame (2) of a conveying device (1), and operates a control system to respectively send the soft material (4) to be processed into a first spray chamber (12), a second spray chamber (22) and a third spray chamber (32) for spraying and injection processing according to a sequence and time processing requirement; The first spray chamber (12) is provided with a first upper spray group (124) and a first lower spray group (125) which are hermetically connected to the external first pump group (10) and the first material tank (11); the first upper spray group (124) and the first lower spray group (125) have the same structure and are respectively arranged on the upper and lower sides of the soft material (4) to be processed; the soft material (4) to be processed is fixedly connected to the support frame (7) through a plurality of tensioning devices (5) and is in a tensioned state; the first upper spray group (124) and the first lower spray group (125) are arranged opposite to each other in the upper and lower directions and an inclined angle is provided between them and the soft material (4) to be processed; the angle range of the inclined angle is 10° to 80°, 100° to 170°, 190° to 260°, or 280° to 350°; The second spray chamber (22) is provided with a second upper spray group (224) and a second lower spray group (225) which are respectively sealedly connected to the external second pump group (20) and the second material tank (21); the second upper spray group (224) and the second lower spray group (225) have the same structure and are respectively arranged on the upper and lower sides of the soft material (4) to be processed; the soft material (4) to be processed is fixedly connected to the support frame (7) through a plurality of tensioning devices (5) and is in a relaxed state; the first upper spray group (124) and the first lower spray group (125) are mutually staggered in the upper and lower directions and are perpendicular to each other with respect to the soft material (4) to be processed for tanning; the lower side of the second spray chamber (22) is provided with a second collecting tank (23); the second collecting tank (23) is provided with a recovery pipe and a recovery pump to transport the filtered and precipitated material back to the second material tank (21); The third spray chamber (32) is provided with a third upper spray group which is sealedly connected to an external third pump group (30), a third material tank (31) and a fourth material tank (34); the third upper spray group is arranged on the upper side of the soft material to be processed (4); and the soft material to be processed (4) is fixed on the work surface (8) through a plurality of tensioning devices (5) and is in a taut state; the third upper spray group is arranged to be perpendicular to the soft material to be processed (4); a third collecting tank (33) is provided on the lower side of the third spray chamber (32); a recovery pipe and a recovery pump are provided in the third collecting tank (33) to recover and collect the filtered gas for environmental protection treatment; The second box (B) of the waste gas separation and recovery device is connected to the first collection tank (13), the second collection tank (23) and the third collection tank (33) respectively through a plurality of air intake hoses (D). The first box (A) is connected to the gas compression tanks on the first pump group (10), the second pump group (20) and the third pump group (30) respectively through a plurality of output hoses (C), so as to recycle and reuse the separated gas that meets environmental protection requirements.

4. The equipment provided with the waste gas separation and recovery device as claimed in claim 3, characterized in that: The inclination angle is 45°, 135°, 225° or 315°.

5. The equipment provided with the waste gas separation and recovery device as claimed in claim 3, characterized in that: The tensioning device (5) comprises an adjusting member (54) arranged at a middle position and a clamp (51) for fixing and opening one side of the soft material (4) to be processed, the other side of the clamp (51) is fixedly connected to a pull ring (52), one end of the adjusting member (54) is provided with an internal threaded hole which is threadedly connected to the external thread on the hook rod of the curved hook (53), the other end of the adjusting member (54) is provided with an internal threaded hole which is threadedly connected to the threaded rod (55) of the threaded ring (56), the fixing ring (58) is connected to the column on the support frame (7), the pulling hook (57) is hooked on the threaded ring (56), and the curved hook (53) is hooked on the pull ring (52), when the adjusting member (54) is rotated clockwise or counterclockwise, it is used to make the soft material (4) to be processed tight or relaxed.

6. The equipment provided with the waste gas separation and recovery device as claimed in claim 5, characterized in that: The support frame (7) is a circular ring structure, and the periphery of the circular ring structure is provided with transverse and longitudinal connecting rods (6). The connecting rods (6) are arranged outside the soft material (4) to be processed so that it can be in a suspended state.

7. The equipment provided with the waste gas separation and recovery device as claimed in claim 3, characterized in that: The air pump and the air storage tank in the first pump group (10) provide compressed gas through the first air supply pipe (122). The first material tank (11) stores round quartz sand particles and is connected to the first supply pipe (121). After the control system opens the valve of the first air supply pipe (122) and the supply valve of the first supply pipe (121), high-compressed gas and quartz sand are sprayed from the first injection head (123) to perform sandblasting on the upper and lower sides of the soft material (4) to be processed.

8. The equipment provided with the waste gas separation and recovery device as claimed in claim 3, characterized in that: The air pump and air storage tank in the second pump group (20) provide compressed gas through the second air supply pipe (222). The second material tank (21) stores round quartz sand particles and is connected to the second supply pipe (221). The second upper injection group (224) and the second lower injection group (225) are staggered at the top and bottom. After the control system opens the valve of the second air supply pipe (222) and the supply valve of the second supply pipe (221), high-pressure compressed gas and quartz sand are sprayed from the second injection head (223) to treat the soft material (4) to be processed by the tanning process.

9. The equipment provided with the waste gas separation and recovery device as claimed in claim 3, characterized in that: The air pump and the air storage tank in the third pump group (30) provide compressed gas through the third air supply pipe (322). The third material tank (21) stores circular quartz sand particles and is connected to the third supply pipe (321). The fourth material tank (34) stores adhesive and is connected to the fourth supply pipe (324) provided with a valve. After the control system opens the gas valve of the third supply pipe (322), the supply valves of the third supply pipe (321) and the fourth supply pipe (324), the compressed gas carrying the mixture of quartz sand and adhesive is sprayed out from the third injection head (323), forming at least one adhesive layer with sand particles on the soft material (4) to be processed on the work surface (8). The control system turns on the heating device (9) to heat the adhesive layer to form a solidified layer to form a shell. After the operator removes the solidified shell, it is washed with clean water for more than 30 minutes to obtain a qualified clean soft material (4).

10. The equipment provided with the waste gas separation and recovery device as claimed in claim 9, characterized in that: The work surface (8) is provided with a plurality of through holes.

Images